CN207115812U - A kind of student mathematics apparatus for being used to demonstrate ellipse - Google Patents
A kind of student mathematics apparatus for being used to demonstrate ellipse Download PDFInfo
- Publication number
- CN207115812U CN207115812U CN201720734244.1U CN201720734244U CN207115812U CN 207115812 U CN207115812 U CN 207115812U CN 201720734244 U CN201720734244 U CN 201720734244U CN 207115812 U CN207115812 U CN 207115812U
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- CN
- China
- Prior art keywords
- chute
- slidably connected
- demonstration equipment
- pull baffles
- spring
- Prior art date
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Abstract
The utility model discloses a kind of student mathematics apparatus for being used to demonstrate ellipse,Including demonstration equipment,The utility model by the lower end of demonstration equipment by setting roller,Chute is set on its upper and lower ends inwall,And pull baffles are slidably connected with demonstration equipment,Make this new structure conveniently moving,Assembling is simple,By will pass on pull baffles front end face, longitudinal chute is set,Horizontal concrete chute and embedded groove,Longitudinal adjustment apparatus and lateral adjustment device are set on rear end face,And fixed block is slidably connected through pull baffles with threaded post,Embedded block is slidably connected through through hole with embedded groove,Make this new structure when carrying out oval figure regulation,Characteristic fixed at any time can be reached,By the way that gag lever post is arranged at into spring inner,Spring is rolled with gag lever post and connected,And elastic connection between multiple projection each twos on connecting plate,Make this new structure when carrying out oval regulation,Ellipse can carry out the change of area with nut.
Description
Technical field
Demonstration equipment technical field is the utility model is related to, specially a kind of student mathematics for being used to demonstrate ellipse are used
Tool.
Background technology
In the oval knowledge of study, many students are more hard to imagine and understand oval concrete structure, teacher when teaching,
Main to explain to student on blackboard by ellipse drawing still by ruler and chalk, such means of giving lessons waste time and energy, than
It is more stiff, it is not vivid enough, if teacher can carry out oval teaching by the teaching aid of demonstration, it is fast student to be beneficial to
Speed understands and masters oval knowledge, improves learning efficiency, but less for oval teaching aid in reality, and function is relatively
Few, operation is more complicated, is this it is proposed that a kind of student mathematics apparatus for being used to demonstrate ellipse is used to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of student mathematics apparatus for being used to demonstrate ellipse, to solve the above-mentioned back of the body
The problem of being proposed in scape technology.
To achieve the above object, the utility model provides following technical scheme：A kind of middle school student's number for being used to demonstrate ellipse
Learn apparatus, including demonstration equipment, the " U "-shaped shape of demonstration equipment, its lower end is provided with roller, and roller is provided with four, and
Respectively at the corner of demonstration equipment lower end, pull baffles, pull baffles are provided between the upper and lower ends of the demonstration equipment
Upper and lower ends side on be provided with sliding block, and relative on the upper and lower ends inwall of demonstration equipment be provided with chute, pull gear
Plate is slidably connected with demonstration equipment, and longitudinal chute, horizontal concrete chute and embedding are provided with the leading exterior surface of the pull baffles
Enter groove, longitudinal chute is in same plane with horizontal concrete chute, intersected at both middle-ends, and the upper end space of planes of pull baffles is set
Be equipped with connecting plate, the connecting plate is in oval ring-type, is respectively arranged with fixed block at its upper end corner, and each two fixed block it
Between be provided with through hole, should be slidably connected positioned at fixed block of connecting plate upper and lower ends through longitudinal chute and longitudinal threaded post,
Fixed block positioned at connecting plate left and right ends is slidably connected through horizontal concrete chute and the threaded post of transverse direction, after the pull baffles
Longitudinal adjustment apparatus and lateral adjustment device are provided with end face, the adjusting means include threaded post, spring, nut and
Gag lever post, and threaded post is symmetrical arranged based on nut.
Preferably, the embedded groove is provided with multiple, and its height is less than the height of pull baffles, and on the inwall of embedded groove
Multiple chutes are provided with, embedded block is slidably connected through through hole with embedded groove.
Preferably, the gag lever post is arranged at spring inner, and spring is internally provided with gag lever post upper and lower ends contact surface
Ball, spring is rolled with gag lever post and connected, and threaded post is connected with nut thread, and the screw thread travel of the nut is equal to longitudinal chute
And the length of horizontal concrete chute.
Preferably, the connecting plate is that multiple projections are formed by connecting, and round bar is provided between each two projection, on the round bar
Two torsion springs are socketed with, and torsion spring both ends torque arm is respectively arranged inside projection, elastic connection between each two projection.
Compared with prior art, the beneficial effects of the utility model are：The utility model structure setting is reasonable, feature
By force, there is advantages below：
1st, by the way that the lower end of demonstration equipment is set into four rolling, will chute be set, and will take out on its upper and lower ends inwall
Draw and sliding block is set on the upper and lower ends side of baffle plate, pull baffles are slidably connected with demonstration equipment, this new structure is not only moved
It is dynamic convenient, and assemble simple；
2nd, by the way that longitudinal chute, horizontal concrete chute and embedded groove, rear end will be set on the leading exterior surface for passing pull baffles
Longitudinal adjustment apparatus and lateral adjustment device are set on face, and four fixed blocks on connecting plate run through pull baffles and screw thread
Post is slidably connected, and embedded block is slidably connected through through hole with embedded groove, makes this new structure when carrying out oval figure regulation,
Characteristic fixed at any time can be reached；
3rd, by the way that gag lever post is arranged at into spring inner, spring is rolled with gag lever post and connected, and multiple convex on connecting plate
Elastic connection between block each two, make this new structure when carrying out oval regulation, it is oval to carry out area with nut
Change.
Brief description of the drawings
Fig. 1 is the utility model structure front view；
Fig. 2 is the utility model structure rearview；
Fig. 3 is the utility model connecting board structure schematic diagram；
Fig. 4 is the utility model gag lever post structural representation；
Fig. 5 is the utility model inserted block structure schematic diagram.
In figure：1 demonstration equipment, 2 pull baffles, 3 longitudinal chutes, 4 embedded grooves, 5 fixed blocks, 6 horizontal concrete chutes, 7 through holes, 8
Connecting plate, 9 rollers, 10 spring catch, 11 threaded posts, 12 springs, 13 nuts, 14 torsion springs, 15 embedded blocks, 16 gag lever posts.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-5 are referred to, the utility model provides a kind of technical scheme：A kind of student mathematics for being used to demonstrate ellipse are used
Tool, including demonstration equipment 1,1 " U "-shaped shape of demonstration equipment, its lower end are provided with roller 9, and roller 9 is provided with four, and respectively
At the lower end corner of demonstration equipment 1, be provided with pull baffles 2 between the upper and lower ends of demonstration equipment 1, pull baffles 2 it is upper
It is provided with sliding block on the side of lower both ends, and relative on the upper and lower ends inwall of demonstration equipment 1 is provided with chute, pull baffles 2
It is slidably connected with demonstration equipment 1, longitudinal chute 3, horizontal concrete chute 6 and insertion is provided with the leading exterior surface of pull baffles 2
Groove 4, longitudinal chute 3 is in same plane with horizontal concrete chute 6, intersected at both middle-ends, and the upper end space of planes of pull baffles 2
Connecting plate 8 is provided with, embedded groove 4 is provided with 48, and its height is less than the height of pull baffles 2, and the inwall of embedded groove 4
On be provided with four chutes, embedded block 15 is slidably connected through through hole 7 with embedded groove 4.
Connecting plate 8 is in oval ring-type, fixed block 5 is respectively arranged with its upper end corner, and set between each two fixed block 5
Through hole 7 is equipped with, should slide and connect with longitudinal threaded post 11 through longitudinal chute 3 positioned at the fixed block 5 of the upper and lower ends of connecting plate 8
Connect, the fixed block 5 positioned at the left and right ends of connecting plate 8 is slidably connected through horizontal concrete chute 6 and the threaded post 11 of transverse direction, connecting plate 8
It is formed by connecting for five projections, round bar is provided between each two projection, two torsion springs 14, and torsion spring 14 is socketed with the round bar
Both ends torque arm is respectively arranged inside projection, elastic connection between each two projection, and torsion spring 14 carries out oval structure in connecting plate 8
During regulation, the projection of its both sides can be combined, connecting plate 8 is reached the arc structure of holding.
Longitudinal adjustment apparatus and lateral adjustment device are provided with the rear end face of pull baffles 2, the adjusting means includes
There are threaded post 11, spring 12, nut 13 and gag lever post 16, and threaded post 11 is symmetrical arranged based on nut 13, gag lever post 16 is set
It is placed in inside spring 12, spring 12 is internally provided with ball, spring 12 and gag lever post 16 with the upper and lower ends contact surface of gag lever post 16
Connection is rolled, and threaded post 11 is threadedly coupled with nut 13, the screw thread travel of the nut 13 is equal to longitudinal chute 3 and laterally slided
The length of groove 6.
Operation principle：Because the lower end of demonstration equipment 1 sets four rolling 9, and set on the upper and lower ends inwall of demonstration equipment 1
Chute is put, sliding block is set on the upper and lower ends side of pull baffles 2, pull baffles 2 are slidably connected with demonstration equipment 1, make demonstration
The not only conveniently moving, and assembling simply, when being attached the regulation of plate 8, due to the front end appearance of pull baffles 2 of apparatus 1
It is provided with longitudinal chute 3, horizontal concrete chute 6 and embedded groove 4 on face, four fixed blocks 5 on connecting plate 8 run through pull baffles 2
It is slidably connected with threaded post 11, embedded block 15 is slidably connected through through hole 7 with embedded groove 4, and gag lever post 16 is arranged at spring
Inside 12, spring 12 is rolled with gag lever post 16 and connected, and connecting plate 8 is formed by connecting for multiple projections, is set between each two projection
Round bar is equipped with, is socketed with two torsion springs 14 on round bar, elastic connection between each two projection, passes through adjusting nut 13, connecting plate 8
The purpose that elastic connecting reaches flexible is proceeded by, reaches oval big minor adjustment.
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 a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of student mathematics apparatus for being used to demonstrate ellipse, including demonstration equipment (1), it is characterised in that：The demonstration is used
Has (1) " U "-shaped shape, its lower end is provided with roller (9), and roller (9) is provided with four, and is located at respectively under demonstration equipment (1)
Hold at corner, pull baffles (2), the upper and lower ends of pull baffles (2) are provided between the upper and lower ends of the demonstration equipment (1)
Be provided with sliding block on side, and it is relative on the upper and lower ends inwall of demonstration equipment (1) be provided with chute, pull baffles (2) with
Demonstration equipment (1) is slidably connected, and longitudinal chute (3), horizontal concrete chute are provided with the leading exterior surface of the pull baffles (2)
(6) and embedded groove (4), longitudinal chute (3) is in same plane with horizontal concrete chute (6), is intersected at both middle-ends, and pull
The upper end space of planes of baffle plate (2) is provided with connecting plate (8), and the connecting plate (8) is in oval ring-type, is set respectively at its upper end corner
Fixed block (5) is equipped with, and through hole (7) is provided between each two fixed block (5), should consolidating positioned at connecting plate (8) upper and lower ends
Determine block (5) to be slidably connected through longitudinal chute (3) and the threaded post (11) of longitudinal direction, the fixation positioned at connecting plate (8) left and right ends
Block (5) is slidably connected through horizontal concrete chute (6) and the threaded post (11) of transverse direction, is set on the rear end face of the pull baffles (2)
Have longitudinal adjustment apparatus and lateral adjustment device, the adjusting means include threaded post (11), spring (12), nut (13) with
And gag lever post (16), and threaded post (11) is symmetrical arranged based on nut (13).
A kind of 2. student mathematics apparatus for being used to demonstrate ellipse according to claim 1, it is characterised in that：The insertion
Groove (4) is provided with multiple, and its height is less than the height of pull baffles (2), and is provided with multiple cunnings on the inwall of embedded groove (4)
Groove, embedded block (15) are slidably connected through through hole (7) with embedded groove (4).
A kind of 3. student mathematics apparatus for being used to demonstrate ellipse according to claim 1, it is characterised in that：It is described spacing
Bar (16) is arranged at spring (12) inside, and spring (12) is internally provided with ball, bullet with gag lever post (16) upper and lower ends contact surface
Spring (12) is rolled with gag lever post (16) and connected, and threaded post (11) is threadedly coupled with nut (13), the screw thread row of the nut (13)
Journey is equal to longitudinal chute (3) and the length of horizontal concrete chute (6).
A kind of 4. student mathematics apparatus for being used to demonstrate ellipse according to claim 1, it is characterised in that：The connection
Plate (8) is that multiple projections are formed by connecting, and is provided with round bar between each two projection, two torsion springs (14) are socketed with the round bar,
And torsion spring (14) both ends torque arm is respectively arranged inside projection, elastic connection between each two projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720734244.1U CN207115812U (en) | 2017-06-22 | 2017-06-22 | A kind of student mathematics apparatus for being used to demonstrate ellipse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720734244.1U CN207115812U (en) | 2017-06-22 | 2017-06-22 | A kind of student mathematics apparatus for being used to demonstrate ellipse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207115812U true CN207115812U (en) | 2018-03-16 |
Family
ID=61587853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720734244.1U Expired - Fee Related CN207115812U (en) | 2017-06-22 | 2017-06-22 | A kind of student mathematics apparatus for being used to demonstrate ellipse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207115812U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109147497A (en) * | 2018-09-21 | 2019-01-04 | 安徽理工大学 | A kind of higher mathematics curved surface demonstration teaching aid and its control circuit |
-
2017
- 2017-06-22 CN CN201720734244.1U patent/CN207115812U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109147497A (en) * | 2018-09-21 | 2019-01-04 | 安徽理工大学 | A kind of higher mathematics curved surface demonstration teaching aid and its control circuit |
| CN109147497B (en) * | 2018-09-21 | 2020-07-14 | 安徽理工大学 | Higher mathematics curved surface demonstration teaching aid and control circuit thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180316 Termination date: 20190622 |