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343results about "Board cleaning devices" patented technology
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Drama film and television literature teaching display device
InactiveCN119261427AImprove practicalityeasy to handleBoard cleaning devicesWriting aidsElectric machineDisplay device
The invention discloses a drama movie and television literature teaching display device, and particularly relates to the technical field of teaching display, the drama movie and television literature teaching display device comprises a mounting seat, the front side of the mounting seat is provided with a groove, the front side of the mounting seat is provided with two moving grooves, and the front side of the mounting seat is provided with four mounting holes; and the rotating assembly comprises a motor fixedly connected to the front side of the mounting base, a first rotating shaft is fixedly connected to the front end of the motor, and two first bevel gears are fixedly connected to the outside of the first rotating shaft. Through cooperation of the rotating assembly and the vibration assembly, when the device is used, replacement display can be conducted through the first blackboard and the second blackboard, during replacement, the first blackboard and the second blackboard can be automatically cleaned, dust can be absorbed, and the device is convenient to use. And the situation that much dust flies in the air and is inhaled by the teaching personnel and the students, and the body health of the teaching personnel and the students is affected is avoided, and the practicability of the device is improved.
Owner:SHANXI UNIV
Multifunctional graphic design auxiliary drawing device
PendingCN119610926Areduce wasteeasy to useBoard cleaning devicesWriting boardsGraphic designDrawing board
The invention discloses a multifunctional graphic design auxiliary drawing device, and particularly relates to the technical field of auxiliary drawing devices. The drawing board frame is fixedly connected to the bottom frame; the painting plate is hinged to the upper end of the drawing board frame and is made of a transparent material; and the pigment scraping assembly is arranged on the painting plate. The painting plate is arranged, after the painting plate is turned to be parallel to the drawing board frame, painting can be conducted on the painting plate, the painting area is consistent with the outline of the design content on the drawing paper, in this way, painting design can be conducted on the premise that the painting paper is not contacted, in addition, repeated design can be achieved by wiping the pigment on the painting plate, and the painting efficiency is improved. Unnecessary waste is reduced, and in addition, operation and use are convenient and fast. When the sliding block horizontally moves, the long scraping plate is driven to horizontally move, and when the long scraping plate horizontally moves, pigment on the surface of the painting plate can be scraped off, so that the next painting design can be carried out, manual wiping is not needed, and the pigment is prevented from adhering to the hand.
Owner:RIZHAO VOCATIONAL & TECHNICAL UNIVERSITY
Intelligent teaching instrument for law education
The invention relates to the technical field of teaching equipment, in particular to an intelligent teaching instrument for law education, which comprises a shell, a connecting rod and the like, and the shell is fixedly connected with a connecting rod. According to the invention, a whiteboard film is pasted on the surface of the curtain, so that a teacher can directly write on the surface of the curtain by using a whiteboard pen without repeatedly switching between the curtain and a blackboard, and two first electric sliding blocks located on the same abutting plate move in opposite directions and drive a cross connecting rod to unfold, so that the operation is convenient, and the teaching efficiency is improved. The crossed connecting rods drive the abutting plates to be far away from each other, so that the folding plates are gradually pulled and straightened through the abutting plates, the abutting plates and the folding plates are matched to form a whole back plate, and when writing is conducted on the surface of the curtain, the abutting plates and the folding plates can serve as supports, so that sinking deformation of the curtain is avoided; therefore, normal writing operation can be carried out on the curtain.
Owner:CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY
Adsorption type blackboard eraser box and blackboard with same
PendingCN119283522Aingenious designingenious structureBoard cleaning devicesWriting boardsMechanical engineeringPhysics
Owner:GUILIN UNIV OF AEROSPACE TECH
Electric chalk eraser capable of collecting dust
The invention relates to the technical field of chalk erasers, and discloses an electric chalk eraser capable of collecting dust, which comprises a box body, the front surface of the box body is fixedly connected with a handle, the inside of the handle is fixedly connected with an electric push rod, the rear surface of the electric push rod is provided with a dismounting assembly, and the rear surface of the dismounting assembly is provided with an eraser. A dust collection assembly is arranged on the upper surface of the box body and comprises a first pipeline, a second pipeline is fixedly connected to the upper portion of the first pipeline, a third pipeline is fixedly installed on the rear surface of the second pipeline, and a fourth pipeline is arranged on the rear portion of the third pipeline. According to the blackboard cleaning device, the blackboard eraser is driven by the electric push rod to do reciprocating motion, the blackboard cleaning efficiency is remarkably improved, the blackboard cleaning device is particularly suitable for cleaning work of a large-area blackboard, and dust generated in the wiping process can be effectively collected and prevented from drifting into air through the matched design of the dust collection assembly and the feeding port.
Owner:宁波第二技师学院
Blackboard eraser
Owner:王壮一
Electric dust collection blackboard eraser special for teaching
The invention relates to the field of teaching aids, in particular to a special electric dust collection blackboard eraser for teaching, which comprises a host and a blackboard eraser box, a power mechanism, a dust collection mechanism and a power supply mechanism are arranged in the main machine; the power mechanism comprises a microcontroller, a motor and a fan, the microcontroller is connected with the motor, an output shaft of the motor is connected with the fan, and the dust collection mechanism comprises a dust collection box; the edge of the blackboard eraser box is provided with a skirt edge, a plurality of cotton erasers are fixedly arranged on the inner side of the blackboard eraser box, spacing areas are arranged among the cotton erasers, and the plurality of spacing areas are communicated with one another to form a unified airflow channel. According to the electric dust collection blackboard eraser special for teaching, in the blackboard erasing process, chalk dust can be sucked into the dust collection box in time through suction force generated by the fan, flying of the chalk dust in air is greatly reduced, the teaching environment is effectively improved, and the body health of teachers and students is guaranteed.
Owner:雷志将
Electronic commerce teaching plan statistical device
The utility model discloses an e-commerce teaching planning statistical device which comprises a supporting base horizontally placed on the ground, a longitudinally-arranged display board is fixedly installed on the upper surface of the supporting base, and teaching cards printed with e-commerce teaching statistical tables are installed on the outer surface of the front side of the display board. The teaching cards are attached to the outer surface of the display board through positioning blocks on the upper side and the lower side of the teaching cards, an adjusting mechanism used for changing the installation positions of the positioning blocks is arranged behind the positioning blocks, and a writing board for chalk writing is fixedly installed in the middle of the outer surface of the front side of the display board. According to the electronic commerce teaching planning statistical device, novel structural design is adopted, the positions between the mounting columns and the mounting holes can be adjusted at will, that is, the mounting columns are inserted into the mounting holes at different positions, the distance between the upper positioning block and the lower positioning block can be changed, and therefore teaching cards of different sizes can be fixed through the positioning blocks.
Owner:INNER MONGOLIA VOCATIONAL COLLEGE OF COMMERCE & TRADE
Multifunctional touch control type intelligent blackboard
ActiveCN222281204UImprove the protective effectavoid damageBoard cleaning devicesCleaning using toolsSimulationMechanical engineering
The utility model discloses a multifunctional touch control type intelligent blackboard, which belongs to the technical field of intelligent blackboards and comprises a touch control type intelligent blackboard body, the touch control type intelligent blackboard body is arranged on the outer side of a wall body, a protection mechanism is arranged on the outer side of the touch control type intelligent blackboard body, and a cleaning brush body is arranged on the side edge of the protection mechanism. The cleaning brush body and the protection mechanism are fixedly connected through the cleaning brush fixing mechanism. The protection mechanism is arranged and can protect the touch control type intelligent blackboard body conveniently, the touch control type intelligent blackboard body is prevented from being damaged, the stability of the protection plate in the sliding process can be improved through the arrangement of the T-shaped block and the T-shaped groove, the cleaning brush fixing mechanism is arranged, the cleaning brush fixing mechanism is arranged, and the cleaning brush fixing mechanism is convenient to use. The mechanism can be used for cleaning dust on the touch control type intelligent blackboard body, and the fixing assembly is arranged, so that the cleaning brush body can be conveniently detached, and the cleaning brush can be conveniently cleaned and replaced.
Owner:BOCAIYE (HUBEI) EDUCATION TECHNOLOGY CO LTD
An intelligent blackboard system
The present invention discloses a smart blackboard system, comprising: a board surface for writing and presenting electronic images; slide rails vertically arranged on both sides of the board surface; a cross beam horizontally arranged between a pair of the slide rails and vertically slidably connected to the slide rails; an eraser arranged inside the cross beam and used for contacting the board surface; and a lead screw vertically arranged in the slide rails and threadedly connected to the cross beam. The present invention has the following advantages and effects: By providing a highly automated eraser, the wiping of the board surface is automatically realized, eliminating the need for manual blackboard wiping, preventing dust from contacting the hands, and also avoiding the inhalation of dust at close range, thus protecting the health of teachers and achieving the effect of facilitating teaching.
Owner:HUBEI LANSHAN NETWORK INFORMATION TECH CO LTD
Electronic paper blackboard device and control method
The application relates to the technical field of electronic paper, in particular to an electronic paper blackboard device and a control method. A controller is electrically connected with the electronic paper blackboard. An electronic chalk is provided with a first magnet, and the first magnet is detachably connected with the electronic chalk. The electronic chalk is used for changing the magnetic pole direction of a magnetic electronic ink material through the first magnet, so that the color of the magnetic electronic ink material is changed to form written content. A passive blackboard eraser is provided with a second magnet, and the second magnet is detachably connected with the passive blackboard eraser. The passive blackboard eraser is used for resetting the magnetic pole direction of the magnetic electronic ink material through the second magnet, so that the corresponding written content is erased, thereby realizing the traditional blackboard function. The electronic paper blackboard can be conveniently written and erased, and the reflection of the electronic paper blackboard does not affect the vision of children, which is beneficial to human health.
Owner:GUANGZHOU OED TECH INC
Electric vacuum blackboard eraser
ActiveCN116353237Bharm reductionreduce pollutionBoard cleaning devicesHuman health protectionBristleTeaching tool
The invention discloses an electric vacuum blackboard eraser, which belongs to the technical field of teaching tools, and comprises a gripping plate, a dust collecting box is detachably connected to the top of the gripping plate, a brush plate is movably installed on the top of the dust collecting box, multiple rows of bristles are installed on the top of the brush plate, multiple ash passing holes are provided on the brush plate, a dust filter is detachably installed on the bottom of the dust collecting box, multiple baffles cooperating with the ash passing holes are installed inside the dust collecting box, the baffles are obliquely installed on the inner wall of the dust collecting box and can rotate, a fan is installed inside the gripping plate, a switch is installed at one end of the gripping plate, and multiple exhaust holes are provided at the bottom of the gripping plate. The invention can collect scattered dust during use, reduce the harm of dust to teachers and students, and at the same time, it also has high sealing when not in use, and will not cause the dust collected inside the dust collecting box to leak, thereby reducing the pollution of secondary dust.
Owner:萧县鑫辉源电池有限公司
Changeable display device for mathematical drawing learning and training
The invention discloses a changeable display device for mathematical drawing learning and training, and relates to the technical field of display devices. The blackboard comprises a blackboard body, the blackboard body is slidably connected with a display main body, the blackboard body is slidably connected with a cleaning brush, the cleaning brush is in threaded connection with a reciprocating threaded rod, the reciprocating threaded rod is rotationally installed on the blackboard body, the blackboard body is provided with a dust suction opening, the dust suction opening communicates with a dust suction mechanism, and the dust suction mechanism comprises a dust suction cylinder arranged on the blackboard body; and a first one-way valve is arranged between the dust collection barrel and the dust collection opening, a sealing ring is slidably connected to the interior of the dust collection barrel, the sealing ring is in threaded connection with a threaded rod, and the threaded rod is connected with a reciprocating threaded rod through a transmission mechanism. The reciprocating threaded rod rotates to drive the cleaning brush, the transmission mechanism is in linkage with the dust suction mechanism, a negative pressure dust suction system is formed, dust generated in the wiping process is sucked in real time, and potential threats caused by dust flying to the health of teaching personnel and students are avoided.
Owner:SICHUAN WATER CONSERVANCY VOCATIONAL & TECH COLLEGE
Interactive teaching display device
The utility model discloses an interactive teaching display device, which relates to the technical field of teaching tools, and comprises a mounting box and a display board, the front and top of the mounting box are opened, the two sides of the front of the mounting box are fixedly connected with front baffles, and the two sides in the mounting box are fixedly connected with a plurality of groups of clapboards arranged at equal intervals. A plurality of groups of display boards are arranged, each group of display boards is arranged between two adjacent groups of partition boards in a sliding manner, each group of display boards comprises a white board body, the two sides of the white board body are fixedly connected with side boards in sliding fit with the partition boards on the two sides, and the upper end of the back face of the white board body is fixedly connected with a board wiping pad used for cleaning the white board body. And first fixing holes are formed in each group of partition plates. Due to the fact that the number of the whiteboard bodies is large, the whiteboard bodies recording important knowledge points can be erected at obvious positions such as a wall or a table top in the teaching process, and students with poor understanding ability can think continuously.
Owner:HEBEI VOCATIONAL & TECH UNIV OF SCI & TECH
Data analysis calculation board
The utility model discloses a data analysis calculation board, and relates to the technical field of calculation boards. The device comprises a U-shaped plate, the bottom of the U-shaped plate is provided with a support assembly for assisting the support assembly to move, a soft white board is laid on the front side of the U-shaped plate, the left side and the right side of the interior of the U-shaped plate are respectively provided with a winding assembly used for winding the soft white board, and the front side of the U-shaped plate is provided with a frame assembly used for fixing the soft white board. The frame body assembly is controlled to extrude and fix the soft white board again, at the moment, the surface of the soft white board located on the front side of the U-shaped plate is not written, a user can continue to write, the written part of the soft white board passes through the interior of the corresponding strip-shaped hole before being rolled, and therefore the soft white board is not prone to falling off. Due to the fact that the wiping assembly used for wiping the soft whiteboard is arranged in the strip-shaped hole, handwriting written on the surface of the soft whiteboard can be wiped away so as to facilitate later reuse, a user does not need to wait for a long time and wipe the panel in the process, and the use experience of the user is effectively improved.
Owner:白雪
A contrast learning device for marketing education
The application belongs to the field of teaching aids, and particularly relates to a contrast learning device for marketing teaching, which comprises a support frame, assembly plates fixedly connected to the four corners of the back of the assembly frame, a partition plate fixedly connected to the middle end of the inner wall of the support frame, and inner plates symmetrically installed on the two sides of the partition plate relative to the inner wall of the support frame, wherein the device further comprises a driving assembly, a turnover outer plate, a control assembly, a wiping assembly and a dust suction assembly, the driving assembly is installed on the partition plate, one end of the turnover outer plate is installed on the driving assembly, the outer surface of the turnover outer plate is in contact with the outer surface of the inner plate, the control assembly is installed on the turnover outer plate, the wiping assembly is installed on the support frame, and the dust suction assembly is installed on the back of the support frame. Thus, the problems of frequent manual replacement of display content, low cleaning efficiency and complicated operation of the traditional device are solved, and the problems of dust diffusion and pollution of the teaching environment during manual wiping and harm to the health of teachers and students are solved.
Owner:PUYANG PETROCHEMICAL VOCATIONAL & TECH COLLEGE
Writing display board
The utility model discloses a writing display board, and relates to the technical field of teaching equipment. Comprising a supporting column, a U-shaped frame arranged at the top end of the supporting column, a display board body arranged in the U-shaped frame in a sliding mode, a material collecting groove formed in the bottom end of the display board body and a telescopic assembly arranged between the bottom end of the display board body and the bottom wall of the U-shaped frame. By arranging the U-shaped frame, arranging the display board body in the U-shaped frame in a sliding mode and arranging the telescopic assembly between the U-shaped frame and the bottom wall of the display board body, the display board body can move up and down in the U-shaped frame under the action of the telescopic assembly, and then the height of the display board body is adjusted; the display board is suitable for users with different heights, so that the use flexibility of the display board is improved; and the collecting groove is formed in the bottom end of the display board body, so that the pencil shavings can be collected and prevented from directly falling onto the ground to pollute the ground.
Owner:长春科技学院
Human resource training device
The utility model discloses a human resource training device, which relates to the technical field of training devices and comprises a training assembly. According to the utility model, the servo motor is started to enable the threaded sleeve to drive the rotating rod to open towards the two sides, and the rotating rod drives the side auxiliary plates on the two sides to move out from the interior of the panel through the second connecting block, so that the writing range of workers is effectively expanded, and the training effect is indirectly improved; when the device is not used, the servo motor is rotated reversely to enable the auxiliary plates on the two sides to be retracted into the panel, the occupied area of the device is effectively reduced, the applicability is improved, when the auxiliary plates move towards the interior of the panel, characters written on the surfaces of the auxiliary plates are cleaned through the first erasing plate, meanwhile, the second erasing plate is pulled to move downwards, and the writing efficiency is improved. The second erasing plate is attached to the panel and descends to pull a rope, the rope pulls a balancing weight to ascend, the second erasing plate is sent away, the second erasing plate is driven to reset under the action of the balancing weight, meanwhile, the second erasing plate cleans characters on the panel, and direct use next time is effectively facilitated.
Owner:XINPENGYUAN INTELLIGENT EQUIP GRP
Conference room equipment for paperless office
The utility model belongs to the field of office equipment, and particularly relates to conference room equipment for paperless office. The technology comprises a vertically arranged multifunctional pen, the multifunctional pen comprises a first groove body and a second groove body which are distributed up and down, the groove bottom end of the first groove body is attached to the groove bottom end of the second groove body, a white board pen is arranged in the first groove body, a gap is reserved between the white board pen and the inner side wall of the first groove body, and a wiping rag is wound on the white board pen; a reset assembly used for driving the wiping rag to be recycled to the whiteboard pen is arranged between the wiping rag and the whiteboard pen, a through hole used for the movable end of the wiping rag to penetrate out is formed in the outer side wall of the first groove body, a check block is fixed to the portion, located on the outer side of the through hole, of the wiping rag, and an infrared emitter is arranged in the second groove body. According to the design, writing on the whiteboard is facilitated, content on the whiteboard or projected content can be guided through infrared rays, and meanwhile, the wiping rag can be conveniently pulled out to clear handwriting written by the whiteboard pen, and then the wiping rag can be stored in the first groove body through the reset assembly.
Owner:黄家紫
An easy-to-clean writing board
ActiveCN224276693Uavoid flyingavoid health hazardsBoard cleaning devicesWriting boardsElectric machineryPhysics
This utility model relates to the field of writing tablet technology and discloses an easy-to-clean writing tablet, including a writing tablet body. A connecting block is fixedly connected to the outer wall of the writing tablet body. A sliding block is fixedly connected to the outer wall of the connecting block. A support block is slidably connected to the outer wall of the sliding block. A support plate is fixedly connected to the lower surface of the support block. A motor is fixedly connected inside the connecting block. A gear is fixedly connected to the output end of the motor. A slide rail is fixedly connected to the inner wall of the connecting block. A sliding assembly is provided on the inner wall of the connecting block. The sliding assembly includes a second sliding block, a rack, and a scraper. The outer wall of the second sliding block is slidably connected to the inner wall of the connecting block. In this utility model, the motor drives the gear to rotate, causing the rack to drive the second sliding block to slide on the slide rail. The second sliding block drives the scraper to slide on the writing tablet body. Symmetrical scrapers are provided on both sides of the writing tablet body.
Owner:JINJIANG HONGSHUN CHILDRENS PROD CO LTD
Multifunctional teaching moving frame
The utility model relates to the technical field of teaching appliances, and discloses a multifunctional teaching moving frame which comprises a moving seat and a blackboard, a supporting mechanism is arranged in the moving seat and used for rapidly fixing the whole device, and a dust collection mechanism is arranged on the right side of the blackboard and used for collecting dust on the blackboard. The dust collection mechanism is used for cleaning generated chalk dust, and an adjusting mechanism is arranged at the top of the moving seat and used for adjusting the height of the blackboard. The supporting mechanism comprises a plurality of sliding wheels, and the tops of the multiple sliding wheels are installed at the four corners of the bottom of the movable base. According to the device, the electric push rod is started to drive the ejector block to be unfolded towards the two sides, the ejector block is inserted between the extrusion blocks, the extension block is driven to be unfolded towards the two sides, and the extension block can press the lifting plate downwards, so that the lifting plate slides downwards on the supporting column, and the device is rapidly supported.
Owner:山东电子职业技术学院
Utility holder for a metal whiteboard
A holder for utilities, for a metal whiteboard, includes a cover plate, which on a side hidden when in use, is provided with one or more supports, at least one of the free ends of which is provided with a magnet to be able to place the holder in a desired position on the whiteboard and whereby the cover plate on the same side hidden when in use, is provided with a brush with bristles made of an elastic polymer, said bristles being oriented with the bristle tops diagonally or perpendicularly to the surface of the whiteboard, whereby the edge of the cover plate shows a recess, the shape of which is complementary to the shape of a board eraser that can be positioned against the recess.
Owner:POLYVISION NV
Writing board for teaching
ActiveCN222451794Ureduce inhalationReduce the chance of inhaling chalk dustBoard cleaning devicesDirt cleaningHandwritingDrive shaft
The utility model discloses a writing board for teaching, and relates to the technical field of writing boards, the writing board comprises a main body and a dust removal mechanism, one side of the main body is provided with the dust removal mechanism, the dust removal mechanism effectively treats chalk dust surging after writing on the writing board is wiped, the probability that a user inhales the chalk dust is reduced, and a fan is started to drive air to flow; chalk dust enters the box body from the dust suction port, the dust filtering net reduces the situation that the chalk dust enters the fan to affect the use efficiency, the chalk dust is accumulated in the storage box and is conveniently pulled out and transferred, a user drives the supporting plate to move up and down along the C-shaped rod through the grip, and the C-shaped rod is limited through the limiting screw and the clamping groove of the main body; the driving motor drives the driving shaft to rotate, the sponge pad rotates along with the driving shaft to clean chalk handwriting on the writing board, the supporting rod is connected with the rolling wheel to provide enough supporting distance, the supporting plate and the main body are kept relatively parallel, the rolling wheel can slide conveniently, friction is reduced, and a balance supporting point is provided.
Owner:RUIJIN NO 2 MIDDLE SCHOOL
A movable fixing device for intelligent traffic warning equipment
The present invention discloses a movable fixing device for a smart traffic warning device, belonging to the technical field of fixing devices for traffic warning devices, comprising a base and a display, wherein rolling wheels are fixedly mounted at the four corners of the bottom of the outer surface of the base, an anti-damage standby device is arranged on one side of the outer surface of the base, a convenient disassembly and assembly device and a convenient adjustment device are arranged between the base and the display, a display screen is arranged on one side of the display, and the anti-damage standby device comprises a first L-shaped connecting rod and a painting structure. The movable fixing device for the smart traffic warning device, by providing the anti-damage standby device, enables the painting frame to move up and down under the action of the first threaded rod and the first screw hole block, thereby enabling the painted warning information on the painting frame to be seen by the passing car owner, thereby enabling the painting frame to play a temporary warning role in the event that the display and the display screen are damaged.
Owner:XINTANG XINTONG (ZHEJIANG) TECH CO LTD
Tactical training board
Owner:GUANGZHOU GAIA SPORTS GOODS CO LTD
Auxiliary teaching device for network teaching
PendingCN119116578AConvenient reviewEasy to recordBoard cleaning devicesWriting boardsWhiteboardSoftware engineering
The invention relates to the technical field of auxiliary teaching, in particular to an auxiliary teaching device for network teaching, which comprises a shell and a blackboard writing assembly, the blackboard writing assembly comprises a sliding frame, white boards, a threaded rod, a movable board, an erasing board, a locking component and a buffering component, when one white board is full of writing, a teacher unlocks the full white board and stores the full white board into the shell, and then pulls out the other white board for writing, so that the previously written blackboard writing can be stored, and the content of the previously written blackboard writing can be conveniently reviewed; after teaching is finished, all the sliding frames and the whiteboard are all stored in the shell, then the two threaded rods are rotated to drive the moving plate to move, the moving plate drives the erasing plate to move and abut against the whiteboard, in this way, in the next teaching process, a teacher pulls out the whiteboard, the erasing plate can brush the whiteboard from the surface of the whiteboard, and therefore handwriting on the whiteboard is erased.
Owner:CHONGQING NORMAL UNIVERSITY
Foreign language word dictation board
The utility model discloses a foreign language word dictation board, which comprises a main board, an intelligent operation screen and a removal eraser are arranged at the end part of the main board, the removal eraser can be disassembled and assembled relative to the main board, and the intelligent operation screen can move relative to the main board; an erasable writing board capable of being turned over is arranged above the main board, meanwhile, a bottom board is arranged below the main board, a supporting board is hinged to the upper portion of the bottom board, an inclined board is hinged to the lower portion of the free end of the supporting board, and the lower end of the inclined board is connected with the bottom board; the main board and the erasable writing board which can be placed on the desktop are arranged, learners such as students can sit on the bench to complete word dictation, a large amount of paper is avoided, meanwhile, the mode that the learners need to stand on the side edge of the whiteboard for a long time for dictation is changed, the body pressure of the students is reduced, and meanwhile the problems that an existing whiteboard is large in size and inconvenient to use are solved. The occupied space is large, and the life of family personnel is affected.
Owner:钱东瑶
English word splitting teaching device
The invention provides an English word splitting teaching device, and belongs to the technical field of English teaching aids. The English word splitting teaching device comprises a support, a frame is fixedly installed at the top of the support, a left rotating shaft and a right rotating shaft are rotatably installed on the outer walls of the two sides of the frame respectively, and the ends, close to each other, of the left rotating shaft and the right rotating shaft extend into the frame and are fixedly provided with the same regular hexagonal shaft; a plurality of hand levers are welded to the outer wall of the right rotating shaft, the regular hexagonal shaft is fixedly sleeved with a left regular hexagonal rod, the regular hexagonal shaft is slidably sleeved with a right regular hexagonal rod, a fixing pipe is fixedly installed at the end, away from the left regular hexagonal rod, of the right regular hexagonal rod, and the fixing pipe is rotationally sleeved with a rotating lantern ring; and a fixed arm is fixedly mounted at the bottom of the rotating lantern ring. The English word splitting teaching device has the advantages of being flexible, reliable and convenient to use, easy to operate and suitable for multiple occasions.
Owner:NANJING HONGXU EDUCATION TECHNOLOGY CO LTD
Writing board with eye protection function
The invention discloses a writing board with an eye protection function, which belongs to the technical field of environment-friendly teaching aids and teenager myopia prevention and control, and mainly comprises a blackboard, an electronic screen, tiny dust chalk and a blackboard purification dust collector, the blackboard has the characteristics of no glare and easiness in writing and erasing; the tiny dust chalk has the characteristics of no dust floating during writing and easiness in writing and erasing; the blackboard purifier main machine box body is connected with a blackboard brush head through a telescopic pipe according to the principles of vacuum mute dust collection, fine powder aggregation and centrifugal water film purification and is installed under a blackboard. The main machine has the advantages of being large in suction force, small in sound, high in plate surface cleanliness, high in purification precision, not prone to damage after fine dust PM2.5 is sucked and the like. Dust does not float during brushing, so that occupational diseases of teachers can be prevented; as the blackboard is brushed cleanly, the contrast effect of writing on the blackboard is good, eyes are not prone to fatigue, and myopia prevention and control are facilitated. The blackboard eraser has the advantages that occupational diseases of teachers can be prevented, myopia of students can be prevented, electronic products are prevented from being damaged by moisture when the blackboard is wiped with water, and the blackboard eraser is cost-saving and effective.
Owner:CHENGDU PEIYUAN TECH DEV