CN111312031A - Calculus mathematics presentation device - Google Patents
Calculus mathematics presentation device Download PDFInfo
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- CN111312031A CN111312031A CN201911327123.5A CN201911327123A CN111312031A CN 111312031 A CN111312031 A CN 111312031A CN 201911327123 A CN201911327123 A CN 201911327123A CN 111312031 A CN111312031 A CN 111312031A
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- calculus
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/02—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention belongs to the technical field of teaching equipment, in particular to a calculus mathematics demonstration device, which aims at solving the problems that the prior calculus teaching demonstration device is inconvenient for adjusting the angle and cannot meet the observation of students at different positions, and the proposal is that the calculus teaching demonstration device comprises a base, wherein the top of the base is rotatably provided with a rotating column, the top of the rotating column is fixedly provided with a rotating plate, the top of the rotating plate is fixedly provided with two vertical rods, the two vertical rods are respectively and fixedly provided with a same transverse rod, a plurality of sliding rods are fixedly connected between the bottom of the transverse rod and the top of the rotating plate, the outer sides of the sliding rods are slidably provided with sliding blocks, the top of the base is fixedly provided with two welding blocks, the two welding blocks are symmetrically arranged, and one sides of the two welding blocks, which are close to each other, are respectively provided with a circular groove, the calculus teaching demonstration, is convenient for carrying.
Description
Technical Field
The invention relates to the technical field of teaching equipment, in particular to a calculus mathematics demonstration device.
Background
The Calculus (Calculus) is a mathematical branch for researching the differentiation, integration and related concepts and applications of functions in higher mathematics, is a basic subject of the mathematics, and mainly comprises limits, the Calculus, the integrator and the application thereof, wherein the Calculus comprises the operation of finding derivatives, and is a set of theory about change rate, which enables functions, speed, acceleration, the slope of a curve and the like to be discussed by a set of general symbols, but the Calculus teaching is abstract and difficult to imagine and difficult to understand intuitively, the existing Calculus teaching demonstration device replaces an X axis and a Y axis respectively by a first cross rod and a vertical rod and is provided with scales, a plurality of sliding rods are provided with sliding balls, the sliding balls can move freely on the sliding rods, magnets can slide to any position on the sliding rods, and a plurality of sliding balls can freely form different Calculus images, simple structure, convenient to use and long service life, very big improvement student's learning efficiency and interest in learning.
The prior calculus teaching demonstration device is inconvenient for angle adjustment and can not meet the requirements of students at different positions for observation.
Disclosure of Invention
The invention aims to solve the defects that the existing calculus teaching demonstration device is inconvenient to adjust the angle and cannot meet the observation requirements of students at different positions, and provides a calculus mathematics demonstration device.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a calculus mathematics presentation device, the on-line screen storage device comprises a base, the top of base is rotated and is installed the column spinner, the top fixed mounting of column spinner has the rotor plate, the top fixed mounting of rotor plate has two montants, equal fixed mounting has same horizontal pole on two montants, a plurality of slide bars of fixedly connected with between the bottom of horizontal pole and the top of rotor plate, the outside slidable mounting of slide bar has the slider, the top fixed mounting of base has two welding blocks, two welding blocks are the symmetry setting, the circular slot has all been seted up to one side that two welding blocks are close to each other, equal slidable mounting has the button head post in two circular slots, fixed mounting has same spring between the button head post and the circular slot that corresponds, a plurality of arc walls have been seted up in the outside of column spinner, the arc wall cooperatees with the button head post that corresponds.
Preferably, the bottom of the rotating plate is fixedly provided with an annular block, the top of the base is provided with an annular groove, the annular block is in sliding connection with the annular groove, and the arc-shaped block and the rotating plate play a supporting role.
Preferably, the slider is provided with a rectangular hole, the rectangular hole is in sliding connection with the slide bar, a magnet is embedded in the inner wall of one side of the rectangular hole and is attracted with the slide bar, the slide bar is made of a metal material, and the magnet and the slide bar are attracted to increase the stability of the connection between the slider and the slide bar.
Preferably, one side of slider is provided with the red light, and gliding one side is provided with the battery section of thick bamboo, and the inside battery that is provided with of battery section of thick bamboo, one side of battery section of thick bamboo are provided with button switch, and button switch cooperatees with the red light that corresponds, and the battery provides the electric energy for the red light that corresponds, and the battery can be changed.
Preferably, the bottom of base is provided with four sucking discs, all is provided with the scale mark on two montants and the horizontal pole, and the sucking disc can increase the stability of base.
Compared with the prior art, the invention has the advantages that:
(1) this scheme is fixed the base through the sucking disc, can simulate out the curvilinear coordinate in the calculus teaching through adjusting a plurality of sliders, and convenient demonstration is observed.
(2) This scheme is provided with the scale through being provided with on two montants and horizontal pole, can improve the accuracy that the coordinate instructed.
(3) This scheme can open the red light on the slider after the regulation through press the switch, can improve the definition of coordinate curve, makes things convenient for the student to observe.
(4) This scheme is through rotating the rotor plate, and the convenient student who adapts to different positions of the curve coordinate angle that can adjust the demonstration observes.
(5) This scheme provides elasticity through the spring for the stability after can increasing the regulation of button head post and the arc wall joint that corresponds, and increase the stability that the transport removed.
The invention is convenient for adjusting the angle of the calculus teaching demonstration, can meet the observation of students at different positions and is convenient for carrying.
Drawings
FIG. 1 is a schematic structural diagram of a calculus mathematical demonstration apparatus according to the present invention;
fig. 2 is a schematic cross-sectional structural view of a calculus math demonstration apparatus according to the present invention;
FIG. 3 is a schematic structural diagram of part A of a calculus mathematical demonstration apparatus according to the present invention;
fig. 4 is a schematic perspective view of a slider, a red light, and a battery case of the calculus mathematics demonstration apparatus according to the present invention.
In the figure: the battery comprises a base 1, a rotating plate 2, a vertical rod 3, a cross rod 4, a sliding rod 5, a sliding block 6, a rotating column 7, an annular block 8, a welding block 9, a round-head column 10, a spring 11, an arc-shaped groove 12, a round groove 13, a red light 14, a magnetic sheet 15 and a battery barrel 16.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.
Example one
Referring to fig. 1-4, a calculus mathematics demonstration device comprises a base 1, a rotary column 7 is rotatably mounted on the top of the base 1, a rotary plate 2 is fixedly mounted on the top of the rotary column 7, two vertical rods 3 are fixedly mounted on the top of the rotary plate 2, a same cross rod 4 is fixedly mounted on each of the two vertical rods 3, a plurality of slide rods 5 are fixedly connected between the bottoms of the cross rods 4 and the top of the rotary plate 2, a slider 6 is slidably mounted on the outer side of each slide rod 5, two welding blocks 9 are fixedly mounted on the top of the base 1, the two welding blocks 9 are symmetrically arranged, circular grooves 13 are respectively formed in the sides, close to each other, of the two welding blocks 9, round-headed columns 10 are respectively slidably mounted in the two circular grooves 13, a same spring 11 is fixedly mounted between each round-headed column 10 and the corresponding circular groove 13, a plurality of arc-shaped grooves 12 are formed in the, the top of the cross rod 4 is provided with a handle, and the round-head column 10 is connected with the arc-shaped groove 12 in a clamping mode to prevent the rotating plate 2 from rotating.
In this embodiment, the bottom of the rotating plate 2 is fixedly provided with the annular block 8, the top of the base 1 is provided with the annular groove, the annular block 8 is slidably connected with the annular groove, and the arc-shaped block 8 and the rotating plate 2 play a supporting role.
In this embodiment, a rectangular hole is formed in the slider 6, the rectangular hole is slidably connected with the slide rod 5, a magnet is embedded in the inner wall of one side of the rectangular hole, the magnet and the slide rod 5 attract each other, the slide rod 5 is made of a metal material, and the magnet and the slide rod 5 attract each other to increase the connection stability of the slider 6 and the slide rod 5.
In this embodiment, one side of the slider 6 is provided with the red light 14, one side of the slider 6 is provided with the battery barrel 16, the battery is arranged inside the battery barrel 16, one side of the battery barrel 16 is provided with the button switch, the button switch is matched with the corresponding red light 14, the battery provides electric energy for the corresponding red light 14, and the battery can be replaced.
In this embodiment, base 1's bottom is provided with four sucking discs, all is provided with the scale mark on two montants 3 and the horizontal pole 4, and the sucking disc can increase base 1's stability.
Example two
Referring to fig. 1-4, a calculus mathematics demonstration device comprises a base 1, a rotary column 7 is rotatably installed at the top of the base 1, a rotary plate 2 is fixedly installed at the top of the rotary column 7 through welding, two vertical rods 3 are fixedly installed at the top of the rotary plate 2 through welding, the same transverse rod 4 is fixedly installed on the two vertical rods 3 through welding, a plurality of sliding rods 5 are fixedly connected between the bottom of the transverse rod 4 and the top of the rotary plate 2 through screws, a sliding block 6 is slidably installed at the outer side of the sliding rod 5, two welding blocks 9 are fixedly installed at the top of the base 1 through welding, the two welding blocks 9 are symmetrically arranged, circular grooves 13 are respectively formed in one sides of the two welding blocks 9, which are close to each other, round-head columns 10 are slidably installed in the two circular grooves 13, the same spring 11 is fixedly installed between the round-head columns 10 and the corresponding circular grooves 13 through welding, a plurality, the arc-shaped grooves 12 are matched with the corresponding round-head columns 10, the top of the cross rod 4 is provided with a handle, and the round-head columns 10 are connected with the arc-shaped grooves 12 in a clamping mode to prevent the rotating plate 2 from rotating.
In this embodiment, the bottom of the rotating plate 2 is fixedly provided with the annular block 8 by welding, the top of the base 1 is provided with the annular groove, the annular block 8 is connected with the annular groove in a sliding manner, and the arc-shaped block 8 and the rotating plate 2 play a supporting role.
In this embodiment, a rectangular hole is formed in the slider 6, the rectangular hole is slidably connected with the slide rod 5, a magnet is embedded in the inner wall of one side of the rectangular hole, the magnet and the slide rod 5 attract each other, the slide rod 5 is made of a metal material, and the magnet and the slide rod 5 attract each other to increase the connection stability of the slider 6 and the slide rod 5.
In this embodiment, one side of the slider 6 is provided with the red light 14, one side of the slider 6 is provided with the battery barrel 16, the battery is arranged inside the battery barrel 16, one side of the battery barrel 16 is provided with the button switch, the button switch is matched with the corresponding red light 14, the battery provides electric energy for the corresponding red light 14, and the battery can be replaced.
In this embodiment, base 1's bottom is provided with four sucking discs, all is provided with the scale mark on two montants 3 and the horizontal pole 4, and the sucking disc can increase base 1's stability.
In the embodiment, when the device is used, the device is moved to a platform, the base 1 is fixed through the sucking disc, the curve coordinate in calculus teaching can be simulated by adjusting the plurality of sliders 6, demonstration and observation are convenient, wherein the two vertical rods 3 and the transverse rod 4 respectively represent the coordinates of an X axis and a Y axis, and the two vertical rods 3 and the transverse rod 4 are provided with scales, so that the accuracy of coordinate indication can be improved, the red light 14 on the adjusted slider 6 can be turned on by the press switch, the definition of a coordinate curve can be improved, so that a student can conveniently observe, due to different seats of the student, the curve coordinates observed at different positions are different, the angle needs to be adjusted to conveniently adapt to the observation of the student at different positions, the handle is twisted to drive the rotating plate 2 to rotate, the round-head column 10 is squeezed to leave the corresponding arc-shaped groove 12, after the adjustment is proper, under the elastic force of the spring 11, the round head column 10 is clamped with the corresponding arc-shaped groove 12, so that the stability after adjustment can be improved, and the stability of carrying movement is improved.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention in the technical scope of the present invention.
Claims (5)
1. The calculus mathematics demonstration device comprises a base (1) and is characterized in that a rotary column (7) is rotatably mounted at the top of the base (1), a rotary plate (2) is fixedly mounted at the top of the rotary column (7), two vertical rods (3) are fixedly mounted at the top of the rotary plate (2), the same transverse rod (4) is fixedly mounted on each vertical rod (3), a plurality of sliding rods (5) are fixedly connected between the bottom of each transverse rod (4) and the top of the rotary plate (2), a sliding block (6) is slidably mounted on the outer side of each sliding rod (5), two welding blocks (9) are fixedly mounted at the top of the base (1), the two welding blocks (9) are symmetrically arranged, circular grooves (13) are respectively formed in one side, close to each other, round-headed columns (10) are respectively slidably mounted in the two circular grooves (13), and the same spring (11) is fixedly mounted between the round-headed columns (10) and the corresponding circular grooves (13), a plurality of arc-shaped grooves (12) are formed in the outer side of the rotating column (7), the arc-shaped grooves (12) are matched with the corresponding round-head columns (10), and a handle is arranged at the top of the cross rod (4).
2. The calculus mathematics demonstration device of claim 1, wherein the bottom of the rotating plate (2) is fixedly provided with an annular block (8), the top of the base (1) is provided with an annular groove, and the annular block (8) is connected with the annular groove in a sliding way.
3. The calculus mathematics presentation device of claim 1, wherein said slide block (6) is equipped with a rectangular hole, the rectangular hole is connected with the slide bar (5) in a sliding way, a magnet is embedded in the inner wall of one side of the rectangular hole, the magnet and the slide bar (5) attract each other, the slide bar (5) is made of metal material.
4. A calculus mathematics demonstration apparatus as claimed in claim 1, characterized in that one side of the slider (6) is provided with a red light (14), one side of the slider (6) is provided with a battery cartridge (16), a battery is arranged inside the battery cartridge (16), one side of the battery cartridge (16) is provided with a push-button switch, which cooperates with the corresponding red light (14).
5. A calculus mathematics demonstration device as claimed in claim 1, characterized in that the bottom of the base (1) is provided with four suckers, and the two vertical bars (3) and the cross bar (4) are provided with graduation marks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911327123.5A CN111312031A (en) | 2019-12-20 | 2019-12-20 | Calculus mathematics presentation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911327123.5A CN111312031A (en) | 2019-12-20 | 2019-12-20 | Calculus mathematics presentation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111312031A true CN111312031A (en) | 2020-06-19 |
Family
ID=71146793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911327123.5A Withdrawn CN111312031A (en) | 2019-12-20 | 2019-12-20 | Calculus mathematics presentation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111312031A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113487943A (en) * | 2021-06-25 | 2021-10-08 | 哈尔滨学院 | Analog integral model processing device |
-
2019
- 2019-12-20 CN CN201911327123.5A patent/CN111312031A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113487943A (en) * | 2021-06-25 | 2021-10-08 | 哈尔滨学院 | Analog integral model processing device |
| CN113487943B (en) * | 2021-06-25 | 2022-01-28 | 哈尔滨学院 | Analog integral model processing device |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200619 |
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| WW01 | Invention patent application withdrawn after publication |