CN206826258U - A kind of bilateral English teaching learning board - Google Patents

Abstract

The utility model discloses a double-sided English teaching and learning board, which comprises a base, an I-shaped two-way blackboard, a first display board, a third display board, and a fixing device. The upper end of the base is connected with the I-shaped two-way blackboard through the fixing device. The upper and lower ends of a display board are provided with convex ribs, and the upper and lower ends of the inner side of the I-shaped two-way blackboard are provided with concave grooves matching the convex ribs of the first display board. The upper and lower ends of the inner side of one side of the I-shaped two-way blackboard slide horizontally in the concave grooves at the upper and lower ends of the inner side, and the upper and lower ends of the third display board are provided with convex ribs. Matching concave grooves, the convex ribs on the top of the third display board can slide horizontally along the concave grooves at the upper and lower ends of the other side of the I-shaped two-way blackboard. The first placement box and the second placement box are provided with four-line grids on one side of the I-shaped two-way blackboard.

Description

A double-sided English teaching and learning board

technical field

The utility model relates to the technical field of teaching aids, in particular to a double-sided English teaching learning board.

Background technique

At present, the traditional English blackboard teaching is still dominant. In basic writing training and writing teaching, English standard blackboard writing is widely used. In order to write standardly, teachers need to draw the corresponding English four-line grid on the blackboard. When drawing the grid, use a long ruler to draw four lines line by line There are also teaching equipment such as a four-line grid device, an English three-line marking device, a parallel line marking aid, a blackboard with a ruler, and a blackboard for English and music teaching, although the purpose of drawing a grid can be achieved. , but it is a waste of time to carry utensils and draw grids with them at all times. In addition, when teaching English, it is often necessary to display it against the pictures. Based on this, a double-sided English teaching learning board is now researched.

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art and provide a double-sided English teaching and learning board.

The utility model is realized through the following technical solutions: a double-sided English teaching and learning board, which is characterized in that it includes a base, an I-shaped two-way blackboard, a first display board, a third display board, a fixing device, and the upper end of the base It is connected with the I-shaped two-way blackboard through the fixing device, and the upper and lower ends of the first display board are provided with convex ribs, and the upper and lower ends of the inner side of the I-shaped two-way blackboard are provided with convex ribs matching the first display board. The concave groove on the top of the first display board can slide horizontally along the concave groove at the upper and lower ends of the inner side of the I-shaped two-way blackboard, and the upper and lower ends of the third display board are provided with convex ribs. The upper and lower ends of the inner side of the other side of the font-shaped bidirectional blackboard are provided with concave grooves that match the convex ribs of the third display board. The concave groove at the end of the I-shaped two-way blackboard slides horizontally. The bottom two sides of the I-shaped two-way blackboard are provided with a first placement box and a second placement box for collecting chalk dust and storing chalk. One side of the I-shaped two-way blackboard is provided with There are four grids.

As one of the preferred modes of the present utility model, it also includes a second display board, the upper and lower ends of the second display board are provided with convex ribs, and the upper and lower ends of the inner side of the first display board are provided with convex ribs connected with the second display board. The ribs match the concave grooves, and the convex ribs on the top of the second display board can slide horizontally along the inside of the concave grooves at the upper and lower ends of the first display board.

As one of the preferred modes of the present invention, it also includes a fourth display board, the upper and lower ends of the fourth display board are provided with convex ribs, and the upper and lower ends of the inner side of the third display board are provided with convex ribs with the fourth display board. The ribs match the concave grooves, and the convex ribs on the top of the fourth display board can slide horizontally along the inside of the concave grooves at the upper and lower ends of the third display board

As one of the preferred modes of the present invention, the fixing device includes a rotatable device and a telescopic device, and the rotatable device is connected to the telescopic device.

As one of the preferred modes of the present invention, the rotatable device includes a rotating shaft, the telescopic device includes a sleeve, a spring and a sleeve rod, and the round cap at the upper end of the sleeve rod is stuck in the hollow part of the inner bottom of the rotating shaft. The thickness of the round cap is slightly smaller than the height of the hollow part at the inner bottom of the rotating shaft. A spring in the vertical direction is arranged inside the sleeve rod. One end of the spring is connected to the base, and the other end is connected to the bottom of the sleeve rod.

As one of the preferred modes of the present invention, a limit screw is also included, and the limit screw is arranged on the side wall of the gap between the sleeve rod and the sleeve.

As one of the preferred modes of the present invention, it also includes a first limiting device and a third limiting device, the first limiting device is used for fixing between the H-shaped two-way blackboard and the first display board, and the The third limiting device is used for fixing between the I-shaped two-way blackboard and the third display board.

As one of the preferred modes of the present invention, it also includes a second limiting device and a fourth limiting device, the second limiting device is used for fixing between the first display board and the second display board, and the first The four limiting devices are used for fixing between the third display board and the fourth display board.

As one of the preferred modes of the present invention, the first limiting device and the third limiting device are both magnets, and the I-shaped two-way blackboard, the first display board and the third display board are made of iron.

As one of the preferred modes of the present invention, the second limiting device and the fourth limiting device are magnets, and the first display board, the second display board, and the fourth display board are made of iron.

Compared with the prior art, the utility model has the advantages that the teaching and learning board is compact in structure and flexible in use, can effectively reduce the labor intensity of teachers, can be used selectively according to actual needs during teaching, and is placed stably, greatly improving the teaching quality. The display area of the equipment can freely adjust the height and rotation angle of the learning board, which is convenient for students to better watch and study.

Description of drawings

Fig. 1 is a side structure schematic diagram of the utility model.

detailed description

The following is a detailed description of the embodiments of the present utility model. This embodiment is implemented on the premise of the technical solution of the present utility model, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present utility model is not limited to the following the described embodiment.

Example 1

Referring to Fig. 1: a kind of double-sided English teaching and learning board is characterized in that, comprises base (1), I-shaped two-way blackboard (2), the first display board (3), the 3rd display board (33), fixing device , the upper end of the base (1) is connected to the I-shaped two-way blackboard (2) through a fixing device, the upper and lower ends of the first display board (3) are provided with ribs, and the I-shaped two-way blackboard (2) is The upper and lower ends of the side inner side are provided with concave grooves matching the convex ribs of the first display board (3), and the convex ribs at the upper end of the first display board (3) can be arranged along the inner side of one side of the I-shaped two-way blackboard (2). The upper and lower ends of the concave groove slide horizontally, the upper and lower ends of the third display board (3) are provided with convex ribs, and the upper and lower ends of the other side of the I-shaped two-way blackboard (2) are provided with the third display board. (3) concave grooves matched with convex ribs, the convex ribs at the upper end of the third display board (33) can slide horizontally along the concave grooves at the upper and lower ends of the inner side of the other side of the I-shaped two-way blackboard (2). Both sides of the bottom of the I-shaped two-way blackboard (2) are provided with a first placement box (201) and a second placement box (202) for collecting chalk dust and storing chalk, and one side of the I-shaped two-way blackboard (2) The blackboard is provided with a four-line grid (21), and also includes a second display board (4), the upper and lower ends of the second display board (4) are provided with ribs, and the upper and lower sides of the first display board (3) are The end is provided with a concave groove matching the convex rib of the second display board (4), and the convex rib at the top of the second display board can slide horizontally along the inner side of the concave groove at the upper and lower ends of the first display board (3). The fourth display board (44), the upper and lower ends of the fourth display board (44) are provided with ribs, and the upper and lower ends of the inner side of the third display board (33) are provided with convex ribs with the fourth display board (44). Ribs match concave grooves, the convex ribs on the upper end of the fourth display board (44) can slide horizontally along the inside of the concave grooves at the upper and lower ends of the third display board (3)

As one of the preferred modes of the present invention, the fixing device includes a rotatable device and a telescopic device, the rotatable device is connected to the telescopic device, the rotatable device includes a rotating shaft (5), and the telescopic device includes Sleeve (7), spring (8) and sleeve rod (6), the round cap at the upper end of the sleeve rod (6) is stuck in the hollow part of the inner bottom of the rotating shaft (5), and the thickness of the round cap is slightly smaller than the inner bottom of the rotating shaft The height of the hollow part, the inside of the sleeve rod is provided with a spring (8) in the vertical direction, one end of the spring (8) is connected to the base (1), and the other end is connected to the bottom of the sleeve rod (6).

As one of the preferred modes of the present invention, a limit screw (9) is also included, and the limit screw (9) is arranged on the side wall of the gap between the sleeve rod (6) and the sleeve (7).

As one of the preferred modes of the present invention, it also includes a first limiting device (301) and a third limiting device (331), the first limiting device (301) is used for the I-shaped two-way blackboard (2) It is fixed with the first display board (3), and the third limiting device (331) is used for fixing between the I-shaped two-way blackboard (2) and the third display board (33).

As one of the preferred modes of the present invention, it also includes a second limiting device (302) and a fourth limiting device (332), the second limiting device (302) is used for the first display board (3) and The second display boards (4) are fixed, and the fourth limiting device (332) is used for fixing between the third display board (3) and the fourth display board (4).

As one of the preferred modes of the present invention, the first limiting device (301) and the third limiting device (331) are both magnets, and the I-shaped two-way blackboard (2) and the first display board (3 ), the third display board (33) are iron materials.

As one of the preferred modes of the present utility model, both the second limiting device (302) and the fourth limiting device (332) are magnets, and the first display board (3) and the second display board (4) , The fourth display board (44) is iron material.

As one of the preferred modes of the present invention, the base (1) is a circular base.

When teaching display is required, pull the first display board and the second display board on the front to the horizontal direction, pull the third display board and the fourth display board on the back to the horizontal direction, and stagger the display boards in two directions. The actual area of the teaching display is greatly improved, and the teaching is fixed by the limit device (magnet), the appropriate height is adjusted by the retractable device, and the appropriate angle is adjusted by the rotating device, which is more convenient for students to learn. Through the I-shaped two-way blackboard It can realize double-sided writing teaching. In addition, there are four grid lines on one side of the blackboard to facilitate the learning of English teaching. The chalk dust is collected through the first storage box and the second storage box, which is more environmentally friendly.

When not in use, open the limit device (unplug the magnet), shrink the first display board and the second display board, the third display board and the fourth display board, which greatly saves the actual floor area of the equipment. (magnet) fixed limit operation.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (7)

1. a kind of double-sided English teaching and learning board is characterized in that, comprises base (1), I-shaped two-way blackboard (2), the first display board (3), the 3rd display board (33), fixture, all The upper end of the base (1) is connected to the I-shaped two-way blackboard (2) through a fixing device, the upper and lower ends of the first display board (3) are provided with convex ribs, and the inside of one side of the I-shaped two-way blackboard (2) The upper and lower ends are provided with concave grooves matching the convex ribs of the first display board (3), and the convex ribs at the upper end of the first display board (3) can be arranged up and down along the inner side of the I-shaped two-way blackboard (2). Horizontal sliding in the concave groove at the end, the upper and lower ends of the third display board (3) are provided with convex ribs, and the upper and lower ends of the other side of the I-shaped two-way blackboard (2) are provided with the third display board (3) ), the convex ribs at the upper end of the third display board (33) can slide horizontally along the concave grooves at the upper and lower ends of the inner side of the other side of the I-shaped two-way blackboard (2), and the I-shaped Type two-way blackboard (2) bottom both sides are provided with the first placement box (201) and the second placement box (202) that are used to collect chalk dust and store chalk, one side blackboard of described I-shaped two-way blackboard (2) There are four grids (21), the fixed device includes a rotatable device and a telescopic device, the rotatable device is connected to the telescopic device, the rotatable device includes a shaft (5), and the telescopic device includes a sleeve (7), spring (8) and sleeve rod (6), the round cap at the upper end of the sleeve rod (6) is stuck in the hollow part of the inner bottom of the rotating shaft (5), and the thickness of the round cap is slightly smaller than the hollow part at the inner bottom of the rotating shaft height, the inside of the sleeve rod is provided with a spring (8) in the vertical direction, one end of the spring (8) is connected to the base (1), the other end is connected to the bottom of the sleeve rod (6), and a limit screw (9 ), the limit screw (9) is located on the side wall of the gap between the sleeve rod (6) and the casing (7). 2. The double-sided English teaching and learning board according to claim 1 is characterized in that it also includes a second display board (4), and the upper and lower ends of the second display board (4) are provided with ribs, and the second display board (4) is provided with ribs. The upper and lower ends of the inner side of a display board (3) are provided with concave grooves matching the convex ribs of the second display board (4), and the convex ribs at the top of the second display board can be moved up and down along the first display board (3). The inner side of the concave groove at the end slides horizontally. 3. The double-sided English teaching and learning board according to claim 1, is characterized in that, also comprises a fourth display board (44), the upper and lower ends of the fourth display board (44) are provided with ribs, and the first Three display boards (33) inboard upper and lower ends are provided with concave grooves matching with the convex ribs of the fourth display board (44), and the convex ribs on the upper end of the fourth display board (44) can follow the third display board (3 ) slide horizontally inside the concave grooves at the upper and lower ends. 4. The double-sided English teaching and learning board according to claim 1, further comprising a first limiting device (301) and a third limiting device (331), the first limiting device (301) Used for fixing between the I-shaped two-way blackboard (2) and the first display board (3), the third limiting device (331) is used for the I-shaped two-way blackboard (2) and the third display board (33) ) between phase fixed. 5. The double-sided English teaching and learning board according to claim 1, further comprising a second limiting device (302) and a fourth limiting device (332), the second limiting device (302) It is used for fixing between the first display board (3) and the second display board (4), and the fourth limiting device (332) is used for the connection between the third display board (3) and the fourth display board (4). The interphase is fixed. 6. The double-sided English teaching and learning board according to claim 4, characterized in that, the first limiting device (301) and the third limiting device (331) are magnets, and the I-shaped two-way blackboard (2) and the first display board (3) and the third display board (33) are all iron materials. 7. The double-sided English teaching and learning board according to claim 5, characterized in that, the second limiting device (302) and the fourth limiting device (332) are magnets, and the first display board ( 3) The second display board (4) and the fourth display board (44) are all iron materials.