CN215271453U

CN215271453U - Teaching board for high school chemistry teaching

Info

Publication number: CN215271453U
Application number: CN202120384908.2U
Authority: CN
Inventors: 罗小玉
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-20
Filing date: 2021-02-20
Publication date: 2021-12-24
Anticipated expiration: 2031-02-20

Abstract

The utility model discloses a high school's chemistry teaching is with teaching board relates to teaching board field, including the cabinet body, receiving mechanism and wiping mechanism, inside one side of the cabinet body is provided with two and places the cabinet, the outer wall of the cabinet body is located one the one end of placing the cabinet is provided with the cabinet door, another the inside of placing the cabinet is provided with a plurality of drawers. The utility model discloses a set up the limiting plate, the spacing groove, the fixed axle, spacing spring, gear and rack board, realize upwards drawing the lifting ring, make the limiting plate bottom break away from with the top outer wall of gear, then rotate the runner, make gear work rotate, under the meshing rotation effect of rack board and gear, realize the inner wall rebound of show board along the board groove, thereby rise to cabinet body top with the show board, the release pull ring, it is fixed to make the outer wall of spacing bottom to the gear carry out the block, avoid gear revolve to make rack board rebound drive show board rebound, influence the teaching.

Description

Teaching board for high school chemistry teaching

Technical Field

The utility model relates to a teaching board field specifically is a teaching board is used in high school's chemistry teaching.

Background

Chemistry is one of natural science, the composition, properties, structure and change rule of substances are researched on the molecular and atomic level, and the cooperation of more teaching aids is needed for chemical teaching along with various chemical experiments besides teaching theoretical knowledge; along with the development of Chinese economy and the progress of scientific technology, the investment of the nation in education is increased year by year, education facilities are gradually improved, particularly, the national science and technology strong national strategy and the innovative business creation plan are provided, so that the innovative thinking of the student is the primary choice of education, in the natural science field, the student starts to contact chemistry from the middle of the education, and a teaching display board is used in the chemical teaching process.

According to the mutual movable plate of chemistry that chinese patent No. CN 211349749U disclosed, the intelligent cabinet temperature adjusting device comprises a cabinet body, cabinet body bottom four corners difference fixed mounting has a universal wheel, and cabinet body one side fixedly connected with rectangular block, lie in two rings of one side fixedly connected with of rectangular block on the cabinet body, two the cover is equipped with a round bar on the ring, a round bar bottom fixedly connected with disc, and the cover is equipped with a spring that is located between ring and the disc on the round bar. This mutual movable plate of chemistry teaching removes the cabinet body and blank between the passageway through the universal wheel, and the passageway both sides student of being convenient for closely observes experimental phenomenon, and the student of being convenient for simultaneously contrasts chemical equation, the principle on the blank two sides of experiment mesa top, and passageway both sides student homoenergetic is participated in simultaneously moreover, improves interactive teaching quality and efficiency, through cooperation between rectangular block, ring, round bar, disc, spring, rectangular plate, handle, can remove and fix convenient operation at the cabinet body.

However, the whiteboard of the above-mentioned patent publication is not moved and stored in the cabinet body when not in use, so that it is inconvenient to store, and the whiteboard of the above-mentioned patent publication requires manual erasing, which is troublesome and slow, and affects the efficiency of class.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that the whiteboard of the patent cannot be moved to be stored in the cabinet body when not in use, so that the whiteboard is inconvenient to store, and the blackboard writing on the whiteboard of the patent needs to be manually erased, so that the whiteboard is relatively troublesome, the speed is relatively low, and the teaching efficiency is influenced, a teaching board for high school chemistry teaching is provided.

In order to achieve the above object, the utility model provides a following technical scheme: a teaching board for high school chemistry teaching comprises a cabinet body, a containing mechanism and a wiping mechanism, wherein two placing cabinets are arranged on one side of the interior of the cabinet body, a cabinet door is arranged at one end, located at one placing cabinet, of the outer wall of the cabinet body, and a plurality of drawers are arranged in the other placing cabinet;

wherein, the containing mechanism comprises a plate groove positioned in the cabinet body, a display plate is arranged in the plate groove, rack plates are symmetrically arranged at the positions of two ends of one side of the outer wall of the display plate, gear grooves are arranged at the positions, located at one side of the rack plates, of the inner wall of the plate groove, gears are arranged in the gear grooves, connecting shafts are arranged in the gears, a rotating wheel is arranged at one side of the cabinet body at one end of each connecting shaft, a handle is arranged on the outer wall of the rotating wheel, a limiting groove penetrating to the top end of the cabinet body is arranged at the top end of the gear groove, a limiting plate is arranged in the limiting groove, connecting blocks are arranged at the top ends of two sides of the limiting plate, connecting holes are arranged in the connecting blocks, a pull ring is arranged at the top end of the limiting plate, U-shaped rods are arranged at the two ends of the limiting groove at the top end of the cabinet body, and a fixed shaft is arranged at the bottom end of each U-shaped rod, and the outer wall of the fixed shaft is provided with a limiting spring at the top end of the connecting block.

As a further aspect of the present invention: the wiping mechanism comprises a transverse groove positioned on one side of the inner wall of the plate groove, a connecting plate is arranged inside the transverse groove, and a brush is arranged on one side of the connecting plate.

As a further aspect of the present invention: the outer wall of the limiting plate is matched with the inner wall of the limiting groove, and the inner wall of the connecting hole is matched with the outer wall of the fixing shaft.

As a further aspect of the present invention: one end of the transverse groove penetrates through one end of the outer wall of the cabinet body, the outer wall of the connecting plate is matched with the inner wall of the transverse groove, and one side of the outer side of the brush is matched with one side of the outer wall of the display board.

As a further aspect of the present invention: the outer wall of the gear is meshed with one side of the outer wall of the rack plate, and the outer walls of the two ends of the display plate are matched with the inner walls of the plate grooves.

As a further aspect of the present invention: the outer wall of the two ends of the connecting shaft is rotatably connected with the connecting part of the cabinet body through a bearing, and damping is arranged at one end, located at the rotating wheel, of the outer wall of the connecting shaft.

As a further aspect of the present invention: the bottom end of the fixed shaft is fixedly connected with the top end of the cabinet body, and the top end of the fixed shaft is fixedly connected with the bottom end of the U-shaped rod.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through setting up the limiting plate, the spacing groove, the fixed axle, spacing spring, gear and rack board, realize upwards drawing the pull ring, make the limiting plate bottom break away from with the top outer wall of gear, then rotate the runner, make gear work rotate, under the meshing rotation effect of rack board and gear, realize the inner wall rebound of show board edge board groove, thereby rise to cabinet body top with the show board, the release pull ring, it is fixed to carry out the block to the outer wall of gear to make the spacing board bottom, it makes rack board rebound drive show board rebound to avoid gear revolve, influence the teaching.

2. Through setting up the brush, the connecting plate, the cross slot, the limiting plate, spacing groove and board groove, realize upwards drawing the pull ring, the pull ring drives the limiting plate along spacing inslot wall rebound, make spacing spring atress shrink when fixed axle outer wall is upwards gliding along the connecting block, thereby realize the top outer wall of limiting plate bottom and gear and break away from, then the antiport runner, make the show board along the inner wall rebound of board groove, thereby make the outer wall of brush clean the outer wall of show board, thereby erase the blackboard writing content on the show board, when needs wash the brush, the connecting plate is taken out through the one end from the cross slot, thereby take the brush out the cross slot and wash.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the structure of the present invention;

fig. 3 is a sectional view of the cabinet body of the present invention;

FIG. 4 is an enlarged view of the point A of the present invention;

fig. 5 is the limiting plate structure schematic diagram of the utility model.

In the figure: 1. a cabinet body; 2. a rotating wheel; 3. a grip; 4. a brush; 5. a connecting plate; 6. a plate groove; 7. a cabinet door; 8. a connecting shaft; 9. a gear groove; 10. a gear; 11. a transverse groove; 12. a display board; 13. a rack plate; 14. a limiting groove; 15. a limiting plate; 16. a U-shaped rod; 17. a fixed shaft; 18. a limiting spring; 19. a pull ring; 20. a placing cabinet; 21. a drawer; 22. connecting blocks; 23. and connecting the holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-5, in an embodiment of the present invention, a teaching board for high school chemistry teaching includes a cabinet body 1, a receiving mechanism and a wiping mechanism, two placing cabinets 20 are disposed on one side inside the cabinet body 1, a cabinet door 7 is disposed at one end of the outer wall of the cabinet body 1, which is located at one placing cabinet 20, and a plurality of drawers 21 are disposed inside the other placing cabinet 20;

wherein, the containing mechanism comprises a plate groove 6 positioned inside the cabinet body 1, a display plate 12 is arranged inside the plate groove 6, rack plates 13 are symmetrically arranged at the two ends of one side of the outer wall of the display plate 12, gear grooves 9 are respectively arranged at one side of the inner wall of the plate groove 6, which is positioned at the rack plates 13, gears 10 are arranged inside the gear grooves 9, a connecting shaft 8 is arranged inside the gears 10, one end of the connecting shaft 8 is positioned at one side of the cabinet body 1, a rotating wheel 2 is arranged at the outer wall of the rotating wheel 2, a handle 3 is arranged at the top end of the gear grooves 9, a limiting groove 14 penetrating to the top end of the cabinet body 1 is arranged at the top end of the gear grooves 14, a limiting plate 15 is arranged inside the limiting groove 14, connecting blocks 22 are arranged at the top ends of the two sides of the limiting plate 15, connecting holes 23 are arranged inside the connecting blocks 22, a pull ring 19 is arranged at the top end of the limiting plate 15, U-shaped rods 16 are arranged at the two ends of the limiting groove 14, a fixing shaft 17 is arranged at the bottom end of the U-shaped rod 16, the outer wall of the fixed shaft 17 is provided with a limiting spring 18 at the top end of the connecting block 22.

Please refer to fig. 2 and fig. 3, the wiping mechanism includes a transverse slot 11 located at one side of the inner wall of the board slot 6, a connecting board 5 is disposed inside the transverse slot 11, and a brush 4 is disposed at one side of the connecting board 5 for wiping the display board 12.

Please refer to fig. 4 and 5, the outer wall of the limiting plate 15 fits the inner wall of the limiting groove 14, and the inner wall of the connecting hole 23 fits the outer wall of the fixing shaft 17, so that the limiting plate 15 slides along the limiting groove 14.

Please refer to fig. 2 and fig. 3, one end of the transverse slot 11 penetrates to one end of the outer wall of the cabinet 1, the outer wall of the connecting plate 5 is fit with the inner wall of the transverse slot 11, so that the connecting plate 5 can drive the brush 4 to be rapidly detached and replaced, and the outer side of the brush 4 is fit with one side of the outer wall of the display board 12, so as to clean the display board 12.

Please refer to fig. 2, the outer wall of the gear 10 is engaged with one side of the outer wall of the rack plate 13, so that the gear 10 rotates to drive the rack plate 13 to move, and the outer walls of the two ends of the display board 12 are engaged with the inner wall of the board slot 6, so as to facilitate the movement of the display board 12.

Please refer to fig. 2 and fig. 3, the connection position between the outer walls of the two ends of the connection shaft 8 and the cabinet 1 is rotatably connected through a bearing, so that the connection shaft 8 can rotate conveniently, and the damping is arranged at the end of the outer wall of the connection shaft 8, which is located at the rotating wheel 2, so as to limit the connection shaft 8 conveniently.

Please refer to fig. 4, the bottom end of the fixing shaft 17 is fixedly connected to the top end of the cabinet 1, and the top end of the fixing shaft 17 is fixedly connected to the bottom end of the U-shaped rod 16, so as to facilitate the fixing of the fixing shaft 17.

The utility model discloses a theory of operation is: when the teaching board is used in a chemical class, the pull ring 19 is pulled upwards, the pull ring 19 drives the limiting plate 15 to move upwards along the inner wall of the limiting groove 14, the limiting spring 18 is forced to contract while the connecting block 22 slides upwards along the outer wall of the fixed shaft 17, so that the bottom end of the limiting plate 15 is separated from the outer wall of the top end of the gear 10, then the handle 3 is held to rotate the rotating wheel 2, the connecting shaft 8 is driven to rotate, so that the gear 10 is driven to rotate, the display board 12 moves upwards along the inner wall of the plate groove 6 under the meshing rotation action of the rack plate 13 and the gear 10, so that the display board 12 is lifted to the top end of the cabinet body 1, then the pull ring 19 is released, the connecting block 22 slides downwards along the outer wall of the fixed shaft 17 under the elastic force resetting action of the limiting spring 18, so that the limiting plate 15 moves downwards, the bottom end of the limiting plate 15 is clamped and fixed on the outer wall of the gear 10, the situation that the gear 10 is avoided that the rack plate 13 moves downwards to drive the display board 12 to move downwards, influence teaching, when the content of writing on the blackboard of show board 12 needs to be erased, through upwards pulling pull ring 19 once more, pull ring 19 drives limiting plate 15 and upwards removes along spacing groove 14 inner wall, make spacing spring 18 atress shrink when fixed axle 17 outer wall upwards slides at connecting block 22, thereby realize that limiting plate 15 bottom breaks away from with the top outer wall of gear 10, then counter-rotating runner 2, make show board 12 along the inner wall downstream of board groove 6, thereby make the outer wall of brush 4 clean the outer wall of show board 12, thereby erase the writing on the board of show 12 content, when needs wash brush 4, connecting plate 5 is taken out through the one end from cross slot 11, thereby take out cross slot 11 with brush 4 and wash.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The teaching board for the high school chemistry teaching comprises a cabinet body (1), a containing mechanism and a wiping mechanism, and is characterized in that two placing cabinets (20) are arranged on one side inside the cabinet body (1), a cabinet door (7) is arranged at one end, located on one placing cabinet (20), of the outer wall of the cabinet body (1), and a plurality of drawers (21) are arranged inside the other placing cabinet (20);

wherein, the containing mechanism comprises a plate groove (6) positioned inside the cabinet body (1), the inside of the plate groove (6) is provided with a display board (12), two end positions on one side of the outer wall of the display board (12) are symmetrically provided with rack plates (13), one side of the inner wall of the plate groove (6) positioned on the rack plates (13) is provided with a gear groove (9), the inside of the gear groove (9) is provided with a gear (10), the inside of the gear (10) is provided with a connecting shaft (8), one end of the connecting shaft (8) positioned on one side of the cabinet body (1) is provided with a rotating wheel (2), the outer wall of the rotating wheel (2) is provided with a handle (3), the top end of the gear groove (9) is provided with a limiting groove (14) penetrating through to the top end of the cabinet body (1), the inside of the limiting groove (14) is provided with a limiting plate (15), the top ends of two sides of the limiting plate (15) are provided with connecting blocks (22), the inside of connecting block (22) is provided with connecting hole (23), the top of limiting plate (15) is provided with pull ring (19), the both ends that the top of the cabinet body (1) is located spacing groove (14) are provided with U type pole (16), the bottom of U type pole (16) is provided with fixed axle (17), the top that the outer wall of fixed axle (17) is located connecting block (22) is provided with spacing spring (18).

2. The teaching board for high school chemistry teaching according to claim 1, wherein the wiping mechanism comprises a transverse groove (11) located at one side of the inner wall of the board groove (6), the inside of the transverse groove (11) is provided with a connecting board (5), and one side of the connecting board (5) is provided with a brush (4).

3. The teaching board for high school chemistry teaching according to claim 1, wherein the outer wall of the limit plate (15) fits the inner wall of the limit groove (14), and the inner wall of the connection hole (23) fits the outer wall of the fixed shaft (17).

4. The teaching board for high school chemistry teaching according to claim 2, wherein one end of the transverse groove (11) penetrates to one end of the outer wall of the cabinet body (1), the outer wall of the connecting board (5) fits with the inner wall of the transverse groove (11), and the outer side of the brush (4) fits with the outer wall side of the display board (12).

5. The teaching board for high school chemistry teaching as claimed in claim 1, wherein the outer wall of said gear (10) is engaged with one side of the outer wall of the rack plate (13), and the outer walls of both ends of said display board (12) are engaged with the inner wall of the board slot (6).

6. The teaching board for high school chemistry teaching as claimed in claim 1, wherein the connection between the outer walls of the two ends of the connecting shaft (8) and the cabinet body (1) is rotatably connected through a bearing, and the outer wall of the connecting shaft (8) is provided with a damper at the end of the rotating wheel (2).

7. The teaching board for high school chemistry teaching according to claim 1, wherein the bottom end of the fixed shaft (17) is fixedly connected with the top end of the cabinet body (1), and the top end of the fixed shaft (17) is fixedly connected with the bottom end of the U-shaped rod (16).