CN205292034U - Novel compasses - Google Patents

Novel compasses Download PDF

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Publication number
CN205292034U
CN205292034U CN201521076198.8U CN201521076198U CN205292034U CN 205292034 U CN205292034 U CN 205292034U CN 201521076198 U CN201521076198 U CN 201521076198U CN 205292034 U CN205292034 U CN 205292034U
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CN
China
Prior art keywords
annulus
fixed
circle
rule
compasses
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
CN201521076198.8U
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Chinese (zh)
Inventor
石峰
郑参
孙昊
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.)
Shandong University of Science and Technology
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Shandong University of Science and Technology
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 Shandong University of Science and Technology filed Critical Shandong University of Science and Technology
Priority to CN201521076198.8U priority Critical patent/CN205292034U/en
Application granted granted Critical
Publication of CN205292034U publication Critical patent/CN205292034U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a novel compasses, compasses include the ring, are fixed with the bracing piece that passes the ring centre of a circle on the ring, and the middle part of bracing piece is that the centre of a circle department of ring is provided with the pivot. The scaled chi of cover is provided with first slider in the pivot on the scale, and the lower part of first slider is fixed with the pen. Still be fixed with the angular surveying piece on the compasses. Above -mentioned novel compasses, scale about shaft rotation, user of service rotate the scale, the circle or the circular arc of definite internal diameter that can draw after moving first slider to an allocation. Still be fixed with the angular surveying piece on the compasses, the convenient angle of confirming the circular arc of drawing. Through above -mentioned novel compasses, the definite circular arc that user of service can be convenient or the internal diameter of circle, the angle of learning the circular arc of drawing that also can be convenient, the in -process of drawing need not use scale or protractor to coordinate, and the process of drawing is simple and convenient.

Description

A kind of novel bow compass
Technical field
This utility model relates to a kind of schooling apparatus, is specifically related to a kind of novel bow compass.
Background technology
Along with the development of science and technology, more and more higher for the requirement of picture accuracy of instrument in engineering, the requirement for compasses is also more and more higher, in the urgent need to the appearance of a kind of compasses that can realize several functions in drawing course. Common compasses are single picture circle or circular arc, also to coordinate ruler and protractor if desired. Drawing bowlder, people generally first measure round radius with ruler, then the distance of two feet of compasses is transferred to radius length, finally carry out the work of picture circle or circular arc; Also need to be measured by protractor the radian of circular arc after painting. But the bipod of compasses easily moves, draw not accurate, it is necessary to ruler and protractor with the use of, considerably increase the difficulty of picture, and when drawing, error easily occur.
Utility model content
During in order to solve in prior art by conventional drawing for compasses, it is necessary to ruler and protractor with the use of, the difficulty of picture is big, and easily occurs the problem of error when drawing, and this utility model provides a kind of novel bow compass.
A kind of novel bow compass, described compasses include annulus, described annulus is fixed with the support bar through the annulus center of circle, the middle part of described support bar and the circle centre position of annulus and is provided with rotating shaft. Being cased with rule in described rotating shaft, described rule is provided with the first slide block, the bottom of described first slide block is fixed with pen. Described compasses are further fixed on angular surveying part.
Preferably, described angular surveying part is made up of annulus and the angle index line being fixed on annulus. User of service can pass through the angle index line on annulus, it is determined that the angle of drawn circular arc; And annular radii is relatively big, comparing with the protractor that angle index line is engraved in small radii, same angle, arc length value is bigger, it is easier to check angle, and annulus can also be portrayed the angle of more subsection.
Preferably, described angular surveying part is 360 tolerance hornworks, and the center of circle of 360 tolerance hornworks overlaps with the center of circle of annulus. Measuring hornwork by 360, user of service may determine that the angle of drawn circular arc.
Further preferably, described a kind of novel bow compass being additionally provided with pointer, described pointer is enclosed within rotating shaft or fixes on the scale.When pointer is enclosed within rotating shaft, user of service can rotate and observe pointer, observes the radian of any two points; When pointer is positioned on rule, user of service can pass through pointer, confirms the radian of the relative initial point in rule position easily.
Preferably, described first slide block being provided with draw-in groove, the top of described draw-in groove is provided with stopper. The bottom of described draw-in groove is provided with spring groove, and the top of spring groove is provided with fixed block. The top of fixed block is provided with thin bar, and described rule is provided with multiple fixing hole suitable with thin bar; The bottom of described fixed block is also associated with return spring. The setting of affiliated draw-in groove, it is possible to prevent the first slide block and rule to be separated; The setting of described thin bar and return spring, it is possible to make the first slide block fixing motionless on the scale, when making picture, pen and rule keep geo-stationary, convenient draw.
Preferably, described annulus being provided with equally distributed at least three support, the bottom of support is provided with support spring.
Preferably, described annulus is provided with the slide rail of ring-type, the end of described rule be provided with in slide rail slide the second slide block. The setting of described slide rail and the second slide block, it is possible to play the effect of location, it is prevented that rotating shaft position moves.
This utility model compared with prior art, has the advantages that
Above-mentioned a kind of novel bow compass, described rule rotates around the axis, after the first slide block is moved to certain position by user of service, rotating scale chi, it is possible to draw the circle or circular arc of determining internal diameter. Described compasses are further fixed on angular surveying part, conveniently determine the angle of drawn circular arc. By above-mentioned a kind of novel bow compass, user of service can determine circular arc or the internal diameter of circle easily, it is also possible to learns the angle of drawn circular arc easily, does not need to use rule or protractor to coordinate in drawing processes, and drawing processes is simple and convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of novel bow compass.
Fig. 2 is the profile of a kind of novel bow compass rotating shaft place.
Fig. 3 is the profile of rule and annulus junction.
Fig. 4 is the structural representation of annulus.
Fig. 5 is the sectional view of the first slide block.
Fig. 6 is the bottom surface structure schematic diagram of rule.
Fig. 7 is the structural representation of angel measuring instrument.
1, annulus; 11, slide rail; 2, support bar; 21, rotating shaft; 3, rule; 31, the second slide block; 4, the first slide block; 41, draw-in groove; 42, stopper; 43, fixed block; 5, support; 51, spring is supported; 6,360 tolerance hornwork; 7, pointer.
Detailed description of the invention
Below in conjunction with Fig. 1 to Fig. 7, this utility model is described in detail.
Embodiment 1
A kind of novel bow compass, described compasses include annulus 1, described annulus 1 is fixed with the support bar 2 through annulus 1 center of circle, the middle part of described support bar 2 and the circle centre position of annulus 1 and is provided with rotating shaft 21. Being cased with rule 3 in described rotating shaft 21, described rule 3 is provided with the first slide block 4, the bottom of described first slide block 4 is fixed with pen. Being further fixed on angular surveying part on described compasses, described angular surveying part is made up of the angle index line on annulus and annulus. User of service can pass through the angle index line on annulus 1, it is determined that the angle of drawn circular arc; And annulus 1 radius is relatively big, comparing with the protractor that angle index line is engraved in small radii, same angle, arc length value is bigger, it is easier to check angle, annulus 1 can also be portrayed the angle of more subsection.
Further, described first slide block 4 being provided with draw-in groove 41, the top of described draw-in groove 41 is provided with stopper 42.The bottom of described draw-in groove 41 is provided with spring groove, and the top of spring groove is provided with fixed block 43; The top of fixed block 43 is provided with thin bar, and described rule 3 is provided with multiple fixing hole suitable with thin bar; The bottom of described fixed block 43 is also associated with return spring. The setting of affiliated draw-in groove 41, it is possible to prevent the first slide block 4 to be separated with rule 3; The setting of described thin bar and return spring, it is possible to make the first slide block 4 be fixed on rule 3 motionless, when making picture, pen and rule 3 keep geo-stationary, convenient draw.
Further, described annulus 1 being provided with equally distributed at least three support 5, the bottom of support 5 is provided with support spring 51.
Further, described annulus 1 is provided with the slide rail 11 of ring-type, the end of described rule 3 be provided with in slide rail 11 slide the second slide block 31. The setting of described slide rail 11 and the second slide block 31, it is possible to play the effect of location, it is prevented that rotating shaft 21 position is moved.
Embodiment 2
A kind of novel bow compass, described compasses include annulus 1, described annulus 1 is fixed with the support bar 2 through annulus 1 center of circle, the middle part of described support bar 2 and the circle centre position of annulus 1 are provided with rotating shaft 21, described rotating shaft 21 is cased with rule 3, being provided with the first slide block 4 on described rule 3, the bottom of described first slide block 4 is fixed with pen. Being further fixed on angular surveying part on described compasses, the center of circle that described angular surveying part is 360 tolerance hornworks 6,360 tolerance hornworks 6 overlaps with the center of circle of annulus 1. Being additionally provided with pointer 7 on described a kind of novel bow compass, described pointer 7 is enclosed within rotating shaft 21 or is fixed on rule 3. When pointer 7 is enclosed within rotating shaft 21, user of service can rotate and observe pointer 7, observes the radian of any two points; When pointer 7 is positioned on rule 3, user of service can pass through pointer 7 and confirm the radian of the relative initial point in rule 3 position easily.
Further, described first slide block 4 being provided with draw-in groove 41, the top of described draw-in groove 41 is provided with stopper 42. The bottom of described draw-in groove 41 is provided with spring groove, and the top of spring groove is provided with fixed block 43. The top of fixed block 43 is provided with thin bar, and described rule 3 is provided with multiple fixing hole suitable with thin bar; The bottom of described fixed block 43 is also associated with return spring. The setting of affiliated draw-in groove 41, it is possible to prevent the first slide block 4 to be separated with rule 3; The setting of described thin bar and return spring, it is possible to make the first slide block 4 be fixed on rule 3 motionless, when making picture, pen and rule 3 keep geo-stationary, convenient draw.
Further, described annulus 1 being provided with equally distributed at least three support 5, the bottom of support 5 is provided with support spring 51.
Further, described annulus 1 is provided with the slide rail 11 of ring-type, the end of described rule 3 be provided with in slide rail 11 slide the second slide block 31. The setting of described slide rail 11 and the second slide block 31, it is possible to play the effect of location, it is prevented that rotating shaft 21 position is moved.
Above-described embodiment 1 and the enforcement a kind of novel bow compass described in 2, described rule 3 21 rotates around the shaft, after the first slide block 4 is moved to certain position by user of service, rotating scale chi 3, it is possible to draw the circle or circular arc of determining internal diameter. Described compasses are further fixed on angular surveying part, conveniently determine the angle of drawn circular arc. By above-mentioned a kind of novel bow compass, user of service can determine circular arc or the internal diameter of circle easily, it is also possible to learns the angle of drawn circular arc easily, does not need to use rule 3 or protractor to coordinate in drawing processes, and drawing processes is simple and convenient.
Certainly; described above is not to restriction of the present utility model; this utility model is also not limited to the example above, the change made in essential scope of the present utility model of those skilled in the art, remodeling, interpolation or replacement, also should belong to protection domain of the present utility model.

Claims (7)

1. a novel bow compass, it is characterized in that, including annulus, described annulus is fixed with the support bar through the annulus center of circle, the middle part of described support bar and the circle centre position of annulus are provided with rotating shaft, being cased with rule in described rotating shaft, described rule is provided with the first slide block, the bottom of described first slide block is fixed with pen; Described compasses are further fixed on angular surveying part.
2. a kind of novel bow compass as claimed in claim 1, it is characterised in that described angular surveying part is made up of annulus and the angle index line being fixed on annulus.
3. a kind of novel bow compass as claimed in claim 1, it is characterised in that described angular surveying part is 360 tolerance hornworks, described 360 tolerance hornworks are fixed on support bar, and the center of circle of 360 tolerance hornworks overlaps with the center of circle of annulus.
4. a kind of novel bow compass as claimed in claim 3, it is characterised in that also including pointer, described pointer is enclosed within rotating shaft or fixes on the scale.
5. a kind of novel bow compass as claimed in claim 1, it is characterised in that being provided with draw-in groove on described first slide block, the top of described draw-in groove is provided with stopper; The bottom of described draw-in groove is provided with spring groove, and the top of spring groove is provided with fixed block, and the top of fixed block is provided with thin bar, and described rule is provided with multiple fixing hole suitable with thin bar; The bottom of described fixed block is also associated with return spring.
6. a kind of novel bow compass as claimed in claim 1, it is characterised in that being provided with equally distributed at least three support on described annulus, the bottom of support is provided with support spring.
7. novel bow compass as claimed in claim 1 a kind of, it is characterised in that be provided with in circular slide rail on described annulus, the second slide block that the end of described rule is provided with in slide rail to slide.
CN201521076198.8U 2015-12-21 2015-12-21 Novel compasses Expired - Fee Related CN205292034U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521076198.8U CN205292034U (en) 2015-12-21 2015-12-21 Novel compasses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521076198.8U CN205292034U (en) 2015-12-21 2015-12-21 Novel compasses

Publications (1)

Publication Number Publication Date
CN205292034U true CN205292034U (en) 2016-06-08

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Family Applications (1)

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CN201521076198.8U Expired - Fee Related CN205292034U (en) 2015-12-21 2015-12-21 Novel compasses

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106864114A (en) * 2017-03-09 2017-06-20 尹逊波 A kind of compasses
CN107097569A (en) * 2017-06-20 2017-08-29 屈雷涛 One kind teaching picture circle and oval apparatus
CN107878080A (en) * 2017-12-14 2018-04-06 王旭 A kind of automation picture circular arc device easy to operation
CN110271329A (en) * 2019-07-08 2019-09-24 上海理工大学 Disc compasses
CN110895140A (en) * 2019-11-26 2020-03-20 交通运输部南海航海保障中心广州海事测绘中心 Portable microtopography slope measuring device
CN115301985A (en) * 2022-09-29 2022-11-08 南通富力荣科技发展有限公司 Punching device for processing small articles

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106864114A (en) * 2017-03-09 2017-06-20 尹逊波 A kind of compasses
CN107097569A (en) * 2017-06-20 2017-08-29 屈雷涛 One kind teaching picture circle and oval apparatus
CN107878080A (en) * 2017-12-14 2018-04-06 王旭 A kind of automation picture circular arc device easy to operation
CN110271329A (en) * 2019-07-08 2019-09-24 上海理工大学 Disc compasses
CN110895140A (en) * 2019-11-26 2020-03-20 交通运输部南海航海保障中心广州海事测绘中心 Portable microtopography slope measuring device
CN115301985A (en) * 2022-09-29 2022-11-08 南通富力荣科技发展有限公司 Punching device for processing small articles

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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: 20160608

Termination date: 20161221

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