CN219544375U - Intelligent multimedia classroom blackboard - Google Patents

Abstract

The utility model discloses an intelligent multimedia classroom blackboard, which comprises a base, wherein a wallboard is fixed at the rear part of the base, two lifting mechanisms are arranged on the base, two supporting plates are connected to each lifting mechanism in a threaded manner, a blackboard is connected between each two supporting plates in a sliding manner, each blackboard can move left and right on the supporting plate, each lifting mechanism adjusts the height position of the corresponding blackboard through the corresponding supporting plate, two moving mechanisms are arranged on the base, two racks are fixed on the rear side of each blackboard, each moving mechanism controls the corresponding blackboard to move left and right through the corresponding racks, and a projection curtain is fixed in the middle position of each wallboard.

Description

Intelligent multimedia classroom blackboard

Technical Field

The utility model belongs to the technical field of multifunctional classrooms, and relates to an intelligent multimedia classroom blackboard.

Background

In the multifunctional classroom, a blackboard and a projector are often used, when the projector is used, the projector needs to be projected onto a curtain, and a projection curtain box is generally installed at the middle position of a wall.

In China, patent application number: 201921288016.1 an intelligent multimedia classroom blackboard comprises an installation strip and a supporting seat, wherein a supporting groove is formed in the top end of the supporting seat, a projection curtain box is installed at the center of the installation strip, a limiting groove is formed in the bottom of a part of the installation strip, which is provided with the projection curtain box, two sides of the bottom of the installation strip are provided with fixed blackboards, driving motors are installed at the two ends of the installation strip, adjusting screws are installed on output shafts of the driving motors, sliding blocks are installed on the adjusting screws, movable blackboards are installed at the bottom ends of the sliding blocks, movable structures are installed at three corners of the sliding blocks, each movable structure comprises movable wheel installation blocks, telescopic grooves are formed in the movable wheel installation blocks, clamping columns are installed in the telescopic grooves, and movable wheels are installed at the two sides of the outer parts of the movable wheel installation blocks. The utility model can write on the blackboard independently, can project and write on the blackboard simultaneously, and is more convenient to use, but the utility model can not adjust the height position of the blackboard according to the heights of students and teachers, and the students and the teachers often need to squat or stand on the foot when writing on the blackboard, which is inconvenient, therefore, it is necessary to design an intelligent multimedia classroom blackboard to solve the problems.

Disclosure of Invention

Aiming at the problems, the utility model provides an intelligent multimedia classroom blackboard for overcoming the defects of the prior art, and the utility model aims at: the blackboard eraser is convenient to operate, simple and practical, students or teachers with different heights can write on the blackboard conveniently, the use requirement of the blackboard and projection for use together is met, the function of erasing the blackboard is increased, and the burden of the students or the teachers is reduced.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model comprises a base, wherein a wallboard is fixed at the rear part of the base, two lifting mechanisms are arranged on the base, each lifting mechanism is connected with two supporting plates in a threaded manner, a blackboard is connected between each two supporting plates in a sliding manner, each blackboard can move left and right on the supporting plate, each lifting mechanism adjusts the height position of the corresponding blackboard through the corresponding supporting plate, two moving mechanisms are arranged on the base, two racks are fixed at the rear side of each blackboard, each moving mechanism controls the corresponding blackboard to move left and right through the corresponding racks, and a projection curtain is fixed at the middle position of each wallboard.

Preferably, each lifting mechanism comprises a first motor, each first motor is fixed with a first threaded rod on an output shaft of the first motor, each first threaded rod is in threaded connection with two corresponding support plates, and the other end of each first threaded rod is in rotary connection with the wallboard.

Preferably, each moving mechanism comprises a second motor, each second motor is fixed on an output shaft of the second motor, each second motor is provided with a sleeve rod in a sliding connection mode, each sleeve rod is connected with a plurality of cylinders in a rotating mode, each cylinder is attached to a corresponding blackboard, two flat gears are fixed on each sleeve rod, each flat gear is meshed with a corresponding rack, each sleeve rod penetrates through a corresponding supporting plate, and each sleeve rod is connected with the corresponding supporting plate in a rotating mode.

Preferably, each blackboard is provided with a third motor, each output shaft of the third motor is fixedly provided with a round rod, each round rod is fixedly provided with two first bevel gears, each first bevel gear is meshed with a second bevel gear, each second bevel gear is fixedly provided with a second threaded rod, two ends of the second threaded rod are rotatably connected with the blackboard, each second threaded rod is fixedly provided with a sliding block, each two blackboard brushes are fixedly arranged between the sliding blocks, and each blackboard brush is tightly attached to the corresponding blackboard.

Preferably, two long rods are fixed on the base, each long rod penetrates through the corresponding supporting plate to be fixed with the wallboard, and the long rods are used for improving stability when the supporting plate drives the blackboard to ascend or descend.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model can adjust the left and right positions of the blackboard through the moving mechanism, can move the blackboard when using projection, does not influence the use of the blackboard, can adjust the height position of the blackboard through the lifting mechanism, is convenient for students or teachers with different heights to write on the blackboard, is convenient for erasing words written on the blackboard through the third motor, the blackboard brush, the round bar, the first bevel gear, the second bevel gear, the sliding block and the second threaded rod, is convenient to use, and the whole device is equipment control and is convenient to use.

Drawings

FIG. 1 is a schematic perspective view of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the utility model in its unfolded state;

FIG. 3 is an enlarged schematic view of the utility model at A in FIG. 2;

fig. 4 is an enlarged schematic view of fig. 2B in accordance with the present utility model.

Reference numerals: 1-base, 2-wallboard, 3-elevating system, 4-backup pad, 5-blackboard, 6-moving mechanism, 7-rack, 8-projection curtain, 9-first motor, 10-first threaded rod, 11-second motor, 12-montant, 13-loop bar, 14-drum, 15-flat gear, 16-third motor, 17-round bar, 18-first helical gear, 19-second helical gear, 20-second threaded rod, 21-sliding block, 22-blackboard brush, 23-stock.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The following describes embodiments of the present utility model in further detail with reference to FIGS. 1-4.

In this embodiment, as shown in fig. 1 to 3, the utility model includes a base 1, a wallboard 2 is fixed at the rear of the base 1, two lifting mechanisms 3 are installed on the base 1, two support plates 4 are connected to each lifting mechanism 3 through threads, a blackboard 5 is connected between each two support plates 4 in a sliding manner, each blackboard 5 can move left and right on the support plate 4, each lifting mechanism 3 adjusts the height position of the corresponding blackboard 5 through the corresponding support plate 4, two moving mechanisms 6 are installed on the base 1, two racks 7 are fixed at the rear side of each blackboard 5, each moving mechanism 6 controls the corresponding blackboard 5 to move left and right through the corresponding racks 7, and a projection curtain 8 is fixed at the middle position of the wallboard 2.

In this embodiment, as shown in fig. 2, each lifting mechanism 3 includes a first motor 9, each first motor 9 has a first threaded rod 10 fixed on an output shaft of the first motor 9, each first threaded rod 10 is in threaded connection with two corresponding support plates 4, each other end of the first threaded rod 10 is rotationally connected with the wall plate 2, the first motor 9 operates to drive the first threaded rod 10 to rotate, and the first threaded rod 10 drives the support plates 4 to ascend or descend according to forward and reverse rotation of the motor output shaft.

In this embodiment, as shown in fig. 2-3, each moving mechanism 6 includes a second motor 11, each of the second motors 11 has a vertical rod 12 fixed on an output shaft of the second motor 11, each of the second motors is connected with a sleeve rod 13 in a sliding manner on the vertical rod 12, a groove is formed in the sleeve rod 13, the planar shape of the formed groove is the same as that of the upper part of the vertical rod 12, the sleeve rod 13 can move up and down on the vertical rod 12, when the vertical rod 12 rotates, the sleeve rod 13 rotates along with the vertical rod 12, each of the sleeve rods 13 is connected with a plurality of cylinders 14 in a rotating manner, each of the cylinders 14 is attached to a corresponding blackboard 5, each of the rear parts of the blackboard 5 is fixed with a convex plate, each of the supporting plates 4 is attached to the two convex plates, each of the cylinders 14 is attached to the corresponding convex plates, so that when the blackboard 5 moves up and down, each of the sleeve rods 13 moves up and down along with the corresponding blackboard 5, each of the sleeve rods 13 is fixed with two flat gears 15, each of the flat gears 15 rotates along with the vertical rod 12, each of the flat gears 15 rotates along with the corresponding rack 15, and the flat gears 15 drives the corresponding to the corresponding rack 13 to rotate, and drives the flat gears 15 to move along with the corresponding rack 7 to the corresponding rod 11 to the corresponding rod 4, and drives the flat rack 7 to rotate, and drives the flat rack 15 to rotate to move correspondingly to the corresponding rod 4 to the rod 4.

In this embodiment, as shown in fig. 2 and fig. 4, a third motor 16 is installed on each blackboard 5, a round bar 17 is fixed on an output shaft of each third motor 16, two first bevel gears 18 are fixed on each round bar 17, a second bevel gear 19 is meshed with each first bevel gear 18, a second threaded rod 20 is fixed on each second bevel gear 19, two ends of each second threaded rod 20 are rotatably connected with a blackboard 5, a sliding block 21 is screwed on each second threaded rod 20, a blackboard brush 22 is fixed between each two sliding blocks 21, each blackboard brush 22 is tightly attached to the corresponding blackboard 5, the third motor 16 operates to drive the corresponding round bar 17 to rotate, the round bar 17 drives the corresponding first bevel gear 18 to rotate, the first bevel gear 18 drives the corresponding second bevel gear 19 to rotate, the second bevel gear 19 drives the corresponding second bevel gear 20 to rotate, the second threaded rod 20 drives the corresponding sliding block 21 to move, and each blackboard brush 22 can move corresponding to the corresponding sliding block 21;

a plurality of switches are arranged near the blackboard 5 in a classroom, the switches can be forward and backward rotating switches with the model of HY2-15A, each switch is connected with a corresponding motor through a wire, one switch can be adopted to control two second motors 11 for the second motors 11 connected with the moving mechanism 6, the two second motors 11 turn reversely when the wires are connected, the two blackboard 5 are conveniently controlled to move in opposite directions through the moving mechanism 6, and when the two blackboard 5 are gradually far away, the projection curtain 8 on the wallboard 2 is exposed for use.

In this embodiment, as shown in fig. 1-2, two long rods 23 are fixed on the base 1, and each long rod 23 passes through the corresponding support plate 4 to be fixed with the wall plate 2, so as to improve stability when the support plate 4 drives the blackboard 5 to ascend or descend.

When the blackboard 5 is used, when a student or a teacher writes on the blackboard 5, the lifting mechanism 3 is controlled by the switch to adjust the height position of the blackboard 5, so that the student or the teacher can write conveniently, when the projection is used, the two blackboards 5 are moved to two sides by the switch control moving mechanism 6 to expose the projection curtain 8, when the projection is used, the teacher or the student can also adjust the height position of the blackboard 5, when the user needs to erase the characters on the blackboard 5, the blackboard brush 22 can be controlled to move by controlling the third motor 16, and the blackboard 5 is erased.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (5)

1. An intelligent multimedia classroom blackboard, includes base, its characterized in that: the rear portion of base is fixed with a wallboard, install two elevating system on the base, every equal threaded connection has two backup pads on the elevating system, every two equal sliding connection has a blackboard between the backup pad, every the blackboard all can be in the backup pad about the removal, every elevating system all adjusts the height position that corresponds the blackboard through the backup pad that corresponds, install two moving mechanism on the base, every the rear side of blackboard all is fixed with two racks, every moving mechanism all controls the blackboard that corresponds through the rack that corresponds and controls and move about, the intermediate position of wallboard is fixed with a projection curtain.

2. An intelligent multimedia classroom blackboard as claimed in claim 1, wherein: each lifting mechanism comprises a first motor, a first threaded rod is fixed on an output shaft of each first motor, each first threaded rod is in threaded connection with two corresponding support plates, and the other end of each first threaded rod is in rotary connection with a wallboard.

3. An intelligent multimedia classroom blackboard as claimed in claim 1, wherein: every moving mechanism all is including a second motor, every all be fixed with a montant on the output shaft of second motor, every equal sliding connection has a loop bar on the montant, every all rotate on the loop bar and be connected with a plurality of drums, every the drum all laminates with the blackboard that corresponds, every all be fixed with two flat gears on the loop bar, every flat gear all meshes with the rack that corresponds, every the loop bar all passes the backup pad that corresponds, every the loop bar all rotates with the backup pad that corresponds and is connected.

4. An intelligent multimedia classroom blackboard as claimed in claim 1, wherein: every all install a third motor on the blackboard, every all be fixed with a round bar on the output shaft of third motor, every all be fixed with two first helical gears on the round bar, every all mesh has a second helical gear on the first helical gear, every all be fixed with a second threaded rod on the second helical gear, every the both ends of second threaded rod all rotate with the blackboard to be connected, every equal threaded connection has a sliding block on the second threaded rod, every two all be fixed with a blackboard brush between the sliding block, every the blackboard brush is all hugged closely corresponding blackboard.

5. An intelligent multimedia classroom blackboard as claimed in claim 1, wherein: two long rods are fixed on the base, and each long rod penetrates through the corresponding supporting plate to be fixed with the wallboard and is used for improving stability when the supporting plate drives the blackboard to ascend or descend.