CN205364939U - Multifunctional compasses - Google Patents

Multifunctional compasses Download PDF

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Publication number
CN205364939U
CN205364939U CN201521101815.5U CN201521101815U CN205364939U CN 205364939 U CN205364939 U CN 205364939U CN 201521101815 U CN201521101815 U CN 201521101815U CN 205364939 U CN205364939 U CN 205364939U
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CN
China
Prior art keywords
compasses
compass
leg
compass leg
fixture
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201521101815.5U
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Chinese (zh)
Inventor
胡剑梅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xinyu University
Original Assignee
Xinyu University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xinyu University filed Critical Xinyu University
Priority to CN201521101815.5U priority Critical patent/CN205364939U/en
Application granted granted Critical
Publication of CN205364939U publication Critical patent/CN205364939U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a multifunctional compasses, including articulated shaft, first compasses leg, second compasses leg and compasses work point, the upper end of first compasses leg and second compasses leg is all rotated with the articulated shaft and is connected, is fixed with the compasses handle at the articulated shaft top, the compasses handle is the metal cylinder, first compasses leg and second compasses leg are cylindrically, and it is sharp to be equipped with compasses work at first compasses leg lower extreme, compasses work point is fixed with two connecting rods including the pivot in the pivot, contained angle between two connecting rods is 90, is equipped with first mounting at one of them connecting rod front end, is provided with the lead on first mounting, is equipped with the second mounting at another connecting rod front end, is provided with the rubber on the second mounting, this device is low -priced through the common mouth of compasses that the setting has lead and rubber, can rotate pivot conversion, convenient and practical at any time when carrying out the drawing bowlder and cleaing away wrong pattern.

Description

A kind of multifunctional compass
Technical field
This utility model relates to mathematical tool, specifically a kind of multifunctional compass.
Background technology
In mathematical studying, especially the study of geometric knowledge, usually need to carry out geometric drafting, drafting for circular pattern, then have to use a kind of specific instrument and compasses, it is relatively simple for structure for conventional compasses, many formed by two compass leg tops are hinged, its function is also mostly more single, the drafting justified can only be carried out, and when drawing, the aid such as ruler needing other is determined the spacing between two compass legs and then determines drawn round radius size, use very inconvenient, and when drawing, often occur drawing deviation, also need to use rubber that the image of mistake is purged.
Utility model content
The purpose of this utility model is in that to provide a kind of multifunctional compass, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, this utility model provides following technical scheme:
A kind of multifunctional compass, including jointed shaft, the first compass leg, the second compass leg and compasses operation tip, the upper end of described first compass leg and the second compass leg is all rotationally connected with jointed shaft, is fixed with compasses handle at jointed shaft top, and described compasses handle is metal cylinder;Described first compass leg and the second compass leg are cylindrical, it is provided with compasses operation tip in the first compass leg lower end, described compasses operation tip includes rotating shaft, rotating shaft is fixed with two connecting rods, angle between said two connecting rod is 90 °, and a connecting rod front end is provided with the first fixture wherein, is provided with pencil-lead on the first fixture, it is provided with the second fixture in another connecting rod front end, the second fixture is provided with rubber;Described second compass leg lower end is provided with bow compass positioning pin, and described bow compass positioning pin is coniform;Described first compass leg top is fixed with protractor, described protractor is between the first compass leg and the second compass leg, protractor offers arc groove, described second compass leg top is provided with angle display, described angle display is drops, angle display is through arc groove and is positioned on protractor front face, described first compass leg is additionally provided with gage, is carved with length scale on gage.
As further program of the utility model: described compasses handle outer wall is provided with rough striped.
As this utility model further scheme: the length of described gage is identical with the length of the first compass leg.
Compared with prior art, the beneficial effects of the utility model are: mouth is low-priced altogether by being provided with the compasses of pencil-lead and rubber for this device, can change by rotating shaft at any time when carrying out picture bowlder and removing wrong patterns, convenient and practical, by set amount hornwork on the first compass leg, second compass leg arranges angle display, the angle between the first compass leg and the second compass leg is determined when carrying out being figure, conveniently determine the size of drawn radius of circle, save the measurement time, and by arranging gage on the first compass leg, the function making this device increases further.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of compasses operation tip in this utility model.
1-jointed shaft in figure, 2-compasses handle, 3-the first compass leg, 4-the second compass leg, 41-angle display, 42-bow compass positioning pin, 5-protractor, 51-arc groove, 6-compasses operation tip, 61-rotating shaft, 62-the first fixture, 63-pencil-lead, 64-the second fixture, 65-rubber, 7-gage.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
Refer to Fig. 1~2, in this utility model embodiment, a kind of multifunctional compass, including jointed shaft the 1, first compass leg the 3, second compass leg 4 and compasses operation tip 6, the upper end of described first compass leg 3 and the second compass leg 4 is all rotationally connected with jointed shaft 1, be fixed with compasses handle 2 at jointed shaft 1 top, described compasses handle 2 is metal cylinder, is provided with the rough striped for increasing frictional force on compasses handle 2 outer wall;Described first compass leg 3 and the second compass leg 4 are cylindrical, it is provided with compasses operation tip 6 in the first compass leg 3 lower end, described compasses operation tip 6 includes rotating shaft 61, rotating shaft 61 is fixed with two connecting rods, angle between said two connecting rod is 90 °, and a connecting rod front end is provided with the first fixture 62 wherein, is provided with pencil-lead 63 on the first fixture 62, it is provided with the second fixture 64 in another connecting rod front end, the second fixture 64 is provided with rubber 65;Described second compass leg 4 lower end is provided with bow compass positioning pin 42, described bow compass positioning pin 42 is in coniform, when being figure, by bow compass positioning pin 42, second compass leg 4 is fixed on paper, and rotating shaft 61 makes the centrage of pencil-lead 63 and the first compass leg 3 on same straight line, then hold compasses handle 2 and rotate, make pencil-lead 63 rotary picture circle centered by bow compass positioning pin 42, if made a mistake in drawing course, rotatable rotating shaft 61 makes the centrage of rubber 65 and the first compass leg 3 on same straight line, reversely rotate compasses handle 2 can the image that draw mistake be purged, easy to use;
Described first compass leg 3 top is fixed with protractor 5, described protractor 5 is between the first compass leg 3 and the second compass leg 4, protractor 5 offers arc groove 51, described second compass leg 4 top is provided with angle display 41, described angle display 41 is in drops, angle display 41 is through arc groove 51 and is positioned on protractor 5 front face, drawing bowlder, the angle between the first compass leg 3 and the second compass leg 4 is determined by angle display 41, conveniently determine the size of drawn radius of circle, described first compass leg 3 is additionally provided with gage 7, the length of described gage 7 is identical with the length of the first compass leg 3, gage 7 is carved with length scale, add the practicality of this device.
Operation principle of the present utility model is: this device is by being provided with the compasses mouth low-priced 6 altogether of pencil-lead 63 and rubber 65, can change by rotating shaft 61 at any time when carrying out picture bowlder and removing wrong patterns, convenient and practical, by set amount hornwork 5 on the first compass leg 3, second compass leg 4 arranges angle display 41, the angle between the first compass leg 3 and the second compass leg 4 is determined when carrying out being figure, conveniently determine the size of drawn radius of circle, save the measurement time, and by arranging gage 7 on the first compass leg 3, the function making this device increases further.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and when without departing substantially from spirit of the present utility model or basic feature, it is possible to realize this utility model in other specific forms.Therefore, no matter from which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than described above, it is intended that all changes in the implication of the equivalency dropping on claim and scope included in this utility model.Any accompanying drawing labelling in claim should be considered as the claim that restriction is involved.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but not each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should be made as a whole by those skilled in the art, and the technical scheme in each embodiment through appropriately combined, can also form other embodiments that it will be appreciated by those skilled in the art that.

Claims (3)

1. a multifunctional compass, including jointed shaft, the first compass leg, the second compass leg and compasses operation tip, it is characterised in that the upper end of described first compass leg and the second compass leg is all rotationally connected with jointed shaft, be fixed with compasses handle at jointed shaft top, described compasses handle is metal cylinder;Described first compass leg and the second compass leg are cylindrical, it is provided with compasses operation tip in the first compass leg lower end, described compasses operation tip includes rotating shaft, rotating shaft is fixed with two connecting rods, angle between said two connecting rod is 90 °, and a connecting rod front end is provided with the first fixture wherein, is provided with pencil-lead on the first fixture, it is provided with the second fixture in another connecting rod front end, the second fixture is provided with rubber;Described second compass leg lower end is provided with bow compass positioning pin, and described bow compass positioning pin is coniform;Described first compass leg top is fixed with protractor, described protractor is between the first compass leg and the second compass leg, protractor offers arc groove, described second compass leg top is provided with angle display, described angle display is drops, angle display is through arc groove and is positioned on protractor front face, described first compass leg is additionally provided with gage, is carved with length scale on gage.
2. a kind of multifunctional compass according to claim 1, it is characterised in that described compasses handle outer wall is provided with rough striped.
3. a kind of multifunctional compass according to claim 1, it is characterised in that the length of described gage is identical with the length of the first compass leg.
CN201521101815.5U 2015-12-28 2015-12-28 Multifunctional compasses Expired - Fee Related CN205364939U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521101815.5U CN205364939U (en) 2015-12-28 2015-12-28 Multifunctional compasses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521101815.5U CN205364939U (en) 2015-12-28 2015-12-28 Multifunctional compasses

Publications (1)

Publication Number Publication Date
CN205364939U true CN205364939U (en) 2016-07-06

Family

ID=56256404

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201521101815.5U Expired - Fee Related CN205364939U (en) 2015-12-28 2015-12-28 Multifunctional compasses

Country Status (1)

Country Link
CN (1) CN205364939U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106183559A (en) * 2016-09-27 2016-12-07 泉州惠安泉创文化用品有限公司 A kind of compasses with angular surveying
CN106945435A (en) * 2017-03-30 2017-07-14 周巽 A kind of multifunctional compass

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106183559A (en) * 2016-09-27 2016-12-07 泉州惠安泉创文化用品有限公司 A kind of compasses with angular surveying
CN106945435A (en) * 2017-03-30 2017-07-14 周巽 A kind of multifunctional compass

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160706

Termination date: 20161228

CF01 Termination of patent right due to non-payment of annual fee