CN214267210U - Drawing tool for mathematical education - Google Patents
Drawing tool for mathematical education Download PDFInfo
- Publication number
- CN214267210U CN214267210U CN202120323029.9U CN202120323029U CN214267210U CN 214267210 U CN214267210 U CN 214267210U CN 202120323029 U CN202120323029 U CN 202120323029U CN 214267210 U CN214267210 U CN 214267210U
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- straight rod
- straight
- rod
- block
- bar
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- Expired - Fee Related
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- 238000013507 mapping Methods 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 2
- 241000252254 Catostomidae Species 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000002337 anti-port Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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Abstract
The utility model discloses a drawing tool for mathematical education, relating to the technical field of mathematical education; the scribing straight rod comprises a first straight rod, a second straight rod and a scribing straight rod, wherein the first straight rod is rotatably connected with the second straight rod through a connecting shaft, sliding grooves are formed in the upper sides of the first straight rod and the second straight rod respectively, movable sliding blocks are arranged inside the sliding grooves respectively, the scribing straight rod is positioned above the first straight rod and the second straight rod, two ends of the bottom of the scribing straight rod are rotatably connected with the adjacent movable sliding blocks through rotating shafts, the upper ends of the rotating shafts penetrate through the scribing straight rod and are fixedly connected with the bottom ends of rotating blocks respectively, and sucking discs are fixedly arranged at the left end and the right end of the bottom of the first straight rod and the bottom of the second straight rod respectively; the utility model discloses a setting up to first straight-bar, second straight-bar and marking off the straight-bar makes mathematics mapping become convenient and accurate again, and through the setting to adjusting fixed subassembly, can be convenient for first straight-bar, second straight-bar and the fixed or rotation of marking off the straight-bar, has effectively promoted the portable ability of this device.
Description
Technical Field
The utility model relates to a mathematics teaching aid technical field specifically is a graphics primitive is used in mathematical education.
Background
In the teaching of many knowledge points of mathematics, various figures such as coordinate graphs, tables and circles need to be drawn on a blackboard, in the classroom, teachers often draw by hand feel for rapidness, so that the figures are inaccurate and not attractive, in order to draw the figures more regularly, the blackboard writing is attractive, and teachers often need to take various drawing tools such as rulers, set squares, compasses and the like in class.
The drawing tool for the existing mathematical education is often bulky, can not be folded due to the influence on the drawing precision of the graph, and is not beneficial to carrying and storing.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a graphics primitive is used in mathematics teaching to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a graphics primitive is used in mathematics teaching, includes first straight-bar, second straight-bar and lineation straight-bar, rotate through the connecting axle between first straight-bar and the second straight-bar and be connected, the spout has all been seted up with the upside of second straight-bar to first straight-bar, the inside removal slider that all is provided with of spout, it is located the top of first straight-bar and second straight-bar to lineate the straight-bar, the bottom both ends of lineation straight-bar all pass through the axis of rotation with close removal slider and are connected, first straight-bar, second straight-bar all with remove the slider inside and be provided with the fixed subassembly of regulation, it is including dwang, fixed block and regulating block to adjust fixed subassembly.
As a further aspect of the present invention: the upper end of the rotating shaft penetrates through the straight marking rod and is fixedly connected with the bottom end of the rotating block, and rotating handles are fixedly arranged at the left end and the right end of the rotating block.
As a further aspect of the present invention: both ends all are provided with the fixed block about the inside of removing the slider, the last lower extreme of fixed block all fixedly is provided with the stopper, the stopper all passes through spacing spring fixed connection with close removal slider inner wall.
As a further aspect of the present invention: the inside of removing the slider is provided with the contact piece, the contact piece left and right sides all is connected with close fixed block contact, the bottom and the dwang fixed connection of contact piece.
As a further aspect of the present invention: the bottom of dwang all runs through the bottom of removing slider bottom, first straight-bar and second straight-bar to with regulating block fixed connection, the external fixation of dwang is provided with the external screw thread, the fixed internal thread that sets up of part that the removal slider was run through by the dwang, internal thread and external screw thread phase-match.
As a further aspect of the present invention: the left end and the right end of the bottoms of the first straight rod and the second straight rod are fixedly provided with fixed suckers, and the two ends of the first straight rod, the second straight rod and the marking straight rod are provided with scales.
Compared with the prior art, the beneficial effects of the utility model are that, can rotate between first straight-bar and the second straight-bar, rule straight-bar and first straight-bar, can fix or remove through adjusting fixed subassembly between the second straight-bar, rotate the regulating block, the regulating block rotates the indirect contact block that drives and removes, and then drive the fixed block and remove, thereby realize first straight-bar, the second straight-bar unloads with the fixed or pine of ruling straight-bar and rotates, make this device have foldablely, take up an area of the space for a short time, be convenient for store and the advantage of carrying, and this device is convenient to use, be favorable to promoting teaching efficiency.
Drawings
Fig. 1 is a schematic structural view of a drawing tool for mathematical education.
Fig. 2 is a schematic structural view of an adjusting and fixing assembly of the drawing tool for mathematical education.
Fig. 3 is a schematic structural diagram of a turning block in a drawing tool for mathematical education.
Fig. 4 is a partially enlarged view of a drawing tool for mathematical education at a point a.
In the figure: 1-a first straight rod, 2-a second straight rod, 3-a marking straight rod, 4-scales, 5-a chute, 6-a movable sliding block, 7-a rotating block, 8-a connecting shaft, 9-a limiting spring, 10-a limiting block, 11-a contact block, 12-a rotating rod, 13-an adjusting block, 14-an internal thread, 15-an external thread, 16-a sucker, 17-a rotating handle and 18-a fixing block.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
Example 1
Referring to fig. 1 to 4, in embodiment 1 of the present invention, a drawing tool for mathematics teaching includes a first straight rod 1, a second straight rod 2 and a straight line marking rod 3, the first straight rod 1 and the second straight rod 2 are rotatably connected through a connecting shaft 8, the upper sides of the first straight rod 1 and the second straight rod 2 are both provided with a sliding groove 5, the inner parts of the sliding grooves 5 are respectively provided with a movable sliding block 6, the marking straight rod 3 is positioned above the first straight rod 1 and the second straight rod 2, the two ends of the bottom of the straight marking rod 3 are rotatably connected with the adjacent movable sliding blocks 6 through rotating shafts, the first straight rod 1, the second straight rod 2 and the movable sliding block 6 are internally provided with an adjusting and fixing component, the adjusting and fixing component comprises a rotating rod 12, a fixing block 18 and an adjusting block 13, so that the device has the advantages of being foldable, small in occupied space, convenient to use and carry.
Example 2
Referring to fig. 1 to 4, the main difference between the embodiment 2 and the embodiment 1 is that the upper end of the rotation shaft penetrates through the straight scribing rod 3 and is fixedly connected to the bottom end of the rotation block 7, the left and right ends of the rotation block 7 are fixedly provided with rotation handles 17, the left and right ends of the inside of the movable slider 6 are provided with fixed blocks 18, the upper and lower ends of the fixed blocks 18 are fixedly provided with limit blocks 10, the limit blocks 10 are fixedly connected to the inner walls of the adjacent movable sliders 6 through limit springs 9, the inside of the movable slider 6 is provided with contact blocks 11, and the left and right sides of the contact blocks 11 are in contact connection with the adjacent fixed blocks 18, so that the contact blocks 11 move to press the fixed blocks 18 on the left and right sides to move, thereby clamping and fixing or loosening the inner walls of the sliding chute 5.
Contact block 11's bottom and dwang 12 fixed connection, the bottom of dwang 12 all runs through the bottom of moving slider 6 bottom, first straight-bar 1 and second straight-bar 2 to with regulating block 13 fixed connection, the external fixation of dwang 12 is provided with external screw thread 15, the fixed internal thread 14 that sets up in part that moves slider 6 and is run through by dwang 12, internal thread 14 and external screw thread 15 phase-match, both ends are all fixed and are provided with fixed suction cup 16 about the bottom of first straight-bar 1 and second straight-bar 2, first straight-bar 1, second straight-bar 2 all are provided with scale 4 with the both ends of ruling straight-bar 3 for the teacher can fix this teaching aid on the blackboard when using this device, has effectively promoted the convenience in utilization of this device.
The utility model discloses a theory of operation is: when using, remove the assigned position with the inside removal slider of first straight-bar and second straight-bar, rotate the regulating block, the regulating block rotates and drives the dwang and rotate, and then it removes to drive the contact block, the fixed block that drives the contact block both sides removes, press from both sides the spout and press from both sides tightly fixed, rotate the turning block, thereby with first straight-bar, the second straight-bar is fixed with the straight-bar of drawing a line, utilize the scale to draw, after the drawing is accomplished, the regulation pole is adjusted in the antiport, make the fixed block remove under stopper and spacing spring's effect, and then make the removal slider remove along the spout, thereby the convenience is folded the device.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A drawing tool for mathematics teaching is characterized in that the drawing tool comprises a first straight rod (1), a second straight rod (2) and a line drawing straight rod (3), the first straight rod (1) and the second straight rod (2) are rotationally connected through a connecting shaft (8), the upper sides of the first straight rod (1) and the second straight rod (2) are both provided with a sliding chute (5), the inner parts of the sliding grooves (5) are respectively provided with a movable sliding block (6), the marking straight rod (3) is positioned above the first straight rod (1) and the second straight rod (2), the two ends of the bottom of the straight marking rod (3) are rotatably connected with the adjacent movable sliding blocks (6) through rotating shafts, the first straight rod (1), the second straight rod (2) and the movable sliding block (6) are internally provided with adjusting and fixing components, the adjusting and fixing component comprises a rotating rod (12), a fixing block (18) and an adjusting block (13).
2. The drawing tool for mathematics teaching as claimed in claim 1, wherein the upper end of said rotation shaft penetrates through the straight marking rod (3) and is fixedly connected with the bottom end of the rotation block (7), and the left and right ends of said rotation block (7) are fixedly provided with rotation handles (17).
3. The drawing tool for mathematical education as set forth in claim 1, wherein the fixed blocks (18) are respectively disposed at the left and right ends of the inside of the movable sliding block (6), the upper and lower ends of the fixed blocks (18) are respectively and fixedly provided with a limit block (10), and the limit blocks (10) are fixedly connected with the inner wall of the adjacent movable sliding block (6) through limit springs (9).
4. The drawing tool for mathematics teaching as claimed in any one of claims 1 or 3, wherein said movable slider (6) is internally provided with a contact block (11), the left and right sides of said contact block (11) are respectively in contact connection with an adjacent fixed block (18), and the bottom end of said contact block (11) is fixedly connected with said rotating rod (12).
5. The drawing tool for mathematical education as set forth in claim 4, characterized in that the bottom end of the rotating rod (12) penetrates the bottom end of the movable sliding block (6), the bottom ends of the first straight rod (1) and the second straight rod (2) and is fixedly connected with the adjusting block (13), an external thread (15) is fixedly arranged outside the rotating rod (12), an internal thread (14) is fixedly arranged on the part of the movable sliding block (6) penetrated by the rotating rod (12), and the internal thread (14) is matched with the external thread (15).
6. The drawing tool for mathematics teaching as claimed in claim 1, wherein the left and right ends of the bottom of said first straight rod (1) and said second straight rod (2) are respectively and fixedly provided with a fixed sucker (16), and the two ends of said first straight rod (1), said second straight rod (2) and said straight marking rod (3) are respectively provided with a scale (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120323029.9U CN214267210U (en) | 2021-02-04 | 2021-02-04 | Drawing tool for mathematical education |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120323029.9U CN214267210U (en) | 2021-02-04 | 2021-02-04 | Drawing tool for mathematical education |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214267210U true CN214267210U (en) | 2021-09-24 |
Family
ID=77787458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120323029.9U Expired - Fee Related CN214267210U (en) | 2021-02-04 | 2021-02-04 | Drawing tool for mathematical education |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214267210U (en) |
-
2021
- 2021-02-04 CN CN202120323029.9U patent/CN214267210U/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: 20210924 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |