CN210015587U

CN210015587U - Linear figure presentation device of college mathematics

Info

Publication number: CN210015587U
Application number: CN201920635458.2U
Authority: CN
Inventors: 荣耀华; 何宗达
Original assignee: Beijing University of Technology
Current assignee: Beijing University of Technology
Priority date: 2019-05-06
Filing date: 2019-05-06
Publication date: 2020-02-04
Anticipated expiration: 2029-05-06

Abstract

The utility model discloses a linear figure presentation device of university mathematics, the device comprises a device body, be provided with the mainboard on the device body, the bottom of mainboard is provided with adapter sleeve, adapter sleeve's bottom is provided with the bracing piece, the bottom of bracing piece is provided with the bearing plate, the pulley is installed to the bottom of bearing plate, adapter sleeve's one end is provided with the regulation pole, the one end of mainboard is provided with the demonstration drawing board, the other end of mainboard is provided with the accessory plate, be provided with the scale on the demonstration drawing board, be provided with a plurality of knots of hanging on the accessory plate, the inside of mainboard is provided with first standing groove and second standing groove, the both ends of first standing groove and second standing groove all are provided with the spout, be provided with first slide in the first standing groove, be provided with the second slide in the second standing groove, the both ends at first. The utility model discloses a demonstration drawing board, first slide and second slide are convenient for audio-visual demonstration mathematics linear figure, and demonstrate the drawing board and be used for showing the origin of figure.

Description

Linear figure presentation device of college mathematics

Technical Field

The utility model relates to a teaching technical field, concretely relates to linear figure presentation device of college mathematics.

Background

At present, mathematics is a subject of studying concepts of quantity, structure, variation, space, information and the like, and mathematical graphs refer to graphs related to mathematics, such as geometric graphs, functional graphs and the like. The specific classification can be classified into a linear graph and a nonlinear graph. In university mathematics, especially advanced mathematics teaching, the contents related to linear graph teaching are very much, students often cannot imagine specific shapes of linear graphs and related motion trail shape transformation through simple language description, teachers often show various graphs through multimedia teaching in class, however, the graphs directly presented through multimedia cannot be well accepted by students, because it is not known from which the graph comes, how it evolves, so that the student cannot have a good knowledge, but also can not solve the problem intuitively for the solid geometry, and can prepare a plurality of teaching contents in advance, but because the limiting effect of teaching device, have to write on the spot, influenced teaching efficiency greatly, teaching device is difficult for simultaneously removing, and the presentation instrument part is in disorder easily lost, is difficult for putting in order.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that the direct graphic student who presents through the multimedia of the current mathematical education of overcoming can not be fine accepts, because do not know from what this figure comes, how to evolve and come, make the student can not be fine grasp knowledge like this, and also can not solve the problem directly perceivedly to solid geometry, the content to the teaching of many simultaneously can prepare in advance, but because the limiting action of teaching device, have to write on the spot, the teaching efficiency has been influenced greatly, teaching device is difficult for removing simultaneously, the part of presentation instrument is in disorder easily lost, the problem of difficult arrangement, a linear figure presentation device of college mathematics is provided.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a linear figure demonstration device for college mathematics, which comprises a device body, wherein a main board is arranged on the device body, a connecting sleeve is arranged at the bottom end of the main board, a support rod is arranged at the bottom end of the connecting sleeve, a bearing plate is arranged at the bottom end of the support rod, a pulley is arranged at the bottom end of the bearing plate, an adjusting rod is arranged at one end of the connecting sleeve, a demonstration drawing board is arranged at one end of the main board, an auxiliary board is arranged at the other end of the main board, a scale is arranged on the demonstration drawing board, a plurality of hanging buckles are arranged on the auxiliary board, a first placing groove and a second placing groove are arranged inside the main board, sliding grooves are arranged at two ends of the first placing groove and the second placing groove, a first sliding plate is arranged in the first placing groove, a second sliding plate is arranged in the second placing groove, handles are arranged at two ends of the top, the both ends of mainboard all are provided with first spacing groove and second spacing groove, first spacing groove with the picture peg is installed to the second spacing inslot, the one end of picture peg is provided with the limiting plate, the other end of picture peg is provided with the baffle.

As an optimal technical scheme of the utility model, it is the L type to adjust the pole, the mainboard passes through adapter sleeve with the bracing piece is connected the bearing plate.

As a preferred technical scheme of the utility model, first slide passes through first standing groove is connected the mainboard, the second slide passes through the second standing groove is connected the mainboard.

As an optimized technical scheme of the utility model, the picture peg passes through first spacing groove with the mainboard is connected to the second spacing groove.

As an optimized technical solution of the present invention, the handle is fixedly connected to the top end of the first sliding plate and the second sliding plate.

As an optimized technical scheme of the utility model, pulley fixed connection is in the bearing plate.

The utility model discloses the beneficial effect who reaches is: the utility model discloses novel structure, easy and simple to handle, through demonstrating the drawing board, first slide and second slide are convenient for audio-visual demonstration mathematics linear graph, and demonstrate the origin that the drawing board is used for showing the figure, and first slide and second slide are used for showing some formula problems, can prepare in advance, need not classroom field preparation, classroom time has been reduced, teaching efficiency has been improved greatly, to the problem of solving of solid geometry demonstration figure directly perceivedly, first slide and second slide are convenient for slide in the standing groove simultaneously, can reduce the volume of device body, be convenient for the mobile device body through the pulley, and be convenient for place teaching appliances by the couple on the accessory plate.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic diagram of the distribution structure of the placement grooves of the present invention;

FIG. 4 is a schematic side view of the main board of the present invention;

FIG. 5 is a schematic view of the structure of the insert plate of the present invention;

in the figure: 1. a device body; 2. inserting plates; 3. a pulley; 4. a bearing plate; 5. connecting a sleeve; 6. a support bar; 7. adjusting a rod; 8. a scale; 9. a demonstration drawing board; 10. a main board; 11. an auxiliary plate; 12. hanging and buckling; 13. a chute; 14. a first placing groove; 15. a second placing groove; 16. a handle; 17. a first slide plate; 18. a second slide plate; 19. a baffle plate; 20. a limiting plate; 21. a first limit groove; 22. a second limit groove.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example 1

As shown in fig. 1-5, the utility model provides a linear figure demonstration device for university mathematics, which comprises a device body 1, a main board 10 is arranged on the device body 1, a connecting sleeve 5 is arranged at the bottom end of the main board 10, a support rod 6 is arranged at the bottom end of the connecting sleeve 5, a bearing plate 4 is arranged at the bottom end of the support rod 6, a pulley 3 is arranged at the bottom end of the bearing plate 4, an adjusting rod 7 is arranged at one end of the connecting sleeve 5, a demonstration drawing board 9 is arranged at one end of the main board 10, an auxiliary board 11 is arranged at the other end of the main board 10, a scale 8 is arranged on the demonstration drawing board 9, a plurality of hanging buckles 12 are arranged on the auxiliary board 11, a first placing groove 14 and a second placing groove 15 are arranged inside the main board 10, sliding grooves 13 are arranged at both ends of the first placing groove 14 and the second placing groove 15, a first sliding plate 17, both ends at first slide 17 and second slide 18 top all are provided with handle 16, and the both ends of mainboard 10 all are provided with first spacing groove 21 and second spacing groove 22, install picture peg 2 in first spacing groove 21 and the second spacing groove 22, and the one end of picture peg 2 is provided with limiting plate 20, and the other end of picture peg 2 is provided with baffle 19.

The adjusting rod 7 is L-shaped, the main board 10 is connected with the bearing board 4 through the connecting sleeve 5 and the supporting rod 6, and the height of the main board 10 can be conveniently adjusted by adjusting the adjusting rod 7.

The first sliding plate 17 is connected with the main board 10 through the first placing groove 14, the second sliding plate 18 is connected with the main board 10 through the second placing groove 15, the first sliding plate 17 is convenient to slide in the main board 14 through the first placing groove 14, and the second sliding plate 18 is convenient to slide in the main board 14 through the second placing groove 15.

The plug board 2 is connected with the main board 10 through a first limiting groove 21 and a second limiting groove 22, and is used for limiting the positions of the first sliding plate 17 and the second sliding plate 18.

The handle 16 is fixedly connected to the top ends of the first and second

sliding plates

17 and 18, and the first and second

sliding plates

17 and 18 are slid by the handle 16.

The pulley 3 is fixedly connected with the bearing plate 4, so that the device body 1 can be moved conveniently.

The device is a linear figure presentation device of university's mathematics, the teacher is used for explaining the origin of figure through demonstration drawing board 9 on the mainboard 10 at first, first slide 17 and second slide 18 are used for showing some formula problems simultaneously, hang knot 12 on accessory plate 11 is used for placing teaching aid, and the user makes first slide 17 and second slide 18 slide after first standing groove 14 and second standing groove 15 through handle 16, insert first spacing groove 21 and second spacing groove 22 through picture peg 2, reach the purpose of fixed first slide 17 and second slide 18, and can show some formula problems on first slide 17 and second slide 18, directly take out first standing groove 14 and second standing groove 15 during the use can, need not write on the scene and prepare on the classroom, teaching efficiency has been improved greatly.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The linear graph demonstration device for the university mathematics comprises a device body (1) and is characterized in that a main board (10) is arranged on the device body (1), a connecting sleeve (5) is arranged at the bottom end of the main board (10), a supporting rod (6) is arranged at the bottom end of the connecting sleeve (5), a bearing plate (4) is arranged at the bottom end of the supporting rod (6), a pulley (3) is installed at the bottom end of the bearing plate (4), an adjusting rod (7) is arranged at one end of the connecting sleeve (5), a demonstration drawing board (9) is arranged at one end of the main board (10), an auxiliary board (11) is arranged at the other end of the main board (10), a scale (8) is arranged on the demonstration drawing board (9), a plurality of hanging buckles (12) are arranged on the auxiliary board (11), a first placing groove (14) and a second placing groove (15) are arranged inside the main board (10, first standing groove (14) with the both ends of second standing groove (15) all are provided with spout (13), be provided with first slide (17) in first standing groove (14), be provided with second slide (18) in second standing groove (15), first slide (17) with the both ends at second slide (18) top all are provided with handle (16), the both ends of mainboard (10) all are provided with first spacing groove (21) and second spacing groove (22), first spacing groove (21) with install picture peg (2) in second spacing groove (22), the one end of picture peg (2) is provided with limiting plate (20), the other end of picture peg (2) is provided with baffle (19).

2. A university mathematics linear figure demonstration device according to claim 1, characterized in that said adjustment lever (7) is L-shaped, said main plate (10) being connected to said bearing plate (4) through said connection sleeve (5) and said support bar (6).

3. A university mathematics linear figure demonstration device according to claim 1, characterized in that said first sliding plate (17) is connected to said main plate (10) through said first housing slot (14), said second sliding plate (18) is connected to said main plate (10) through said second housing slot (15).

4. A university mathematics linear figure demonstration device according to claim 1, characterised in that said plug-in board (2) is connected to said main board (10) through said first retaining groove (21) and said second retaining groove (22).

5. A university mathematics linear figure demonstration device according to claim 1, characterised in that said handle (16) is fixedly connected to the top ends of said first sliding plate (17) and said second sliding plate (18).

6. A university mathematics linear figure demonstration device according to claim 1, characterised in that the pulleys (3) are fixedly connected to the bearing plate (4).