CN219650910U

CN219650910U - Curve drawing auxiliary tool

Info

Publication number: CN219650910U
Application number: CN202320827095.9U
Authority: CN
Inventors: 杨宏
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-13
Filing date: 2023-04-13
Publication date: 2023-09-08
Anticipated expiration: 2033-04-13

Abstract

The utility model discloses a curve drawing auxiliary tool which comprises a mounting plate, wherein a rotating shaft is fixedly arranged at the top end of the mounting plate, a rotating plate is rotatably connected to the outer surface of the rotating shaft, adjusting components are respectively arranged on the left side and the right side of the rotating plate, and each adjusting component comprises a mounting groove, a movable groove, a threaded rod, a threaded block, a driving gear, a driven gear, a rotating rod and a hand wheel. Through arranging the clamping assemblies, the two disc wheels are respectively rotated to respectively drive the two first clamping plates to be close to the chalks, so that the chalks with different sizes can be fixed; through setting up adjusting part, rotate two hand wheels respectively, two threaded rods rotate and drive two screw thread pieces respectively and remove, make the distance between solid fixed ring to the fixed plate change to change round fixed plate pivoted radius's size, carry out the drawing of creation curve through changing radius size. Through setting up the marking line, drawing that can accurate curve improves teaching efficiency.

Description

Curve drawing auxiliary tool

Technical Field

The utility model relates to the technical field of drawing tools, in particular to a curve drawing auxiliary tool.

Background

In universities 'learning subjects, the calculus is an unavoidable subject to be learned, and the micro-curve is a quite important knowledge point in the calculus subjects, therefore, in universities' teaching, teachers often need to draw some graphs on the blackboard to more clearly express the knowledge points to be learned, and in the course of drawing the graphs by the teachers, in order to be able to draw the graphs to be better standard and beautiful, some work of drawing the graphs is needed.

CN111532062a discloses a curve drawing board for university mathematics, comprising: the intelligent mobile terminal comprises a box body, wherein a semi-transparent plate is arranged on the outer side face of the box body, a miniature projection device is arranged in the box body, a projection lens of the miniature projection device is arranged on the semi-transparent plate, a signal connector and a control switch assembly are arranged on the box body, the miniature projection device is externally connected with a power supply through the control switch assembly and a power supply wire, the intelligent mobile terminal is connected with the miniature projection device through the signal connector in a signal mode, a limiting device capable of limiting the intelligent mobile terminal is further arranged on the box body, and the curve drawing board for university mathematics can be used for drawing curves in a rapid standard mode, and is convenient and fast to use.

The existing curve drawing auxiliary tool cannot fix chalks with different sizes, the radius cannot be changed at will to draw curves, and the curve drawing precision is low. Therefore, a curve drawing aid is proposed for the above-mentioned problems.

Disclosure of Invention

The curve drawing auxiliary tool is used for solving the problems that the existing curve drawing auxiliary tool cannot fix chalks with different sizes, the radius cannot be changed at will to draw curves, and the curve drawing accuracy is low.

According to one aspect of the utility model, there is provided a curve drawing auxiliary tool, which comprises a mounting plate, the top of mounting plate is fixedly provided with a rotating shaft, the surface of the rotating shaft is rotationally connected with a rotating plate, the left side and the right side of the rotating plate are respectively provided with an adjusting component, the adjusting component comprises a mounting groove, a movable groove, a threaded rod, a thread block, a driving gear, a driven gear, a rotating rod and a hand wheel, one side of the rotating plate is internally provided with the mounting groove and the movable groove, the inner cavity of the movable groove is rotationally connected with the threaded rod through a bearing, the outer surface of the threaded rod is in threaded connection with the thread block, one side of the threaded rod is fixedly connected with the driven gear through the inner cavity extending to the mounting groove, one side of the driven gear is in meshed connection with the driving gear, the inside of the rotating plate is rotationally connected with the rotating rod through a bearing, the bottom end of the rotating rod is fixedly connected with the driving gear, and the top end of the rotating rod is fixedly connected with the hand wheel.

Further, the inner cavity of the movable groove is fixedly provided with a guide rod, the outer surface of the guide rod is connected with a guide block in a sliding manner, and one side of the guide block is fixedly connected with the thread block.

Further, the guide rod is fixedly connected with a fixed ring at the outer end of the movable groove, and one end of the fixed ring is fixedly connected with a pointer.

Further, a marking line is arranged on one side of the top end of the rotating plate, and the pointer is positioned on one side of the marking line.

Further, the inside of solid fixed ring is provided with the clamping assembly, the clamping assembly includes first grip block, second grip block, fixing base, fixing screw and disc wheel, gu fixed ring's inner chamber has the second grip block through fixing base fixed mounting, gu fixed ring's one side is connected with fixing screw through the screw groove rotation, fixing screw extends to gu fixed ring's inner chamber and rotates with first grip block through the bearing and be connected, one side fixedly connected with disc wheel of fixing screw.

Further, two sliding grooves are symmetrically formed in the inner cavities of the two fixing rings respectively, sliding blocks are fixedly arranged on the left side and the right side of the two first clamping plates respectively, and the four sliding grooves are connected with the sliding blocks in a sliding mode respectively.

Further, a fixed plate is fixedly arranged at the top end of the rotating shaft, and a handle is fixedly arranged at the top end of the fixed plate.

Further, the bottom fixed mounting of mounting panel has the sucking disc.

According to the embodiment of the utility model, the clamping assemblies are arranged, the two disc wheels are respectively rotated to respectively drive the two first clamping plates to be close to the chalks, so that the chalks with different sizes can be fixed; through setting up adjusting part, rotate two hand wheels respectively, two threaded rods rotate and drive two screw thread pieces respectively and remove, make the distance between solid fixed ring to the fixed plate change to change round fixed plate pivoted radius's size, carry out the drawing of creation curve through changing radius size. Through setting up the marking line, drawing that can accurate curve improves teaching efficiency.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a front view of an embodiment of the present utility model;

FIG. 3 is a schematic top view of an embodiment of the present utility model;

fig. 4 is an enlarged view illustrating an inner structure of a fixing ring according to an embodiment of the present utility model.

In the figure: 1. a screw block; 2. a mounting groove; 3. a drive gear; 4. a hand wheel; 5. a pointer; 6. a threaded rod; 7. a fixing plate; 8. a handle; 9. a movable groove; 10. a fixing ring; 11. a rotating lever; 12. a driven gear; 13. a mounting plate; 14. a suction cup; 15. a rotating shaft; 16. a rotating plate; 17. a fixed screw; 18. a disc wheel; 19. a first clamping plate; 20. a slide block; 21. a fixing seat; 22. a second clamping plate; 23. a chute; 24. a guide block; 25. a guide rod; 26. marking lines.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the utility model herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Referring to fig. 1-4, an auxiliary tool for curve drawing includes a mounting plate 13, a rotating shaft 15 is fixedly mounted at the top end of the mounting plate 13, a rotating plate 16 is rotatably connected to the outer surface of the rotating shaft 15, adjusting components are respectively arranged at the left side and the right side of the rotating plate 16, each adjusting component comprises a mounting groove 2, a movable groove 9, a threaded rod 6, a thread block 1, a driving gear 3, a driven gear 12, a rotating rod 11 and a hand wheel 4, the mounting groove 2 and the movable groove 9 are internally arranged at one side of the rotating plate 16, the threaded rod 6 is rotatably connected to an inner cavity of the movable groove 9 through a bearing, the thread block 1 is screwed to the outer surface of the threaded rod 6, the driven gear 12 is fixedly connected to the inner cavity of the mounting groove 2, the driving gear 3 is meshed and connected to one side of the driven gear 12, the rotating plate 16 is rotatably connected with the rotating rod 11 through a bearing, the bottom end of the rotating rod 11 is fixedly connected with the driving gear 3, and the hand wheel 4 is fixedly connected to the outer end of the rotating plate at the top end of the rotating rod 11.

The inner cavity of the movable groove 9 is fixedly provided with a guide rod 25, the outer surface of the guide rod 25 is slidably connected with a guide block 24, and one side of the guide block 24 is fixedly connected with the thread block 1.

The guide rod 25 is fixedly connected with a fixed ring 10 at the outer end of the movable groove 9, and one end of the fixed ring 10 is fixedly connected with a pointer 5.

A marking line 26 is arranged on one side of the top end of the rotating plate 16, and the pointer 5 is positioned on one side of the marking line 26.

The inside of solid fixed ring 10 is provided with the clamping assembly, the clamping assembly includes first grip block 19, second grip block 22, fixing base 21, fixing screw 17 and disc wheel 18, the inner chamber of solid fixed ring 10 has second grip block 22 through fixing base 21 fixed mounting, one side of solid fixed ring 10 is connected with fixing screw 17 through the screw groove rotation, fixing screw 17 extends to the inner chamber of solid fixed ring 10 and rotates with first grip block 19 through the bearing and be connected, one side fixedly connected with disc wheel 18 of fixing screw 17.

Two sliding grooves 23 are symmetrically formed in the inner cavities of the two fixing rings 10, sliding blocks 20 are fixedly arranged on the left side and the right side of the two first clamping plates 19 respectively, and four sliding grooves 23 are connected with the four sliding blocks 20 in a sliding mode respectively.

The top of pivot 15 fixed mounting has fixed plate 7, the top fixed mounting of fixed plate 7 has handle 8.

The bottom end of the mounting plate 13 is fixedly provided with a sucker 14.

When the utility model is used, two chalks are sequentially placed in the fixed ring 10 in advance, the two disc wheels 18 are respectively rotated, the two disc wheels 18 are rotated to drive the fixed screw rods 17 to rotate, the two fixed screw rods 17 are limited by the sliding grooves 24 and the sliding blocks 20 to respectively drive the two first clamping plates 19 to approach the chalks until the two chalks are tightly attached to the two first clamping plates 19 and the second clamping plates 22, so that chalks with different sizes can be fixed, the suckers 14 are adsorbed on the blackboard, at the moment, the chalks in the fixed ring 10 leave curve-shaped patterns on the blackboard according to the moving direction, the two hand wheels 4 are respectively rotated, the two hand wheels 4 are rotated to drive the rotating rods 11 to rotate, the two rotating rods 11 are driven by the driving gears 3 and the driven gears 12 to drive the threaded rods 6 to rotate, the threaded blocks 1 are driven by the rotation of the two threaded rods 6, the distance between the fixed ring 10 and the fixed plate 7 is changed, the radius of rotation around the fixed plate 7 is changed, curve creation is performed by changing the radius, and the curve creation is performed by setting the marking line 27, so that the teaching efficiency is improved.

The utility model has the advantages that:

1. through setting up the clamping assembly, rotate two disc wheels 18 respectively, two disc wheels 18 rotate and drive fixing screw 17 rotation, and two fixing screw 17 drive two first grip blocks 19 respectively and are close to the chalk under the spacing of spout 24 and slider 20, until two chalks and two first grip blocks 19 and second grip block 22 are tightly laminated to can fix the chalk of equidimension not.

2. Through setting up adjusting part, rotate two hand wheels 4 respectively, two hand wheels 4 rotate and drive dwang 11 and rotate, and two dwang 11 drive threaded rod 6 through driving gear 3, driven gear 12 and rotate, and two threaded rod 6 rotate and drive screw thread piece 1 and remove, make the distance between fixed ring 10 to fixed plate 7 change to change round the size of fixed plate 7 pivoted radius, carry out the drawing of creation curve through changing the radius size.

3. By providing the marking line 27, drawing of a precise curve can be performed, and teaching efficiency can be improved.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A curve drawing appurtenance, its characterized in that: including mounting panel (13), the top fixed mounting of mounting panel (13) has pivot (15), the surface rotation of pivot (15) is connected with rotor plate (16), the left and right sides of rotor plate (16) is provided with adjusting part respectively, adjusting part includes mounting groove (2), movable groove (9), threaded rod (6), thread block (1), driving gear (3), driven gear (12), dwang (11) and hand wheel (4), one side inside of rotor plate (16) is provided with mounting groove (2) and movable groove (9), the inner chamber of movable groove (9) is connected with threaded rod (6) through the bearing rotation, the surface threaded connection of threaded rod (6) has thread block (1), one side of threaded rod (6) extends to the inner chamber fixedly connected with driven gear (12) of mounting groove (2), one side meshing of driven gear (12) is connected with driving gear (3), the inside of rotor plate (16) is rotated through the bearing and is connected with dwang (11), the bottom and driving gear (3) fixedly connected with threaded rod (11), the hand wheel (4) are located outer end of rotor plate (11).

2. A curve plotting aid as claimed in claim 1, characterized in that: the inner cavity of the movable groove (9) is fixedly provided with a guide rod (25), the outer surface of the guide rod (25) is connected with a guide block (24) in a sliding manner, and one side of the guide block (24) is fixedly connected with the threaded block (1).

3. A curve plotting aid as claimed in claim 2, characterized in that: the guide rod (25) is fixedly connected with a fixed ring (10) at the outer end of the movable groove (9), and a pointer (5) is fixedly connected with one end of the fixed ring (10).

4. A curve plotting aid as claimed in claim 3, characterized in that: a marking line (26) is arranged on one side of the top end of the rotating plate (16), and the pointer (5) is positioned on one side of the marking line (26).

5. A curve plotting aid as claimed in claim 3, characterized in that: the inside of solid fixed ring (10) is provided with clamping assembly, clamping assembly includes first grip block (19), second grip block (22), fixing base (21), fixing screw (17) and disc wheel (18), the inner chamber of solid fixed ring (10) has second grip block (22) through fixing base (21) fixed mounting, one side of solid fixed ring (10) is connected with fixing screw (17) through the screw groove rotation, the inner chamber that fixing screw (17) extend to solid fixed ring (10) is connected through bearing and first grip block (19) rotation, one side fixedly connected with disc wheel (18) of fixing screw (17).

6. The curve plotting aid according to claim 5, wherein: two sliding grooves (23) are symmetrically formed in the inner cavities of the two fixing rings (10), sliding blocks (20) are fixedly arranged on the left side and the right side of the two first clamping plates (19) respectively, and four sliding grooves (23) are connected with the four sliding blocks (20) in a sliding mode respectively.

7. A curve plotting aid as claimed in claim 1, characterized in that: the top of pivot (15) fixed mounting has fixed plate (7), the top fixed mounting of fixed plate (7) has handle (8).

8. A curve plotting aid as claimed in claim 1, characterized in that: the bottom end of the mounting plate (13) is fixedly provided with a sucker (14).