CN209649868U - A kind of vertical space of a whole page auxiliary transcribes carriage - Google Patents

A kind of vertical space of a whole page auxiliary transcribes carriage Download PDF

Info

Publication number
CN209649868U
CN209649868U CN201920226475.0U CN201920226475U CN209649868U CN 209649868 U CN209649868 U CN 209649868U CN 201920226475 U CN201920226475 U CN 201920226475U CN 209649868 U CN209649868 U CN 209649868U
Authority
CN
China
Prior art keywords
sliding
sliding support
match
helical teeth
bracket
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201920226475.0U
Other languages
Chinese (zh)
Inventor
张科
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Industry Polytechnic College
Original Assignee
Chongqing Industry Polytechnic College
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing Industry Polytechnic College filed Critical Chongqing Industry Polytechnic College
Priority to CN201920226475.0U priority Critical patent/CN209649868U/en
Application granted granted Critical
Publication of CN209649868U publication Critical patent/CN209649868U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)

Abstract

The utility model belongs to teaching aid technical field, auxiliary device is transcribed with blackboard more particularly to a kind of foreign language teaching, including blackboard panel, blackboard panel is equipped with sliding slot in two sides up and down, sliding slot is equipped with sliding key block, sliding bar is connected between two sliding key blocks, sliding bar side is equipped with helical teeth, sliding bar is arranged with sliding support, sliding support is equipped with step through-hole, step through-hole is equipped with mobile helical teeth plate, sliding support is equipped with cover board, spring is equipped between cover board and mobile helical teeth plate, sliding support is arranged with slip ring, slip ring is equipped with clamping screw, slip ring side is equipped with the first rotating bracket, first rotating bracket is rotatably connected to hollow metal fixed frame, sliding support upper surface is equipped with magnet block, hollow metal fixed frame is equipped with several L-type magnet, the second rotating bracket is welded on the downside of sliding support, second rotating bracket is rotatably connected to Metal bracket, sliding support lower end surface are equipped with the second magnet block.The utility model transcribes the content on textbook or examination paper on blackboard convenient for user.

Description

A kind of vertical space of a whole page auxiliary transcribes carriage
Technical field
The utility model belongs to tutor auxiliary platform apparatus field, and in particular to a kind of vertical space of a whole page auxiliary transcribes carriage.
Background technique
Often text or number are transcribed in teaching on blackboard or blank, it is usual when writing practising exchange It needs largely to transcribe on blackboard, to show the content of courses and effect.A large amount of foreign language or strange is transcribed on blackboard Data, if perhaps data are not very familiar to the textbook generally required by hand or examination paper is lifted and write when seeing to foreign language, Comparatively the content on textbook or examination paper can be transcribed on blackboard, transcribe to need to be lifted with a hand in this way and transcribe The textbook of content is write, this mode of transcribing is very original, and transcribing writer and transcribing is also very painstakingly that writer transcribes in vertical plate face Text it is difficult to ensure that parallel, the quality of writing is difficult to ensure.
Utility model content
The purpose of this utility model is: it is intended to provide a kind of vertical space of a whole page auxiliary and transcribes carriage, the utility model Stable structure, displacement are convenient.Textbook or examination paper can be fixed on moveable bracket by user, light convenient for user The content on textbook or examination paper is transcribed on blackboard.Present apparatus structural volume is small, can reduce and block to blackboard, just Blackboard is watched in teachers and students to exchange.
To realize the above-mentioned technical purpose, the technical solution adopted in the utility model is as follows:
A kind of vertical space of a whole page auxiliary transcribes carriage, including blackboard panel, and the blackboard panel is equipped with two sides up and down Sliding slot, the sliding slot two sides have been bolted first baffle, and the sliding slot is equipped with sliding key block, two sliding key blocks it Between be bolted sliding bar, the sliding bar side is equipped with helical teeth, and the sliding bar is arranged with sliding support, and the sliding is propped up It is provided with step through-hole, the step through-hole is equipped with the mobile helical teeth plate to match with helical teeth, and the mobile helical teeth plate is equipped with handle Hand, the sliding support are equipped with the cover board to match with mobile helical teeth plate, and the cover board is equipped with the through-hole to match with handle, institute It states and is set between cover board and mobile helical teeth plate there are two spring, the step through-hole upside is equipped with rectangle sliding slot, the sliding support It is arranged with the slip ring to match with rectangle sliding slot, the sliding support top is equipped with the second baffle to match with slip ring, described Slip ring is equipped with clamping screw, and the clamping screw is equipped with lock handle, and the slip ring side is equipped with the first rotating bracket, and described the Block is equipped on the downside of one rotating bracket, first rotating bracket is rotatably connected to hollow metal fixed frame, the sliding support Upper surface is equipped with the magnet block to match with hollow metal fixed frame, and hollow metal fixed frame end face is L-type, described hollow Metal holder is equipped with several L-type magnet, is welded with the second rotating bracket, second rotating bracket on the downside of the sliding support Equipped with the first pin hole, second rotating bracket is rotatably connected to metal bracket, and the metal bracket end face is L-type shape, institute It states metal bracket and is equipped with the second pin hole to match with the first pin hole, first pin hole and the second pin hole, which run through, is connected with positioning Pin, the sliding support lower end surface are equipped with the second magnet block to match with metal bracket, and second magnet block is equipped with and determines The third pin hole that position pin matches, the sliding support downside are equipped with magnet storage rack, and the magnet storage rack is equipped with and L-type magnetic The matched storage groove of iron phase.
Using technical solutions of the utility model, first baffle can prevent sliding key block from skidding off sliding slot and tearing open It unloads;Second baffle can prevent slip ring from skidding off rectangle sliding slot and disassembly;Hollow metal fixed frame and gold are not being used When belonging to bracket, sliding support is pushed into blackboard panel side, hollow metal fixed frame, which is rotated up to magnet block, cooperates fixation, Can be vertical fixed by it, lower positioning pin is dismantled, is inserted into third pin hole, metal bracket is swung down to and the second magnet Block cooperation is fixed, and is blocked in this way, reducing to blackboard, and student viewing blackboard is convenient for;In use, pushing sliding bar, make sliding bar Along sliding slot direction in blackboard panel front slide, sliding bar is adjusted to suitable position, by pull handle, spring-compressed is moved Dynamic helical teeth plate translation is separated with helical teeth, and sliding support can slide up and down, mobile oblique under spring force effect after unclamping handle Tooth plate cooperates with helical teeth again to be fixed, in this way, sliding support just can be adjusted to any position of blackboard panel, when fixed examination paper When, hollow metal fixed frame is turned into level, is limited by block, is fixed examination paper by extracting L-type magnet in magnet storage rack out In hollow metal fixed frame, when fixed textbook, since textbook is heavier, hollow metal fixed frame is placed horizontal While, metal bracket is turned into level, the positioning pin in third pin hole is extracted out, is inserted into the first pin hole and the second pin hole To fixed metal bracket, turns lock handle and unclamp clamping screw, adjust between hollow metal fixed frame and metal bracket Distance is identical as textbook length, can be by textbook since hollow metal fixed frame and metal bracket end face are L-type structure It places wherein, its weight is primarily subjected to by metal bracket, simultaneously because textbook is thicker, L-type magnet cannot be directly born against on textbook To fixed textbook, by the relatively thin side of L-type magnet and fixed, one protruded by L-type magnet on the upside of the first rotating bracket front surface Textbook is pressed on the downside of the first rotating bracket front surface by side, so just can fix textbook, can be by different width using L-type magnet The textbook of degree is fixed, easy to use;Textbook or examination paper can be fixed on moveable bracket by the utility model stable structure On, easily content in textbook or examination paper is transcribed in blackboard convenient for teacher, and structural volume is small, is reduced to blackboard It blocks, is convenient for student viewing blackboard.
It further limits, two sides set that there are two the fixed ring that matches with spring, the mobile helical teeth to the cover board up and down Two sides are equipped with the cylinder to match with spring to plate up and down.Such structure, convenient for spring is fixed on cover board and mobile helical teeth plate Between, stable structure.
It further limits, the sliding slot is L-type sliding slot.Such structure, stable structure is reasonable, is easy to use.
It further limits, the handle is equipped with elliptical hole.Such structure can be more easier easily to use handle Hand.
It further limits, the lock handle is plum blossom handle.Such structure is convenient for unarmed rotation lock handle.
It further limits, the positioning pin top is equipped with annular knurl.Such structure, positioning pin easy to disassemble.
The utility model compares with existing technology and has the advantage that
1, it moves sliding support with the cooperation of sliding key block and mobile helical teeth plate and helical teeth cooperation by sliding slot to take office Meaning position, meets the needs that user transcribes;
2, the first rotating bracket rotation connection hollow metal fixed frame and the second rotating bracket and metal bracket cooperate, and make sky Heart metal holder and metal bracket can turn to vertical position, and by hollow metal fixed frame and magnet block cooperates and metal Bracket and the second magnet block cooperate, and fix hollow metal fixed frame with metal bracket, block, are convenient for blackboard to reduce Student viewing blackboard;
3, the tool between hollow metal fixed frame and metal bracket is made by the cooperation of rectangle sliding slot, slip ring and clamping screw Body is adjustable, convenient for placing the textbook of different length, can also be used as the reference by location transcribed, can make the text for the person of transcribing Keeping parallelism is write, and can be improved writing quality;
4, it is convenient for the examination paper and textbook of fixed different length using L-type magnet;
5, prevent L-type magnet from losing convenient for storage L-type magnet using magnet storage rack.
Detailed description of the invention
The utility model can be further illustrated by the nonlimiting examples that attached drawing provides;
Fig. 1 is the structural schematic diagram one that a kind of vertical space of a whole page auxiliary of the utility model transcribes carriage embodiment;
Fig. 2 is the structure enlargement diagram in Fig. 1 at A;
Fig. 3 is the structural schematic diagram two that a kind of vertical space of a whole page auxiliary of the utility model transcribes carriage embodiment;
Fig. 4 is the structure enlargement diagram in Fig. 3 at B;
Fig. 5 is the cross-section structure for the sliding support that a kind of vertical space of a whole page auxiliary of the utility model transcribes carriage embodiment Schematic diagram;
Main element symbol description is as follows:
Blackboard panel 1, sliding slot 11, first baffle 111, sliding key block 12, sliding bar 13, helical teeth 131, sliding support 2, platform Rank through-hole 21, mobile helical teeth plate 22, handle 221, cylinder 222, elliptical hole 223, cover board 23, fixed ring 231, spring 24, magnetic Iron block 25, the second magnet block 26, third pin hole 261, second baffle 27, rectangle sliding slot 3, slip ring 31, clamping screw 32, locking handle Hand 321, the first rotating bracket 33, block 331, hollow metal fixed frame 34, L-type magnet 341, the second rotating bracket 4, metal support Frame 41, positioning pin 42, magnet storage rack 5, storage groove 51.
Specific embodiment
It is right with reference to the accompanying drawings and examples in order to make those skilled in the art that the utility model may be better understood Technical solutions of the utility model further illustrate.
As shown in Figs. 1-5, a kind of vertical space of a whole page auxiliary of the utility model transcribes carriage, including blackboard panel 1, black About 1 two sides of plate face plate are equipped with sliding slot 11, and 11 two sides of sliding slot have been bolted first baffle 111, and sliding slot 11 is equipped with sliding Key block 12, sliding bar 13 has been bolted between two sliding key blocks 12, and 13 side of sliding bar is equipped with helical teeth 131, sliding bar 13 It is arranged with sliding support 2, sliding support 2 is equipped with step through-hole 21, and it is oblique that step through-hole 21 is equipped with the movement to match with helical teeth 131 Tooth plate 22, mobile helical teeth plate 22 are equipped with handle 221, and sliding support 2 is equipped with the cover board 23 to match with mobile helical teeth plate 22, cover board 23 are equipped with the through-hole that matches with handle 221, set that there are two spring 24, step through-holes 21 between cover board 23 and mobile helical teeth plate 22 Upside is equipped with rectangle sliding slot 3, and sliding support 2 is arranged with the slip ring 31 to match with rectangle sliding slot 3, and 2 top of sliding support is equipped with The second baffle 27 to match with slip ring 31, slip ring 31 are equipped with clamping screw 32, and clamping screw 32 is equipped with lock handle 321, sliding 31 side of ring is equipped with the first rotating bracket 33, and block 331 is equipped on the downside of the first rotating bracket 33, and the rotation of the first rotating bracket 33 connects It is connected to hollow metal fixed frame 34,2 upper surface of sliding support is equipped with the magnet block 25 to match with hollow metal fixed frame 34, empty 34 end face of heart metal holder is L-type, and hollow metal fixed frame 34 is equipped with several L-type magnet 341, welds on the downside of sliding support 2 There is the second rotating bracket 4, the second rotating bracket 4 is equipped with the first pin hole, and the second rotating bracket 4 is rotatably connected to metal bracket 41, 41 end face of metal bracket is L-type shape, and metal bracket 41 is equipped with the second pin hole for matching with the first pin hole, the first pin hole and the Two pin holes are equipped with the second magnet block 26 to match with metal bracket 41 through positioning pin 42,2 lower end surface of sliding support is connected with, Second magnet block 26 is equipped with the third pin hole 261 to match with positioning pin 42, is equipped with magnet storage rack 5, magnetic on the downside of sliding support 2 Iron storage rack 5 is equipped with the storage groove 51 to match with L-type magnet 341.
Using technical solutions of the utility model, first baffle 111 can prevent sliding key block 12 skid off sliding slot 11 and Installing and dismounting;Second baffle 27 can prevent slip ring 31 from skidding off rectangle sliding slot 3 and disassembly;Hollow gold is not being used When belonging to fixed frame 34 and metal bracket 41, sliding support 2 is pushed into 1 side of blackboard panel, hollow metal fixed frame 34 turns upwards It moves to magnet block 25 and cooperates fixation, can be vertical fixed by it, lower positioning pin 42 is dismantled, is inserted into third pin hole 261, Metal bracket 41 is swung down to cooperate with the second magnet block 26 and fix, and blocks in this way, reducing to blackboard, is convenient for student viewing Blackboard;In use, pushing sliding bar 13, make sliding bar 13 along 11 direction of sliding slot in 1 front slide of blackboard panel, by sliding bar 13 It adjusts to suitable position, by pull handle 221, spring 24 compresses, and the mobile translation of helical teeth plate 22 is separated with helical teeth 131, slides Bracket 2 can slide up and down, and after unclamping handle 221, under the effect of 24 elastic force of spring, mobile helical teeth plate 22 is matched with helical teeth 131 again It closes and fixes, in this way, sliding support 2 just can be adjusted to any position of blackboard panel 1, when fixed examination paper, by hollow metal Fixed frame 34 turns to level, is limited by block 331, and examination paper is fixed on sky by extracting L-type magnet 341 in magnet storage rack 5 out In heart metal holder 34, when fixed textbook, since textbook is heavier, hollow metal fixed frame 34 is placed into level While, metal bracket 41 is turned into level, the positioning pin 42 in third pin hole 261 is extracted out, is inserted into the first pin hole and the To fixed metal bracket 41 in two pin holes, turns lock handle 321 and unclamp clamping screw 32, adjust hollow metal fixed frame 34 The distance between metal bracket 41 is identical as textbook length, since hollow metal fixed frame 34 and 41 end face of metal bracket are L-type structure, therefore textbook can be placed wherein, its weight is primarily subjected to by metal bracket 41, simultaneously because textbook is thicker, L Type magnet 341 cannot be directly born against to fixed textbook on textbook, by the relatively thin side of L-type magnet 341 and the first rotating bracket 33 Fixed on the upside of front surface, textbook is pressed on the downside of 33 front surface of the first rotating bracket by the side protruded by L-type magnet 341, in this way Just textbook can be fixed, can be fixed the textbook of different in width using L-type magnet 341, it is easy to use;The utility model structure Stablize, textbook or examination paper can be fixed on moveable bracket, it easily will be interior in textbook or examination paper convenient for teacher Appearance is transcribed in blackboard, and structural volume is small, and blackboard is blocked in reduction, is convenient for student viewing blackboard.
It is preferred that about 23 two sides of cover board are set there are two the fixed ring 231 to match with spring 24, mobile about 22 helical teeth plate Two sides are equipped with the cylinder 222 to match with spring 24.Such structure, convenient for spring 24 is fixed on cover board 23 and mobile helical teeth Between plate 22, stable structure.In fact, can also consider to be convenient for for spring 24 being fixed on using other structures as the case may be Between cover board 23 and mobile helical teeth plate 22.
It is preferred that sliding slot 11 is L-type sliding slot.Such structure, stable structure is reasonable, is easy to use.In fact, can also root Consider that sliding slot 11 uses other structures shape according to concrete condition.
Preferred grip 221 is equipped with elliptical hole 223.Such structure can be more easier easily to use handle 221. In fact, can also consider be more easier using other structures as the case may be easily to use handle 221.
It is preferred that lock handle 321 is plum blossom handle.Such structure is convenient for unarmed rotation lock handle 321.In fact, It can also consider that lock handle 321 uses other shapes as the case may be.
42 top of preferred orientation pin is equipped with annular knurl.Such structure, positioning pin 42 easy to disassemble.In fact, can also root Consider that positioning pin 42 uses other structures positioning pin 42 easy to disassemble according to concrete condition.
The utility model makes sliding support can be with by sliding slot and the cooperation of sliding key block and mobile helical teeth plate and helical teeth cooperation It is moved to any position, meets the needs that user transcribes;First rotating bracket is rotatablely connected hollow metal fixed frame and second Rotating bracket and metal bracket cooperate, and so that hollow metal fixed frame and metal bracket is turned to vertical position, by hollow Metal holder and magnet block cooperation and metal bracket and the second magnet block cooperate, and keep hollow metal fixed frame and metal bracket solid It is fixed, blackboard is blocked to reduce, is convenient for student viewing blackboard;Made by the cooperation of rectangle sliding slot, slip ring and clamping screw It is specific adjustable between hollow metal fixed frame and metal bracket, convenient for placing the textbook of different length, can also be used as The reference by location transcribed can be such that the text keeping parallelism for the person of transcribing writes, can be improved writing quality;Just using L-type magnet In the examination paper and textbook of fixed different length;Using magnet storage rack convenient for storage L-type magnet, prevent L-type magnet from losing.
Above-described embodiment is merely exemplary to illustrate the principle and effect of the utility model, and not for limitation, this is practical new Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model Modifications and changes.Therefore, all those of ordinary skill in the art are without departing from the revealed spirit of the utility model With all equivalent modifications completed under technical idea or change, should be covered by the claim of the utility model.

Claims (6)

1. a kind of vertical space of a whole page auxiliary transcribes carriage, including blackboard panel (1), it is characterised in that: the blackboard panel (1) Upper and lower two sides are equipped with sliding slot (11), and sliding slot (11) two sides have been bolted first baffle (111), the sliding slot (11) Equipped with sliding key block (12), it has been bolted sliding bar (13) between two sliding key blocks (12), the sliding bar (13) Side is equipped with helical teeth (131), and the sliding bar (13) is arranged with sliding support (2), and the sliding support (2) is equipped with step through-hole (21), the step through-hole (21) is equipped with the mobile helical teeth plate (22) to match with helical teeth (131), the mobile helical teeth plate (22) Equipped with handle (221), the sliding support (2) is equipped with the cover board (23) to match with mobile helical teeth plate (22), the cover board (23) be equipped with the through-hole that matches with handle (221), set between the cover board (23) and mobile helical teeth plate (22) there are two spring (24), rectangle sliding slot (3) are equipped on the upside of the step through-hole (21), the sliding support (2) is arranged with and rectangle sliding slot (3) phase Matched slip ring (31), sliding support (2) top are equipped with the second baffle (27) to match with slip ring (31), the slip ring (31) clamping screw (32) are equipped with, the clamping screw (32) is equipped with lock handle (321), and slip ring (31) side is equipped with the One rotating bracket (33), the first rotating bracket (33) downside are equipped with block (331), the first rotating bracket (33) rotation It is connected with hollow metal fixed frame (34), sliding support (2) upper surface is equipped with to match with hollow metal fixed frame (34) Magnet block (25), hollow metal fixed frame (34) end face be L-type, the hollow metal fixed frame (34) be equipped with several L Type magnet (341), sliding support (2) downside are welded with the second rotating bracket (4), and second rotating bracket (4) is equipped with First pin hole, second rotating bracket (4) are rotatably connected to metal bracket (41), and metal bracket (41) end face is L-type Shape, the metal bracket (41) are equipped with the second pin hole to match with the first pin hole, and first pin hole is passed through with the second pin hole It wears and is connected with positioning pin (42), sliding support (2) lower end surface is equipped with the second magnet block to match with metal bracket (41) (26), second magnet block (26) is equipped with the third pin hole (261) to match with positioning pin (42), the sliding support (2) Downside is equipped with magnet storage rack (5), and the magnet storage rack (5) is equipped with the storage groove (51) to match with L-type magnet (341).
2. a kind of vertical space of a whole page auxiliary according to claim 1 transcribes carriage, it is characterised in that: the cover board (23) Upper and lower two sides are set there are two the fixed ring (231) to match with spring (24), and the mobile helical teeth plate (22) is equipped with two sides up and down The cylinder (222) to match with spring (24).
3. a kind of vertical space of a whole page auxiliary according to claim 2 transcribes carriage, it is characterised in that: the sliding slot (11) For L-type sliding slot.
4. a kind of vertical space of a whole page auxiliary according to claim 3 transcribes carriage, it is characterised in that: the handle (221) elliptical hole (223) are equipped with.
5. a kind of vertical space of a whole page auxiliary according to claim 4 transcribes carriage, it is characterised in that: the lock handle It (321) is plum blossom handle.
6. a kind of vertical space of a whole page auxiliary according to claim 5 transcribes carriage, it is characterised in that: the positioning pin (42) top is equipped with annular knurl.
CN201920226475.0U 2019-02-23 2019-02-23 A kind of vertical space of a whole page auxiliary transcribes carriage Expired - Fee Related CN209649868U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920226475.0U CN209649868U (en) 2019-02-23 2019-02-23 A kind of vertical space of a whole page auxiliary transcribes carriage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920226475.0U CN209649868U (en) 2019-02-23 2019-02-23 A kind of vertical space of a whole page auxiliary transcribes carriage

Publications (1)

Publication Number Publication Date
CN209649868U true CN209649868U (en) 2019-11-19

Family

ID=68524849

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920226475.0U Expired - Fee Related CN209649868U (en) 2019-02-23 2019-02-23 A kind of vertical space of a whole page auxiliary transcribes carriage

Country Status (1)

Country Link
CN (1) CN209649868U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110091649A (en) * 2019-02-23 2019-08-06 重庆工业职业技术学院 A kind of vertical space of a whole page auxiliary transcribes apparatus structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110091649A (en) * 2019-02-23 2019-08-06 重庆工业职业技术学院 A kind of vertical space of a whole page auxiliary transcribes apparatus structure
CN110091649B (en) * 2019-02-23 2024-02-09 重庆工业职业技术学院 Vertical layout auxiliary copying device structure

Similar Documents

Publication Publication Date Title
CN209649868U (en) A kind of vertical space of a whole page auxiliary transcribes carriage
CN210488946U (en) English teaching translation vocabulary contrast teaching board
CN110091649A (en) A kind of vertical space of a whole page auxiliary transcribes apparatus structure
CN112874207B (en) Teaching device for finance enterprise training
CN214548022U (en) Think political affairs classroom teaching auxiliary device
CN213786026U (en) Portable chinese book reading rack
CN211719112U (en) English teaching device capable of improving teaching efficiency
CN209421318U (en) A kind of reading stand applied to Chinese Course Classroom
CN211207677U (en) Japanese is write and is practised reference formula study board
CN210930198U (en) English teaching is with reading books strutting arrangement
CN210348834U (en) Foreign chinese teaching presentation device with rotary mechanism
CN208766852U (en) A kind of multifunctional dot read plate of English teaching
CN215792841U (en) Chinese character stroke exercise board for foreign Chinese teaching
CN206058580U (en) A kind of Portable English word-teaching plate
CN211349576U (en) English vocabulary teaching auxiliary device
CN210324607U (en) Teaching aid for English teaching
CN214123228U (en) Chinese teaching card fixing device
CN214068046U (en) Auxiliary device is used in exercise of primary school's chinese copybook
CN211195631U (en) Scriber for learning English words
CN215730291U (en) Touch english pronunciation device is used in english teaching
CN210515800U (en) English teaching panel that easily teacher carried
CN211124473U (en) Folding memory board convenient to english word memory
CN215126261U (en) Pinyin explanation device that primary school's chinese classroom was used
CN209514944U (en) A kind of letter Repeat exercise playing device of a recorder
CN220647337U (en) Folding display device

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: 20191119

Termination date: 20210223