CN209580937U - A kind of blackboard with drawing tool - Google Patents
A kind of blackboard with drawing tool Download PDFInfo
- Publication number
- CN209580937U CN209580937U CN201822212129.5U CN201822212129U CN209580937U CN 209580937 U CN209580937 U CN 209580937U CN 201822212129 U CN201822212129 U CN 201822212129U CN 209580937 U CN209580937 U CN 209580937U
- Authority
- CN
- China
- Prior art keywords
- slideway
- ontology
- sliding block
- hole
- 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
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a kind of blackboards, in particular to a kind of blackboard with drawing tool, it include: ontology, the first slideway is provided with above the ontology, the first sliding block is provided in first slideway, what is relatively rotated on first sliding block is provided with first rotating shaft, the second slideway is provided in the first rotating shaft, the second sliding block is provided in second slideway, a first through hole perpendicular to ontology is provided on second sliding block, what is relatively rotated in the first through hole is provided with the second shaft, second shaft is provided with connecting rod close to one end of ontology, the second through-hole is provided on the connecting rod.When needing picture bowlder, the position that can according to need the circle of picture adjusts the position of the second sliding block, while suitable second through-hole of diameter of a circle selection drawn as needed, chalk is put into the second through-hole, rotational handle can draw circle, and structure is simple, easy to use.
Description
Technical field
The utility model relates to a kind of blackboard, in particular to a kind of blackboard with drawing tool belongs to realia neck
Domain.
Background technique
In the teaching process of mathematics, usually have several parts need to use drawing tool on blackboard by teacher's mapping again for
Student explanation, with this come make student with comprehensively recognize figure and learn geometric correlation mathematical knowledge, traditional mathematical education
In the process, the mathematical knowledge that professor student learns geometric correlation is encountered, it is many just to see that teacher needs to carry before entering classroom
Kind map ruler to be used, the consumption of physical strength increased to the teacher to attend class, during mapping at school its mathematics teacher or
Ruler is placed on blackboard panel on one side to be fixed with a hand, is mapped on one side with another hand, but its ruler is in blackboard plate
Face is easily skidded, and one hand presses ruler in blackboard panel, and always in picture, ruler skidding causes to map when general
The interruption of process affects drawing efficrence, has also delayed efficiency of attending class, and wastes the class period, inconvenient for use.More than 200 years
Coming, blackboard is applied to plank with blacking from earliest, the hard objects such as cement surface, to the water mill glass of the nineties,
Color coated steel sheet, composite panel；The development step by step for having witnessed world's educational undertaking, conveys knowledge for the mankind, spreads education, and stands
Distinctions won on the battlefield are descended.
Application No. is 201520064902.1 utility models to disclose a kind of teaching aid, specifically a kind of to be used for mathematics
Teaching mapping blackboard, including blackboard, bracket；Blackboard is fixedly installed in the bracket, upper part, and lower part is equipped with pulley；
It is uniformly arranged sliding rail in the plate face of the blackboard, passes through wing bolt and straight panel, set square, ruler respectively on the sliding rail
One end it is hinged, wherein through-hole is arranged in the other end of the straight panel, the utility model structure is simple, and easy to use, operation is just
Victory, solve teacher's mathematics give lessons in drawing tool can not be made to fix in blackboard drawing and drawing efficrence is caused to reduce, influence to award
The problem of class quality, facilitates teaching mathematical education and maps on blackboard in the process, avoids mathematics teacher and carries many mappings
Tool increases the problem of labor intensity.But device is more complicated, it is inconvenient to use.
Utility model content
The utility model in order to solve the problems, such as it is above-mentioned exist in the prior art, a kind of blackboard with drawing tool is provided,
To solve present technical problem.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
The utility model provides a kind of blackboard with drawing tool, comprising: ontology is provided with the above the ontology
One slideway is provided with the first sliding block in first slideway, and what is relatively rotated on first sliding block is provided with first rotating shaft, institute
It states and is provided with the second slideway in first rotating shaft, the second sliding block is provided in second slideway, is provided on second sliding block
One first through hole perpendicular to ontology, the interior relative rotation of the first through hole are provided with the second shaft, second shaft
One end close to ontology is provided with connecting rod, and the second through-hole is provided on the connecting rod.
Preferably, the first rotating shaft and the second shaft are all perpendicular to ontology, it is ensured that the article connected in shaft exists
Shaft does not change during rotating with the distance between ontology, for guaranteeing that the second slideway and connecting rod are parallel to this always
Body.
Preferably, the elastic slice for fixing chalk is provided in second through-hole, second through-hole includes several,
Several described second through-holes are distributed on connecting rod, and connecting rod can be used to serve as compasses use, be used for picture bowlder, can be according to need
The size of the radius of the circle to be drawn selects suitable second through-hole, and elastic slice is for being fixed on chalk in the second through-hole, user
Just.
Preferably, first slideway, the second slideway and connecting rod are parallel to ontology, and the second slideway and connecting rod can serve as
Ruler uses, and is used for picture straight line, easy to use.
Preferably, second shaft is provided with handle far from one end of ontology, handle with connecting rod be it is relatively-stationary, when
When needing pivot link, can direct rotational handle, be easy to use.
Preferably, the connecting rod is between the second slideway and ontology.
Preferably, the thin of the frictional force for increasing sliding is both provided on the surface of first sliding block and the second sliding block
Film, film increase the frictional force between sliding block and track, prevent the shaking due to itself gravity and user's hand from making two
Sliding block is mobile, influence using.
Preferably, the length of first slideway is identical as the length of ontology, can be with when not needing using drawing tool
First sliding block is slided into the edge of ontology, it is easy to use.
The beneficial effects of the utility model are: the position that can according to need the circle of picture adjusts second when needing picture bowlder
The position of sliding block, while the diameter of a circle drawn as needed selects suitable second through-hole, and chalk is put into the second through-hole, turns
Fixed handle can draw circle, when needing picture straight line, the drafting that connecting rod and the second slideway carry out straight line as ruler can be used, knot
Structure is simple, easy to use；After painting figure, the first sliding block can be slided into the edge of the first slideway, will not influence this blackboard
Use, it is easy to use.
Detailed description of the invention
The above-mentioned aspect and advantage of the utility model will be apparent from the description of the embodiment in conjunction with the following figures
Be readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of the blackboard with drawing tool of the utility model embodiment；
Fig. 2 is the main view of the blackboard with drawing tool of the utility model embodiment；
Fig. 3 is the side view of the blackboard with drawing tool of the utility model embodiment；
Fig. 4 is the structural schematic diagram of the shaft portion of the blackboard with drawing tool of the utility model embodiment；
Fig. 5 is the main view of the shaft portion of the blackboard with drawing tool of the utility model embodiment；
Fig. 6 is the main view of the second through-hole of the blackboard with drawing tool of the utility model embodiment.
Description of symbols:
In Fig. 1-Fig. 6, ontology 1；First slideway 2；First sliding block 3；First rotating shaft 4；Second slideway 5；Connecting rod 6；Second
Sliding block 7；Handle 8；Second through-hole 9；Second shaft 10；Elastic slice 11.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
The utility model provides a kind of blackboard with drawing tool, comprising: ontology 1 is provided with first above ontology 1
Slideway 2 is provided with the first sliding block 3 in first slideway 2, and what is relatively rotated on the first sliding block 3 is provided with first rotating shaft 4, and first turn
It is provided with the second slideway 5 on axis 4, the second sliding block 7 is provided in the second slideway 5, one is provided on the second sliding block 7 perpendicular to this
The first through hole of body 1, the interior relative rotation of first through hole are provided with the second shaft 10, and the second shaft 10 is close to one end of ontology 1
It is provided with connecting rod 6, the second through-hole 9 is provided on connecting rod 6.
First slideway 2 and the second slideway 5 are all aluminium alloy slideways, and there is the through slot of a strip in the centre of the second slideway 5,
Move the second shaft 10 in through slot, ontology 1 is Glass blackboard, and first rotating shaft 4 and the second shaft 10 are two metals
Axis, connecting rod 6 are a plastic bar, are evenly equipped with many second through-holes 9 on plastic bar, and the elastic slice 11 in the second through-hole 9 is sheet rubber,
The both ends of elastic slice 11 are all connected on the inner wall of the second through-hole 9, are had two panels elastic slice 11 in each second through-hole 9, are put for tying tight
Enter to the chalk in the second through-hole 9.
First rotating shaft 4 and the second shaft 10 are all perpendicular to ontology 1, it is ensured that the article connected in shaft is rotated in shaft
During do not change with the distance between ontology 1, for guaranteeing that the second slideway 5 and connecting rod 6 are parallel to ontology 1 always.
It is provided with the elastic slice 11 for fixing chalk in second through-hole 9, the second through-hole 9 includes several, described in several
Second through-hole 9 is distributed on connecting rod 6, and connecting rod 6 can be used to serve as compasses use, is used for picture bowlder, be can according to need picture
The size of round radius selects suitable second through-hole 9, and elastic slice 11 is easy to use for chalk to be fixed in the second through-hole 9.
First slideway 2, the second slideway 5 and connecting rod 6 are parallel to ontology 1, and the second slideway 5 and connecting rod 6 can serve as ruler
It uses, is used for picture straight line, it is easy to use.
Second shaft 10 is provided with handle 8 far from one end of ontology 1, handle 8 with connecting rod 6 be it is relatively-stationary, work as needs
When pivot link 6, it can rotational handle 8, handle 8 be directly the plastic strip of a strip, be easy to use.
Connecting rod 6 is between the second slideway 5 and ontology 1.
The film of the frictional force for increasing sliding is both provided on the surface of first sliding block 3 and the second sliding block 7, film is
One layer of rubber membrane, film increase the frictional force between sliding block and track, prevents gravity and user's hand due to itself
Shaking keeps sliding block mobile, influence using.
The length of first slideway 2 is identical as the length of ontology 1, can be sliding first when not needing using drawing tool
Block 3 slides into the edge of ontology 1, easy to use.
When needing picture bowlder, the position for the circle drawn as needed adjusts the first sliding block 3 and the second sliding block 7, makes the second sliding block 7
Positioned at the position in the center of circle of the circle to be drawn, the diameter of a circle then drawn as needed selects suitable second through-hole 9, and chalk is put
Enter in this second through-hole 9, pushes chalk to the direction of blackboard, be pressed in one end of chalk on blackboard, then fix the on the other hand
The work of picture circle can be completed for 8 one weeks in two slideways 5, another hand rotational handle.
When needing picture bowlder, the position that can according to need the circle of picture adjusts the position of the second sliding block 7, while as needed
The diameter of a circle of picture selects suitable second through-hole 9, and chalk is put into the second through-hole 9, and rotational handle 8 can draw circle, when need
When drawing straight line, the drafting that connecting rod 6 and the second slideway 5 carry out straight line as ruler can be used, structure is simple, easy to use；
After painting figure, the first sliding block 3 can be slided into the edge of the first slideway 2, will not influence the use of this blackboard, user
Just.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of blackboard with drawing tool, comprising: ontology, which is characterized in that it is provided with the first slideway above the ontology,
The first sliding block is provided in first slideway, what is relatively rotated on first sliding block is provided with first rotating shaft, and described first
It is provided with the second slideway in shaft, the second sliding block is provided in second slideway, one is provided on second sliding block and is hung down
Directly in second shaft that is provided with relatively rotated in the first through hole of ontology, the first through hole, second shaft is close to this
One end of body is provided with connecting rod, and the second through-hole is provided on the connecting rod.
2. the blackboard according to claim 1 with drawing tool, which is characterized in that the first rotating shaft and the second shaft
All perpendicular to ontology.
3. the blackboard according to claim 1 with drawing tool, which is characterized in that setting is useful in second through-hole
In the elastic slice of fixed chalk, second through-hole includes several, several described second through-holes are distributed on connecting rod.
4. the blackboard according to claim 1 with drawing tool, which is characterized in that first slideway, the second slideway
Ontology is parallel to connecting rod.
5. the blackboard according to claim 1 with drawing tool, which is characterized in that second shaft is far from ontology
One end is provided with handle.
6. the blackboard according to claim 1 with drawing tool, which is characterized in that the connecting rod be located at the second slideway with
Between ontology.
7. the blackboard according to claim 1 with drawing tool, which is characterized in that first sliding block and the second sliding block
Surface on be both provided with for increase sliding frictional force film.
8. the blackboard according to claim 1 with drawing tool, which is characterized in that the length and sheet of first slideway
The length of body is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822212129.5U CN209580937U (en) | 2018-12-26 | 2018-12-26 | A kind of blackboard with drawing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822212129.5U CN209580937U (en) | 2018-12-26 | 2018-12-26 | A kind of blackboard with drawing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209580937U true CN209580937U (en) | 2019-11-05 |
Family
ID=68379336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822212129.5U Expired - Fee Related CN209580937U (en) | 2018-12-26 | 2018-12-26 | A kind of blackboard with drawing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209580937U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112590431A (en) * | 2021-01-06 | 2021-04-02 | 杨玮玮 | Drawing instrument for mathematics teaching |
-
2018
- 2018-12-26 CN CN201822212129.5U patent/CN209580937U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112590431A (en) * | 2021-01-06 | 2021-04-02 | 杨玮玮 | Drawing instrument for mathematics teaching |
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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: 20191105 Termination date: 20201226 |