183results about "Board cleaning devices" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

The present application provides a scraping device and a scraping assembly, the scraping device comprising: a scraping member (10) connected to a body (30) of the scraping device; a posture adjustment assembly (20) for adjusting the posture of the scraping member (10), so that when the scraping device reciprocates to scrape the surface to be cleaned, the scraping member (10) is always in an inclined position relative to the moving direction, and the first end (11) of the scraping member (10) is always located at the front side of the moving direction relative to the second end (12); wherein the first end (11) is one end of the scraping member (10) along the length direction, and the second end (12) is the other end of the scraping member (10) along the length direction. The scraping device provided by the present application has higher cleaning efficiency.

The invention provides intelligent interactive learning equipment and system for education and teaching, and relates to the technical field of education and teaching. The intelligent interactive learning equipment for education and teaching comprises a table top and a bottom frame, an interactive machine body which is subjected to lifting adjustment through a lifting mechanism is arranged in the bottom frame, a fixing rod which reciprocates up and down through a first reciprocating mechanism is arranged in the interactive machine body, and first racks are fixedly connected to the two ends of the fixing rod; first gears are connected to the outer sides of the two first racks in a meshed mode, swing arms are fixedly connected to the outer side walls of the first gears, a second rack reciprocating left and right through a second reciprocating mechanism is arranged in the upper portion of the interaction machine body, and a second gear is connected to the side face of the second rack in a meshed mode; the middle of the second gear is fixedly connected with a rotating rod, and the upper end of the rotating rod is fixedly connected with a decoration head. The method has high flexibility and interactivity.

The intelligent blackboard eraser comprises a first shell and a second shell, the second shell is of a hollow square structure, a circular through hole is formed in the top face of the second shell, a fan is arranged at the position of the circular through hole, the inner wall of the circular through hole is detachably connected with a rear cover, and ventilation holes are formed in the side wall of the second shell; the second shell is detachably connected with the first shell, the first shell is of a square structure with an open upper end and a hollow interior, a protective shell is arranged in the first shell, a control module and a vibration motor are arranged in the protective shell, and the protective shell is detachably connected with the first shell; the control module comprises a controller, an attitude sensor, a voice module and a driving circuit; a felt plate is arranged on the bottom surface of the first shell, and the felt plate is detachably connected with the first shell; and a plurality of curved air ducts are arranged between the first shell and the second shell. The dust collection power is adjusted along with the wiping speed, the function of switching on and switching off is achieved according to voice instructions, and use is convenient.

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.

The utility model relates to the technical field of teaching aids, and discloses an adjustable convenient-to-disassemble teaching aid for teaching, which comprises a base and a mounting plate, the two sides of the upper part of the mounting plate are fixedly connected with mounting rods, the exteriors of the two mounting rods are fixedly connected with a placing plate, and a writing board is mounted in the placing plate. Mounting blocks are fixedly connected to the front sides of the exteriors of the placing plates, an L-shaped plate is fixedly connected to the right side of the upper part of each placing plate, a motor is fixedly connected to the interior of each L-shaped plate, a lead screw is fixedly connected to the output end of each motor, and the lead screws are rotatably connected to the interiors of the two mounting blocks on the right side. According to the blackboard, the writing board is convenient to clean, the problem that a teaching worker needs to manually clean the writing board in the prior art is solved, meanwhile, the cleaning brush is convenient to replace, the cleaning brush can keep a good cleaning effect by regularly replacing the cleaning brush, and the cleaning effect is improved.

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.

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.

The invention provides a blackboard eraser with a self-dust-collection function, which comprises a frame body, an annular sealing plate is fixed on the frame body, the frame body is connected with a limiting assembly, the frame body is connected with a blackboard eraser assembly, the blackboard eraser assembly is connected with the limiting assembly, and the blackboard eraser assembly comprises a base, a telescopic piece, a first spring and a blackboard eraser body. A sealing convex body is fixed on the blackboard eraser body and is matched with the annular sealing plate; the frame body is connected with a dust collection assembly, and the dust collection assembly comprises a rotating motor and fan blades. Fan blades are driven by a rotating motor to rotate, so that air in the frame body is conveniently discharged, meanwhile, external air enters the frame body through a gap between a sealing convex body and an annular sealing plate, chalk dust is brought into the frame body, the dust collection function is achieved, the blackboard eraser body is reset through the elastic force of a first spring, and the dust collection effect is improved. Therefore, the sealing convex body is matched with the annular sealing plate, sealing is achieved, and dust in the frame body is prevented from returning to the outside.