CN205899881U - Demonstration teaching aid for surfaces of revolution in higher mathematics - Google Patents
Demonstration teaching aid for surfaces of revolution in higher mathematics Download PDFInfo
- Publication number
- CN205899881U CN205899881U CN201620394808.7U CN201620394808U CN205899881U CN 205899881 U CN205899881 U CN 205899881U CN 201620394808 U CN201620394808 U CN 201620394808U CN 205899881 U CN205899881 U CN 205899881U
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- curved bar
- connector
- teaching aid
- demonstration
- base
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Abstract
The utility model discloses a demonstration teaching aid for surfaces of revolution in higher mathematics, including the curved bar, the carousel, bracing piece and base, the inside power motor that is equipped with of base, the one end that the base was kept away from to the support frame links to each other with liquid crystal display, liquid crystal display one side is equipped with the camera, bracing piece upper portion is equipped with first connecting piece, first connecting piece, all be equipped with the solid fixed ring of bracing piece on second connecting piece and the third connecting piece, first gear and governing valve, the both ends of first gear all with be connected the rack and link to each other, one side of connecting rack and bracing piece all is equipped with the scale, this kind of higher mathematics demonstration teaching aid, adopt the power motor to replace artifical method of rotating the curved bar, can let the rotational speed of curved bar more stable, what let people can be more convenient observes the demonstration result, can let the more clear demonstration of observing rotating surface of remote people, the efficiency of the demonstration is effectively improved, and the crookedness of regulation curved bar that can be accurate, make the result of demonstration more accurate.
Description
Technical field
The utility model is related to a kind of higher mathematics demonstration teaching aid, specially a kind of higher mathematics surface of revolution demonstration religion
Tool.
Background technology
Study on elementary mathematics is constant and even variable, and higher mathematics research is irregular variable.(it is several to higher mathematics
The general name of subject) be reason, one important basic subject of engineering and polytechnic universities, be also non-mathematics major science and engineering Major must
Repair mathematics class, be also the required course of some other specialties.
As a science, higher mathematics has the characteristics that it is intrinsic, here it is the abstractness of height, tight logicality and
Being widely applied property.Abstractness and computational be that mathematics is most basic, outstanding feature -- have high abstraction and unification, we
Its essential laws could in depth be disclosed, just can be allowed to be more widely used.Surface of revolution be with a plane curve around
Straight line in its plane rotates a circle formed curved surface surface of revolution, and rotating curve and boning out are called rotation song successively
The bus in face and axle.Surface of revolution is a more complicated part in University Space analytic geometry, because not having the teaching of image
Demonstrating model, is difficult to fully understand, this brings very big difficulty to teaching process.
At present, the demonstration teaching aid of some surface of revolutions occurring in field research, can only be drilled by in-plant observation
Show process, when from demonstration teaching aid farther out when, will be unfavorable for observing clearly demonstration result, lead to demonstrate less efficient；Drilling
When showing, generally require artificial curved bar is rotated, lead to the rotating speed of curved bar unstable, lead to people to be unfavorable for that observation is drilled
Show result, and the curvature of curved bar can not be adjusted exactly, lead to the result demonstrated not accurate enough.
Utility model content
The utility model provides a kind of higher mathematics surface of revolution demonstration teaching aid, can be drilled in actual applications with effectively solving
Show the problems such as result is unintelligible, demonstration is less efficient and curved bar rotary speed unstabilization is determined.
In order to solve above-mentioned technical problem, the utility model provides following technical scheme:
A kind of the utility model higher mathematics surface of revolution demonstration teaching aid, including curved bar, rotating disk, support bar and base, bottom
The inside of seat is provided with power motor, and the side of base is provided with bracing frame, and bracing frame is away from one end of base and LCDs phase
Even, the side of LCDs is provided with camera, and the top of base is provided with rotating disk, and the bottom of rotating disk is provided with support bar, support bar
Top is provided with the first connector, and the bottom of the first connector is provided with the second connector, and the bottom of the second connector is provided with the 3rd even
Fitting, the first connector, the second connector and the 3rd connector are equipped with support bar retainer ring, first gear and regulating valve,
The two ends of first gear all be connected tooth bar and be connected, the side connecting tooth bar and support bar is equipped with rule, connects tooth bar
One end is provided with curved bar geometrical clamp, and curved bar is fixed by curved bar geometrical clamp, and curved bar is provided with LED lamp, can preferably show song
Bar movement locus.
As a kind of optimal technical scheme of the present utility model, power motor is connected by the first connecting shaft with rotating disk, bottom
The side of seat is provided with power switch, and power switch accesses the opening and closing of power supply power supply.
As a kind of optimal technical scheme of the present utility model, camera connects LCDs, power horse by electric wire
Reach, LCDs and camera all connect power supply by electric wire.
As a kind of optimal technical scheme of the present utility model, regulating valve is connected with one end of the second connecting shaft, and second even
The other end of spindle is provided with second gear, and second gear is connected with first gear.
As a kind of optimal technical scheme of the present utility model, the inner side of support bar retainer ring and curved bar geometrical clamp is equipped with
Skid resistant course.
The beneficial effect that the utility model is reached is: this kind of higher mathematics surface of revolution demonstration teaching aid, using power horse
Reach the method replacing manual rotation's curved bar, the rotating speed of curved bar can be allowed more stable, thus allowing the sight that people can be convenient
Observe demonstration result, by camera, image is delivered on LCDs, remote people can be allowed to become apparent from
Observe the demonstration of surface of revolution, be effectively improved the efficiency of demonstration, by being provided with rule, Neng Gouzhun on connection tooth bar
The flexibility of true regulation curved bar, thus allow demonstration result more accurate, curved bar is provided with LED lamp, can preferably show
Show curved bar movement locus.
Brief description
Accompanying drawing is used for providing further understanding to of the present utility model, and constitutes a part for specification, with this practicality
New embodiment is used for explaining the utility model together, does not constitute to restriction of the present utility model.In the accompanying drawings:
Fig. 1 is a kind of one of structural representation of the utility model higher mathematics surface of revolution demonstration teaching aid；
Fig. 2 is the two of the structural representation of the utility model a kind of higher mathematics surface of revolution demonstration teaching aid；
Fig. 3 is the three of the structural representation of the utility model a kind of higher mathematics surface of revolution demonstration teaching aid；
In figure: 1, regulating valve；2nd, curved bar；3rd, power switch；4th, rotating disk；5th, support bar；6th, power motor；7th, the first connection
Axle；8th, base；9th, bracing frame；10th, LCDs；11st, camera；12nd, curved bar geometrical clamp；13rd, connect tooth bar；14th, support
Bar retainer ring；15th, rule；16th, first gear；17th, second gear；18th, the first connector；19th, the second connector；20th,
Three connectors；21st, the second connecting shaft；22nd, LED lamp.
Specific embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is illustrated it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
Embodiment: as Figure 1-3, a kind of the utility model higher mathematics surface of revolution demonstration teaching aid, including curved bar 2,
Rotating disk 4, support bar 5 and base 8, the inside of base 8 is provided with power motor 6, and the rotating speed of curved bar 2 can be allowed more stable, thus
Allow what people can be convenient to observe demonstration result, the side of base 8 is provided with bracing frame 9, and bracing frame 9 is away from base 8
One end is connected with LCDs 10, can allow the demonstration observing surface of revolution that remote people become apparent from, effectively
Improve the efficiency of demonstration, the side of LCDs 10 is provided with camera 11, for shooting the rotary motion trace of curved bar 2, bottom
The top of seat 8 is provided with rotating disk 4, and the bottom of rotating disk 4 is provided with support bar 5, and support bar 5 top is provided with the first connector 18, and first even
The bottom of fitting 18 is provided with the second connector 19, and the bottom of the second connector 19 is provided with the 3rd connector 20, the first connector 18,
It is equipped with support bar retainer ring 14, first gear 16 and regulating valve 1, first gear on second connector 19 and the 3rd connector 20
16 two ends all be connected tooth bar 13 and be connected, for adjusting curved bar 2 and the distance of support bar 5 and the flexibility of curved bar 2, tooth connection
The side of bar 13 and support bar 5 is equipped with rule 15, can accurately adjust the flexibility of curved bar 2, thus allowing the knot of demonstration
Fruit is more accurate, and the one end connecting tooth bar 13 is provided with curved bar geometrical clamp 12, and it is fixing, on curved bar 2 that curved bar 2 passes through curved bar geometrical clamp 13
It is provided with LED lamp 22, being capable of more preferable real curved bar 2 movement locus.
Power motor 6 is connected by the first connecting shaft 7 with rotating disk 4, allow rotating disk 4 can uniform rotation, the side of base 8 sets
There is power switch 3, power switch 3 accesses the opening and closing of power supply power supply, camera 11 connects liquid crystal by electric wire
Display screen 10, image is delivered on LCDs 10 camera 11, power switch 3, power motor 6, LCDs 10 and
Camera 11 all connects power supply by electric wire, and regulating valve 1 is connected with one end of the second connecting shaft 21, and convenient regulation connects tooth bar
13, the other end of the second connecting shaft 21 is provided with second gear 17, and second gear 17 is connected with first gear 16, support bar retainer ring
14 and the inner side of curved bar geometrical clamp 12 be equipped with skid resistant course, prevent from sliding between support bar 5 and curved bar 2 in presentation process
Dynamic.
Specifically, when carrying out surface of revolution demonstration, by adjusting the tune on the first connector 18 and the 3rd connector 20
Section valve 1, can adjust the distance of curved bar 2 and support bar 5, by adjusting the regulating valve on the second connector 19, can adjust song
The angle of bend of bar 2, turns on the power switch, and rotating disk 4 starts to rotate, and camera 11 is by the image photographing in LCDs 10
On shown, be easy to it is observed that demonstrating result.
This kind of higher mathematics surface of revolution demonstration teaching aid, the method that manual rotation's curved bar 2 is replaced using power motor 6, energy
Enough allow the rotating speed of curved bar 2 more stable, thus allowing what people can be convenient to observe demonstration result, will by camera 11
Image is delivered on LCDs 10, can allow the demonstration observing surface of revolution that remote people become apparent from, and has
Improve to effect the efficiency of demonstration, by being provided with rule 15 on connection tooth bar 13, can accurately adjust the bending of curved bar 2
Degree, thus allow demonstration result more accurate.
Finally it is noted that the foregoing is only preferred embodiment of the present utility model, it is not limited to this
Utility model, although being described in detail to the utility model with reference to the foregoing embodiments, for those skilled in the art
For, it still can be modified to the technical scheme described in foregoing embodiments, or to wherein some technical characteristics
Carry out equivalent.All of the present utility model spirit and this kind of higher mathematics surface of revolution demonstration teaching aid of principle, in door leaf
Side is provided with screen door, and steel timber can be allowed to have within good ventilative and translucency, any modification of being made, equivalent,
Improve etc., should be included within protection domain of the present utility model.
Claims (6)
1. a kind of higher mathematics surface of revolution demonstration teaching aid it is characterised in that: include curved bar (2), rotating disk (4), support bar (5) and
Base (8), the inside of base (8) is provided with power motor (6), and the side of base (8) is provided with bracing frame (9), bracing frame (9) away from
One end of base (8) is connected with LCDs (10), and the side of LCDs (10) is provided with camera (11), base (8)
Top be provided with rotating disk (4), the bottom of rotating disk (4) is provided with support bar (5), and support bar (5) top is provided with the first connector (18),
The bottom of the first connector (18) is provided with the second connector (19), and the bottom of the second connector (19) is provided with the 3rd connector
(20), the first connector (18), the second connector (19) and the 3rd connector (20) are equipped with support bar retainer ring (14),
One gear (16) and regulating valve (1), the two ends of first gear (16) all be connected tooth bar (13) and be connected, connect tooth bar (13) and prop up
The side of strut (5) is equipped with rule (15), and the one end connecting tooth bar (13) is provided with curved bar geometrical clamp (12), and curved bar (2) leads to
Cross curved bar geometrical clamp (12) fixing, curved bar (2) is provided with LED lamp (22).
2. a kind of higher mathematics surface of revolution demonstration teaching aid according to claim 1 it is characterised in that: described power horse
Reach (6) to be connected by the first connecting shaft (7) with rotating disk (4).
3. a kind of higher mathematics surface of revolution demonstration teaching aid according to claim 1 it is characterised in that: described base
(8) side is provided with power switch (3), and power switch (3) accesses the opening and closing of power supply power supply.
4. a kind of higher mathematics surface of revolution demonstration teaching aid according to claim 1 it is characterised in that: described camera
(11) LCDs (10) is connected by electric wire, described power motor (6), LCDs (10) and camera (11) are equal
Power supply is connected by electric wire.
5. a kind of higher mathematics surface of revolution demonstration teaching aid according to claim 1 it is characterised in that: described regulating valve
(1) it is connected with one end of the second connecting shaft (21), the other end of the second connecting shaft (21) is provided with second gear (17), second gear
(17) it is connected with first gear (16).
6. a kind of higher mathematics surface of revolution demonstration teaching aid according to claim 1 it is characterised in that: described support bar
The inner side of retainer ring (14) and curved bar geometrical clamp (12) is equipped with skid resistant course.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620394808.7U CN205899881U (en) | 2016-05-05 | 2016-05-05 | Demonstration teaching aid for surfaces of revolution in higher mathematics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620394808.7U CN205899881U (en) | 2016-05-05 | 2016-05-05 | Demonstration teaching aid for surfaces of revolution in higher mathematics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205899881U true CN205899881U (en) | 2017-01-18 |
Family
ID=57765561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620394808.7U Expired - Fee Related CN205899881U (en) | 2016-05-05 | 2016-05-05 | Demonstration teaching aid for surfaces of revolution in higher mathematics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205899881U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597317A (en) * | 2018-06-15 | 2018-09-28 | 浏阳市科技模型厂有限公司 | A kind of science and technology center's showpiece of demonstration pixel principle |
| CN110164195A (en) * | 2019-07-09 | 2019-08-23 | 莱芜职业技术学院 | A kind of surface of revolution demonstration teaching aid |
-
2016
- 2016-05-05 CN CN201620394808.7U patent/CN205899881U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597317A (en) * | 2018-06-15 | 2018-09-28 | 浏阳市科技模型厂有限公司 | A kind of science and technology center's showpiece of demonstration pixel principle |
| CN110164195A (en) * | 2019-07-09 | 2019-08-23 | 莱芜职业技术学院 | A kind of surface of revolution demonstration teaching aid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170118 Termination date: 20180505 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |