CN214796413U

CN214796413U - Advanced mathematics differential teaching aid

Info

Publication number: CN214796413U
Application number: CN202121065566.4U
Authority: CN
Inventors: 王国贤; 范英兵; 王凤玲
Original assignee: Heihe University
Current assignee: Heihe University
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2021-11-19
Anticipated expiration: 2031-05-18

Abstract

The utility model discloses a higher mathematics differential teaching aid, including the teaching aid box, teaching aid box top center department has seted up the spout, the inside scale rod that is provided with of spout, the teaching aid box inside is provided with nine movable rods, one side fixedly connected with plectrum of movable rod is kept away from to the stopper, the equal fixedly connected with stop gear in movable rod top, nine the movable rod top is provided with the connecting band jointly. The utility model discloses a movable rod, the connecting band, mutually support between stop gear and the scale rod, mathematics mr drives the movable rod through stirring the plectrum, it goes up and down in the teaching aid box to drive the connecting band distortion at stop gear top, the scale on scale rod and the teaching aid box of reunion, construct out the differential function image jointly, compared with prior art, such function image beautifully spends better, more directly perceived, it is clear, outside being independent of numerous mathematical equation, seem more succinct, be convenient for better the taking notes and observe of student.

Description

Advanced mathematics differential teaching aid

Technical Field

The utility model relates to an advanced mathematics teaching articles for use technical field especially relates to an advanced mathematics differential teaching apparatus.

Background

Advanced mathematics, as a basic science, has inherent characteristics, namely high abstraction, strict logic and wide applicability. The abstract and the computability are the most basic and obvious characteristics of mathematics, and have high abstract and unity, so that the essential rules can be deeply disclosed and can be widely applied. Calculus, the contents of which include mainly limit, differential, integral and their applications. Differential chemistry, which involves the computation of derivatives, is a set of theories about the rate of change. It allows functions, velocities, accelerations, slopes of curves, etc. to be discussed using a common set of symbols. Integration, including integration operations, provides a general method for defining and calculating areas, volumes, etc.

At present, in universities, most teachers mostly adopt a drawing mode on a blackboard when teaching to construct differential function images, most teachers have general drawing capabilities, the constructed function images are poor in attractiveness, and meanwhile, the constructed function images are mixed with various mathematical symbols and formulas to appear to be too messy and not beneficial to learning and recording of students.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: at present, most of existing differential function graphs are drawn on a blackboard, part of teachers have limited drawing capacity, a constructed coordinate system is poor in attractiveness, misunderstanding is easily brought to students, and learning records of the students are not facilitated.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a higher mathematics differential teaching aid, including the teaching aid box, teaching aid box top center department has seted up the spout, the inside scale rod that is provided with of spout, the inside nine movable rods that are provided with of teaching aid box, nine the equal fixedly connected with stopper in one side that the scale rod was kept away from to the movable rod, the rectangular channel that corresponds with the movable rod is seted up to a lateral wall that the teaching aid box is close to the stopper, one side fixedly connected with plectrum that the movable rod was kept away from to the stopper, the equal fixedly connected with stop gear in movable rod top, nine the movable rod top is provided with the connecting band jointly.

Preferably, stop gear includes spacing, the spacing groove has been seted up to spacing inside, one side threaded connection that the scale rod was kept away from to the spacing groove outer wall has the bolt, the bolt runs through spacing and rotates and is connected with the fixture block, one side fixedly connected with draw-in groove of bolt is kept away from to the spacing inslot wall, the smooth laminating of fixture block lateral wall and draw-in groove inside wall, the connecting band runs through the fixture block and smoothly laminates with the fixture block inside wall, can fix a position the connecting band when using, is convenient for adjust the position of connecting band simultaneously.

Preferably, rectangular channel inner wall both sides all are provided with a plurality of protruding pieces, protruding piece is the rubber material, stopper both sides wall laminates with the rectangular channel inner wall respectively, and when removing the plectrum, the lateral wall block of stopper is between two adjacent protruding pieces to play the effect of fixed movable rod.

Preferably, the teaching aid box is provided with the scale near one side top of rectangular channel, as the X axle of function, and the teacher of being convenient for fixes a position the function curve according to numerical value.

Preferably, the connecting band is the slice setting, and when receiving stop gear's fixed, the connecting band can follow the lift of each spacing frame and take place the distortion to be convenient for construct different function diagrams. The connecting band is soft plastics material, and its flexibility is stronger, the connecting band surface scribbles bright powder, can be accurate with function picture more directly perceived, clear show in the front of the student.

The utility model has the advantages as follows:

1. the utility model discloses a movable rod, the connecting band, mutually support between stop gear and the scale rod, mathematics mr drives the movable rod through stirring the plectrum, it goes up and down in the teaching aid box to drive the connecting band distortion at stop gear top, the scale on scale rod and the teaching aid box of reunion, construct out the differential function image jointly, compared with prior art, such function image beautifully spends better, more directly perceived, it is clear, outside being independent of numerous mathematical equation, seem more succinct, be convenient for better the taking notes and observe of student.

2. The utility model discloses be provided with the teaching aid box, after using this teaching aid, the mr can accomodate in the movable rod indentation teaching aid box, takes out the scale bar from the spout simultaneously, and the mr of being convenient for carries, and the flexibility is stronger, and application scope is wider simultaneously, the higher use of mr of being convenient for.

Drawings

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

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

fig. 3 is an enlarged view of a point a in fig. 1.

In the figure: 1. a teaching aid box; 2. a chute; 3. a graduated rod; 4. a movable rod; 5. a limiting block; 6. a rectangular groove; 7. a shifting sheet; 8. a limiting mechanism; 801. a limiting frame; 802. a limiting groove; 803. a bolt; 804. a clamping block; 805. a card slot; 9. and a connecting belt.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Please refer to fig. 1 and 3, a higher mathematics differential teaching aid comprises a teaching aid box 1, wherein a scale is arranged at the top of one side of the teaching aid box 1 close to a rectangular groove 6, and the scale is used as an X axis of a function, so that a teacher can conveniently position a function curve according to a numerical value. 1 top center department of teaching aid box has seted up

spout

2, 2 inside scale rod 3 that are provided with of spout, 1 inside nine movable rods 4 that are provided with of teaching aid box, the equal fixedly connected with stopper 5 in one side that scale rod 3 was kept away from to nine movable rods 4, teaching aid box 1 is close to a lateral wall of stopper 5 and sets up the rectangular channel 6 that corresponds with movable rod 4, stopper 5 keeps away from one side fixedly connected with plectrum 7 of

movable rod

4, 6 inner wall both sides of rectangular channel all are provided with a plurality of protruding pieces, protruding piece is the rubber material, 5 both sides walls of stopper respectively with the laminating of 6 inner walls of rectangular channel, when removing plectrum 7, stopper 5's lateral wall block is between two adjacent protruding pieces, thereby play fixed movable rod 4's effect. The tops of the movable rods 4 are fixedly connected with limiting mechanisms 8.

As shown in fig. 2, limiting mechanism 8 includes limiting frame 801, limiting groove 802 has been seted up to limiting frame 801 inside, one side threaded connection that scale rod 3 was kept away from to limiting groove 802 outer wall has bolt 803, bolt 803 runs through limiting frame 801 and has a fixture block 804 of rotating the connection, one side fixedly connected with draw-in groove 805 that bolt 803 was kept away from to limiting groove 802 inner wall, fixture block 804 lateral wall and the smooth laminating of draw-in groove 805 inside wall, connecting band 9 runs through fixture block 804 and with the smooth laminating of fixture block 804 inside wall, can fix a position connecting band 9 when using, be convenient for adjust the position of connecting band 9 simultaneously.

The top of nine movable rods 4 is provided with connecting band 9 jointly, and connecting band 9 is lamellar setting, and when receiving stop gear 8 fixed, connecting band 9 can follow the lift of each spacing frame 801 and take place the distortion to be convenient for found different function diagrams. Connecting band 9 is soft plastics material, and its flexibility is stronger, and connecting band 9 surface scribbles bright powder, can be accurate with function picture more directly perceived, clear show in the front of the student.

The utility model discloses when using, at first the high number mr according to the differential function, stir nine plectrums 7 respectively, drive movable rod 4 lift through plectrum 7, it takes place to distort to drive connecting band 9, change into different curves, scale rod 3 is as the Y axle, the scale on the teaching aid box 1 is as the X axle, establish out the image of different functions jointly, compare in the function image that the mr hand drawn on the blackboard, the definition is better more pleasing to the eye, the curve is more smooth simultaneously, the better study record of the student of being convenient for.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a higher mathematics differential teaching aid, includes teaching aid box (1), its characterized in that: teaching aid box (1) top center department has seted up spout (2), spout (2) inside is provided with scale rod (3), teaching aid box (1) inside is provided with nine movable rod (4), nine the equal fixedly connected with stopper (5) in one side of scale rod (3) are kept away from in movable rod (4), teaching aid box (1) is close to a lateral wall of stopper (5) and sets up rectangular channel (6) that correspond with movable rod (4), one side fixedly connected with plectrum (7) of movable rod (4) are kept away from in stopper (5), equal fixedly connected with stop gear (8) in movable rod (4) top, nine movable rod (4) top is provided with connecting band (9) jointly.

2. The advanced mathematics differential teaching aid according to claim 1, wherein: limiting mechanism (8) are including spacing (801), spacing groove (802) have been seted up to spacing (801) inside, one side threaded connection that scale rod (3) were kept away from to spacing groove (802) outer wall has bolt (803), bolt (803) run through spacing (801) and swivelling joint has fixture block (804), one side fixedly connected with draw-in groove (805) of bolt (803) are kept away from to spacing groove (802) inner wall, fixture block (804) lateral wall and draw-in groove (805) inside wall are smooth to be laminated, connecting band (9) run through fixture block (804) and with fixture block (804) inside wall smooth laminating.

3. The advanced mathematics differential teaching aid according to claim 1, wherein: rectangular channel (6) inner wall both sides all are provided with a plurality of protruding pieces, protruding piece is the rubber material, stopper (5) both sides wall laminates with rectangular channel (6) inner wall respectively.

4. The advanced mathematics differential teaching aid according to claim 1, wherein: the teaching aid box (1) is provided with the scale near one side top of rectangular channel (6).

5. The advanced mathematics differential teaching aid according to claim 1, wherein: the connecting band (9) are in a sheet shape, the connecting band (9) is made of soft plastics, and bright powder is coated on the surface of the connecting band (9).