CN219505741U

CN219505741U - Graphic drawing equipment

Info

Publication number: CN219505741U
Application number: CN202223224209.5U
Authority: CN
Inventors: 王珏; 张敬文
Original assignee: Beijing Tongbang Chuangli Technology Development Co ltd
Current assignee: Beijing Tongbang Chuangli Technology Development Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-08-11
Anticipated expiration: 2032-12-01

Abstract

The utility model belongs to the technical field of drawing equipment, and discloses a graph drawing equipment, wherein a dial is of a cylindrical structure with the thickness of 1-3 cm, the dial is rotationally connected with a static outer frame through an outer ring rotating ring arranged on the side wall of a curved surface of the dial, when the dial rotates, the static outer frame can counteract the rotation circle number to be in a static state through the outer ring rotating ring, the surface of the dial is provided with a plurality of scale marks, the degrees of an arc and an angle can be determined through the scale marks, the graph drawing equipment is flexible to use, and the drawing part is positioned at the position of the bottom wall of the dial, which is close to the side wall of the curved surface; by setting up of calibrated scale, drawing portion, can realize drawing graphics such as "circle", "angle", pitch arc to the calibrated scale replaces the metal stabilizer blade of original compasses with first chalk card shell, makes its very big reduction danger of drawing equipment, and drawing portion can rotate along with the rotation of calibrated scale simultaneously, uses very simply, has reduced the condition of carrying, using a plurality of equipment.

Description

Graphic drawing equipment

Technical Field

The utility model belongs to the technical field of drawing equipment, and particularly relates to graphic drawing equipment.

Background

When drawing graphics, professional drawing equipment is often used, and common graphics comprise arcs, angles, circles and the like, so that students can watch the graphics more vividly, a teacher is required to draw the graphics more accurately and clearly, and corresponding equipment and tools are required to be used at the moment.

The compasses and the protractors are one of common tools, and the device can be used for drawing circles, angles, arcs and the like, and the specific angle of the angles can be determined by the protractors, so that the device is very simple to use and almost appears in every class.

However, as one of the supporting legs of the compass is of a metal structure and the end part of the supporting leg is sharp, once the compass is taken by a student for drawing and playing, the supporting leg of the compass can easily stab other students or himself, so that the compass is very dangerous, and when the teacher takes the compass, the supporting leg of the compass can also unintentionally stab other people, thereby increasing risk hidden danger;

meanwhile, when a teacher draws the 'angle', the teacher is difficult to draw the corresponding angle only by means of compasses, and the 'angle' can be drawn only by means of tools such as a protractor, a ruler and the like, so that the whole equipment and tools which are required to be carried are more, time and labor are wasted, and therefore the graphic drawing equipment is provided.

Disclosure of Invention

The utility model aims to provide a graph drawing device, which solves the problems that in the prior art, one of the supporting legs of the compass is of a metal structure, the end part of the supporting leg is sharp, once the compass is taken by a colleague to draw and play, the supporting leg of the compass is easy to stab other colleagues or the compass is very dangerous, and the supporting leg of the compass is also unintentionally stabbed by other people when the compass is taken by a teacher, thereby increasing risk hidden danger and the like.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the graph drawing equipment comprises a dial, wherein the dial is of a cylindrical structure, and the outer wall of a curved surface of the dial is rotationally connected with a static outer frame through an outer ring swivel;

the drawing part is arranged at the position, close to the edge, of the bottom wall of the drawing part, the drawing part comprises a fixed frame, the bottom of the fixed frame is movably connected with a sliding frame, and a second chalk clamping shell is arranged at the bottom of the sliding frame;

the first chalk card shell is positioned in the middle of the bottom end of the dial, and the second chalk card shell and the first chalk card shell are used for placing chalks.

Preferably, the end of the fixed frame is rotatably connected with an indication plate through a rotating assembly, and a gap is arranged between the indication plate and the dial when the indication plate is parallel to the surface of the dial.

Preferably, the top of the sliding frame is symmetrically provided with frame side plates, two opposite sides of the frame side plates are respectively provided with a sliding inner block, and the side wall of the fixed frame is provided with a sliding side groove matched with the sliding inner blocks.

Preferably, the two sides of the frame side plate are both rotationally connected with locking screws, the locking screws penetrate through the frame side plate, and the locking screws are in threaded connection with the frame side plate.

Preferably, the top of calibrated scale is equipped with twist grip, twist grip's lateral wall is equipped with the instruction arrow, just twist grip, calibrated scale, outer lane swivel, static frame are same centre of a circle setting.

Preferably, a plurality of buffer side grooves are formed in the side wall of the second chalk clamping shell, and the first chalk clamping shell and the second chalk clamping shell are of the same structure.

Preferably, the side wall of the stationary outer frame is provided with a support handle, a movable bottom groove is formed in a position, close to the dial, of one side of the support handle, and the length of the movable bottom groove is larger than the width of the sliding frame.

Preferably, the bottom of the supporting handle is provided with a wear-resistant layer for reducing noise, and the top of the supporting handle is provided with an operating handle.

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

by setting up of calibrated scale, drawing portion, can realize drawing graphics such as "circle", "angle", pitch arc, and the calibrated scale will be originally the metal stabilizer blade of compasses and replace first chalk card shell, make its very big reduction danger of drawing equipment, drawing portion can rotate along with the rotation of calibrated scale simultaneously, when drawing portion "degree" rotation to "degree" from the calibrated scale surface, draw the pitch arc that the angle is degree promptly, then through the both sides that the handle was planted in the support drawing "angle" can, it is very simple to use, reduced the condition of carrying, using a plurality of equipment, also reduce the danger simultaneously.

The drawing part is fixed in the diapire of calibrated scale, and the calibrated scale when wanting to rotate, can promote through twist grip or drawing part and rotate, two kinds of rotation methods for the calibrated scale uses the flexibility higher, for example, when "circular arc", "angle" is drawn to needs, and it is more convenient to use through the rotation that instruction board, drawing part drove the calibrated scale, and when needs draw whole "circle", it is more convenient to draw through the twist grip.

The second chalk card shell is located the bottom of sliding frame for the second chalk card shell can slide along with sliding frame in the bottom of fixed frame, and the slip of second chalk card shell, sliding frame has then changed the radius length that drawing device drawn "circle", makes through this drawing device can draw the "circle" of equidimension as required, and the flexibility ratio angle is more practical.

The utility model discloses can draw pitch arc, angle, circular by a instrument realization, reduce the condition of purchasing multiple instrument, on the one hand reduced economic cost, on the other hand carries, the practicality is comparatively convenient.

Drawings

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

FIG. 2 is a bottom view of the present utility model;

FIG. 3 is a schematic view of the indicator panel of the present utility model after being unfolded;

FIG. 4 is a perspective view of a drawing part of the present utility model;

FIG. 5 is an exploded view of the present utility model;

in the figure: 1. a handle is planted; 11. a wear-resistant layer; 12. an operation handle; 13. moving the bottom groove;

2. a dial; 21. an outer ring swivel; 22. scale marks; 23. rotating the handle; 24. a stationary outer frame; 25. an indication arrow;

3. a first chalk clip case; 31. a second chalk clip case; 32. a buffer side groove;

4. a rotating assembly;

5. an indication board;

6. a drawing unit; 61. a sliding frame; 62. locking a screw; 63. sliding the inner block; 64. a sliding side groove; 65. a fixed frame; 66. and a frame side plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 5, the present utility model provides a technical solution: a graph drawing device is characterized in that a dial 2 is of a cylindrical structure with the thickness of 1-3 cm, the dial 2 is rotatably connected with a static outer frame 24 through an outer ring rotating ring 21 arranged on the side wall of a curved surface of the dial 2, when the dial 2 rotates, the static outer frame 24 can counteract the rotation circle number to be in a static state through the outer ring rotating ring 21, the surface of the dial 2 is provided with a plurality of scale marks 22, the degrees of an arc and an angle can be determined through the scale marks 22, and the graph drawing device is flexible to use.

In this embodiment, as shown in fig. 2 and 3, it is preferable that the drawing part 6 is located at a position where the bottom wall of the dial 2 is close to the curved side wall, and since the drawing part 6 and the dial 2 are one of welded, bolted, and integrally connected, when the dial 2 rotates, the drawing part 6 can rotate together with the rotation of the dial 2, and when the drawing part 6 rotates, the drawing part 6 can determine the rotation angle according to the scale mark 22 on the surface of the dial 2, thereby obtaining accurate angle data.

In this embodiment, as shown in fig. 2, 4 and 5, the drawing portion 6 preferably includes a fixed frame 65 and a sliding frame 61, the fixed frame 65 is fixed on the bottom wall of the scale disc 2, the fixed frame 65 rotates along with the rotation of the scale disc 2, two sides and bottom of the fixed frame 65 are movably connected with the sliding frame 61, two frame side plates 66 are symmetrically arranged at the tops of two sides of the sliding frame 61, the positions of the frame side plates 66 close to the side walls of the fixed frame 65 are respectively provided with a sliding inner block 63, two side walls of the fixed frame 65 are respectively provided with a sliding side groove 64 matched with the sliding inner blocks 63, when the sliding frame 61 needs to move, the sliding frame 61 can be directly pushed to slide in the sliding side grooves 64, and the sliding inner blocks 63 and the sliding side grooves 64 can only slide to prevent the sliding frame 61 from overturning and separating.

In this embodiment, preferably, the side wall of the frame side plate 66 is further rotatably connected with the sliding inner block 63, and when the sliding frame 61 moves to the required position, the sliding inner block 63 can be rotated, so that the sliding inner block 63 rotates to abut against the inner wall of the sliding side groove 64, thereby achieving the effect of limiting the sliding frame 61, being simpler to use, and fixing the adjusted sliding frame 61.

In this embodiment, preferably, referring to fig. 2, 3 and 4, the bottom of the sliding frame 61 is provided with the second chalk clamping shell 31, the center of the second chalk clamping shell 31 and the midpoint of the sliding frame 61 are located at the same vertex, the bottom of the sliding frame 2 is provided with the first chalk clamping shell 3, the first chalk clamping shell 3 and the dial 2 are arranged at the same center, the side wall of the second chalk clamping shell 31 is provided with the buffer side groove 32, and the chalk can be placed in the second chalk clamping shell 31 and the first chalk clamping shell 3, and the buffer side groove 32 can play a role in adaptation, so that the chalk can be put in and taken out more conveniently.

In this embodiment, preferably, one side of the fixed frame 65 is rotatably connected with the indicator board 5 through the rotation component 4, when the drawing part 6 rotates along with the dial 2, the indicator board 5 and the drawing part 6 rotate together, and the rotation angle of the drawing part 6 can be accurately determined through the indicator board 5, so that the observation is finer and more accurate.

Wherein, a gap is arranged between the top wall of the fixed frame 65 and the bottom wall of the stationary outer frame 24, and when the fixed frame 65 rotates, the fixed frame 65 will not be connected with the stationary outer frame 24, so that the drawing part 6 can rotate along with the dial 2.

In this embodiment, preferably, as shown in fig. 1 and 3, a rotating handle 23 is disposed in the middle of the top end of the dial 2, and the rotating handle 23 and the dial 2 are one of welded, bolted and integrally connected, so that the rotating handle 23 can be rotated, so that the rotating handle 23 drives the dial 2 to rotate together, an indication arrow 25 is disposed on the side wall of the rotating handle 23, and when the rotating handle 23 rotates, the rotating angle and the number of turns can be determined by the indication arrow 25, and the accuracy is further improved by the use of the indication arrow 25 and the indication board 5 in cooperation. The indicating plate 5 can be turned over through the rotating component 4, when drawing equipment draws an arc and a semicircle, the indicating plate 5 can be held by hand to rotate, the whole is relatively flexible, when drawing equipment wants to draw a circle, the indicating plate 5 can be rotated to the bottom through the rotating component 4, then when the drawing part 6 is rotated, the indicating plate 5 can not be shielded by the supporting handle 1, the drawing part 6 and the indicating plate 5 can rotate around the circle center of the dial 2 for one circle, and both rotation modes can be used.

In this embodiment, preferably, the side wall of the stationary outer frame 24 is provided with the supporting handle 1, the bottom of the side of the supporting handle 1 close to the stationary outer frame 24 is provided with the moving bottom groove 13, the moving bottom groove 13 is used for facilitating the rotation of the drawing part 6, when the drawing part 6 rotates along with the dial 2 to a position close to the supporting handle 1, the moving bottom groove 13 can rotate for a circle, so that after the drawing part 6 performs a circular motion with the center of the dial 2, the supporting handle 1 will not block the normal rotation of the drawing part 6. The bottom wall of the support handle 1 is provided with the wear-resistant layer 11, and the wear-resistant layer 11 can increase the friction force between equipment and a blackboard, so that when the support handle 1 is attached to the blackboard, the sound is small, the top of the support handle 1 is provided with the operating handle 12, and the operating handle 12 enables the drawing equipment to move integrally and be taken more conveniently.

Working principle and using flow: when the arc line and the angle are required to be drawn, chalks can be respectively placed into the first chalk clamping shell 3 and the second chalk clamping shell 31, then the supporting handle 1 and the dial 2 are attached to the blackboard in parallel, at the moment, chalks in the first chalk clamping shell 3 and the second chalk clamping shell 31 are all on the blackboard, then the rotating handle 23 or the indicating plate 5 can be held according to the using habit, the acting force is transmitted to the indicating plate 5, the dial 2 and the indicating plate 5 can be rotated, when the dial 2 is rotated, the drawing part 6 at the bottom of the dial 2 and the indicating plate 5 can be rotated together, and the rotating angle can be observed through the indicating plate 5 and the scale mark 22, so that data are clearer and more accurate, and at the moment, the two sides of the angle can be drawn through the supporting handle 1; when the circle is required to be drawn, the indication board 5 can be turned over, so that the indication board 5 is turned over through the rotating assembly 4, the rotary handle 23 can be held by a hand at the moment, the rotary handle 23 can also drive the dial 2 and the drawing part 6 to rotate, the circle can be drawn through the drawing part 6 along with the rotation of the rotary handle 23 and the dial 2 for one circle, and when the drawing part 6 and the indication board 5 rotate along with the dial 2, the indication board 5 can normally pass through by moving the bottom groove 13.

The foregoing is merely illustrative of the present utility model and not restrictive, and other modifications and equivalents thereof may occur to those skilled in the art without departing from the spirit and scope of the present utility model.

Claims

1. A graphics rendering apparatus characterized by: the rotary dial comprises a dial body, wherein the dial body is of a cylindrical structure, and the outer wall of a curved surface of the dial body is rotationally connected with a static outer frame through an outer ring swivel;

2. A graphics rendering apparatus as claimed in claim 1, characterized in that: the end of the fixed frame is rotationally connected with an indicating plate through a rotating assembly, and a gap is arranged between the indicating plate and the dial when the indicating plate is parallel to the surface of the dial.

3. A graphics rendering apparatus as claimed in claim 1, characterized in that: the top symmetry of sliding frame is equipped with the frame curb plate, two the opposite one side of frame curb plate all is equipped with the slip internal block, the lateral wall of fixed frame has seted up the slip side groove that uses with the cooperation of slip internal block.

4. A graphics rendering device as claimed in claim 3, characterized in that: the two sides of the frame side plate are both rotationally connected with locking screws, the locking screws penetrate through the frame side plate, and the locking screws are in threaded connection with the frame side plate.

5. A graphics rendering apparatus as claimed in claim 1, characterized in that: the top of calibrated scale is equipped with the twist grip, the lateral wall of twist grip is equipped with the instruction arrow, just twist grip, calibrated scale, outer lane swivel, static frame are same centre of a circle setting.

6. A graphics rendering apparatus as claimed in claim 1, characterized in that: the side wall of the second chalk clamping shell is provided with a plurality of buffering side grooves, and the first chalk clamping shell and the second chalk clamping shell are of the same structure.

7. A graphics rendering apparatus as claimed in claim 1, characterized in that: the side wall of the stationary outer frame is provided with a support handle, a movable bottom groove is formed in the position, close to the dial, of one side of the support handle, and the length of the movable bottom groove is larger than the width of the sliding frame.

8. A graphics rendering apparatus as claimed in claim 7, characterized in that: the bottom of the support handle is provided with a wear-resistant layer for reducing noise, and the top of the support handle is provided with an operating handle.