CN214138037U

CN214138037U - Mathematical thinking explanation note explanation board

Info

Publication number: CN214138037U
Application number: CN202022503107.1U
Authority: CN
Inventors: 赵玉杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-09-07
Anticipated expiration: 2030-11-03

Abstract

The utility model discloses a mathematical thinking explanation notes explanation board, including base plate and universal wheel, fixed surface installs four universal wheels under the base plate, and fixed surface installs the elevating gear of manual rotation regulation height-to-height on the base plate, fixed surface installs the writing device of the scope of writing that increases on the elevating gear, and this mathematical thinking explanation notes explanation highly carries out manual regulation through elevating gear according to user's actual need, and writing device's setting is convenient for the teacher and carries out the drawing of figure on explaining the board, promotes to understand the mathematical thinking on the clipboard through writing device upper graph to the student, realizes more thorough understanding of mathematical thinking teaching, has guaranteed teaching effect, has improved teaching efficiency.

Description

Mathematical thinking explanation note explanation board

Technical Field

The utility model relates to a teaching aid technical field specifically is a mathematical thinking explanation note explanation board.

Background

In the mathematical teaching process, the explanation of the mathematical thinking is a very important process, the explanation effect of the mathematical thinking plays an important role in promoting the understanding of students on knowledge points, and the explanation of the mathematical thinking is generally explained by adopting a mathematical thinking explanation comment explanation board; the teacher fuses mathematical thinking into the figure through the explanation board for the student can be faster better understanding mathematical thinking, to mathematical education done with half the effort doubly.

The single blackboard of current mathematical thinking explanation notes explanation board is for the unable comparatively accurate content that the expression mr will show to lead to the student comparatively slowly to mathematical thinking's acceptance, influenced the quality of teaching, and current mathematical thinking explanation notes explanation board height is comparatively fixed be not convenient for write according to the mr make things convenient for the height of panel to adjust, for this, we provide a mathematical thinking explanation notes explanation board.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a it is convenient to use, and the convenience carries out the mathematics thinking explanation note explanation board of altitude mixture control to the blackboard according to user's needs to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mathematics thinking explanation notes explanation board, includes base plate and universal wheel, base plate lower surface fixed mounting has four universal wheels, and fixed surface installs the elevating gear of manual rotation regulation height above the base plate, fixed surface installs the device of writing of the scope of writing that increases on the elevating gear.

Preferably, the lifting device comprises a lifting mechanism and a driving mechanism, the lifting mechanism is fixedly installed on the upper surface of the substrate, and the driving mechanism is fixedly installed on one side of the outer wall of the lifting mechanism.

Preferably, elevating system includes telescopic cylinder, follows helical gear, flexible post, screw hole, connecting block and flexible groove, two telescopic cylinder are installed to the surface symmetry on the base plate, telescopic cylinder inner wall opens and shuts there is flexible groove, telescopic cylinder top rotates installs from the helical gear, from the helical gear inner wall set up threaded hole, the threaded hole inner wall is located telescopic cylinder's corresponding position meshing and installs flexible post, telescopic column top fixed mounting has the connecting block.

Preferably, actuating mechanism includes fixed plate, backup pad, connecting rod, main helical gear, crank and dwang, telescopic cylinder outer wall is located the corresponding fixed position fixed mounting who follows the helical gear and has the fixed plate, fixed surface installs the backup pad on the fixed plate, the backup pad inner wall rotates and installs the connecting rod, the connecting rod outer wall is located the corresponding fixed position fixed mounting who follows the helical gear and has main helical gear, and main helical gear with from helical gear rotation meshing connection, the one end fixed mounting that is located the fixed plate of connecting rod has the drive, the one end fixed mounting that the connecting rod was kept away from to the crank has the dwang.

Preferably, a rubber layer is fixedly arranged on the outer wall of the rotating rod.

Preferably, the writing device includes mounting panel, clipboard, slide rail, grip block, torque spring, slip post and sliding plate, fixed surface installs the mounting panel on the connecting block, fixed mounting has the clipboard between the mounting panel, the slide rail has been seted up to the mounting panel inner wall, slide rail inner wall slidable mounting has the slip post, fixed mounting has the sliding plate between the slip post, and the sliding plate passes through slip post and slide rail sliding connection, sliding plate one side fixed mounting has torque spring, torque spring's one end fixed mounting has the grip block, and the grip block passes through torque spring and sliding plate elastic connection.

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

the crank drives the connecting rod to rotate by driving the rotating rod to rotate, so that the main helical gear on the outer wall of the connecting rod rotates, the driven helical gear is driven to rotate, the telescopic column on the inner wall of the driven helical gear is meshed and rotates in the threaded hole, the telescopic column is stretched up and down from the inner wall of the helical gear, a user can conveniently adjust the height of the writing board, the use convenience of the user is improved, the reciprocating sliding is performed in the sliding column on the inner wall of the mounting plate by the sliding plate, the writing utilization rate of the writing board is increased, the writing of the sliding plate is more flexible, the sliding plate is convenient to be matched with the writing board by sliding, the understanding of mathematical thinking teaching is more thorough, the teaching effect is ensured, the teaching efficiency is improved, the device is manually adjusted by the lifting device according to the actual required height of the user, and the writing device is convenient for teachers to draw patterns on the explaining plate, promoting the understanding of students about mathematical thoughts on the writing board through the figures on the writing instrument.

Drawings

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

FIG. 2 is a schematic view of the writing device of the present invention;

FIG. 3 is a schematic view of the distribution structure of the writing device of the present invention;

fig. 4 is a schematic structural view of the lifting device and the driving mechanism of the present invention;

fig. 5 is a schematic view of the lifting mechanism of the present invention.

In the figure: 1. a substrate; 2. a universal wheel; 3. a lifting device; 4. a writing device; 5. a lifting mechanism; 6. A drive mechanism; 7. a telescopic cylinder; 8. a slave bevel gear; 9. a telescopic column; 10. a threaded hole; 11. connecting blocks; 12. a telescopic groove; 13. a fixing plate; 14. a support plate; 15. a connecting rod; 16. a main helical gear; 17. A crank; 18. rotating the rod; 19. mounting a plate; 20. a writing board; 21. a slide rail; 22. a clamping plate; 23. A torsion spring; 24. a sliding post; 25. a sliding plate.

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.

Referring to fig. 1, the mathematical thinking explanation comment explanation board in the figure comprises a base plate 1 and universal wheels 2, wherein four universal wheels 2 are fixedly installed on the lower surface of the base plate 1, a lifting device 3 for manually rotating and adjusting the lifting height is fixedly installed on the upper surface of the base plate 1, and a writing device 4 with an enlarged writing range is fixedly installed on the upper surface of the lifting device 3.

Referring to fig. 4, the lifting device 3 includes a lifting mechanism 5 and a driving mechanism 6, the lifting mechanism 5 is fixedly mounted on the upper surface of the substrate 1, and the driving mechanism 6 is fixedly mounted on one side of the outer wall of the lifting mechanism 5.

Referring to fig. 5, the lifting mechanism 5 includes a telescopic cylinder 7, a secondary helical gear 8, telescopic columns 9, threaded holes 10, connecting blocks 11 and telescopic grooves 12, two telescopic cylinders 7 are symmetrically installed on the upper surface of the base plate 1, the telescopic grooves 12 are opened and closed on the inner wall of the telescopic cylinder 7, the secondary helical gear 8 is rotatably installed at the top end of the telescopic cylinder 7, the threaded holes 10 are opened on the inner wall of the secondary helical gear 8, the telescopic columns 9 are engaged and installed at the positions, corresponding to the inner walls of the threaded holes 10, of the telescopic cylinders 7, and the connecting blocks 11 are fixedly installed at the top ends of the telescopic columns 9.

Referring to fig. 4, the driving mechanism 6 includes a fixing plate 13, a supporting plate 14, a connecting rod 15, a main helical gear 16, a crank 17 and a rotating rod 18, the fixing plate 13 is fixedly mounted on the outer wall of the telescopic cylinder 7 at a position corresponding to the slave helical gear 8, the supporting plate 14 is fixedly mounted on the upper surface of the fixing plate 13, the connecting rod 15 is rotatably mounted on the inner wall of the supporting plate 14, the main helical gear 16 is fixedly mounted on the outer wall of the connecting rod 15 at a position corresponding to the slave helical gear 8, the main helical gear 16 is rotatably engaged with the slave helical gear 8, a drive is fixedly mounted at one end of the connecting rod 15, which is located on the fixing plate 13, and the rotating rod 18 is fixedly mounted at one end of the crank 17, which is far away from the connecting rod 15.

Referring to fig. 4, a rubber layer is fixedly mounted on the outer wall of the rotating rod 18.

Referring to fig. 2 and 3, the writing device 4 includes a mounting plate 19, a writing board 20, a sliding rail 21, a clamping plate 22, a torsion spring 23, a sliding column 24 and a sliding plate 25, the mounting plate 19 is fixedly mounted on the upper surface of the connecting block 11, the writing board 20 is fixedly mounted between the mounting plates 19, the sliding rail 21 is disposed on the inner wall of the mounting plate 19, the sliding column 24 is slidably mounted on the inner wall of the sliding rail 21, the sliding plate 25 is fixedly mounted between the sliding columns 24, the sliding plate 25 is slidably connected with the sliding rail 21 through the sliding column 24, the torsion spring 23 is fixedly mounted on one side of the sliding plate 25, the clamping plate 22 is fixedly mounted at one end of the torsion spring 23, and the clamping plate 22 is elastically connected with the sliding plate 25 through the torsion spring 23.

In the scheme, the crank 17 drives the connecting rod 15 to rotate by driving the rotating rod 18 to rotate, the main helical gear 16 on the outer wall of the connecting rod 15 rotates, the driven helical gear 8 rotates, the telescopic column 9 on the inner wall of the driven helical gear 8 rotates in a meshed mode in the threaded hole 10, the telescopic column 9 extends and retracts from the inner wall of the driven helical gear 8 up and down, a user can conveniently adjust the height of the writing board 20, the use convenience of the user is improved, the sliding board 25 slides in the sliding column 24 on the inner wall of the mounting plate 19 in a reciprocating mode to increase the writing utilization rate of the writing board 20, the sliding board 25 can write more flexibly, the writing board 20 is conveniently matched by sliding the sliding board 25, the understanding of mathematical thinking teaching is more thorough, the teaching effect is ensured, the teaching efficiency is improved, the device is manually adjusted according to the actual height required by the user through the lifting device 3, and the setting of writing device 4 is convenient for the teacher to carry out the drawing of figure on the explanation board, promotes to understand the mathematical thinking on clipboard 20 through the figure on writing device 4 to the student.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a mathematics thinking explanation notes explanation board, includes base plate (1) and universal wheel (2), base plate (1) lower fixed surface installs four universal wheels (2), its characterized in that: the upper surface of the base plate (1) is fixedly provided with a lifting device (3) which can be manually rotated to adjust the lifting height, and the upper surface of the lifting device (3) is fixedly provided with a writing device (4) with an enlarged writing range.

2. The mathematical thinking explanation comment explanation board as claimed in claim 1, wherein: elevating gear (3) include elevating system (5) and actuating mechanism (6), fixed surface installs elevating system (5) on base plate (1), actuating mechanism (6) are installed to elevating system (5) outer wall one side admittedly.

3. A mathematical thinking explanation comment explanation board as claimed in claim 2, wherein: elevating system (5) including telescopic cylinder (7), from helical gear (8), flexible post (9), screw hole (10), connecting block (11) and flexible groove (12), two telescopic cylinder (7) are installed to base plate (1) upper surface symmetry, telescopic cylinder (7) inner wall opens and shuts there are flexible groove (12), telescopic cylinder (7) top is rotated and is installed from helical gear (8), set up screw hole (10) from helical gear (8) inner wall, screw hole (10) inner wall is located telescopic cylinder (7) and corresponds the position meshing and install flexible post (9), flexible post (9) top fixed mounting has connecting block (11).

4. A mathematical thinking explanation comment explanation board according to claim 3, characterized in that: actuating mechanism (6) are including fixed plate (13), backup pad (14), connecting rod (15), main helical gear (16), crank (17) and dwang (18), telescopic cylinder (7) outer wall is located corresponding position fixed mounting from helical gear (8) and has fixed plate (13), fixed surface installs backup pad (14) on fixed plate (13), connecting rod (15) are installed in backup pad (14) inner wall rotation, connecting rod (15) outer wall is located corresponding position fixed mounting from helical gear (8) and has main helical gear (16), and main helical gear (16) with from helical gear (8) rotation meshing connection, the one end fixed mounting that is located fixed plate (13) of connecting rod (15) has the drive, the one end fixed mounting that connecting rod (15) were kept away from in crank (17) has dwang (18).

5. The mathematical thinking explanation comment explanation board as claimed in claim 4, wherein: and a rubber layer is fixedly arranged on the outer wall of the rotating rod (18).

6. A mathematical thinking explanation comment explanation board according to claim 3, characterized in that: the writing device (4) comprises a mounting plate (19), a writing board (20), a sliding rail (21), a clamping plate (22), a torsion spring (23), a sliding column (24) and a sliding plate (25), the upper surface of the connecting block (11) is fixedly provided with mounting plates (19), writing boards (20) are fixedly arranged between the mounting plates (19), the inner wall of the mounting plate (19) is provided with a slide rail (21), the inner wall of the slide rail (21) is provided with slide columns (24) in a sliding way, a slide plate (25) is fixedly arranged between the slide columns (24), and the sliding plate (25) is connected with the sliding rail (21) in a sliding way through a sliding column (24), a torsion spring (23) is fixedly arranged on one side of the sliding plate (25), a clamping plate (22) is fixedly arranged at one end of the torsion spring (23), and the clamping plate is elastically connected with the sliding plate (25) through a torsion spring (23).