CN205387015U - Drawing circular arc equipment for mathematical education - Google Patents
Drawing circular arc equipment for mathematical education Download PDFInfo
- Publication number
- CN205387015U CN205387015U CN201620135672.8U CN201620135672U CN205387015U CN 205387015 U CN205387015 U CN 205387015U CN 201620135672 U CN201620135672 U CN 201620135672U CN 205387015 U CN205387015 U CN 205387015U
- Authority
- CN
- China
- Prior art keywords
- mounting box
- motor mounting
- expansion link
- circular arc
- blackboard
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model provides a drawing circular arc equipment for mathematical education, including motor mounting box, sucking disc base, swivelling joint axle, first telescopic link, second telescopic link, connecting bushing, drawing pole and chalk clip, motor mounting box internal motor, motor mounting box set up on sucking disc base, and the motor mounting box passes through sucking disc base and adsorbs on the blackboard, the one end of swivelling joint axle and the output shaft coaxial coupling of motor, the swivelling joint axle is perpendicular with the blackboard, the one end of first telescopic link is connected with the swivelling joint axle is perpendicular, the one end of second telescopic link and the other end coaxial coupling of first telescopic link, connecting bushing overlaps the other end at the second telescopic link, and the one end and the connecting bushing of drawing pole are connected, and the drawing pole is perpendicular with the blackboard, and chalk clip connects the other end at the drawing pole, and the centre gripping chalk. The utility model discloses the pitch arc of drawing standard that can be quick, and corresponding radius, the angularly adjustable of pitch arc, convenient to use.
Description
Technical field
This utility model relates to a kind of mathematical education equipment, particularly relates to a kind of mathematical education picture circular arc equipment.
Background technology
Mathematics is a basic subject, mathematics includes algebraically, several how multiple classifications, in the several teaching of mathematics, the drafting of the camber line such as sector, arc can be related to, at present, teacher is free-hand or utilizes the instruments such as compasses to draw camber line, and the curvature of freehand is nonstandard, and the inconvenience that the instruments such as compasses use.
Utility model content
The defect of prior art and various weak point in view of the above, the technical problems to be solved in the utility model is in that to provide a kind of mathematical education picture circular arc equipment, can be used for the drafting of camber line, it is simple to the teaching of mathematics.
For achieving the above object, this utility model provides a kind of mathematical education picture circular arc equipment, including motor mounting box, sucker base, the axle that is rotatably connected, the first expansion link, the second expansion link, connecting bushing, drawing bar and chalk clamp；Described motor mounting box built-in motor, described motor mounting box is arranged on described sucker base, and described motor mounting box is adsorbed on blackboard by described sucker base；One end of the described axle that is rotatably connected is coaxially connected with the output shaft of described motor, and the described axle that is rotatably connected is vertical with blackboard；One end of the first described expansion link is vertical with the described axle that is rotatably connected to be connected, and one end of the second described expansion link is coaxially connected with the other end of the first described expansion link；Described connecting bushing is enclosed within the other end of the second described expansion link, and one end of described drawing bar is connected with described connecting bushing, and described drawing bar is vertical with blackboard, and described chalk clamp is connected to the other end of described drawing bar, and clamps chalk.
Above-mentioned mathematical education picture circular arc equipment, wherein, the first described expansion link and the second expansion link are provided with graduation mark.
Above-mentioned mathematical education picture circular arc equipment, wherein, described motor mounting box is interval with multiple motor radiating hole.
Above-mentioned mathematical education picture circular arc equipment, wherein, the two side ends of described motor mounting box is the globoidal structure caved inward.
The mathematical education picture circular arc equipment that this utility model relates to has the advantages that
This utility model can the camber line of quick drawing standard, and radius corresponding to camber line, adjustable angle, easy to use.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be practiced according to the content of description, below with preferred embodiment of the present utility model and coordinate accompanying drawing that this patent is described in detail.
Accompanying drawing explanation
Fig. 1 is the front view of this utility model mathematical education picture circular arc equipment.
Element numbers explanation
1 motor mounting box
2 sucker bases
3 are rotatably connected axle
4 first expansion links
5 second expansion links
6 connecting bushings
7 drawing bars
8 chalk clamp
9 graduation marks
10 motor radiating holes
11 globoidal structures
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
Referring to shown in accompanying drawing 1, a kind of mathematical education picture circular arc equipment, including motor mounting box 1, sucker base 2, be rotatably connected axle the 3, first expansion link the 4, second expansion link 5, connecting bushing 6, drawing bar 7 and chalk clamp 8；Described motor mounting box 1 built-in motor, described motor mounting box 1 is arranged on described sucker base 2, and described motor mounting box 1 is adsorbed on blackboard by described sucker base 2；One end of the described axle 3 that is rotatably connected is coaxially connected with the output shaft of described motor, and the described axle 3 that is rotatably connected is vertical with blackboard；Axle 3 is vertical is connected for one end of the first described expansion link 4 and described being rotatably connected, and one end of the second described expansion link 5 is coaxially connected with the other end of the first described expansion link 4；Described connecting bushing 6 is enclosed within the other end of the second described expansion link 5, one end of described drawing bar 7 is connected with described connecting bushing 6, described drawing bar 7 is vertical with blackboard, and described chalk clamp 8 is connected to the other end of described drawing bar 7, and clamps chalk.
The first described expansion link 4 and the second expansion link 5 are provided with graduation mark 9, can be used for regulating the radius of camber line.
Described motor mounting box 1 is interval with multiple motor radiating hole 10, can be used for as the motor radiating in motor mounting box 1.
The two side ends of described motor mounting box 1 is the globoidal structure 11 caved inward, it is simple to hold motor mounting box 1.
During use, handheld electrical machinery mounting box 1, and it is adsorbed on blackboard by sucker base 2, need to regulate the length of the second expansion link 5 and the first expansion link 4 according to drawing, chalk being clamped in chalk clamp 8 and props up blackboard surface, starts motor, rotating speed and the anglec of rotation of motor are controlled, the axle 3 that is rotatably connected drives drawing bar 7 to rotate by the second expansion link 5 and the first expansion link 4, completes the drafting of camber line.
In sum, this utility model can the camber line of quick drawing standard, and radius corresponding to camber line, adjustable angle, easy to use.
So, this utility model effectively overcomes various shortcoming of the prior art and has high industrial utilization.
A kind of mathematical education picture circular arc equipment above this utility model embodiment provided is described in detail; for one of ordinary skill in the art; thought according to this utility model embodiment; all will change in specific embodiments and applications; in sum; this specification content should not be construed as restriction of the present utility model, and all any changes made according to this utility model design philosophy are all within protection domain of the present utility model.
Claims (4)
1. a mathematical education picture circular arc equipment, it is characterised in that: include motor mounting box (1), sucker base (2), the axle that is rotatably connected (3), the first expansion link (4), the second expansion link (5), connecting bushing (6), drawing bar (7) and chalk clamp (8)；Described motor mounting box (1) built-in motor, described motor mounting box (1) is arranged on described sucker base (2), and described motor mounting box (1) is adsorbed on blackboard by described sucker base (2)；One end of the described axle that is rotatably connected (3) is coaxially connected with the output shaft of described motor, and the described axle that is rotatably connected (3) is vertical with blackboard；One end of described the first expansion link (4) is vertical with the described axle that is rotatably connected (3) to be connected, and one end of described the second expansion link (5) is coaxially connected with the other end of described the first expansion link (4)；Described connecting bushing (6) is enclosed within the other end of described the second expansion link (5), one end of described drawing bar (7) is connected with described connecting bushing (6), described drawing bar (7) is vertical with blackboard, described chalk clamp (8) is connected to the other end of described drawing bar (7), and clamps chalk.
2. mathematical education picture circular arc equipment according to claim 1, it is characterised in that: described the first expansion link (4) and the second expansion link (5) are provided with graduation mark (9).
3. mathematical education picture circular arc equipment according to claim 1, it is characterised in that: described motor mounting box (1) is interval with multiple motor radiating hole (10).
4. mathematical education picture circular arc equipment according to claim 1, it is characterised in that: the two side ends of described motor mounting box (1) is the globoidal structure (11) caved inward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620135672.8U CN205387015U (en) | 2016-02-23 | 2016-02-23 | Drawing circular arc equipment for mathematical education |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620135672.8U CN205387015U (en) | 2016-02-23 | 2016-02-23 | Drawing circular arc equipment for mathematical education |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205387015U true CN205387015U (en) | 2016-07-20 |
Family
ID=56375561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620135672.8U Expired - Fee Related CN205387015U (en) | 2016-02-23 | 2016-02-23 | Drawing circular arc equipment for mathematical education |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205387015U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105178148A (en) * | 2015-07-30 | 2015-12-23 | 济南汇通联合市政工程有限责任公司 | Fixed-center circle drawing tool |
| CN107346626A (en) * | 2017-08-31 | 2017-11-14 | 中山诺顿科研技术服务有限公司 | A kind of teaching drawing device |
| CN110450566A (en) * | 2019-08-20 | 2019-11-15 | 叶成香 | A kind of math teaching aid facilitating drawing |
-
2016
- 2016-02-23 CN CN201620135672.8U patent/CN205387015U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105178148A (en) * | 2015-07-30 | 2015-12-23 | 济南汇通联合市政工程有限责任公司 | Fixed-center circle drawing tool |
| CN107346626A (en) * | 2017-08-31 | 2017-11-14 | 中山诺顿科研技术服务有限公司 | A kind of teaching drawing device |
| CN110450566A (en) * | 2019-08-20 | 2019-11-15 | 叶成香 | A kind of math teaching aid facilitating drawing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170206 Address after: 330108 Jiangxi province Nanchang Honggutan entrepreneurial road No. 998 Nanchang Institute of science and Technology Department Patentee after: NANCHANG INSTITUTE OF SCIENCE & TECHNOLOGY Address before: 330108 Jiangxi province Nanchang Honggutan entrepreneurial road No. 998 Nanchang Institute of Technology Patentee before: Cui Haijian |
|
| 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: 20160720 Termination date: 20170223 |