CN211827787U - Mathematics differential teaching aid of height is convenient for remove - Google Patents

Abstract

The utility model discloses a mathematical differentiation teaching aid convenient to remove height, the on-line screen storage device comprises a base, the downside fixed mounting of base has four universal wheels of group, the fixed welding of the upside middle part of base has the telescopic link, and installs the fixed plate through the bearing in the upper end of telescopic link, the lower pot head of telescopic link is equipped with changes the cover, and changes and be provided with fixing bolt on covering, the side of changeing the cover articulates there is the expansion bracket, and the upper end of expansion bracket articulates the downside at the fixed plate. The utility model discloses a setting has the base of universal wheel, and the universal wheel has brake mechanism for this device is convenient for remove, in order to satisfy the teaching demand, through setting up the fixed plate that rotates and extending structure, makes the student can obtain the biggest visual angle and study, and through setting up the iron plate coordinate axis, the cooperation has the fine rule of magnet, makes the differential can demonstrate more audio-visually.

Description

Mathematics differential teaching aid of height is convenient for remove

Technical Field

The utility model relates to a teaching aid field specifically is a mathematical differentiation teaching aid such as height is convenient for remove.

Background

Advanced mathematics is very important to most mathematics students, and because many concepts in advanced mathematics are very abstract, it is difficult to understand that the student is explained to the teacher only, especially the part in advanced mathematics, and the curved surface is one of the main objects of differential geometry research, relies on the teacher to carry out blackboard writing teaching basically, and the student understands very difficultly, and is boring and tasteless, therefore, to above-mentioned problem, provide one kind and be convenient for remove advanced mathematics differential teaching apparatus

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be convenient for remove mathematics differential teaching apparatus such as height to solve present differential teaching that above-mentioned background art provided and carry out the blackboard writing teaching through the teacher basically, the concept is abstract, and teaching is boring, leads to the student to understand the problem of difficulty.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a be convenient for remove high grade mathematics differential teaching aid, the on-line screen storage device comprises a base, the downside fixed mounting of base has four universal wheels of group, the fixed welding of upside middle part of base has the telescopic link, and the upper end of telescopic link installs the fixed plate through the bearing, the lower pot head of telescopic link is equipped with changes the cover, and changes and be provided with fixing bolt on the cover, the side of changeing the cover articulates there is the expansion bracket, and the upper end of expansion bracket articulates the downside at the fixed plate, the front side right-hand member of fixed plate is embedded to have iron plate, and is carved with the coordinate axis on the iron plate, adsorb on the iron plate and have magnet, and the last fixed system of magnet has the fine rule, the left side of fixed plate is provided with little blank, and the downside front end fixed mounting of little blank places the board.

Preferably, the middle part of the lower side of the fixing plate is connected with the telescopic rod through a bearing, and the fixing plate is of a turning structure through the bearing.

Preferably, the expansion bracket is provided with two sets, the upper ends of the two sets of expansion brackets are respectively hinged to the left end and the right end of the lower side of the fixed plate, the lower ends of the two sets of expansion brackets are respectively hinged to the left side and the right side of the rotating sleeve, and the fixed plate is arranged to be a lifting structure through the expansion bracket and the expansion rod.

Preferably, the fixing plate is provided with a groove, the inner side of the groove is the same as the outer side of the iron plate, and the iron plate and the fixing plate are of an embedded connection structure.

Preferably, the magnet is arranged on the thin line at equal intervals.

Preferably, the placing cavities are provided with four groups, and the placing cavities are all arranged on the placing plate.

Compared with the prior art, the beneficial effects of the utility model are that: according to the high-grade mathematical differential teaching aid convenient to move, the base with the universal wheel is arranged, and the universal wheel is provided with the brake mechanism, so that the device is convenient to move, and teaching requirements are met; by arranging the fixing plate with the rotating and telescopic structure, the device can be displayed in multiple aspects in the teaching process, so that students can obtain the maximum visual angle for learning; by arranging the coordinate axis of the iron plate and matching with the thin line with the magnet, the differential can be displayed more visually, and meanwhile, students can be encouraged to use the coordinate axis to perform differential operation on the thin line, so that the teaching effect is improved, and meanwhile, the interestingness of teaching is improved; the improvement is provided with places the board and places the chamber to white board eraser and whiteboard pen deposit, in order to prevent that whiteboard or whiteboard pen from losing.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a schematic view of the structure of the present invention from the back;

fig. 3 is a schematic side view of the structure of the present invention.

In the figure: 1. a base; 2. a universal wheel; 3. a telescopic rod; 4. a bearing; 5. a fixing plate; 6. rotating the sleeve; 7. fixing the bolt; 8. a telescopic frame; 9. an iron plate; 10. coordinate axes; 11. a magnet; 12. a thin wire; 13. a small white board; 14. placing the plate; 15. a placement chamber; 16. a large white board.

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. 1-3, the present invention provides an embodiment: a mathematical differential teaching aid convenient for moving high and the like comprises a base 1, four groups of universal wheels 2 are fixedly installed on the lower side of the base 1, the four groups of universal wheels 2 are universal wheels 2 with a brake mechanism, a telescopic rod 3 is fixedly welded on the middle part of the upper side of the base 1, a fixing plate 5 is installed at the upper end of the telescopic rod 3 through a bearing 4, the telescopic rod 3 consists of a plug rod, a sleeve rod and a fixing screw, the plug rod is inserted into the sleeve rod, and the sleeve rod is provided with the fixing screw, wherein the plug rod is connected with the fixing plate 5, the sleeve rod is fixedly installed on the base 1, a rotating sleeve 6 is sleeved at the lower end of the telescopic rod 3, a fixing bolt 7 is arranged on the rotating sleeve 6, an expansion bracket 8 is hinged to the side surface of the rotating sleeve 6, the upper end of the expansion bracket 8 is hinged to the lower side of the fixing plate 5, and, fixed plate 5 sets up to going to the structure through bearing 4, expansion bracket 8 is provided with two sets ofly altogether, and the upper end of two sets of expansion brackets 8 articulates both ends about fixed plate 5 downside respectively, the lower extreme of two sets of expansion brackets 8 articulates respectively and changes the left and right sides of cover 6, fixed plate 5 sets up to elevation structure through expansion bracket 8 and telescopic link 3, through telescopic link 3, adjust this device to suitable height, in the adjustment process, two sets of expansion brackets 8, along with telescopic link 3 is together flexible, in addition, unscrew fixing bolt 7, through changeing cover 6 and bearing 4, rotate fixed plate 5, so that say that fixed plate 5 carries out the omnidirectional show, make the student obtain the visual angle of maximize and study.

The embedded iron plate 9 that has of front side right-hand member of fixed plate 5, and it has coordinate axis 10 to etch on iron plate 9, set up the recess on the fixed plate 5, and the inboard size of recess is the same with the outside size of iron plate 9, iron plate 9 is embedded connection structure with fixed plate 5, so that take off iron plate 9 from fixed plate 5, clean the maintenance is carried out, iron plate 9 is gone up to adsorb has magnet 11, and the last fixed system of magnet 11 has fine rule 12, the equidistance system has magnet 11 on the fine rule 12, pass through magnet 11 with string 12, adsorb on iron plate 9, demonstrate the differential teaching, and simultaneously, can also encourage students to move about, carry out differential operation to the fine rule, when improving the teaching effect, improve the interest of teaching.

The left side of fixed plate 5 is provided with little blank 13, and the downside front end fixed mounting of little blank 13 places board 14, and has seted up on placing board 14 and has placed chamber 15, places chamber 15 and is provided with four groups altogether, and places chamber 15 and all set up on placing board 14 to say white board eraser and whiteboard pen and place, prevent that whiteboard pen from rolling off, the dorsal part of fixed plate 5 is provided with big blank 16.

The working principle is as follows: when in use, the device is moved to a proper position through the universal wheel 2, and is fixed through the brake mechanism on the universal wheel 2;

then, according to the teaching requirement, the height of the device is adjusted to be proper through the telescopic rod 3, in the adjusting process, the two groups of telescopic frames 8 are stretched together with the telescopic rod 3, and a teacher adsorbs the thin wire 12 on the coordinate axis 10 on the iron plate 9 through the magnet 11 according to the teaching content, so that the differential teaching is more visual;

the teacher can perform blackboard writing demonstration through the small white board 13 to improve the teaching effect, and after the teaching is completed, the white board pen can be embedded into the placing cavity 15 for storage, so that the white board pen is prevented from rolling off;

after blackboard writing and differential are accomplished, unscrew fixing bolt 7, through changeing cover 6 and bearing 4, rotate fixed plate 5 to say that fixed plate 5 carries out the omnidirectional show, make the student obtain the visual angle of maximize and study.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a be convenient for remove mathematics differential teaching aid such as height, includes base (1), its characterized in that: the multifunctional trolley is characterized in that four groups of universal wheels (2) are fixedly mounted on the lower side of the base (1), a telescopic rod (3) is fixedly welded at the middle position of the upper side of the base (1), a fixing plate (5) is mounted at the upper end of the telescopic rod (3) through a bearing (4), a rotary sleeve (6) is sleeved at the lower end of the telescopic rod (3), a fixing bolt (7) is arranged on the rotary sleeve (6), a telescopic frame (8) is hinged to the side face of the rotary sleeve (6), the upper end of the telescopic frame (8) is hinged to the lower side of the fixing plate (5), an iron plate (9) is embedded at the right end of the front side of the fixing plate (5), a coordinate axis (10) is engraved on the iron plate (9), an iron absorbing stone (11) is adsorbed on the iron plate (9), a fine line (12) is fixed on the iron absorbing stone (11), a small white board (13) is arranged on the left side of the fixing plate, and a placing cavity (15) is arranged on the placing plate (14), and a large white plate (16) is arranged on the back side of the fixing plate (5).

2. The teaching aid for facilitating movement of higher mathematical derivatives as claimed in claim 1, wherein: the middle part of the lower side of the fixing plate (5) is connected with the telescopic rod (3) through a bearing (4), and the fixing plate (5) is set to be in a rotating structure through the bearing (4).

3. The teaching aid for facilitating movement of higher mathematical derivatives as claimed in claim 1, wherein: the telescopic frame (8) is provided with two sets of altogether, and the upper end of two sets of telescopic frames (8) articulates respectively in the left and right sides both ends of fixed plate (5) downside, and is two sets of the lower extreme of telescopic frame (8) articulates respectively in the left and right sides of changeing cover (6), fixed plate (5) set up to elevation structure through telescopic frame (8) and telescopic link (3).

4. The teaching aid for facilitating movement of higher mathematical derivatives as claimed in claim 1, wherein: the iron plate is characterized in that a groove is formed in the fixing plate (5), the inner side of the groove is the same as the outer side of the iron plate (9), and the iron plate (9) and the fixing plate (5) are of an embedded connection structure.

5. The teaching aid for facilitating movement of higher mathematical derivatives as claimed in claim 1, wherein: magnet stones (11) are arranged on the thin wires (12) at equal intervals.

6. The teaching aid for facilitating movement of higher mathematical derivatives as claimed in claim 1, wherein: the placing cavities (15) are provided with four groups, and the placing cavities (15) are all arranged on the placing plate (14).

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