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66results about "Board cleaning devices" patented technology

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

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

An easy-to-clean writing board

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

Tactical training board

The utility model relates to the field of tactical training boards, in particular to a tactical training board which comprises a frame, a magnetic board, a transparent board and magnetic chess pieces. The magnetic plate is arranged in the middle of the frame, the two transparent plates are arranged on the two sides of the frame respectively, movable cavities are formed between the two transparent plates and the magnetic plate, and a plurality of magnetic chess pieces are movably arranged in the two movable cavities; the blackboard further comprises a blackboard pen, and a magnetic attraction part is arranged at the top end of the blackboard pen. According to the tactical training board, the magnetic chess pieces are located in the movable cavities, the magnetic chess pieces can be moved only when the magnetic part on the blackboard pen is matched with the magnetic chess pieces in an attraction mode, and in the tactical training explanation process, the problem that the magnetic chess pieces fall off and are lost due to accidental touch is avoided; meanwhile, the positions of the magnetic chess pieces do not interfere with erasing or drawing of tactical marks, and the tactical training explanation efficiency is improved; when the blackboard is not used and stored, the problem that magnetic chess pieces, pen brushes or blackboard pens are easily lost is solved.
Owner:GUANGZHOU GAIA SPORTS GOODS CO LTD

Intelligent blackboard capable of adjusting angle

The intelligent blackboard capable of adjusting the angle comprises a blackboard body and a bottom plate, the blackboard body is located at the top of the bottom plate, an erasing assembly is installed at the top of the blackboard body, and the same supporting assembly is installed between the blackboard body and the bottom plate; the erasing assembly comprises two mounting plates detachably mounted at the tops of the outer walls of the two sides of the blackboard body, a same lead screw is rotationally connected between the two mounting plates, the lead screw is sleeved with a mounting block in a threaded mode, a horizontally-arranged limiting rod is fixedly connected between the two mounting plates, and the limiting rod is slidably sleeved with the mounting block. According to the blackboard, the erasing assembly is arranged, so that the surface of the blackboard body can be rapidly and comprehensively cleaned when needed, the labor intensity of teachers is greatly reduced, and the teachers do not need to be close to the blackboard and can be prevented from inhaling dust to affect the body health.
Owner:HENAN RUIZHICHUANG ELECTRONIC TECH CO LTD

Multifunctional blackboard

The utility model provides a multifunctional blackboard which comprises an installation frame, one side of the installation frame is fixedly connected with a display screen and a fixed blackboard, one side of the installation frame is connected with a cleaning assembly in a sliding mode, the middle of the installation frame is fixedly connected with an air suction opening, and the two sides of the air suction opening are fixedly connected between the display screen and the fixed blackboard. The air outlet end of the exhaust inlet is fixedly connected with a ventilation pipe, one end of the ventilation pipe is fixedly connected with an air outlet, the inner side of the air outlet is fixedly connected with a plurality of silent fans, and the air outlet end of the air outlet faces the display screen host end; sliding grooves are formed in the upper side and the lower side of the mounting frame, and movable blackboards are slidably connected to the inner sides of the sliding grooves. Through linkage operation of an air suction opening and a silent fan, floating chalk dust is actively adsorbed when a blackboard is erased, the chalk dust is filtered through a ventilation pipe and then treated in a centralized mode, and meanwhile airflow is used for cooling a host part of a display screen; dust pollution is effectively reduced, electronic components are prevented from being overheated, and teaching environment health and equipment protection are both considered.
Owner:HEBEI HAIBU SPORTING GOODS CO LTD

Multimedia education and teaching device

The application relates to the technical field of teaching aids, and provides a multimedia education and teaching device, which comprises a multimedia display system and a platform control system, wherein the multimedia display system comprises a blackboard unit, a multimedia screen and a first wireless communication module; the first wireless communication module is used for receiving control instructions and image information of the platform control system; the blackboard unit comprises a frame assembly and a plurality of blackboard plates; the frame assembly has a mounting area and a storage area; the multimedia screen is fixedly mounted on the mounting area; the inner frame bottom wall of the frame assembly is fixed with a sliding track; one of all the blackboard plates is arranged as an edge plate; the edge plate is movably arranged in the storage area; and the remaining blackboard plates are respectively slidably mounted on the sliding track. Based on the above, the multimedia screen with a larger size can be mounted by collectively storing the blackboard plates on one side of the blackboard unit, so that students in the back row can clearly see the content displayed on the multimedia screen.
Owner:MINNAN INST OF SCI & TECH

A portable hand-writing communication board

The utility model discloses a portable handwriting communication board, including the board frame, one side installation of board frame in winding assembly, winding assembly includes the reel, scroll spring, reel and installation cavity, and the reel outside is wound with writing tape, and the free end of writing tape is connected with extension assembly, and extension assembly includes the accommodation cavity, extension pull plate, cross lock bolt and pull handle. Advantageous effect lies in: the utility model discloses a winding assembly and extension assembly are installed on the board frame, so that the handwriting communication board can realize the increase of writing area according to the actual use needs of user when using, so that the language barrier user can express the thought completely in the communication, and the language barrier user and other people's smooth communication are convenient, make the handwriting communication board more flexible, and the use effect is better.
Owner:HUNAN HAIHONG MEDICAL TECH CO LTD

Article classifying and placing device for clinical respiration professional administrative management

The utility model relates to the technical field of article placement, and discloses an article classification placement device for clinical respiration professional administrative management, which comprises a placement cabinet and a storage box arranged above the placement cabinet, and two writing components and a cabinet-side storage component are arranged on one side of the placement cabinet and used for storing articles such as a stethoscope, a flashlight and a tongue depressor; the writing assembly comprises a cabinet door, one side of the cabinet door is fixedly connected with an iron plate and a writing board, the writing board is arranged below the iron plate, one side of the iron plate is provided with a plurality of magnetic buckles, and one side of the writing board is fixedly connected with a fixing rod; the storage assembly comprises a row of storage racks and a plurality of storage boxes, and in addition, through the arrangement of the adjusting assembly, the function of conveniently adjusting transverse partition plates in the storage cabinet for classified placement of articles is added. According to the utility model, writing and storage are facilitated, and space is fully utilized for information display, so that administrative management or clinical information transmission is facilitated, and the communication efficiency of teams in the clinical respiration major is improved.
Owner:THE WEST CHINA SECOND UNIV HOSPITAL OF SICHUAN

Multi-color dry-erase marker apparatus and inserts

Devices for writing and dry erase marker(s) with integrated eraser(s), insert(s) associated therewith, and a method for making and / or using the same can be provided. The device can include a body comprising an aperture and a release button, and a plunger cartridge assembly provided in the body. The plunger cartridge assembly can be configured to be deployed through the aperture and retracted by pressing the release button. The plunger cartridge assembly can also be removable from the body by pressing the release button when in a retracted position.
Owner:EMS MINDREADER LLC

Multifunctional teaching aid

The utility model discloses a multifunctional teaching aid. The multifunctional teaching aid comprises a base; the limiting cover shell is movably arranged on the base, and a containing groove used for containing a blackboard eraser is formed in the limiting cover shell; the cleaning box body is movably arranged on the base; the blackboard eraser is movably arranged on the placing groove, and the blackboard eraser comprises a sponge and an extrusion structure which is arranged on the sponge and can extrude the sponge; the chalk storage box is arranged on one side of the base and used for containing chalks, and a chalk taking mechanism capable of sending the chalks out of the chalk storage box is further arranged in the chalk storage box. Through cooperative arrangement of the limiting cover shell and the cleaning box body, after the blackboard eraser is placed in the cleaning cavity to be cleaned and water is squeezed through the squeezing structure, the blackboard eraser is placed on the containing groove to be automatically aired, the water flowing out of the blackboard eraser can also automatically drip into the cleaning box body, the situation that sewage flies around is avoided, and the blackboard eraser is clean and tidy; meanwhile, the chalk storage box is arranged to replace an original paper box body, chalk storage is more convenient, and practicability and convenience are achieved.
Owner:万付银

A contrastive explanation board for Chinese education

The application relates to the technical field of teaching aids, in particular to a contrast explanation board for Chinese education for foreigners, which comprises a bottom shell, a fixed plate is welded on the side wall of each rotating disc, a sliding rail is welded between every two adjacent fixed plates, two movable plates are slidably arranged on each sliding rail, a second spring is arranged around each sliding rail, a connecting rod is welded between every two adjacent movable plates, and a partition plate is welded between every two adjacent connecting rods. The device is configured with movable partition plates at the bottom of the writing board to form a precise suction air flow field in cooperation with a negative pressure fan, so that dust scattered in the writing process can be efficiently captured. In view of the problem that chalk heads and chalk fragments may be stuck in the gap between adjacent partition plates during the reset stage of the partition plates, the automatic cleaning of the stuck sundries can be realized by the self-driving characteristics of the mechanical structure, so that the device can adapt to harsh working conditions with high dust, and has practicability and economy.
Owner:SHANDONG UNIV OF FINANCE & ECONOMICS

Novel chalk groove structure

The utility model discloses a novel chalk groove structure which comprises a chalk groove mechanism, the chalk groove mechanism is arranged below a blackboard, the chalk groove mechanism comprises a fixed part and a movable part, the fixed part is fixedly connected below the blackboard, and the movable part is arranged on the fixed part in a crossing mode and connected with the fixed part through an elastic part. The fixing piece comprises a first fixing shell and a second fixing shell, and the first fixing shell and the second fixing shell are symmetrically arranged below the two ends of the blackboard in the length direction. The movable part comprises a first movable shell and a second movable shell; the first movable shell and the second movable shell are symmetrically arranged between the first fixed shell and the second fixed shell, one end of the first movable shell is placed in the first fixed shell, one end of the second movable shell is placed in the second fixed shell, the other end of the first movable shell and the other end of the second fixed shell are oppositely arranged, and the bottoms of the ends of the first movable shell and the second movable shell are connected through a hinge; elastic pieces are connected between the first fixed shell and the first movable shell and between the second fixed shell and the second movable shell.
Owner:黄月芝

A portable word memory card for English learning

The utility model relates to a portable word memory card for english learning, aims at solving the problem of single function, lacking interactivity and poor memory effect of the existing english learning tool. The device includes shell body, transmission belt, transmission roller, cleaning roller and knob. The shell body is in the shape of a cuboid, hollow inside, used for accommodating other components. The transmission belt is installed inside the shell body, made of transparent material, and the outer surface can be used for direct drawing and marking with a pen, which is convenient for temporary memory. The transmission roller is arranged inside the shell body and connected with the transmission belt. The transmission roller can drive the transmission belt to rotate by rotating the knob. The cleaning roller is arranged at both ends of the shell body and closely attached to the transmission belt, used for cleaning the smearing marks on the surface of the transmission belt to achieve corrosion prevention. The device provides an efficient, convenient and durable english learning aid through the synergistic effect of various components, which can effectively help users to remember words and improve learning efficiency.
Owner:李伟伟

Double-drum cloth rolling tension spring type blackboard eraser

The utility model discloses a double-cylinder cloth rolling tension spring type blackboard eraser, which comprises a first cylinder body, a second cylinder body, a tension spring and a strip wiping rag, the cross section of the first cylinder body is circular, the cross section of the second cylinder body is circular, or the shape of the combination of a plurality of circles, protruding columns are arranged at the center positions of the two ends of the first barrel and the center positions of the two ends of the second barrel, the protruding columns at the same ends of the first barrel and the second barrel are connected through a tension spring, the two ends of the long-strip-shaped wiping cloth are wound around the first barrel and the second barrel respectively, and under the tension effect of the tension spring, the two barrels are attached to each other and clamp the long-strip-shaped wiping cloth. According to the blackboard eraser, when rolled cloth is wound, only one barrel body needs to rotate along the surface of the other barrel body, the tension spring does not need to be drastically pulled for multiple times, overall operation is convenient and smooth, fatigue deformation of the tension spring is reduced, flying dust can be reduced, and health is guaranteed; the blackboard eraser is convenient to disassemble and clean, simple in structure, long in service life, low in production cost and beneficial to market popularization.
Owner:FUYANG NORMAL UNIVERSITY

Modularized history teaching auxiliary teaching aid

The invention relates to the technical field of teaching aids, and discloses a modularized history teaching auxiliary teaching aid, which comprises an outer shell, a demonstration assembly is arranged in the outer shell, the demonstration assembly comprises a lining shell, a circulating belt and two driving rollers, and writing can be performed on the circulating belt through a magnetic pen; the teaching aid further comprises a plurality of demonstration boards. An eliminating assembly is arranged in the outer shell and used for eliminating writing marks on the circulating belt. Through the arrangement of the demonstration assembly, the circulating belt can realize global magnetic writing, through cooperation with the adsorbable prefabricated demonstration board, the visual circulating display of historical dynasty, events and maps is realized, the writing time of blackboard writing is reduced, the continuous and modularized display requirements of historical teaching are met, and compared with traditional chalk writing, the magnetic writing mode has the advantages that the teaching efficiency is improved, and the teaching efficiency is improved. Consumable materials are saved, the influence of dust on users is avoided, and the teaching process is more environmentally friendly and healthy.
Owner:NANAN IND SCHOOL

Magnetic drawing board

The utility model provides a magnetic drawing board which comprises a frame body, a display assembly arranged on the frame body, a painting brush installed on one side of the frame body and an erasing assembly arranged on the frame body and used for erasing patterns. The erasing assembly comprises a sliding piece arranged on the frame body in a sliding mode, an erasing piece installed in the frame body and connected with the sliding piece, and a guiding piece installed on the frame body and used for guiding the erasing piece. The guide piece comprises a fixed keel installed on the frame body and a guide sliding strip installed on the keel and used for guiding the erasing piece. According to the magnetic drawing board, the sliding piece is limited through the guide sliding strip, so that the sliding piece is prevented from falling off or being blocked in the erasing process, and erasing is smoother; the fixed keel and the guide sliding strip ensure that the motion trail of the erasing part is accurate, offset and instability are avoided, and the reliability of the erasing effect is improved.
Owner:HUIZHOU SAIEN MAKER TECH CO LTD

Liquid spraying blackboard eraser

A liquid spraying blackboard eraser comprises a shell and a liquid spraying bottle installed in the shell. The shell comprises an upper cover and a base which are connected with each other, and an open slot is formed in one side of the upper cover; a quick release structure is arranged between the side, provided with the opening groove, of the upper cover and the base, the quick release structure comprises a push button which is arranged in the opening groove in a sliding mode, and the push button comprises a limiting part; the limiting step is arranged on the upper cover and located in the opening groove; the push button can slide to an unlocking position or an initial position; when the push button is located at the initial position, the limiting part of the push button is located above the limiting step and abuts against the limiting step so as to prevent the upper cover from being separated from the base. And when the push button slides to the unlocking position, the limiting part of the push button is separated from the limiting step, so that the upper cover can be separated from the base. The liquid spraying blackboard eraser is convenient to disassemble and not prone to damage.
Owner:DELI GROUP CO LTD

Intelligent self-cleaning blackboard

The invention discloses an automatic blackboard cleaning device, and belongs to the technical field of intelligent teaching equipment. The device comprises a blackboard body, a cleaning mechanism, a dust collecting system and a control unit. The blackboard body is made of flexible materials and can rotate through rotation of an upper guide wheel and a lower guide wheel, the writing area is increased, the cleaning mechanism comprises a speed-adjustable rotating brush, a high-pressure micro-mist nozzle and a water scraping plate, and the dust collecting system adopts the negative pressure adsorption and HEPA filtering technology. The intelligent control unit can automatically rotate the blackboard and clean the blackboard, and can also rotate the blackboard through the switch button and select whether the blackboard is cleaned or not. Full automation of blackboard cleaning is achieved, dust pollution is remarkably reduced, and the technical problems that a traditional blackboard is low in cleaning efficiency and much in residual dust are solved.
Owner:张亚辉

Automatic blackboard erasing device and method

The invention discloses an automatic blackboard groove cleaning device and method. The automatic blackboard groove cleaning device comprises a main machine, a power transmission system, a supporting walking mechanism and a multi-mode control module. A battery is arranged in the host, and a cleaning sponge is arranged below the host and is embedded into a blackboard groove; the power transmission system comprises a motor, a gear transmission set and a driving wheel, the top of a motor shell is connected with the host through a connecting frame, the output end is connected with the driving wheel through the gear transmission set, and the driving wheel is attached to the outer side wall of the blackboard groove after installation. The supporting walking mechanism comprises a supporting arm and an unpowered auxiliary wheel, one end of the supporting arm is connected with the bottom of the motor shell, the other end of the supporting arm is connected with the unpowered auxiliary wheel, and the unpowered auxiliary wheel is attached to the wall below the blackboard groove after installation. The multi-mode control module is integrated on the host and comprises a timing control unit, a manual control unit and a foreign body sensing unit; during use, the motor drives the cleaning sponge to wipe in the groove back and forth. Manual low-efficiency operation is replaced, multi-mode intelligent cleaning is achieved, the cleaning precision and effect are improved, and the energy consumption and scene adaptability is optimized.
Owner:林宏骏 +1

Wet and dry dual-purpose blackboard eraser

The utility model relates to a wet and dry dual-purpose blackboard eraser, which aims to solve the technical problems that the existing blackboard eraser remains too much water stain after being dipped in water and the waiting time is long, and adopts the technical scheme that the wet and dry dual-purpose blackboard eraser comprises a blackboard eraser cover, a middle plate, a wet wiping module and a dry wiping module, and the wet wiping module and the dry wiping module are fixedly arranged in the middle of the top surface and the bottom surface of the middle plate; the top surface and the bottom surface of the middle plate are provided with buckles, and the eraser cover is clamped with the middle plate through the buckles; the dry wiping module comprises a base and a dry wiping layer, the base is fixedly arranged on the top surface of the middle plate, and the dry wiping layer is arranged on the top surface of the base; the wet wiping module comprises a water storage bin and a wet wiping layer, the water storage bin is arranged on the bottom face of the middle plate, a fixing groove is formed in the bottom face of the water storage bin, the wet wiping layer is arranged in the fixing groove, a water injection knob is arranged on one side of the water storage bin, a pump head is arranged on the other side of the water storage bin, and water seepage holes are evenly formed in the bottom face of the fixing groove. The blackboard eraser can be used in a dry and wet mode, the dry wiping layer and the wet wiping layer are convenient to switch, and the blackboard eraser cover can be rapidly assembled and disassembled.
Owner:SHANXI UNIV

Interaction device for college Chinese teaching

The invention relates to the field of teaching devices, and discloses an interaction device for college Chinese teaching. The display device comprises a display plate and a bottom plate, an inclined groove is fixedly formed in the surface of one side of the bottom end of the display plate, a guide groove block is fixedly connected to one end of the inclined groove, a collection box is movably arranged below the guide groove block, and two T-shaped sliding blocks are fixedly arranged on the surface of the top end of the collection box; two T-shaped sliding grooves corresponding to the T-shaped sliding blocks are formed in the surface of the bottom end of the guide groove block, a blocking rod is movably arranged on the surface of one side of the guide groove block through a rotating rod, an inclined groove in the bottom end of the display board guides chalk dust to slide down, the guide groove block guides the dust into a collecting box, centralized collection is achieved, the T-shaped sliding blocks are matched with the T-shaped sliding grooves, and therefore the dust can be conveniently collected. Meanwhile, a rotating rod is matched with a blocking rod, so that the collecting box can be prevented from falling off accidentally; a user starts the electric push rod to drive the lifting column to lift so as to change the height of the display board.
Owner:承德应用技术职业学院

Classified statistical recording device for engineering cost

The utility model discloses a classified statistical recording device for construction cost, which comprises a file box, a plurality of sliding chutes are arranged in the file box, and statistical recording plates are arranged in the sliding chutes in a sliding manner. According to the classified statistical recording device for the project cost, through the arrangement of the statistical mechanisms, the recording table board and the erasable handwriting board, a pointer is pulled to slide on a columnar ruler according to various data of the project cost, a magnet strip is used for positioning the pointer, and the five statistical mechanisms can respectively count and record the proportions of different projects in the whole project cost; personnel can watch data more visually, the recording table board is used for recording specific statistical data, and the erasable handwriting board is used for annotating the data, so that the effect of classifying, counting and recording various data of the construction cost is achieved, recording is more visual and comprehensive, the device can be reused, and expenditure is saved.
Owner:李乐

Surgical examination item prompting device for patient

The invention relates to the technical field of prompting devices, in particular to a patient operation examination item prompting device. Comprising a fixing frame, a display white board is installed in the fixing frame, a motor is fixedly connected to the outer wall of the fixing frame, a lead screw is fixedly arranged at the output end of the motor, the outer wall of the lead screw is rotatably connected to the interior of the fixing frame, a connecting plate is in threaded connection with the outer wall of the lead screw, and a limiting column is slidably connected to the interior of the connecting plate. According to the patient operation examination item prompting device, a motor is started to drive a lead screw to rotate, when the lead screw rotates, a connecting plate can be driven to slide on the outer wall of a limiting column, meanwhile, a display white board can be automatically erased through cooperation of a sliding frame, a white board eraser, a telescopic frame and a first spring, and the operation examination item prompting device is convenient to use. In addition, through mutual cooperation of a limiting plate, a connecting block, a clamping plate, a rotating plate, a limiting ring, a sliding plate and a second spring, one or some display whiteboards can be accurately selected to be erased, and the whiteboards can be automatically and accurately erased.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY

Semi-automatic dust-sticking blackboard eraser

The invention relates to the technical field of teaching aids, in particular to a semi-automatic dust-sticking blackboard eraser which comprises a main supporting frame, the left end of the main supporting frame is movably connected with a dust-sticking roller, the front end of the middle of the main supporting frame is movably provided with a shifting rod mechanism, and the right end of the front face of the main supporting frame is fixedly provided with a handle. A left rear supporting wheel and a right rear supporting wheel are arranged at the right end of the main supporting frame, and a waste paper storage roller is rotationally installed on the left wall face of the blackboard through a bearing seat. The semi-automatic dust-sticking blackboard eraser is free of a power source, high voltage and noise and suitable for being used in a child intensive environment, the dust-sticking roller can be selectively separated from the surface of a blackboard in the pushing process, so that local handwriting is reserved, and the technical problem that a traditional manual blackboard eraser cannot accurately control an erasing area is solved; a waste paper storage roller with a manual storage wheel handle is integrated on the left side of the device, used dust-sticking paper tapes are wound and stored in a centralized mode, secondary flying of dust is avoided, follow-up unified recycling treatment is facilitated, and the resource utilization rate is increased.
Owner:SHIHEZI UNIVERSITY

Interactive English teaching blackboard device

The invention discloses an interactive English teaching blackboard device, and relates to the technical field of English teaching, the interactive English teaching blackboard device comprises an electronic blackboard body, and one side of the electronic blackboard body is provided with a cleaning mechanism; the cleaning mechanism comprises a cleaning unit, and the cleaning unit is arranged on one side of the electronic blackboard body. The cleaning mechanism further comprises a static electricity removing unit, the static electricity removing unit is arranged on the surface of the cleaning unit, the static electricity removing unit and the cleaning unit are used in cooperation, and according to the interactive English teaching blackboard device, the cleaning unit and the static electricity removing unit are arranged to be used in cooperation, so that the purpose of non-contact cleaning can be achieved; when the screen of the electronic blackboard needs to be cleaned, direct contact cleaning with the surface of the screen is not needed, the screen of the electronic blackboard is protected, the surface of the screen of the electronic blackboard cannot be scratched due to cleaning, the definition of the screen of the electronic blackboard in subsequent use is guaranteed, and the service life of the screen is prolonged.
Owner:SHENYANG NORMAL UNIV