CN215397918U

CN215397918U - Multifunctional scale compasses

Info

Publication number: CN215397918U
Application number: CN202121273613.4U
Authority: CN
Inventors: 吕泽辉
Original assignee: Lv Zehui
Current assignee: Lv Zehui
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2022-01-04
Anticipated expiration: 2031-06-08

Abstract

The utility model discloses a multifunctional graduated compass, which comprises a fixed disc, wherein angle rulers are fixedly connected to the periphery of the top of the fixed disc, a rotating ring is rotatably connected to the outer diameter of the middle position of an ejector pin, a gauge rod is fixedly connected to the right side of the rotating ring, a graduated scale is fixedly connected to the front end of the gauge rod, a sliding block is connected to the gauge rod in a penetrating and sliding mode, and a fixed ring which is inclined by 45 degrees leftwards is fixedly connected to the middle position of the rear end of the sliding block. According to the utility model, the slide block slides on the gauge rod, so that the left end of the pointer corresponds to a desired radius scale position on the graduated scale, the first knob is rotated to rotate the first screw to fix the position of the slide block, the second knob is rotated to rotate the second screw to fix the position of the pen, the gauge rod is rotated to rotate the rotating ring on the thimble to draw an arc during drawing, the radian of the drawn arc can be determined through the angle scale, the arc with the required radius and the required degree can be drawn quickly and accurately, and the ruler is worthy of vigorous popularization.

Description

Multifunctional scale compasses

Technical Field

The utility model relates to the technical field of learning tools, in particular to a multifunctional scale compasses.

Background

In mathematics and drawing, compasses are used for drawing circles or strings, are usually used for drawing by ruler compasses, are divided into common compasses, spring compasses, point compasses, beam compasses, old-fashioned compasses, propelling pencil compasses, movable small compasses and the like, are usually made of metal, comprise two parts which are connected by a hinge, can be adjusted, and need to adopt a ruler to assist in drawing circles of different sizes when the compasses are used for drawing.

Chinese patent 201821024143.6 discloses a many function combination rule, including the mount, the mount top is equipped with the handle, and the bottom has the compasses foot that the symmetry set up through hinge swivelling joint, is equipped with the type of falling U notch at the end of left side compasses foot, has linked firmly the pin through adjusting screw in the type of falling U notch, pin one end is the pencil core, and the other end is for dividing the compasses needle. The compasses of this patent can't once only roll off the arc of appointed radius and radian, and each item data all need be measured out in advance, if forget ruler and protractor, the limit is difficult to continue to carry out the accuracy and draws, and is very inconvenient during the use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a multifunctional graduated compass.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a multi-functional scale compasses, includes the fixed disk, the shape of fixed disk top fixedly connected with bevel protractor and bevel protractor all around is hollow ring, fixed disk bottom intermediate position fixedly connected with thimble and thimble bottom are conical, it is connected with the swivel to rotate on the thimble intermediate position external diameter, swivel right side fixedly connected with gauge rod, gauge rod front end fixedly connected with scale, run through and sliding connection has the slider on the gauge rod, slider rear end intermediate position fixedly connected with 45 solid fixed rings that set up to the left bank, gu sliding connection has the pen in the fixed ring, gu fixed ring rear end intermediate position runs through and threaded connection has the second screw, slider front end intermediate position runs through and threaded connection has first screw.

As a further description of the above technical solution:

the middle position of the top of the fixed disc is fixedly connected with a handle.

As a further description of the above technical solution:

and the outer diameter of the middle position of the thimble is fixedly connected with a limiting ring and the rotating ring is connected on the limiting ring in a sliding way.

As a further description of the above technical solution:

and the rear end of the second screw is fixedly connected with a second knob.

As a further description of the above technical solution:

the gauge rod right-hand member fixedly connected with stopper.

As a further description of the above technical solution:

the slider front end left side fixedly connected with pointer and pointer sliding connection on the scale, and the position and the pen bottom position of pointer left end are in on same water flat line.

As a further description of the above technical solution:

the front end of the first screw is fixedly connected with a first knob.

The utility model has the following beneficial effects:

according to the utility model, the bottom end of the thimble is placed at the circle center, the sliding block slides on the gauge rod, the left end of the pointer corresponds to a desired radius scale position on the graduated scale, the first knob is rotated to enable the first screw to rotate to fix the position of the sliding block, the second knob is rotated to enable the second screw to rotate to fix the position of the pen, the stabilizing handle is supported to rotate the gauge rod during drawing to enable the rotating ring to rotate on the thimble, so that the arc can be drawn, the radian of the drawn arc can be determined through the angle ruler, the radian and the radius are considered during drawing, secondary operation is not needed, the arc with the required radius and the required degree can be drawn quickly and accurately, the pen can be inclined by 45 degrees for fixation through the fixing ring inclined by 45 degrees, when the drawn arc radius is smaller, the pen point can also extend into the bottom area of the fixing disc for drawing, the use is more convenient, and the pen is worth of great popularization.

Drawings

FIG. 1 is a perspective view of a multi-functional graduated compass provided by the present invention;

FIG. 2 is a side perspective view of the multifunctional scale compasses provided by the utility model;

fig. 3 is a top view of the multifunctional scale compasses provided by the utility model.

Illustration of the drawings:

1. fixing the disc; 2. an angle ruler; 3. a handle; 4. a thimble; 5. a rotating ring; 6. a limiting ring; 7. a gauge rod; 8. a graduated scale; 9. a first screw; 10. a limiting block; 11. a slider; 12. a pointer; 13. a pen; 14. a first knob; 15. a fixing ring; 16. a second knob; 17. a second screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, one embodiment of the present invention is provided: a multifunctional graduated compass comprises a fixed disk 1, wherein an angle ruler 2 is fixedly connected to the periphery of the top of the fixed disk 1, the angle ruler 2 is in a hollow ring shape, a thimble 4 is fixedly connected to the middle position of the bottom of the fixed disk 1, the bottom end of the thimble 4 is in a conical shape, a rotating ring 5 is rotatably connected to the outer diameter of the middle position of the thimble 4, a gauge rod 7 is fixedly connected to the right side of the rotating ring 5, a graduated scale 8 is fixedly connected to the front end of the gauge rod 7, a sliding block 11 penetrates through and is slidably connected to the gauge rod 7, the bottom end of the thimble 4 is firstly placed at the circle center, the sliding block 11 slides on the gauge rod 7, so that a pointer 12 corresponds to the desired radius graduation position on the graduated scale 8, a fixing ring 15 which inclines to the left by 45 degrees is fixedly connected to the middle position of the rear end of the sliding block 11, a pen 13 is slidably connected to the fixing ring 15 which inclines by 45 degrees, and can be fixed by 45 degrees, when the arc radius of drawing is less, nib 13 also can stretch into 1 bottom region of fixed disk and carry out the drawing, it is more convenient to use, it makes swivel becket 5 rotate on thimble 4 and can draw the arc to hold up steady handle 3 during the drawing, can confirm the curved radian of drawing through angle chi 2, compromise radian and radius when drawing, need not secondary operation, gu 15 rear end intermediate positions of fixed ring run through and threaded connection has

second screw

17, 11 front end intermediate positions of slider run through and threaded connection has first screw 9, it makes first screw 9 rotate the rigidity with slider 11 to rotate first knob 14, it makes second screw 17 rotate the rigidity with 13 to rotate the second knob 16.

Fixed disk 1 top intermediate position fixedly connected with handle 3, fixedly connected with spacing ring 6 and swivel becket 5 sliding connection on spacing ring 6 on the 4 intermediate position external diameters of thimble, second screw 17 rear end fixedly connected with

second knob

16, 7 right-hand members fixedly connected with stopper 10 of gauge staff, can support swivel becket 5 through spacing ring 6, can carry out spacing protection to slider 11 through stopper 10, slider 11 front end left side fixedly connected with pointer 12 and pointer 12 sliding connection on scale 8, and the position of pointer 12 left end is in on the same water flat line with 13 bottom position of pen, the first knob 14 of 9 front end fixedly connected with of first screw.

The working principle is as follows: firstly, the bottom end of an ejector pin 4 is placed at the center of a circle, a sliding block 11 slides on a gauge rod 7, a pointer 12 corresponds to a desired radius scale position on a graduated scale 8, a first knob 14 is rotated to rotate a first screw 9 to fix the position of the sliding block 11, a second knob 16 is rotated to rotate a second screw 17 to fix the position of a pen 13, a stabilizing handle 3 is supported to rotate the gauge rod 7 to rotate a rotating ring 5 on the ejector pin 4 to draw an arc during drawing, the radian and radius of the drawn arc can be determined through an angle ruler 2, secondary operation is not needed during drawing, the rotating ring 5 can be supported through a limiting ring 6, the sliding block 11 can be limited and protected through a limiting block 10, the pen 13 can be similarly inclined for 45 degrees to be fixed through a fixing ring 15 inclined for 45 degrees, when the drawn arc radius is smaller, a pen point 13 can also extend into the bottom area of a fixing disc 1 to draw, the use is more convenient.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a multi-functional scale compasses, includes fixed disk (1), its characterized in that: the periphery of the top of the fixed disc (1) is fixedly connected with an angle ruler (2), the angle ruler (2) is in a hollow circular ring shape, a thimble (4) is fixedly connected at the middle position of the bottom of the fixed disc (1), the bottom end of the thimble (4) is conical, a rotating ring (5) is rotatably connected on the outer diameter of the middle position of the thimble (4), a gauge rod (7) is fixedly connected on the right side of the rotating ring (5), a graduated scale (8) is fixedly connected at the front end of the gauge rod (7), a sliding block (11) penetrates through and is connected with the gauge rod (7) in a sliding manner, the middle position of the rear end of the sliding block (11) is fixedly connected with a fixed ring (15) which is inclined by 45 degrees to the left, the pen (13) is connected in the fixing ring (15) in a sliding way, the middle position of the rear end of the fixing ring (15) penetrates through and is connected with a second screw (17) in a threaded way, the middle position of the front end of the sliding block (11) penetrates through and is in threaded connection with a first screw (9).

2. The multi-functional graduated compass according to claim 1, wherein: the middle position of the top of the fixed disc (1) is fixedly connected with a handle (3).

3. The multi-functional graduated compass according to claim 1, wherein: and the outer diameter of the middle position of the thimble (4) is fixedly connected with a limit ring (6) and a rotating ring (5) is connected on the limit ring (6) in a sliding way.

4. The multi-functional graduated compass according to claim 1, wherein: and the rear end of the second screw (17) is fixedly connected with a second knob (16).

5. The multi-functional graduated compass according to claim 1, wherein: the gauge rod (7) is fixedly connected with a limiting block (10) at the right end.

6. The multi-functional graduated compass according to claim 1, wherein: slider (11) front end left side fixedly connected with pointer (12) and pointer (12) sliding connection on scale (8), and the position and the pen (13) bottom position of pointer (12) left end are in on the same water flat line.

7. The multi-functional graduated compass according to claim 1, wherein: the front end of the first screw (9) is fixedly connected with a first knob (14).