CN208698281U - A kind of magnetic force mathematics panel for sliding picture arc - Google Patents
A kind of magnetic force mathematics panel for sliding picture arc Download PDFInfo
- Publication number
- CN208698281U CN208698281U CN201820425055.0U CN201820425055U CN208698281U CN 208698281 U CN208698281 U CN 208698281U CN 201820425055 U CN201820425055 U CN 201820425055U CN 208698281 U CN208698281 U CN 208698281U
- Authority
- CN
- China
- Prior art keywords
- ruler
- sucker
- mathematics
- cap
- magnetic force
- 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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- Pens And Brushes (AREA)
Abstract
The utility model belongs to non-chalk mathematics and draws arc device, more particularly to a kind of magnetic force mathematics panel for sliding picture arc, the first ruler including having medial launder, second ruler and third ruler, it is characterized by: rotation head passes through hollow turntable and spiral pedestal is rotatablely connected, spiral pedestal bottom end is connected with sucker, rotation head is fixedly connected with the first ruler, hollow turntable is fixedly connected with the second ruler, pass through two cap-shaped nuts) and two T shape screw rods third ruler both ends are connected with the first ruler and the second ruler respectively, cap-shaped nut top is bonded with ruler end magnet, first ulnar side wall is hinged with folding plastic plate, folding plastic plate is equipped with sucker paintbrush；The sucker paintbrush is made of the nib in the tip of the brushstyle of a writing or painting magnet on top, the plastic feet and plastic chassis of lower part.The utility model is cleaned without chalk dust, can convert displaying different tracks.
Description
Technical field
The utility model belongs to non-chalk mathematics and draws arc device, and in particular to a kind of magnetic force mathematics panel for sliding picture arc.
Background technique
CN200720084968.2 cyclograph on blackboard in the prior art, including tape measure, the tape measure bottom are fixedly installed
One sucker, the two are connected by plane bearing, and the end of band tape is fixedly connected with the sleeve for being nested with chalk, this
There are the following problems for device, and primary need constantly changes chalk or pencil, and often needs to hand steered device when drawing；And
CN201220115626.3 discloses Mathematics teaching aid for students in middle school, passes through fastener fixing between three bar rules to facilitate teacher black
Various geometric figures are drawn on plate, but it could be gone beyond the scope only after showing fixed shape with stroke.Above two existing skill
Art needs to draw arc after constantly putting adjustment, is not easy to show on a large scale to classmates far from blackboard etc..
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of clean without chalk dust, when ruler end magnet is in different rulers
When upper picture arc slides, sucker paintbrush can draw the circular arc variation of different length ruler respectively, and sucker paintbrush can also show three
The variation track of two of them endpoint in the triangle conversion process that a ruler is constituted, the magnetic force mathematics exhibition of such sliding picture arc
Plate.
The utility model adopts the following technical solutions:
A kind of magnetic force mathematics panel for sliding picture arc, the first ruler (2), the second ruler (4) including having medial launder (16)
With third ruler (5), it is characterised in that: rotation head (1) passes through hollow turntable (3) and spiral pedestal (8) and is rotatablely connected, spiral bottom
Seat (8) bottom end is connected with sucker (9), and rotation head (1) is fixedly connected with the first ruler (2), hollow turntable (3) and the second ruler (4)
Be fixedly connected, by two cap-shaped nuts (6) and two T shape screw rods (7) by third ruler (5) both ends respectively with the first ruler (2) and
Second ruler (4) is connected, and cap-shaped nut (6) top is bonded with ruler end magnet (12), and the first ruler (2) is side walls hinged folding plastic
Plate (10), folding plastic plate (10) are equipped with sucker paintbrush (11)；The sucker paintbrush (11) by top tip of the brushstyle of a writing or painting magnet
(17), nib (14) composition in the plastic feet (13) and plastic feet (13) of lower part.
Further, the outer ring of the first ruler (2), the second ruler (4) and third ruler (5) bottom surface medial launder (16) has annular groove
(15) (as shown in Figure 3), the top surface of two T shape screw rods (7) is slidably arranged on annular groove (15) beam of third ruler (5), wherein one
The head of a T shape screw rod (7) sequentially passes through third ruler (5) and the second ruler (4) respective medial launder (16) and the second ruler (4) face
On cap-shaped nut (6) rotate connection, the head of another T shape screw rod (7) sequentially passes through third ruler (5) and the first ruler (2) respectively
From medial launder (16) and the first ruler (2) face on cap-shaped nut (6) rotate connect.
Further, the length of third ruler is most short in the first ruler, the second ruler, third ruler.
Further, be equipped with ruler end magnet (12) on two cap-shaped nuts (6), set on folding plastic plate (10) there are two
Sucker paintbrush (11).
Further, the first ruler, the second ruler, be carved with metric length unit and mile on third ruler.
The utility model has the beneficial effects that
1. the utility model is drawn on folding plastic plate using the principle control of magnetic force with the sucker paintbrush of tip of the brushstyle of a writing or painting magnet
Figure out.
2. sucker paintbrush can draw different length circular arc respectively when ruler end magnet does the movement of picture arc on different rulers
Variation.
3. sucker paintbrush can show the track that endpoint changes in triangle conversion process.
Detailed description of the invention
Fig. 1 is the perspective view of the utility model folding plastic plate expansion；
Fig. 2 is the perspective view that the utility model folding plastic plate folds；
Fig. 3 is the bottom surface enlarged view of the second ruler and third ruler in Fig. 1；
Fig. 4 is the enlarged drawing of cap-shaped nut and T shape screw rod；
Fig. 5 is the connection enlarged drawing for rotating head and spiral pedestal；
Fig. 6 is the partial enlarged view of sucker paintbrush；
Wherein: 1- rotates head, the first ruler of 2-, the hollow turntable of 3-, the second ruler of 4-, 5- third ruler, 6- cap-shaped nut, 7-T
Shape screw rod, 8- spiral pedestal, 9- sucker, 10- folding plastic plate, 11- sucker paintbrush, 12- ruler end magnet, 13- plastic feet,
14- nib, 15- annular groove, 16- medial launder, 17- tip of the brushstyle of a writing or painting magnet.
Specific embodiment
In conjunction with Fig. 1-6, the utility model is described further:
A kind of magnetic force mathematics panel for sliding picture arc, the first ruler (2), the second ruler (4) including having medial launder (16)
With third ruler (5), it is characterised in that: rotation head (1) passes through hollow turntable (3) and spiral pedestal (8) and is rotatablely connected, spiral bottom
Seat (8) bottom end is connected with sucker (9), and rotation head (1) is fixedly connected with the first ruler (2), hollow turntable (3) and the second ruler (4)
Be fixedly connected, by two cap-shaped nuts (6) and two T shape screw rods (7) by third ruler (5) both ends respectively with the first ruler (2) and
Second ruler (4) is connected, and cap-shaped nut (6) top is bonded with ruler end magnet (12), and the first ruler (2) is side walls hinged folding plastic
Plate (10), folding plastic plate (10) are equipped with sucker paintbrush (11)；The sucker paintbrush (11) by top tip of the brushstyle of a writing or painting magnet
(17), nib (14) composition in the plastic feet (13) and plastic feet (13) of lower part.
Nib 14 uses the nib of watercolor pencil, and proposition in large capacity watercolor pencil disclosed in such as CN03234872.X can also
To replace using the pen core of coloring, when undercolour, ink can be added directly up.Nib (14) is filled in into plastic feet (13)
In intermediate hole, plastic feet (13) is bonded on the lower end surface of tip of the brushstyle of a writing or painting magnet (17).Rotate head (1) and the first ruler (2)
It is bonded together, hollow turntable (3) is bonded together with the second ruler.
The outer ring of first ruler (2), the second ruler (4) and third ruler (5) bottom surface medial launder (16) has annular groove (15), and two
The top surface of T shape screw rod (7) is slidably arranged on annular groove (15) beam of third ruler (5), the head of one of T shape screw rod (7) according to
The secondary cap-shaped nut (6) on third ruler (5) and the second ruler (4) respective medial launder (16) and the second ruler (4) face, which rotates, to be connected
It connects, the head of another T shape screw rod (7) sequentially passes through third ruler (5) and the first ruler (2) respective medial launder (16) and the first ruler
(2) cap-shaped nut on face (6) rotation connection.The length of third ruler is most short (from Fig. 1-2 in the first ruler, the second ruler, third ruler
It can be seen that).
Ruler end magnet (12) is equipped on two cap-shaped nuts (6), folding plastic plate (10) is equipped with one or two suction
Disk paintbrush (11), as shown in Fig. 2, sucker paintbrush is correspondingly arranged at the fooled folding of folding plastic plate influenced by ruler end magnet (12)
When plastic plate (10) is such as in Fig. 2 folding, folding plastic plate be parallel at this time the first ruler, the second ruler, three rulers and its respective ruler
Magnet is held, when third ruler slides on the first, second ruler, cap-shaped nut and T shape screw rod do not screw on button at this time, (one or two
It is a) during ruler end magnet is mobile, impacted the drives nib (14) of tip of the brushstyle of a writing or painting magnet (17) leaves on folding plastic plate (10)
Motion profile.First ruler, the second ruler are carved with metric length unit and mile on third ruler.
Third ruler, which can according to need, to be taken, or is separated with the first ruler, or is separated with the second ruler, at this point, occurring following several
Kind of situation: 1) the first ruler moves alone, 2) the second ruler independently moving, 3) the first ruler, the second ruler move together, 4) the first ruler and company
The third ruler connect moves together, 5) third ruler and the second ruler of connection move together, no matter which kind of situation, the ruler end being arranged thereon
Magnet can all influence tip of the brushstyle of a writing or painting magnet (17) and written (14) is driven to leave respective motion profile on folding plastic plate (10).
Above-described is only preferred embodiments of the present invention, it is noted that for the ordinary skill of this field
For personnel, without departing from the concept of the present invention, several equivalents can also be made, these are belonged to
The protection scope of the utility model.
Claims (4)
1. a kind of magnetic force mathematics panel for sliding picture arc, including have first ruler (2) of medial launder (16), the second ruler (4) and
Third ruler (5), it is characterised in that: rotation head (1) passes through hollow turntable (3) and spiral pedestal (8) and is rotatablely connected, spiral pedestal
(8) bottom end is connected with sucker (9), and rotation head (1) is fixedly connected with the first ruler (2), and hollow turntable (3) and the second ruler (4) are solid
Fixed connection, by two cap-shaped nuts (6) and two T shape screw rods (7) by third ruler (5) both ends respectively with the first ruler (2) and the
Two rulers (4) are connected, and cap-shaped nut (6) top is bonded with ruler end magnet (12), and the first ruler (2) is side walls hinged folding plastic plate
(10), folding plastic plate (10) is equipped with sucker paintbrush (11)；The sucker paintbrush (11) by top tip of the brushstyle of a writing or painting magnet (17), under
Nib (14) composition in the plastic feet (13) and plastic feet (13) in portion.
2. a kind of magnetic force mathematics panel for sliding picture arc according to claim 1, it is characterised in that: the first ruler (2), second
The outer ring of ruler (4) and third ruler (5) bottom surface medial launder (16) has annular groove (15), and the top surface sliding of two T shape screw rods (7) is set
It sets on annular groove (15) beam of third ruler (5), the head of one of T shape screw rod (7) sequentially passes through third ruler (5) and the second ruler
(4) cap-shaped nut (6) on respective medial launder (16) and the second ruler (4) face, which rotates, connects, the bar of another T shape screw rod (7)
Head sequentially passes through the cap-shaped nut (6) on third ruler (5) and the first ruler (2) respective medial launder (16) and the first ruler (2) face and revolves
Turn connection.
3. a kind of magnetic force mathematics panel for sliding picture arc according to claim 1, it is characterised in that: two cap-shaped nuts
(6) it is equipped with ruler end magnet (12) on, is set on folding plastic plate (10) there are two sucker paintbrush (11).
4. it is according to claim 1 it is a kind of slide picture arc magnetic force mathematics panel, it is characterised in that: the first ruler, the second ruler,
Metric length unit and mile are carved on third ruler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820425055.0U CN208698281U (en) | 2018-03-28 | 2018-03-28 | A kind of magnetic force mathematics panel for sliding picture arc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820425055.0U CN208698281U (en) | 2018-03-28 | 2018-03-28 | A kind of magnetic force mathematics panel for sliding picture arc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208698281U true CN208698281U (en) | 2019-04-05 |
Family
ID=65913431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820425055.0U Expired - Fee Related CN208698281U (en) | 2018-03-28 | 2018-03-28 | A kind of magnetic force mathematics panel for sliding picture arc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208698281U (en) |
-
2018
- 2018-03-28 CN CN201820425055.0U patent/CN208698281U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20190405 Termination date: 20200328 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |