CN111806124A - Calculus curve modeling is with drawing instrument convenient to use - Google Patents
Calculus curve modeling is with drawing instrument convenient to use Download PDFInfo
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- CN111806124A CN111806124A CN202010646435.9A CN202010646435A CN111806124A CN 111806124 A CN111806124 A CN 111806124A CN 202010646435 A CN202010646435 A CN 202010646435A CN 111806124 A CN111806124 A CN 111806124A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
- B43L13/001—Mathematical drawing instruments
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Abstract
The invention provides a drawing tool for modeling a calculus curve, which is convenient to use and comprises a fixed frame and a movable rod, wherein the fixed frame is provided with scale marks, the front end of the fixed frame is connected with the vertical moving plate in a sliding way, the front end of the vertical moving plate is connected with the horizontal moving plate in a sliding way, the transverse moving plate is provided with a first through groove which is arranged left and right, the vertical moving plate is provided with a second through groove which is arranged up and down, the annular outer end of the movable rod is connected with a first sleeve in a sliding way, the annular outer end of the first sleeve is fixed with a square sliding cylinder, the square sliding cylinder penetrates through the first through groove of the transverse moving plate and the second through groove of the vertical moving plate, the front end of the movable rod is provided with a pressure plate, the annular outer end of the front part of the first sleeve is in threaded connection with a first limit ring, compared with the prior art, the spring is arranged between the first limiting ring and the pressure plate, and the spring has the following beneficial effects: function points of different positions can be drawn continuously, use is convenient, and drawing efficiency is improved.
Description
Technical Field
The invention relates to a drawing tool for conveniently modeling a calculus curve, belonging to the technical field of curve modeling and drawing.
Background
Calculus is the mathematical branch of differentiation, integration and related concepts and applications of research functions in higher mathematics, and is a fundamental discipline of mathematics. Mainly comprises the operation of derivative calculation, and can establish a relevant mathematical model, and before the mathematical modeling, a drawing tool is mostly used for drawing basic (X, Y) numerical points.
The existing drawing tool for modeling the calculus curve is usually a set square or a straight ruler and the like, when the drawing tool is used, each numerical value point needs to draw a straight line through the drawing tool according to the relevant axis numerical value, the straight line is made to intersect, then point is taken at the intersection point position generated by the straight line, the drawing tool is a numerical value point, a plurality of numerical value points cannot be directly and continuously drawn, the drawing tool is inconvenient to use, drawing efficiency can be influenced, and therefore the drawing tool for modeling the calculus curve convenient to use needs to be designed to solve the problems.
Disclosure of Invention
The invention aims to provide a drawing tool for modeling a calculus curve, which is convenient to use, and aims to solve the problems that when the drawing tool is used, each numerical value point needs to draw a straight line through the drawing tool according to a relevant axis numerical value, the straight lines are intersected, and then dotting is carried out at an intersection point position generated by the straight line, the straight line is a numerical value point, a plurality of numerical value points cannot be directly and continuously drawn, the drawing tool is inconvenient to use, and the drawing efficiency is influenced.
In order to achieve the purpose, the invention is realized by the following technical scheme: a drawing tool convenient to use for modeling a calculus curve comprises a fixed frame provided with scale marks, a vertical moving plate is arranged at the front end of the fixed frame in a sliding connection mode from top to bottom, a transverse moving plate is arranged at the front end of the vertical moving plate in a sliding connection mode from left to right, the transverse moving plate is movably installed with the fixed frame, a first through groove is arranged at the left and right of the transverse moving plate, a second through groove is arranged at the top to bottom of the vertical moving plate, an auxiliary assembly is arranged at the front end of the transverse moving plate and penetrates through the first through groove of the transverse moving plate and the second through groove of the vertical moving plate, the auxiliary assembly comprises a movable rod, the annular outer end of the movable rod is slidably connected with a first sleeve, the annular outer end of the first sleeve is fixedly provided with a square sliding barrel, the square sliding barrel penetrates through the first through groove of the transverse moving plate and the second through groove of the, the square sliding barrel is characterized in that the outer end of the rear side of the square sliding barrel is fixedly connected with a square limiting plate and the square limiting plate is arranged at the rear end of the vertical moving plate, the front end of the movable rod is provided with a pressing plate and the pressing plate is arranged at the front side of a first sleeve, the front annular outer end of the first sleeve is in threaded connection with a first limiting ring and the first limiting ring is arranged at the front end of the horizontal moving plate, and a spring is arranged between the first limiting ring and the pressing plate and the inner side of the spring.
Further, a first indicator plate is installed at the middle position of the left wall and the right wall inside the first through groove, a second trapezoidal fixture block is fixedly connected at the middle position of one end of the first through groove inner wall attached to the first indicator plate, a second trapezoidal clamping groove is formed at the middle position of the left wall and the right wall inside the first through groove, a second trapezoidal fixture block is clamped inside the second trapezoidal clamping groove, a second indicator plate is installed at the middle position of the upper wall and the lower wall inside the second through groove, a third trapezoidal fixture block is fixedly connected at the middle position of one end of the second through groove inner wall attached to the second indicator plate, and a third trapezoidal fixture block is clamped inside the third trapezoidal clamping groove and the upper wall and the lower wall inside the second through groove.
Further, first notch grooves are formed in the upper end and the lower end of the fixing frame, second notch grooves are formed in the left end and the right end of the fixing frame, a first movable plate is mounted at the left end and the right end of the transverse movable plate, the first movable plate is connected to the second notch grooves in a sliding mode, a second movable plate is mounted at the upper end and the lower end of the vertical movable plate, the second movable plate is connected to the first notch grooves in a sliding mode, the transverse movable plate is fixedly connected with a first trapezoidal clamping block in the middle of one end of the first movable plate, a first trapezoidal clamping groove is formed in the middle of the front end of the first movable plate, a first trapezoidal clamping block is clamped in the first trapezoidal clamping groove, a fourth trapezoidal clamping block is fixedly connected to the middle of one end of the vertical movable plate, and a fourth trapezoidal clamping block is clamped in the fourth trapezoidal clamping groove in the middle of the.
Further, first breach groove sets up first spout and first spout towards fixed frame one end and sets up on fixed frame, second breach groove sets up second spout and second spout towards fixed frame one end and sets up on fixed frame, first movable plate trailing flank is inside the second spout to the first draw runner of horizontal movable plate one end fixed connection and first draw runner sliding connection, second movable plate trailing flank is inside the first spout to vertical movable plate one end fixed connection second draw runner and second draw runner sliding connection.
Furthermore, threaded holes are formed in four corner positions of the fixing frame, threaded studs are connected with the inner threads of the threaded holes in an extending mode and extend out of the rear side of the threaded holes, and suckers are fixedly connected to the rear ends of the studs.
Furthermore, an installation jack for inserting the painting brush is formed in the middle of the rear end of the movable rod.
Furthermore, the middle position of one end of the pressing plate, facing the movable rod, is fixedly connected with the second sleeve, and one end of the movable rod, facing the pressing plate, is in threaded connection with the second sleeve and extends into the second sleeve.
Furthermore, the annular outer end of the rear side of the movable rod is in threaded connection with a second limiting ring, and the second limiting ring is located at the rear end of the square sliding cylinder.
Furthermore, a rubber pad is arranged between the second limiting ring and the square sliding barrel and is bonded at the front end of the second limiting ring.
Furthermore, a protection pad is bonded at one end of the pressure plate, which is far away from the movable rod.
The invention has the beneficial effects that: according to the conveniently-used drawing tool for modeling the calculus curve, the vertical moving plate can be moved left and right along the fixing frame to a proper position, so that an X-axis numerical value is determined, the horizontal moving plate is moved up and down along the fixing frame to a proper position, so that a Y-axis numerical value is determined, a (X, Y) numerical point can be determined, the pressing plate is pressed, the movable rod is moved backwards along the first sleeve, so that a painting brush arranged at the rear end of the movable rod is used for dotting on the drawing board, the movable rod and the painting brush are returned to the original positions under the action of the spring, the steps are the same as the steps, function points at different positions are continuously drawn on the drawing board according to different (X, Y) numerical points, the use is convenient, and the drawing efficiency is improved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic diagram of a construction of a convenient drawing tool for modeling a calculus curve in accordance with the present invention;
FIG. 2 is a schematic illustration of a mid-frame of a convenient tool for mapping calculus curves modeling in accordance with the present invention;
FIG. 3 is a schematic illustration of a traverse plate in a drafting tool for calculus curve modeling that is convenient for use in the present invention;
FIG. 4 is a schematic illustration of a vertically moving plate in a convenient tool for mapping calculus curves in accordance with the present invention;
FIG. 5 is a cross-sectional view of an auxiliary component of a drafting tool for calculus curve modeling that is convenient for use in the present invention;
fig. 6 is a sectional view taken along line a in fig. 5.
In the figure: 1-a transverse moving plate, 2-a fixed frame, 3-a vertical moving plate, 4-an auxiliary component, 11-a first through groove, 12-a first sliding strip, 13-a first trapezoidal clamping groove, 14-a first moving plate, 15-a first trapezoidal clamping block, 16-a first indicating plate, 17-a second trapezoidal clamping block, 18-a second trapezoidal clamping groove, 21-a first sliding groove, 22-a first notch groove, 23-a second sliding groove, 24-a sucking disc, 25-a second notch groove, 26-a threaded hole, 27-a stud, 31-a first through groove, 32-a second indicating plate, 33-a third trapezoidal clamping block, 34-a third trapezoidal clamping groove, 35-a second sliding strip, 36-a fourth trapezoidal clamping block, 37-a fourth trapezoidal clamping groove, 38-a second moving plate, 41-pressing plate, 42-spring, 43-first limiting ring, 44-square sliding barrel, 45-square limiting plate, 46-second limiting ring, 47-movable rod, 48-first sleeve, 49-second sleeve, 461-rubber pad and 471-installation jack.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a calculus curve modeling is with drawing instrument convenient to use, including the fixed frame 2 of seting up the scale mark, vertical moving plate 3 of arranging about 2 front end sliding connection of fixed frame, horizontal moving plate 1 and the fixed frame 2 movable mounting of arranging about 3 front end sliding connection of vertical moving plate, horizontal moving plate 1 sets up the first logical groove 11 of arranging about, vertical moving plate 3 processing has the second of arranging about to lead to groove 31, horizontal moving plate 1 front end sets up first logical groove 11 that horizontal moving plate 1 was run through to auxiliary assembly 4 and the second of vertical moving plate 3 leads to groove 31.
The auxiliary assembly 4 comprises a movable rod 47, the annular outer end of the movable rod 47 is slidably connected with a first sleeve 48, the movable rod 47 is guided to move back and forth through the first sleeve 48, a square sliding barrel 44 is fixed at the annular outer end of the first sleeve 48, the square sliding barrel 44 penetrates through a first through groove 11 of the transverse moving plate 1 and a second through groove 31 of the vertical moving plate 3, the square sliding barrel 44 is slidably connected with the first through groove 11 and the second through groove 31 respectively, the square sliding barrel 44 is guided to move through the first through groove 11 and the second through groove 31, a square limiting plate 45 is fixedly connected with the outer end of the rear side of the square sliding barrel 44, the square limiting plate 45 is positioned at the rear end of the vertical moving plate 3, the square sliding barrel 44 is prevented from falling off from the rear side of the vertical moving plate 3 through the square limiting plate 45, a pressing plate 41 is arranged at the outer end of the front end of the movable rod 47, the pressing plate 41 is positioned at the front side of the first sleeve 48, a first limiting ring, the first stopper ring 43 prevents the square slide cylinder 44 from falling off from the front of the traverse plate 1, and a spring 42 is provided between the first stopper ring 43 and the presser plate 41, and a movable rod 47 is provided inside the spring 42.
Specifically, the fixed frame 2 is placed on the drawing board, the (X, Y) numerical point calculated according to the function is calculated, the vertical moving plate 3 is moved left and right along the fixed frame 2, the square sliding barrel 44 is moved left and right along the first through groove 11 of the horizontal moving plate 1, the moving position of the vertical moving plate 3 is determined by the scale mark of the fixed frame 2, the X-axis numerical value is determined, the horizontal moving plate 1 is moved up and down along the fixed frame 2, the square sliding barrel 44 is moved up and down along the second through groove 31 of the vertical moving plate 3, the moving position of the horizontal moving plate 1 is determined by the scale mark of the fixed frame 2, the Y-axis numerical value is determined, a (X, Y) numerical point is determined, the pressing plate 41 is pressed backwards, the spring 42 is compressed, the spring 42 is made to generate elasticity, and the movable rod 47 is moved backwards along the first sleeve, therefore, the painting brush arranged at the rear end of the movable rod 47 is used for dotting on the drawing board, after dotting is completed, the pressing plate 41 is loosened, the pressing plate 41 is moved forwards under the action of the spring 42, the movable rod 47 and the painting brush return to the original position, and then function points at different positions can be continuously drawn on the drawing board according to different (X, Y) numerical value points, so that the use is convenient, and the drawing efficiency is improved.
As an embodiment of the present invention: a first indicator plate 16 is arranged in the middle position of the left wall and the right wall inside the first through groove 11, the first indicator plate 16 is fixedly connected with a second trapezoidal fixture block 17 at the middle position attached to one end of the inner wall of the first through groove 11, a second trapezoidal fixture block 18 is arranged in the middle position of the left wall and the right wall inside the first through groove 11, the second trapezoidal fixture block 17 is clamped in the second trapezoidal fixture block 18, a second indicator plate 32 is arranged in the middle position of the upper wall and the lower wall inside the second through groove 31, a second indicator plate 32 is fixedly connected with a third trapezoidal fixture block 33 at the middle position attached to one end of the inner wall of the second through groove 31, a third trapezoidal fixture block 34 is clamped in the third trapezoidal fixture block 34, specifically, the scale mark on the fixed frame 2 is indicated through the first indicator plate 16 and the second indicator plate 32, so that the transverse moving plate 1 and the vertical moving plate 3 can move conveniently, through second trapezoidal draw-in groove 18 and second trapezoidal fixture block 17, realize the quick assembly disassembly of first indicator board 16, through third trapezoidal draw-in groove 34 and third trapezoidal fixture block 33, realize the quick assembly disassembly of second indicator board 32, be convenient for maintain and change.
As an embodiment of the present invention: the upper end and the lower end of the fixed frame 2 are both provided with a first notch groove 22, the left end and the right end of the fixed frame 2 are both provided with a second notch groove 25, the left end and the right end of the transverse moving plate 1 are both provided with a first moving plate 14, the first moving plate 14 is connected on the second notch groove 25 in a sliding manner, the upper end and the lower end of the vertical moving plate 3 are both provided with a second moving plate 38, the second moving plate 38 is connected on the first notch groove 22 in a sliding manner, the middle position of one end of the transverse moving plate 1 facing the first moving plate 14 is fixedly connected with a first trapezoidal fixture block 15, the middle position of the front end of the first moving plate 14 is provided with a first trapezoidal fixture groove 13, the first trapezoidal fixture block 15 is clamped in the first trapezoidal fixture groove 13, the middle position of one end of the vertical moving plate 3 facing the second moving plate 38 is fixedly connected with a fourth trapezoidal fixture block 36, the, specifically, in the moving process of the lateral moving plate 1, the first moving plate 14 can be moved along the second notch groove 25, so that the lateral moving plate 1 is guided, in the moving process of the vertical moving plate 3, the second moving plate 38 can be moved along the first notch groove 22, so that the vertical moving plate 3 is guided, through the first trapezoidal clamping groove 13 and the first trapezoidal clamping block 15, the first moving plate 14 and the vertical moving plate 3 can be quickly disassembled and assembled, the maintenance and the replacement are convenient, through the fourth trapezoidal clamping groove 37 and the fourth trapezoidal clamping block 36, the second moving plate can not be quickly disassembled and assembled with the lateral moving plate 1, and the maintenance and the replacement are convenient.
As an embodiment of the present invention: the first notch groove 22 is provided with a first sliding groove 21 facing one end of the fixed frame 2 and the first sliding groove 21 is arranged on the fixed frame 2, the second notch groove 25 is provided with a second sliding groove 23 facing one end of the fixed frame 2 and the second sliding groove 23 is arranged on the fixed frame 2, the rear side of the first moving plate 14 is fixedly connected with the first sliding strip 12 and the first sliding strip 12 to one end of the transverse moving plate 1 and is slidably connected inside the second sliding groove 23, the rear side of the second moving plate 38 is fixedly connected with the second sliding strip 35 and the second sliding strip 35 to one end of the vertical moving plate 3 and is slidably connected inside the first sliding groove 21, specifically, the first moving plate 14 is movably mounted on the second notch groove 25 of the fixed frame 2 through the first sliding strip 12 and the second sliding groove 23, and the second moving plate 38 is movably mounted on the first notch groove 22 of the fixed frame 2 through the second sliding strip 35 and the first sliding groove 21.
As an embodiment of the present invention: threaded holes 26 are all seted up to four edges and corners positions of fixed frame 2, and threaded holes 26 inside threaded connection double-screw bolt 27 and double-screw bolt 27 extend threaded holes 26 rear side, and double-screw bolt 27 rear end fixed connection sucking disc 24 specifically, through sucking disc 24, adsorbs fixed frame 2 on the drawing board, promotes fixed frame 2 installation stability, in addition through double-screw bolt 27 and threaded holes 26, realizes sucking disc 24's quick assembly disassembly, is convenient for maintain and change.
As an embodiment of the present invention: a mounting jack 471 for inserting a painting brush is formed in the middle of the rear end of the movable rod 47, and specifically, the painting brush is mounted at the rear end of the movable rod 47 through the mounting jack 471.
As an embodiment of the present invention: the middle position of one end of the pressing plate 41 facing the movable rod 47 is fixedly connected with the second sleeve 49, one end of the movable rod 47 facing the pressing plate 41 is in threaded connection with the second sleeve 49 and extends into the second sleeve 49, and particularly, the second sleeve 49 is used for realizing the quick assembly and disassembly of the movable rod 47 and the pressing plate 41, so that the pressing plate 41 or the spring 42 can be conveniently replaced and maintained.
As an embodiment of the present invention: the rear annular outer end of the movable rod 47 is in threaded connection with a second limit ring 46, and the second limit ring 46 is located at the rear end of the square sliding barrel 44, specifically, the forward moving position of the movable rod 47 is limited by the second limit ring 46.
As an embodiment of the present invention: a rubber pad 461 is arranged between the second limiting ring 46 and the square sliding barrel 44, and the rubber pad 461 is adhered to the front end of the second limiting ring 46, specifically, the second limiting ring 46 and the square sliding barrel 44 are prevented from directly colliding through the rubber pad 461, and the safety is good.
As an embodiment of the present invention: the end of the pressure plate 41 facing away from the movable rod 47 is bonded with a protective pad, and specifically, the pair of pressure plates 41 is protected by the protective pad.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. 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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A drawing tool for calculus curve modeling convenient to use, characterized in that: the movable type rack is characterized by comprising a fixed frame (2) with scale marks, wherein the front end of the fixed frame (2) is connected with a vertical moving plate (3) which is arranged up and down in a sliding manner, the front end of the vertical moving plate (3) is connected with a horizontal moving plate (1) which is arranged left and right in a sliding manner, the horizontal moving plate (1) is movably installed with the fixed frame (2), the horizontal moving plate (1) is provided with a first through groove (11) which is arranged left and right, the vertical moving plate (3) is processed with a second through groove (31) which is arranged up and down, the front end of the horizontal moving plate (1) is provided with an auxiliary assembly (4), and the auxiliary assembly (4) penetrates through the first through groove (11) of the horizontal moving plate;
the auxiliary assembly (4) comprises a movable rod (47), the annular outer end of the movable rod (47) is slidably connected with a first sleeve (48), a square sliding barrel (44) is fixed at the annular outer end of the first sleeve (48), the square sliding barrel (44) penetrates through a first through groove (11) of the transverse moving plate (1) and a second through groove (31) of the vertical moving plate (3) and is slidably connected with the first through groove (11) and a second through groove (31) respectively, the outer end of the rear side of the square sliding barrel (44) is fixedly connected with a square limiting plate (45) and the square limiting plate (45) is located at the rear end of the vertical moving plate (3), the front end of the movable rod (47) is provided with a pressing plate (41) and the pressing plate (41) is located at the front side of the first sleeve (48), the front annular outer end of the first sleeve (48) is in threaded connection with a first limiting ring (43) and the first limiting ring (43) is located at the front end of the transverse moving plate (1, a spring (42) is arranged between the first limiting ring (43) and the pressure plate (41), and a movable rod (47) is arranged on the inner side of the spring (42).
2. A convenient plotting tool for modeling a calculus curve as claimed in claim 1, wherein: first indicator board (16) are all installed to two wall intermediate positions about first logical groove (11) is inside, first indicator board (16) laminating first logical groove (11) inner wall one end intermediate position fixed connection second trapezoidal fixture block (17), two wall intermediate positions all set up second trapezoidal draw-in groove (18) and second trapezoidal draw-in groove (18) inside clamp second trapezoidal fixture block (17) about first logical groove (11) is inside, two wall intermediate positions all install second indicator board (32) about second logical groove (31) inside, second indicator board (32) laminating second logical groove (31) inner wall one end intermediate position fixed connection third trapezoidal fixture block (33), two wall intermediate positions all set up third trapezoidal draw-in groove (34) and third trapezoidal fixture block (33) inside clamp third trapezoidal draw-in groove (34) about second logical groove (31) is inside.
3. A convenient plotting tool for modeling a calculus curve as claimed in claim 1, wherein: the upper end and the lower end of the fixed frame (2) are respectively provided with a first notch groove (22), the left end and the right end of the fixed frame (2) are respectively provided with a second notch groove (25), the left end and the right end of the transverse moving plate (1) are respectively provided with a first moving plate (14), the first moving plate (14) is connected onto the second notch groove (25) in a sliding manner, the upper end and the lower end of the vertical moving plate (3) are respectively provided with a second moving plate (38), the second moving plate (38) is connected onto the first notch groove (22) in a sliding manner, the middle position of one end, facing the first moving plate (14), of the transverse moving plate (1) is fixedly connected with a first trapezoidal fixture block (15), the middle position of the front end of the first moving plate (14) is provided with a first trapezoidal clamping groove (13), the first trapezoidal fixture block (15) is clamped in the first trapezoidal clamping groove (13), the middle position of one end, facing the second moving plate, a fourth trapezoidal clamping groove (37) is formed in the middle of the front end of the second moving plate (38), and a fourth trapezoidal clamping block (36) is clamped in the fourth trapezoidal clamping groove (37).
4. A convenient plotting tool for modeling a calculus curve as claimed in claim 3, wherein: first breach groove (22) set up first spout (21) and first spout (21) towards fixed frame (2) one end and set up on fixed frame (2), second breach groove (25) set up second spout (23) and second spout (23) towards fixed frame (2) one end and set up on fixed frame (2), first movable plate (14) trailing flank is inside second spout (23) to first draw runner (12) of horizontal movable plate (1) one end fixed connection and first draw runner (12), second movable plate (38) trailing flank is inside first spout (21) to vertical movable plate (3) one end fixed connection second draw runner (35) and second draw runner (35) sliding connection.
5. A convenient plotting tool for modeling a calculus curve as claimed in claim 1, wherein: threaded holes (26) are formed in four corner positions of the fixing frame (2), a threaded stud (27) is connected with the inner threads of the threaded holes (26), the threaded stud (27) extends out of the rear side of the threaded holes (26), and a sucking disc (24) is fixedly connected with the rear end of the threaded stud (27).
6. A convenient plotting tool for modeling a calculus curve as claimed in claim 1, wherein: and a mounting jack (471) for inserting a painting brush is formed in the middle position of the rear end of the movable rod (47).
7. A convenient plotting tool for modeling a calculus curve as claimed in claim 1, wherein: the pressing plate (41) faces the middle position of one end of the movable rod (47) and is fixedly connected with a second sleeve (49), and one end of the movable rod (47) faces the pressing plate (41) and is in threaded connection with the second sleeve (49) and extends into the second sleeve (49).
8. A convenient plotting tool for modeling a calculus curve as claimed in claim 1, wherein: the annular outer end of the rear side of the movable rod (47) is in threaded connection with a second limiting ring (46), and the second limiting ring (46) is located at the rear end of the square sliding barrel (44).
9. A convenient plotting tool for modeling a calculus curve as claimed in claim 1, wherein: a rubber pad (461) is arranged between the second limiting ring (46) and the square sliding barrel (44), and the rubber pad (461) is adhered to the front end of the second limiting ring (46).
10. A convenient plotting tool for modeling a calculus curve as claimed in claim 1, wherein: and one end of the pressure plate (41) departing from the movable rod (47) is bonded with a protective pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010646435.9A CN111806124A (en) | 2020-07-07 | 2020-07-07 | Calculus curve modeling is with drawing instrument convenient to use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010646435.9A CN111806124A (en) | 2020-07-07 | 2020-07-07 | Calculus curve modeling is with drawing instrument convenient to use |
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| Publication Number | Publication Date |
|---|---|
| CN111806124A true CN111806124A (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010646435.9A Pending CN111806124A (en) | 2020-07-07 | 2020-07-07 | Calculus curve modeling is with drawing instrument convenient to use |
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| CN204451728U (en) * | 2015-01-27 | 2015-07-08 | 南京工业职业技术学院 | Original function demonstration and Plotting of Integra curve instrument |
| CN107839387A (en) * | 2017-10-23 | 2018-03-27 | 董国玉 | A kind of mathematics drawing teaching aid |
| CN208946943U (en) * | 2018-09-02 | 2019-06-07 | 萍乡市上栗中学 | A kind of mathematical function limit plotting unit |
| CN110126518A (en) * | 2019-06-14 | 2019-08-16 | 陕西理工大学 | A kind of geometry line-plotting device |
| CN210337393U (en) * | 2019-08-23 | 2020-04-17 | 宋丽芳 | Typesetting simulation board for webpage design |
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2020
- 2020-07-07 CN CN202010646435.9A patent/CN111806124A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH405036A (en) * | 1960-07-12 | 1965-12-31 | Zeiss Jena Veb Carl | Lever mechanism |
| CN204451728U (en) * | 2015-01-27 | 2015-07-08 | 南京工业职业技术学院 | Original function demonstration and Plotting of Integra curve instrument |
| CN107839387A (en) * | 2017-10-23 | 2018-03-27 | 董国玉 | A kind of mathematics drawing teaching aid |
| CN208946943U (en) * | 2018-09-02 | 2019-06-07 | 萍乡市上栗中学 | A kind of mathematical function limit plotting unit |
| CN110126518A (en) * | 2019-06-14 | 2019-08-16 | 陕西理工大学 | A kind of geometry line-plotting device |
| CN210337393U (en) * | 2019-08-23 | 2020-04-17 | 宋丽芳 | Typesetting simulation board for webpage design |
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Application publication date: 20201023 |
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| RJ01 | Rejection of invention patent application after publication |