CN212046590U

CN212046590U - Multilayer blackboard for advanced mathematics teaching

Info

Publication number: CN212046590U
Application number: CN202020074495.3U
Authority: CN
Inventors: 吴维峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-12-01
Anticipated expiration: 2030-01-14

Abstract

The utility model belongs to the technical field of teaching tools, a multilayer blackboard for advanced math teaching is disclosed, including fixed frame, the blackboard of fixed frame internal sliding connection, logical groove has been seted up at fixed frame both ends, fixed slide rail has all been fixed on both sides about the fixed frame is inside, the slide rail about fixed frame width direction symmetry is equipped with two, is two slide rails from top to bottom, and the slide rail both ends all stretch out the fixed frame, slide rail internal sliding connection has the blackboard, the blackboard includes first clipboard and second clipboard, first clipboard sliding connection is in the slide rail is inside, the second clipboard sliding connection is in the first clipboard; the utility model discloses a connect a plurality of first clipboards that all slide in two slide rail insides, first clipboard inside slides simultaneously has the second clipboard, can write scope greatly increased, and the numerous and diverse calculations on the high number of classes of being convenient for write, improve teaching efficiency on class.

Description

Multilayer blackboard for advanced mathematics teaching

Technical Field

The utility model belongs to the technical field of the teaching tool, especially, relate to a multilayer blackboard is used in advanced math teaching.

Background

Before the human utility model text, people found that charcoal could be used to draw pictures. Ancient mural paintings can be found in ancient rock caverns in China, and the rock wall on which the mural paintings are drawn can be called a blackboard in a traditional sense.

In the middle ages, people found that lime and water are mixed to form blocks, and writing is carried out on the surfaces of dark hard objects by a method similar to a charcoal pen, and people coated the surfaces of wood boards with black paint to protect the wood boards from being corroded by the 19 th century, although the main function of the blackboard is not teaching at that time, and the blackboard is not popular in schools all over the world until the middle of the 19 th century. In the existing teaching process, the blackboard is indispensable, a teacher extracts blackboard writing on the blackboard to teach students in class, and the blackboard is also an important platform for information interaction between the teacher and the students.

However, the conventional blackboard has the following technical problems: the blackboard can be adjusted only in the up-down left-right position, but the writing range is effective, but in high-class mathematical education with complicated calculation modes, the number of the blackboards is possibly insufficient, and a teacher is not convenient to go to class.

SUMMERY OF THE UTILITY MODEL

To the problem that prior art exists, the utility model provides a higher mathematics teaching is with multilayer blackboard.

The utility model discloses a realize like this, a multilayer form blackboard for advanced math teaching is including fixed frame, the inside sliding connection's of fixed frame blackboard, logical groove has been seted up at fixed frame both ends, both sides all are fixed with the slide rail about fixed frame is inside, the slide rail about fixed frame width direction symmetry is equipped with two, is two slide rails from top to bottom, and the slide rail both ends all stretch out fixed frame, the inside slide of slide rail is connected with the blackboard, the blackboard includes first clipboard and second clipboard, first clipboard slides and connects inside the slide rail, the second clipboard slides and connects inside the first clipboard.

The utility model relates to a higher mathematics teaching is with preferred technical scheme of multilayer form blackboard, fixed frame both ends all are fixed with the connecting rod, connecting rod one end is fixed frame one side, the connecting rod is kept away from fixed frame end fixedly connected with fixed plate, be equipped with a plurality of screw fixed orifices along fixed plate length direction on the fixed plate.

As the utility model relates to an advanced mathematics teaching is with preferred technical scheme of multilayer form blackboard, the inside spout of having seted up of slide rail, the spout both ends are fixed with the dog, the dog upper end with the spout upper end flushes.

The utility model relates to a higher mathematics teaching is with preferred technical scheme of multilayer form blackboard, first writing board side is seted up flutedly and is supplied the second writing board slides, the second writing board is kept away from the fluted end and is fixed with the push pedal, both ends are inlayed and are equipped with the magnet about the push pedal, first writing board is close to the push pedal end is equipped with the metal level.

As the utility model relates to an advanced mathematics teaching is with preferred technical scheme of multilayer form blackboard, two slide rail inside all slides and connect a plurality of first boards of writing.

The utility model discloses an advantage and positive effect do: the utility model discloses a connect a plurality of first clipboards at inside all sliding of two slide rails, the inside second clipboard that slides of first clipboard simultaneously, at this moment, can write scope greatly increased in fixed frame inside, the numerous and diverse calculations on the high number of classes of being convenient for are write, improve teaching efficiency on class, the second clipboard is fixed through magnet with first clipboard simultaneously, fixed effectual, and after the second clipboard slides into first clipboard, do not occupy unnecessary space, be convenient for accomodate.

Drawings

Fig. 1 is a schematic structural diagram provided in an embodiment of the present invention;

fig. 2 is an enlarged schematic view of the position I in fig. 1 according to an embodiment of the present invention;

fig. 3 is a schematic bottom view of an embodiment of the present invention;

fig. 4 is an enlarged schematic view of fig. 3 at II according to an embodiment of the present invention;

in the figure: 1. a fixing frame; 2. a blackboard; 3. a through groove; 4. a slide rail; 5. a first writing pad; 6. a second writing board; 7. a connecting rod; 8. a fixing plate; 9. screw fixing holes; 10. a chute; 11. a stopper; 12. pushing the plate; 13. iron absorption; 14. a metal layer.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.

The structure of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, the embodiment of the utility model provides a multilayer blackboard for advanced mathematical education includes fixed frame 1, the blackboard 2 of the inside sliding connection of fixed frame 1, logical groove 3 has been seted up at fixed frame 1 both ends, both sides all are fixed with slide rail 4 about fixed frame 1 is inside, slide rail 4 about fixed frame 1 width direction symmetry is equipped with two, is two slide rails 4 from top to bottom, and slide rail 4 both ends are all stretched out fixed frame 1, the inside slide connection of slide rail 4 has blackboard 2, the blackboard includes first clipboard 5 and second clipboard 6, first clipboard 5 slides and connects inside slide rail 4, second clipboard 6 slides and connects inside first clipboard 5.

Specifically, fixed frame 1 both ends all are fixed with connecting rod 7, connecting rod 7 one end is fixed frame 1 one side, connecting rod 7 is kept away from fixed frame 1 end fixedly connected with fixed plate 8, be equipped with a plurality of screw fixed orifices 9 along 8 length direction of fixed plate on the fixed plate 8.

Specifically, a sliding groove 10 is formed in the sliding rail 4, stop blocks 11 are fixed at two ends of the sliding groove 10, and the upper ends of the stop blocks 11 are flush with the upper end of the sliding groove 10.

Specifically, a groove is formed in the side face of the first writing board 5, so that the second writing board 6 can slide, a push plate 12 is fixed to the second writing board 6 far away from the groove, magnets 13 are embedded in the upper end and the lower end of the push plate 12, and a metal layer 14 is arranged at the end, close to the push plate, of the first writing board 5.

Specifically, the inside of each of the two slide rails 4 is connected with a plurality of first writing boards 5 in a sliding manner.

The utility model discloses a theory of operation: when the fixing frame is used, the fixing frame 1 is fixed on a wall through the screw connecting holes 9 in the fixing plate 8, writing is firstly carried out on the first writing boards 5 in class, after the first writing boards 5 are fully written, the two first writing boards 5 slide towards two sides along the sliding grooves 10, and when the first writing boards slide to a certain distance, the second writing board 6 is pulled out from the inside of the first writing boards 5 by pulling the push plate 12 to write; when the second writing board 6 is stored, the magnet 13 on the push plate 12 is attracted to and fixed to the metal layer 14.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all the modifications and equivalents of the technical spirit of the present invention to any simple modifications of the above embodiments are within the scope of the technical solution of the present invention.

Claims

1. The multilayer blackboard for advanced math teaching is characterized by comprising a fixed frame (1) and a blackboard (2) which is connected with the inside of the fixed frame (1) in a sliding way, through grooves (3) are formed at two ends of the fixing frame (1), slide rails (4) are fixed at the upper side and the lower side of the inside of the fixing frame (1), the two sliding rails (4) are symmetrically arranged in the width direction of the fixed frame (1), the upper part and the lower part are both two sliding rails (4), both ends of each sliding rail (4) extend out of the fixed frame (1), the blackboard (2) is connected inside the sliding rail (4) in a sliding way and comprises a first writing board (5) and a second writing board (6), the first writing board (5) is connected inside the sliding rail (4) in a sliding way, the second writing board (6) is connected inside the first writing board (5) in a sliding mode.

2. The multilayer blackboard for advanced math teaching as claimed in claim 1, wherein the two ends of the fixed frame (1) are both fixed with connecting rods (7), one end of each connecting rod (7) is fixed on one side of the fixed frame (1), the connecting rods (7) are far away from the fixed frame (1) and are fixedly connected with a fixed plate (8), and a plurality of screw fixing holes (9) are arranged on the fixed plate (8) along the length direction of the fixed plate (8).

3. The multilayer blackboard for advanced math teaching as claimed in claim 1, wherein a sliding groove (10) is formed in the sliding rail (4), stop blocks (11) are fixed at two ends of the sliding groove (10), and the upper end of each stop block (11) is flush with the upper end of the sliding groove (10).

4. The multilayer blackboard for advanced math teaching as claimed in claim 1, wherein the first writing board (5) is provided with a groove on the side for the second writing board (6) to slide, the second writing board (6) is fixed with a push board (12) far away from the groove end, the upper and lower ends of the push board (12) are embedded with magnets (13), and the first writing board (5) is provided with a metal layer (14) near the push board end.

5. The multi-layer blackboard for higher mathematics teaching as claimed in claim 1 or 3, wherein a plurality of first writing boards (5) are connected inside the two sliding rails (4) in a sliding manner.