CN204278866U - Mathematics several teaching auxiliary circle chi - Google Patents
Mathematics several teaching auxiliary circle chi Download PDFInfo
- Publication number
- CN204278866U CN204278866U CN201420773771.XU CN201420773771U CN204278866U CN 204278866 U CN204278866 U CN 204278866U CN 201420773771 U CN201420773771 U CN 201420773771U CN 204278866 U CN204278866 U CN 204278866U
- Authority
- CN
- China
- Prior art keywords
- plate
- chute
- face
- hole
- center
- 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
Landscapes
- Toys (AREA)
Abstract
The utility model discloses a kind of mathematics several teaching auxiliary circle chi, comprise whirligig and positioner, described whirligig is provided with chute fork plate, rotating cylindrical, thread groove, compression groove, perforation, gland, magnet ring, spring, spring bearer plate, cylinder chalk, dividing plate; Described positioner is provided with and connects square, lower supporting plate, screwed hole, top board, through hole, holding screw, rotating hole, swingle, hand pressure board, limiting plate, ball, swivelling chute, location-plate.The structure of the utility model device is simple, the quick picture circle in teaching process is realized by a straight plate of scale, diameter can be regulated arbitrarily, front end by the restoring force of a spring and magnetic absorption be used for making chalk can realize automatic makeup be charged into, but also can use as ruler, the process of the teaching of great convenience.
Description
Technical field
The utility model relates to a kind of mathematics several teaching auxiliary circle chi, is specifically a kind ofly to have that quick adjustment is drawn, dual purpose tutor auxiliary platform easy and simple to handle circle chi.
Background technology
In mathematical education process, carry out aided education owing to relating to a large amount of graphic plottings, particularly often need to draw circle in set teaching process.
Traditional circle is drawn mode and is generally the distance first determining wooden compasses two-end-point with ruler, drawing, the outstanding connecting rod middle when drawing due to compasses and the hand-held stable center of circle all can affect operation, particularly on vertical blackboard surface, drawing process is marched into the arena and is occurred deviation and waste time.
Utility model content
The object of utility model is the deficiency existed for prior art, provides a kind of mathematics several teaching auxiliary circle chi.
To achieve the above object, the method that the utility model adopts is: a kind of mathematics several teaching auxiliary circle chi, comprise whirligig and positioner, described whirligig is provided with chute fork plate, rotating cylindrical, thread groove, compression groove, perforation, gland, magnet ring, spring, spring bearer plate, cylinder chalk, dividing plate, described positioner is provided with and connects square, lower supporting plate, screwed hole, top board, through hole, holding screw, rotating hole, swingle, hand pressure board, limiting plate, ball, swivelling chute, location-plate, the opening fork pockets end of described chute fork plate is fixedly connected with the outer ring cylinder of rotating cylindrical, upper and lower end face is parallel, described thread groove is positioned at the center, upper surface of rotating cylindrical, described compression groove is positioned at the center of thread groove bottom face, described perforation is positioned at the center of the bottom face of compression groove, be communicated with the lower surface of rotating cylindrical, described gland and thread groove are connected, lower surface is connected with the upper surface contact of spring, described magnet ring is embedded in the outer ring cylinder of rotating cylindrical, be in lower end position, described spring is positioned at compression groove, upper surface contacts with gland bottom, lower surface contacts with the upper surface of spring bearer plate, described spring bearer plate is positioned at compression groove, the end thereof contacts of lower surface and cylinder chalk, described cylinder chalk and perforation are connected, the lower surface of described dividing plate is fixedly connected with the upper surface of gland, symmetrical, the lower surface of described connection square is fixedly connected with the end face center of lower supporting plate, described screwed hole is positioned on the end face of lower supporting plate, be connected with holding screw, symmetrical, the lower surface of described top board is connected with the upper surface contact of chute fork plate, described through hole is positioned on the end face of top board, symmetrical, described holding screw is connected with screwed hole through through hole, described rotating hole is positioned at top board and connects the center of square, be communicated with up and down, coordinate with swingle and be rotatably connected, the two ends of described swingle are fixedly connected with the end face center of limiting plate, described swivelling chute is positioned at the lower surface of hand pressure board and the center, upper surface of location-plate, described limiting plate is positioned at swivelling chute, end face outside is connected with ball, described ball is between limiting plate lower surface and swivelling chute bottom face.
As preferably, described lower supporting plate and the width of top board consistent with the width of chute fork plate.
As preferably, the diameter that described swingle gives prominence to the Distance geometry ball of limiting plate other end is consistent.
Beneficial effect
The structure of the utility model device is simple, the quick picture circle in teaching process is realized by a straight plate of scale, diameter can be regulated arbitrarily, front end by the restoring force of a spring and magnetic absorption be used for making chalk can realize automatic makeup be charged into, but also can use as ruler, the process of the teaching of great convenience.
Accompanying drawing explanation
Fig. 1 the utility model apparatus structure schematic diagram;
Fig. 2 the utility model device plan structure schematic diagram;
Wherein, 11-chute fork plate, 12-rotating cylindrical, 13-thread groove, 14-compression groove, 15-perforation, 16-gland, 17-magnet ring, 18-spring, 19-spring bearer plate, 110-cylinder chalk, 111-dividing plate, 21-connect square, 22-lower supporting plate, 23-screwed hole, 24-top board, 25-through hole, 26-holding screw, 27-rotating hole, 28-swingle, 29-hand pressure board, 210-limiting plate, 211-ball, 212-swivelling chute, 213-location-plate.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, illustrate the utility model further, the present embodiment is implemented under premised on technical solutions of the utility model, should understand these embodiments and only be not used in restriction scope of the present utility model for illustration of the utility model.
Embodiment 1:
As shown in Fig. 1 to Fig. 2, a kind of mathematics several teaching auxiliary circle chi, comprise whirligig and positioner, be provided with chute fork plate 11, rotating cylindrical 12, thread groove 13, compression groove 14, perforation 15, gland 16, magnet ring 17, spring 18, spring bearer plate 19, cylinder chalk 110, dividing plate 111 on the spinning device; Be provided with on the positioning device and connect square 21, lower supporting plate 22, screwed hole 23, top board 24, through hole 25, holding screw 26, rotating hole 27, swingle 28, hand pressure board 29, limiting plate 210, ball 211, swivelling chute 212, location-plate 213.
The opening fork pockets end of chute fork plate 11 is fixedly connected with the outer ring cylinder of rotating cylindrical 12, and upper and lower end face is parallel, and the upper surface of two fork arms of chute fork plate 11 is provided with two row's scales, and zero point, position was consistent with the center of rotating cylindrical 12.
Thread groove 13 is positioned at the center, upper surface of rotating cylindrical 12, and compression groove 14 is positioned at the center of thread groove 13 bottom face, and perforation 15 is positioned at the center of the bottom face of compression groove 14, is communicated with the lower surface of rotating cylindrical 12.
Gland 16 and thread groove 13 are connected, and lower surface is connected with the upper surface contact of spring 18, mainly in order to make the upper end of the spring 18 after installing have a spacing constraint.
Magnet ring 17 is embedded in the outer ring cylinder of rotating cylindrical 12, is in lower end position, and when only use time, the lower end of rotating cylindrical 12 is close to blackboard surface, and the metal at the back side produces suction-operated, forms a downward extruding force.
Spring 18 is positioned at compression groove 14, upper surface contacts with gland 16 bottom, lower surface contacts with the upper surface of spring bearer plate 19, spring bearer plate 19 is positioned at compression groove 14, the end thereof contacts of lower surface and cylinder chalk 110, cylinder chalk 110 and perforation 15 are connected, when cylinder chalk 110 hand time, upper end jack-up spring bearer plate 19, can do one to the overhang of cylinder chalk 110 and regulate automatically.
The lower surface of dividing plate 111 is fixedly connected with the upper surface of gland 16, symmetrical, the rotation of the setting of dividing plate 111 mainly conveniently upper end gland 16.
Connect the lower surface of square 21 to be fixedly connected with the end face center of lower supporting plate 22, be positioned at chute and pitch in the middle of the fork pockets of plate 11, in order to make can not to rock when using, by consistent with the width middle with chute fork plate 11 for the length of side setting connecting square 21.
Screwed hole 23 is positioned on the end face of lower supporting plate 22, be connected with holding screw 26, symmetrical, the lower surface of top board 24 is connected with the upper surface contact of chute fork plate 11, and through hole 25 is positioned on the end face of top board 24, symmetrical, holding screw 26 is connected with screwed hole 23 through through hole 25, after determining graduation position, tighten holding screw 26, make top board 24 and lower supporting plate 22 tightly be pressed in the upper and lower end face of chute fork plate 11.
Rotating hole 27 is positioned at top board 24 and connects the center of square 21, be communicated with up and down, coordinate with swingle 28 and be rotatably connected, the two ends of swingle 28 are fixedly connected with the end face center of limiting plate 210, swivelling chute 212 is positioned at the lower surface of hand pressure board 29 and the center, upper surface of location-plate 213, limiting plate 210 is positioned at swivelling chute 212, end face outside is connected with ball 211, ball 211 is between limiting plate 210 lower surface and swivelling chute 212 bottom face, and the diameter that swingle 28 gives prominence to the Distance geometry ball 211 of limiting plate 210 other end is consistent.
Embodiment 2:
As shown in Fig. 1 to Fig. 2, a kind of mathematics several teaching auxiliary circle chi, comprise whirligig and positioner, be provided with chute fork plate 11, rotating cylindrical 12, thread groove 13, compression groove 14, perforation 15, gland 16, magnet ring 17, spring 18, spring bearer plate 19, cylinder chalk 110, dividing plate 111 on the spinning device; Be provided with on the positioning device and connect square 21, lower supporting plate 22, screwed hole 23, top board 24, through hole 25, holding screw 26, rotating hole 27, swingle 28, hand pressure board 29, limiting plate 210, ball 211, swivelling chute 212, location-plate 213.
The opening fork pockets end of chute fork plate 11 is fixedly connected with the outer ring cylinder of rotating cylindrical 12, and upper and lower end face is parallel, and the upper surface of two fork arms of chute fork plate 11 is provided with two row's scales, and zero point, position was consistent with the center of rotating cylindrical 12.
Chute fork plate 11 is main structural frameworks, straight flange can be able to be used to draw straight line by location two-point drawing fenestra when in use, in the use procedure of reality, in order to make the functional diversities of the utility model device, the other end of chute fork plate again the plectane be rotatably connected can be set when concrete enforcement, the end face of plectane is provided with angle index, the cylinder of plectane is fixedly connected with a straight-bar, can increase an angle measuring function, whole additional device is positioned at the upper surface of chute fork plate 11.
Thread groove 13 is positioned at the center, upper surface of rotating cylindrical 12, and compression groove 14 is positioned at the center of thread groove 13 bottom face, and perforation 15 is positioned at the center of the bottom face of compression groove 14, is communicated with the lower surface of rotating cylindrical 12.
Gland 16 and thread groove 13 are connected, and lower surface is connected with the upper surface contact of spring 18, mainly in order to make the upper end of the spring 18 after installing have a spacing constraint.
Magnet ring 17 is embedded in the outer ring cylinder of rotating cylindrical 12, is in lower end position, and when only use time, the lower end of rotating cylindrical 12 is close to blackboard surface, and the metal at the back side produces suction-operated, forms a downward extruding force.
Spring 18 is positioned at compression groove 14, upper surface contacts with gland 16 bottom, lower surface contacts with the upper surface of spring bearer plate 19, spring bearer plate 19 is positioned at compression groove 14, the end thereof contacts of lower surface and cylinder chalk 110, cylinder chalk 110 and perforation 15 are connected, when cylinder chalk 110 hand time, upper end jack-up spring bearer plate 19, can do one to the overhang of cylinder chalk 110 and regulate automatically.
The lower surface of dividing plate 111 is fixedly connected with the upper surface of gland 16, symmetrical, the rotation of the setting of dividing plate 111 mainly conveniently upper end gland 16.
Connect the lower surface of square 21 to be fixedly connected with the end face center of lower supporting plate 22, be positioned at chute and pitch in the middle of the fork pockets of plate 11, in order to make can not to rock when using, by consistent with the width middle with chute fork plate 11 for the length of side setting connecting square 21.
Screwed hole 23 is positioned on the end face of lower supporting plate 22, be connected with holding screw 26, symmetrical, the lower surface of top board 24 is connected with the upper surface contact of chute fork plate 11, and through hole 25 is positioned on the end face of top board 24, symmetrical, holding screw 26 is connected with screwed hole 23 through through hole 25, after determining graduation position, tighten holding screw 26, make top board 24 and lower supporting plate 22 tightly be pressed in the upper and lower end face of chute fork plate 11.
Rotating hole 27 is positioned at top board 24 and connects the center of square 21, be communicated with up and down, coordinate with swingle 28 and be rotatably connected, the two ends of swingle 28 are fixedly connected with the end face center of limiting plate 210, swivelling chute 212 is positioned at the lower surface of hand pressure board 29 and the center, upper surface of location-plate 213, limiting plate 210 is positioned at swivelling chute 212, end face outside is connected with ball 211, ball 211 is between limiting plate 210 lower surface and swivelling chute 212 bottom face, and the diameter that swingle 28 gives prominence to the Distance geometry ball 211 of limiting plate 210 other end is consistent.
Claims (3)
1. a mathematics several teaching auxiliary circle chi, it is characterized in that: comprise whirligig and positioner, described whirligig is provided with chute fork plate (11), rotating cylindrical (12), thread groove (13), compression groove (14), perforation (15), gland (16), magnet ring (17), spring (18), spring bearer plate (19), cylinder chalk (110), dividing plate (111), described positioner is provided with and connects square (21), lower supporting plate (22), screwed hole (23), top board (24), through hole (25), holding screw (26), rotating hole (27), swingle (28), hand pressure board (29), limiting plate (210), ball (211), swivelling chute (212), location-plate (213), the opening fork pockets end of described chute fork plate (11) is fixedly connected with the outer ring cylinder of rotating cylindrical (12), upper and lower end face is parallel, described thread groove (13) is positioned at the center, upper surface of rotating cylindrical (12), described compression groove (14) is positioned at the center of thread groove (13) bottom face, described perforation (15) is positioned at the center of the bottom face of compression groove (14), be communicated with the lower surface of rotating cylindrical (12), described gland (16) and thread groove (13) are connected, lower surface is connected with the upper surface contact of spring (18), described magnet ring (17) is embedded in the outer ring cylinder of rotating cylindrical (12), be in lower end position, described spring (18) is positioned at compression groove (14), upper surface contacts with gland (16) bottom, lower surface contacts with the upper surface of spring bearer plate (19), described spring bearer plate (19) is positioned at compression groove (14), the end thereof contacts of lower surface and cylinder chalk (110), described cylinder chalk (110) and perforation (15) are connected, the lower surface of described dividing plate (111) is fixedly connected with the upper surface of gland (16), symmetrical, the lower surface of described connection square (21) is fixedly connected with the end face center of lower supporting plate (22), described screwed hole (23) is positioned on the end face of lower supporting plate (22), be connected with holding screw (26), symmetrical, the lower surface of described top board (24) is connected with the upper surface contact of chute fork plate (11), described through hole (25) is positioned on the end face of top board (24), symmetrical, described holding screw (26) is connected with screwed hole (23) through through hole (25), described rotating hole (27) is positioned at top board (24) and connects the center of square (21), be communicated with up and down, coordinate with swingle (28) and be rotatably connected, the two ends of described swingle (28) are fixedly connected with the end face center of limiting plate (210), described swivelling chute (212) is positioned at the lower surface of hand pressure board (29) and the center, upper surface of location-plate (213), described limiting plate (210) is positioned at swivelling chute (212), end face outside is connected with ball (211), described ball (211) is positioned between limiting plate (210) lower surface and swivelling chute (212) bottom face.
2. a kind of mathematics several teaching auxiliary circle chi according to claim 1, is characterized in that: described lower supporting plate (22) and the width of top board (24) are consistent with the width of chute fork plate (11).
3. a kind of mathematics several teaching auxiliary circle chi according to claim 1, is characterized in that: the diameter of the Distance geometry ball (211) of outstanding limiting plate (210) other end of described swingle (28) is consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420773771.XU CN204278866U (en) | 2014-12-10 | 2014-12-10 | Mathematics several teaching auxiliary circle chi |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420773771.XU CN204278866U (en) | 2014-12-10 | 2014-12-10 | Mathematics several teaching auxiliary circle chi |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204278866U true CN204278866U (en) | 2015-04-22 |
Family
ID=52862058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420773771.XU Expired - Fee Related CN204278866U (en) | 2014-12-10 | 2014-12-10 | Mathematics several teaching auxiliary circle chi |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204278866U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105538967A (en) * | 2016-01-11 | 2016-05-04 | 上海理工大学 | Aided drawing device for disabled people |
| CN107150533A (en) * | 2017-05-17 | 2017-09-12 | 曹祎 | A kind of ordered series of numbers helix drawing instrument |
| CN107784900A (en) * | 2017-11-01 | 2018-03-09 | 王新宇 | A kind of mathematical line rotates change intelligent developing apparatus |
-
2014
- 2014-12-10 CN CN201420773771.XU patent/CN204278866U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105538967A (en) * | 2016-01-11 | 2016-05-04 | 上海理工大学 | Aided drawing device for disabled people |
| CN105538967B (en) * | 2016-01-11 | 2017-05-03 | 上海理工大学 | Aided drawing device for disabled people |
| CN107150533A (en) * | 2017-05-17 | 2017-09-12 | 曹祎 | A kind of ordered series of numbers helix drawing instrument |
| CN107784900A (en) * | 2017-11-01 | 2018-03-09 | 王新宇 | A kind of mathematical line rotates change intelligent developing apparatus |
| CN107784900B (en) * | 2017-11-01 | 2019-09-06 | 郑贝贝 | A kind of mathematical line rotation variation intelligent developing apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204278866U (en) | Mathematics several teaching auxiliary circle chi | |
| CN201415568Y (en) | Multifunctional ruler for teaching | |
| CN203995320U (en) | Compasses | |
| CN200974238Y (en) | Large flange disc rounding tool | |
| CN203063423U (en) | Combined mathematic teaching aid | |
| CN205818751U (en) | A kind of civil engineering drawing template | |
| CN204605311U (en) | Compass for math teaching | |
| CN209441080U (en) | A kind of multifunctional teaching compasses | |
| CN205439699U (en) | Multi -functional religion chi | |
| CN203126280U (en) | Mathematics teaching ruler | |
| CN206733901U (en) | A kind of Novel ruler compasses | |
| CN201703117U (en) | Integrated diagraph | |
| CN206870694U (en) | A kind of Students ' Learning multifunctional ruler | |
| CN204160960U (en) | A kind of compasses | |
| CN205950639U (en) | Cross line stopper closing device | |
| CN205255838U (en) | Metal is compasses chi for blackboard | |
| CN204845272U (en) | Demonstration of triangle -shaped cosine law and graphics primitive | |
| CN204870228U (en) | Parabola rule | |
| CN203110681U (en) | Ruler for elementary school mathematics teaching | |
| CN204240907U (en) | A kind of cubing measuring camshaft shoulder length | |
| CN203496512U (en) | Plotting instrument | |
| CN206297317U (en) | Graphometric square | |
| CN203427497U (en) | Mathematical teaching used multi-functional ruler | |
| CN203832094U (en) | Auxiliary device for pen | |
| CN203298805U (en) | Measurement and control device for building engineering construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20151210 |
|
| EXPY | Termination of patent right or utility model |