CN218825929U

CN218825929U - Graph transformation device

Info

Publication number: CN218825929U
Application number: CN202223044089.0U
Authority: CN
Inventors: 舒佳祺; 邹庆云; 贾希豪
Original assignee: Hunan University of Arts and Science
Current assignee: Hunan University of Arts and Science
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-04-07
Anticipated expiration: 2032-11-16

Abstract

The utility model belongs to the technical field of the teaching aid, especially, be a figure conversion equipment, the on-line screen storage device comprises a base, the top both sides of base are fixed with the stand, be fixed with two between the stand of both sides and have the alignment jig, two spouts have been seted up to the inside of alignment jig, the inside sliding connection of spout has the slider, the inside rotation of spout is connected with the knob head, the fixed surface of slider has the barrel, the inside sliding connection of barrel has the threaded rod, the top of threaded rod is fixed with directional piece, the fixed surface of directional piece has the control lever, be connected with the elastic webbing between four control levers, the position of having solved a plurality of control lever in the current scheme is fixed, the control lever that only can connect different positions through using the elastic webbing carries out the figure conversion, need take off the elastic webbing from the control lever and be connected to on another control lever, can realize the figure conversion, lead to the student can not clearly observe the process of figure conversion, thereby the principle of figure conversion can not be better understanding.

Description

Graph transformation device

Technical Field

The utility model belongs to the technical field of teaching aid, concretely relates to figure conversion equipment.

Background

The method is characterized in that geometric figure drawing is often used in the mathematical teaching process, figure transformation in mathematics is an indispensable link in the figure display process, simple figures can be generated into complicated figures through the figure transformation, at present, chalks are often drawn on a blackboard and erased repeatedly, the teaching mode can not only cause the chalks to hurt the physical health of teachers and students, but also has low attraction to students, the figures cannot be vividly displayed, the interest of the students in learning mathematics is difficult to arouse, the students cannot well understand the figure transformation, and the teaching quality is reduced.

Through retrieval, the Chinese patent application No. 201810332757.9 discloses a mathematical teaching graph transformation device, which drives an elastic belt by pulling a barrier ball, a control rod applies elasticity to a spiral spring, the elastic belt forms a required graph by surrounding a loop bar, after the required graph is formed, the required graph is fixed by a bayonet on the barrier ball, the scheme solves the problems that the graph cannot be vividly displayed and the interest of students in learning mathematics is difficult to excite to a certain extent, but the positions of a plurality of control rods in the scheme are fixed, the graph transformation can be realized only by connecting the control rods at different positions by using the elastic belt, the elastic belt is required to be taken down from the control rods and connected to another control rod, so that the students cannot clearly observe the graph transformation process, and the principle of the graph transformation cannot be better understood; aiming at the problems exposed in the use process of the existing teaching aid, the teaching aid needs to be structurally improved and optimized.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a figure conversion equipment has the horizontal and vertical position of adjustable and fixed every point, can more audio-visually let the student observe the transform process of figure to the characteristics of understanding the figure transform principle that can be better.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a figure conversion equipment, includes the base, the top both sides of base are fixed with the stand, both sides be fixed with two between the stand and have the alignment jig, two spouts have been seted up to the inside of alignment jig, the inside sliding connection of spout has the slider, the inside rotation of spout is connected with the knob head, the fixed surface of slider has the barrel, the inside sliding connection of barrel has the threaded rod, the top of threaded rod is fixed with directional piece, the fixed surface of directional piece has control lever, four be connected with the elastic band between the control lever.

As the utility model discloses a preferred technical scheme of figure conversion equipment, the lower extreme of barrel rotates and is connected with the screw thread knob cover, and is threaded connection between the outer wall of the inner wall of screw thread knob cover and threaded rod.

As the utility model discloses a preferred technical scheme of figure conversion equipment, the keyway has been seted up to outer wall one side of threaded rod, the inner wall of barrel is fixed with the keybar.

As the utility model discloses a preferred technical scheme of figure conversion equipment, the annular has been seted up to the outer wall of control lever.

As a preferred technical solution of the present invention, the front surface of the directional block is provided with a horizontal arrow and a vertical arrow.

As the utility model discloses a preferred technical scheme of figure conversion equipment, be threaded connection between the inside of slider and the outer wall of knob head.

Compared with the prior art, the beneficial effects of the utility model are that: the sliding block slides left and right along the inside of the sliding groove by rotating the knob head, and the sliding block drives the threaded rod through the barrel, so that the threaded rod drives the control rod through the pointing block to adjust and fix the transverse position.

The threaded rod is driven to ascend and descend along the inside of the barrel body through the rotary threaded knob sleeve, so that the threaded rod drives the control rod to adjust the longitudinal position fixedly through the pointing block, a student can observe the transformation process of the graph more visually, and the principle of graph transformation can be better understood.

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 perspective view of the present invention;

fig. 2 is a schematic structural view of the adjusting bracket of the present invention;

FIG. 3 is a schematic structural view of the middle slide block of the present invention;

FIG. 4 is a schematic cross-sectional view of the slider of the present invention;

fig. 5 is a schematic structural view of the middle cylinder body of the present invention;

in the figure: 1. a base; 2. a column; 3. an adjusting bracket; 4. a chute; 5. a slider; 6. a knob head; 7. a barrel; 8. a threaded rod; 9. a pointing block; 10. a control lever; 11. an elastic band; 12. a threaded knob sleeve; 13. a keyway; 14. a key bar; 15. and a ring groove.

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.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a figure conversion equipment, the on-line screen storage device comprises a base 1, base 1's top both sides are fixed with stand 2, be fixed with two between the stand 2 of both sides and have alignment jig 3, two spouts 4 have been seted up to alignment jig 3's inside, spout 4's inside sliding connection has slider 5, spout 4's inside rotation is connected with knob head 6, slider 5's external fixed surface has barrel 7, barrel 7's inside sliding connection has threaded rod 8, threaded rod 8's top is fixed with directional piece 9, directional piece 9's fixed surface has control lever 10, be connected with elastic band 11 between four control levers 10, in this embodiment, drive slider 5 along the inside horizontal slip of spout 4 through rotatory knob head 6, slider 5 drives threaded rod 8 through barrel 7, make threaded rod 8 carry out the regulation of lateral position fixed through directional piece 9 drive control lever 10.

Specifically, the lower extreme of barrel 7 is rotated and is connected with screw thread knob cover 12, and is threaded connection between the inner wall of screw thread knob cover 12 and the outer wall of threaded rod 8, drives threaded rod 8 through rotatory screw thread knob cover 12 in this embodiment and goes up and down along barrel 7 is inside for threaded rod 8 drives control lever 10 through directional piece 9 and carries out the regulation of longitudinal position fixed.

Specifically, a key groove 13 is formed in one side of the outer wall of the threaded rod 8, a key strip 14 is fixed to the inner wall of the barrel 7, and the key groove 13 in the threaded rod 8 is matched with the key strip 14 in the barrel 7 to achieve sliding connection.

Specifically, the outer wall of the control rod 10 is provided with a ring groove 15, and in this embodiment, the elastic band 11 is buckled inside the ring groove 15, so that the elastic band 11 is prevented from being easily separated from the control rod 10.

Specifically, the front surface of the pointing block 9 is provided with a transverse arrow and a longitudinal arrow, and in this embodiment, the position of each point during the graph transformation is determined by the scale marks on the vertical column 2 and the adjusting frame 3 pointed by the transverse arrow and the longitudinal arrow on the pointing block 9.

Specifically, threaded connection is provided between the inside of the slider 5 and the outer wall of the knob head 6, so that the knob head 6 can drive the slider 5 to slide along the inside of the sliding groove 4 when rotating in the embodiment.

The utility model discloses a theory of operation and use flow: firstly, an elastic band 11 is hung on an annular groove 15 of each control rod 10, then a knob head 6 is rotated to drive a sliding block 5 to slide left and right along the inside of a sliding groove 4, the sliding block 5 drives a threaded rod 8 through a cylinder 7, and the threaded rod 8 drives the control rods 10 through a pointing block 9 to adjust and fix the transverse position; then, the threaded rod 8 is driven to lift along the inside of the barrel 7 by rotating the threaded knob sleeve 12, so that the threaded rod 8 drives the control rod 10 to adjust and fix the longitudinal position through the pointing block 9; the method can be used for adjusting the graphs with any angle and side length, and the transformation process of the graphs can be directly observed when the graphs are adjusted to be transformed, so that the principle of graph transformation can be better understood.

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 above, 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. A graphic conversion device comprising a base (1), characterized in that: the top both sides of base (1) are fixed with stand (2), both sides be fixed with two between stand (2) and have alignment jig (3), two spout (4) have been seted up to the inside of alignment jig (3), the inside sliding connection of spout (4) has slider (5), the inside rotation of spout (4) is connected with knob head (6), the fixed surface of slider (5) has barrel (7), the inside sliding connection of barrel (7) has threaded rod (8), the top of threaded rod (8) is fixed with directional piece (9), the fixed surface of directional piece (9) has control lever (10), four be connected with elastic band (11) between control lever (10).

2. A graphic conversion device according to claim 1, wherein: the lower end of the barrel body (7) is rotatably connected with a threaded knob sleeve (12), and the inner wall of the threaded knob sleeve (12) is in threaded connection with the outer wall of the threaded rod (8).

3. A graphic conversion device according to claim 1, characterized in that: a key groove (13) is formed in one side of the outer wall of the threaded rod (8), and a key strip (14) is fixed to the inner wall of the barrel (7).

4. A graphic conversion device according to claim 1, characterized in that: the outer wall of the control rod (10) is provided with a ring groove (15).

5. A graphic conversion device according to claim 1, characterized in that: the front surface of the direction block (9) is provided with a transverse arrow and a longitudinal arrow.

6. A graphic conversion device according to claim 1, characterized in that: the interior of the sliding block (5) is in threaded connection with the outer wall of the knob head (6).