CN202088745U

CN202088745U - Multifunctional compass

Info

Publication number: CN202088745U
Application number: CN2011201982574U
Authority: CN
Inventors: 刘加贵
Original assignee: Jianghan University
Current assignee: Jianghan University
Priority date: 2011-06-14
Filing date: 2011-06-14
Publication date: 2011-12-28
Anticipated expiration: 2021-06-14

Abstract

The utility model discloses a multifunctional compass, which comprises a first supporting foot, a second support foot and a graduated scale, wherein angle calibrations are arranged on the surface of the first supporting foot along the circumferential direction; one end of the graduated scale is sleeved on the first supporting foot in a rotatable manner; and the second supporting foot is sleeved on the graduated scale in a slideable manner. The multifunctional compass has multiple functions and a simple structure, and is convenient to carry.

Description

Multifunctional compass

Technical field

The utility model relates to drawing instrument, relates in particular to a kind of multifunctional compass.

Background technology

Compasses are a kind of drawing instruments commonly used, in drawing, are mainly used to draw circles or string.Under many circumstances, when drawing some figure, except drawing circle or circular arc, also need picture straight line, polygon or angular dimension, at this moment just also need to be equipped with ruler, protractor or other drawing instrument, so just bring inconvenience to the illustrator.

In view of the foregoing, a kind of multifunctional assembled compasses arise at the historic moment.These combined type compasses comprise compasses and protractor, and protractor is fixed on the handle of compasses by tubular rivet, are connected with the handle of compasses and be carved with yardstick on two legs of compasses and pass through two screws.During use, unscrew 180 ° of two leg flare ups that two screws make compasses, tighten two screws after, two legs of compasses ruler of just can being used as in alignment uses.Can draw the again circle of any radius of throughput hornwork.

Yet, on the one hand, existing combined type multipotency compasses can only be drawn the straight line of known length and the circle of known radius, and can not draw the circular arc of polygon or known angle, and also need to prepare in addition one-pen when drawing straight line, thereby the function of existing combined type multipotency compasses is comprehensive not enough, and is still inconvenient during use.On the other hand, the protractor of existing combined type multipotency compasses is bigger, has increased the volume of compasses, thus make combined type multipotency compasses carry and use inconvenience.Again on the one hand, existing combined type multipotency compasses are when ruler uses, and two screws of needs adjusting also need after finishing using to regulate two screws, thereby make and the complicated operation of existing combined type multipotency compasses reduced operating efficiency.

Therefore, be necessary to provide a kind of multifunctional compass to overcome the problems referred to above.

The utility model content

The purpose of this utility model provides a kind of function multifunctional compass many, simple in structure and easy to carry.

To achieve these goals, the utility model provides a kind of multifunctional compass, comprise first leg, second leg and rule, the surface of first leg along the circumferential direction is provided with angle index, one end of rule is socketed on first leg rotationally, and second leg is set on the rule slidably.

Preferably, along continuous straight runs offers chute on the rule, is provided with locking member between the chute of second leg and rule.

Preferably, first leg comprises nib, penholder and keeper, and nib is threaded with penholder, and keeper is plugged in nib and the penholder.Keeper is compasses pin or pen core.Understandably, nib is disassembled from last penholder, replace the compasses pin with pen core, like this, first leg can be used as one-pen and uses.

Preferably, second leg comprises first rod member, second rod member and pencil-lead, and the upper end of first rod member is slidingly mounted on the rule, and the lower end of first rod member and second rod member are hinged, and locking member is threaded on first bar, and pencil-lead is plugged in second rod member.First rod member and second rod member are hinged, further reduce distance between second leg and second leg by rotating second rod member, thereby draw the circle of radius between 0-0.5 centimetre.

Preferably, locking member is a screw.

Compared with prior art, on the one hand, first leg of the utility model multifunctional compass and second leg can be used as compasses and use, and rule can be used as ruler and uses, and by the position of second leg on rule of sliding, also can determine the picture radius of a circle.On the other hand,, can determine the center angle of drawn circular arc by rotating rule and the angle index that is engraved in the first leg surface, thus the circular arc and the regular polygon of the Len req that can draw.Again on the one hand, the utility model multifunctional compass simple in structure, easy to carry, cost is low and low-carbon environment-friendly.

By following description also in conjunction with the accompanying drawings, it is more clear that the utility model will become, and these accompanying drawings are used to explain embodiment of the present utility model.

Description of drawings

Fig. 1 is the structural representation of the utility model multifunctional compass.

The specific embodiment

With reference now to accompanying drawing, describe embodiment of the present utility model, the similar elements label is represented similar elements in the accompanying drawing.

As shown in Figure 1, the present embodiment multifunctional compass comprises first leg 10, second leg 20 and rule 30.Wherein, first leg 10 comprises nib 101, penholder 102 and keeper 103.The surface on penholder 102 tops along the circumferential direction is provided with angle index, and nib 101 is threaded with penholder 102, keeper 103 be plugged on written 101 and penholder 102 in.Preferably, keeper 103 is compasses pin or pen core.When keeper 103 was pen core, first leg 10 can be used as one-pen separately and use.

Second leg 20 comprises first rod member 201, second rod member 202 and pencil-lead 203.Rule 30 comprises socket part 301 and ruler portion 302.The socket part 301 of rule 30 is socketed in the upper end of the penholder 102 of first leg 10 rotationally.Ruler portion 302 along continuous straight runs of rule 30 offer chute 40, one locking members 41 and are threaded on first rod member 201 of second leg 20 and along chute 40 and slide, thereby second leg 20 is set on the rule 30 slidably.The lower end of first rod member 201 and second rod member 202 are hinged, and pencil-lead 203 is plugged in second rod member 202.Preferably, locking member 41 is a screw.

As from the foregoing, on the one hand, first leg 10 of the utility model multifunctional compass and second leg 20 can be used as compasses and use, and rule 30 can be used as ruler and uses, and by second position of leg 20 on rule 30 of sliding, also can determine the picture radius of a circle.On the other hand,, can determine the center angle of drawn circular arc by rotating rule 30 and the angle index that is engraved in first leg, 10 surfaces, thus the circular arc and the regular polygon of the Len req that can draw.Again on the one hand, the utility model multifunctional compass simple in structure, easy to carry, cost is low and low-carbon environment-friendly.

Abovely the utility model is described, but the utility model is not limited to the embodiment of above announcement, and should contains various modification, equivalent combinations of carrying out according to essence of the present utility model in conjunction with most preferred embodiment.

Claims

1. a multifunctional compass comprises first leg and second leg, it is characterized in that, also comprise rule, the surface of first leg along the circumferential direction is provided with angle index, and an end of rule is socketed on first leg rotationally, and second leg is set on the rule slidably.

2. multifunctional compass as claimed in claim 1 is characterized in that along continuous straight runs offers chute on the rule, is provided with locking member between the chute of second leg and rule.

3. multifunctional compass as claimed in claim 2 is characterized in that first leg comprises nib, penholder and keeper, and nib is threaded with penholder, and keeper is plugged in nib and the penholder.

4. multifunctional compass as claimed in claim 3 is characterized in that, keeper is compasses pin or pen core.

5. multifunctional compass as claimed in claim 4, it is characterized in that, second leg comprises first rod member, second rod member and pencil-lead, the upper end of first rod member is slidingly mounted on the rule, the lower end of first rod member and second rod member are hinged, locking member is threaded on first bar, and pencil-lead is plugged in second rod member.

6. multifunctional compass as claimed in claim 5 is characterized in that, locking member is a screw.