CN219154099U

CN219154099U - Multifunctional stationery

Info

Publication number: CN219154099U
Application number: CN202320153791.6U
Authority: CN
Inventors: 邵骏扬; 王紫民; 王康琪; 林诗欣; 赵天阳
Original assignee: Guangdong University of Technology
Current assignee: Guangdong University of Technology
Priority date: 2023-02-03
Filing date: 2023-02-03
Publication date: 2023-06-09
Anticipated expiration: 2033-02-03

Abstract

The utility model discloses a multifunctional stationery, which comprises a disc, a ruler and a painting brush; angle scale marks uniformly distributed along the circumferential direction are arranged on the surface of the disc; the number of the straight rulers is two, and one end of each straight ruler is rotatably connected to the center of the disc; the side surface of the ruler is provided with a sliding groove which extends along the length direction of the ruler; the ruler is provided with a reference line which is used for being aligned with scales of the disc; the painting brush is connected in the sliding groove through the sliding block; the center of the painting brush, the reference line of the ruler and the center of the disc are positioned on the same plane. The multifunctional stationery not only can draw a circle, measure the length and the angle, but also can draw a circular arc line with a specified angle and a specified radius, and has various functions.

Description

Multifunctional stationery

Technical Field

The utility model relates to stationery, in particular to multifunctional stationery.

Background

Today, students are very diverse in stationery: stationery devices such as a ruler, a compass, a protractor and the like are endlessly layered. The document instrument in life often occupies more storage space, and simultaneously, if want to realize accurate angulation, draw circle and circular arc etc. often need various instruments to mutually support, operation steps are more, and is efficient.

Therefore, the prior art provides stationery with multiple functions, such as a multifunctional tool combining a compass, a protractor and a ruler, disclosed by the utility model with the authorized publication number of CN201566322U, and the multifunctional tool is simple to use and is the same as a common tool, so that people can buy one piece to obtain multiple purposes, thereby saving funds and being convenient to carry, and the multifunctional tool is an ideal multifunctional tool and is widely used in daily life.

The above-described multi-function tool still has the following problems:

although a circle can be drawn, it is difficult to draw a circular arc of a specified angle, and other tools are needed to enhance the function.

Disclosure of Invention

The utility model aims to overcome the problems, and provides a multifunctional stationery which can draw circles, measure lengths and angles, draw circular arcs with specified angles and radiuses and has multiple functions.

The aim of the utility model is achieved by the following technical scheme:

a multifunctional stationery comprises a disc, a ruler and a painting brush;

angle scale marks uniformly distributed along the circumferential direction are arranged on the surface of the disc;

the number of the straight rulers is two, and one end of each straight ruler is rotatably connected to the center of the disc; the side surface of the ruler is provided with a sliding groove which extends along the length direction of the ruler; the ruler is provided with a reference line which is used for being aligned with scales of the disc;

the painting brush is connected in the sliding groove through the sliding block; the center of the painting brush, the reference line of the ruler and the center of the disc are positioned on the same plane.

The working principle of the multifunctional stationery is as follows:

the length and angle measurements can be made by operating the straightedge and the disc separately.

When drawing a circle, the drawing pen is slid to the corresponding scale of the ruler, and then the ruler and the drawing pen are driven to rotate for a circle, so that the circle with the specified size can be obtained.

When an arc is drawn, two rulers are placed according to the known angle of the arc, so that reference lines of the two rulers are respectively aligned with corresponding angle scale lines on the disc, and at the moment, the included angle between the two rulers is equal to the angle corresponding to the arc; according to the known radius of the circular arc, moving the painting brush on one straight ruler to the position of the corresponding length scale line; and then driving the brushes on the one ruler to rotate in a direction close to the other ruler, and drawing a desired arc line through the brushes on the one ruler in the rotating process.

In a preferred embodiment of the utility model, the sliding block is provided with a sliding part which fits in the sliding groove.

In a preferred embodiment of the present utility model, the sliding block is provided with a rotary folding hole, and the rotary folding hole extends along a direction parallel to a length direction of the ruler;

one end of the rotary folding hole is communicated with the upper surface of the sliding block, and the other end of the rotary folding hole is communicated with the lower surface of the sliding block;

the painting brush is rotationally connected in the rotary folding hole; in the unfolded state, the painting brush is perpendicular to the extending direction of the rotary folding hole; in the folded state, the painting brush is parallel to the extending direction of the rotary folding hole. Through the structure, the painting brush can be rotated to be parallel to the ruler in a non-working state, so that occupied space is reduced, and the painting brush is convenient to store and carry.

In a preferred embodiment of the utility model, a first fixing pin is arranged below the center of the disc, so that the disc is fixed during measurement, and displacement of the disc is prevented, and measurement is influenced.

Further, the top of the first fixing needle is rotatably connected below the center of the disc; the disc is provided with a first storage groove for storing the first fixing needle. Therefore, in the non-working state, the first fixing needle can be stored in the first storage groove, occupied space is reduced, and storage and carrying are facilitated.

In a preferred scheme of the utility model, a second fixed needle is rotatably connected below the disc; the disc is provided with a second storage groove for storing the second fixed needle.

Further, in a direction parallel to the center of the disc, the 0 degree scale mark of the disc or an extension line thereof passes through the center of the second thimble.

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

the multifunctional stationery disclosed by the utility model not only can draw a circle, measure the length and the angle, but also can draw an arc line with a specified angle and a specified radius, and has multiple functions.

Drawings

Fig. 1 is a schematic perspective view of one view of the multifunctional stationery of the present utility model, wherein one brush is in a folded state.

Fig. 2 is a schematic perspective view of another view of the multifunctional stationery of the present utility model, in which the first fixing needle and the second fixing needle are in a folded state.

Fig. 3 is a side view of the multi-functional stationery of the present utility model.

Fig. 4 is a top view of the multi-functional stationery of the present utility model.

Detailed Description

In order that those skilled in the art will well understand the technical solutions of the present utility model, the following describes the present utility model further with reference to examples and drawings, but the embodiments of the present utility model are not limited thereto.

Referring to fig. 1 to 4, the multifunctional stationery of the present embodiment includes a disc 1, a ruler 2 and a brush 3; the surface of the disc 1 is provided with angle scale marks uniformly distributed along the circumferential direction; the number of the straight rulers 2 is two, and one end of each straight ruler 2 is rotatably connected to the circle center of the disc 1; a sliding groove 2-1 is arranged on the side surface of the ruler 2, and the sliding groove 2-1 extends along the length direction of the ruler 2; the ruler 2 is provided with a reference line for aligning with the scales of the disc 1; the painting brush 3 is connected in the sliding groove 2-1 through a sliding block 4, the sliding block 4 is provided with a sliding part, and the sliding part is matched in the sliding groove 2-1; the center of the painting brush 3, the reference line of the ruler 2 and the center of the disc 1 are positioned on the same plane.

Referring to fig. 1 to 4, a preferred embodiment of the present utility model is provided in which the slider 4 is provided with a rotary folding hole extending in a direction parallel to the length direction of the ruler 2; one end of the rotary folding hole is communicated with the upper surface of the sliding block 4, and the other end of the rotary folding hole is communicated with the lower surface of the sliding block 4; the painting brush 3 is rotatably connected in the rotary folding hole; in the unfolded state, the painting brush 3 is perpendicular to the extending direction of the rotary folding hole; in the folded state, the brush 3 is parallel to the extending direction of the rotating folding hole. Through the structure, the painting brush 3 can be rotated to be parallel to the ruler 2 in a non-working state, so that occupied space is reduced, and the painting brush is convenient to store and carry.

Referring to fig. 1-4, a preferred embodiment of the utility model is shown wherein a first pin 5 is provided below the centre of the disc 1 to secure the disc 1 against displacement during measurement and to influence the measurement.

Further, the top of the first fixing needle 5 is rotatably connected below the center of the disc 1; the disc 1 is provided with a first accommodating groove for accommodating the first fixing needle 5. Thus, in the non-working state, the first fixing needle 5 can be stored in the first storage groove, so that occupied space is reduced, and the storage and the carrying are convenient.

Referring to fig. 1-4, a second fixed needle 6 is rotatably connected below the disc 1; the disc 1 is provided with a second storage groove for storing the second fixed needle 6.

Further, in a direction parallel to the center of the disc 1, the 0 degree scale mark of the disc 1 or an extension line thereof passes through the center of the second ejector pin.

Referring to fig. 1 to 4, the working principle of the multifunctional stationery of the present embodiment is:

the length and angle are measured by operating the straightedge 2 and the disc 1 separately.

When drawing a circle, the painting brush 3 is slid to the corresponding scale of the ruler 2, and then the ruler 2 and the painting brush 3 are driven to rotate for one circle, so that the circle with the specified size can be obtained.

When an arc is drawn, two rulers 2 are placed according to the known angle of the arc, so that reference lines of the two rulers 2 are respectively aligned with corresponding angle scale marks on the disc 1, and at the moment, the included angle between the two rulers 2 is equal to the angle corresponding to the arc; according to the known radius of the circular arc, moving the painting brush 3 on one straight ruler 2 to the position of the corresponding length scale line; then the brush 3 on one of the straightedges 2 is driven to rotate in a direction approaching the other straight edge 2, and a desired arc line is drawn by the brush 3 on the one straight edge 2 in the rotating process.

The foregoing is illustrative of the present utility model, and is not to be construed as limiting thereof, but rather as various changes, modifications, substitutions, combinations, and simplifications which may be made without departing from the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. A multifunctional stationery comprises a disc, a ruler and a painting brush; it is characterized in that the method comprises the steps of,

2. The multi-functional stationery according to claim 1, wherein the sliding block is provided with a sliding portion which is fitted in the sliding groove.

3. The multifunctional stationery according to claim 1 or 2, wherein the sliding block is provided with a rotary folding hole which extends in a direction parallel to the length direction of the ruler;

the painting brush is rotationally connected in the rotary folding hole; in the unfolded state, the painting brush is perpendicular to the extending direction of the rotary folding hole; in the folded state, the painting brush is parallel to the extending direction of the rotary folding hole.

4. The multi-functional stationery according to claim 1, wherein a first fixing pin is provided under the center of the circular disk.

5. The multi-functional stationery of claim 4, wherein the top of the first pin is rotatably connected below the center of the circular disc; the disc is provided with a first storage groove for storing the first fixing needle.

6. The multifunctional stationery according to claim 1, wherein a second fixing needle is rotatably connected to the lower part of the disc; the disc is provided with a second storage groove for storing the second fixed needle.

7. The multi-functional stationery according to claim 6, wherein the 0 degree scale mark of the circular disk or an extension thereof passes through the center of the second thimble in a direction parallel to the center of the circular disk.