CN210617687U - Curve drawing device that university's mathematics teaching was used - Google Patents
Curve drawing device that university's mathematics teaching was used Download PDFInfo
- Publication number
- CN210617687U CN210617687U CN201920535447.7U CN201920535447U CN210617687U CN 210617687 U CN210617687 U CN 210617687U CN 201920535447 U CN201920535447 U CN 201920535447U CN 210617687 U CN210617687 U CN 210617687U
- Authority
- CN
- China
- Prior art keywords
- plate
- movable
- fixed block
- fly leaf
- fixed 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Electrically Operated Instructional Devices (AREA)
Abstract
The utility model relates to a mathematical education technical field specifically discloses a curve drawing device that college mathematical education used, does not have fine instrument to be used for assisting the problem of drawing the curve graph in current mathematical education, now proposes following scheme, which comprises a fixing plate, the bottom both sides fixedly connected with sucking disc of fixed plate, the top of fixed plate is rotated and is connected with first fly leaf, the top welding that one side of fixed plate was kept away from to first fly leaf has first fixed block, the internal thread of first fixed block has cup jointed the screw rod, the one end that the fixed plate was kept away from to the screw rod is rotated and is connected with the second fixed block, the bottom welding of second fixed block has the second fly leaf, and second fly leaf movable sleeve establishes in first fly leaf, the second fly leaf is kept away from one side welding of fixed plate and has the mounting. The utility model discloses do not need the mr to rely on experience to draw, improve the speed and the accuracy of drawing, conveniently draw different curve charts, be fit for carrying out marketing.
Description
Technical Field
The utility model relates to a mathematical education technical field especially relates to a curve drawing device that college mathematical education used.
Background
In the mathematics teaching activity, sometimes need the mr to teach the picture of various circular and oval structures, however when explaining these pictures, need the teacher to draw more vividly, to drawing these circular and oval pictures more difficultly, it is difficult to draw with the help of the ruler once only, mostly rely on mr's experience to draw, so not only waste time and energy, and the accuracy of drawing is relatively poor moreover, is unfavorable for student's better understanding, for this reason we have proposed a curve drawing device that university's mathematics teaching used.
Disclosure of Invention
The utility model provides a curve drawing device that university's mathematical education was used has solved and has not had fine instrument to be used for assisting the problem of drawing the curve graph in the current mathematical education.
In order to achieve the above purpose, the present invention adopts the following technical solution.
A curve drawing device for college mathematics teaching comprises a fixed plate, suckers are fixedly connected to two sides of the bottom of the fixed plate, a first movable plate is rotatably connected to the top of the fixed plate, a first fixed block is welded to the top of one side, away from the fixed plate, of the first movable plate, a screw rod is sleeved on an internal thread of the first fixed block, one end, away from the fixed plate, of the screw rod is rotatably connected with a second fixed block, a second movable plate is welded to the bottom of the second fixed block, the second movable plate is movably sleeved in the first movable plate, a mounting plate is welded to one side, away from the fixed plate, of the second movable plate, a mounting hole is formed in the mounting plate, an extrusion block is welded to the inner wall of one side, close to the second movable plate, of the mounting plate, a movable rod is movably sleeved on one side, away, one side of the clamping plate, which is far away from the extrusion block, is connected with a spring which is sleeved on the outer ring of the movable rod.
Preferably, one side of the mounting plate, which is far away from the second movable plate, is provided with a connecting hole, the movable rod penetrates through the connecting hole, and one end of the movable rod, which is far away from the clamping plate, is welded with a pull rod.
Preferably, the side, close to each other, of each of the extrusion block and the clamping plate is provided with an arc-shaped groove, and a rubber pad is bonded on the inner wall of each arc-shaped groove.
Preferably, one side welding that the second fixed block is close to first fixed block has the bearing, and the fixed cover of screw rod is established in the inside of bearing, the one end welding that the bearing was kept away from to the screw rod has the handle.
Preferably, a movable groove is formed in one side, close to the mounting plate, of the first movable plate, and the second movable plate is sleeved in the movable groove.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an installation fixed plate, the sucking disc, first fly leaf, the second fly leaf, the screw rod, first fixed block, the second fixed block, the mounting panel, the extrusion piece, the movable rod, spring and splint isotructure, wherein the sucking disc adsorbs on the surface of blackboard, and rotate the screw rod and then can adjust the length that the second fly leaf stretches out in the first fly leaf, and first fly leaf can rotate around the fixed plate, and the spring then extrudees splint, make splint and extrusion plate be close to each other and press from both sides the chalk tight, can draw different curves through rotating first fly leaf like this, the device is novel in design, the operation is thus simple, do not need mr to rely on experience to draw, improve the speed and the accuracy of drawing, conveniently draw different curves, be fit for carrying out marketing.
Drawings
Fig. 1 is the utility model provides a curve drawing device for university's mathematical education overlook the schematic structure diagram.
Fig. 2 is that the utility model provides a curve drawing device's that university's mathematical education was used first fly leaf looks sideways at structural schematic.
In the figure: the device comprises a fixing plate 1, a sucking disc 2, a first movable plate 3, a first fixed block 4, a screw 5, a second fixed block 6, a second movable plate 7, a mounting plate 8, a mounting hole 9, an extrusion block 10, a movable rod 11, a clamping plate 12, a spring 13 and a movable groove 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a curve drawing device for university mathematics teaching comprises a fixed plate 1, suckers 2 are fixedly connected to two sides of the bottom of the fixed plate 1, a first movable plate 3 is rotatably connected to the top of the fixed plate 1, a first fixed block 4 is welded to the top of one side of the first movable plate 3 away from the fixed plate 1, a screw 5 is sleeved on the inner thread of the first fixed block 4, one end of the screw 5 away from the fixed plate 1 is rotatably connected to a second fixed block 6, a second movable plate 7 is welded to the bottom of the second fixed block 6, the second movable plate 7 is movably sleeved in the first movable plate 3, a mounting plate 8 is welded to one side of the second movable plate 7 away from the fixed plate 1, a mounting hole 9 is formed in the mounting plate 8, a pressing block 10 is welded to the inner wall of one side of the mounting hole 9 close to the second movable plate 7, and, one end of the movable rod 11 close to the extrusion block 10 is welded with a clamping plate 12, and one side of the clamping plate 12 far away from the extrusion block 10 is connected with a spring 13 sleeved on the outer ring of the movable rod 11.
One side that second fly leaf 7 was kept away from to mounting panel 8 has seted up the connecting hole, and movable rod 11 runs through the connecting hole, the one end welding that splint 12 was kept away from to movable rod 11 has the pull rod, the arc wall has all been seted up to the one side that extrusion block 10 and splint 12 are close to each other, the inner wall of arc wall bonds there is the rubber pad, one side welding that second fixed block 6 is close to first fixed block 4 has the bearing, and the fixed cover of screw rod 5 is established in the inside of bearing, the one end welding that bearing was kept away from to screw rod 5 has the handle, movable groove 14 has been seted up to one side that first fly leaf 3 is close to.
In this embodiment, at first, sucking disc 2 adsorbs on the surface of blackboard, and rotate screw rod 5 then can adjust the length that second fly leaf 7 stretches out in the first fly leaf 3, and first fly leaf 3 can rotate around fixed plate 1, and spring 13 then extrudees splint 12 for splint 12 and stripper plate 10 are close to each other and press from both sides the chalk tight, can draw different curves through rotating first fly leaf 3 like this, do not need the mr to rely on experience to draw the picture, improve the speed and the accuracy of drawing, be fit for carrying out marketing.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The curve drawing device for university mathematics teaching comprises a fixed plate (1) and is characterized in that suckers (2) are fixedly connected to two sides of the bottom of the fixed plate (1), a first movable plate (3) is rotatably connected to the top of the fixed plate (1), a first fixed block (4) is welded to the top of one side, away from the fixed plate (1), of the first movable plate (3), a screw rod (5) is sleeved on the internal thread of the first fixed block (4), one end, away from the fixed plate (1), of the screw rod (5) is rotatably connected with a second fixed block (6), a second movable plate (7) is welded to the bottom of the second fixed block (6), the second movable plate (7) is movably sleeved in the first movable plate (3), a mounting plate (8) is welded to one side, away from the fixed plate (1), of the second movable plate (7), a mounting hole (9) is formed in the mounting plate (8), one side inner wall welding that mounting hole (9) are close to second fly leaf (7) has extrusion piece (10), one side movable sleeve that second fly leaf (7) were kept away from in mounting panel (8) is equipped with movable rod (11), movable rod (11) are close to the one end welding of extrusion piece (10) and have splint (12), one side that extrusion piece (10) were kept away from in splint (12) is connected with spring (13) that the cover was established at movable rod (11) outer lane.
2. The curve drawing device for university mathematics teaching according to claim 1, characterized in that the side of the mounting plate (8) far away from the second movable plate (7) is provided with a connecting hole, and a movable rod (11) penetrates through the connecting hole, and a pull rod is welded at one end of the movable rod (11) far away from the clamping plate (12).
3. The curve drawing device for university mathematics teaching as claimed in claim 1, wherein the sides of the pressing blocks (10) and the clamping plates (12) close to each other are provided with arc-shaped grooves, and rubber pads are bonded on the inner walls of the arc-shaped grooves.
4. The curve drawing device for university mathematics teaching as claimed in claim 1, characterized in that the bearing is welded on the side of the second fixed block (6) close to the first fixed block (4), the screw (5) is fixedly sleeved inside the bearing, and the handle is welded on the end of the screw (5) far from the bearing.
5. The curve drawing device for university mathematics teaching as claimed in claim 1, wherein the first movable plate (3) is provided with a movable groove (14) on one side close to the mounting plate (8), and the second movable plate (7) is sleeved in the movable groove (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920535447.7U CN210617687U (en) | 2019-04-19 | 2019-04-19 | Curve drawing device that university's mathematics teaching was used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920535447.7U CN210617687U (en) | 2019-04-19 | 2019-04-19 | Curve drawing device that university's mathematics teaching was used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210617687U true CN210617687U (en) | 2020-05-26 |
Family
ID=70758480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920535447.7U Expired - Fee Related CN210617687U (en) | 2019-04-19 | 2019-04-19 | Curve drawing device that university's mathematics teaching was used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210617687U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114347701A (en) * | 2022-03-03 | 2022-04-15 | 大连工业大学 | Product design drawing ruler with high practicability |
-
2019
- 2019-04-19 CN CN201920535447.7U patent/CN210617687U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114347701A (en) * | 2022-03-03 | 2022-04-15 | 大连工业大学 | Product design drawing ruler with high practicability |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210617687U (en) | Curve drawing device that university's mathematics teaching was used | |
| CN203157487U (en) | Blackboard with curtain for Chinese teaching | |
| CN206900038U (en) | A kind of mathematical education blackboard | |
| CN212098135U (en) | Multifunctional teaching aid for education technology | |
| CN208584982U (en) | A kind of novel and multifunctional mathematics appliance | |
| CN211479404U (en) | Teaching display device | |
| CN103552409B (en) | Water type self-cleaning mark removing blackboard eraser | |
| CN203870830U (en) | English listening training device | |
| CN203046651U (en) | Novel dustproof blackboard eraser | |
| CN212411414U (en) | Applied mathematics teaching display device | |
| CN208812827U (en) | A kind of primary school math teaching ruler | |
| CN206426721U (en) | Geometry line tool is used in one kind teaching | |
| CN204526558U (en) | Magnetic force scriber for English drawing | |
| CN209756569U (en) | Ellipse drawing device for high school mathematics teaching | |
| CN215792869U (en) | Teaching drawing device for mathematics of colleges and universities | |
| CN214873878U (en) | Be applied to plotter that mathematical education used | |
| CN213441866U (en) | Self-adaptive drawing paper positioning device for art teaching | |
| CN209600124U (en) | A kind of flexible right angle trigonometry ruler | |
| CN203596116U (en) | Blackboard special for advanced mathematics function curve modeling | |
| CN210680206U (en) | Multi-functional assembled mathematical education apparatus | |
| CN210428876U (en) | Multi-functional english teaching device convenient to carry | |
| CN204622933U (en) | A kind of Higher Mathematics Teaching chi | |
| CN210573513U (en) | Multi-functional children teaching is with computer dust cover | |
| CN210377908U (en) | Interactive teaching device of college english translation | |
| CN213902203U (en) | Detection apparatus suitable for pipe joint screw thread of stainless steel |
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: 20200526 Termination date: 20210419 |