CN216331096U

CN216331096U - Intelligent teaching blackboard with wireless screen projection function

Info

Publication number: CN216331096U
Application number: CN202122507157.1U
Authority: CN
Inventors: 许多; 许阳珣; 陈倬昱
Original assignee: Shenzhen Weidoo High Tech Co ltd
Current assignee: Shenzhen Weidoo High Tech Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-04-19
Anticipated expiration: 2031-10-18

Abstract

The utility model discloses an intelligent teaching blackboard with a wireless screen projection function, which relates to the field of intelligent teaching blackboards and comprises a frame, wherein a screen projection plate is arranged in the frame, two groups of lifting plates are slidably connected inside the frame at two sides of the screen projection plate, a collecting frame extending to the bottom end of the frame is arranged at one side of the lifting plates inside the frame, an air plate is arranged inside the collecting frame, limiting frames are fixed on the outer walls of the two sides of the frame, a weighting block is slidably connected inside the limiting frames, a steel wire rope extending to the outer side of the top end of the limiting frame is arranged at the top end of the weighting block, and a wiping strip is slidably connected on the inner wall of the frame at the front side of the lifting plates. According to the utility model, the lifting plate, the friction strip, the steel wire rope, the limiting frame, the weighting block and the rotating rod are matched with each other, so that the lifting plate is lowered to a proper height, students and teachers with different heights can write on the upper half part of the lifting plate, and the convenience of a blackboard is improved.

Description

Intelligent teaching blackboard with wireless screen projection function

Technical Field

The utility model relates to the field of intelligent teaching blackboards, in particular to an intelligent teaching blackboard with a wireless screen projection function.

Background

The black clipboard is not used to the teaching of teaching not special finger, and it is the plane board that can write repeatedly to say in the traditional meaning, and the face is hard, along with the continuous improvement of teaching level, and the intelligent teaching blackboard is large-scale to be applied to the teaching.

However, when the intelligent teaching blackboard is used for removing chalk dust, a large amount of time is consumed, a large amount of chalk dust floats around the platform, the health of students is threatened, and furthermore, when the students write learning materials on the blackboard, the first half of the blackboard can be written by the students needing to step on the seat, and certain potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model aims to provide an intelligent teaching blackboard with a wireless screen projection function, so as to solve the technical problems that in the prior art, the time consumed for wiping chalk powder on the outer wall of the blackboard is long, and the writing on the upper half part of the blackboard is inconvenient.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an intelligence teaching blackboard with wireless screen projection function, includes the frame, the internally mounted of frame has the screen panel of throwing, the inside sliding connection that the both sides of throwing the screen panel are located the frame has two sets of lifter plates, one side that the inside of frame is located the lifter plate is equipped with the collection frame that extends to the frame bottom, the inside of collecting the frame is provided with the gas board, the both sides outer wall of frame is fixed with spacing frame, the inside sliding connection of spacing frame has the weight, the top of weight is equipped with the wire rope that extends to the outside of spacing frame top, the inner wall of frame is located the front side sliding connection of lifter plate and is cleaned the strip, the internally mounted of frame has two sets of electromagnetism slide rails, one side of electromagnetism slide rail is equipped with and cleans strip fixed connection's slider, the chamber of bleeding has been seted up to the inside of frame, the inside in chamber of bleeding cup joint with and cleans the extraction rod that strip end connection, the bottom of the air pumping cavity is provided with a first pipe extending to the bottom end of the frame, and one side of the first pipe is provided with a second pipe communicated with the air plate.

Through adopting above-mentioned technical scheme, reduce suitable height to the lifter plate, supply the student and the mr of different heights to write at the first half of lifter plate, order about simultaneously and collect the inside pressure of frame and diminish, external atmospheric pressure orders about gas to collecting the inboard flow of frame, drives the powder to collecting inside the frame thereupon.

The utility model is further provided that the tail end of the steel wire rope extends to the interior of the frame and is fixedly connected with the lifting plate, and the outer wall of the frame is rotatably connected with a rotating rod which is in contact with the steel wire rope.

Through adopting above-mentioned technical scheme, the lifter plate drives wire rope and removes when reducing, drives the bull stick rotation then, reduces frictional force each other.

The utility model is further arranged in such a way that a breathable film is arranged at the top end of the gas plate in the collecting frame, a discharge hole is formed in one side of the bottom end of the collecting frame, the collecting frame is connected with a scraping blade in a sliding way, and a handle is fixed at the top end of the scraping blade.

Through adopting above-mentioned technical scheme, conveniently promote the chalk powder on ventilated membrane top to the outside, accomplish the clearance of powder.

The utility model is further provided that the bottom end of the first tube is provided with a first unidirectional sheet, and one end of the second tube, which is positioned in the air exhaust cavity, is provided with a second unidirectional sheet.

Through adopting above-mentioned technical scheme, the convenience is with collecting the inside gas extraction of frame to the intracavity portion of bleeding, simultaneously with the inside gas outgoing outside of the intracavity portion of bleeding.

The utility model is further arranged in that the top end of the air pumping rod is provided with a connecting rope connected with the end part of the wiping strip, and the inner wall of the frame is rotationally connected with a rotating rod contacted with the connecting rope.

Through adopting above-mentioned technical scheme, the rope removal is connected in the pulling when conveniently wiping the strip and reducing to can promote certain height with the air extraction pole.

The utility model is further provided that a friction strip is arranged on one side of the outer wall of the lifting plate, and the friction strip is made of rubber.

Through adopting above-mentioned technical scheme, increase the frictional force between hand and the lifter plate to conveniently promote the lifter plate and reduce.

In summary, the utility model mainly has the following beneficial effects:

1. according to the utility model, the lifting plate, the friction strip, the steel wire rope, the limiting frame, the weighting block and the rotating rod are matched with each other, so that the lifting plate is lowered to a proper height, students and teachers with different heights can write on the upper half part of the lifting plate, and the convenience of a blackboard is improved;

2. according to the utility model, through the mutual matching of the air exhaust rod, the air exhaust cavity, the air plate, the wiping strip, the electromagnetic slide rail, the slide block, the first pipe and the second pipe, powder is quickly wiped on the outer wall of the blackboard, meanwhile, the internal pressure of the collection frame below is driven to be reduced, the external atmospheric pressure drives the gas to flow towards the inner side of the collection frame, and then the powder is driven to the interior of the collection frame, so that the harm to the health of teachers and students is avoided.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the lifter plate of the present invention;

fig. 3 is a partial front view of the present invention.

In the figure: 1. a frame; 2. a projection panel; 3. a collection frame; 4. a lifting plate; 5. rubbing the strips; 6. a wire rope; 7. a limiting frame; 8. a weighting block; 9. a rotating rod; 10. a suction rod; 11. an air pumping cavity; 12. an air plate; 13. a wiping strip; 14. an electromagnetic slide rail; 15. a slider; 16. a first pipe; 17. and a second tube.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

An intelligent teaching blackboard with a wireless screen projection function is disclosed, as shown in fig. 1-3, comprising a frame 1, a screen projection plate 2 is arranged in the frame 1, two sets of lifting plates 4 are slidably connected in the frame 1 at two sides of the screen projection plate 2, a collecting frame 3 extending to the bottom end of the frame 1 is arranged at one side of the lifting plates 4 in the frame 1, an air plate 12 is arranged in the collecting frame 3, a limiting frame 7 is fixed on the outer wall of the two sides of the frame 1, a weighting block 8 is slidably connected in the limiting frame 7, a steel wire rope 6 extending to the outer side of the top end of the limiting frame 7 is arranged at the top end of the weighting block 8, the tail end of the steel wire rope 6 extends to the inside of the frame 1 and is fixedly connected with the lifting plates 4, a rotating rod 9 in contact with the steel wire rope 6 is rotatably connected on the outer wall of the frame 1, the lifting plates 4 are driven to reduce the moving height, thereby students with different heights can write on the upper half parts of the lifting plates 4, the writing mode of a student stepping on a seat is avoided, the convenience of a blackboard is improved, the inner wall of a frame 1 is positioned on the front side of a lifting plate 4 and is connected with a wiping strip 13 in a sliding manner, two groups of electromagnetic slide rails 14 are arranged inside the frame 1, a slide block 15 fixedly connected with the wiping strip 13 is arranged on one side of each electromagnetic slide rail 14, an air pumping cavity 11 is arranged inside the frame 1, an air pumping rod 10 connected with the end part of the wiping strip 13 is sleeved inside the air pumping cavity 11, a first pipe 16 extending to the bottom end of the frame 1 is arranged at the bottom end of the air pumping cavity 11, a second pipe 17 communicated with an air plate 12 is arranged on one side of the first pipe 16, a first one-way piece is arranged at the bottom end of the first pipe 16, a second one-way piece is arranged inside the air pumping cavity 11 at one end of the second pipe 17, powder is quickly wiped on the outer wall of the blackboard, the pressure inside a collecting frame 3 below is driven to be reduced, and air is driven to flow towards the inner side of the collecting frame 3 by external atmospheric pressure, the powder is driven to the inside of the collecting frame 3, so that the harm to the health of teachers and students is avoided.

Referring to fig. 3, a breathable film is disposed inside the collecting frame 3 and on the top end of the gas plate 12 to prevent falling powder from entering the inner wall of the gas plate 12, so as to avoid blocking the gas plate 12, a discharge hole is formed in one side of the bottom end of the collecting frame 3, a wiper blade is slidably connected inside the collecting frame 3, a handle is fixed to the top end of the wiper blade, and the handle is held by hand to move so as to drive the wiper blade to slide on the inner wall of the collecting frame 3, so that the powder on the top end of the breathable film moves until being discharged through the discharge hole.

Referring to fig. 3, a connecting rope connected to the end of the wiping strip 13 is disposed at the top end of the air pumping rod 10, and the inner wall of the frame 1 is rotatably connected to a rotating rod contacting with the connecting rope, so that the wiping strip 13 is lowered to drive one end of the connecting rope to be lowered, and then the other end of the connecting rope drives the air pumping rod 10 to be raised.

Referring to fig. 1 and 2, a friction strip 5 is disposed on one side of an outer wall of the lifting plate 4, the friction strip 5 is made of rubber, the hands are attached to the friction strip 5, friction force between the hands is increased, the hands move vertically and downwards, and then the lifting plate 4 is driven to be lowered.

The working principle of the utility model is as follows: firstly, when a student writes on the outer wall of the lifting plate 4, the hand part is attached to the friction strip 5 and slides downwards, so that the lifting plate 4 is lowered and simultaneously pulls the steel wire rope 6 to enter the frame 1, then the weighting block 8 is driven to rise in the limiting frame 7, the upper half part of the lifting plate 4 is reduced to a proper height, and therefore the student can conveniently write on the upper half part of the lifting plate 4, the lifting plate 4 is fully utilized, the student is prevented from trampling a chair for writing, potential safety hazards are avoided, when the blackboard is wiped, the electromagnetic slide rail 14 is started to drive the slide block 15 to lower, then the wiping strip 13 is driven to lower, the powder on the outer wall of the lifting plate 4 is wiped, meanwhile, the air pumping rod 10 is pulled to rise through the connecting rope, the gas in the collecting frame 3 flows to the inside of the air pumping cavity 11 through the air plate 12, the external atmospheric pressure pushes the gas to flow to the inside of the collecting frame 3, and then the wiped powder floats to the inside of the collecting frame 3, the powder is prevented from floating to the outer side of the blackboard, so that the health of teachers and students is protected.

Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.

Claims

1. The utility model provides an intelligence teaching blackboard with wireless screen projection function, includes frame (1), its characterized in that: the utility model discloses a cleaning device of a cleaning machine, including frame (1), the internally mounted of frame (1) has a screen board (2), the inside sliding connection that the both sides of screen board (2) are located frame (1) has two sets of lifter plates (4), the inside sliding connection that the inside of frame (1) is located lifter plate (4) is equipped with collection frame (3) that extend to frame (1) bottom, the inside of collecting frame (3) is provided with gas board (12), the both sides outer wall of frame (1) is fixed with spacing frame (7), the inside sliding connection of spacing frame (7) has weighting piece (8), the top of weighting piece (8) is equipped with wire rope (6) that extend to spacing frame (7) top outside, the inner wall of frame (1) is located the preceding sliding connection of lifter plate (4) and cleans strip (13), the internally mounted of frame (1) has two sets of electromagnetism slide rails (14), one side of electromagnetism slide rail (14) is equipped with and cleans strip (13) fixed connection's slider (15), the inside of frame (1) has been seted up and has been extracted air chamber (11), the inside of extracted air chamber (11) has cup jointed with the air extraction pole (10) of wiping strip (13) end connection, the bottom of extracted air chamber (11) is equipped with No. one pipe (16) that extend to frame (1) bottom, one side of No. one pipe (16) is equipped with No. two pipe (17) of putting through with gas board (12).

2. The intelligent teaching blackboard with wireless screen projection function according to claim 1, characterized in that: the tail end of the steel wire rope (6) extends to the inside of the frame (1) and is fixedly connected with the lifting plate (4), and the outer wall of the frame (1) is rotatably connected with a rotating rod (9) which is in contact with the steel wire rope (6).

3. The intelligent teaching blackboard with wireless screen projection function according to claim 1, characterized in that: the top that the inside of collecting frame (3) is located gas board (12) is equipped with the ventilated membrane, and collects bottom one side of frame (3) and has seted up the discharge gate, the inside sliding connection of collecting frame (3) has the doctor-bar, and the top of doctor-bar is fixed with the handle.

4. The intelligent teaching blackboard with wireless screen projection function according to claim 1, characterized in that: the bottom of the first pipe (16) is provided with a first unidirectional sheet, and one end of the second pipe (17) is positioned in the air pumping cavity (11) and is provided with a second unidirectional sheet.

5. The intelligent teaching blackboard with wireless screen projection function according to claim 1, characterized in that: the top of air extraction rod (10) is equipped with the connection rope of wiping strip (13) end connection, and the inner wall of frame (1) rotates and is connected with and is connected the rotary rod of rope contact.

6. The intelligent teaching blackboard with wireless screen projection function according to claim 1, characterized in that: a friction strip (5) is arranged on one side of the outer wall of the lifting plate (4), and the friction strip (5) is made of rubber.