CN205943217U - 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
- CN205943217U CN205943217U CN201620482948.XU CN201620482948U CN205943217U CN 205943217 U CN205943217 U CN 205943217U CN 201620482948 U CN201620482948 U CN 201620482948U CN 205943217 U CN205943217 U CN 205943217U
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- seat
- teaching aid
- adjusting rod
- directly
- revolution
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Abstract
The utility model discloses a demonstration teaching aid for surfaces of revolution in higher mathematics, it includes the base, directly drives roating seat, rotation axis, wire, telescopic link, coordinate board, spout and slider, the center of base be provided with and directly drive the roating seat, directly drive the roating seat include external fixation seat, internal rotation seat, directly drive the stator, directly drive rotor and rotate the ball, the utility model discloses in the volume that reduces the teaching aid, adopt and directly drive the roating seat, reinforcing that can be fine the convenience used of teaching aid, the rotation axis is rotating the in -process, it is more steady, the curved surface that forms is more directly perceived, furthermore, very convenience is being adjusted by the telescopic link, only need to rotate adjusting sleeve, can adjust the length of each telescopic link according to curved surface, furthermore, the coordinate board is adjusted conveniently, can be fine cooperate with the telescopic link, so that adjust required curved surface wire shape.
Description
Technical field
This utility model is related to a kind of mathematical teaching aid, more particularly to a kind of higher mathematics surface of revolution demonstration religion
Tool, belongs to tutor auxiliary platform equipment technical field.
Background technology
Curve is referred to as surface of revolution around boning out the formed curved surface that rotates a circle, and student learns surface of revolution at the beginning
When, due to being difficult to imagine to three-dimensional, for abecedarian, it is difficult to carry out deep understanding to the truth of surface of revolution.
Begin with surface of revolution teaching aid at present to assist professor's formation of student's surface of revolution and definition, deep in order to student
Derotation curved surface.But, the teaching aid general structure of current surface of revolution is huger, especially can automatically rotate
Surface of revolution teaching aid, the volume installing and increasing to a great extent teaching aid of motor, and, lack and curved surface is drawn
Drawing coordinate plate, so, when making to surface bus, inconvenient, affect teaching efficiency.
Content of the invention
This utility model be directed to existing technical problem, a kind of higher mathematics surface of revolution demonstration teaching aid is provided it is therefore an objective to
While reducing the volume of teaching aid, drive rotating seat using straight, the convenience that can be good at enhancing teaching aid use, rotary shaft
In rotation process, more steadily, the curved surface of formation is more directly perceived, and, expansion link is adjusting very convenient, only need to turn
Dynamic regulating sleeve, you can adjust the length of each expansion link according to curve form, additionally, template is easy to adjust, can be fine
Coordinated with expansion link, to adjust required Curved surface metal silk shape.
For achieving the above object, this utility model provides following technical scheme：A kind of higher mathematics surface of revolution demonstration religion
Tool, it includes base, directly drives rotating seat, rotary shaft, tinsel, expansion link, template, chute and slide block it is characterised in that institute
Being provided centrally with of the base stated directly drives rotating seat, and described straight drive rotating seat is provided with described rotary shaft, in described rotary shaft
It is provided with multiple expansion links, the end of multiple expansion links supports setting to constitute the tinsel of surface bus shape, on described base
It is provided with chute, in described chute, is provided with slide block, described slide block is provided with template, described straight drive rotating seat includes outer solid
Reservation, interior rotation seat, directly drive stator, directly turn son and rotation ball, wherein, the top of described outer fixed seat is provided with axially fixed
Position groove, the top of described interior rotation seat is provided with positioning shaft shoulder, and described positioning shaft shoulder is coordinated with described axially position groove, described outer
The lower inside of fixed seat is fixedly installed straight drive stator, and the outer lower portion of described interior rotation seat is fixedly installed and directly turns son,
Described interior rotation seat directly turns sub- driving with respect to described outer fixed seat rotation, described positioning shaft shoulder and axially position groove by described
Between contact face on be provided with described rotation ball.
Further, preferably, described slide block to support the described template of setting using L-type bearing.
Further, preferably, being provided with fluorescent paint on described tinsel.
Further, preferably, described expansion link includes adjusting rod one, regulating sleeve and adjusting rod two, described adjusting rod
One one end is connected with described rotary shaft, and the other end of described adjusting rod one is provided with sinistral external thread, described regulating sleeve
One end is provided with levogyrate inner thread, and one end of described regulating sleeve is provided with dextrorotation female thread, and one end of described adjusting rod two sets
It is equipped with dextrorotation external screw thread, screw thread between described sinistral external thread and levogyrate inner thread, between dextrorotation female thread and dextrorotation external screw thread
Cooperation, the other end of described adjusting rod two is connected with tinsel.
Compared with prior art, the beneficial effects of the utility model are：
This utility model, while reducing the volume of teaching aid, drives rotating seat using straight, can be good at enhancing teaching aid
The convenience using, in rotation process, more steadily, the curved surface of formation is more directly perceived for rotary shaft, and, expansion link is being adjusted
Get up very convenient, only need to rotate regulating sleeve, you can adjust the length of each expansion link according to curve form, additionally, coordinate
Plate is easy to adjust, can be good at being coordinated with expansion link, to adjust required Curved surface metal silk shape.
Brief description
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is the straight cross section structure diagram driving rotating seat of the present utility model；
Fig. 3 is the structural representation of expansion link of the present utility model；
In in figure：1st, base, 2, directly drive rotating seat, 3, rotary shaft, 4, tinsel, 5, expansion link, 6, template, 7, L-type
Bearing, 8, chute, 9, slide block, 10, outer fixed seat, 11, interior rotation seat, 12, directly drive stator, 13, directly turn son, 14, rotate rolling
Pearl, 15, adjusting rod one, 16, regulating sleeve, 17, adjusting rod two.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
Refer to Fig. 1-3, this utility model provides a kind of technical scheme：A kind of higher mathematics surface of revolution demonstration teaching aid,
It include base 1, straight drive rotating seat 2, rotary shaft 3, tinsel 4, expansion link 5, template 6, chute 8 and slide block 9, described bottom
Seat 1 be provided centrally with directly drive rotating seat 2, described straight drive rotating seat 2 on be provided with described rotary shaft 3, described rotary shaft 3 sets
It is equipped with multiple expansion links 5, the end of multiple expansion links 5 supports setting to constitute the tinsel 4 of surface bus shape, described base 1
On be provided with chute 8, be provided with slide block 9 in described chute 8, described slide block 9 be provided with template 6, described straight drive rotating seat
Including outer fixed seat 10, interior rotation seat 11, straight drive stator 12, directly turn son 13 and rotation ball 14, wherein, described outer fixed seat
10 top is provided with axially position groove, and the top of described interior rotation seat 11 is provided with positioning shaft shoulder, described positioning shaft shoulder and institute
State the cooperation of axially position groove, the lower inside of described outer fixed seat 10 is fixedly installed straight drive stator 12, described interior rotation seat 11
Outer lower portion be fixedly installed directly turn son 13, described interior rotation seat 11 by described directly turn son 13 drive so that with respect to institute
State outer fixed seat 10 to rotate, the face contacting between described positioning shaft shoulder and axially position groove is provided with described rotation ball 14.
In the present embodiment, described slide block to support the described template of setting using L-type bearing.Arrange on described tinsel
There is fluorescent paint.Described expansion link includes adjusting rod 1, regulating sleeve 16 and adjusting rod 2 17, one end of described adjusting rod 1
It is connected with described rotary shaft, the other end of described adjusting rod 1 is provided with sinistral external thread, one end of described regulating sleeve 16
It is provided with levogyrate inner thread, one end of described regulating sleeve 16 is provided with dextrorotation female thread, and one end of described adjusting rod 2 17 sets
It is equipped with dextrorotation external screw thread, screw thread between described sinistral external thread and levogyrate inner thread, between dextrorotation female thread and dextrorotation external screw thread
Cooperation, the other end of described adjusting rod 2 17 is connected with tinsel.
This utility model, while reducing the volume of teaching aid, drives rotating seat using straight, can be good at enhancing teaching aid
The convenience using, in rotation process, more steadily, the curved surface of formation is more directly perceived for rotary shaft, and, expansion link is being adjusted
Get up very convenient, only need to rotate regulating sleeve, you can adjust the length of each expansion link according to curve form, additionally, coordinate
Plate is easy to adjust, can be good at being coordinated with expansion link, to adjust required Curved surface metal silk shape.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with multiple changes in the case of without departing from principle of the present utility model and spirit, repair
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of higher mathematics surface of revolution demonstration teaching aid, it includes base, directly drives rotating seat, rotary shaft, tinsel, stretches
Bar, template, chute and slide block it is characterised in that described base be provided centrally with directly drive rotating seat, described straight drive rotation
It is provided with described rotary shaft on seat, described rotary shaft is provided with multiple expansion links, the end of multiple expansion links supports setting structure
Become the tinsel of surface bus shape, described base is provided with chute, in described chute, is provided with slide block, described slide block sets
It is equipped with template, described straight drive rotating seat includes outer fixed seat, interior rotation seat, directly drives stator, directly turns son and rotation ball, its
In, the top of described outer fixed seat is provided with axially position groove, and the top of described interior rotation seat is provided with positioning shaft shoulder, described fixed
The position shaft shoulder and described axially position groove cooperation, the lower inside of described outer fixed seat is fixedly installed directly drives stator, described interior turn
The outer lower portion of dynamic seat is fixedly installed and directly turns son, and described interior rotation seat directly turns sub- driving so that with respect to described by described
Outer fixed seat rotates, and the face contacting between described positioning shaft shoulder and axially position groove is provided with described rotation ball.
2. a kind of higher mathematics surface of revolution demonstration teaching aid according to claim 1 it is characterised in that：Described slide block adopts
L-type bearing arranges described template to support.
3. a kind of higher mathematics surface of revolution demonstration teaching aid according to claim 1 it is characterised in that：On described tinsel
It is provided with fluorescent paint.
4. a kind of higher mathematics surface of revolution demonstration teaching aid according to claim 1 it is characterised in that：Described expansion link bag
Include adjusting rod one, regulating sleeve and adjusting rod two, one end of described adjusting rod one is connected with described rotary shaft, described adjusting rod one
The other end be provided with sinistral external thread, one end of described regulating sleeve is provided with levogyrate inner thread, the one of described regulating sleeve
End is provided with dextrorotation female thread, and one end of described adjusting rod two is provided with dextrorotation external screw thread, and described sinistral external thread is interior with left-handed
Screw thread cooperation between screw thread, between dextrorotation female thread and dextrorotation external screw thread, the other end of described adjusting rod two is connected with tinsel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620482948.XU CN205943217U (en) | 2016-05-24 | 2016-05-24 | Demonstration teaching aid for surfaces of revolution in higher mathematics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620482948.XU CN205943217U (en) | 2016-05-24 | 2016-05-24 | Demonstration teaching aid for surfaces of revolution in higher mathematics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205943217U true CN205943217U (en) | 2017-02-08 |
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ID=57935395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620482948.XU Expired - Fee Related CN205943217U (en) | 2016-05-24 | 2016-05-24 | Demonstration teaching aid for surfaces of revolution in higher mathematics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205943217U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107195231A (en) * | 2017-07-17 | 2017-09-22 | 山东交通学院 | Surface of revolution demonstration teaching aid |
| CN108973436A (en) * | 2018-08-21 | 2018-12-11 | 东莞市凯勒帝数控科技有限公司 | A kind of board for teaching mathematics of quick drafting function curve |
-
2016
- 2016-05-24 CN CN201620482948.XU patent/CN205943217U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107195231A (en) * | 2017-07-17 | 2017-09-22 | 山东交通学院 | Surface of revolution demonstration teaching aid |
| CN108973436A (en) * | 2018-08-21 | 2018-12-11 | 东莞市凯勒帝数控科技有限公司 | A kind of board for teaching mathematics of quick drafting function curve |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20170524 |