CN205970516U - Multifunctional blackboard eraser - Google Patents
Multifunctional blackboard eraser Download PDFInfo
- Publication number
- CN205970516U CN205970516U CN201620434749.1U CN201620434749U CN205970516U CN 205970516 U CN205970516 U CN 205970516U CN 201620434749 U CN201620434749 U CN 201620434749U CN 205970516 U CN205970516 U CN 205970516U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- eraser body
- utility
- model
- multifunctional
- 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
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a multifunctional blackboard eraser, including the blackboard eraser body, blackboard eraser body one side is equipped with one and accomodates the groove, accomodates the inslot and installs folding ruler through the pivot, and the chalk hole is installed to blackboard eraser body opposite side symmetry, still be equipped with on the blackboard sassafras body be used for placing knitting wool put the thing groove. The utility model discloses have multiple functions, it is sharp, circular and oval to be used for the drawing, has made things convenient for the use greatly.
Description
Technical field
This utility model is related to teaching aid field and in particular to a kind of Multifunctional blackboard eraser.
Background technology
Existing blackboard eraser generally only has the function of blackboard wiping, single function.Simultaneously in teaching process, particularly
In mathematical education, generally require to carry substantial amounts of teaching aid, such as ruler, compasses etc. are it has not been convenient to carry.
Utility model content
For solving the above problems, this utility model provides a kind of Multifunctional blackboard eraser, has several functions, can be used to picture
Straight line, circular and oval, greatly facilitate use.
For achieving the above object, the technical scheme that this utility model is taken is：
Multifunctional blackboard eraser, including blackboard eraser body, blackboard eraser body side is provided with an accommodating groove, by turning in accommodating groove
Axle is provided with folding ruler, and blackboard eraser body opposite side is symmetrically installed with chalk hole, and blackboard eraser body is additionally provided with for placing
The article putting groove of knitting wool.
Preferably, described folding ruler side is uniformly provided with scale.
Preferably, described blackboard eraser body is cube structure.
Preferably, described blackboard eraser body is provided with some arc opening grooves, it is easy to hand-held fixation.
This utility model has the advantages that：
There are several functions, can be used to picture straight line, circular and oval, greatly facilitate use.
Brief description
Fig. 1 is the structural representation of this utility model embodiment.
Specific embodiment
In order that the purpose of this utility model and advantage become more apparent, with reference to embodiments this utility model is entered
Row further describes.It should be appreciated that specific embodiment described herein is only in order to explain this utility model, and without
In restriction this utility model.
As shown in figure 1, this utility model embodiment provides a kind of Multifunctional blackboard eraser, including blackboard eraser body 1, blackboard
Wipe body 1 side and be provided with an accommodating groove 2, in accommodating groove 2, folding ruler 4, blackboard eraser body 1 opposite side are provided with by rotating shaft 3
It is symmetrically installed with chalk hole 5, blackboard eraser body 1 is additionally provided with the article putting groove for placing knitting wool 6.
Described folding ruler 4 side is uniformly provided with scale.
Described blackboard eraser body 1 is cube structure.
Described blackboard eraser body 1 is provided with some arc opening grooves, is easy to hand-held fixation.
Wherein, described article putting groove and accommodating groove 2 side are all hinged with dodge gate, the upper top surface of rotating shaft 3 one end and accommodating groove 2
It is rotatably connected, the other end passes through one end of folding ruler 4 to be rotatably connected with the bottom surface of accommodating groove 2, folding ruler 4 and receipts
Receiving top surface on groove 2, bottom surface does not contact.
Originally the operation principle being embodied as is：
Draw straight line, operating procedure is：Open folding rule and get final product picture straight line, folding rule has scale.
Draw circle, operating procedure is：Chalk is snapped in chalk hole, draws dome point, withstand blackboard, rotate blackboard eraser by hand
Draw circle.
Draw oval, operating procedure is：Blackboard eraser is attached on blackboard, knitting wool is connected with two chalk holes, is drawn with chalk
Broad wool line, draw half oval, then blackboard eraser is turned over, to good, then draw half oval, be just combined into an ellipse.
The above is only preferred implementation of the present utility model it is noted that common skill for the art
For art personnel, on the premise of without departing from this utility model principle, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (4)
1. Multifunctional blackboard eraser, including blackboard eraser body (1) it is characterised in that blackboard eraser body (1) side is provided with an accommodating groove
(2), in accommodating groove (2), folding ruler (4) is provided with by rotating shaft (3), blackboard eraser body (1) opposite side is symmetrically installed with chalk
Hole (5), blackboard eraser body (1) is additionally provided with the article putting groove for placing knitting wool (6).
2. Multifunctional blackboard eraser according to claim 1 is it is characterised in that described folding ruler (4) side is uniformly provided with
Scale.
3. Multifunctional blackboard eraser according to claim 1 is it is characterised in that described blackboard eraser body (1) is tied for cube
Structure.
4. Multifunctional blackboard eraser according to claim 1 it is characterised in that described blackboard eraser body (1) be provided with some
Arc opening groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620434749.1U CN205970516U (en) | 2016-05-09 | 2016-05-09 | Multifunctional blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620434749.1U CN205970516U (en) | 2016-05-09 | 2016-05-09 | Multifunctional blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205970516U true CN205970516U (en) | 2017-02-22 |
Family
ID=58019274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620434749.1U Expired - Fee Related CN205970516U (en) | 2016-05-09 | 2016-05-09 | Multifunctional blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205970516U (en) |
-
2016
- 2016-05-09 CN CN201620434749.1U patent/CN205970516U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20180509 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |