CN211519063U

CN211519063U - Drawing instrument

Info

Publication number: CN211519063U
Application number: CN201922069563.7U
Authority: CN
Inventors: 黄大平
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-09-18
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses a plotter, including last casing, lower casing, a plurality of spacing spout, a plurality of shaft hole and a plurality of arc accessory plate, its characterized in that, it is a plurality of spacing spout in it is the circumference form and distributes to go up the casing, and is a plurality of the shaft hole in the casing is circumference form and distributes, and is a plurality of the range upon range of setting of arc accessory plate, and is a plurality of the arc accessory plate is close to the side in the centre of a circle and encloses and close and form a circumference, the upper surface of arc accessory plate is equipped with the slider, the lower surface of arc accessory plate is equipped with the center pin, each the slider correspondence of arc accessory plate is installed in one in the spacing spout, each the center pin correspondence is installed in one in the shaft. When the limiting sliding groove is used, the upper shell is rotated, the limiting sliding groove, the sliding block and the arc-shaped auxiliary plate can be sequentially driven, and the size of the circumference formed by the arc-shaped auxiliary plate is changed accordingly. Through simple structure, can satisfy the circular drawing demand to equidimension not, convenient to use, simple structure, it is safe portable.

Description

Drawing instrument

Technical Field

The utility model relates to a drawing tool technical field especially relates to a plotter.

Background

In daily life, people often need drawing, various drawing tools are used for assisting in drawing, and the tools are particularly needed for assisting in drawing circular diagrams. The existing circular drawing auxiliary tool is basically a compass, but the compass needs to accurately calculate the required radius in the use process, the influence of the change of the radius of the compass on drawing needs to be careful in use, and the needle point of the compass can be fixed at the circle center during drawing, so that the drawing is easily damaged. And some auxiliary circular drawing tools are inconvenient to use, and some auxiliary circular drawing tools cannot meet the requirement of drawing circles with different sizes. Therefore, the invention provides the circular drawing auxiliary tool which is convenient, safe and portable to use, and has more progressive significance.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a plotter, simple structure, convenient to use, it is safe portable, but also can protect the drawing of circular shape drawing not destroyed.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a plotter, including last casing, lower casing, a plurality of spacing spout, a plurality of shaft hole and a plurality of arc accessory plate, its characterized in that, it is a plurality of spacing spout in it is the circumference form and distributes to go up the casing, and is a plurality of the shaft hole in the casing is the circumference form and distributes, and is a plurality of the range upon range of setting of arc accessory plate, and is a plurality of the arc accessory plate is close to the side in the centre of a circle and encloses and close and form a circumference, the upper surface of arc accessory plate is equipped with the slider, the lower surface of arc accessory plate is equipped with the center pin, each the slider correspondence of arc accessory plate is installed in one in the spacing spout, each the center pin correspondence is installed in one in.

Furthermore, the upper shell comprises a cover body and a sliding groove plate, the sliding groove plate is fixed on the cover body, and the limiting sliding grooves are circumferentially distributed on the sliding groove plate.

Further, the sliding block is positioned at one end of the arc-shaped auxiliary plate, and the central shaft is positioned at the other end of the arc-shaped auxiliary plate.

Furthermore, the outer side wall of the upper shell is provided with a sliding buckle, the inner side wall of the lower shell is provided with a sliding clamping groove, the upper shell is installed in the lower shell, and the sliding buckle is installed in the sliding clamping groove in a sliding mode.

Furthermore, the upper shell is provided with scale marks, the side face of the lower shell is provided with an indication mark, and the indication mark moves relative to the scale marks when the upper shell rotates in the lower shell.

Further, still be equipped with the stopper on the slider, the stopper is located slider upper portion, prescribes a limit to the slider in the spacing spout.

The utility model has the advantages that: through the structure, when the auxiliary arc plate is used, the side edges close to the circle center enclose to form a circumference, the upper shell is rotated to drive the limiting sliding groove on the upper shell to move, the sliding block in the limiting sliding groove moves along with the limiting sliding groove, the auxiliary arc plate is driven to move, and the size of the circumference formed by the side edges close to the circle center of the arc auxiliary plate is changed along with the size of the circumference. Through simple structure, can satisfy the circular shape demand of drawing to equidimension not, convenient to use, simple structure, it is safe portable, but also can protect the circular shape drawing of drawing and not destroyed.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an internal view of the present invention;

fig. 3 is a schematic view of the split structure of the present invention;

fig. 4 is a partial cross-sectional view of the present invention;

FIG. 5 is a left side view of the arc-shaped auxiliary plate of the present invention;

FIG. 6 is a right side view of the arc auxiliary plate of the present invention;

fig. 7 is a state view of the present invention;

fig. 8 is another state view of the present invention.

Detailed Description

Referring to fig. 1 to 8, a plotter includes an upper casing 1, a lower casing 2, a plurality of limiting sliding grooves 15, a plurality of shaft holes 21, and a plurality of arc-shaped auxiliary plates 4, wherein the plurality of limiting sliding grooves 15 are circumferentially distributed on the upper casing 1, the plurality of shaft holes are circumferentially distributed on the lower casing, the plurality of arc-shaped auxiliary plates 4 are stacked, a circumference 43 is formed by surrounding the side edges of the plurality of arc-shaped auxiliary plates 4 close to the center of a circle, a sliding block 41 is disposed on the upper surface of each arc-shaped auxiliary plate 4, a central shaft 42 is disposed on the lower surface of each arc-shaped auxiliary plate 4, the sliding block 41 of each arc-shaped auxiliary plate 4 is correspondingly mounted in one limiting sliding groove 15, and each central shaft 42 is correspondingly mounted in one shaft hole 21.

Through the structure, when the auxiliary arc plate is used, the side edges close to the circle center enclose to form a circumference, the upper shell is rotated to drive the limiting sliding groove on the upper shell to move, the sliding block in the limiting sliding groove moves along with the limiting sliding groove, the auxiliary arc plate is driven to move, and the size of the circumference formed by the side edges close to the circle center of the arc auxiliary plate is changed along with the size of the circumference. Through simple structure, can satisfy the circular shape demand of drawing to equidimension not, convenient to use, simple structure, it is safe portable, but also can protect the circular shape drawing of drawing and not destroyed.

In this embodiment, the upper housing 1 includes a cover 11 and a chute plate 12, the chute plate 12 is fixed on the cover 11, and the limiting chutes 15 are circumferentially distributed on the chute plate 12. Through lid, can hide inner structure such as grass board, make the structure setting of product more reasonable, more possess pleasing to the eye.

In this embodiment, the sliding block 41 is located at one end of the arc-shaped auxiliary plate 4, and the central shaft 42 is located at the other end of the arc-shaped auxiliary plate 4. The central shaft 42 is rotatably arranged in the shaft hole 21, and the sliding block 41 is slidably arranged in the limit sliding groove 15; specifically, the central shaft 42 is inserted into the shaft hole, and when the slider 41 slides in the limit chute 15, the central shaft of the arc auxiliary plate 4 can rotate in the shaft hole 21.

In this embodiment, the outer side wall of the upper housing 1 is provided with a sliding buckle 13, the inner side wall of the lower housing 2 is provided with a sliding clamping groove 22, the upper housing 1 is installed in the lower housing 2, and the sliding buckle 13 is installed in the sliding clamping groove 22 in a sliding manner. The sliding buckle 13 is slidably installed in the sliding clamping groove 22, so that the upper housing 1 and the lower housing 2 can be assembled together, and the relative rotation of the upper housing 1 and the lower housing 2 can be realized.

In this embodiment, the upper casing 1 is provided with scale marks 14, the side surface of the lower casing 2 is provided with an indication mark 23, and when the upper casing 1 rotates in the lower casing 2, the indication mark 23 moves relative to the scale marks 14. Specifically, the scale may be the size of the circumference 43, and the scale indicated by the indicator 23 changes as the upper housing rotates. During the use, only need to transfer the scale to the required size of oneself, the circle of supplementary drawing is the required size of user promptly, relatively, after supplementary drawing a circle, also can learn the size of circle according to the scale that pilot mark 23 indicated, convenient to use, easy operation.

In this embodiment, a limiting block 411 is further disposed on the sliding block 41, and the limiting block 411 is located on the upper portion of the sliding block 41 and limits the sliding block 41 in the limiting sliding groove 15. Slider 41 installs in spacing spout 15, and the size of spacing piece is greater than the size of spacing spout 15, inject slider 41 in spacing spout 15, prevent that slider 41 from breaking away from in spacing spout 15 at the slip in-process, ensure stable in structure, use more high-efficiently.

The foregoing is illustrative of one or more embodiments provided in connection with the detailed description and is not to be construed as limiting the invention to the precise embodiments disclosed herein. All with the utility model discloses a method, structure etc. are similar, the same, or to the utility model discloses make a plurality of technological deductions or replacement under the design prerequisite, all should regard as the utility model discloses a protection scope.

Claims

1. A plotter comprises an upper shell (1), a lower shell (2), a plurality of limiting sliding chutes (15), a plurality of shaft holes (21) and a plurality of arc-shaped auxiliary plates (4), it is characterized in that a plurality of limiting chutes (15) are circumferentially distributed on the upper shell (1), a plurality of shaft holes are circumferentially distributed on the lower shell, a plurality of arc-shaped auxiliary plates (4) are arranged in a stacking way, and the side edges of the plurality of arc-shaped auxiliary plates (4) close to the circle center enclose to form a circumference (43), the upper surface of the arc-shaped auxiliary plate (4) is provided with a sliding block (41), the lower surface of the arc-shaped auxiliary plate (4) is provided with a central shaft (42), the sliding block (41) of each arc-shaped auxiliary plate (4) is correspondingly arranged in one limiting sliding groove (15), and each central shaft (42) is correspondingly arranged in one shaft hole (21).

2. The plotter according to claim 1, characterized in that the upper casing (1) comprises a cover (11) and a chute plate (12), the chute plate (12) being fixed on the cover (11), the limiting runners (15) being circumferentially distributed on the chute plate (12).

3. A plotter according to claim 1, characterized in that the slider (41) is located at one end of the arched auxiliary plate (4) and the central shaft (42) is located at the other end of the arched auxiliary plate (4).

4. A plotter according to claim 1, characterized in that the outer side wall of the upper housing (1) is provided with a sliding catch (13), the inner side wall of the lower housing (2) is provided with a sliding catch (22), the upper housing is mounted in the lower housing, the sliding catch (13) is slidably mounted in the sliding catch (22).

5. A plotter according to claim 1, characterized in that the upper casing (1) is provided with graduation marks (14), and in that the lower casing (2) is provided with indication marks (23) on its sides, the indication marks (23) moving in relation to the graduation marks (14) when the upper casing (1) is rotated in the lower casing (2).

6. The plotter according to claim 1, characterized in that the slider (41) is further provided with a limit block (411), and the limit block (411) is located on the upper portion of the slider (41) to limit the slider (41) in the limit sliding groove (15).