CN112201119A - English education is with auxiliary assembly who backs word - Google Patents
English education is with auxiliary assembly who backs word Download PDFInfo
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- CN112201119A CN112201119A CN202011252914.9A CN202011252914A CN112201119A CN 112201119 A CN112201119 A CN 112201119A CN 202011252914 A CN202011252914 A CN 202011252914A CN 112201119 A CN112201119 A CN 112201119A
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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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Abstract
The invention discloses auxiliary equipment for English education word carrying, which comprises a supporting control box, a folding containing box, a slide position plate, a height adjusting device, an operating plate and an auxiliary memory device, wherein the upper side of the supporting control box is open, a slide position groove is formed in one side wall of the supporting control box, the folding containing box is arranged on one side of the supporting control box, the front side of the folding containing box is open, the slide position plate is arranged on one side of the folding containing box, a second slide position groove is formed in one side of the slide position plate, which corresponds to the supporting control box, the height adjusting device is arranged in the supporting control box, a slide position block is arranged in the second slide position groove in a sliding mode, a connecting rod is arranged on the slide position block, the operating plate is arranged on the connecting rod, a second connecting rod is arranged on one side of the operating plate, the second connecting rod is connected. The invention relates to the technical field of teaching equipment, in particular to auxiliary equipment which can synchronously shield dictation and can adjust the back words for English education in the whole height.
Description
Technical Field
The invention relates to the technical field of teaching equipment, in particular to auxiliary equipment for word-back for English education.
Background
Along with the acceleration of globalization process, more and more people begin to learn international universal language, have gained extensive attention as the most common english in the universal language, and the demand to english in various trades is constantly increaseed, and english education is more and more important, and the grasp to the word in english education is the basis of learning grammar and proficient application english.
The most effective method for carrying out word learning is to carry out handwriting memory according to the paraphrase of the word, most of the existing English education word learning equipment cannot synchronously provide the dictation function, usually, a default writing book needs to be prepared additionally, most of the existing equipment cannot adjust the overall height of the equipment according to the specific reading requirement of a user, and the flexibility is poor.
Disclosure of Invention
Aiming at the situation, in order to overcome the current technical defects, the invention provides the auxiliary equipment which can synchronously shield the dictation and can adjust the back words for the English education with the whole height.
The technical scheme adopted by the invention is as follows: the invention relates to auxiliary equipment for word-back for English education, which comprises a supporting control box, a folding storage box, a slide plate, a height adjusting device, an operating panel and an auxiliary memory device, the upper side of the supporting control box is provided with an opening, one side wall of the supporting control box is provided with a slide groove, the folding containing box is arranged on one side of the supporting control box, the front side of the folding containing box is provided with an opening, the slide plate is arranged on one side of the folding containing box, one side of the slide plate corresponding to the supporting control box is provided with a second slide groove, the height adjusting device is arranged in the supporting control box, a slide block is arranged in the second slide groove in a sliding way, the slide block is provided with a connecting rod, the operating plate is arranged on the connecting rod, one side of the operating plate is provided with a second connecting rod, the second connecting rod is connected with the height adjusting device, and the auxiliary memory device is arranged on the operating panel;
the auxiliary memory device comprises a first knob, a screw rod, a fixed block, a thread block, a placing frame, a baffle plate, a dictation plate and a dictation clamping component, wherein the fixed block comprises a first fixed block and a second fixed block, the first fixed block is arranged on one side of the operating plate, the second fixed block is arranged on one side of the operating plate and is positioned behind the first fixed block, the screw rod is rotatably arranged on the second fixed block, one end of the screw rod penetrates through the first fixed block, the first knob is arranged at one end of the screw rod, the thread block is arranged on the screw rod through threaded connection, the placing frame is arranged on one side of the thread block, the baffle plate is arranged at the upper end and the lower end of the placing frame, the dictation plate is arranged at the upper end of the placing frame, the dictation clamping component is arranged on the dictation plate, and the dictation clamping component comprises a supporting seat, The support seat comprises a first support seat and a second support seat, the first support seat is arranged on the dictation plate, the second support seat is arranged on the dictation plate and positioned above the first support seat, the rotating rod is rotatably arranged on the second support seat, one end of the rotating rod penetrates through the first support seat, the second knob is arranged at one end of the rotating rod penetrating through the first support seat, the driving wheel is arranged on the rotating rod, the fixing seat comprises a first fixing seat and a second fixing seat, the first fixing seat is arranged on one side of the first fixing seat on the dictation plate, the second fixing seat is arranged on the dictation plate and positioned above the first fixing seat, two ends of the rotating rod are respectively rotatably arranged on the first fixing seat and the second fixing seat, the clamping rod is arranged on the rotating rod, one end of the clamping rod is provided with an incomplete gear, and the incomplete gear is meshed with the driving wheel, the telescopic spring is arranged on the dictation plate, one end of the telescopic spring is connected with the clamping rod, when the dictation plate is used specifically, a word card to be recited is fixed on the operation plate, the dictation paper is placed on the dictation plate and fixed through the dictation clamping component, the words are recited line by line, the first knob is rotated in the process, and the shielding plate is controlled to shield the words from top to bottom for dictation;
the height adjusting device comprises a third knob, a driving shaft, a first bevel gear, a worm wheel, a second bevel gear, a driven rotating shaft, a slide part, a sliding block and a transmission gear, wherein a through hole is formed in the front wall of the supporting control box, a sleeve is arranged in the through hole in a rotating manner, the driving shaft is arranged at one end of the sleeve in the supporting control box, the front end of the sleeve is arranged at the front end of the third knob, the first bevel gear is arranged on the driving shaft, the two ends of the driven rotating shaft are respectively and rotatably arranged on the front wall and the rear wall of the supporting control box, the worm is rotatably arranged on the bottom wall of the supporting control box, the second bevel gear is arranged at the lower side of the worm, the second bevel gear is meshed with the first bevel gear, the worm wheel is arranged on the driven rotating shaft and is meshed with the worm, the transmission gear is, the slider slides and locates in the slip recess, slider one side is equipped with the spur rack, spur rack and drive gear meshing, slider upper end and second connecting rod fixed connection, during the concrete use, rotating third knob, third knob drive sleeve, driving shaft and first conical gear rotate, and first conical gear meshing drives second conical gear and worm and rotates, and the worm meshing drives worm wheel, driven spindle and drive gear and rotates, and drive gear meshing drives the vertical direction motion of spur rack and slider, and the slider passes through the second connecting rod and drives the ascending of operation panel to the adjustment is to being fit for individual reading height.
Furthermore, the aperture of the through hole is smaller than the diameters of the front end face and the rear end face of the sleeve.
Furthermore, an observation groove is formed in the shielding plate, a telescopic plate is arranged in the observation groove in a sliding mode, and when a user shields a word after the word is written silently, the telescopic plate can be pulled to check whether the word is correct or incorrect.
Further, be equipped with reading board folding assembly in folding containing box diapire one side, reading board folding assembly includes fixed plate, threaded rod, nut piece, first hinge bar, second hinge bar and bears the weight of the seat, bear the weight of the seat and locate on the folding containing box diapire, first hinge bar articulates and locates one side on bearing the weight of the seat, folding containing box roof front side is located to the fixed plate, the threaded rod rotates and locates on the folding containing box back wall and the front end runs through the fixed plate, the threaded rod runs through fixed plate one end and is equipped with the spiral piece, the nut piece is located on the threaded rod through threaded connection, the second hinge bar articulates and locates on the nut piece and one end and first hinge bar middle part are articulated to be connected.
Furthermore, reading board folding assembly is equipped with two sets ofly in folding containing box, another group reading board folding assembly locates folding containing box inner bottom wall opposite side, and is two sets of it is equipped with the reading board to articulate between the first articulated rod, and is two sets of the cover is equipped with driving belt on the threaded rod.
The invention with the structure has the following beneficial effects: compared with the traditional word-backing equipment, the auxiliary equipment for English education can enhance memory by instantaneous dictation through the dictation board, can adjust the overall height of the equipment according to the reading habits of users, is provided with the reading board which can be folded and stored, and further enhances the functions of the equipment.
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 diagram of an overall structure of an auxiliary device for English education with words written thereon;
FIG. 2 is a top view of a supporting control box of the auxiliary device for word-back in English education according to the present invention;
FIG. 3 is a bottom view of the dictation holder assembly of the auxiliary device for learning English words of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 1;
fig. 5 is a right side cross-sectional view of a reading board folding assembly of an aid for word-bearing English education according to the present invention.
The device comprises a supporting control box 1, a folding containing box 2, a sliding position plate 3, a height adjusting device 4, an operation plate 5, an auxiliary memory device 6, a sliding position block 7, a second connecting rod 8, a first knob 9, a first screw rod 10, a screw rod 11 and a fixing block. 12. A thread block, 13, a placing rack, 14, a baffle plate, 15, a dictation plate, 16, a dictation clamping component, 17, a supporting seat, 18, a second knob, 19, a rotating rod, 20, a driving wheel, 21, a fixed seat, 22, a rotating rod, 23, a clamping rod, 24, a telescopic spring, 25, a third knob, 26, a driving shaft, 27, a first bevel gear, 28, a worm, 29, a worm wheel, 30, a second bevel gear, 31, a driven rotating shaft, 32, a sliding part, 33, a sliding block, 34, a transmission gear, 35, a sleeve, 36, a telescopic plate, 37, a reading plate folding component, 38, a fixed plate, 39, a threaded rod, 40, a nut block, 41, a first hinge rod, 42, a second hinge rod, 43, a bearing seat, 44, a reading plate, 45 and a transmission belt.
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.
It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1 to 5, the technical scheme adopted by the invention is as follows: the invention relates to auxiliary equipment for English education word-back, which comprises a support control box 1, a folding containing box 2, a slide plate 3, a height adjusting device 4, an operating plate 5 and an auxiliary memory device 6, wherein the upper side of the support control box 1 is provided with an opening, one side wall of the support control box 1 is provided with a slide groove, the folding containing box 2 is arranged at one side of the support control box 1, the front side of the folding containing box 2 is provided with an opening, the slide plate 3 is arranged at one side of the folding containing box 2, the slide plate 3 is provided with a second slide groove corresponding to one side of the support control box 1, the height adjusting device 4 is arranged in the support control box 1, a slide block 7 is arranged in the second slide groove in a sliding manner, a connecting rod is arranged on the slide block 7, the operating plate 5 is arranged on the connecting rod, one side of the operating plate 5 is provided with a second connecting rod 8, and the second connecting rod 8 is connected with the height adjusting, the auxiliary memory device 6 is arranged on the operating panel 5;
the auxiliary memory device 6 comprises a first knob 9, a screw rod 10, a fixed block 11, a thread block 12, a placing frame 13, a shielding plate 14, a dictation plate 15 and a dictation clamping component 16, wherein the fixed block 11 comprises a first fixed block and a second fixed block, the first fixed block is arranged on one side of the operating plate 5, the second fixed block is arranged on one side of the operating plate 5 and is positioned behind the first fixed block, the screw rod 10 is rotatably arranged on the second fixed block, one end of the screw rod penetrates through the first fixed block, the first knob 9 is arranged on one end of the screw rod 10 penetrating through the first fixed block, the thread block 12 is connected with the screw rod 10 through threads, the placing frame 13 is arranged on one side of the thread block 12, the shielding plate 14 is arranged on the upper end and the lower end of the placing frame 13, the dictation plate 15 is arranged on the placing frame 13, the dictation clamping component 16 is arranged on the dictation plate 15, second knob 18, dwang 19, action wheel 20, fixing base 21, rotating rod 22, clamping rod 23 and expanding spring 24, supporting seat 17 includes first supporting seat and second supporting seat, first supporting seat locates on the rote 15, the second supporting seat locates on the rote 15 and is located first supporting seat top, dwang 19 rotates and locates on the second supporting seat and one end runs through first supporting seat, second knob 18 locates dwang 19 and runs through first supporting seat one end, action wheel 20 locates on dwang 19, fixing base 21 includes first fixing base and second fixing base, first fixing base locates on the rote 15 first fixing base one side, the second fixing base locates on the rote 15 and is located the top of first fixing base, the both ends of rotating rod 22 rotate respectively and locate on first fixing base and second fixing base, clamping rod 23 locates on rotating rod 22, one end of the clamping rod 23 is provided with an incomplete gear which is meshed with the driving wheel 20, the extension spring 24 is arranged on the dictation plate 15, and one end of the extension spring is connected with the clamping rod 23;
the height adjusting device 4 comprises a third knob 25, a driving shaft 26, a first bevel gear 27, a worm 28, a worm wheel 29, a second bevel gear 30, a driven rotating shaft 31, a sliding part 32, a sliding block 33 and a transmission gear 34, wherein a through hole is formed in the front wall of the supporting control box 1, a sleeve 35 is arranged in the through hole in a rotating mode, the driving shaft 26 is arranged at one end, located in the supporting control box 1, of the sleeve 35, the third knob 25 is arranged at the front end of the sleeve 35, the first bevel gear 27 is arranged on the driving shaft 26, two ends of the driven rotating shaft 31 are respectively arranged on the front wall and the rear wall of the supporting control box 1 in a rotating mode, the worm 28 is arranged on the bottom wall of the supporting control box 1 in a rotating mode, the second bevel gear 30 is arranged on the lower side of the worm 28, the second bevel gear 30 is meshed with the first bevel gear, drive gear 34 is located driven spindle 31 and is located drive gear 34 rear side, slide piece 32 is located and is supported on 1 lateral wall of control box, the slip recess has been seted up on slide piece 32, slider 33 slides and locates in the slip recess, slider 33 one side is equipped with the spur rack, spur rack and drive gear 34 meshing, slider 33 upper end and second connecting rod 8 fixed connection.
Specifically, the diameter of the through hole is smaller than the diameters of the front and rear end faces of the sleeve 35. The shielding plate 14 is provided with an observation slot, and the telescopic plate 36 is slidably disposed in the observation slot, so that when the user shields the word, the telescopic plate 36 can be pulled to check whether the word is correct or incorrect. Wall one side is equipped with reading board folding assembly 37 in folding containing box 2, reading board folding assembly 37 includes fixed plate 38, threaded rod 39, nut piece 40, first articulated rod 41, second articulated rod 42 and bears the weight of seat 43, bear the weight of seat 43 and locate on folding containing box 2 diapalls, one side on bearing the weight of seat 43 is located in first articulated rod 41 is articulated, folding containing box 2 roof front side is located to fixed plate 38, threaded rod 39 rotates and locates on folding containing box 2 back wall and the front end runs through fixed plate 38, threaded rod 39 runs through fixed plate 38 one end and is equipped with the spiral piece, nut piece 40 is located on threaded rod 39 through threaded connection, second articulated rod 42 is articulated to be located on nut piece 40 and one end and the articulated connection in the middle part of first articulated rod 41. The reading board folding assembly 37 is provided with two groups of reading board folding assemblies 37 in the folding storage box 2, the other group of reading board folding assemblies 37 is arranged on the other side of the bottom wall of the folding storage box 2, the reading board 44 is hinged between the first hinge rods 41, and the threaded rods 39 are sleeved with the transmission belts 45.
When the device is used specifically and the height of the device needs to be adjusted, the third knob 25 is turned, the third knob 25 drives the sleeve 35, the driving shaft 26 and the first bevel gear 27 to rotate, the first bevel gear 27 is meshed to drive the second bevel gear 30 and the worm 28 to rotate, the worm 28 is meshed to drive the worm wheel 29, the driven rotating shaft 31 and the transmission gear 34 to rotate, the transmission gear 34 is meshed to drive the straight rack and the slide block 7 to move in the vertical direction, and the slide block 7 drives the operating board 5 to lift upwards through the second connecting rod 8 so as to adjust the height to be suitable for reading of an individual; when the words need to be memorized in an auxiliary manner, the word card needing to be recited is fixed on the operation board 5, the dictation paper is placed on the dictation board 15 and is fixed through the dictation clamping component 16, the words are recited line by line, the first knob 9 is rotated in the process, and the shielding board 14 is controlled to shield the words from top to bottom for dictation; when needing to use the reading board, the piece is revolved in the rotating, revolves the piece and passes through drive belt 45 and drive two sets of threaded rod 39 and rotate, and threaded rod 39 pivoted drives screw piece 40 through threaded connection and moves forward on threaded rod 39 simultaneously, and screw piece 40 drives the motion of second hinge bar 42, and the folding of further first hinge bar 41 of control and reading board 44 is accomodate.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. An auxiliary assembly of word back for english education which characterized in that: the foldable storage box comprises a support control box, a foldable storage box, a slide plate, a height adjusting device, an operating plate and an auxiliary memory device, wherein the support control box is provided with an opening at the upper side, a slide groove is formed in one side wall of the support control box, the foldable storage box is arranged at one side of the support control box, the front side of the foldable storage box is opened, the slide plate is arranged at one side of the foldable storage box, a second slide groove is formed in one side of the slide plate, which corresponds to the support control box, the height adjusting device is arranged in the support control box, a slide block is arranged in the second slide groove in a sliding manner, a connecting rod is arranged on the slide block, the operating plate is arranged on the connecting rod, a second connecting rod is arranged at one side of the operating plate, the second connecting rod is connected with the height adjusting device, and the auxiliary memory device; the auxiliary memory device comprises a first knob, a screw rod, a fixed block, a thread block, a placing frame, a baffle plate, a dictation plate and a dictation clamping component, wherein the fixed block comprises a first fixed block and a second fixed block, the first fixed block is arranged on one side of the operating plate, the second fixed block is arranged on one side of the operating plate and is positioned behind the first fixed block, the screw rod is rotatably arranged on the second fixed block, one end of the screw rod penetrates through the first fixed block, the first knob is arranged at one end of the screw rod, the thread block is arranged on the screw rod through threaded connection, the placing frame is arranged on one side of the thread block, the baffle plate is arranged at the upper end and the lower end of the placing frame, the dictation plate is arranged at the upper end of the placing frame, the dictation clamping component is arranged on the dictation plate, and the dictation clamping component comprises a supporting seat, The support seat comprises a first support seat and a second support seat, the first support seat is arranged on the dictation plate, the second support seat is arranged on the dictation plate and positioned above the first support seat, the rotating rod is rotatably arranged on the second support seat, one end of the rotating rod penetrates through the first support seat, the second knob is arranged at one end of the rotating rod penetrating through the first support seat, the driving wheel is arranged on the rotating rod, the fixing seat comprises a first fixing seat and a second fixing seat, the first fixing seat is arranged on one side of the first fixing seat on the dictation plate, the second fixing seat is arranged on the dictation plate and positioned above the first fixing seat, two ends of the rotating rod are respectively rotatably arranged on the first fixing seat and the second fixing seat, the clamping rod is arranged on the rotating rod, one end of the clamping rod is provided with an incomplete gear, and the incomplete gear is meshed with the driving wheel, the extension spring is arranged on the dictation plate, and one end of the extension spring is connected with the clamping rod; the height adjusting device comprises a third knob, a driving shaft, a first bevel gear, a worm wheel, a second bevel gear, a driven rotating shaft, a slide part, a sliding block and a transmission gear, wherein a through hole is formed in the front wall of the supporting control box, a sleeve is arranged in the through hole in a rotating manner, the driving shaft is arranged at one end of the sleeve in the supporting control box, the front end of the sleeve is arranged at the front end of the third knob, the first bevel gear is arranged on the driving shaft, the two ends of the driven rotating shaft are respectively and rotatably arranged on the front wall and the rear wall of the supporting control box, the worm is rotatably arranged on the bottom wall of the supporting control box, the second bevel gear is arranged at the lower side of the worm, the second bevel gear is meshed with the first bevel gear, the worm wheel is arranged on the driven rotating shaft and is meshed with the worm, the transmission gear is, the slide mechanism is characterized in that a slide groove is formed in the slide piece, the slide block is slidably arranged in the slide groove, a straight rack is arranged on one side of the slide block and meshed with the transmission gear, and the upper end of the slide block is fixedly connected with the second connecting rod.
2. The apparatus for assisting in learning English according to claim 1, wherein: the aperture of the through hole is smaller than the diameters of the front end face and the rear end face of the sleeve.
3. The apparatus for assisting in learning English according to claim 1, wherein: an observation groove is formed in the shielding plate, and a telescopic plate is arranged in the observation groove in a sliding mode.
4. The apparatus for assisting in learning English according to claim 1, wherein: the utility model discloses a folding containing box, including folding containing box, reading board folding assembly, threaded rod, nut piece, first hinge bar, second hinge bar and bear the seat, bear the seat and locate on the folding containing box diapire, first hinge bar articulates and locates one side on bearing the seat, folding containing box roof front side is located to the fixed plate, the threaded rod rotates and locates on the folding containing box back wall and the front end runs through the fixed plate, the threaded rod runs through fixed plate one end and is equipped with the spiral piece, the nut piece is located on the threaded rod through threaded connection, the second hinge bar articulates and locates on the nut piece and one end and the articulated connection in first hinge bar middle part.
5. The apparatus for assisting in learning English according to claim 4, wherein: the reading board folding assembly is arranged on the other side of the inner bottom wall of the folding storage box, the reading board folding assembly is hinged to the first hinge rod, and a transmission belt is sleeved on the threaded rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011252914.9A CN112201119B (en) | 2020-11-11 | 2020-11-11 | English education is with auxiliary assembly who backs word |
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|---|---|---|---|
| CN202011252914.9A CN112201119B (en) | 2020-11-11 | 2020-11-11 | English education is with auxiliary assembly who backs word |
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| CN112201119A true CN112201119A (en) | 2021-01-08 |
| CN112201119B CN112201119B (en) | 2022-08-09 |
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| CN205091935U (en) * | 2015-11-16 | 2016-03-16 | 哈尔滨师范大学 | Multi -functional english teaching assistance board |
| CN205486981U (en) * | 2016-01-30 | 2016-08-17 | 宿州学院 | Foreign language word helps ware |
| CN205486984U (en) * | 2016-01-30 | 2016-08-17 | 辽宁科技学院 | English word chinese meaning of a word contrast learning device |
| CN207302416U (en) * | 2017-07-12 | 2018-05-01 | 许昌学院 | A kind of English teaching is with writing from memory plate |
| CN208351764U (en) * | 2017-12-07 | 2019-01-08 | 吕梁学院 | Auxiliary English word memorizing device |
| CN108538150A (en) * | 2018-04-17 | 2018-09-14 | 江苏海事职业技术学院 | A kind of memorizing english words plate |
| CN108717815A (en) * | 2018-07-24 | 2018-10-30 | 潍坊玖卫浴有限公司 | A kind of English education word writes from memory memory storage |
| CN209993177U (en) * | 2018-12-27 | 2020-01-24 | 谢京敏 | English teaching is with short language memory device of writing without memory |
| CN210722016U (en) * | 2019-04-18 | 2020-06-09 | 佳木斯职业学院 | English autonomous learning is with writing board by one's mercy |
| CN211479420U (en) * | 2019-05-31 | 2020-09-11 | 长沙航空职业技术学院 | English teaching board convenient to word memory |
| CN211712779U (en) * | 2019-12-28 | 2020-10-20 | 江苏乐竹环保科技有限公司 | Environmental protection device with dust adsorption performance is convenient for filter sewage circulation |
| CN111437123A (en) * | 2020-04-02 | 2020-07-24 | 李艳 | Multi-functional neonate of gynaecology and obstetrics nurses bed |
| CN111551435A (en) * | 2020-05-13 | 2020-08-18 | 浙江工业职业技术学院 | Mobile true triaxial apparatus for soil test |
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