CN210073035U - An intelligent display board for teaching - Google Patents

Abstract

The utility model discloses an intelligent display board for teaching, which comprises a display board main body, a circular groove is arranged in the middle part of the front side of the display board main body, an annular copy board is inlaid on the outer side of the circular groove, and a display board main body outside the circular groove is provided with a circular groove. The first scale lines are evenly distributed around the surface, the central axis is fixed in the middle of the circular groove, a number of sliding rods that rotate around the central axis are set in the circular groove, and the front side of the sliding rod is provided with a telescopic head that slides along the sliding rod , the telescopic head includes a casing, a central rod is fixed inside the casing, a reel is arranged on the outside of the central rod, a torsion spring is connected between the reel and the central rod, a display tape is wound on the outside of the reel, and the end of the display belt is connected with a buckle. A plug-in block is fixedly arranged on the outer side; the utility model does not need to use drawing tools such as pen and ruler to realize the display of the teaching radar analysis statistical chart, and has the advantages of more visual and intuitive, convenient operation, high efficiency, light portability, accurate display and strong practicability, Has a high market economic value.

Description

An intelligent display board for teaching

technical field

The utility model belongs to the technical field of teaching statistics display equipment, in particular to an intelligent display board for teaching.

Background technique

Education is an important way to improve people's comprehensive quality and promote people's all-round development. It is an important cornerstone of national rejuvenation and social progress. The all-round development of educational supplies is an important part of improving the quality of education and teaching. Hot-selling product, there are many types of teaching display boards on the market. In the existing teaching process, statistical display diagrams are often drawn on the blackboard to facilitate rapid teaching and intuitive display. Traditional courseware production has low efficiency and format. Fixed, inconvenient for flexible display of on-the-spot teaching, and the existing fast device for data statistics display has many disadvantages, such as inconvenience to carry, large size, blurred display, inconvenient adjustment, and complicated operation, which brings inconvenience to the teaching process. Necessary trouble and wasted time.

Utility model content

The purpose of the utility model is to provide an intelligent display board for teaching, which does not need to use drawing tools such as pen and ruler, and realizes the rapid teaching display of radar analysis statistical charts, which has the advantages of more visual and intuitive, convenient operation, high efficiency, light portability, accurate display, It has the advantages of strong practicability and high market economic value.

In order to achieve the above purpose, the utility model provides the following technical solutions: an intelligent display board for teaching, comprising a display board main body, a circular groove is arranged in the middle part of the front side of the display board main body, and an annular copy board is inlaid on the outside of the circular groove , the surface of the main body of the display board outside the circular groove is evenly distributed with first scale lines, the central axis is fixed in the middle of the circular groove, and a number of sliding rods that rotate around the central axis are arranged in the circular groove, and the circumference of the sliding rod is uniform. The front side of the sliding rod is evenly provided with a second scale line, and the front side of the sliding rod is provided with a telescopic head that slides along the sliding rod. The telescopic head includes a shell. A reel is provided, a torsion spring is connected between the reel and the central rod, a display tape is wound on the outside of the reel, and the end of the display tape penetrates a side wall of the casing and is connected with a buckle, the outer side of the casing is fixedly provided with an insert block, and the extension of the telescopic head is provided. The insert buckle is inserted into the insert block of the adjacent telescopic head.

Preferably, the main body of the display board is a disc-shaped structure or a square-disk-shaped structure, and a hanging hole is provided on the rear side of the main body of the display board.

Preferably, the front surface of the annular copying board is flush with the front surface of the main body of the display board.

Preferably, a limit disc is fixedly arranged at the front end of the central shaft, and the diameter of the limit disc is larger than the diameter of the central shaft.

Preferably, an L-shaped slider is symmetrically arranged on the lower side of the telescopic head, a chute is arranged on both sides of the sliding rod, the L-shaped slider slides along the chute, and the end of the L-shaped slider is provided with a first rubber block. The rubber block is in contact with the inner wall of the chute.

Preferably, the two sides of the sliding rod near the central shaft end are provided with auxiliary grooves that communicate with the sliding grooves, the auxiliary grooves are perpendicular to the sliding grooves, the front end of the auxiliary grooves extend to the front surface of the sliding rod, and the L-shaped slider is separated from the sliding rod through the auxiliary grooves. .

Preferably, the end surface of the sliding rod is provided with a second rubber block, and the second rubber block is in contact with the inner wall of the circular groove.

Preferably, the horizontal cross section of the insert block is T-shaped, the insert buckle is provided with a T-shaped groove matched with the insert block, and the upper end of the T-shaped groove is closed.

Compared with the prior art, the beneficial effects of the present utility model are as follows:

The utility model does not need to use drawing tools such as pen and ruler, realizes the rapid teaching display of the radar analysis statistical chart, has the advantages of more visual and intuitive, convenient operation, high efficiency, light portability, accurate display and strong practicability, and has a relatively high market economy. value;

The utility model adopts the connection and cooperation of the telescopic belts of the telescopic heads, and the adjacent telescopic heads are connected by the telescopic belts to form a ring-shaped display ring, which is convenient for data analysis and display.

Description of drawings

FIG. 1 is a schematic front view of the utility model.

FIG. 2 is a schematic diagram of the rear view of the utility model.

FIG. 3 is a schematic diagram of the sliding bar of the present invention.

4 is a schematic diagram of the connection between the telescopic head and the sliding rod of the present invention.

FIG. 5 is a schematic structural diagram of the telescopic head of the present invention.

In the picture: 1. Main body of the display board, 2. Circular groove, 3. Circular copy board, 4. First scale line, 5. Center axis, 6. Slide bar, 7. Second scale line, 8. Telescopic Head, 9, Hanging hole, 51, Limiting disc, 61, Chute, 62, Secondary groove, 63, Second rubber block, 81, Shell, 82, Center rod, 83, Roller, 84, Torsion spring, 85, display belt, 86, buckle, 87, insert block, 88, L-shaped slider, 89, first rubber block.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example 1

1-5, this embodiment provides an intelligent display board for teaching, including a display board main body 1, a circular groove 2 is arranged in the middle of the front side of the display board main body 1, and an annular groove 2 is inlaid on the outside of the circular groove 2 The copying board 3, the surface of the display board main body 1 outside the circular groove 2 is evenly distributed with first scale lines 4, the middle of the circular groove 2 is fixedly provided with a central axis 5, and the circular groove 2 is provided with a number of windings around the central axis. 5. The rotating slide bar 6, the circumference of the slide bar 6 is evenly distributed in the circular groove 2, the front side of the slide bar 6 is evenly provided with a second scale line 7, and the front side of the slide bar 6 is provided with a telescopic slide that slides along the slide bar 6. The head 8, the telescopic head 8 includes a casing 81, a central rod 82 is fixed inside the casing 81, a reel 83 is arranged outside the central rod 82, a torsion spring 84 is connected between the reel 83 and the central rod 82, and the outer side of the reel 83 is wound with The display belt 85, the end of the display belt 85 penetrates a side wall of the casing 81, and is connected with a plug 86, and a plug 87 is fixed on the outer side of the casing 81. The plug 86 of the telescopic head 8 is plugged with the plug 87 of the adjacent telescopic head 8 .

In order to facilitate the placement of the display board, in this embodiment, preferably, the display board main body 1 is a disc-shaped structure or a square-disk-shaped structure, and a hanging hole 9 is provided on the rear side of the display board main body 1 .

In order to have a beautiful and smooth appearance, in this embodiment, preferably, the front surface of the annular copying board 3 is flush with the front surface of the display board main body 1 .

In order to realize the limit of the sliding rod 6 , in this embodiment, preferably, a limit disk 51 is fixedly arranged at the front end of the central shaft 5 . The diameter of the limit disk 51 is larger than the diameter of the center shaft 5 . 51 is threadedly connected with the central shaft 5 , the center of the limiting disc 51 is provided with an inner thread hole, and the front end of the central shaft 5 is provided with an outer thread.

In order to realize the connection between the telescopic head 8 and the sliding rod 6, in this embodiment, preferably, an L-shaped sliding block 88 is symmetrically arranged on the lower side of the telescopic head 8, and sliding grooves 61 are provided on both sides of the sliding rod 6. The slider 88 slides along the chute 61 . The end of the L-shaped slider 88 is provided with a first rubber block 89 , and the first rubber block 89 is in contact with the inner wall of the chute 61 .

In order to realize the disassembly of the telescopic head 8, in this embodiment, preferably, the two sides of the sliding rod 6 near the central shaft end are provided with auxiliary grooves 62 that communicate with the chute 61, the auxiliary grooves 62 are perpendicular to the chute 61, and the auxiliary grooves The front end of 62 extends to the front surface of the sliding rod 6 , and the L-shaped sliding block 88 is separated from the sliding rod 6 through the auxiliary groove 62 .

In order to facilitate the fixing of the sliding rod 6 , in this embodiment, preferably, the end surface of the sliding rod 6 is provided with a second rubber block 63 , and the second rubber block 63 is in contact with the inner wall of the circular groove 2 .

In order to facilitate the connection of the display belt 85, in this embodiment, preferably, the horizontal section of the insert block 87 is T-shaped, the insert buckle 86 is provided with a T-shaped slot matched with the insert block 87, and the upper end of the T-shaped slot is closed.

The utility model adopts the structural form of the radar chart to facilitate the display of statistical data. By arranging the sliding rods 6 evenly in the circular groove 2, the sliding rods 6 can be rotated, and the first scale line 4 enables the sliding rods 6 to be accurately and uniformly arranged. The L-shaped sliding block 88 enters the sliding groove 61 through the auxiliary groove 62, so that the telescopic head 8 is slidably connected to the sliding rod 6. Each sliding rod 6 corresponds to a piece of data. Move on the second scale line 7, adjust the size of the data, pull the buckle 86 of the telescopic head 8, stretch out the display belt 85, and the buckle 86 is inserted and matched with the plug 87 of the adjacent telescopic head 8 to form a ring The data display line, the display belt 85 can be automatically retracted under the drive of the torsion spring 84, the operation is convenient, and the structure is novel.

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

Claims (8)

1. An intelligent display board for teaching, comprising a main body of the display board, characterized in that: a circular groove is arranged in the middle of the front side of the main body of the display board, and an annular copy board is inlaid on the outer side of the circular groove. The first scale lines are evenly distributed on the surface of the main body of the display board, the central axis is fixed in the middle of the circular groove, and a number of sliding rods that rotate around the central axis are arranged in the circular groove, and the circumference of the sliding rods is uniformly distributed in the circular groove , the front side of the sliding rod is evenly provided with a second scale line, and the front side of the sliding rod is provided with a telescopic head that slides along the sliding rod. A torsion spring is connected with the central rod, and a display tape is wound on the outside of the reel. The end of the display tape penetrates one side wall of the casing and is connected with a buckle. The outer side of the casing is fixed with a plug block. The buckle of the telescopic head is connected to the adjacent telescopic head. plug-in. 2 . The intelligent display board for teaching according to claim 1 , wherein the main body of the display board is a disc-shaped structure or a square-disk-shaped structure, and the rear side of the display board main body is provided with hanging holes. 3 . 3 . The intelligent display board for teaching according to claim 1 , wherein the front surface of the annular copy board is flush with the front surface of the main body of the display board. 4 . 4 . The intelligent display board for teaching according to claim 1 , wherein a limit disc is fixedly arranged at the front end of the central shaft, and the diameter of the limit disc is larger than that of the central shaft. 5 . 5 . The intelligent display board for teaching according to claim 1 , wherein an L-shaped sliding block is symmetrically arranged on the lower side of the telescopic head, and sliding grooves are provided on both sides of the sliding rod, and the L-shaped sliding block is arranged along the sliding groove. 6 . When sliding, the end of the L-shaped slider is provided with a first rubber block, and the first rubber block is in contact with the inner wall of the chute. 6 . The intelligent display board for teaching according to claim 5 , wherein the two sides of the near-central shaft end of the sliding rod are provided with auxiliary grooves that communicate with the chute, the auxiliary groove is perpendicular to the chute, and the front end of the auxiliary groove extends. 7 . To the front surface of the sliding rod, the L-shaped slider is separated from the sliding rod through the auxiliary groove. 7 . The intelligent display board for teaching according to claim 5 or 6 , wherein the end surface of the sliding rod is provided with a second rubber block, and the second rubber block is in contact with the inner wall of the circular groove. 8 . 8 . The intelligent display board for teaching according to claim 1 , wherein the horizontal section of the insert block is T-shaped, the insert buckle is provided with a T-shaped slot matched with the insert block, and the upper end of the T-shaped slot is closed. 9 .

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