CN202836399U - Protractor with pointer - Google Patents
Protractor with pointer Download PDFInfo
- Publication number
- CN202836399U CN202836399U CN 201220440358 CN201220440358U CN202836399U CN 202836399 U CN202836399 U CN 202836399U CN 201220440358 CN201220440358 CN 201220440358 CN 201220440358 U CN201220440358 U CN 201220440358U CN 202836399 U CN202836399 U CN 202836399U
- Authority
- CN
- China
- Prior art keywords
- pointer
- protractor
- utility
- model
- students
- 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
Landscapes
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model discloses a protractor and especially discloses a protractor with a pointer. The protractor with the pointer is characterized in that a rotary shat is arranged in the central position of a semicircular board; an outer side of the semicircular board is provided with scales; and the bottom end of the pointer is connected with the central position of the semicircular board. The protractor with the pointer has beneficial effects that the protractor with the pointer is small and flexible and is convenient to use. The protractor with the pointer can be used for measuring angles accurately by students, so that convenient is made for study of the students.
Description
Technical field
The utility model relates to a kind of protractor, particularly a kind of protractor with pointer.
Background technology
In daily learning life, students is when the study angle, because the protractor of selling on the present market is of a great variety, material and profile differ, and make students when measuring, and cause bigger error, affect the learning quality of students, make troubles for the study of students.
The utility model content
The utility model provides a kind of simple in structure in order to remedy the defective of prior art, the convenient protractor with pointer that uses.
The utility model is achieved by the following technical solution:
A kind of protractor with pointer is characterized in that: the semi-circular plate centre is provided with rotating shaft, and yardstick is carved with in the outside on the semi-circular plate, and the pointer bottom connects the rotating shaft in semi-circular plate centre.
The beneficial effects of the utility model are: small and exquisite flexible, easy to use, and make students when taking measurement of an angle, more accurate, brought convenience for the study of students.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Accompanying drawing 1 is the structural representation of the protractor of the utility model band pointer
Among the figure, 1 semi-circular plate, 2 rotating shafts, 3 pointers, 4 yardsticks.
Embodiment
Accompanying drawing is a kind of specific embodiment of the present utility model.A kind of protractor with pointer of this utility model is characterized in that: semi-circular plate 1 centre is provided with rotating shaft 2, and yardstick 4 is carved with in the outside on the semi-circular plate 1, and pointer 3 bottoms connect the rotating shaft 2 in semi-circular plate 1 centre.A kind of protractor with pointer of this utility model, on the summit with rotating shaft 2 alignment angle during use, the pointer 3 on the rotating shaft 2, the number of degrees that measure the angle get final product.
Claims (1)
1. protractor with pointer, it is characterized in that: semi-circular plate (1) centre is provided with rotating shaft (2), and yardstick (4) is carved with in the upper outside of semi-circular plate (1), and pointer (3) bottom connects the rotating shaft (2) in semi-circular plate (1) centre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220440358 CN202836399U (en) | 2012-08-31 | 2012-08-31 | Protractor with pointer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220440358 CN202836399U (en) | 2012-08-31 | 2012-08-31 | Protractor with pointer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202836399U true CN202836399U (en) | 2013-03-27 |
Family
ID=47948086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220440358 Expired - Fee Related CN202836399U (en) | 2012-08-31 | 2012-08-31 | Protractor with pointer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202836399U (en) |
-
2012
- 2012-08-31 CN CN 201220440358 patent/CN202836399U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20130831 |