CN210149003U

CN210149003U - Think political affairs and use high efficiency teaching board

Info

Publication number: CN210149003U
Application number: CN201920439069.2U
Authority: CN
Inventors: 吴蔚
Original assignee: Lanzhou Modern Vocational College
Current assignee: Lanzhou Modern Vocational College
Priority date: 2019-04-02
Filing date: 2019-04-02
Publication date: 2020-03-17
Anticipated expiration: 2029-04-02

Abstract

The utility model discloses a think political affairs and use high efficiency teaching board, including expansion plate, electronic projection curtain, main billboard and telescopic guide, there is telescopic guide, two through screw fixed mounting between inside upper and lower both ends of main billboard and the expansion plate stretches out main billboard one side and has lift guide through screw fixed mounting, main billboard bottom central authorities have perpendicular electric putter through screw fixed mounting, there is horizontal electric putter through screw fixed mounting between supporting leg and the perpendicular electric putter. The utility model discloses a telescopic plate that sets up has realized playing the projecting apparatus while on the telescopic plate on board book, has realized simultaneously through the blackboard eraser strip that sets up that the telescopic plate is flexible and has erased the blackboard book simultaneously, has avoided manual the extravagant teaching time of erasing, falls into three regional teaching with the teaching board simultaneously, is convenient for show simultaneously think political affairs content's contrast effect, the student's of being convenient for understanding and contrast.

Description

Think political affairs and use high efficiency teaching board

Technical Field

The utility model relates to a teaching demonstration apparatus technical field specifically is a think political affairs and use high efficiency teaching board.

Background

The teaching board is a board placed in a classroom or a meeting room, and is used for writing contents with chalk or a water-based pen to play a role in explaining and demonstrating.

However, the conventional teaching board has some disadvantages in the using process, such as:

1. for richening teaching content and quality, the teacher adopts the mode that multimedia teaching and blackboard writing combined together to teach usually, but traditional teaching board has written the blackboard writing after projecting again, can influence the projection effect, if wipe the blackboard writing, can influence the teaching progress.

2. Think main part thought that explains each period in political affairs course, traditional teaching board space is not enough, can't demonstrate each period main part thought simultaneously, is unfavorable for student's understanding and contrast.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a think political affairs and use high efficiency teaching board to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-efficiency teaching board for thinking and politics comprises a telescopic board, an electric projection screen, a main board and telescopic guide rails, wherein supporting plates are respectively fixedly mounted at the bottoms of two sides of the main board with larger area, the electric projection screen is fixedly mounted at the top of the main board through screws, eraser strip fixing frames are fixedly mounted at two sides of the main board through screws, eraser strips are clamped in the eraser strip fixing frames, two telescopic boards are mounted in the center of the inner part of the main board through clamping, the two telescopic boards are respectively positioned at two sides of the main board, the telescopic guide rails are fixedly mounted between the upper end and the lower end of the inner part of the main board and the telescopic boards through screws, lifting guide rails are fixedly mounted at one side of the two telescopic boards extending out of the main board through screws, supporting legs are fixedly mounted at one side of the lifting guide rails far away from the telescopic boards through screws, and sub-supporting legs are fixedly mounted at the bottoms of the supporting legs through welding, the universal wheels are fixedly mounted at two ends of the branch supporting legs through screws, the vertical electric push rod is fixedly mounted at the center of the bottom of the main billboard through screws, a horizontal electric push rod is fixedly mounted between the supporting legs and the vertical electric push rod through screws, the signal input end of the vertical electric push rod is electrically connected with the signal output end of the PLC, and the signal input end of the horizontal electric push rod is electrically connected with the signal output end of the PLC (14).

Furthermore, the number of the eraser strip fixing frames and the number of the eraser strips are four respectively, and the eraser strips are in contact with the telescopic plate.

Furthermore, the universal wheel is fixedly installed at one end, far away from the main board, of the vertical electric push rod through a screw.

Furthermore, when the two expansion plates are completely expanded into the main billboard, a gap is formed between the expansion plates.

Furthermore, there are two horizontal electric push rods, and the specification and model of the two horizontal electric push rods are the same.

Furthermore, both sides of the main board and the telescopic board with larger area can be used for writing on boards.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a telescopic plate that sets up has realized playing the projecting apparatus while on the telescopic plate on board book, has realized simultaneously through the blackboard eraser strip that sets up that the telescopic plate is flexible simultaneously to erase the blackboard book, has avoided manual extravagant teaching time of erasing.

2. The utility model discloses a set up the expansion plate and can fall into three regional teaching with the teaching board, be convenient for show simultaneously think the contrast effect of political affairs content, be convenient for student's understanding and contrast.

Drawings

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a left side view of the overall structure of the present invention;

FIG. 3 is a top view of the overall structure of the present invention;

fig. 4 is a schematic view of the electronic component connection control system of the present invention.

In FIGS. 1-4: 1-universal wheel; 2-supporting legs; 3-horizontal electric push rod; 4-a supporting plate; 5-a telescopic plate; 6-electric projection curtain; 7-a main billboard; 8-eraser strip fixing frame; 9-vertical electric push rod; 10-rubbing strip, 11-telescopic guide rail; 12-branch supporting leg; 13-a lifting guide rail; 14-PLC.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a high-efficiency teaching board for thinking and politics comprises expansion boards 5, electric projection screens 6, a main board 7 and expansion guide rails 11, wherein the bottoms of two sides of the main board 7 with larger area are respectively fixedly provided with supporting plates 4 through screws, the top of the main board 7 is fixedly provided with the electric projection screens 6 through screws, so that projection is clearer, two sides of the main board 7 are fixedly provided with board eraser fixing frames 8 through screws, board eraser strips 10 are clamped in the board eraser fixing frames 8 and used for erasing blackboard writing at the same time of the expansion boards 5, the center in the main board 7 is provided with the expansion boards 5 through clamping, the expansion boards 5 are respectively positioned at two sides of the main board 7, the expansion guide rails 11 are fixedly arranged between the upper and lower ends in the main board 7 and the expansion boards 5 through screws, so that the expansion boards 5 can expand and contract, one side of the expansion boards 5 extending out of the main board 7 is fixedly provided with lifting guide rails 13 through screws, lifting guide 13 keeps away from 5 one sides of expansion plate and has supporting leg 2 through screw fixed mounting, there is branch supporting leg 12 in 2 bottoms of supporting leg through welded fixed mounting, divide supporting leg 12 both ends to have universal wheel 1 through screw fixed mounting, 7 bottom central authorities of main billboard have perpendicular electric putter 9 through screw fixed mounting for control teaching board's lift, there is horizontal electric putter 3 through screw fixed mounting between supporting leg 2 and the perpendicular electric putter 9, be used for controlling expansion plate 5 flexible, perpendicular electric putter signal input part and PLC signal output part electric connection, horizontal electric putter signal input part and PLC signal output part electric connection.

Blackboard eraser strip mount 8 and blackboard eraser strip 10 respectively have four, blackboard eraser strip 10 contacts with the expansion plate, perpendicular electric putter 9 is kept away from 7 one ends of main billboard and is passed through screw fixed mounting and have universal wheel 1, two expansion plates 5 are whole when stretching out and drawing back 7 inside to main billboard, there is the gap between the expansion plate 7, prevent to interfere, horizontal electric putter 3 has two, 3 specification models of two horizontal electric putter are the same, be convenient for when two expansion plates 5 stretch out and draw back simultaneously, the teaching board can not squint to a direction, the big both sides of main billboard 7 and expansion plate 5 area all can carry out the blackboard writing.

The working principle is as follows: when the teaching board is used, the whole teaching board is pushed to a proper position through the universal wheel 1, the power supply is switched on, the PLC14 controls the vertical electric push rod 9 to ascend or descend to the proper position, at the moment, the main board 7 connected with the vertical electric push rod 9 can ascend or descend along with the vertical electric push rod 9, the expansion plate 5 connected with the main board 7 can ascend or descend to the proper position under the guide of the lifting guide rail 13, at the moment, the vertical electric push rod 9 is closed, when a projector needs to be played and a book is written, the PLC14 controls the horizontal electric push rod 3 to translate left and right, meanwhile, the supporting legs 2 connected with the horizontal electric push rod 3 are pushed under the action of the universal wheel, at the moment, the expansion plate 5 connected with the supporting legs 2 through the lifting guide rail 13 can extend out of the main board 7 under the guide rail 11, and after the expansion plate 5 extends to the proper position, the PLC14 is controlled to close the horizontal electric push rod 3, when writing is finished or blackboard writing needs to be erased, the PLC14 is controlled to retract the horizontal electric push rod 3, so that the retractable plate 5 retracts into the main board 7, and the blackboard writing is erased under the action of the blackboard eraser strip 10 fixed on the blackboard eraser strip fixing frame 8, so that the blackboard writing is convenient to use next time, and meanwhile, the teaching board can be turned over, and double sides of the teaching board are written.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a think political affairs and use high efficiency teaching board, includes expansion plate (5), electronic projection curtain (6), main billboard (7) and PLC (14), there is layer board (4) main billboard (7) the great both sides bottom of area through screw fixed mounting respectively, there is electronic projection curtain (6) main billboard (7) top through screw fixed mounting, there is eraser strip mount (8) main billboard (7) both sides through screw fixed mounting, the inside joint of eraser strip mount (8) has eraser strip (10), expansion plate (5), its characterized in that are installed through the joint to main billboard (7) inside central authorities: the novel combined type display board is characterized in that the number of the telescopic plates (5) is two, the telescopic plates are respectively positioned on two sides of the main display board (7), telescopic guide rails (11) are fixedly arranged between the upper end and the lower end of the interior of the main display board (7) and the telescopic plates (5), two telescopic plates (5) extend out of one side of the main display board (7) and are provided with lifting guide rails (13) through screw fixing, one sides of the lifting guide rails (13) far away from the telescopic plates (5) are provided with supporting legs (2) through screw fixing, the bottoms of the supporting legs (2) are fixedly provided with sub supporting legs (12), two ends of the sub supporting legs (12) are fixedly provided with universal wheels (1) through screws, the center of the bottom of the main display board (7) is fixedly provided with a vertical electric push rod (9) through screws, and horizontal electric push rods (3), the signal input end of the vertical electric push rod (9) is electrically connected with the signal output end of the PLC (14), and the signal input end of the horizontal electric push rod (3) is electrically connected with the signal output end of the PLC (14).

2. The ideology and politics high efficiency teaching board of claim 1, wherein: the number of the blackboard eraser strip fixing frames (8) and the number of the blackboard eraser strips (10) are four respectively, and the blackboard eraser strips (10) are in contact with the telescopic plate.

3. The ideology and politics high efficiency teaching board of claim 1, wherein: and one end of the vertical electric push rod (9) far away from the main billboard (7) is fixedly provided with a universal wheel (1) through a screw.

4. The ideology and politics high efficiency teaching board of claim 1, wherein: when the two expansion plates (5) are all expanded into the main billboard (7), a gap is formed between the expansion plates (5).

5. The ideology and politics high efficiency teaching board of claim 1, wherein: the number of the horizontal electric push rods (3) is two, and the specifications and the models of the two horizontal electric push rods (3) are the same.

6. The ideology and politics high efficiency teaching board of claim 1, wherein: both sides of the main board (7) and the expansion board (5) with larger areas can be used for writing on boards.