CN208277704U - A kind of educational compasses of accurate Drawing radius - Google Patents
A kind of educational compasses of accurate Drawing radius Download PDFInfo
- Publication number
- CN208277704U CN208277704U CN201721143898.3U CN201721143898U CN208277704U CN 208277704 U CN208277704 U CN 208277704U CN 201721143898 U CN201721143898 U CN 201721143898U CN 208277704 U CN208277704 U CN 208277704U
- Authority
- CN
- China
- Prior art keywords
- educational compasses
- compasses
- accurate drawing
- pen cap
- telescopic rod
- 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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- Electrically Operated Instructional Devices (AREA)
Abstract
A kind of educational compasses of accurate Drawing radius, including ontology, operation disk is installed at the top of the ontology, it is equipped in operation disk side, the frictional force of hand and operation disk when increasing operation, position is equipped with adjusting screw between in the body, the ontology lower left corner is connected with gauge bar, the pen cap is connected in the gauge bar other end, chalk is cased with inside the pen cap, the ontology lower right corner is connected with telescopic rod, thread bush is connected in the telescopic rod other end, the other end of the thread bush is equipped with multi-directional ball, the multi-directional ball is additionally attached on sucker, the material of the sucker is made of magnet, and the diameter of sucker is 5 centimetres, sucker is tightly inhaled on blackboard when use, the educational compasses entire body is to be made of plastics, and the length of educational compasses is 30 centimetres；The utility model structure is simple, convenient for manufacture, is easy to teacher's use, is in use not in that compasses slide easily, cause the problem of malfunctioning of drawing.
Description
Technical field
The utility model relates to a kind of educational aids, and in particular to a kind of educational compasses of accurate Drawing radius.
Background technique
Compasses are a kind of tools for construction with ruler and compasses in drawing or mathematics, it can make standard camber line and
Circle, can be improved the efficiency and aesthetic feeling of mapping, teacher's class hour on to student, often may require that and teach knowledge by drawing,
So educational compasses just become the essential tool of class-teaching of teacher, compasses can be greatly improved the mapping rate of teacher, can also make
It is more beautiful to make the figure come out, teacher is more convenient to go to explain, however, the common educational compasses of teacher are all fabricated from iron at present, holds
It easily gets rusty, and heavier-weight, it is not easy to use, in addition, common educational compasses are easy sliding when mapping on blackboard, cause to map
Error, wastes time, and currently without can be with the educational compasses of accurate Drawing radius, so a kind of lighter and handier, and can be with
The educational compasses of accurate Drawing radius are yet-to-be developed to be come out.
Utility model content
In view of the above problems, the utility model provides a kind of educational compasses of accurate Drawing radius, can effectively solve
The problems in background technique.
To achieve the above object, the utility model provides the following technical solutions a kind of plastic educational compasses, including one
Angled inductor is installed at the top of the educational compasses of kind accurate Drawing radius, including ontology, the ontology, in angle inductor
Outer surface is provided with anti-skid chequer, is provided with display screen at the top of the angle inductor, in the body between position be equipped with and adjust spiral shell
Silk, the adjusting screw lower left corner are connected with gauge bar, are connected with the pen cap in the gauge bar other end, are cased with chalk inside the pen cap,
The adjusting screw lower right corner is connected with telescopic rod, and length scale line, the telescopic rod other end connection are carved on telescopic rod
Have thread bush, thread bush surface be provided with fixing screws, the bottom of the thread bush is equipped with universal shaft, the universal shaft and
It is fixedly installed with distance-sensor inside the adjusting screw, is provided with vacuum chuck on the downside of the universal shaft.
Further, the educational compasses entire body is made of plastics ABS.
Further, buffering sponge is provided on the upside of the angle inductor.
Further, the angular range of the angle inductor induction is 0 °~170 o.
Further, the pen cap inner surface is provided with rubber ring.
Further, the outer surface of the fixing screws and pen cap top are provided with screw thread.
Compared with prior art, the utility model has the beneficial effects that a kind of accurate Drawing radius of the utility model
Educational compasses, educational compasses entire body are made of plastics ABS, the environmental protection of material, and it is perishable to solve common iron educational compasses
The problem of erosion, angled inductor, which is arranged, in the top of ontology can mention the separated angle of induction compasses, and universal shaft and adjusting spiral shell
Silk is internal to be fixedly installed with distance-sensor, can incude the length of telescopic rod, solve the problems, such as can not accurate Drawing radius,
And pen cap top is provided with screw thread, the outer surface of the length of adjustable gauge bar, fixing screws is provided with screw thread, can fix spiral shell
Line set, and adjustable length of telescopic bar, expand the range of precise radius.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model distance-sensor structural schematic diagram；
Fig. 3 is the utility model angle sensor structure schematic diagram.
In figure: 1- ontology；2- telescopic rod；3- fixing screws；4- thread bush；5- universal shaft；6- vacuum chuck；7- chalk；
The 8- pen cap；9- gauge bar；10- adjusting screw；11- angle inductor；12- anti-skid chequer；13- length scale line；14- distance perception is answered
Device；15- display screen.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment:
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
It please refers to Fig.1 to Fig.3, the utility model provides a kind of technical solution: a kind of educational compasses of accurate Drawing radius,
Including ontology 1, educational compasses entire body is made of plastics ABS, the environmental protection of material, and it is perishable to solve common iron educational compasses
Angled inductor 11 is installed at the problem of erosion, the top of ontology 1, and buffering sponge is provided on the upside of angle inductor 11, is justified drawing
When, palm holds 11 top of angle inductor, increases the comfort level of operation, and the angular range that angle inductor 11 incudes is
0 °~170 °, the circle of various radiuses can be accurately drawn, 11 outer surface of angle inductor is provided with anti-skid chequer 12, angle induction
It is provided with display screen 15 at the top of device 11, is equipped with adjusting screw 10 at the intermediate position of ontology 1,10 lower left corner of adjusting screw is connected with rule
Bar 9 is connected with the pen cap 8 in 9 other end of gauge bar, and 8 inner surface of the pen cap is provided with rubber ring, can fix chalk 7, and the pen cap 8 pushes up
End is provided with screw thread, the length of adjustable gauge bar 9, is cased with chalk 7 inside the pen cap 8,10 lower right corner of adjusting screw, which is connected with, stretches
Contracting bar 2 is carved with length scale line 13 on telescopic rod, and 2 other end of telescopic rod is connected with thread bush 4, is arranged on 4 surface of thread bush
There are fixing screws 3, the outer surface of fixing screws 3 is provided with screw thread, 4 can be covered with fixed thread, and adjustable telescopic rod 2 is long
Degree, the bottom of thread bush 4 are equipped with universal shaft 5, are fixedly installed with distance-sensor 14 inside universal shaft 5 and adjusting screw 10,
Vacuum chuck 6 is provided on the downside of universal shaft 5.
Working principle of the utility model is: being provided with screw thread by 8 top of the pen cap first when teacher needs to map, adjust
The length of gauge bar 9 is saved, then screw thread is provided with by the outer surface of fixing screws 3, fixed thread set 4 adjusts 2 length of telescopic rod,
Ensure that gauge bar 9 is consistent with 2 length of telescopic rod, is fixedly installed with distance-sensor 4 inside universal shaft 5 and adjusting screw 10, it can be with
Incude the length of telescopic rod 2, vacuum chuck 6 is directed at the position in the center of circle, gauge bar 9 is adjusted to certain angle, angle sense with hand
Answer 11 top display screen 15 of device that can show radius size, by adjusting the length adjustment radius of angle and gauge bar 9 and telescopic rod 2,
Chalk 7 is adjacent to blackboard, then grasps angle inductor 11 and is rotated, so that it may circular arc or circle are made, in this way, educational compasses
It would not be slided easily in mapping, in addition, being also carved with length scale line 13 on telescopic rod 2, need to measure using ruler
When length, so that it may unscrew fixing screws 3, extract thread bush 4 out, so that it may which telescopic rod 2 is measured length as ruler.
The embodiments of the present invention is explained in detail in conjunction with attached drawing above, but the utility model is not limited to be retouched
The embodiment stated.For a person skilled in the art, right in the case where not departing from the utility model principle and spirit
These embodiments carry out a variety of change, modification, replacement and modification, still fall in the protection scope of the utility model.
Claims (6)
1. a kind of educational compasses of accurate Drawing radius, including ontology (1), it is characterised in that: install at the top of the ontology (1)
Angled inductor (11), in angle inductor (11), outer surface is provided with anti-skid chequer (12), the angle inductor (11)
Top is provided with display screen (15), is equipped with adjusting screw (10) at the intermediate position of ontology (1), adjusting screw (10) lower left corner
Gauge bar (9) are connected with, the other end is connected with the pen cap (8) in gauge bar (9), is cased with chalk (7), the tune inside the pen cap (8)
Section screw (10) lower right corner is connected with telescopic rod (2), is carved on telescopic rod length scale line (13), and the telescopic rod (2) is another
One end is connected with thread bush (4), is provided with fixing screws (3) on thread bush (4) surface, the bottom installation of the thread bush (4)
Have universal shaft (5), is fixedly installed with distance-sensor (14) inside the universal shaft (5) and the adjusting screw (10), it is described
Vacuum chuck (6) are provided on the downside of universal shaft (5).
2. a kind of educational compasses of accurate Drawing radius according to claim 1, it is characterised in that: the educational compasses are logical
Body is made of plastics ABS.
3. a kind of educational compasses of accurate Drawing radius according to claim 1, it is characterised in that: the angle inductor
(11) upside is provided with buffering sponge.
4. a kind of educational compasses of accurate Drawing radius according to claim 1, it is characterised in that: the angle inductor
(11) angular range incuded is 0 °~170 o.
5. a kind of educational compasses of accurate Drawing radius according to claim 1, it is characterised in that: in the pen cap (8)
Side surface is provided with rubber ring.
6. a kind of educational compasses of accurate Drawing radius according to claim 1, it is characterised in that: the fixing screws
(3) outer surface and the pen cap (8) top is provided with screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721143898.3U CN208277704U (en) | 2017-09-07 | 2017-09-07 | A kind of educational compasses of accurate Drawing radius |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721143898.3U CN208277704U (en) | 2017-09-07 | 2017-09-07 | A kind of educational compasses of accurate Drawing radius |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208277704U true CN208277704U (en) | 2018-12-25 |
Family
ID=64747208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721143898.3U Expired - Fee Related CN208277704U (en) | 2017-09-07 | 2017-09-07 | A kind of educational compasses of accurate Drawing radius |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208277704U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254086A (en) * | 2019-04-30 | 2019-09-20 | 东营奇好日用品有限公司 | It is a kind of can automatic angulation compasses |
-
2017
- 2017-09-07 CN CN201721143898.3U patent/CN208277704U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254086A (en) * | 2019-04-30 | 2019-09-20 | 东营奇好日用品有限公司 | It is a kind of can automatic angulation compasses |
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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: 20181225 Termination date: 20200907 |