CN216885986U - Drawing device for mathematical modeling - Google Patents
Drawing device for mathematical modeling Download PDFInfo
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- CN216885986U CN216885986U CN202220101072.5U CN202220101072U CN216885986U CN 216885986 U CN216885986 U CN 216885986U CN 202220101072 U CN202220101072 U CN 202220101072U CN 216885986 U CN216885986 U CN 216885986U
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- drawing device
- scale plate
- mathematical modeling
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- 230000000694 effects Effects 0.000 claims abstract description 29
- 229920001875 Ebonite Polymers 0.000 claims abstract description 13
- 230000009471 action Effects 0.000 claims description 12
- 210000003813 thumb Anatomy 0.000 claims description 4
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000002457 bidirectional effect Effects 0.000 abstract description 6
- 230000007246 mechanism Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000013178 mathematical model Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a drawing device for mathematical modeling, which comprises an angle scale plate, wherein a bearing at the lower end of the angle scale plate is connected with a rubber sucker, a hard rubber pad is fixed on the upper end surface of the angle scale plate, and a fixed rod is fixed on the angle scale plate; further comprising: the cross rod is rotatably connected to the angle scale plate through a columnar shaft, a first pointer is further fixed at the tail end of the cross rod, a movable rod is arranged on the cross rod, and a pull rod is arranged above the movable rod; and the fixed box is fixed on the lower end face of the movable rod, and a bearing on the fixed box is connected with a bidirectional threaded rod. This drawing device for mathematical modeling adopts the angle modulation effect that has angle modulation positioning mechanism realizing device to conveniently realize drawing the lines of different angles, but the circular drawing device of adjustable radius of cooperation conveniently realizes that not unidimensional circular draws, guarantees the accuracy of figure, and then conveniently solves relevant actual problem.
Description
Technical Field
The utility model relates to the technical field of drawing devices, in particular to a drawing device for mathematical modeling.
Background
The mathematical modeling is to analyze and research actual problems by using a related mathematical model, express the problems more intuitively through graphs so as to solve the problems, and draw the problems through a drawing device when modeling is performed, wherein the existing drawing device for mathematical modeling has certain defects when in use, such as the defects;
when the portable drawing device for mathematical modeling, disclosed in the publication No. CN110303803A, is carried, the lengthening ruler and the lengthening cylindrical feeler gauge are contracted into the main ruler, and then the auxiliary ruler is folded onto the auxiliary ruler clamping groove of the main ruler, so that the volume is reduced to only the size of the main ruler, and the portable drawing device is convenient to carry;
mathematical model is at blackboard drawing in-process, need draw through relevant instrument, at the drawing in-process, when the lines drawing to different angles, the inconvenient regulation of current drawing device to lead to the inaccurate problem of angle drawing, and when drawing to the circle, the inconvenience of current device is injectd the circular arc radius, thereby is difficult to draw out the figure of size according to actual demand, so need improve in order to satisfy actual demand to above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a drawing device for mathematical modeling, which aims to solve the problem of inaccurate drawing caused by inconvenient angle adjustment and inconvenient arc radius determination in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a drawing device for mathematical modeling comprises an angle scale plate, wherein a rubber sucker is connected to a bearing at the lower end of the angle scale plate, a hard rubber pad is fixed on the upper end face of the angle scale plate, and a fixed rod is fixed on the angle scale plate;
further comprising:
the cross rod is rotatably connected to the angle scale plate through a columnar shaft, a first pointer is further fixed at the tail end of the cross rod, a movable rod is arranged on the cross rod, and a pull rod is arranged above the movable rod;
the fixed box is fixed terminal surface under the movable rod, and fixed box upper bearing is connected with two-way threaded rod to two-way threaded rod end is fixed with the thumb wheel and is used for the regulatory action, and two-way threaded rod passes through screw thread and adjustable shelf interconnect simultaneously, the adjustable shelf runs through fixed box and slides.
Preferably, still sliding connection has the locating lever on the horizontal pole, and the locating lever end is the taper type structure to the locating lever realizes the positioning action with ebonite pad mutually supporting, when drawing the lines of different angles, through the cooperation positioning action between locating lever and the ebonite pad, can realize the angle modulation, conveniently confirms the lines angle, guarantees the accuracy of lines angle drawing.
Preferably, still be fixed with first spring on the horizontal pole, and first spring is run through by the horizontal pole to the first spring other end is fixed on the horizontal pole, when adjusting the location to the angle of device, provides the effort through the elastic action of first spring, thereby guarantees the stability after the angle location.
Preferably, a convex shaft and a second pointer are further fixed on the movable rod;
the convex shafts are symmetrically fixed on two sides of the movable rod, are connected to the cross rod in a sliding manner, and are of arc-shaped structures at the tail ends;
the second pointer, the symmetry is fixed the movable rod both sides, when the movable rod removed, can confirm the circular shape radius through the scale on the second pointer cooperation horizontal pole, the slip limiting displacement between cooperation protruding axle and the horizontal pole can guarantee that the movable rod removes the stability of in-process.
Preferably, the pull rod is further provided with a vertical rod and a second spring;
the vertical rod is vertically fixed on the lower end face of the pull rod and is connected to the movable rod in a sliding manner;
the second spring is fixed on the lower end face of the vertical rod, the other end of the second spring is fixed on the movable rod, and when the pull rod moves, acting force can be provided for automatic resetting of the vertical rod through the sliding guide effect between the vertical rod and the movable rod and the elastic effect of the second spring.
Preferably, the terminal surface still symmetry is fixed with the gag lever post under the pull rod, and the gag lever post runs through the movable rod and slides to the positioning action is realized with the mutual block of horizontal pole to the gag lever post, to circular radius accommodation process, can realize the positioning action through the block effect between gag lever post and the horizontal pole, thereby conveniently realizes drawing not unidimensional circular, guarantees the accuracy of size.
Preferably, the lower end of the movable frame is further fixed with clamping plates which are symmetrically distributed about the center line of the fixed box and are of arc-shaped structures, and the clamping mechanism is formed by the clamping mechanism, so that the clamping and fixing effects on the chalk can be realized, and the drawing effect of the pattern can be conveniently realized.
Compared with the prior art, the utility model has the beneficial effects that: this drawing device for mathematical modeling adopts the angle modulation effect that has angle modulation positioning mechanism realizing device to the convenient realization is painted the lines of different angles, but the circular drawing device of cooperation adjustable radius conveniently realizes that not unidimensional circular draws, guarantees the accuracy of figure, and then conveniently solves relevant actual problem, and its concrete content is as follows:
1. the drawing device for mathematical modeling is provided with the positioning rod, when lines at different angles are drawn, the positioning action is removed by pulling the positioning rod, the angle between the cross rod and the fixing rod can be adjusted by matching the rotating action of the cross rod, and after the adjustment is finished, the positioning rod is matched with the hard rubber pad for positioning by providing acting force through the first spring, so that the lines at different angles can be conveniently drawn;
2. this drawing device for mathematical modeling is provided with the movable rod, when drawing to circular, through the pulling pull rod, makes gag lever post and horizontal pole separation relieve the positioning action, fixes a position circular radius in the sliding action through the movable rod and the indicative function convenience of second pointer to guarantee the accuracy of circular drawing.
Drawings
FIG. 1 is a schematic view of a front view structure of an angle scale plate according to the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic top view of the angle scale plate according to the present invention;
FIG. 4 is a side view cross-sectional structure of the cross bar of the present invention;
fig. 5 is a schematic perspective view of the fixing box of the present invention.
In the figure: 1. an angle scale plate; 2. a rubber suction cup; 3. a hard rubber pad; 4. a cross bar; 401. positioning a rod; 5. a first spring; 6. a first pointer; 7. fixing the rod; 8. a movable rod; 801. a protruding shaft; 802. a second pointer; 9. a pull rod; 901. a vertical rod; 902. a second spring; 10. a limiting rod; 11. a fixed box; 12. a bidirectional threaded rod; 13. a thumb wheel; 14. a movable frame; 1401. and (4) clamping the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a drawing device for mathematical modeling comprises an angle scale plate 1, wherein a rubber sucker 2 is connected to the lower end of the angle scale plate 1 through a bearing, a hard rubber pad 3 is fixed on the upper end face of the angle scale plate 1, and a fixed rod 7 is fixed on the angle scale plate 1;
the cross rod 4 is also connected with a positioning rod 401 in a sliding manner, the tail end of the positioning rod 401 is of a conical structure, and the positioning rod 401 is matched with the hard rubber pad 3 to realize a positioning effect; the cross rod 4 is also fixed with a first spring 5, the first spring 5 is penetrated by the cross rod 4, and the other end of the first spring 5 is fixed on the cross rod 4.
In the process of using the drawing device for mathematical modeling, when lines with different angles need to be drawn, firstly, the angle between the cross rod 4 and the fixed rod 7 needs to be adjusted, at the moment, the positioning rod 401 is separated from the hard rubber pad 3 by pulling the positioning rod 401, so that the positioning effect is removed, then, the cross rod 4 is rotated, the size of the angle between the cross rod 4 and the fixed rod 7 can be determined by matching the first pointer 6 with the scale on the angle scale plate 1, after the adjustment is completed, the positioning rod 401 is released, the positioning rod 401 is restored to the original position under the action of the first spring 5, the fixation is realized by the matching effect of the positioning rod 401 and the hard rubber pad 3, the stability of the angle between the cross rod 4 and the fixed rod 7 is ensured, the straight lines with different angles can be drawn along the cross rod 4 and the fixed rod 7 by chalk after being adsorbed on the blackboard by the rubber sucker 2, and the length of the line segment can be determined through the scales on the cross rod 4 and the fixed rod 7.
Further comprising:
the cross rod 4 is rotatably connected to the angle scale plate 1 through a columnar shaft, a first pointer 6 is further fixed at the tail end of the cross rod 4, a movable rod 8 is arranged on the cross rod 4, and a pull rod 9 is arranged above the movable rod 8;
fixed case 11 is fixed at activity pole 8 lower extreme face, and fixed case 11 upper bearing is connected with two-way threaded rod 12 to 12 ends of two-way threaded rod are fixed with thumb wheel 13 and are used for the regulating action, and two-way threaded rod 12 passes through screw and adjustable shelf 14 interconnect simultaneously, and adjustable shelf 14 runs through fixed case 11 and slides.
The movable rod 8 is also fixed with a convex shaft 801 and a second pointer 802; the convex shafts 801 are symmetrically fixed on two sides of the movable rod 8, the convex shafts 801 are connected to the cross rod 4 in a sliding mode, and the tail ends of the convex shafts 801 are of arc-shaped structures; the second pointer 802 is symmetrically fixed on two sides of the movable rod 8; a vertical rod 901 and a second spring 902 are also arranged on the pull rod 9; the vertical rod 901 is vertically fixed on the lower end face of the pull rod 9, and the vertical rod 901 is connected to the movable rod 8 in a sliding manner; the second spring 902 is fixed on the lower end face of the vertical rod 901, and the other end of the second spring 902 is fixed on the movable rod 8; the lower end face of the pull rod 9 is also symmetrically fixed with a limiting rod 10, the limiting rod 10 penetrates through the movable rod 8 to slide, and the limiting rod 10 and the cross rod 4 are mutually clamped to realize a positioning effect; the lower end of the movable frame 14 is also fixed with a clamping plate 1401, the clamping plate 1401 is symmetrically distributed around the central line of the fixed box 11, and the clamping plate 1401 is in an arc structure.
When a circle needs to be drawn, the circle radius is determined, the pull rod 9 is pulled to drive the limiting rod 10 to move, when the limiting rod 10 is separated from the cross rod 4, the fixing effect is removed, the movable rod 8 is pushed, the position of the movable rod 8 can be adjusted through the sliding effect between the convex shaft 801 and the cross rod 4, the length of the radius can be determined through the matching of the second pointer 802 and the scale on the cross rod 4, after the adjustment is completed, the pull rod 9 is loosened, the pull rod 9 can be restored to the original position through the matching of the effect of the second spring 902 and the sliding effect of the vertical rod 901, the limiting rod 10 is restored to the original position, the chalk can be fixed through the clamping and positioning effect between the limiting rod 10 and the cross rod 4, the chalk is placed between the clamping plates 1401, the bidirectional threaded rod 12 is driven to rotate through the rotating shifting wheel 13, the movable frame 14 is driven to move through the threaded connection effect between the bidirectional threaded rod 12 and the movable frame 14, and then drive splint 1401 and remove, realize the centre gripping of chalk fixed can, adsorb the device on the blackboard through rubber suction 2, rotate horizontal pole 4 and drive the chalk and rotate to realize circular drawing effect.
The working principle is as follows: as shown in fig. 1 to 5, in the process of using the drawing device for mathematical modeling, when lines with different angles need to be drawn, firstly, the angle between the cross rod 4 and the fixing rod 7 needs to be adjusted, at this time, the positioning rod 401 is pulled to remove the positioning effect, then, the cross rod 4 is rotated, the size of the angle between the cross rod 4 and the fixing rod 7 can be determined by matching the first pointer 6 with the scale on the angle scale plate 1, after the adjustment is completed, the positioning rod 401 and the hard rubber pad 3 are matched with each other under the action of the first spring 5 to realize the fixing effect, the stability of the angle between the cross rod 4 and the fixing rod 7 is ensured, the lines with different angles can be drawn along the cross rod 4 and the fixing rod 7 by chalk, and the length of the line can be determined by the scale on the cross rod 4 and the fixing rod 7; when a circle needs to be drawn, the radius of the circle is determined, when the pull rod 9 is pulled to separate the limiting rod 10 from the cross rod 4, the fixing effect is removed, the movable rod 8 is pushed, the length of the radius can be determined by matching the second pointer 802 with the scale on the cross rod 4, after the adjustment is completed, the pull rod 9 and the limiting rod 10 are restored to the original position through the effect of the second spring 902, the fixing effect can be achieved through the clamping and positioning effect between the limiting rod 10 and the cross rod 4, the chalk is placed between the clamping plates 1401, the bidirectional threaded rod 12 is driven to rotate through the rotation of the poking wheel 13, the movable frame 14 is driven to move through the threaded connection effect between the bidirectional threaded rod 12 and the movable frame 14, the clamping plates 1401 are driven to move, the chalk is clamped and fixed, the device is adsorbed on the blackboard through the rubber sucker 2, the cross rod 4 is rotated to drive the chalk to rotate (at the moment, the fixing effect is achieved between the cross rod 4 and the angle scale plate 1), thereby realizing the drawing effect of the circle, which is the working principle of the drawing device for mathematical modeling.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The drawing device for mathematical modeling comprises an angle scale plate (1), wherein a rubber sucker (2) is connected to a bearing at the lower end of the angle scale plate (1), a hard rubber pad (3) is fixed on the upper end face of the angle scale plate (1), and a fixed rod (7) is fixed on the angle scale plate (1);
it is characterized by also comprising:
the angle scale plate (1) is rotatably connected with the cross rod (4) through a cylindrical shaft, a first pointer (6) is further fixed at the tail end of the cross rod (4), a movable rod (8) is arranged on the cross rod (4), and a pull rod (9) is arranged above the movable rod (8);
fixed case (11) is fixed terminal surface under movable rod (8), and bearing connection has two-way threaded rod (12) on fixed case (11) to two-way threaded rod (12) end is fixed with thumb wheel (13) and is used for the regulatory action, and two-way threaded rod (12) pass through screw and adjustable shelf (14) interconnect simultaneously, adjustable shelf (14) run through fixed case (11) and slide.
2. The drawing device for mathematical modeling according to claim 1, wherein: still sliding connection has locating lever (401) on horizontal pole (4), and locating lever (401) end is the taper type structure to locating lever (401) and ebonite pad (3) mutually support and realize the positioning action.
3. The drawing device for mathematical modeling according to claim 1, wherein: the cross rod (4) is further fixedly provided with a first spring (5), the first spring (5) is penetrated through by the cross rod (4), and the other end of the first spring (5) is fixed on the cross rod (4).
4. The drawing device for mathematical modeling according to claim 1, wherein: a convex shaft (801) and a second pointer (802) are further fixed on the movable rod (8);
the convex shafts (801) are symmetrically fixed on two sides of the movable rod (8), the convex shafts (801) are connected to the cross rod (4) in a sliding mode, and the tail ends of the convex shafts (801) are of arc-shaped structures;
and the second pointers (802) are symmetrically fixed on two sides of the movable rod (8).
5. The drawing device for mathematical modeling according to claim 1, wherein: the pull rod (9) is also provided with a vertical rod (901) and a second spring (902);
the vertical rod (901) is vertically fixed on the lower end face of the pull rod (9), and the vertical rod (901) is connected to the movable rod (8) in a sliding manner;
the second spring (902) is fixed on the lower end face of the vertical rod (901), and the other end of the second spring (902) is fixed on the movable rod (8).
6. The drawing device for mathematical modeling according to claim 1, wherein: the lower end face of the pull rod (9) is further symmetrically fixed with limiting rods (10), the limiting rods (10) penetrate through the movable rod (8) to slide, and the limiting rods (10) are mutually clamped with the cross rod (4) to achieve the positioning effect.
7. The drawing device for mathematical modeling according to claim 1, wherein: the lower end of the movable frame (14) is also fixed with a splint (1401), the splint (1401) is symmetrically distributed around the central line of the fixed box (11), and the splint (1401) has an arc structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220101072.5U CN216885986U (en) | 2022-01-15 | 2022-01-15 | Drawing device for mathematical modeling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220101072.5U CN216885986U (en) | 2022-01-15 | 2022-01-15 | Drawing device for mathematical modeling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216885986U true CN216885986U (en) | 2022-07-05 |
Family
ID=82212490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220101072.5U Expired - Fee Related CN216885986U (en) | 2022-01-15 | 2022-01-15 | Drawing device for mathematical modeling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216885986U (en) |
-
2022
- 2022-01-15 CN CN202220101072.5U patent/CN216885986U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220705 |
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| CF01 | Termination of patent right due to non-payment of annual fee |