CN210941098U - Mathematics is drawn with supplementary graphics primitive - Google Patents
Mathematics is drawn with supplementary graphics primitive Download PDFInfo
- Publication number
- CN210941098U CN210941098U CN201922012037.7U CN201922012037U CN210941098U CN 210941098 U CN210941098 U CN 210941098U CN 201922012037 U CN201922012037 U CN 201922012037U CN 210941098 U CN210941098 U CN 210941098U
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Abstract
The utility model discloses an auxiliary drawing tool for mathematical drawing, which comprises a support column, wherein one side of the support column is rotatably provided with a first measuring plate, the other side of the support column is provided with a second measuring plate, the support column is provided with an angle measuring scale, the first measuring plate and the second measuring plate are provided with measuring devices matched with the angle measuring scale, the support column is provided with a positioning device, the first measuring plate and the second measuring plate are both provided with drawing devices, the positioning device comprises a positioning column, a positioning plate and a limiting device, the positioning column penetrates through the support column and the angle measuring scale, the positioning column is connected with the support column through screw threads, the end part of the positioning column is provided with the positioning plate, the lower end of the positioning plate is provided with the limiting device, and the bottom of the positioning plate is provided with a non-slip mat, the utility model discloses a straight line with different angles can be conveniently, and the positioning device is matched with the drawing device, so that the circle can be conveniently positioned and drawn.
Description
Technical Field
The utility model relates to a mathematics appurtenance technical field specifically is a mathematics drawing is with supplementary graphics primitive.
Background
Mathematics is a subject of studying concepts such as quantity, structure, variation, space, and information, and belongs to a form science from a certain point of view. And in human historical development and social life, mathematics also plays irreplaceable effect, also is the indispensable essential basic tool of study and research modern science and technology, and the instrument that can assist at present to carry out accurate drawing is ruler, set-square etc. usually, need measure repeatedly when using these instruments to draw, therefore drawing speed is slower, uses more inconveniently, and the instrument of drawing is more, when influencing drawing efficiency, still inconveniently carries, for this reason the utility model provides an auxiliary drawing instrument is used for solving above-mentioned problem for mathematical drawing.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mathematics is drawn with supplementary graphics primitive 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 mathematics is drawn and is used supplementary graphics primitive, includes the support column, one side of support column is rotated and is equipped with first measuring plate, the opposite side of support column is equipped with the second and measures the board, be equipped with angular surveying chi on the support column, be equipped with on first measuring plate and the second measuring plate with angular surveying chi complex measuring device, be equipped with positioner on the support column, all be equipped with drawing device on first measuring plate and the second measuring plate, positioner includes reference column, locating plate and stop device, the reference column runs through support column and angular surveying chi, and passes through threaded connection between reference column and the support column, the tip of reference column is equipped with the locating plate, the lower extreme of locating plate is equipped with stop device, and the bottom of locating plate is equipped with the slipmat.
And the first measuring plate and the second measuring plate are both provided with graduated scales.
The measuring device comprises a measuring block, a measuring pointer and a fixing bolt, wherein the measuring block is arranged on the first measuring plate and is arranged on the outer side of the angle measuring scale, the measuring pointer is arranged on the measuring block, and the fixing bolt is arranged on one side of the measuring block.
The first measuring plate and the second measuring plate are both rotatably arranged on the supporting column, a rotating sleeve is arranged at the end of the first measuring plate and sleeved on the supporting column, a clamping block is arranged in the rotating sleeve, and an annular clamping groove matched with the clamping block is formed in the supporting column.
The limiting device comprises a limiting needle, a limiting block, a groove and a spring, the bottom of the positioning plate is provided with the groove, the limiting needle is inserted into the groove, the end part of the limiting needle is provided with the limiting block, the spring is arranged in the groove, and the spring is arranged at the upper end of the limiting block.
The drawing device comprises a movable block, a movable column, a positioning bolt, a rubber sleeve and a pencil lead, wherein the movable column is arranged in the first measuring plate, the movable column is movably provided with the movable block, the movable block is provided with the positioning bolt, the rubber sleeve is arranged in the bottom end of the movable block, the pencil lead is inserted into the rubber sleeve, the rubber sleeve is round-table-shaped, and the rubber sleeve is in interference fit with the pencil lead.
The embodiment of the utility model provides a mathematics is drawn with supplementary graphics primitive. The method has the following beneficial effects:
1. the fixing bolt is loosened, then the first measuring plate and the second measuring plate can be rotated, so that the measuring pointer on the measuring block is driven to correspond to the scale on the angle measuring scale, and then the fixing bolt is screwed down, so that straight lines at different angles can be drawn through the arrangement, and the use is convenient;
2. when a circle needs to be drawn, the movable block can move on the supporting column by loosening and screwing the positioning bolt, so that the distance of the movable block is adjusted, then the pencil lead is inserted into the rubber sleeve, then the positioning plate is lowered by rotating the positioning column, so that the limiting pin is leaked out of the supporting column, then the limiting pin can correspond to the central point of the circle needing to be drawn, the positioning column can be pressed, so that the limiting pin is contracted and enters the groove, the positioning plate is in contact with paper, the positioning effect is better, the circle is convenient to draw, and the limiting pin cannot damage the paper when the circle is drawn, so that the use is convenient;
3. because under the cooperation of first measuring board and second measuring board, can once draw two circles for when drawing concentric circles, it is more convenient, also can not be because of the many times location appears, the condition of two circles decentraction.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the positioning device of the present invention;
FIG. 3 is an enlarged view of the point A in FIG. 2 according to the present invention;
FIG. 4 is a schematic structural diagram of the drawing apparatus of the present invention;
fig. 5 is a schematic structural view of the scale of the present invention.
In the figure: the pencil lead angle measuring device comprises a supporting column 1, a first measuring plate 2, a second measuring plate 3, a rotating sleeve 4, a fixture block 5, a positioning device 6, a positioning column 61, a positioning plate 62, a limiting device 63, a measuring device 7, a measuring block 71, a measuring pointer 72, a fixing bolt 73, an angle measuring scale 8, a dividing ruler 9, a limiting needle 10, a limiting block 11, a groove 12, a spring 13, a movable block 14, a movable column 15, a positioning bolt 16, a pencil lead 17 and a rubber sleeve 18.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a mathematics is drawn and is used supplementary graphics primitive, including support column 1, one side of support column 1 is rotated and is equipped with first measurement board 2, the opposite side of support column 1 is equipped with second measurement board 3, be equipped with angular surveying chi 8 on the support column 1, be equipped with on first measurement board 2 and the second measurement board 3 with angular surveying chi 8 complex measuring device 7, be equipped with positioner 6 on the support column 1, all be equipped with drawing device on first measurement board 2 and the second measurement board 3, positioner 6 includes reference column 61, locating plate 62 and stop device 63, reference column 61 runs through support column 1 and angular surveying chi 8, and pass through threaded connection between reference column 61 and the support column 1, the tip of reference column 61 is equipped with locating plate 62, the lower extreme of locating plate 62 is equipped with stop device 63, and the bottom of locating plate 62 is equipped with the slipmat.
Furthermore, the first measuring plate 2 and the second measuring plate 3 are both provided with graduated scales 9, and the first measuring plate 2 and the second measuring plate 3 can measure and draw lines with different lengths conveniently through the arrangement of the graduated scales 9;
further, the measuring device 7 comprises a measuring block 71, a measuring pointer 72 and a fixing bolt 73, the measuring block 71 is arranged on the first measuring plate 2, the measuring block 71 is arranged on the outer side of the angle measuring scale 8, the measuring pointer 72 is arranged on the measuring block 71, the fixing bolt 73 is arranged on one side of the measuring block 71, when the angles of the first measuring plate 2 and the second measuring plate 3 need to be adjusted, the fixing bolt 73 is loosened, then the first measuring plate 2 and the second measuring plate 3 can be rotated, so that the measuring pointer 72 on the measuring block 71 is driven to correspond to the scales on the angle measuring scale 8, and then the fixing bolt 73 is screwed, so that straight lines with different angles can be conveniently drawn;
further, the first measuring plate 2 and the second measuring plate 3 are both rotatably arranged on the support column 1, a rotary sleeve 4 is arranged at the end of the first measuring plate 2, the rotary sleeve 4 is sleeved on the support column 1, a clamping block 5 is arranged in the rotary sleeve 4, an annular clamping groove matched with the clamping block 5 is formed in the support column 1, the rotary sleeve 4 can be rotatably arranged on the support column 1 through the arrangement that the clamping block 5 is matched with the annular clamping groove, and then the rotary sleeve 4 can drive the first measuring plate 2 and the second measuring plate 3 to rotate;
furthermore, the limiting device 63 comprises a limiting needle 10, a limiting block 11, a groove 12 and a spring 13, the bottom of the positioning plate 62 is provided with the groove 12, the limiting needle 10 is inserted into the groove 12, the end part of the limiting needle 10 is provided with the limiting block 11, the spring 13 is arranged in the groove 12, and the spring 13 is arranged at the upper end of the limiting block 11;
further, the drawing device comprises a movable block 14, a movable column 15, a positioning bolt 16, a rubber sleeve 18 and a pencil lead 17, the movable column 15 is arranged in the first measuring plate 2, the movable block 14 is movably arranged on the movable column 15, the positioning bolt 16 is arranged on the movable block 14, the rubber sleeve 18 is arranged in the bottom end of the movable block 14, the pencil lead 17 is inserted into the rubber sleeve 18, the rubber sleeve 18 is in a round table shape, the rubber sleeve 18 is in interference fit with the pencil lead 17, the movable block 14 can move on the movable column 15 by loosening and tightening the positioning bolt 16, so that the distance of the movable block 14 is adjusted, then the pencil lead 17 is inserted into the rubber sleeve 18, circles can be quickly drawn under the cooperation of the positioning device 6, two circles can be drawn at a time due to the cooperation of the first measuring plate 2 and the second measuring plate 3, the use is convenient, after the circles are drawn, the pencil lead 17 can be taken out, the straight line drawing is convenient.
Working principle, in the using process, by loosening the fixing bolt 73, the first measuring plate 2 and the second measuring plate 3 can be rotated, so as to drive the measuring pointer 72 on the measuring block 71 to correspond to the scale on the angle measuring scale 8, then screwing through the fixing bolt 73, straight line drawing can be carried out, when circle drawing is needed, by loosening and screwing the positioning bolt 16, the movable block 14 can move on the movable column 15, so as to adjust the distance of the movable block 14, then by inserting the pencil lead 17 into the rubber sleeve 18, then by rotating the positioning column 61, the positioning plate 62 is lowered, so that the limiting needle 10 leaks out of the supporting column 1, then by corresponding to the central point needing circle drawing through the limiting needle 10, the positioning column 61 can be pressed, so that the limiting needle 10 shrinks and enters the groove 12, so that the positioning plate 62 is in contact with paper, the location effect is better, be convenient for draw a circle, and spacing needle 10 can not destroy the paper when drawing a circle, then measure board 3 through pivoted first measurement board 2 and second for can use support column 1 as the centre of a circle, carry out rotatory drawing of a circle, and owing to measure under board 3's cooperation at first measurement board 2 and second, can once draw two circles, make when drawing the concentric circles, it is more convenient, also can not appear because many times fix a position, the condition of two circles decentraction.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An auxiliary drawing tool for mathematical drawing, comprising a support column (1), characterized in that: one side of the supporting column (1) is rotatably provided with a first measuring plate (2), the other side of the supporting column (1) is provided with a second measuring plate (3), the supporting column (1) is provided with an angle measuring ruler (8), the first measuring plate (2) and the second measuring plate (3) are provided with measuring devices (7) matched with the angle measuring ruler (8), the supporting column (1) is provided with a positioning device (6), the first measuring plate (2) and the second measuring plate (3) are both provided with drawing devices, the positioning device (6) comprises a positioning column (61), a positioning plate (62) and a limiting device (63), the positioning column (61) penetrates through the supporting column (1) and the angle measuring ruler (8), the positioning column (61) is in threaded connection with the supporting column (1), and the positioning plate (62) is arranged at the end part of the positioning column (61), the lower end of the positioning plate (62) is provided with a limiting device (63), and the bottom of the positioning plate (62) is provided with a non-slip mat.
2. An auxiliary drawing tool for mathematical drawing as claimed in claim 1, wherein: and the first measuring plate (2) and the second measuring plate (3) are both provided with graduated scales (9).
3. An auxiliary drawing tool for mathematical drawing as claimed in claim 1, wherein: measuring device (7) are including measuring block (71), measurement pointer (72) and fixing bolt (73), be equipped with measuring block (71) on first measuring plate (2), and measure block (71) and set up the outside at angular surveying chi (8), be equipped with on measuring block (71) and measure pointer (72), one side of measuring block (71) is equipped with fixing bolt (73).
4. An auxiliary drawing tool for mathematical drawing as claimed in claim 1, wherein: first measuring board (2) and second measuring board (3) all rotate the setting on support column (1), the tip of first measuring board (2) is equipped with swivel sleeve (4), and swivel sleeve (4) cover is established on support column (1), be equipped with fixture block (5) in swivel sleeve (4), and be equipped with on support column (1) with fixture block (5) complex ring groove.
5. An auxiliary drawing tool for mathematical drawing as claimed in claim 1, wherein: stop device (63) include spacing needle (10), stopper (11), recess (12) and spring (13), the bottom of locating plate (62) is equipped with recess (12), recess (12) interpolation is equipped with spacing needle (10), the tip of spacing needle (10) is equipped with stopper (11), be equipped with spring (13) in recess (12), and spring (13) set up the upper end at stopper (11).
6. An auxiliary drawing tool for mathematical drawing as claimed in claim 1, wherein: drawing device includes movable block (14), activity post (15), positioning bolt (16), rubber sleeve (18) and pencil core (17), be equipped with movable post (15) in first measuring plate (2), the activity is equipped with movable block (14) on activity post (15), and is equipped with positioning bolt (16) on movable block (14), be equipped with rubber sleeve (18) in the bottom of movable block (14), rubber sleeve (18) interpolation is equipped with pencil core (17), and rubber sleeve (18) are the round platform form, rubber sleeve (18) and pencil core (17) interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922012037.7U CN210941098U (en) | 2019-11-20 | 2019-11-20 | Mathematics is drawn with supplementary graphics primitive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922012037.7U CN210941098U (en) | 2019-11-20 | 2019-11-20 | Mathematics is drawn with supplementary graphics primitive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210941098U true CN210941098U (en) | 2020-07-07 |
Family
ID=71372802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922012037.7U Expired - Fee Related CN210941098U (en) | 2019-11-20 | 2019-11-20 | Mathematics is drawn with supplementary graphics primitive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210941098U (en) |
-
2019
- 2019-11-20 CN CN201922012037.7U patent/CN210941098U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200707 Termination date: 20201120 |