CN210821559U

CN210821559U - Mathematics teaching mapping tool

Info

Publication number: CN210821559U
Application number: CN201920181102.6U
Authority: CN
Inventors: 王秋芬
Original assignee: Ankang University
Current assignee: Ankang University
Priority date: 2019-01-29
Filing date: 2019-01-29
Publication date: 2020-06-23
Anticipated expiration: 2029-01-29

Abstract

The utility model discloses a mathematical education plotting tool, which comprises a main shaft, wherein the bottom of the main shaft is provided with a fixed block, the top of the main shaft is provided with a stop block, an angle support plate, an auxiliary drawing ruler, a telescopic bracket and a drawing board are sequentially arranged outside the main shaft from bottom to top, wear-resistant gaskets are arranged among the angle support plate, the auxiliary drawing ruler, the telescopic bracket and the drawing board, a horizontal chamber is arranged in the angle support plate, a horizontal ball is arranged in the horizontal chamber, a scale mark is arranged on the auxiliary drawing ruler, a chute is arranged in the auxiliary drawing ruler, a chalk fixing slider is arranged in the chute, arrow corresponding scale marks are respectively arranged on the left side and the right side of the top of the chalk fixing slider, and a locking bolt is arranged on the left side of the chalk fixing slider. The tool does not need to be replaced back and forth, the workload of teachers is greatly reduced, the teaching quality is improved, and the portable multifunctional teaching machine is convenient to carry.

Description

Mathematics teaching mapping tool

Technical Field

The utility model relates to a teaching aid field, concretely relates to mathematics teaching mapping instrument.

Background

Mathematics (mathematics or maths) is a subject of studying concepts such as quantity, structure, variation, space, and information, and belongs to a form science from a certain point of view. Mathematicians and philosophies have a range of views on the exact scope and definition of mathematics. In human historical development and social life, mathematics also plays an irreplaceable role and is an essential basic tool for learning and researching modern science and technology.

In the process of mathematical education, a lot of auxiliary teaching aids are needed to finish drawing, such as a ruler, compasses, an ellipsograph, a set square and a protractor, when a teacher needs to draw a picture in class, a lot of drawing tools need to be carried, which is very troublesome, a plurality of drawing tools need to be used alternately when drawing, which wastes time and physical power, and besides, some ruler bodies are combined at present, but the ruler bodies are inconvenient to carry due to combination of a plurality of ruler bodies, so that a mathematic teaching aid which combines a plurality of drawing tools and is convenient to carry is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming prior art's is not enough, and provide a mathematical education plotting tool, which comprises a main shaft, the main shaft bottom sets up the fixed block, sets up the dog at the main shaft top, supreme angle backup pad, supplementary drawing chi, telescopic bracket and the drawing board of setting gradually are down followed to the main shaft outward, and all is provided with wear-resisting packing ring between angle backup pad, supplementary drawing chi, telescopic bracket and the drawing board, set up between the level in the angle backup pad, set up the horizon ball between the level, set up the scale mark on the supplementary drawing chi, set up the spout in supplementary drawing chi, set up chalk stationary block in the spout, set up the arrow point respectively in chalk stationary block top left and right sides and correspond the scale mark, chalk stationary block left side sets up the locking bolt, and the locking bolt setting is in supplementary drawing chi left side recess.

Preferably, the telescopic support comprises a fixed rod, a movable rod is arranged in the fixed rod, a ruler clamping plate is arranged at the tail end of the movable rod, the movable rod is connected with the fixed rod through a first auxiliary locking bolt, and second auxiliary locking bolts are arranged in the left side and the right side of the ruler clamping plate respectively.

Preferably, the drawing board is transparent setting, and in the drawing board even equidistance set up a plurality of drawing holes, drawing hole sets up to triangle-shaped, circular, quadrangle, pentagon and hexagon.

Preferably, the angle support plate is provided with a circular ring plate, the circular ring plate is provided with angle marks, the circular ring plate is arranged on the periphery of the auxiliary drawing ruler, and the outer surface of the circular ring plate is provided with a waterproof film.

Preferably, the angle supporting plate and the telescopic support are both provided with scale marks, and the stop block is in threaded connection with the main shaft and is detachable.

The utility model has the advantages that: the ruler has the advantages that the structure is simple, the operation is convenient, drawing tools such as the ruler, the compasses, the set square and the protractor are integrated, and teachers do not need to change the tools back and forth when needing drawing in class, so that the workload of teachers is greatly reduced, the teaching quality is improved, and the carrying is convenient; the setting of cooperation horizontal ball between the level will improve the accuracy of drawing.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the spindle of the present invention;

fig. 3 is a schematic structural diagram of the middle drawing board of the present invention.

In the figure: 1. a main shaft; 2. a fixed block; 3. a stopper; 4. an angle support plate; 5. an auxiliary drawing ruler; 6. a telescopic bracket; 7. drawing boards; 8. a wear-resistant washer; 9. the horizontal direction; 10. a horizontal ball; 11. scale lines; 12. a chute; 13. a chalk fixing sliding block; 14. an arrow; 15. locking the bolt; 16. fixing the rod; 17. a movable rod; 18. a first auxiliary locking bolt; 19. a ruler splint; 20. a second auxiliary locking bolt; 22. drawing holes; 23. a circular ring plate; 24. and (6) carrying out angle scribing.

Detailed Description

Any feature disclosed in this specification may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

A drawing tool for mathematics teaching as shown in fig. 1-3, comprising a main shaft 1, a fixed block 2 arranged at the bottom of the main shaft 1, a stop block 3 is arranged at the top of the main shaft 1, an angle supporting plate 4, an auxiliary drawing ruler 5, a telescopic bracket 6 and a drawing board 7 are sequentially arranged outside the main shaft 1 from bottom to top, and wear-resistant washers 8 are arranged among the angle supporting plate 4, the auxiliary drawing ruler 5, the telescopic bracket 6 and the drawing board 7, a horizontal chamber 9 is arranged in the angle supporting plate 4, a horizontal ball 10 is arranged in the horizontal chamber 9, the auxiliary drawing ruler 5 is provided with scale marks 11, a sliding groove 12 is arranged in the auxiliary drawing ruler 5, a chalk fixing sliding block 13 is arranged in the sliding groove 12, the left side and the right side of the top of the chalk fixing sliding block 13 are respectively provided with an arrow 14 corresponding to the scale mark 11, the left side of the chalk fixing sliding block 13 is provided with a locking bolt 15, and the locking bolt 15 is arranged in a groove in the left side of the auxiliary drawing ruler 5. The telescopic support 6 comprises a fixed rod 16, a movable rod 17 is arranged in the fixed rod 16, a ruler clamping plate 19 is arranged at the tail end of the movable rod 17, the movable rod 17 is connected with the fixed rod 16 through a first auxiliary locking bolt 18, and second auxiliary locking bolts 20 are respectively arranged in the left side and the right side of the ruler clamping plate 19. Drawing board 7 is transparent setting, and in drawing board 7 even equidistance set up a plurality of drawing holes 22, drawing holes 22 set up to triangle-shaped, circular, quadrangle, pentagon and hexagon. Set up ring plate 23 on the angle backup pad 4, set up angle groove 24 on the ring plate 23, and ring plate 23 sets up at supplementary drawing chi 5 periphery, ring plate 23 surface sets up water proof membrane. The waterproof film can achieve the protection effect and prolong the service life of the waterproof film. All be provided with the scale mark on angle backup pad 4 and the telescopic bracket 6, dog 3 and main shaft 1 are threaded connection, set up to detachable. The telescopic bracket 6 is fixed by controlling the position of the movable rod 17 in the fixed rod 16 and then locking by the first auxiliary locking bolt 18, so that the effect of fixed length is achieved. Angle backup pad 4, supplementary drawing chi 5, telescopic bracket 6 and drawing board 7 all can free rotation 360 degrees. The angle supporting plate 4, the auxiliary drawing ruler 5 and the telescopic support 6 are respectively arranged to be two in a bilateral symmetry mode by taking the main shaft 1 as a center. The auxiliary drawing ruler 5 is a straight ruler. And the bottom of the fixed block 2 is provided with a sucker or a magnet. The provision of the wear washer 8 will extend the useful life of the drawing tool.

The working principle of the specific embodiment is as follows: firstly, the fixing block 2 is used for fixing the mathematical education plotting tool on a blackboard, the required tool is used according to requirements, when the protractor is required to be used, the angle line on the ring plate 23 is only required to be matched with the horizontal ball 10 for angle measurement, meanwhile, when the ruler is required to be used for plotting, the chalk is only required to be fixed in the chalk fixing slide block 13, then the ring plate 23 is matched for rotating the auxiliary ruler 5, then the chalk fixing and plotting slide block 13 is used for moving to the required position in the chute 12, meanwhile, when the chalk fixing slide block 13 is required to be fixed for plotting, the auxiliary ruler 5 is only required to be fixed by the locking bolt 15, when the circle and the arc are required to be plotted, the chalk is only required to be fixed in the chalk fixing slide block 13, the required position of the chalk fixing slide block 13 is adjusted, then the auxiliary ruler 5 is rotated, when other different tools are required to be, then fixed through the supplementary locking bolt 20 of second, adjust the required length of telescopic bracket 6 and can freely rotate telescopic bracket 6 and draw, when needs use drawing board 7, only need with required drawing hole 22 rotation to required position, then utilize the chalk to paint can, and drawing board 7 can dismantle with dog 3 earlier then dismantle wear-resisting packing ring 8, drawing board 7 in proper order again when not using can.

The present invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification, and to any novel method or process steps or any novel combination of features disclosed.

Claims

1. A mathematical teaching drawing tool comprising a spindle (1), characterized in that: the novel painting device is characterized in that a fixing block (2) is arranged at the bottom of a main shaft (1), a stop block (3) is arranged at the top of the main shaft (1), an angle supporting plate (4), an auxiliary painting ruler (5), a telescopic support (6) and a drawing board (7) are sequentially arranged outside the main shaft (1) from bottom to top, wear-resistant gaskets (8) are arranged among the angle supporting plate (4), the auxiliary painting ruler (5), the telescopic support (6) and the drawing board (7), a horizontal chamber (9) is arranged in the angle supporting plate (4), a horizontal ball (10) is arranged in the horizontal chamber (9), scale marks (11) are arranged on the auxiliary painting ruler (5), a sliding groove (12) is arranged in the auxiliary painting ruler (5), a chalk fixing sliding block (13) is arranged in the sliding groove (12), arrows (14) are respectively arranged at the left side and the right side of the top of the, the chalk fixing sliding block (13) is provided with a locking bolt (15) on the left side, and the locking bolt (15) is arranged in a groove on the left side of the auxiliary drawing ruler (5).

2. A mathematical teaching construction tool as claimed in claim 1 wherein: including dead lever (16) in telescopic bracket (6), set up movable rod (17) in dead lever (16), movable rod (17) end sets up chi utensil splint (19), and movable rod (17) are connected with dead lever (16) through first supplementary locking bolt (18), set up the supplementary locking bolt of second (20) in chi utensil splint (19) the left and right sides respectively.

3. A mathematical teaching construction tool as claimed in claim 1 wherein: drawing board (7) are transparent setting, and in drawing board (7) even equidistance set up a plurality of drawing holes (22), drawing hole (22) set up to triangle-shaped, circular, quadrangle, pentagon and hexagon.

4. A mathematical teaching construction tool as claimed in claim 1 wherein: the angle drawing ruler is characterized in that a circular ring plate (23) is arranged on the angle supporting plate (4), an angle scribing line (24) is arranged on the circular ring plate (23), the circular ring plate (23) is arranged on the periphery of the auxiliary drawing ruler (5), and a waterproof film is arranged on the outer surface of the circular ring plate (23).

5. A mathematical teaching construction tool as claimed in claim 1 wherein: the angle support plate (4) and the telescopic support (6) are provided with scale marks, and the stop block (3) is in threaded connection with the main shaft (1) and is detachable.