CN214123234U

CN214123234U - College mathematics is with special teaching aid of higher mathematics

Info

Publication number: CN214123234U
Application number: CN202023256134.XU
Authority: CN
Inventors: 刘羽; 孙齐; 常晶; 高来斌; 周晶; 张宇; 徐兴梅; 周佳; 张红芹; 周翠娟
Original assignee: Jilin Agricultural University
Current assignee: Jilin Agricultural University
Priority date: 2020-12-26
Filing date: 2020-12-26
Publication date: 2021-09-03
Anticipated expiration: 2030-12-26

Abstract

The utility model discloses a special teaching aid of higher mathematics for college mathematics, comprising a base plate, the lower fixed surface of bottom plate is connected with area brake universal wheel, the last fixed surface of bottom plate is connected with the stay tube, the inner wall sliding connection of stay tube has the slip post, the top fixedly connected with fixing base of slip post, the inner wall of fixing base is rotated and is connected with the rotation seat, the last fixed surface who rotates the seat is connected with the fixed plate, the upper surface difference fixedly connected with XY graticule, YZ graticule and XZ graticule of fixed plate. This special teaching aid of higher mathematics is used to college mathematics through setting up XY grid board, YZ grid board, XZ grid board, plug bush, insert the post, the three-dimensional joint and connecting the rope, is convenient for utilize in the plug bush that inserts three grid board to use three-dimensional articulate, enclose into a space geometry, pull out the position of vector with connecting the rope simultaneously, combine the space geometry who encloses to carry out the projection, thereby more audio-visual show promotes the quality of teaching.

Description

College mathematics is with special teaching aid of higher mathematics

Technical Field

The utility model relates to a teaching aid technical field specifically is a special teaching aid of higher mathematics for college mathematics.

Background

Higher mathematics is a basic subject formed by micro-integration, deeper algebra, geometry and the cross content between them. Meanwhile, advanced mathematics is also a basic course of university.

The vector is a knowledge point of higher mathematics, and the projection of the vector usually involves spatial resolution geometry, and generally, a teacher draws three coordinate axes on a blackboard and projects the three coordinate axes, but for students with poor imagination, the teaching quality is poor due to the fact that the teacher still can hardly understand the three coordinate axes.

Therefore, the special teaching aid for higher mathematics in universities is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special teaching aid of higher mathematics for college mathematics to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a special teaching aid of higher mathematics for college mathematics, includes the bottom plate, the lower fixed surface of bottom plate is connected with area brake universal wheel, the last fixed surface of bottom plate is connected with the stay tube, the inner wall sliding connection of stay tube has the slip post, the top fixedly connected with fixing base of slip post, the inner wall of fixing base is rotated and is connected with the rotation seat, the last fixed surface who rotates the seat is connected with the fixed plate, the upper surface of fixed plate is fixedly connected with XY grid plate, YZ grid plate and XZ grid plate respectively, the equal fixedly connected with plug bush in positive net intersection department of the upper surface of XY grid plate, the side of YZ grid plate and XZ grid plate, the case is placed to the side fixedly connected with of stay tube, the post of inserting, three-way joint and the connection rope of a plurality of and plug bush looks adaptation are placed respectively to the inside of placing the case.

Preferably, the number of the universal wheels with the brake is four, and the four universal wheels with the brake are arranged at four corners of the lower surface of the bottom plate in a rectangular array.

Preferably, the surface of slip post is seted up flutedly, and the inner wall fixedly connected with spring plunger of recess, a plurality of and the joint hole of spring plunger looks adaptation are seted up to the surface of stay tube, and a plurality of joint hole is I type equidistance and sets up on the surface of stay tube.

Preferably, the material of the plug bush and the plug column is transparent polyethylene.

Preferably, the XY grid plate, the YZ grid plate and the XZ grid plate enclose a three-coordinate system.

Preferably, the side of the fixed seat is provided with a through hole, the inner wall of the through hole is provided with a fixing bolt, the side of the rotating seat is provided with a threaded hole, and the inner wall of the threaded hole is in threaded connection with the surface of the fixing bolt.

Advantageous effects

The utility model provides a college mathematics is with special teaching aid of higher mathematics possesses following beneficial effect:

1. this special teaching aid of higher mathematics for college mathematics through setting up the area universal wheel that brakes, is convenient for the removal and the fixed of this teaching aid, makes things convenient for the teacher to promote the device removal show in the classroom simultaneously, through setting up stay tube, slip post, joint hole and spring plunger, is convenient for adjust the height of this teaching aid to make things convenient for the student to watch.

2. This special teaching aid of higher mathematics is used to college mathematics through setting up XY grid board, YZ grid board, XZ grid board, plug bush, insert the post, the three-dimensional joint and connecting the rope, is convenient for utilize in the plug bush that inserts three grid board to use three-dimensional articulate, enclose into a space geometry, pull out the position of vector with connecting the rope simultaneously, combine the space geometry who encloses to carry out the projection, thereby more audio-visual show promotes the quality of teaching.

Drawings

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

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

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

In the figure: the device comprises a base plate 1, a universal wheel 2 with a brake, a support tube 3, a sliding column 4, a fixed seat 5, a rotating seat 6, a fixed plate 7, an 8 XY grid plate, a 9 YZ grid plate, a 10 XZ grid plate, an 11 plug bush, a 12 placing box, a 13 plug column 13, a 14 three-way joint, a 15 connecting rope, a 16 spring plunger and a 17 fixing bolt.

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 a technical solution: the utility model provides a special teaching aid of higher mathematics for college mathematics, includes bottom plate 1, and bottom plate 1's lower fixed surface is connected with area brake universal wheel 2, and the quantity of area brake universal wheel 2 is four, and four area brake universal wheels 2 are the rectangle array setting in bottom plate 1 lower surface four corners department, through setting up area brake universal wheel 2, the removal and the fixing of this teaching aid of being convenient for makes things convenient for the teacher to promote the device removal show in the classroom simultaneously.

Fixed surface is connected with stay tube 3 on bottom plate 1, the inner wall sliding connection of stay tube 3 has slip post 4, the surface of slip post 4 is seted up flutedly, and the inner wall fixedly connected with spring plunger 16 of recess, the joint hole of a plurality of and spring plunger 16 looks adaptation is seted up on the surface of stay tube 3, and a plurality of joint hole is I style of calligraphy equidistance and sets up on the surface of stay tube 3, the top fixedly connected with fixing base 5 of slip post 4, through setting up stay tube 3, slip post 4, joint hole and spring plunger 16, be convenient for adjust the height of this teaching aid, thereby make things convenient for the student to watch.

The inner wall of fixing base 5 rotates and is connected with and rotates seat 6, rotates the last fixed surface of seat 6 and is connected with fixed plate 7, and the through-hole has been seted up to the side of fixing base 5, and the inner wall of through-hole is provided with fixing bolt 17, rotates the side of seat 6 and sets up threaded hole, and the inner wall of threaded hole and fixing bolt 17's surperficial threaded connection.

The upper surface of the fixed plate 7 is respectively fixedly connected with an XY grid plate 8, a YZ grid plate 9 and an XZ grid plate 10, the XY grid plate 8, the YZ grid plate 9 and the XZ grid plate 10 enclose a three-coordinate system, the upper surface of the XY grid plate 8, the side surface of the YZ grid plate 9 and the front grid intersection point of the XZ grid plate 10 are respectively fixedly connected with a plug bush 11, the side surface of the support tube 3 is fixedly connected with a placing box 12, a plurality of plug posts 13 matched with the plug bushes 11, a three-way joint 14 and connecting ropes 15 are respectively placed in the placing box 12, the lengths of the plug posts 13 are of various specifications, the plug bushes 11 and the plug posts 13 are made of transparent polyethylene, the three-way joint 14 and the three-way joint 14 are conveniently inserted into the plug bushes 11 of the three grid plates by using the XY grid plate 8, the YZ grid plate 9, the XZ grid plate 10, the plug bushes 11, the plug bushes 13, the three-way joint 14 and the connecting ropes 15, enclose into a space geometry, pull out the position of vector with connecting rope 15 simultaneously, combine the space geometry who encloses to carry out the projection to more audio-visual show promotes the teaching quality.

The working principle is as follows: when using this special teaching aid of higher mathematics for college mathematics, promote to remove to the classroom for the teaching aid, and press spring plunger 16, adjust the height of this teaching aid, then three post 13 of inserting of corresponding length is taken out according to the coordinate of vector, insert in the plug bush 11 that corresponds the grid board, three other end of inserting post 13 uses three-way joint 14 to connect, make three post 13 of inserting enclose into a space geometry, reuse connection rope 15 connects three-way joint 14 and vector starting point, the space geometry who combines to enclose carries out the projection of vector, the teacher promotes the device and removes the show, can rotate this teaching aid simultaneously and unscrew fixing bolt 17, adjust the angle of fixed plate 7, show with the projection of multiple angle, through using this special teaching aid of higher mathematics for college mathematics, more audio-visual show, promote the teaching quality.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a college mathematics is with special teaching aid of higher mathematics, includes bottom plate (1), its characterized in that: the lower surface of the bottom plate (1) is fixedly connected with a universal wheel (2) with a brake, the upper surface of the bottom plate (1) is fixedly connected with a support tube (3), the inner wall of the support tube (3) is connected with a sliding column (4) in a sliding manner, the top end of the sliding column (4) is fixedly connected with a fixing seat (5), the inner wall of the fixing seat (5) is rotatably connected with a rotating seat (6), the upper surface of the rotating seat (6) is fixedly connected with a fixing plate (7), the upper surface of the fixing plate (7) is respectively fixedly connected with an XY grid plate (8), a YZ grid plate (9) and an XZ grid plate (10), inserting sleeves (11) are fixedly connected at the intersection points of the upper surface of the XY grid plate (8), the side surface of the YZ grid plate (9) and the front grid of the XZ grid plate (10), the side surface of the support tube (3) is fixedly connected with a placing box (12), the inside of the placing box (12) is respectively provided with a plurality of inserting columns (13) matched with the inserting sleeves (11), a three-way joint (14) and a connecting rope (15).

2. The special teaching aid for higher mathematics of university mathematics, as claimed in claim 1, wherein: the number of the universal wheels (2) with the brakes is four, and the four universal wheels (2) with the brakes are arranged at the four corners of the lower surface of the bottom plate (1) in a rectangular array.

3. The special teaching aid for higher mathematics of university mathematics, as claimed in claim 1, wherein: the surface of slip post (4) is seted up flutedly, and the inner wall fixedly connected with spring plunger (16) of recess, the joint hole of a plurality of and spring plunger (16) looks adaptation is seted up on the surface of stay tube (3), and a plurality of joint hole is I style of calligraphy equidistance and sets up on the surface of stay tube (3).

4. The special teaching aid for higher mathematics of university mathematics, as claimed in claim 1, wherein: the plug bush (11) and the plug column (13) are made of transparent polyethylene.

5. The special teaching aid for higher mathematics of university mathematics, as claimed in claim 1, wherein: and the XY grid plate (8), the YZ grid plate (9) and the XZ grid plate (10) enclose a three-coordinate system.

6. The special teaching aid for higher mathematics of university mathematics, as claimed in claim 1, wherein: the side of the fixed seat (5) is provided with a through hole, the inner wall of the through hole is provided with a fixing bolt (17), the side of the rotating seat (6) is provided with a threaded hole, and the inner wall of the threaded hole is in threaded connection with the surface of the fixing bolt (17).