56results about How to "Increase writing area" patented technology

The invention discloses a teaching device for teacher education management. The device comprises a back plate; a support is rotationally installed in the back plate; first through grooves are symmetrically formed in two sides of the support; sliding blocks are slidably clamped in the first through grooves; an installation plate is rotationally connected between the sliding blocks on the two sides;a display screen is installed on the end surface of one side of the installation plate; a plurality of double-sided writing boards are installed on the other side; moving mechanisms for driving the sliding blocks are further arranged on the two sides of the support; and a lifting mechanism is arranged at the bottom of the back plate. When the teaching device for teacher education management is used for video teaching, the display screen can be rotated to the front surface, the distance between the display screen and the back plate can be adjusted according to actual requirements, and meanwhile, the double-sided writing board is pulled out from the lower part, so that writing assistance is facilitated; after video teaching is finished, the display screen is rotated and stored in the support, and then the support is folded into a containing groove, so that the display screen is hidden on the back of the double-sided writing board, and blackboard-writing teaching can be conducted; and all the double-sided writing boards can slide up and down along corresponding sliding grooves, so that teaching contents can be displayed conveniently, and the writing area is increased.

The invention discloses a music score writing demonstration board for music teaching and a use method thereof. The invention belongs to the technical field of teaching aids. The demonstration board comprises a demonstration board body and a writing board body. The demonstration board body comprises a shell with an opening and a transparent white board embedded at the opening of the shell; a lightreinforcing plate is arranged at the inner bottom of the shell; a plurality of partition plates are arranged in the shell; and a light adjusting mechanism is arranged between every two adjacent partition plates. The writing board body comprises an outer board body of a hollow structure. A support is arranged in the center of the interior of the outer plate body. Three groups of electromagnets aremounted on the support; and two extension writing boards are arranged on the left side and the right side of the electromagnet in the outer board body. Staff demonstration teaching can be convenientlyand rapidly carried out, the line spacing of staff can be conveniently adjusted, different use requirements are met, extended writing can be carried out, the use space is not occupied, and the application rate of the staff teaching aid is greatly improved.

The invention relates to a teaching appliance, in particular to a multifunctional blackboard. The multifunctional blackboard comprises an inner blackboard body and an outer blackboard body. The multifunctional blackboard is characterized in that the two sides of each blackboard body are inserted into a rail, baffles are arranged at the bottom of the rails, the two sides of the upper end of each blackboard body are each provided with a spring cotter, each rail is provided with a plurality of insertion holes matched with the spring cotters, and the back face of each blackbody body is fully covered with erasing bristles. The multifunctional blackboard has the advantages that the blackboard can be rapidly cleaned, chalk dust pollution is reduced, the writing area of the multifunctional blackboard is increased, use is convenient, and great convenience is brought to teaching work.

The invention provides a multifunctional teaching blackboard, and relates to the field of teaching facilities. The multifunctional teaching blackboard comprises a plate frame, a bottom plate and a push-pull plate surface, wherein three groups of layered fixing grooves are formed in the inner side wall of the plate frame, the bottom plate is fixed inside the plate frame through the fixing grooves,close to the side wall of the frame, on one side of the plate frame, a touch screen is fixed at the upper part of the middle bottom plate of the plate frame through the middle fixing groove, a gap isreserved between the touch screen and the bottom plate, magnetic drawing plates are arranged in the plate frame on the two sides of the touch screen, a sliding rail is transversely arranged in the fixing grooves in the plate frame on the upper portion of the touch screen, the push-pull plate surface is provided with two blocks which are arranged on the plate frame through the sliding rail, and a computer host is installed inside the hollow structure of the lower frame of the plate frame. According to the multifunctional teaching blackboard, the touch screen is installed in the middle of the plate frame, and the magnetic drawing plates are installed on the two sides of the touch screen, so that a traditional chalk plate is replaced, dust cannot be generated in the writing process, and the blackboard is environment-friendly and convenient to use.

A scroll-type Chinese teaching blackboard involved in the present invention includes a frame and a left scroll, the left scroll is arranged on the left side of the frame surface, and a right scroll is arranged on the right side of the frame surface, and the left scroll and the right scroll A writing surface is provided between them, and a left motor and a right motor are respectively provided on the top of the left reel and the right reel, and the left motor and the right motor are connected by wires, and a controller is provided on the wires, and the There is also a plug at one end of the electric wire, and the electric wire connects the controller to the left motor and the right motor, and the controller is arranged on the surface of the frame, and the back side of the writing surface is provided with a substrate, and the substrate The top is provided with an upper baffle, the bottom of the base plate is provided with a lower baffle, and the top of the lower baffle is provided with a dust accumulation groove on the top. The motor drives the rotating shaft to increase the writing surface of the blackboard, and the sliding blackboard eraser can be used once. It can clean the blackboard efficiently, and can effectively prevent chalk dust, which is very practical.

The invention discloses a louvered blackboard capable of cleaning automatically. The louvered blackboard comprises a blackboard strip, an outer frame, a blackboard overturning device and a blackboard cleaning device. The blackboard strip is arranged on the outer frame. The blackboard overturning device comprises a pull rod, an insulation piece, a small metal rod, a starting wheel and inserting holes. The backboard overturning device is arranged in the outer frame. The blackboard cleaning device comprises a blackboard eraser, an elastic steel strip, a button, an H-shaped shaft, a motor, a clockwork spring and a clockwork spring fixing frame. The blackboard cleaning device is arranged on the rear of the blackboard strip. Idler wheels arranged on the blackboard eraser can slide along an upper edge frame and a lower edge frame of the outer frame. The H-shaped shaft is arranged on a rotating shaft of the motor and can rotate along with the motor. The motor is arranged in a left edge frame. The clockwork spring is arranged in the clockwork spring fixing frame. A small ring is connected with the H-shaped shaft and the clockwork spring through the elastic steel strip. The button is arranged on the leftmost side in an upper sliding groove.

The invention discloses a portable primary school Chinese teaching board, which comprises a box body, the two ends of the bottom of the box body are hinged with the supporting legs through pin shafts, the inside of the box body is a cavity structure, and the inside of the cavity is provided with a rectangular frame, the two ends of the bottom of the rectangular frame are provided with telescopic connecting rods, and the telescopic connecting rods are fixedly connected with the base plate at the bottom of the cavity, the base plate is provided with a storage battery, and the rectangular frame is connected with a rectangular teaching board through a rotating shaft. The bottom of both sides of the rectangular teaching board is provided with rotating bars, the rotating bars are installed on the teaching board through self-locking screws, the upper end of the rectangular frame is provided with LED lights, and the top of the box is provided with a rectangular opening , the top of the rectangular frame is provided with a handle, and the present invention can write the contents of blackboard writing on the teaching board in advance, saves classroom time, can increase the interaction with primary school students, and improve the classroom learning effect of words.

The embodiment of the invention discloses an interactive teaching blackboard device which comprises an installation frame and an interactive teaching blackboard set. At least part of the installationframe is embedded in the wall body, and the interactive teaching blackboard set is installed on the installation frame. The interactive teaching blackboard set comprises a teaching blackboard area located at the upper half part, and an interactive blackboard area located at the lower half part. The teaching blackboard area comprises multiple side pulling plates, and the interactive blackboard areacomprises multiple sets of overturning plates. Each set of overturning plates at least include a first plate body and multiple second plate bodies connected to the first plate body in a hinged manner, and a baffle is perpendicularly formed on at least one side of each second plate body in an extending manner. The interactive teaching blackboard device has the beneficial effects that a multi-person synchronous interactive space is additionally arranged, a teacher teaching space is additionally increased, and the teaching quality and the teaching efficiency are improved.

The invention discloses a teaching board for an ideological and political education system. The teaching board comprises a framework and a support, wherein the support is located at the lower part ofthe framework; the framework is in a transverse Chinese character ''ri'' shape so that the framework can be divided into a left framework region and a right framework region; the left framework regionand the right framework region are adjustably and rotationally connected to a teaching board, and sliding grooves are oppositely formed in the inner side surfaces of the framework respectively for adjustable and rotatable connection; rubber rotating wheels are oppositely arranged on the two sides of the teaching board respectively, and the rubber rotating wheels are arranged in the sliding grooves and one ends of the rubber rotating wheels are connected to the teaching board; each rubber rotating wheel comprises a wheel framework and a rubber rolling wheel, wherein the front surface of the wheel framework is round, the side surface of the wheel framework is in a corrugated shape, and the rubber rolling wheel is in a spherical shape; and U-shaped baffles are arranged at the positions, corresponding to the rubber rotating wheels, of the outer side walls of the frameworks, and universal wheels are correspondingly arranged at four corners of the support. According to the teaching board, the certain-angle rotating and height adjustment of the teaching board is realized, and the applicability of the teaching board is improved.

The invention discloses a high-interactivity teaching board for Chinese teaching, and specifically relates to the field of Chinese teaching aids. A base is included, and a stand column is fixed to thetop end of the base through bolts. A plate body is fixedly arranged at the top end of the stand column; an inner frame is arranged at one end of the plate body; a drawing board is fixedly installed in the inner frame through an overturning assembly, a display screen and a spelling area are arranged on the side, located on the drawing board, of the outer side wall of the board body, a sliding groove is formed in the spelling area, two oppositely-arranged spelling boards are embedded in the sliding groove, and the stand column is connected with the board body through an adjusting mechanism. Theoverturning assembly comprises pin shafts fixedly installed on the inner side walls of the two sides, in the transverse direction, of the inner frame, and connecting rods are fixedly connected to theends, close to the drawing board, of the pin shafts. According to the invention, the teaching board is high in structural flexibility, and the display screen and the spelling boards are combined witheach other, so that the interactivity of Chinese teaching is improved, and the teaching board is favorable for being used in the Chinese teaching.

The invention relates to the technical field of office supplies, and discloses a mobile blackboard for conferences, which includes a hollow main board. Both sides of the main board are horizontally slidably connected with sub-boards. There is a vertical first adjustment slot on the board, and a support shaft vertically slidingly connected with the first adjustment slot is arranged on the sub-board; panels are fixed on both sides of the main board along its width direction, and cleaning boards are arranged on the panels The cleaning plate is horizontally slidably connected to the main board, a cavity is opened in the cleaning plate, a cleaning shaft is rotatably connected in the cavity, and a cleaning layer offset against the panel is fixed on the outer wall of the cleaning shaft. The invention has simple structure, can rapidly expand the area of ​​the main board, reduces the times of wiping the blackboard, and improves the writing efficiency of operators.