CN203418900U - Multi-functional ruler for teaching - Google Patents
Multi-functional ruler for teaching Download PDFInfo
- Publication number
- CN203418900U CN203418900U CN201320566707.XU CN201320566707U CN203418900U CN 203418900 U CN203418900 U CN 203418900U CN 201320566707 U CN201320566707 U CN 201320566707U CN 203418900 U CN203418900 U CN 203418900U
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- Prior art keywords
- ruler
- groove
- whirligig
- utility
- teaching
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Abstract
The utility model discloses a multi-functional ruler for teaching, which comprises a first ruler, a second ruler, a third ruler, a fourth ruler and a rotating device, wherein round holes are respectively arranged on the two ends of the first ruler, the second ruler, the third ruler and the fourth ruler, the rotating device is arranged in the round holes, and the first ruler, the second ruler, the third ruler and the fourth ruler are orderly connected end to end through the rotating device to form a triangle structure. The multi-functional ruler for teaching is small in shape and convenient to fold, can be respectively used as a triangular ruler, a straight ruler and a compasses, does not need to often change tools, and has a certain practicability.
Description
Technical field
The utility model relates to Multifunctional ruler technical field, and especially a kind of multifunction teaching is used ruler.
Background technology
It is all function singleness that ruler is used in widely used teaching in the market, along with the development article simple function in epoch will be eliminated by market very soon.We spy releases a kind of multifunction teaching use ruler technology for this reason, and multifunction teaching of the present utility model is used ruler profile small and exquisite, and convenient folding can be used as respectively set square, ruler and compasses and use, and without frequent replacing instrument, has certain practicality.
Utility model content
For the problems referred to above, the utility model aims to provide a kind of multifunction teaching and uses ruler.
For realizing this technical purpose, scheme of the present utility model is: a kind of multifunction teaching is used ruler, comprise ruler first, ruler second, ruler the 3rd, ruler the 4th, whirligig, described ruler first, ruler second, ruler the 3rd and ruler the 4th two ends are respectively equipped with circular hole, whirligig is installed in circular hole, described ruler first, ruler second, ruler the 3rd and ruler four-way over-rotation device join end to end successively, form triangular structure.
As preferably, there are two kinds of connected modes the junction of described ruler first and ruler the 4th, closedly connects or disconnects, and all the other ruler junctions all can not disconnect.
As preferably, described ruler first is provided with groove with ruler the second connection end, and chalk fixing device is installed in groove, and chalk fixing device bottom is provided with whirligig, can realize chalk fixing device and be retracted in groove.
As preferably, described ruler the 3rd is provided with groove with ruler the 4th connection end, and Rubber end is installed in groove, and Rubber end bottom is provided with whirligig, can realize Rubber end and be retracted in groove.
As preferably, described ruler second is equipped with dead slot with ruler the 3rd side, and in dead slot, ruler first and ruler the 4th are installed in rotation respectively.
Multifunction teaching of the present utility model is used ruler profile small and exquisite, convenient folding, can be used as respectively set square, ruler and compasses and uses, and without frequent replacing instrument, has certain practicality.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation during as set square;
Fig. 2 is the utility model structural representation during as compasses;
Fig. 3 is the utility model structural representation during as ruler.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
As Figure 1-3, a kind of multifunction teaching of the utility model embodiment is used ruler, comprise ruler the 1, ruler the 22, ruler the 33, ruler the 44, whirligig 5, described ruler first, ruler second, ruler the 3rd and ruler the 4th two ends are respectively equipped with circular hole, whirligig 5 is installed in circular hole, described ruler the 1, ruler the 22, ruler the 33 and ruler the 44 join end to end successively by whirligig, form triangular structure.
As preferably, there are two kinds of connected modes the junction of described ruler the 1 and ruler the 44, closedly connects or disconnects, and all the other ruler junctions all can not disconnect.
As preferably, described ruler the 1 is provided with groove with ruler the 22 connection end, and chalk fixing device is installed in groove, and chalk fixing device bottom is provided with whirligig, can realize chalk fixing device and be retracted in groove.
As preferably, described ruler the 33 is provided with groove with ruler the 44 connection end, and Rubber end is installed in groove, and Rubber end bottom is provided with whirligig, can realize Rubber end and be retracted in groove.
As preferably, described ruler the 22 is equipped with dead slot with ruler the 33 side, and in dead slot, ruler the 1 and ruler the 44 are installed in rotation respectively.
The above; it is only preferred embodiment of the present utility model; not in order to limit the utility model, any trickle modification that every foundation technical spirit of the present utility model is done above embodiment, be equal to and replace and improve, within all should being included in the protection domain of technical solutions of the utility model.
Claims (4)
1. a multifunction teaching is used ruler, it is characterized in that, comprise ruler first, ruler second, ruler the 3rd, ruler the 4th, whirligig, described ruler first, ruler second, ruler the 3rd and ruler the 4th two ends are respectively equipped with circular hole, whirligig is installed in circular hole, described ruler first, ruler second, ruler the 3rd and ruler four-way over-rotation device join end to end successively, form triangular structure.
2. a kind of multifunction teaching according to claim 1 is used ruler, it is characterized in that: described ruler first is provided with groove with ruler the second connection end, and chalk fixing device is installed in groove, and chalk fixing device bottom is provided with whirligig.
3. a kind of multifunction teaching according to claim 1 is used ruler, it is characterized in that: described ruler the 3rd is provided with groove with ruler the 4th connection end, and Rubber end is installed in groove, and Rubber end bottom is provided with whirligig.
4. a kind of multifunction teaching according to claim 1 is used ruler, it is characterized in that: described ruler second is equipped with dead slot with ruler the 3rd side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320566707.XU CN203418900U (en) | 2013-09-12 | 2013-09-12 | Multi-functional ruler for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320566707.XU CN203418900U (en) | 2013-09-12 | 2013-09-12 | Multi-functional ruler for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203418900U true CN203418900U (en) | 2014-02-05 |
Family
ID=50018002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320566707.XU Expired - Fee Related CN203418900U (en) | 2013-09-12 | 2013-09-12 | Multi-functional ruler for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203418900U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104354503A (en) * | 2014-11-13 | 2015-02-18 | 北京信息科技大学 | Multifunctional drawing ruler |
| KR20160092202A (en) * | 2015-01-27 | 2016-08-04 | 이도현 | Foldable Triangle |
-
2013
- 2013-09-12 CN CN201320566707.XU patent/CN203418900U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104354503A (en) * | 2014-11-13 | 2015-02-18 | 北京信息科技大学 | Multifunctional drawing ruler |
| CN104354503B (en) * | 2014-11-13 | 2016-08-24 | 北京信息科技大学 | A kind of multifunctional drawing ruler |
| KR20160092202A (en) * | 2015-01-27 | 2016-08-04 | 이도현 | Foldable Triangle |
| KR101725389B1 (en) * | 2015-01-27 | 2017-04-11 | 이도현 | Foldable Triangle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140205 Termination date: 20140912 |
|
| EXPY | Termination of patent right or utility model |