CN209466878U - A kind of mathematical education auxiliary device - Google Patents
A kind of mathematical education auxiliary device Download PDFInfo
- Publication number
- CN209466878U CN209466878U CN201920164951.0U CN201920164951U CN209466878U CN 209466878 U CN209466878 U CN 209466878U CN 201920164951 U CN201920164951 U CN 201920164951U CN 209466878 U CN209466878 U CN 209466878U
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- CN
- China
- Prior art keywords
- stabilizer blade
- angle
- fixed disk
- positioning
- mathematical education
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Abstract
The utility model discloses a kind of mathematical education auxiliary devices, belong to mathematical education field, its key points of the technical solution are that, including compasses body, the compasses body includes stabilizer blade, drawing seat, angle fixed disk, handwheel and angle composition, the stabilizer blade is made up of positioning stabilizer blade and stabilizer blade of painting connection shaft rotation connection, and the positioning stabilizer blade is installed in the inside of the angle fixed disk with the drawing stabilizer blade；By the limit shaft item and positioning rule that install the connection that slides over each other additional in the inside of two stabilizer blades, the angular adjustment during drawing circle between two stabilizer blades can be enhanced, and the distance between make stabilizer blade setting is more stable, the phenomenon that loosening slips is avoided the occurrence of, stability in use is enhanced, the combined use of limit shaft item and positioning rule, further enhancing the stability of limit, long service life, and positioning rule can be also used for the radius and diameter of drawing circle, it is easy to use, it is easy to operate.
Description
Technical field
The utility model relates to mathematical education field, in particular to a kind of mathematical education auxiliary device.
Background technique
Mathematics comes from Greek, is often abbreviated as " math ", is research quantity, structure, variation, space and information etc.
One Men Xueke of concept belongs to one kind of formal science, mathematician and philosopher to the definite range of mathematics in terms of certain angle
There is a series of view with definition, and in development of human history and social life, mathematics also plays irreplaceable role,
It is also to learn and study the essential basic tool of modern science and technology, in ancient Chinese, mathematics is called arithmetic, also known as calculates
It learns, is finally just changed to mathematics, the arithmetic of ancient Chinese is one of six classical arts, and mathematics originates from the production activity of mankind's early stage, Cuba
It has had accumulated certain mathematical knowledge from remote ages than human relations people, and practical problem can be applied, from mathematics itself, he
Mathematical knowledge also only obtained by observation and experience, uncomprehensive conclusion and proof, but also to affirm fully them to mathematics
The contribution made.
In use, there are still some shortcomings for current mathematical education auxiliary device compasses:
1, when in use, teacher needs the multiple friendships of picture simultaneously during drawing round friendship union to current compasses for teaching
Circle will cause visual illusion if the chalk of unified same color is drawn, and be not easy to observation of students, reduce efficiency of teaching
And quality of instruction；
2, existing compasses for teaching in long-time use process, will appear loosening, lead at the link position of two stabilizer blades
It causing drawing bowlder, there is the phenomenon that slipping offset in drawing stabilizer blade, and cause picture circle deviation occur, reduces the stability of graphic plotting,
Reduce service efficiency.
Utility model content
The utility model provides a kind of mathematical education auxiliary device, it is intended to solve existing reduction efficiency of teaching and teaching matter
Amount problem.
The utility model is realized in this way a kind of mathematical education auxiliary device, including compasses body, the compasses body include
Stabilizer blade, drawing seat, angle fixed disk, handwheel and angle composition, the stabilizer blade pass through connection by positioning stabilizer blade and drawing stabilizer blade
Shaft rotation connection composition, the positioning stabilizer blade and the drawing stabilizer blade are installed in the inside of the angle fixed disk, described
Handwheel is located at the top of the angle fixed disk, and is fixedly connected with the angle fixed disk, and it is described fixed that the drawing seat is located at
The bottom end of position stabilizer blade, and be detachably connected with the drawing stabilizer blade, the angle and the drawing stabilizer blade are rotatablely connected, described
The front side top of stabilizer blade is fixedly connected with limit shaft item, and one end of the limit shaft item is connect with positioning stabilizer blade, the other end and institute
Drawing stabilizer blade connection is stated, the front side bottom end of the stabilizer blade slidably connects positioning rule, and the drawing seat includes slide plate, connection spiral shell seat
It is formed with mounting cylinder, the connection spiral shell seat is fixedly mounted on the top of the drawing seat, and the mounting cylinder is located at the drawing seat
Inside, the slide plate is located at the outside of the mounting cylinder, is fixedly connected with the mounting cylinder, and drives the mounting cylinder in institute
It states and is slided up and down in drawing seat.
Preferably, the angle fixed disk includes angle instruction disk and connection sheath body composition, and the angle instruction disk is located at
The inside middle position of the angle fixed disk, and be rotatablely connected with the angle fixed disk, the angle indicates the interior of disk
The pointer mutually fixed with the positioning stabilizer blade and the drawing stabilizer blade is connected in portion's shaft, the connection sheath body is located at the angle
The rear side of fixed disk is spent, and is fixedly connected with the angle fixed disk.
Preferably, the quantity of the limit shaft item is two, is equipped with sliding sawtooth, two institutes on the inside of the limit shaft item
It states and is slidably connected between limit shaft item by the sliding sawtooth.
Preferably, the inside of the positioning rule offers sliding slot, and the front side of the positioning stabilizer blade and the drawing stabilizer blade is equal
It is provided with the slide-bar to match with the sliding slot.
Preferably, it is fixedly connected with pivoted housing on the inside of the bottom end of the stabilizer blade, the apical lateral of the angle is provided with tune
Shaft is saved, the outside for adjusting shaft is engaged with the inside of the pivoted housing.
Preferably, the quantity of the mounting cylinder is three, is fixedly connected to slide plate on the outside of three mounting cylinders, institute
It states and corresponding with the slide plate opens up grooved hole on drawing seat.
Preferably, the angle is silica gel material sucker structure.
Compared with prior art, the utility model has the beneficial effects that
1, this kind of mathematical education auxiliary device is painted in seat by being detachably connected drawing seat in the bottom end of drawing stabilizer blade
The different chalk of various colors can be placed, make teacher draw bowlder, can rotate drawing seat conversion different colours chalk into
Row picture circle is improved the quality of teaching and efficiency of teaching convenient for student to the observation of round friendships union comparison.
2, this kind of mathematical education auxiliary device, by the limit shaft item for installing the connection that slides over each other additional in the inside of two stabilizer blades
And positioning rule, the distance between the angular adjustment during drawing circle between two stabilizer blades can be enhanced, and make stabilizer blade setting more
The phenomenon that stablizing, avoiding the occurrence of loosening slippage, enhancing stability in use, the combined use of limit shaft item and positioning rule, further
Enhancing the stability of limit, long service life, and positioning rule can be also used for the radius and diameter of drawing circle, easy to use,
It is easy to operate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the backsight structural representation in the utility model；
Fig. 3 is the A structural schematic diagram in the utility model；
Fig. 4 is the drawing holder structure schematic diagram in the utility model；
In figure: 1, compasses body；2, stabilizer blade；21, stabilizer blade is positioned；22, drawing stabilizer blade；23, pivoted housing；3, drawing seat；31, sliding
Piece；32, spiral shell seat is connected；33, mounting cylinder；4, positioning rule；41, slide-bar；5, limit shaft item；51, sawtooth is slided；6, angle is fixed
Disk；61, angle indicates disk；62, sheath body is connected；7, handwheel；8, angle；81, shaft is adjusted；9, shaft is connected.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached
Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of utility model.In addition, the meaning of " plurality " is two or more in the description of the present invention, unless separately
There is clearly specific restriction.
Fig. 1-4 is please referred to, the utility model provides a kind of mathematical education auxiliary device technical solution: a kind of mathematical education is auxiliary
Device, including compasses body 1 are helped, compasses body 1 includes that stabilizer blade 2, drawing seat 3, angle fixed disk 6, handwheel 7 and angle 8 form, branch
Foot 2 is made up of positioning stabilizer blade 21 and drawing stabilizer blade 22 the connection rotation connection of shaft 9, and positioning stabilizer blade 21 and drawing stabilizer blade 22 are equal
It is mounted on the inside of angle fixed disk 6, handwheel 7 is located at the top of angle fixed disk 6, and is fixedly connected with angle fixed disk 6, draws
The bottom end that seat 3 is located at positioning stabilizer blade 21 is drawn, and is detachably connected with drawing stabilizer blade 22, angle 8 and the drawing rotation of stabilizer blade 22 connect
It connects, the front side top of stabilizer blade 2 is fixedly connected with limit shaft item 5, and one end of limit shaft item 5 is connect with positioning stabilizer blade 21, the other end
It is connect with drawing stabilizer blade 22, the front side bottom end of stabilizer blade 2 slidably connects positioning rule 4, and drawing seat 3 includes slide plate 31, connection spiral shell seat
32 and mounting cylinder 33 form, connection spiral shell seat 32 be fixedly mounted on drawing seat 3 top, mounting cylinder 33 be located at drawing seat 3 inside,
Slide plate 31 is located at the outside of mounting cylinder 33, is fixedly connected with mounting cylinder 33, and drives mounting cylinder 33 is upper in drawing seat 3 to glide
It is dynamic.
Specifically, angle fixed disk 6 includes that angle instruction disk 61 and connection sheath body 62 form, angle instruction disk 61 is located at angle
The inside middle position of fixed disk 6 is spent, and is rotatablely connected with angle fixed disk 6, is connected in the inside shaft of angle instruction disk 61
It is connected to and positions stabilizer blade 21 and the fixed pointer of 22 phase of stabilizer blade of painting, connect the rear side that sheath body 62 is located at angle fixed disk 6, and with
Angle fixed disk 6 is fixedly connected.
Specifically, the quantity of limit shaft item 5 is two, 5 inside of limit shaft item is equipped with sliding sawtooth 51, two limit shafts
It is slidably connected between item 5 by sliding sawtooth 51；Keep sliding more stable.
Specifically, the inside of positioning rule 4 offers sliding slot, the front side of positioning stabilizer blade 21 and stabilizer blade 22 of painting be provided with
The slide-bar 41 that sliding slot matches；The more convenient stabilization of adjusting for positioning stabilizer blade 21 between stabilizer blade 22 of painting.
Specifically, being fixedly connected with pivoted housing 23 on the inside of the bottom end of stabilizer blade 2, the apical lateral of angle 8 is provided with adjusting and turns
Axis 81, the outside for adjusting shaft 81 are engaged with the inside of pivoted housing 23；For adjusting the angle of angle 8, meet multiple diameter
Round drawing needs.
Specifically, the quantity of mounting cylinder 33 is three, the outside of three mounting cylinders 33 is fixedly connected to slide plate 31, drawing
It is corresponding with slide plate 31 on seat 3 to open up grooved hole；For installing the chalk of different colours, convenient for adjusting replacement and using.
Specifically, angle 8 is silica gel material sucker structure；The sucker structure of silica gel material makes angle 8 on blackboard
Placement it is more stable.
The working principle and process for using of the utility model: compasses body 1 is put into job site, then puts compasses body 1
It to job site, needs to draw bowlder in course teaching process, the chalk of different colours is packed on drawing seat 3, according to drawing
It needing, downslide slide plate 31 firstly appears out from one, and positioning stabilizer blade 21 is close to blackboard, another drawing stabilizer blade 22 is then separated, according to
The angle that shows is adjusted on angle instruction disk 61, and then drawing seat 3 is in contact with blackboard, holds handwheel 7, it is clockwise or
It turns around counterclockwise, draws one and completely justify, after the completion of drawing, two stabilizer blades are rotated back into except beginning angle, chalk is packed up,
In the use process of compasses body 1, the different chalk of various colors can be placed in seat 3 of painting, teacher is made to draw bowlder, it can be with
The chalk that rotation drawing seat 3 converts different colours carries out picture circle, compares convenient for student to the observation of round friendship union, improves teaching
Quality and efficiency of teaching, the combined use of limit shaft item 5 and positioning rule 4, the angle further enhanced between two stabilizer blades are steady
It is qualitative, long service life, and positioning rule 4 can be also used for the radius and diameter of drawing circle, and it is easy to use, it is easy to operate.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (7)
1. a kind of mathematical education auxiliary device, including compasses body (1), it is characterised in that: the compasses body (1) include stabilizer blade (2),
Drawing seat (3), angle fixed disk (6), handwheel (7) and angle (8) composition, the stabilizer blade (2) is by positioning stabilizer blade (21) and draws
Stabilizer blade (22) are drawn by connection shaft (9) rotation connection composition, the positioning stabilizer blade (21) is pacified with the drawing stabilizer blade (22)
Mounted in the inside of the angle fixed disk (6), the handwheel (7) is located at the top of the angle fixed disk (6), and with the angle
Degree fixed disk (6) be fixedly connected, it is described drawing seat (3) be located at it is described positioning stabilizer blade (21) bottom end, and with the drawing stabilizer blade
(22) it is detachably connected, the angle (8) and the drawing stabilizer blade (22) are rotatablely connected, the front side top of the stabilizer blade (2)
It is fixedly connected with limit shaft item (5), one end of the limit shaft item (5) is connect with positioning stabilizer blade (21), and the other end is drawn with described
Stabilizer blade (22) connection is drawn, the front side bottom end of the stabilizer blade (2) slidably connects positioning rule (4), and the drawing seat (3) includes slide plate
(31), spiral shell seat (32) and mounting cylinder (33) composition are connected, connection spiral shell seat (32) is fixedly mounted on the top of drawing seat (3)
End, the mounting cylinder (33) are located at the inside of drawing seat (3), and the slide plate (31) is located at the outer of the mounting cylinder (33)
Side is fixedly connected with the mounting cylinder (33), and the mounting cylinder (33) is driven to slide up and down in the drawing seat (3).
2. a kind of mathematical education auxiliary device according to claim 1, it is characterised in that: angle fixed disk (6) packet
Angle instruction disk (61) and connection sheath body (62) composition are included, angle instruction disk (61) is located at the angle fixed disk (6)
Inside middle position, and be rotatablely connected with the angle fixed disk (6), connect in the inside shaft of angle instruction disk (61)
It is connected to the pointer mutually fixed with positioning stabilizer blade (21) and drawing stabilizer blade (22), the connection sheath body (62) is located at described
The rear side of angle fixed disk (6), and be fixedly connected with the angle fixed disk (6).
3. a kind of mathematical education auxiliary device according to claim 1, it is characterised in that: the number of the limit shaft item (5)
Amount is two, is equipped with sliding sawtooth (51) on the inside of the limit shaft item (5), passes through institute between two limit shaft items (5)
Sliding sawtooth (51) is stated to be slidably connected.
4. a kind of mathematical education auxiliary device according to claim 1, it is characterised in that: the inside of the positioning rule (4)
It offers sliding slot, is provided on front side of positioning stabilizer blade (21) and drawing stabilizer blade (22) and to match with the sliding slot
Slide-bar (41).
5. a kind of mathematical education auxiliary device according to claim 1, it is characterised in that: in the bottom end of the stabilizer blade (2)
Side is fixedly connected with pivoted housing (23), and the apical lateral of the angle (8), which is provided with, adjusts shaft (81), the adjusting shaft
(81) it is engaged with the inside of the pivoted housing (23) in outside.
6. a kind of mathematical education auxiliary device according to claim 1, it is characterised in that: the quantity of the mounting cylinder (33)
Be three, be fixedly connected to slide plate (31) on the outside of three mounting cylinders (33), on the drawing seat (3) with the slide plate
(31) corresponding to open up grooved hole.
7. a kind of mathematical education auxiliary device according to claim 1, it is characterised in that: the angle (8) is silica gel
Material sucker structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920164951.0U CN209466878U (en) | 2019-01-30 | 2019-01-30 | A kind of mathematical education auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920164951.0U CN209466878U (en) | 2019-01-30 | 2019-01-30 | A kind of mathematical education auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209466878U true CN209466878U (en) | 2019-10-08 |
Family
ID=68094358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920164951.0U Expired - Fee Related CN209466878U (en) | 2019-01-30 | 2019-01-30 | A kind of mathematical education auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209466878U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112109477A (en) * | 2020-09-23 | 2020-12-22 | 郑州铁路职业技术学院 | Mathematics teaching auxiliary device |
-
2019
- 2019-01-30 CN CN201920164951.0U patent/CN209466878U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112109477A (en) * | 2020-09-23 | 2020-12-22 | 郑州铁路职业技术学院 | Mathematics teaching auxiliary device |
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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: 20191008 Termination date: 20210130 |