CN106114013A - The Geometric figure drawing compasses that a kind of students in mathematics teaching is special - Google Patents
The Geometric figure drawing compasses that a kind of students in mathematics teaching is special Download PDFInfo
- Publication number
- CN106114013A CN106114013A CN201610792120.9A CN201610792120A CN106114013A CN 106114013 A CN106114013 A CN 106114013A CN 201610792120 A CN201610792120 A CN 201610792120A CN 106114013 A CN106114013 A CN 106114013A
- Authority
- CN
- China
- Prior art keywords
- bearing pin
- bull stick
- fixed pole
- plate
- connecting plate
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L9/00—Circular curve-drawing or like instruments
- B43L9/02—Compasses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L9/00—Circular curve-drawing or like instruments
- B43L9/16—Features common to compasses, dividers, and callipers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L9/00—Circular curve-drawing or like instruments
- B43L9/16—Features common to compasses, dividers, and callipers
- B43L9/24—Means for mounting points or writing appliances on legs
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
nullThe invention discloses the Geometric figure drawing compasses that a kind of students in mathematics teaching is special，Including bull stick、Fixed pole and fixing seat，The upper end of described bull stick and fixed pole is all connected with fixing seat by the first bearing pin，The middle part of bull stick and fixed pole is provided with location-plate，The middle part of bull stick is provided with the 3rd bearing pin，The front end of the 3rd bearing pin passes the lower end of the chute in the middle part of location-plate and the first connecting plate and is rotationally connected，The left end of location-plate is connected with the middle part of fixed pole by the 5th bearing pin，The left upper part of location-plate is connected with the lower end of the second connecting plate，Fix with the left end of guide rod on the right side of the upper end of the second connecting plate and be connected，The right-hand member of guide rod is through the top of the first connecting plate，This device measures function with yardstick，Distance between bull stick and fixed pole is easy to adjust，And between bull stick and fixed pole, it is provided with fixing device，During mapping, the distance between bull stick and fixed pole will not change，Propelling pencil can be realized by angular adjustment vertical with paper simultaneously，Improve the accuracy of mapping.
Description
Technical field
The present invention relates to drawing tool technical field, the Geometric figure drawing circle that a kind of students in mathematics teaching is special
Rule.
Background technology
Compasses, a well-known drawing tool, also it is the study article of student's indispensability, no matter is pupil, or
University students, or the people worked, may use compasses.But existing compasses do not have yardstick to measure merit mostly
Can need with rule with the use of, there is no fixing device between bull stick and fixed pole, distance between bull stick and fixed pole during mapping
It may happen that change, produce constructional error, propelling pencil can not be realized during the most existing compasses construction vertical with paper, can make
Become mapping inaccurate.
Summary of the invention
The technical problem to be solved in the present invention is to overcome existing defect, it is provided that special several of a kind of students in mathematics teaching
What drawing compass, measures function with yardstick, and the distance between bull stick and fixed pole is easy to adjust, and is provided with between bull stick and fixed pole
Fixing device, during mapping, the distance between bull stick and fixed pole will not change, and reduces constructional error, simultaneously permissible by angular adjustment
Realize propelling pencil vertical with paper, improve the accuracy of mapping, can effectively solve the problem in background technology.
For achieving the above object, the present invention provides following technical scheme: the special geometry of a kind of students in mathematics teaching is painted
Figure compasses, including bull stick, fixed pole and fixing seat, the upper end of described bull stick and fixed pole is all connected with fixing seat by the first bearing pin,
The middle part of bull stick and fixed pole is provided with location-plate, and the middle part of bull stick is provided with the 3rd bearing pin, and the front end of the 3rd bearing pin passes in location-plate
The chute in portion and the lower end of the first connecting plate are rotationally connected, and the left end of location-plate is connected with the middle part of fixed pole by the 5th bearing pin, fixed
The position left upper part of plate is connected with the lower end of the second connecting plate, fixes with the left end of guide rod and is connected, lead on the right side of the upper end of the second connecting plate
The right-hand member of bar, through the top of the first connecting plate, is provided with spring between the first connecting plate and the second connecting plate, spring wrap is outside guide rod
Enclosing, the right side of the first connecting plate is provided with adjusting knob, and the lower end of described bull stick is connected with propelling pencil by the second bearing pin, fixed pole
Lower end is connected with fixed block by the 4th bearing pin, and the bottom of fixed block is provided with thimble.
As a preferred technical solution of the present invention, described adjusting knob is connected with guide rod by screw thread.
As a preferred technical solution of the present invention, described second bearing pin, the 3rd bearing pin, the 4th bearing pin and the 5th pin
The front end of axle is equipped with locking knob.
As a preferred technical solution of the present invention, the top of described fixing seat is provided with turning handle, and turning handle periphery is provided with anti-
Slip layer.
As a preferred technical solution of the present invention, the forward upper of described location-plate is provided with rule.
Compared with prior art, the invention has the beneficial effects as follows: the Geometric figure drawing compasses that this students in mathematics teaching is special
Measuring function with yardstick, the distance between bull stick and fixed pole is easy to adjust, and is provided with fixing device between bull stick and fixed pole, makees
During figure, the distance between bull stick and fixed pole will not change, and reduces constructional error, can realize automatic lead by angular adjustment simultaneously
Pen is vertical with paper, improves the accuracy of mapping.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
In figure: 1 bull stick, 2 fixed poles, 3 fix seat, 4 first bearing pins, 5 springs, 6 adjusting knobs, 7 first connecting plates, 8 rules,
9 propelling pencils, 10 second bearing pins, 11 the 3rd bearing pins, 12 chutes, 13 locking knobs, 14 fixed blocks, 15 thimbles, 16 the 4th bearing pins,
17 location-plates, 18 the 5th bearing pins, 19 second connecting plates, 20 guide rods.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Referring to Fig. 1, the present invention provides a kind of technical scheme: the Geometric figure drawing circle that a kind of students in mathematics teaching is special
Rule, including bull stick 1, fixed pole 2 and fixing seat 3, the upper end of bull stick 1 and fixed pole 2 is all connected with fixing seat 3 by the first bearing pin 4, Gu
The top of reservation 3 is provided with turning handle, and turning handle periphery is provided with skid resistant course, and the middle part of bull stick 1 and fixed pole 2 is provided with location-plate 17, bull stick 1
Middle part is provided with the 3rd bearing pin 11, and the front end of the 3rd bearing pin 11 passes the chute 12 in the middle part of location-plate 17 and the lower end of the first connecting plate 7
Being rotationally connected, can slide in chute 12 in the front end of the 3rd bearing pin 11, the forward upper of location-plate 17 is provided with rule 8, logical
Scaleover chi 8 can measure the distance between the 3rd bearing pin 11 and the 5th bearing pin 18, and the left end of location-plate 17 passes through the 5th bearing pin
18 are connected with the middle part of fixed pole 2, and the left upper part of location-plate 17 is connected with the lower end of the second connecting plate 19, the upper end of the second connecting plate 19
Right side is fixing with the left end of guide rod 20 to be connected, and the right-hand member of guide rod 20 is through the top of the first connecting plate 7, and the first connecting plate 7 and second connects
Being provided with spring 5 between plate 19, spring 5 is wrapped in the periphery of guide rod 20, and the right side of the first connecting plate 7 is provided with adjusting knob 6, regulation rotation
Button 6 is connected with guide rod 20 by screw thread, can regulate the distance between bull stick 1 and fixed pole 2, bull stick 1 by rotating adjusting knob 6
Lower end be connected with propelling pencil 9 by the second bearing pin 10, the lower end of fixed pole 2 is passed through the 4th bearing pin 16 and is connected with fixed block 14,
The bottom of fixed block 14 is provided with thimble 15, before the second bearing pin the 10, the 3rd bearing pin the 11, the 4th bearing pin 16 and the 5th bearing pin 18
End is equipped with locking knob 13, it is to avoid the change of the spacing of bull stick 1 and fixed pole 2, and the 3rd bearing pin 11 and the 5th bearing pin 18 are respectively
Being arranged on bull stick 1 and the midpoint of fixed pole 2, the distance between the 3rd bearing pin 11 and the 5th bearing pin 18 is propelling pencil 9 and thimble 15
The half of distance.
In use: the half that distance is radius of circle to be drawn between the 3rd bearing pin 11 and the 5th bearing pin 18, by rotating
Adjusting knob 6 regulates the distance between propelling pencil 9 and thimble 15, distance is radius of circle that now rule 8 is measured
Half, regulate and apart from the rear locking knob 13 by the 3rd bearing pin 11 front end, the 3rd bearing pin 11 and location-plate 17 are locked.
The present invention measures function with yardstick, and the distance between bull stick 1 and fixed pole 2 is easy to adjust, and bull stick 1 and fixed pole 2
Between be provided with fixing device, during mapping, the distance between bull stick 1 and fixed pole 2 will not change, reduce constructional error, pass through angle simultaneously
It is vertical with paper that degree regulation can realize propelling pencil 9, improves the accuracy of mapping.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and these embodiments can be carried out multiple change without departing from the principles and spirit of the present invention, revise, replace
And modification, the scope of the present invention be defined by the appended.
Claims (5)
1. the Geometric figure drawing compasses that students in mathematics teaching is special, including bull stick (1), fixed pole (2) and fixing seat (3), its
Be characterised by: the upper end of described bull stick (1) and fixed pole (2) is all connected with fixing seat (3) by the first bearing pin (4), bull stick (1) and
The middle part of fixed pole (2) is provided with location-plate (17), and the middle part of bull stick (1) is provided with the 3rd bearing pin (11), the front end of the 3rd bearing pin (11)
Being rotationally connected through the chute (12) at location-plate (17) middle part and the lower end of the first connecting plate (7), the left end of location-plate (17) passes through
5th bearing pin (18) is connected with the middle part of fixed pole (2), and the left upper part of location-plate (17) is connected with the lower end of the second connecting plate (19),
Fixing with the left end of guide rod (20) on the right side of the upper end of the second connecting plate (19) and be connected, the right-hand member of guide rod (20) passes the first connecting plate (7)
Top, be provided with spring (5) between the first connecting plate (7) and the second connecting plate (19), spring (5) is wrapped in the periphery of guide rod (20),
The right side of the first connecting plate (7) is provided with adjusting knob (6), and the second bearing pin (10) and propelling pencil are passed through in the lower end of described bull stick (1)
(9) connecting, the lower end of fixed pole (2) is connected with fixed block (14) by the 4th bearing pin (16), and the bottom of fixed block (14) is provided with
Thimble (15).
The Geometric figure drawing compasses that a kind of students in mathematics teaching the most according to claim 1 is special, it is characterised in that: described
Adjusting knob (6) is connected with guide rod (20) by screw thread.
The Geometric figure drawing compasses that a kind of students in mathematics teaching the most according to claim 1 is special, it is characterised in that: described
The front end of the second bearing pin (10), the 3rd bearing pin (11), the 4th bearing pin (16) and the 5th bearing pin (18) is equipped with locking knob
(13)。
The Geometric figure drawing compasses that a kind of students in mathematics teaching the most according to claim 1 is special, it is characterised in that: described
The top of fixing seat (3) is provided with turning handle, and turning handle periphery is provided with skid resistant course.
The Geometric figure drawing compasses that a kind of students in mathematics teaching the most according to claim 1 is special, it is characterised in that: described
The forward upper of location-plate (17) is provided with rule (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610792120.9A CN106114013A (en) | 2016-08-31 | 2016-08-31 | The Geometric figure drawing compasses that a kind of students in mathematics teaching is special |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610792120.9A CN106114013A (en) | 2016-08-31 | 2016-08-31 | The Geometric figure drawing compasses that a kind of students in mathematics teaching is special |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106114013A true CN106114013A (en) | 2016-11-16 |
Family
ID=57271676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610792120.9A Pending CN106114013A (en) | 2016-08-31 | 2016-08-31 | The Geometric figure drawing compasses that a kind of students in mathematics teaching is special |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106114013A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532287A (en) * | 2018-12-05 | 2019-03-29 | 梁璐 | Automatic compasses |
| WO2019210438A1 (en) * | 2018-05-01 | 2019-11-07 | Yao Juan | Labor-saving multifunctional compass |
| CN115416418A (en) * | 2022-10-20 | 2022-12-02 | 上海第二工业大学 | Compasses |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2151867Y (en) * | 1993-03-12 | 1994-01-05 | 朱月兴 | Campass with rule |
| DE20315256U1 (en) * | 2003-10-02 | 2003-12-24 | Hornung, Kersten | Compasses for drawing circles and ellipses has a geared drive from the fixed point via an adjustable cross shaft and a gearing to the drawing point |
| CN201077283Y (en) * | 2007-07-13 | 2008-06-25 | 李静怡 | Compasses with staff gauge |
| CN201703123U (en) * | 2010-06-18 | 2011-01-12 | 者宸旭 | Compass with ruler |
| CN201777043U (en) * | 2010-07-29 | 2011-03-30 | 胡守华 | Combined type compasses used for mathematical teaching |
| CN102463800A (en) * | 2010-11-15 | 2012-05-23 | 官明阳 | Compass |
| CN202541112U (en) * | 2012-04-07 | 2012-11-21 | 德州市第二中学 | Compasses |
| CN103121351A (en) * | 2011-11-20 | 2013-05-29 | 蔡梦晗 | Multi-functional compasses |
| CN203920138U (en) * | 2014-06-23 | 2014-11-05 | 孙红 | Can demonstrate the compasses of picture radius of circle |
| CN204095362U (en) * | 2014-09-26 | 2015-01-14 | 黄河科技学院 | Combined compasses |
| CN204472301U (en) * | 2014-12-30 | 2015-07-15 | 邓婕妤 | Be with graduated compasses |
| CN205238952U (en) * | 2016-01-04 | 2016-05-18 | 黑河学院 | Compass for teaching |
-
2016
- 2016-08-31 CN CN201610792120.9A patent/CN106114013A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2151867Y (en) * | 1993-03-12 | 1994-01-05 | 朱月兴 | Campass with rule |
| DE20315256U1 (en) * | 2003-10-02 | 2003-12-24 | Hornung, Kersten | Compasses for drawing circles and ellipses has a geared drive from the fixed point via an adjustable cross shaft and a gearing to the drawing point |
| CN201077283Y (en) * | 2007-07-13 | 2008-06-25 | 李静怡 | Compasses with staff gauge |
| CN201703123U (en) * | 2010-06-18 | 2011-01-12 | 者宸旭 | Compass with ruler |
| CN201777043U (en) * | 2010-07-29 | 2011-03-30 | 胡守华 | Combined type compasses used for mathematical teaching |
| CN102463800A (en) * | 2010-11-15 | 2012-05-23 | 官明阳 | Compass |
| CN103121351A (en) * | 2011-11-20 | 2013-05-29 | 蔡梦晗 | Multi-functional compasses |
| CN202541112U (en) * | 2012-04-07 | 2012-11-21 | 德州市第二中学 | Compasses |
| CN203920138U (en) * | 2014-06-23 | 2014-11-05 | 孙红 | Can demonstrate the compasses of picture radius of circle |
| CN204095362U (en) * | 2014-09-26 | 2015-01-14 | 黄河科技学院 | Combined compasses |
| CN204472301U (en) * | 2014-12-30 | 2015-07-15 | 邓婕妤 | Be with graduated compasses |
| CN205238952U (en) * | 2016-01-04 | 2016-05-18 | 黑河学院 | Compass for teaching |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019210438A1 (en) * | 2018-05-01 | 2019-11-07 | Yao Juan | Labor-saving multifunctional compass |
| CN109532287A (en) * | 2018-12-05 | 2019-03-29 | 梁璐 | Automatic compasses |
| CN115416418A (en) * | 2022-10-20 | 2022-12-02 | 上海第二工业大学 | Compasses |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161116 |