CN220734648U

CN220734648U - Drawing device

Info

Publication number: CN220734648U
Application number: CN202322560921.0U
Authority: CN
Inventors: 赵梦昕
Original assignee: Zhengzhou Normal University
Current assignee: Zhengzhou Normal University
Priority date: 2023-09-20
Filing date: 2023-09-20
Publication date: 2024-04-09
Anticipated expiration: 2033-09-20

Abstract

The utility model relates to a drawing device, which comprises a drawing cylinder, wherein an inner cylinder cavity is formed in the drawing cylinder, a thread cover is arranged at one end of the drawing cylinder in a threaded manner, a central shaft is arranged in the inner cylinder cavity, four limit strips are vertically and fixedly arranged on the outer cylinder wall of the central shaft, the central shaft and the outer cylinder wall of the limit strips are sleeved with a shaft cylinder together, a drawing is coiled around the outer cylinder wall of the shaft cylinder, one side edge of the drawing extends out of the drawing cylinder, the other end of the drawing cylinder is provided with a limit cover, one end of the limit cover is fixedly provided with a thread head, the drawing in the drawing cylinder is directly pulled out of the drawing cylinder, a drawing pen is also taken out of the limit cover, drawing is convenient and rapid, inspiration is accurately and efficiently recorded, the drawing can also be directly torn down according to actual needs, the drawing device is flexible and convenient to use, and the thread head is abutted with a rotating head through rotating the limit cylinder, so that the drawing coiled in the drawing cylinder is limited and fixed, and the drawing in the drawing cylinder cannot shake and diverge at will in the carrying and moving process.

Description

Drawing device

Technical Field

The utility model relates to the technical field of drawing, in particular to a drawing device.

Background

Drawing is an indispensable important link in design work. The graphics context is more convenient and quick and has impact force, for example: drawing the characteristic of grasping the drama into a picture, can be published and assembled into a album, and is convenient for inheritance and transmission. The most important drawing is inspiration, so that how to quickly and conveniently draw is the key point of quickly recording inspiration, the traditional art design drawing device adopts various assembling and splicing modes to unfold and reassemble the originally assembled drawing structures, the whole operation steps are more, the operation time is long, inspiration is easy to miss, and the drawing device is not suitable for drawing of art design.

Disclosure of Invention

The utility model provides a drawing device for solving the problem that the assembly and splicing time is long and the inspiration is easy to miss.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a drawing device, includes drawing section of thick bamboo, the inner tube chamber has been seted up in the drawing section of thick bamboo, drawing section of thick bamboo one end screw thread installation screw cap, be provided with the center pin in the inner tube chamber, four spacing of outer axle wall vertical fixation installation of center pin, the outer barrel wall of center pin and spacing overlaps jointly and is equipped with a section of thick bamboo, the outer barrel wall of a section of thick bamboo is rolled up around the cover and is had the drawing, a drawing side extends to outside the drawing section of thick bamboo, the drawing section of thick bamboo other end is provided with the spacing lid, spacing lid one end fixed mounting screw cap, screw cap screw thread installation is on the top of drawing section of thick bamboo.

Preferably, the top fixed mounting of center pin rotates the head, the top of drawing section of thick bamboo runs through the inner tube chamber and has seted up the screw hole, rotate the head and rotate and install at the screw hole, the screw thread head screw thread is installed at the screw hole and is set up with rotating the head looks butt.

Preferably, the jack is offered on the top of spacing lid, the drawing pen has been inserted in the jack.

Preferably, the top end of the shaft cylinder penetrates through the bottom end to form a limiting cavity, and the limiting cavity is designed in a mode of being matched with the central shaft and the limiting strips.

Preferably, the screw cap is provided with the knob away from drawing section of thick bamboo one end, knob one end fixed connection connecting axle, connecting axle one end runs through the screw cap and stretches into to the inner tube chamber, perpendicular fixed connection is in center pin one end.

Preferably, the outer cylinder wall of the drawing cylinder penetrates through the inner cylinder cavity to form a strip-shaped hole, one side of the drawing extends out of the drawing cylinder through the strip-shaped hole, and the outer cylinder wall of the drawing cylinder is provided with a handle.

The beneficial effects of the utility model are as follows:

firstly, a drawing cylinder is arranged, a drawing paper is detachably wound in the drawing cylinder, so that the drawing cylinder can be conveniently replaced, when the drawing paper is required to be used, the drawing paper in the drawing cylinder can be directly pulled out of the drawing cylinder, the drawing pen is also taken out of the limiting cover, drawing is conveniently and rapidly carried out, the inspiration is accurately and efficiently recorded, and the drawing paper can be directly torn off according to actual needs, so that the drawing cylinder is flexible and convenient to use;

then, the drawing of rolling in drawing section of thick bamboo can pass through rotatory spacing section of thick bamboo, and then makes the screw thread head inconsistent with the rotating head, just also makes the drawing of rolling in drawing section of thick bamboo by spacing fixed, can not rock at will and diverge carrying the in-process that removes.

Drawings

FIG. 1 is a schematic view of a first view angle structure of the whole of the present utility model;

FIG. 2 is a schematic diagram of the overall second view structure of the present utility model;

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

fig. 4 is a schematic diagram showing the exploded structure of the inner part of the drawing cylinder according to the present utility model.

Legend description:

1. a drawing cylinder; 11. a bar-shaped hole; 12. a handle;

2. a screw cap; 21. a central shaft; 22. a rotating head; 23. a limit bar; 24. a shaft cylinder; 25. drawing; 26. a connecting shaft; 27. a knob;

3. a limit cover; 31. a thread head; 32. drawing pen.

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.

Specific examples are given below.

Referring to fig. 1-4, a drawing device comprises a drawing cylinder 1, an inner cylinder cavity is formed in the drawing cylinder 1, a thread cover 2 is arranged at one end of the drawing cylinder 1 in a thread mode, a central shaft 21 is arranged in the inner cylinder cavity, four limit bars 23 are vertically and fixedly arranged on the outer shaft wall of the central shaft 21, a shaft cylinder 24 is sleeved on the outer cylinder wall of the central shaft 21 and the outer cylinder wall of the limit bars 23 together, a drawing paper 25 is wound around the outer cylinder wall of the shaft cylinder 24, one side edge of the drawing paper 25 extends out of the drawing cylinder 1, a limit cover 3 is arranged at the other end of the drawing cylinder 1, a thread head 31 is fixedly arranged at one end of the limit cover 3, the thread head 31 is arranged at the top end of the drawing cylinder 1 in a thread mode, and the thread head 31 is in thread mode of the drawing cylinder 1, so that the limit cover 3 is arranged at one end of the drawing cylinder 1.

Referring to fig. 1 to 4, in particular, the top fixed mounting of center pin 21 rotates first 22, the top of drawing cylinder 1 runs through the inner tube chamber and sets up threaded hole, it installs at threaded hole to rotate first 22, through the description fig. 3 can know that only occupy half of threaded hole's space, the space of the half of threaded hole is occupied by rotating first 22, therefore screw thread first 31 screw thread installs at threaded hole and offsets the setting with rotating first 22, the jack has been seted up at the top of spacing lid 3, the drawing pen 32 has been inserted in the jack, drawing pen 32 is the convenient direct extraction of pencil and uses, spacing chamber has been seted up at the top of a cylinder 24, spacing chamber and center pin 21 and spacing 23 looks adaptation design, ensure that the rotation of center pin 21 can make a cylinder 24 forced rotatory, just can rolling drawing cylinder 25, screw thread lid 2 is kept away from drawing cylinder 1 one end and is provided with knob 27, the design of knob 27 can make center pin 21 be rotated more easily, connecting axle 27 one end fixed connection 26 runs through screw thread lid 2 and stretches into the inner tube chamber, vertical fixed connection is at center pin 21 one end, drawing cylinder 1's outer tube wall 11 has been seted up to the outer tube wall 11 and has been stretched out to the drawing cylinder wall 11, drawing cylinder 11 is moved to one side of drawing cylinder 11, the drawing cylinder wall 11 is convenient to carry out of drawing cylinder wall 11, the drawing cylinder wall 11 is moved to be taken along.

Working principle:

when the smart burst is needed to draw, firstly, the limit cover 3 is reversely selected, the thread of the thread head 31 at the threaded hole at the top end of the drawing cylinder 1 is unscrewed, the thread head 31 is not in contact with the rotating head 22 any more, after the rotating head 22 is not extruded and limited, the central shaft 21 can freely rotate, the drawing paper 25 is directly pulled at the moment, the drawing paper 25 can be gradually pulled out of the strip-shaped hole 11, the shaft cylinder 24 can be forced to rotate due to relative friction force with the drawing paper 25, a plurality of limit strips 23 and the central shaft 21 are driven to rotate, finally, the knob 27 is driven to rotate through the connecting shaft 26, and after the drawing paper 25 is pulled out of a sufficient area, the drawing pen 32 is directly extracted from the top end of the limit cover 3 to start drawing;

when drawing is completed and drawing 25 is required to be rolled, whether the drawn drawing 25 is directly torn off or whether the knob 27 is directly rotated can be selected according to the requirement, so that the central shaft 21 is driven to rotate through the connecting shaft 26, the shaft cylinder 24 is driven to rotate, the drawing 25 is reversely rolled back into the inner cylinder cavity of the drawing cylinder 1, finally, the thread head 31 is threaded in the threaded hole to be progressive through rotating the limit cover 3 until the thread head is in contact with the rotary head 22, the central shaft 21 is extruded and fixed, the shaft cylinder 24 and the drawing 25 are limited and fixed, and the drawing 25 is not prolonged and scattered due to random rotation;

when the drawing paper 25 is used (torn), the screw cap 2 is directly rotated to unscrew, the central shaft 21, the rotating head 22, the limiting strips 23 and the shaft barrel 24 are taken out of the inner barrel cavity of the drawing barrel 1, the shaft barrel 24 is directly taken down from the outer annular walls of the central shaft 21 and the limiting strips 23, the shaft barrel 24 wound with the drawing paper 25 is inserted into the outer annular walls of the central shaft 21 and the limiting strips 23 again, the screw cap 2 is screwed, the drawing paper 25 is reloaded into the inner barrel cavity of the drawing barrel 1, and the movable side edge of the drawing paper 25 extends from the strip-shaped hole 11 to form a small section, so that the drawing paper 25 is conveniently directly pulled next time.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a drawing device, includes drawing section of thick bamboo (1), the inner tube chamber has been seted up in drawing section of thick bamboo (1), its characterized in that, screw thread lid (2) are installed to drawing section of thick bamboo (1) one end screw thread, be provided with center pin (21) in the inner tube chamber, four spacing (23) of outer axle wall vertical fixation installation of center pin (21), the urceolus wall common cover of center pin (21) and spacing (23) is equipped with a section of thick bamboo (24), the urceolus wall of a section of thick bamboo (24) is rolled up around the cover and is had drawing (25), outside drawing section of thick bamboo (1) are extended to drawing section of thick bamboo (25) one side limit, drawing section of thick bamboo (1) other end is provided with spacing lid (3), spacing lid (3) one end fixed mounting screw thread head (31), screw thread head (31) screw thread installation is on the top of drawing section of thick bamboo (1).

2. A drawing device according to claim 1, wherein a rotary head (22) is fixedly mounted at the top end of the central shaft (21), a threaded hole is formed in the top end of the drawing cylinder (1) penetrating through the inner cylinder cavity, the rotary head (22) is rotatably mounted in the threaded hole, and the threaded head (31) is threadedly mounted in the threaded hole and is in contact with the rotary head (22).

3. A drawing device according to claim 1, characterized in that the top end of the limit cover (3) is provided with a jack, and a drawing pen (32) is inserted into the jack.

4. A drawing device according to claim 1, characterized in that the top end of the shaft cylinder (24) is provided with a limiting cavity penetrating through the bottom end, and the limiting cavity is designed in a matching way with the central shaft (21) and the limiting strips (23).

5. A drawing device according to claim 1, characterized in that the screw cap (2) is provided with a knob (27) at the end far away from the drawing cylinder (1), one end of the knob (27) is fixedly connected with a connecting shaft (26), one end of the connecting shaft (26) penetrates through the screw cap (2) to extend into the inner cylinder cavity, and is vertically and fixedly connected with one end of the central shaft (21).

6. A drawing device according to claim 1, characterized in that the outer cylinder wall of the drawing cylinder (1) is provided with a bar-shaped hole (11) penetrating through the inner cylinder cavity, one side of the drawing paper (25) extends out of the drawing cylinder (1) through the bar-shaped hole (11), and the outer cylinder wall of the drawing cylinder (1) is provided with a handle (12).