CN107993521A - A kind of mathematical education model display equipment - Google Patents
A kind of mathematical education model display equipment Download PDFInfo
- Publication number
- CN107993521A CN107993521A CN201711174946.XA CN201711174946A CN107993521A CN 107993521 A CN107993521 A CN 107993521A CN 201711174946 A CN201711174946 A CN 201711174946A CN 107993521 A CN107993521 A CN 107993521A
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- China
- Prior art keywords
- plate
- education model
- tumbler
- shaft
- display equipment
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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
- G09B19/00—Teaching not covered by other main groups of this subclass
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- Business, Economics & Management (AREA)
- Engineering & Computer Science (AREA)
- Entrepreneurship & Innovation (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Toys (AREA)
Abstract
The present invention relates to a kind of presentation device, more particularly to a kind of mathematical education model display equipment.Managed the technical problem to be solved in the present invention is to provide a kind of convenience, do not allow damage easy to be lost, the good mathematical education model display equipment of bandwagon effect.In order to solve the above technical problem, the present invention provides such a mathematical education model display equipment, include bottom plate etc.；Wheel is mounted at the bottom four corners of bottom plate, strut is mounted at left and right sides of the top of bottom plate, top plate is connected with the top of strut, the top of top plate is equipped with driving device and tumbler, and driving device and tumbler coordinate.The present invention is clamped mathematics education model by clamping device, driving device driving tumbler operation, so as to driving mathematics education model to rotate so that mathematics education model can show one by one one by one, reached and facilitated management, do not allow the good effect of damage easy to be lost, bandwagon effect.
Description
Technical field
The present invention relates to a kind of presentation device, more particularly to a kind of mathematical education model display equipment.
Background technology
Mathematics is a subject for studying the concepts such as quantity, structure, change, space and information, is belonged in terms of certain angle
In one kind of formal science.Mathematician and philosopher have a series of view to the definite scope of mathematics and definition.And in the mankind
In historical development and social life, mathematics also plays irreplaceable effect, and study and research modern science and technology must
Indispensable basic tool.
A kind of objective expression purpose for illustrating morphosis is formed by entity or virtual performance by subjective consciousness
Object (object is simultaneously not equal to object, be not limited to entity with it is virtual, be not limited to plane with it is three-dimensional).
Needed during mathematical education with how more model display to student, currently without special presentation device, one one
A displaying be inconvenient to manage, be easily lost damage, bandwagon effect is poor, thus there is an urgent need for research and develop it is a kind of conveniently manage, do not allow it is easy to be lost
The good mathematical education model display equipment of damage, bandwagon effect.
The content of the invention
(1) technical problems to be solved
The present invention is inconvenient to manage, is easily lost to overcome currently without special presentation device, one by one displaying
Damage, the shortcomings that bandwagon effect is poor, conveniently manage the technical problem to be solved in the present invention is to provide one kind, do not allow damage easy to be lost
The mathematical education model display equipment bad, bandwagon effect is good.
(2) technical solution
In order to solve the above technical problem, the present invention provides such a mathematical education model display equipment, including
There are bottom plate, wheel, strut, top plate, driving device and tumbler, wheel is mounted at the bottom four corners of bottom plate, bottom plate
Strut is mounted at left and right sides of top, top plate is connected with the top of strut, the top of top plate, which is equipped with driving device and rotates, to be filled
Put, driving device and tumbler coordinate.
Preferably, driving device includes the first motor, first rotating shaft, first bearing seat and worm screw, the top right of top plate
Side is provided with the first motor and clutch shaft bearing, and the first motor is located on the right side of first bearing seat, and the output shaft of the first motor is connected with
First rotating shaft, first rotating shaft are connected with the bearing interference in first bearing seat, and the left end of first rotating shaft is connected with worm screw.
Preferably, tumbler includes endless glide, ring slider, backing plate, second bearing seat, the second shaft and snail
Wheel, the top outer of top plate are provided with endless glide, and endless glide is equipped with ring slider, and ring slider is slided with endless glide
Formula coordinates, and is connected with backing plate at the top of ring slider, and the middle part installation by adhering of top plate has a second bearing seat, in second bearing seat
Bearing interference is connected with the second shaft, is connected among the top of the second shaft and the bottom of backing plate, the middle part connection of the second shaft
There is turbine, worm gear is located at the rear side of worm screw, worm gear and worm engaging.
Preferably, mounting rod and placement plate have been further included, the crown center of backing plate is vertically-mounted mounting rod, mounting rod
Symmetrical above and below on the outside of middle part to be connected with placement plate, placement plate is in horizontally disposed.
Preferably, clamping device has been further included, the top outer of placement plate and backing plate is equipped with clamping device, clamping device
Include U-shaped frame, guide rod, fixture block, spring and pull rod, the top outer of placement plate and backing plate is respectively connected with U-shaped frame, U-shaped frame
Guide hole is provided with the middle part of the left and right sides, guide rod is equipped with guide hole, guide rod coordinates with guide hole, and the guide rod in U-shaped frame connects
Be connected to fixture block, spring be cased with the outside of guide rod between U-shaped frame and fixture block, one end of spring is connected with U-shaped frame, the other end and
Fixture block connects, and the other end of guide rod is connected with pull rod.
Preferably, cloche has been further included, top plate top outer is provided with cloche, and tumbler and placement plate are respectively positioned on
In cloche.
Operation principle：In use, mathematics education model is placed on the placing component of tumbler, start driving dress
Put, driving device driving tumbler operation, so as to drive mathematics education model to rotate so that mathematics education model can be one by one
Show one by one, after the completion of use, close driving device.
Because driving device includes the first motor, first rotating shaft, first bearing seat and worm screw, the top right side peace of top plate
Equipped with the first motor and clutch shaft bearing, the first motor is located on the right side of first bearing seat, and the output shaft of the first motor is connected with first
Shaft, first rotating shaft are connected with the bearing interference in first bearing seat, and the left end of first rotating shaft is connected with worm screw.So start
First motor, the first motor, which rotates, drives first rotating shaft to rotate, so as to drive worm screw to rotate.
Because tumbler includes endless glide, ring slider, backing plate, second bearing seat, the second shaft and worm gear, top
The top outer of plate is provided with endless glide, and endless glide is equipped with ring slider, and ring slider is matched somebody with somebody with endless glide slidingtype
Close, be connected with backing plate at the top of ring slider, the middle part installation by adhering of top plate has a second bearing seat, the bearing in second bearing seat
Interference is connected with the second shaft, is connected among the top of the second shaft and the bottom of backing plate, whirlpool is connected with the middle part of the second shaft
Wheel, worm gear are located at the rear side of worm screw, worm gear and worm engaging.So mathematics education model is placed on backing plate using preceding, snail
Bar, which rotates, drives worm gear to rotate, so as to drive the second shaft to rotate, and then drives backing plate to rotate, and backing plate, which rotates, drives mathematical education
Model rotation so that mathematics education model can be shown one by one one by one.
Because having further included mounting rod and placement plate, the crown center of backing plate is vertically-mounted a mounting rod, in mounting rod
Symmetrical above and below on the outside of portion to be connected with placement plate, placement plate is in horizontally disposed.So placement plate can place more mathematical educations
Model, so as to more be shown.
Because having further included clamping device, the top outer of placement plate and backing plate is equipped with clamping device, clamping device bag
U-shaped frame, guide rod, fixture block, spring and pull rod are included, the top outer of placement plate and backing plate is respectively connected with U-shaped frame, a left side for U-shaped frame
Right two middle side parts are provided with guide hole, and guide rod is equipped with guide hole, and guide rod coordinates with guide hole, the guide rod connection in U-shaped frame
There is fixture block, spring is cased with the outside of the guide rod between U-shaped frame and fixture block, one end of spring is connected with U-shaped frame, the other end and folder
Block connects, and the other end of guide rod is connected with pull rod.So both sides pull rod is pulled laterally respectively, so as to drive the right and left to lead
Bar slides to the left and right sides respectively, and then drives both sides fixture block to move laterally, and spring is compressed, and mathematics education model is placed
Between the fixture block of both sides, releasing lever, under the action of the spring, both sides fixture block clamp mathematics education model so that mathematics is taught
Learning model will not topple in rotary display, further improve the stability of the present invention.
Because having further included cloche, top plate top outer is provided with cloche, and tumbler and placement plate are respectively positioned on glass
In glass cover.So cloche plays protection left and right, the present invention and mathematics education model dust stratification dirt are prevented, and can prevent mathematical education
Model is lost.
(3) beneficial effect
The present invention is clamped mathematics education model by clamping device, driving device driving tumbler operation, so that band
Dynamic mathematics education model rotates so that mathematics education model can show one by one one by one, reached facilitate management, do not allow it is easy to be lost
The good effect of damage, bandwagon effect.
Brief description of the drawings
Fig. 1 is the schematic cross-sectional view of the first front view of the present invention.
Fig. 2 is the schematic cross-sectional view of second of front view of the present invention.
Fig. 3 is the schematic cross-sectional view of the third front view of the present invention.
Fig. 4 is the schematic cross-sectional view of clamping device front view of the present invention.
Mark in attached drawing for：1- bottom plates, 2- wheels, 3- struts, 4- top plates, 5- driving devices, the first motors of 51-, 52-
First rotating shaft, 53- first bearing seats, 54- worm screws, 6- tumblers, 61- endless glides, 62- ring sliders, 63- backing plates, 64-
Second bearing seat, the second shafts of 65-, 66- worm gears, 7- mounting rods, 8- placement plates, 9- clamping devices, 91-U type frames, 92- guide holes,
93- guide rods, 94- fixture blocks, 95- springs, 96- pull rods, 10- cloches.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
Embodiment 1
A kind of mathematical education model display equipment, as shown in Figs 1-4, include bottom plate 1, wheel 2, strut 3, top plate 4,
Driving device 5 and tumbler 6, wheel 2 is mounted at the bottom four corners of bottom plate 1, is respectively mounted at left and right sides of the top of bottom plate 1
There is strut 3, the top of strut 3 is connected with top plate 4, and the top of top plate 4 is equipped with driving device 5 and tumbler 6, driving device 5
Coordinate with tumbler 6.
Embodiment 2
A kind of mathematical education model display equipment, as shown in Figs 1-4, include bottom plate 1, wheel 2, strut 3, top plate 4,
Driving device 5 and tumbler 6, wheel 2 is mounted at the bottom four corners of bottom plate 1, is respectively mounted at left and right sides of the top of bottom plate 1
There is strut 3, the top of strut 3 is connected with top plate 4, and the top of top plate 4 is equipped with driving device 5 and tumbler 6, driving device 5
Coordinate with tumbler 6.
Driving device 5 includes the first motor 51, first rotating shaft 52, first bearing seat 53 and worm screw 54, the top of top plate 4
Right side is provided with the first motor 51 and clutch shaft bearing, and the first motor 51 is located at the right side of first bearing seat 53, the first motor 51 it is defeated
Shaft is connected with first rotating shaft 52, and first rotating shaft 52 is connected with the bearing interference in first bearing seat 53, a left side for first rotating shaft 52
End is connected with worm screw 54.
Embodiment 3
A kind of mathematical education model display equipment, as shown in Figs 1-4, include bottom plate 1, wheel 2, strut 3, top plate 4,
Driving device 5 and tumbler 6, wheel 2 is mounted at the bottom four corners of bottom plate 1, is respectively mounted at left and right sides of the top of bottom plate 1
There is strut 3, the top of strut 3 is connected with top plate 4, and the top of top plate 4 is equipped with driving device 5 and tumbler 6, driving device 5
Coordinate with tumbler 6.
Driving device 5 includes the first motor 51, first rotating shaft 52, first bearing seat 53 and worm screw 54, the top of top plate 4
Right side is provided with the first motor 51 and clutch shaft bearing, and the first motor 51 is located at the right side of first bearing seat 53, the first motor 51 it is defeated
Shaft is connected with first rotating shaft 52, and first rotating shaft 52 is connected with the bearing interference in first bearing seat 53, a left side for first rotating shaft 52
End is connected with worm screw 54.
Tumbler 6 includes endless glide 61, ring slider 62, backing plate 63, second bearing seat 64,65 and of the second shaft
Worm gear 66, the top outer of top plate 4 are provided with endless glide 61, and endless glide 61 is equipped with ring slider 62, ring slider 62
It is in sliding fit with endless glide 61, the top of ring slider 62 is connected with backing plate 63, and the middle part installation by adhering of top plate 4 has second
Bearing block 64, the bearing interference in second bearing seat 64 are connected with the second shaft 65, top and the backing plate 63 of the second shaft 65
Connection among bottom, the middle part of the second shaft 65 are connected with turbine, and worm gear 66 is located at the rear side of worm screw 54, worm gear 66 and worm screw 54
Engagement.
Embodiment 4
A kind of mathematical education model display equipment, as shown in Figs 1-4, include bottom plate 1, wheel 2, strut 3, top plate 4,
Driving device 5 and tumbler 6, wheel 2 is mounted at the bottom four corners of bottom plate 1, is respectively mounted at left and right sides of the top of bottom plate 1
There is strut 3, the top of strut 3 is connected with top plate 4, and the top of top plate 4 is equipped with driving device 5 and tumbler 6, driving device 5
Coordinate with tumbler 6.
Driving device 5 includes the first motor 51, first rotating shaft 52, first bearing seat 53 and worm screw 54, the top of top plate 4
Right side is provided with the first motor 51 and clutch shaft bearing, and the first motor 51 is located at the right side of first bearing seat 53, the first motor 51 it is defeated
Shaft is connected with first rotating shaft 52, and first rotating shaft 52 is connected with the bearing interference in first bearing seat 53, a left side for first rotating shaft 52
End is connected with worm screw 54.
Tumbler 6 includes endless glide 61, ring slider 62, backing plate 63, second bearing seat 64,65 and of the second shaft
Worm gear 66, the top outer of top plate 4 are provided with endless glide 61, and endless glide 61 is equipped with ring slider 62, ring slider 62
It is in sliding fit with endless glide 61, the top of ring slider 62 is connected with backing plate 63, and the middle part installation by adhering of top plate 4 has second
Bearing block 64, the bearing interference in second bearing seat 64 are connected with the second shaft 65, top and the backing plate 63 of the second shaft 65
Connection among bottom, the middle part of the second shaft 65 are connected with turbine, and worm gear 66 is located at the rear side of worm screw 54, worm gear 66 and worm screw 54
Engagement.
Mounting rod 7 and placement plate 8 are further included, the crown center of backing plate 63 is vertically-mounted mounting rod 7, mounting rod 7
Symmetrical above and below on the outside of middle part to be connected with placement plate 8, placement plate 8 is in horizontally disposed.
Clamping device 9 is further included, the top outer of placement plate 8 and backing plate 63 is equipped with clamping device 9, clamping device 9
Include U-shaped frame 91, guide rod 93, fixture block 94, spring 95 and pull rod 96, the top outer of placement plate 8 and backing plate 63 is respectively connected with U
Type frame 91, the left and right sides middle part of U-shaped frame 91 are provided with guide hole 92, are equipped with guide rod 93 in guide hole 92, guide rod 93 is matched somebody with somebody with guide hole 92
Close, 93 one end of guide rod in U-shaped frame 91 is connected with fixture block 94, the outside of guide rod 93 between U-shaped frame 91 and fixture block 94
Spring 95 is cased with, one end of spring 95 is connected with U-shaped frame 91, and the other end is connected with fixture block 94, and the other end of guide rod 93 is connected with
Pull rod 96.
Cloche 10 is further included, 4 top outer of top plate is provided with cloche 10, and tumbler 6 and placement plate 8 are respectively positioned on
In cloche 10.
Operation principle：In use, mathematics education model is placed on the placing component of tumbler 6, start driving dress
5 are put, driving device 5 drives tumbler 6 to run, so as to drive mathematics education model to rotate so that mathematics education model can
Show one by one one by one, after the completion of use, close driving device 5.
Because driving device 5 includes the first motor 51, first rotating shaft 52, first bearing seat 53 and worm screw 54, top plate 4
Top right side is provided with the first motor 51 and clutch shaft bearing, and the first motor 51 is located at the right side of first bearing seat 53, the first motor 51
Output shaft be connected with first rotating shaft 52, first rotating shaft 52 is connected with the bearing interference in first bearing seat 53, first rotating shaft 52
Left end be connected with worm screw 54.So starting the first motor 51, the first motor 51, which rotates, drives first rotating shaft 52 to rotate, so that
Worm screw 54 is driven to rotate.
Because tumbler 6 includes endless glide 61, ring slider 62, backing plate 63, second bearing seat 64, the second shaft
65 and worm gear 66, the top outer of top plate 4 is provided with endless glide 61, and endless glide 61 is equipped with ring slider 62, and annular is sliding
Block 62 is in sliding fit with endless glide 61, and the top of ring slider 62 is connected with backing plate 63, and the middle part installation by adhering of top plate 4 has
Second bearing seat 64, the bearing interference in second bearing seat 64 are connected with the second shaft 65, the top of the second shaft 65 and backing plate
Connection, the middle part of the second shaft 65 are connected with turbine among 63 bottom, and worm gear 66 is located at the rear side of worm screw 54, worm gear 66 and snail
Bar 54 engages.So mathematics education model is placed on backing plate 63 using preceding, worm screw 54, which rotates, drives worm gear 66 to rotate, from
And drive the second shaft 65 to rotate, and then drive backing plate 63 to rotate, backing plate 63, which rotates, drives mathematics education model to rotate so that number
Learning teaching mode can show one by one one by one.
Because having further included mounting rod 7 and placement plate 8, the crown center of backing plate 63 is vertically-mounted mounting rod 7, mounting rod
Symmetrical above and below on the outside of 7 middle part to be connected with placement plate 8, placement plate 8 is in horizontally disposed.So placement plate 8 can place more
Mathematics education model, so as to more be shown.
Because having further included clamping device 9, the top outer of placement plate 8 and backing plate 63 is equipped with clamping device 9, clamps dress
Put 9 and include U-shaped frame 91, guide rod 93, fixture block 94, spring 95 and pull rod 96, the top outer of placement plate 8 and backing plate 63 is all connected with
There is U-shaped frame 91, guide hole 92 is provided with the middle part of the left and right sides of U-shaped frame 91, guide rod 93, guide rod 93 and guide hole 92 are equipped with guide hole 92
Coordinate, 93 one end of guide rod in U-shaped frame 91 is connected with fixture block 94, outside the guide rod 93 between U-shaped frame 91 and fixture block 94
Side is cased with spring 95, and one end of spring 95 is connected with U-shaped frame 91, and the other end is connected with fixture block 94, the other end connection of guide rod 93
There is pull rod 96.So both sides pull rod 96 is pulled laterally respectively, so as to drive the right and left guide rod 93 to slide to the left and right sides respectively
Dynamic, and then drive both sides fixture block 94 to move laterally, spring 95 is compressed, by mathematics education model be placed on both sides fixture block 94 it
Between, releasing lever 96, under the action of spring 95, both sides fixture block 94 clamps mathematics education model so that mathematics education model
It will not topple in rotary display, further improve the stability of the present invention.
Because having further included cloche 10,4 top outer of top plate is provided with cloche 10, and tumbler 6 and placement plate 8 are equal
In cloche 10.So cloche 10 plays protection left and right, the present invention and mathematics education model dust stratification dirt are prevented, and can prevent
Only mathematics education model is lost.
Embodiment described above only expresses the preferred embodiment of the present invention, its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformations can also be made, improves and substitutes, these belong to this hair
Bright protection domain.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (6)
1. a kind of mathematical education model display equipment, it is characterised in that include bottom plate (1), wheel (2), strut (3), top
Plate (4), driving device (5) and tumbler (6), are mounted on wheel (2), the top of bottom plate (1) at the bottom four corners of bottom plate (1)
Strut (3) is mounted at left and right sides of portion, top plate (4) is connected with the top of strut (3), the top of top plate (4) is equipped with driving and fills
(5) and tumbler (6) are put, driving device (5) and tumbler (6) coordinate.
2. a kind of mathematical education model display equipment according to claim 1, it is characterised in that driving device (5) is wrapped
The first motor (51), first rotating shaft (52), first bearing seat (53) and worm screw (54), the top right side installation of top plate (4) are included
Have the first motor (51) and a clutch shaft bearing, the first motor (51) is located on the right side of first bearing seat (53), the first motor (51) it is defeated
Shaft is connected with first rotating shaft (52), and first rotating shaft (52) is connected with the bearing interference in first bearing seat (53), first rotating shaft
(52) left end is connected with worm screw (54).
3. a kind of mathematical education model display equipment according to claim 2, it is characterised in that tumbler (6) wraps
Endless glide (61), ring slider (62), backing plate (63), second bearing seat (64), the second shaft (65) and worm gear (66) have been included,
The top outer of top plate (4) is provided with endless glide (61), and endless glide (61) is equipped with ring slider (62), ring slider
(62) it is in sliding fit with endless glide (61), backing plate (63), the middle part insertion of top plate (4) is connected with the top of ring slider (62)
Formula is provided with second bearing seat (64), and the bearing interference in second bearing seat (64) is connected with the second shaft (65), the second shaft
(65) connected among top and the bottom of backing plate (63), be connected with turbine in the middle part of the second shaft (65), worm gear (66) is located at
The rear side of worm screw (54), worm gear (66) are engaged with worm screw (54).
4. a kind of mathematical education model display equipment according to claim 3, it is characterised in that further included mounting rod
(7) and placement plate (8), the crown center of backing plate (63) is vertically-mounted a mounting rod (7), on the outside of the middle part of mounting rod (7) up and down
Placement plate (8) is symmetrically connected with, placement plate (8) is in horizontally disposed.
5. a kind of mathematical education model display equipment according to claim 4, it is characterised in that further included clamping dress
Put (9), the top outer of placement plate (8) and backing plate (63) is equipped with clamping device (9), and clamping device (9) includes U-shaped frame
(91), the top outer of guide rod (93), fixture block (94), spring (95) and pull rod (96), placement plate (8) and backing plate (63) is all connected with
There is U-shaped frame (91), guide hole (92) is provided with the middle part of the left and right sides of U-shaped frame (91), guide rod (93), guide rod are equipped with guide hole (92)
(93) coordinate with guide hole (92), guide rod (93) one end in U-shaped frame (91) is connected with fixture block (94), positioned at U-shaped frame (91)
Spring (95) is cased with the outside of guide rod (93) between fixture block (94), one end of spring (95) is connected with U-shaped frame (91), the other end
It is connected with fixture block (94), the other end of guide rod (93) is connected with pull rod (96).
6. a kind of mathematical education model display equipment according to claim 5, it is characterised in that further included cloche
(10), top plate (4) top outer is provided with cloche (10), and tumbler (6) and placement plate (8) are respectively positioned on cloche (10)
It is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711174946.XA CN107993521A (en) | 2017-11-22 | 2017-11-22 | A kind of mathematical education model display equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711174946.XA CN107993521A (en) | 2017-11-22 | 2017-11-22 | A kind of mathematical education model display equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107993521A true CN107993521A (en) | 2018-05-04 |
Family
ID=62031935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711174946.XA Pending CN107993521A (en) | 2017-11-22 | 2017-11-22 | A kind of mathematical education model display equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107993521A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110148345A (en) * | 2018-05-25 | 2019-08-20 | 深圳信息职业技术学院 | A kind of three-dimensional logistics business teaching sand table being easily installed |
| CN110749754A (en) * | 2019-11-12 | 2020-02-04 | 衡阳市华仪电力互感器有限公司 | Van-type power transformer mobile test platform |
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| CN204440751U (en) * | 2015-03-06 | 2015-07-01 | 盛春红 | Mathematical education sample display device |
| CN204516150U (en) * | 2015-04-21 | 2015-07-29 | 赵雨馨 | Teaching reform content displaying servicing unit |
| CN205247716U (en) * | 2016-01-07 | 2016-05-18 | 新乡职业技术学院 | Three -dimensional pivoted mathematic model device |
| CN205959478U (en) * | 2016-05-13 | 2017-02-15 | 王澔岳 | Higher mathematics three -dimensional scale model display device that imparts knowledge to students |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204087619U (en) * | 2014-10-28 | 2015-01-07 | 于丽 | Higher mathematics spatial neighborhood and norm distance rotary display platform |
| CN204270557U (en) * | 2014-12-01 | 2015-04-15 | 绥化学院 | Higher mathematics saddle camber math equation form rotary display platform |
| CN204440751U (en) * | 2015-03-06 | 2015-07-01 | 盛春红 | Mathematical education sample display device |
| CN204516150U (en) * | 2015-04-21 | 2015-07-29 | 赵雨馨 | Teaching reform content displaying servicing unit |
| CN205247716U (en) * | 2016-01-07 | 2016-05-18 | 新乡职业技术学院 | Three -dimensional pivoted mathematic model device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110148345A (en) * | 2018-05-25 | 2019-08-20 | 深圳信息职业技术学院 | A kind of three-dimensional logistics business teaching sand table being easily installed |
| CN110749754A (en) * | 2019-11-12 | 2020-02-04 | 衡阳市华仪电力互感器有限公司 | Van-type power transformer mobile test platform |
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Application publication date: 20180504 |