CN212546089U

CN212546089U - Demonstration teaching aid for primary school scientific interactive teaching

Info

Publication number: CN212546089U
Application number: CN202020679053.1U
Authority: CN
Inventors: 袁鸣
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2021-02-19
Anticipated expiration: 2030-04-28

Abstract

The utility model discloses a display teaching aid for scientific interactive teaching of primary schools, which comprises a table board, wherein extension plates are rotatably arranged on two sides of the table board, openings are respectively arranged on two sides of the table board, a connecting column is arranged on one side of the extension plate, which is close to the table board, the connecting column is hinged in the opening, and the extension plate rotates up and down in the opening through the connecting column; the bottom surface parallel of extension board be equipped with two recesses one, recess one in keep away from the one end of mesa and rotate and be equipped with the support column, the support column on be equipped with the through-hole, the through-hole in be equipped with the bracing piece, the extension board on be equipped with the clamping device who is used for fixed scientific experiment articles for use, the inside cross cavity that is equipped with of clamping device, cavity center be equipped with the pillar, the pillar pass through the claw that props up of spring coupling L type, the one end of a claw be located the cavity, the other end extends to the outside of card clamping device. The utility model has the advantages that: simple structure and convenient use.

Description

Demonstration teaching aid for primary school scientific interactive teaching

Technical Field

The utility model relates to primary school's education articles for use field specifically indicates a show teaching aid is used in interactive teaching of primary school's science.

Background

The scientific experiment different from the traditional teaching has a large development space in the primary school course, and with the development of social informatization, the scientific experiment course can also become an advanced subject in the near future, so that the students are promoted to cultivate correct scientific view and scientific literacy, and the method is beneficial to the cultivation of the primary school scientific experiment.

Experiments are the most direct means for understanding scientific learning, and are more direct and objective, and if no experiments exist, the theory of a scientific course becomes a decoration and cannot play the role that the scientific course should play. Although the theoretical knowledge is important to learn, experiments are indispensable, so the habit of developing scientific knowledge is far superior to the grasp of scientific knowledge, and the habit of developing scientific knowledge is necessary to develop science and donate the scientific spirit, which is not only beneficial to the study of students today, but also beneficial to the development of the lifelong sustainable ability of the students and establish correct scientific view. The application of the scientific experiment course also promotes the diversified development of the education cause to a certain extent, the comprehensive cultivation of the quality education of students provides a certain foundation for the cultivation of future compound talents, and the correct scientific consciousness can be established from childhood, which is a habit difficult to obtain.

At present student's desk shape is more fixed, and when the data of needs is more, perhaps experimental apparatus is more, and current podium length can not satisfy the student and use to when placing books, can only keep flat, in the experimentation, inconvenient observation books. Therefore, a display teaching aid for primary school scientific interactive teaching needs to be researched.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve is above technical problem, provides a show teaching aid is used in interactive teaching of primary school's science.

In order to solve the technical problem, the utility model provides a technical scheme does: a display teaching aid for scientific interactive teaching of primary schools comprises a table board, wherein a drawer is arranged below the table board, one side, away from the table board, of the drawer is provided with a supporting leg for supporting, two sides of the table board are rotatably provided with extending plates, two sides of the table board are respectively provided with a notch, one side, close to the table board, of each extending plate is provided with a connecting column, the connecting columns are hinged in the notches, and the extending plates rotate up and down in the notches through the connecting columns;

the bottom surface of the extension plate is provided with two first grooves in parallel, one end, far away from the table top, in each first groove is rotatably provided with a support column, each support column is of a telescopic structure, each support column is provided with a through hole, a support rod is arranged in each through hole and comprises a first rod and two second rods, and the second rods are hinged to two ends of the first rods;

the extension board on be equipped with the clamping device who is used for fixed scientific experiment articles for use, clamping device inside be equipped with cross cavity, the cavity center be equipped with the pillar, the pillar pass through the claw that props up of spring coupling L type, the one end of a claw be located the cavity, the other end extends to the outside of card clamping device.

As an improvement, a second groove for placing a bookshelf is formed in the upper portion of the table top, the bookshelf is hinged in the second groove, a supporting plate is rotatably arranged at the upper end of one face, close to the second groove, of the bookshelf, the bookshelf can be contained in the second groove, a fourth groove is formed in the table top, far away from the second groove, of the table top, and the length of the fourth groove is consistent with that of the table top.

As an improvement, a third groove for placing a blackboard eraser is formed in the table top, and a pen container for placing stationery is arranged on the table top.

As an improvement, the extension plate keeps horizontal with the table top when the upward rotation angle is maximum, and the extension plate keeps parallel with the supporting legs when the downward rotation angle is maximum, so that the design is to limit the rotation angle to ensure that the table top and the extension plate keep horizontal when the extension plate is used, and the use is not influenced.

As an improvement, the lower end of one side of the bookshelf far away from the supporting plate is provided with a bookend, and the bookend is designed to prevent books from sliding off the bookshelf when the bookshelf inclines.

Compared with the prior art, the utility model the advantage lie in: in the device provided by the utility model, the two sides of the table-board are both provided with the extension plates, the extension plates can be used in an extended way according to the needs, and the extension plates are provided with two support columns, the support columns are of a telescopic structure, the stability of the extension plates is ensured, the support columns are fixed by utilizing the support rods, the operation is convenient, and the support effect is good; the clamping device can be used for fixing experimental articles, and the spring and the supporting claw are used for automatic fixing, so that the stabilizing effect is good; the table top below is equipped with the drawer, conveniently accomodates debris, is equipped with the bookshelf on the table top, and the bookshelf articulates in recess two, can adjust inclination according to user's needs, and the bookshelf back is equipped with the backup pad, places great or heavier book and also can reach good effect, still is equipped with the recess that prevents chalk or pen and roll off on the table top.

Drawings

Fig. 1 is the utility model relates to a primary school's science is the schematic structure of show teaching aid for interactive teaching.

Fig. 2 is the utility model relates to a scientific interactive teaching of primary school is with the structural schematic diagram of extension board of show teaching aid.

Fig. 3 is the utility model relates to a bookshelf of the show teaching aid for primary school's science interactive teaching's structural schematic.

Fig. 4 is the utility model relates to a structural schematic diagram of bracing piece of show teaching aid for primary school's science interactive teaching.

Fig. 5 is the utility model relates to a clamping device's for interactive teaching show teaching aid of primary school's science schematic structure.

As shown in the figure: 1. the multifunctional pen container comprises a table board, 1.1 parts of notches, 1.2 parts of grooves II, 1.3 parts of grooves III, 1.4 parts of pen containers, 1.5 parts of grooves IV, 2 parts of drawers, 3 parts of supporting legs, 4 parts of extending plates, 5 parts of grooves I, 6 parts of supporting columns, 6.1 parts of through holes, 7 parts of supporting rods, 7.1 parts of rods I, 7.2 parts of rods II, 8 parts of bookshelf, 8.1 parts of book blocks, 9 parts of supporting plates, 10 parts of clamping devices, 11 parts of cavities, 11.1 parts of supporting columns, 12 parts of springs, 13 parts of supporting claws.

Detailed Description

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

A display teaching aid for primary school scientific interactive teaching comprises a table board 1, wherein a drawer 2 is arranged below the table board 1, one side, far away from the table board 1, of the drawer 2 is provided with a supporting leg 3 for supporting, two sides of the table board 1 are rotatably provided with extending plates 4, two sides of the table board 1 are respectively provided with an opening 1.1, one side, close to the table board 1, of each extending plate 4 is provided with a connecting column 4.1, the connecting columns 4.1 are hinged in the openings 1.1, and the extending plates 4 rotate up and down in the openings 1.1 through the connecting columns 4.1;

the bottom surface of the extension plate 4 is provided with two grooves I5 in parallel, one end, far away from the table board 1, in each groove I5 is rotatably provided with a support column 6, each support column 6 is of a telescopic structure, each support column 6 is provided with a through hole 6.1, a support rod 7 is arranged in each through hole 6.1, each support rod 7 comprises a rod I7.1 and two rod II 7.2, and each rod II 7.2 is hinged to two ends of each rod I7.1;

extension plate 4 on be equipped with clamping device 10 that is used for fixed scientific experiment articles for use, clamping device 10 inside be equipped with cross cavity 11, cavity 11 center be equipped with pillar 11.1, pillar 11.1 pass through the branch claw 13 of spring 12 connection L type, the one end of branch claw 13 be located cavity 11, the other end extends to the outside of card clamping device 10.

The bookshelf is characterized in that a second groove 1.2 for placing a bookshelf 8 is formed in the upper portion of the table board 1, the bookshelf 8 is hinged in the second groove 1.2, a supporting plate 9 is rotatably arranged at the upper end of one surface, close to the second groove 1.2, of the bookshelf 8, the bookshelf 8 can be contained in the second groove 1.2, a fourth groove 1.5 is formed in the table board 1, far away from the second groove 1.2, and the length of the fourth groove 1.5 is consistent with that of the table board 1.

The blackboard eraser is characterized in that a groove III 1.3 for placing blackboard eraser is arranged on the table top 1, and a pen container 1.4 for placing stationery is arranged on the table top 1.

The extension plate 4 keeps horizontal with the table-board 1 when the upward rotation angle is maximum, and the extension plate 4 keeps parallel with the support legs 3 when the downward rotation angle is maximum.

The lower end of one side of the bookshelf 8 far away from the supporting plate 9 is provided with a bookend 8.1.

The utility model discloses a theory of operation: firstly, the connecting column 4.1 is rotated, the extending plate 4 is rotated upwards to the maximum angle, the table board 1 and the extending plate 4 are kept on the same horizontal line, the supporting column 6 is pulled out from the first groove 5, the supporting column 6 is of a telescopic structure, after the height is adjusted to be proper, the supporting rod 7 is placed in the through hole 6.1, the first rod 7.1 supports the second rod 7.2, the second rod is attached to the supporting column 6, fixing is completed, an experimental article is placed in the clamping device 10, the supporting claw 13 extends outwards, automatic clamping is performed by the spring 12, stability is improved, the bookshelf 8 is pulled up from the second groove 1.2, the supporting plate 9 supports the experimental article after the experimental article is rotated to the proper angle, and the bookend 8.1 can prevent books from falling off and separating from the bookshelf 8 when in use.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a show teaching aid is used in interactive teaching of primary school's science, includes mesa (1), mesa (1) below be equipped with drawer (2), drawer (2) keep away from one side of mesa (1) and be equipped with supporting leg (3) that are used for the support, mesa (1) both sides rotate and be equipped with extension board (4), its characterized in that: openings (1.1) are respectively formed in two sides of the table board (1), a connecting column (4.1) is arranged on one side, close to the table board (1), of the extension plate (4), the connecting column (4.1) is hinged in the openings (1.1), and the extension plate (4) rotates up and down in the openings (1.1) through the connecting column (4.1);

the bottom surface of the extension plate (4) is provided with two first grooves (5) in parallel, one ends, far away from the table top (1), of the first grooves (5) are rotatably provided with support columns (6), the support columns (6) are of telescopic structures, through holes (6.1) are formed in the support columns (6), support rods (7) are arranged in the through holes (6.1), each support rod (7) comprises a first rod (7.1) and two second rods (7.2), and the second rods (7.2) are hinged to two ends of the first rods (7.1);

extension board (4) on be equipped with clamping device (10) that are used for fixed scientific experiment articles for use, clamping device (10) inside be equipped with cross cavity (11), cavity (11) center be equipped with pillar (11.1), pillar (11.1) connect a claw (13) of L type through spring (12), the one end of a claw (13) be located cavity (11), the other end extends to the outside of card clamping device (10).

2. The demonstration teaching aid for primary school science interactive teaching of claim 1, characterized in that: the bookshelf is characterized in that a second groove (1.2) for placing a bookshelf (8) is formed in the upper portion of the table board (1), the bookshelf (8) is hinged into the second groove (1.2), a supporting plate (9) is rotatably arranged at the upper end of one face, close to the second groove (1.2), of the bookshelf (8), the bookshelf (8) can be stored in the second groove (1.2), a fourth groove (1.5) is formed in the table board (1) far away from the second groove (1.2), and the length of the fourth groove (1.5) is consistent with that of the table board (1).

3. The demonstration teaching aid for primary school science interactive teaching of claim 1, characterized in that: the blackboard eraser is characterized in that a groove III (1.3) for placing blackboard eraser is formed in the table top (1), and a pen container (1.4) for placing stationery is arranged on the table top (1).

4. The demonstration teaching aid for primary school science interactive teaching of claim 1, characterized in that: the extension plate (4) keeps horizontal with the table top (1) when the upward rotation angle is maximum, and the extension plate (4) keeps parallel with the support legs (3) when the downward rotation angle is maximum.

5. The demonstration teaching aid for primary school science interactive teaching of claim 2, characterized in that: the lower end of one surface of the bookshelf (8) far away from the supporting plate (9) is provided with a bookend (8.1).