CN208766885U - A kind of higher mathematics differential teaching aid easy to remove - Google Patents
A kind of higher mathematics differential teaching aid easy to remove Download PDFInfo
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- CN208766885U CN208766885U CN201820812651.4U CN201820812651U CN208766885U CN 208766885 U CN208766885 U CN 208766885U CN 201820812651 U CN201820812651 U CN 201820812651U CN 208766885 U CN208766885 U CN 208766885U
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- cavity
- fixedly connected
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- support rotating
- teaching aid
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Abstract
A kind of higher mathematics differential teaching aid easy to remove of the utility model, including bottom plate, the tote box intracavity bottom is divided into the first cavity by partition, second cavity and third cavity, third cavity inner cavity two sides inner wall lower rotation is connected with threaded rod, the threaded rod outer surface thread is connected with horizontal slider, the horizontal slider is connected with lifter plate by link rotatable far from the side of guide rod, support rotating case is fixedly connected at the top of the lifter plate, support rotating box cavity bottom middle position is rotatably connected to electric telescopic rod, the electric telescopic rod is fixedly connected with differential display board by fixed card buckle far from one end outer surface of support rotating case, the utility model relates to higher mathematics teaching aid technical fields.The device is convenient for the drafting of derivative limit figure, and by the deduction of figure, convenient for the understanding of student, and it can also be moved easily and pass round, and to guarantee that each classmate can intuitively observe, improve learning efficiency.
Description
Technical field
The utility model relates to higher mathematics teaching aid technical field, specially a kind of higher mathematics differential teaching easy to remove
Apparatus.
Background technique
Higher mathematics is extremely important for most of students, and very due to many concepts in higher mathematics
Abstract, simple is difficult to understand for by teacher explanation student, and especially the curvature portion in higher mathematics, curved surface are that differential is several
One of the main object of what research.Existing higher mathematics differential teaching is substantially without corresponding teaching aid, so that classmates
Be difficult to understand for the content in terms of curved surface, therefore teaching efficiency is bad, even if possessing relevant teaching aid, substantially also only close to its
Classmate is it is observed that being not easy to move and pass round, so that it is unable to reach corresponding desired effect, classmates can not be slapped
Corresponding knowledge is held, course is difficult to continue to learn.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, originally practical to provide a kind of higher mathematics differential teaching aid easy to remove, it solves
Existing higher mathematics differential teaching substantially without corresponding teaching aid so that classmates be difficult to understand for it is interior in terms of curved surface
Hold, therefore teaching efficiency is bad, even if possessing relevant teaching aid, substantially also only close to its classmate it is observed that inconvenience
It in movement and is passed round, so that it is unable to reach corresponding desired effect, classmates can not grasp corresponding knowledge, and course is difficult
The problem of to continue study.
(2) technical solution
In order to achieve the above object, originally practical be achieved by the following technical programs: a kind of higher mathematics easy to remove is micro-
Divide teaching aid, including bottom plate, tote box is fixedly connected at the top of the bottom plate, the tote box intracavity bottom passes through partition point
At the first cavity, the second cavity and third cavity, the first cavity intracavity inner surface is fixedly connected with damp-proof layer, described moisture-proof
Layer inner surface is fixedly connected with matcoveredn, and second cavity inner cavity two sides inner wall bottom is fixedly connected with radiator fan, described
It is fixedly connected with power supply at the top of second cavity inner cavity two sides inner wall, third cavity inner cavity two sides inner wall bottom is fixedly connected with
Guide rod, third cavity inner cavity two sides inner wall lower rotation are connected with threaded rod, and the threaded rod is located above guide rod, described
Screw thread rod outer surface middle position is fixedly connected with follow bevel gear, and the follow bevel gear outer surface engaged transmission has actively tiltedly
Gear, the drive bevel gear are rotatably connected to first motor, the screw thread rod outer surface spiral shell far from the side of follow bevel gear
Line is connected with horizontal slider, and side of the horizontal slider far from guide rod is connected with lifter plate, the lifting by link rotatable
Board ends slidably connect rail block, are fixedly connected with support rotating case, the support rotating box cavity at the top of the lifter plate
Bottom middle position is rotatably connected to electric telescopic rod, and support rotating box cavity bottom is located at electric telescopic rod side and fixes
It is connected with the second motor, second motor output end is rotatablely connected by gear set and electric telescopic rod, the electric expansion
Bar is fixedly connected with differential display board by fixed card buckle far from one end outer surface of support rotating case.
Preferably, the differential display board includes main body, and the body inner surface is fixedly connected with coordinate magnetic sheet, the master
Body bottom is fixedly connected with placing groove, and coordinate magnetic sheet front is provided with magnetic clasp, side of the magnetic clasp far from coordinate magnetic sheet
It is fixedly connected with connecting line.
Preferably, the radiator fan includes fan case, and fan case inner cavity top middle position is fixedly connected with wind
Motor is fanned, the fan motor output end is rotatably connected to rotation axis by output shaft, and the rotation axis is far from fan motor
One end is fixedly connected with flabellum.
Preferably, the tote box is fixedly connected with the first case by hinge at the top of the side outer wall of the first cavity
Door, the tote box are fixedly connected with the second chamber door by hinge at the top of the side outer wall of third cavity.
Preferably, the second cavity intracavity bottom offers through-hole, and the through-hole inner cavity is close to the side of radiator fan
It is fixedly connected with Air Filter, the through-hole inner cavity is fixedly connected with shutter, second cavity far from the side of radiator fan
Two sides inner wall, which is located above radiator fan, offers air hole, and the bottom base plate symmetric position is fixedly connected with universal wheel.
Preferably, the guide rod outer surface is slidably connected with horizontal slider, and the first motor is far from drive bevel gear
Side is fixedly connected by connecting plate with third cavity, side of the rail block far from lifter plate and the fixed company of third cavity
It connects, the electric telescopic rod is through support rotating case and extends to support rotating box top.
(3) beneficial effect
This is practical to provide a kind of higher mathematics differential teaching aid easy to remove, have it is following the utility model has the advantages that
The device, the side by horizontal slider far from guide rod are connected with lifter plate by link rotatable, go up and down board ends
Rail block is slidably connected, support rotating case is fixedly connected at the top of lifter plate, support rotating box cavity bottom middle position turns
Dynamic to be connected with electric telescopic rod, support rotating box cavity bottom is located at electric telescopic rod side and is fixedly connected with the second motor, the
Two motor output ends are rotatablely connected by gear set and electric telescopic rod, one end appearance of the electric telescopic rod far from support rotating case
Face is fixedly connected with differential display board by fixed card buckle, so that the device is convenient for the drafting of derivative limit figure, passes through figure
Deduction solve the elusive situation of differential in existing higher mathematics, and it can also facilitate convenient for the understanding of student
It moves and passes round, to guarantee that each classmate can intuitively observe, improve learning efficiency.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model cooling fan structure schematic diagram；
Fig. 3 is the utility model differential display board structural schematic diagram.
In figure: 1 bottom plate, 2 tote boxes, 3 first cavitys, 4 second cavitys, 5 third cavitys, 6 damp-proof layers, 7 protective layers, 8 dissipate
Hot-air fan, 81 fan cases, 82 fan motors, 83 rotation axis, 84 flabellums, 9 power supplys, 10 guide rods, 11 threaded rods, 12 driven helical teeth
Wheel, 13 drive bevel gears, 14 first motors, 15 horizontal sliders, 16 connecting rods, 17 lifter plates, 18 rail blocks, 19 support rotating casees,
20 electric telescopic rods, 21 second motors, 22 gear sets, 23 fixed card buckles, 24 differential display boards, 241 main bodys, 242 coordinate magnetic sheets,
243 placing grooves, 244 magnetic clasps, 245 connecting lines, 25 first chamber doors, 26 second chamber doors, 27 through-holes, 28 Air Filters, 29 shutters, 30
Air hole.
Specific embodiment
Below in conjunction with the attached drawing in this practical embodiment, the technical solution in this practical embodiment is carried out clear, complete
Site preparation description, it is clear that described embodiment is only this practical a part of the embodiment, instead of all the embodiments.It is based on
Embodiment during this is practical, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment belongs to the range of this practical protection.
Fig. 1-Fig. 3 is please referred to, it is originally practical that a kind of technical solution is provided: a kind of higher mathematics differential teaching use easy to remove
Tool, including bottom plate 1 are fixedly connected with tote box 2 at the top of bottom plate 1,2 intracavity bottom of tote box by partition be divided into the first cavity 3,
Second cavity 4 and third cavity 5, tote box 2 are fixedly connected with first by hinge at the top of the side outer wall of the first cavity 3
Chamber door 25, tote box 2 are fixedly connected with the second chamber door 26 by hinge at the top of the side outer wall of third cavity 5.First chamber
3 intracavity inner surface of body is fixedly connected with damp-proof layer 6, and 6 inner surface of damp-proof layer is fixedly connected with matcoveredn 7,4 inner cavity two of the second cavity
Side inner wall bottom is fixedly connected with radiator fan 8, and radiator fan 8 includes fan case 81,81 inner cavity top middle position of fan case
It is fixedly connected with fan motor 82,82 output end of fan motor is rotatably connected to rotation axis 83 by output shaft, and rotation axis 83 is remote
One end from fan motor 82 is fixedly connected with flabellum 84.It is fixedly connected with power supply 9 at the top of second cavity, 4 inner cavity two sides inner wall,
5 inner cavity two sides inner wall bottom of third cavity is fixedly connected with guide rod 10, and 5 inner cavity two sides inner wall lower rotation of third cavity is connected with
Threaded rod 11, threaded rod 11 are located at 10 top of guide rod, and 11 outer surface middle position of threaded rod is fixedly connected with follow bevel gear 12,
12 outer surface of follow bevel gear engaged transmission has drive bevel gear 13, and drive bevel gear 13 turns far from the side of follow bevel gear 12
Dynamic to be connected with first motor 14,11 outer surface thread of threaded rod is connected with horizontal slider 15, and horizontal slider 15 is far from guide rod 10
Side is rotatably connected to lifter plate 17 by connecting rod 16, and 17 both ends of lifter plate slidably connect rail block 18,17 top of lifter plate
It is fixedly connected with support rotating case 19,19 intracavity bottom middle position of support rotating case is rotatably connected to electric telescopic rod 20, branch
Support 19 intracavity bottom of rotating box is located at 20 side of electric telescopic rod and is fixedly connected with the second motor 21, and 21 output end of the second motor is logical
It crosses gear set 22 and electric telescopic rod 20 is rotatablely connected, electric telescopic rod 20 passes through far from one end outer surface of support rotating case 19
Fixed card buckle 23 is fixedly connected with differential display board 24.Differential display board 24 includes main body 241, and 241 inner surface of main body is fixed to be connected
It is connected to coordinate magnetic sheet 242,241 bottom of main body is fixedly connected with placing groove 243, and 242 front of coordinate magnetic sheet is provided with magnetic clasp 244,
Magnetic clasp 244 is fixedly connected with connecting line 245 far from the side of coordinate magnetic sheet 242.Second cavity, 4 intracavity bottom offers through-hole
27,27 inner cavity of through-hole is fixedly connected with Air Filter 28 close to the side of radiator fan 8, and 27 inner cavity of through-hole is far from radiator fan 8
Side is fixedly connected with shutter 29, and 4 two sides inner wall of the second cavity is located at 8 top of radiator fan and offers air hole 30, bottom
1 bottom symmetrical position of plate is fixedly connected with universal wheel.10 outer surface of guide rod is slidably connected with horizontal slider 15, and first motor 14 is remote
Side from drive bevel gear 13 is fixedly connected by connecting plate with third cavity 5, side of the rail block 18 far from lifter plate 17
It is fixedly connected with third cavity 5, electric telescopic rod 20 is through support rotating case 19 and extends to 19 top of support rotating case.So that
The device is convenient for the drafting of derivative limit figure, solves existing higher mathematics by the deduction of figure convenient for the understanding of student
The middle elusive situation of differential, and it can also be moved easily and pass round, to guarantee that each classmate can be intuitive
It observes, improves learning efficiency.
In use, the first chamber door 25 and the second chamber door 26 are opened, starting first motor 14 passes through 13 He of drive bevel gear
Follow bevel gear 12 is intermeshed, so that threaded rod 11 rotates, so that horizontal slider 15 is mutually shifted, to rise by connecting rod 16
It drops plate 17 to move vertically, support rotating case 19 is risen, start electric telescopic rod 20, so that fixed card buckle 23 is raised to corresponding position
It sets, differential display board 24 is taken out from the first cavity 3 and is installed, and pass through the magnetic clasp 244 and connecting line in placing groove 243
245 carry out the demonstration of differential curve, the mobile device, and start the second motor 21 and differential display board 24 is slowly rotated, with
It can observe convenient for all classmates, be packed up after demonstration, and start radiator fan 8 and radiate.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By the sentence " element limited including one, it is not excluded that including
There is also other identical elements in the process, method, article or equipment of element ".
While there has been shown and described that this practical embodiment for the ordinary skill in the art can be with
A variety of variations, modification, replacement can be carried out in the case where not departing from this practical principle and spirit to these embodiments by understanding
And modification, this practical range are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of higher mathematics differential teaching aid easy to remove, including bottom plate (1), it is characterised in that: at the top of the bottom plate (1)
It is fixedly connected with tote box (2), tote box (2) intracavity bottom is divided into the first cavity (3), the second cavity (4) by partition
With third cavity (5), the first cavity (3) intracavity inner surface is fixedly connected with damp-proof layer (6), the interior table of the damp-proof layer (6)
Face is fixedly connected matcoveredn (7), and the second cavity (4) inner cavity two sides inner wall bottom is fixedly connected with radiator fan (8), institute
It states and is fixedly connected with power supply (9) at the top of the inner wall of the second cavity (4) inner cavity two sides, third cavity (5) the inner cavity two sides inner wall bottom
Portion is fixedly connected with guide rod (10), and third cavity (5) inner cavity two sides inner wall lower rotation is connected with threaded rod (11), described
Threaded rod (11) is located above guide rod (10), and threaded rod (11) the outer surface middle position is fixedly connected with follow bevel gear
(12), follow bevel gear (12) the outer surface engaged transmission has drive bevel gear (13), and the drive bevel gear (13) is separate
The side of follow bevel gear (12) is rotatably connected to first motor (14), and threaded rod (11) outer surface thread is connected with level
Sliding block (15), side of the horizontal slider (15) far from guide rod (10) are rotatably connected to lifter plate (17) by connecting rod (16),
Lifter plate (17) both ends slidably connect rail block (18), are fixedly connected with support rotating case at the top of the lifter plate (17)
(19), support rotating case (19) the intracavity bottom middle position is rotatably connected to electric telescopic rod (20), the support rotating
Case (19) intracavity bottom is located at electric telescopic rod (20) side and is fixedly connected with the second motor (21), and second motor (21) is defeated
Outlet is rotatablely connected by gear set (22) and electric telescopic rod (20), and the electric telescopic rod (20) is far from support rotating case
(19) one end outer surface is fixedly connected with differential display board (24) by fixed card buckle (23).
2. a kind of higher mathematics differential teaching aid easy to remove according to claim 1, it is characterised in that: the differential
Display board (24) includes main body (241), and main body (241) inner surface is fixedly connected with coordinate magnetic sheet (242), the main body
(241) bottom is fixedly connected with placing groove (243), and coordinate magnetic sheet (242) front is provided with magnetic clasp (244), the magnetic clasp
(244) side far from coordinate magnetic sheet (242) is fixedly connected with connecting line (245).
3. a kind of higher mathematics differential teaching aid easy to remove according to claim 1, it is characterised in that: the heat dissipation
Fan (8) includes fan case (81), and fan case (81) the inner cavity top middle position is fixedly connected with fan motor (82), institute
It states fan motor (82) output end to be rotatably connected to rotation axis (83) by output shaft, the rotation axis (83) is far from fan motor
(82) one end is fixedly connected with flabellum (84).
4. a kind of higher mathematics differential teaching aid easy to remove according to claim 1, it is characterised in that: the loading
Case (2) is fixedly connected with the first chamber door (25), the tote box by hinge at the top of the side outer wall of the first cavity (3)
(2) the second chamber door (26) are fixedly connected with by hinge at the top of the side outer wall of third cavity (5).
5. a kind of higher mathematics differential teaching aid easy to remove according to claim 1, it is characterised in that: described second
Cavity (4) intracavity bottom offers through-hole (27), and through-hole (27) inner cavity is fixedly connected with close to the side of radiator fan (8)
Air Filter (28), through-hole (27) inner cavity are fixedly connected with shutter (29) far from the side of radiator fan (8), and described second
Cavity (4) two sides inner wall, which is located above radiator fan (8), to be offered air hole (30), bottom plate (1) the bottom symmetrical position
It is fixedly connected with universal wheel.
6. a kind of higher mathematics differential teaching aid easy to remove according to claim 1, it is characterised in that: the guide rod
(10) outer surface is slidably connected with horizontal slider (15), and the first motor (14) passes through far from the side of drive bevel gear (13)
Connecting plate is fixedly connected with third cavity (5), and side and third cavity (5) of the rail block (18) far from lifter plate (17) are solid
Fixed connection, the electric telescopic rod (20) is through support rotating case (19) and extends at the top of support rotating case (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820812651.4U CN208766885U (en) | 2018-05-29 | 2018-05-29 | A kind of higher mathematics differential teaching aid easy to remove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820812651.4U CN208766885U (en) | 2018-05-29 | 2018-05-29 | A kind of higher mathematics differential teaching aid easy to remove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208766885U true CN208766885U (en) | 2019-04-19 |
Family
ID=66127293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820812651.4U Expired - Fee Related CN208766885U (en) | 2018-05-29 | 2018-05-29 | A kind of higher mathematics differential teaching aid easy to remove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208766885U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111210677A (en) * | 2020-02-04 | 2020-05-29 | 潍坊科技学院 | Equipment for accounting teaching |
| CN112447090A (en) * | 2020-12-22 | 2021-03-05 | 中国人民解放军陆军工程大学 | Transmission demonstration teaching aid for equipment machinery |
-
2018
- 2018-05-29 CN CN201820812651.4U patent/CN208766885U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111210677A (en) * | 2020-02-04 | 2020-05-29 | 潍坊科技学院 | Equipment for accounting teaching |
| CN112447090A (en) * | 2020-12-22 | 2021-03-05 | 中国人民解放军陆军工程大学 | Transmission demonstration teaching aid for equipment machinery |
| CN112447090B (en) * | 2020-12-22 | 2022-04-12 | 中国人民解放军陆军工程大学 | Transmission demonstration teaching aid for equipment machinery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190419 Termination date: 20200529 |
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| CF01 | Termination of patent right due to non-payment of annual fee |