CN219256900U

CN219256900U - Drawing tool

Info

Publication number: CN219256900U
Application number: CN202320225044.9U
Authority: CN
Inventors: 卢桂萍; 钟宇涛; 林仲萱; 叶桂江; 郑胜界; 杜忆琳
Original assignee: Beijing Institute of Technology Zhuhai
Current assignee: Beijing Institute of Technology Zhuhai
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-06-27
Anticipated expiration: 2033-02-13

Abstract

The utility model discloses a drawing tool, which comprises a first substrate and a second substrate, wherein the first substrate is positioned at the top end of the second substrate, a touch display is fixedly arranged at the front part of the top end of the first substrate, a ranging probe I is fixedly arranged at the middle of the rear end of the touch display, a ranging probe II is fixedly arranged at the middle of the bottom end of the touch display, a clamping assembly is arranged at the front end of the bottom end of the first substrate, a motor I is fixedly arranged at the rear end of the bottom end of the first substrate, an output shaft of the motor I is fixedly connected with a gear I, a ranging feedback plate is fixedly arranged at the rear end of the second substrate, a rack I is fixedly arranged at the middle of the bottom end of the second substrate, a pinion is fixedly arranged at the rear end of the second substrate, and a triangular vacuum chuck is arranged at the bottom end of the pinion; the drawing tool can draw various graphs by adopting one drawing tool, reduces the load of a teacher carrying a large number of drawing tools, replaces manual drawing, and has high drawing precision.

Description

Drawing tool

Technical Field

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

Background

The drawing tool is an auxiliary teaching aid used for drawing, straight lines, circles, triangles and the like in teacher teaching, comprises compasses, rulers, triangular plates and the like, is mostly plastic or wood products, has lighter weight, and particularly relates to the drawing tool; the existing drawing tools are various, a teacher has to take a plurality of teaching aids which are different in size and unfavorable for carrying in order to draw required figures in a classroom, the teaching aids increase more burden for the teacher because the teaching aids need to carry more teaching materials when the teacher takes class, and the traditional teaching aids need to draw pictures manually, so that the drawing precision is low.

Disclosure of Invention

The utility model mainly aims to provide a drawing tool which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the drawing tool comprises a first substrate and a second substrate, wherein the first substrate is positioned at the top end of the second substrate, a touch display is fixedly arranged at the front part of the top end of the first substrate, a ranging probe I is fixedly arranged at the middle of the rear end of the touch display, a ranging probe II is fixedly arranged at the middle of the bottom end of the touch display, a clamping assembly is arranged at the front end of the first substrate, a motor I is fixedly arranged at the rear end of the bottom end of the first substrate, and a gear I is fixedly connected with an output shaft of the motor I;

the distance measuring feedback plate is fixedly installed on the top end of the second base plate, the rack I is fixedly installed at the bottom end of the second base plate in the middle, the pinion is fixedly installed on the bottom end of the second base plate in the back, the triangular vacuum chuck is arranged at the bottom end of the pinion, the main gear is arranged on one side of the pinion, and the motor II is installed at the bottom end of the main gear.

As a further scheme of the utility model, the clamping assembly comprises a limit carrying plate and a motor III, wherein the motor III is positioned at the rear of the limit carrying plate, an output shaft of the motor III is fixedly connected with a gear II, the same support is arranged on the two sides near the upper end and the lower end of the through limit carrying plate, an elastic telescopic rod is fixedly arranged on the front surface of the support near the lower end, a movable arc plate is fixedly arranged on the front end of the elastic telescopic rod, and a rack II is fixedly arranged on the middle near the rear of the upper end and the lower end of the through support.

As a further scheme of the utility model, the first rack is meshed with the first gear, a chute is formed in the middle of the upper end and the lower end of the second through substrate, the front view section of the chute is arranged in a convex shape, the bottom end of the first substrate is fixedly provided with a sliding block, the front view section of the sliding block is arranged in an inverted T shape, the first motor is positioned in the chute, and the first substrate is in sliding connection with the second substrate through the sliding block matched with the chute.

As a further scheme of the utility model, the shaft of the auxiliary gear is movably connected with the center of the triangular vacuum chuck through a bearing, the auxiliary gear is meshed with the main gear, and the shell of the motor II is fixedly connected with the triangular vacuum chuck.

As a further scheme of the utility model, the central lines of the first ranging probe, the second ranging probe, the movable arc plate and the ranging feedback plate are positioned in the same plane, and the central line of the ranging feedback plate is collinear with the central line of the pinion.

As a further scheme of the utility model, the second rack penetrates through the upper end and the lower end of the first substrate and is in sliding connection with the first substrate, the shell of the third motor is fixedly connected with the bottom surface of the first substrate, the top surface of the bracket is fixedly connected with the bottom surface of the first substrate, the bracket is sleeved with the limit carrying plate, and the second gear is in meshed connection with the second rack.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, a plurality of motors are adopted to move, the chalk is clamped by matching with the clamping assembly, the distance between the chalk and the blackboard is adjusted by matching with the distance measuring probe II, so that drawing operations of different shapes such as straight lines, circles and triangles can be realized by adopting one drawing tool, a teacher does not need to carry a large number of different drawing tools, different drawing requirements can be met, and compared with manual drawing, the drawing precision is higher.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a drawing tool according to the present utility model;

FIG. 2 is a side view of the overall structure of a drawing tool of the present utility model;

FIG. 3 is a rear view of the overall structure of a drawing tool of the present utility model;

FIG. 4 is a schematic view of a triangle vacuum chuck and its components in a drawing tool according to the present utility model;

FIG. 5 is a schematic view of a clamping assembly in a drawing tool according to the present utility model;

FIG. 6 is a rear view of the drawing tool of FIG. 5 according to the present utility model;

fig. 7 is a side view of fig. 5 in a drawing tool of the present utility model.

In the figure: 1. a first substrate; 2. a second substrate; 3. a touch display; 4. clamping the assembly; 5. a first rack; 6. a ranging feedback board; 7. triangular vacuum chuck; 8. a pinion gear; 9. a first motor; 10. a first gear; 11. a second motor; 12. a main gear; 13. a first ranging probe; 14. a second ranging probe; 401. a limit carrying plate; 402. a bracket; 403. a second rack; 404. a movable arc plate; 405. a third motor; 406. a second gear; 407. an elastic telescopic rod.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-7, a drawing tool comprises a first substrate 1 and a second substrate 2, wherein the first substrate 1 is positioned at the top end of the second substrate 2, a touch display 3 is fixedly arranged at the front part of the top end of the first substrate 1, a ranging probe 13 is fixedly arranged at the center of the rear end of the touch display 3, a ranging probe 14 is fixedly arranged at the center of the bottom end of the touch display 3, a clamping assembly 4 is arranged at the front part of the bottom end of the first substrate 1, a motor 9 is fixedly arranged at the rear part of the bottom end of the first substrate 1, and a gear 10 is fixedly connected with an output shaft of the motor 9;

the distance measurement feedback plate 6 is fixedly installed on the top end of the second substrate 2, the rack 5 is fixedly installed on the bottom end of the second substrate 2 in the middle, the pinion 8 is fixedly installed on the bottom end of the second substrate 2 in the rear, the triangular vacuum chuck 7 is arranged on the bottom end of the pinion 8, the main gear 12 is arranged on one side of the pinion 8, and the motor second 11 is installed on the bottom end of the main gear 12.

Clamping subassembly 4 includes spacing embarkation board 401 and motor III 405, motor III 405 is located the rear of spacing embarkation board 401, motor III 405's output shaft fixedly connected with gear II 406, it is provided with same support 402 to run through spacing embarkation board 401's upper and lower end and lean on both sides, support 402's front is by lower fixed mounting has flexible telescopic link 407, flexible telescopic link 407's front end fixed mounting has movable arc board 404, it has rack II 403 to run through support 402's upper and lower end back fixed mounting in the middle, through setting up clamping subassembly 4 centre gripping chalk, and adjust the distance between chalk and the blackboard, guarantee chalk homoenergetic with suitable sense position and blackboard surface laminating, avoid because chalk length is different the marking off error that appears.

The first rack 5 is meshed with the first gear 10, a chute is formed in the middle of the upper end and the lower end of the second through substrate 2, the main view section of the chute is in a convex shape, the bottom end of the first substrate 1 is fixedly provided with a sliding block, the main view section of the sliding block is in an inverted T-shaped shape, the first motor 9 is located in the chute, the first substrate 1 is matched with the chute through the sliding block and is in sliding connection with the second substrate 2, the first motor 9 drives the first gear 10 to rotate after the first motor 9 is started through the touch display 3, the first substrate 1 is driven to move through the rotation of the first gear 10 and the first rack 5, the position of the clamping assembly 4 is adjusted, and the scribing length and the radius of a circle are convenient to change.

The shaft of the pinion 8 is movably connected with the center of the triangular vacuum chuck 7 through a bearing, the pinion 8 is meshed with the main gear 12, a shell of the motor II 11 is fixedly connected with the triangular vacuum chuck 7, after the motor II 11 is started through the touch display 3, the motor II 11 drives the main gear 12 to rotate, the main gear 12 is matched with the pinion 8 to drive the substrate II 2 to rotate, and then the substrate I1 and the clamping assembly 4 are driven to rotate to draw circles.

The central lines of the first ranging probe 13, the second ranging probe 14, the movable arc plate 404 and the ranging feedback plate 6 are positioned in the same plane, the central line of the ranging feedback plate 6 is collinear with the central line of the pinion 8, and the first ranging probe 13 is matched with the ranging feedback plate 6 to perform ranging so as to conveniently determine the length of a straight line during drawing and the radius during drawing a circle.

The second rack 403 penetrates through the upper end and the lower end of the first substrate 1 and is in sliding connection with the first substrate 1, the shell of the third motor 405 is fixedly connected with the bottom surface of the first substrate 1, the top surface of the bracket 402 is fixedly connected with the bottom surface of the first substrate 1, the bracket 402 is sleeved with the limit carrying plate 401, the second gear 406 is in meshed connection with the second rack 403, after the third motor 405 is started through the touch display 3, the third motor 405 drives the second gear 406 to rotate, the second gear 406 is matched with the second rack 403 to drive the limit carrying plate 401 to move up and down, and then the distance between chalk clamped by the clamping assembly 4 and the blackboard is adjusted.

When the drawing tool is used, firstly, the drawing tool is adsorbed on a blackboard through the triangular vacuum sucker 7, then a chalk is placed between the limit carrying plate 401 and the movable arc plate 404, and the movable arc plate 404 is driven by the elastic telescopic rod 407 to clamp and fix the chalk;

in the drawing process, real-time actual measurement data of the chalk head and the blackboard plane are fed back to the touch display 3 through the distance measuring probe II 14, the motor III 405 is controlled through the touch display 3, the gear II 406 drives the limit carrying plate 401 to move up and down by matching with the rack II 403 after the motor III 405 is started, the distance between the chalk and the blackboard is further adjusted, the chalk is ensured to be attached to the surface of the blackboard at a proper force sensing position, and drawing errors caused by different lengths of the chalk are avoided;

when the linear scribing is carried out, the first motor 9 is started to drive the first gear 10 to rotate, the first rack 5 is matched to drive the first base plate 1 to move, and then the clamping assembly 4 is driven to move through the movement of the first base plate 1, so that the chalk line is driven;

when a circle is drawn, the radius of the circle is adjusted in a straight line drawing mode, the radius length is measured by matching with a first ranging probe 13 and matching with a ranging feedback plate 6 and displayed on a touch display 3, the radius length is convenient to control, after the radius adjustment is completed, a third motor 405 and a second motor 11 are started, the second motor 11 is used for driving a main gear 12 to rotate, a second sub-gear 8 is matched for driving a second substrate 2 to rotate, and then the first substrate 1 and a clamping assembly 4 do circular motion around the shaft of the sub-gear 8, so that the circle drawing is completed;

when drawing a triangle, firstly drawing a straight line on the basis of straight line drawing operation, then adjusting the angle of the first substrate 1 to draw a second straight line, taking down a drawing tool, adjusting the position, then adsorbing on a blackboard again, and drawing the end points of the two straight lines before connecting the straight line.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A drawing tool, characterized in that: the device comprises a first substrate (1) and a second substrate (2), wherein the first substrate (1) is positioned at the top end of the second substrate (2), a touch display (3) is fixedly arranged at the front part of the top end of the first substrate (1), a distance measuring probe I (13) is fixedly arranged at the center of the rear end of the touch display (3), a distance measuring probe II (14) is fixedly arranged at the center of the bottom end of the touch display (3), a clamping assembly (4) is arranged at the front end of the bottom end of the first substrate (1), a motor I (9) is fixedly arranged at the rear end of the bottom end of the first substrate (1), and a gear I (10) is fixedly connected with an output shaft of the motor I (9);

the novel automatic ranging device is characterized in that a ranging feedback plate (6) is fixedly installed on the top end of the second base plate (2), a first rack (5) is fixedly installed at the middle of the bottom end of the second base plate (2), a pinion (8) is fixedly installed on the bottom end of the second base plate (2) and is provided with a triangular vacuum chuck (7) at the bottom end of the pinion (8), a main gear (12) is arranged on one side of the pinion (8), and a second motor (11) is installed at the bottom end of the main gear (12).

2. A drawing tool according to claim 1, wherein: clamping subassembly (4) are including spacing embarkation board (401) and motor III (405), motor III (405) are located the rear of spacing embarkation board (401), output shaft fixedly connected with gear II (406) of motor III (405), the upper and lower extreme that runs through spacing embarkation board (401) is provided with same support (402) by both sides, the front of support (402) is near lower fixed mounting has flexible telescopic link (407), the front fixed mounting of flexible telescopic link (407) has movable arc board (404), the upper and lower end that runs through support (402) is near back fixed mounting in the middle has rack II (403).

3. A drawing tool according to claim 1, wherein: the rack I (5) is connected with the gear I (10) in a meshed mode, a chute is formed in the middle of the upper end and the lower end of the penetrating substrate II (2), the main view section of the chute is in a convex shape, the bottom end of the substrate I (1) is fixedly provided with a sliding block, the main view section of the sliding block is in an inverted T-shaped shape, the motor I (9) is located in the chute, and the substrate I (1) is in sliding connection with the substrate II (2) through the sliding block matched with the chute.

4. A drawing tool according to claim 1, wherein: the shaft of the auxiliary gear (8) is movably connected with the center of the triangular vacuum chuck (7) through a bearing, the auxiliary gear (8) is meshed with the main gear (12), and the shell of the motor II (11) is fixedly connected with the triangular vacuum chuck (7).

5. A drawing tool as claimed in claim 2, wherein: the center lines of the first ranging probe (13), the second ranging probe (14), the movable arc plate (404) and the ranging feedback plate (6) are positioned in the same plane, and the center line of the ranging feedback plate (6) is collinear with the center line of the pinion (8).

6. A drawing tool as claimed in claim 2, wherein: the rack II (403) penetrates through the upper end and the lower end of the substrate I (1) and is in sliding connection with the substrate I (1), a shell of the motor III (405) is fixedly connected with the bottom surface of the substrate I (1), the top surface of the bracket (402) is fixedly connected with the bottom surface of the substrate I (1), the bracket (402) is sleeved with the limit carrying plate (401), and the gear II (406) is meshed with the rack II (403).