CN211519124U - A multifunctional drawing board for teaching comprehensive practical activities in primary schools - Google Patents

Abstract

The utility model relates to the field of teaching appliances, in particular to a multifunctional drawing board for teaching comprehensive practical activities in elementary schools. The drawing board can be rotated so that a plurality of children can teach around the device, which increases the interest of teaching and effectively solves the problem of background Issues raised in technology. It includes a base, the four corners of the bottom of the base are respectively provided with universal wheels, the middle position of the upper surface of the base is fixed with a vertical column, the column is sleeved with a cylinder, and one side of the top of the cylinder is screwed through from outside to inside to limit the position Bolts, an annular limit plate is provided at the upper sixth of the bottom of the column, the cylinder can be rotated above the limit plate, and a number of transverse struts are arranged on the side of the cylinder, and the inner end of the strut passes through the first hinge shaft The outer end of the support rod is connected with the fixing block through the second hinge shaft, and the outer side of the fixing block is provided with a drawing board; the outer peripheral surface of the limit plate is evenly distributed with a plurality of storage boxes with upper openings. It is simple to operate, easy to use, and suitable for a variety of places.

Description

A multifunctional drawing board for teaching comprehensive practical activities in primary schools

technical field

The utility model relates to the field of teaching appliances, in particular to a multifunctional drawing board for teaching comprehensive practical activities in elementary schools.

Background technique

With the advancement of science and technology and the development of society, my country's educational supplies have developed rapidly, followed by the rapid development of primary school teaching supplies. At present, in the process of teaching children, drawing boards are often used for children to paint. The existing drawing board usually only includes a simple drawing board, which can be directly placed on the desktop when children use it, or a shelf board with a guard plate fixed on one side of the shelf board, and children are lively and active and like fun. Teaching, the teaching aids of the above structure are obviously relatively boring, which is not conducive to interesting teaching.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides a multifunctional drawing board for teaching comprehensive practical activities in primary schools. The drawing board can be rotated, so that a plurality of children can teach around the device, which increases the interest of teaching and is effective. Solve the problems raised in the background art.

In order to achieve the above purpose, the utility model provides the following technical solutions: a multifunctional drawing board for teaching comprehensive practical activities in primary schools, characterized in that it comprises a base, the base is in the shape of a flat cuboid as a whole, and the bottom of the base is in the shape of a flat cuboid. The four corners are respectively provided with universal wheels with positioning function, the middle position of the upper surface of the base is fixed with a vertical column, the column is sleeved with a cylinder, and the top side of the cylinder is screwed through from the outside to the inside Limiting bolts, an annular limit plate is provided at the upper sixth of the bottom of the column, the cylinder can be rotated above the limit plate, the side of the cylinder is provided with a number of transverse struts, the The inner end of the support rod is connected to the side of the cylinder through a first hinge shaft with a positioning function, and the outer end of the support rod is connected to a fixed block through a second hinge shaft with a positioning function. There is a drawing board on the outside;

A plurality of storage boxes with upper openings are uniformly distributed on the outer peripheral surface of the limiting plate.

Preferably, a circle of balls is arranged between the bottom surface of the cylindrical cylinder and the base, and a circle of arc-shaped grooves for matching with the balls are embedded on the bottom surface of the cylindrical cylinder and the upper surface of the base respectively.

Preferably, the fixed block is in the shape of a vertically flat cuboid as a whole, a plurality of rectangular grooves are embedded on the outer surface, the bottom surface of the rectangular groove is fixed with a first magnetic block, and the drawing board has a rectangular structure as a whole. The back side is fixedly provided with a plug-in block matched with the rectangular groove, and the outer end surface of the plug-in block is provided with a second magnetic block which is adsorbed and matched with the first magnetic block.

Preferably, the storage boxes are respectively in the shape of a rectangular parallelepiped with an upper opening, and the inner side walls are fixedly connected with the limiting plate through bolts.

Preferably, the inner surface of the storage box is provided with a rubber layer.

Preferably, the struts on the upper side and the struts on the lower side are staggered.

Compared with the prior art, the utility model provides a multifunctional drawing board for teaching comprehensive practical activities in primary schools, which has the following beneficial effects:

1. Through the utility model, the cylinder can be rotated above the limit plate, the side of the cylinder is provided with a number of transverse struts, and the inner end of the strut passes through the first hinge shaft with the positioning function and the cylinder. The side of the cylinder is connected, and the outer end of the support rod is connected with the fixed block through the second hinge shaft with the positioning function. The outside of the fixed block is provided with a drawing board. When in use, the device can be pushed to the In the classroom or outdoors, and the limit is fixed, children can draw and write around the drawing board, and the height and angle of the drawing board can be adjusted through the first hinge axis and the second hinge axis, which is beneficial to children of different heights, and the cylinder can surround the column. Rotating, it is convenient for children to observe other children's works, easy to learn from each other, and it can also be limited by limit bolts, which increases the fun of use and improves the teaching effect.

2. In the present invention, a plurality of storage boxes with upper openings are evenly distributed on the outer peripheral surface of the limiting plate. When in use, the storage boxes can store stationery such as chalks and rulers, which is convenient for children to use.

3. The utility model is provided with a circle of balls between the bottom surface of the cylindrical cylinder and the base, and the bottom surface of the cylindrical cylinder and the upper surface of the base are respectively embedded with a circle of arc-shaped grooves that cooperate with the balls. When in use, the balls and the arc-shaped grooves are The cooperation of the cylinder is conducive to the smoothness of the rotation of the cylinder.

4. The utility model adopts the fixed block as a whole in the shape of a vertically flat cuboid, the outer surface is embedded with a number of rectangular grooves, the bottom surface of the rectangular groove is fixed with a first magnetic block, and the drawing board has a rectangular structure as a whole, The back side is fixedly provided with a plug-in block that cooperates with the rectangular groove, and the outer end surface of the plug-in block is provided with a second magnetic block that is adsorbed and matched with the first magnetic block. It is beneficial to fix the drawing board, and the drawing board can be conveniently removed through the cooperation of the magnetic blocks, and can be placed on the desktop for independent use, which increases the functionality of the device.

Description of drawings

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

Fig. 2 is the enlarged schematic diagram of the cooperation between the fixed block and the drawing board;

FIG. 3 is a schematic diagram of the structure of the back of the drawing board.

Indicated in the figure:

1. base; 11. universal wheel; 2. strut, 21. limit plate; 211. storage box; 3. cylinder; 31. limit bolt; 4. strut; 41. first hinge shaft; 42. Second hinge shaft; 5. Fixed block; 51. Rectangular groove; 52. First magnet; 6. Drawing board; 61. Insert; 611. Second magnet.

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.

As shown in FIGS. 1 to 3 , a multifunctional drawing board for teaching comprehensive practical activities in primary schools includes a base 1, the base 1 is in the shape of a flat cuboid as a whole, and the four corners of the bottom of the base 1 are respectively provided with The universal wheel 11 with the positioning function, a vertical column 2 is fixed at the middle position of the upper surface of the base 1, and a cylindrical cylinder 3 is sleeved on the column 2. Screw the limit bolt 31, the upper one-sixth of the bottom of the column 2 is provided with an annular limit plate 21, the cylinder 3 can rotate above the limit plate 21, and the side of the cylinder 3 is provided with several The lateral support rod 4, the inner end of the support rod 4 is connected with the side surface of the cylindrical cylinder 3 through the first hinge shaft 41 with a positioning function (prior art), and the outer end of the support rod 4 has a positioning function. The functional second hinge shaft 42 is connected with the fixing block 5 , and the drawing board 6 is provided on the outer side of the fixing block 5 .

In the above embodiment, specifically, a plurality of storage boxes 211 with upper openings are evenly distributed on the outer peripheral surface of the limiting plate 21 .

In the above-mentioned embodiment, more specifically, a circle of balls (not shown in the figure) is arranged between the bottom surface of the cylindrical cylinder 3 and the base, and a circle of balls is embedded in the bottom surface of the cylindrical cylinder 3 and the upper surface of the base 1 respectively. Arc grooves (not shown in the figure).

In the above embodiment, more specifically, the fixed block 5 is in the shape of a vertically flat cuboid as a whole, a plurality of rectangular grooves 51 are embedded on the outer surface, and the bottom surface of the rectangular groove 51 is fixed with a first magnetic block. 52. The drawing board 6 has a rectangular structure as a whole, and the back side is fixedly provided with an insert block 61 that cooperates with the rectangular groove 51. The outer end surface of the insert block 61 is provided with a second magnet block that is adsorbed and matched with the first magnet block 52. 611.

In the above embodiment, more specifically, the storage boxes 211 are respectively in the shape of a rectangular parallelepiped with an upper opening, and the inner side walls are fixedly connected to the limiting plate 21 by bolts (not shown in the figure).

In the above embodiment, more specifically, the inner surface of the storage box 211 is provided with a rubber layer (not shown in the figure).

In the above-mentioned embodiment, more specifically, the struts 4 on the upper side and the struts 4 on the lower side are alternately distributed. Easy to adjust the height up and down.

Working principle: It can be pushed to the classroom or outdoors through the universal wheel 11, and the limit is fixed, then the child can draw and write around the drawing board 6, and the height and the height of the drawing board 6 can be adjusted through the first hinge shaft 41 and the second hinge The angle is convenient for children of different heights, and the cylinder 3 can be rotated around the column 2, which is convenient for children to observe other children's works and learn from each other. teaching effect. The storage box 211 can store stationery such as chalk and ruler, which is convenient for children to use. The cooperation between the ball and the arc groove is beneficial to the smoothness of the rotation of the cylinder 3 . The cooperation of the first magnetic block 52 and the second magnetic block 611 facilitates the fixation of the drawing board 6, and the drawing board 6 can be easily removed through the cooperation of the magnetic blocks, and can be used alone on a desktop, thereby increasing the functionality of the device.

The components used in the present invention are all common standard components or components known to those skilled in the art, and their structures and principles are well known to those skilled in the art.

It should be noted that, in this document, relational terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

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 (6)

1. The utility model provides a teaching of primary school's comprehensive practice activity is with multi-functional drawing and writing board which characterized in that: the drawing board is characterized by comprising a base, wherein the whole base is in a flat cuboid shape, universal wheels with a positioning function are respectively arranged at four corners of the bottom of the base, a vertical upright post is fixedly arranged in the middle of the upper surface of the base, a cylindrical barrel is sleeved on the upright post, a limiting bolt is screwed in a penetrating manner from outside to inside on one side of the top of the cylindrical barrel, an annular limiting plate is arranged at one sixth position on the upper side of the bottom of the upright post, the cylindrical barrel can rotate above the limiting plate, a plurality of transverse supporting rods are arranged on the side surface of the cylindrical barrel, the inner end parts of the supporting rods are connected with the side surface of the cylindrical barrel through first hinge shafts with the positioning function, the outer end parts of the supporting rods are connected with a fixed block through second hinge shafts;

the outer peripheral surface of the limiting plate is uniformly provided with a plurality of storage boxes with upper openings.

2. The multifunctional drawing and writing board for teaching of comprehensive practice activities of primary schools according to claim 1, wherein: a circle of ball is arranged between the bottom surface of the cylindrical barrel and the base, and a circle of arc-shaped groove matched with the ball is embedded in the bottom surface of the cylindrical barrel and the upper surface of the base respectively.

3. The multifunctional drawing and writing board for teaching of comprehensive practice activities of primary schools according to claim 1, wherein: the whole vertical flat cuboid form that is of fixed block, a plurality of rectangle recesses have been inlayed to the surface, rectangle recess bottom surface fixed be equipped with first magnetic path, the whole rectangle structure that is of drawing board, the back is fixed be equipped with rectangle recess complex inserted block, the outer terminal surface of inserted block be equipped with first magnetic path adsorption complex second magnetic path.

4. The multifunctional drawing and writing board for teaching of comprehensive practice activities of primary schools according to claim 1, wherein: the storage boxes are respectively in a cuboid shape with an upper opening, and the inner side wall is fixedly connected with the limiting plate through bolts.

5. The multifunctional drawing and writing board for teaching of comprehensive practice activities of primary schools according to claim 1, wherein: the inner surface of the storage box is provided with a rubber layer.

6. The multifunctional drawing and writing board for teaching of comprehensive practice activities of primary schools according to claim 1, wherein: the struts on the upper side and the struts on the lower side are distributed in a staggered manner.

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