CN105674969A - Vernier compass - Google Patents
Vernier compass Download PDFInfo
- Publication number
- CN105674969A CN105674969A CN201610205648.1A CN201610205648A CN105674969A CN 105674969 A CN105674969 A CN 105674969A CN 201610205648 A CN201610205648 A CN 201610205648A CN 105674969 A CN105674969 A CN 105674969A
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- China
- Prior art keywords
- vernier
- compass
- graduated disc
- braking
- shell
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The invention provides a vernier compass. The vernier compass is a mechanical compass which is additionally provided with a vernier ring to improve the accuracy of data. In order to solve the problems that the mechanical compass only can accurately measure to 1 degree and errors are great, the 60-indexing vernier ring is arranged outside the compass and the mechanical compass can accurately measure to 1 second. A previous braking button is changed into a braking adjustable vernier button capable of moving in a 60-degree arc-shaped groove. A vernier totally has six periods, wherein scales are arranged in three periods, and the sum of radians of the scales of each section is 59 degrees; and the vernier looks like an annular graduated disc and the size of an adjustable interval is 60 degrees, thereby facilitating proximate regulation. Sharp needles are arranged at the starting point and the finishing point of each period of the vernier, and can be conveniently aligned to a locked compass pointer. Compared with the prior art, the vernier compass provided by the invention has the advantages that the indexing is 1/60 of that of an existing compass, a braking manner meets man-machine humanization, and thus the accuracy of recording data outdoors is easily improved; the cost is low; and the vernier compass is suitable for being used at a front intersection fixed point and a rear intersection fixed point, and being used for measuring azimuth angles and measuring the occurrence of geologic bodies.
Description
Technical field
The present invention relates to a kind of mechanical compass. Specifically, it is that a kind of ring slider of setting up is to improve the mechanical compass of the accuracy of field record data.
Background technology
The mechanical compass that current geology major practising method volume production shape in the wild uses can only be accurate to 1 °, although and the product precision such as electronic compass are higher, but costly, the limitation by electric power and satellite-signal in group's practice and remote districts, error can increase. It is thus desirable to the mechanical measurement instrument that a kind of degree of accuracy is higher.
Summary of the invention
Present invention aim at providing the mechanical compass of a kind of accuracy improving field record data.
For achieving the above object, mechanical compass has been done following improvement by the design: arranges the vernier of 60 calibration outside dish, then can be as accurate as 1 '. Original drag knob is changed into the braking can moved in arcuate groove and is regulated vernier button. Vernier is totally 6 cycles, and wherein there are scale in 3 cycles, and every section of scale radian sum is 59 °, is shaped as a graduated collar, and adjustable interval is sized to 60 °, in order to regulate nearby. Vernier cycle starting point, terminal are equipped with prong, and convenient and locking compass needle aligns.
Launch to describe in detail to vernier compass provided by the invention below: the present invention is a kind of mechanical compass adopting vernier to improve certainty of measurement, it is characterised in that comprising:
Magnetic needle, described magnetic needle is by the long and narrow pointer of the ferroalloy of permanent magnet magnetization, cobalt alloy or nickel alloy, can bypass the axle of its geometric center and rotates freely, and is cased with the metal wire of position adjustable to ensure balance;
Graduated disc, described graduated disc is the graduated collar of at least 360 deciles, and graduated disc indicates the numerical value of angle and is incremented by clockwise 0 ° of-360 ° of scope;
Vernier ring, described vernier ring is the rotatable endless member set up outside graduated disc;
Brake unit, described brake unit is utilize to change frictional force to control the fixing machinery with rotation of magnetic needle;
Regulating device, described adjustment device includes a series of gear being hidden in shell and gear and extends to adjusting knob or the set screw of case surface.
Shell, described shell is do not have ferromagnetic alloy shell and the clear glass covering graduated disc card.
Preferably, wherein graduated disc is characterised by: described graduated disc can rotate around its center of circle and regulate, equidistantly it is carved with teeth groove with the center of circle below its outer rim, and there is at least two hiding, that be fixed in the shell gear wheel such as not, wherein bigger one engages with the teeth groove below graduated disc, to perform coarse adjustment, less gear is engaged in the axle portion of relatively gear wheel, to perform fine setting;There is the adjusting nut of corresponding two gears respectively, the angular dimension that mark each rotation is adjusted on alloy shell surface.
Matingly, the vernier ring that vernier compass is set up is characterised by: described vernier ring totally 6 cycles being sized to 59 °, and wherein 3 mutual non-conterminous cycles are carved with the scale of 60 deciles; Vernier cycle starting point, terminal are equipped with the short prong pointing to the center of circle, and convenient and locking compass needle aligns.
Matingly, the vernier ring that described vernier compass is set up is characterised by: described vernier ring is rotatably fixed to outside graduated disc, and its geometric center overlaps with the geometric center of graduated disc, constitutes concentric circular.
Preferably, the compound mode of its housing and axis of magnetic needle is characterised by: described axis of magnetic needle is cylinder, and cross section is at least concentric double-layer; On axle, outside has equidistant chute along the direction of axle, and the outer casing inner wall outside axis of magnetic needle presents annular protrusion, and axis of magnetic needle is fixed on the protruding center of circle, bottom surface with screw tightening.
Preferably, described braking adopts lever braking, and one end braked by lever is the spring button protruding from shell, restricts and slides in the arc chute of graduated disc periphery size 60 °; The other end is hidden under graduated disc, when pressing the button, mentions pointer with the outer casing inner wall annular protrusion outside axis of magnetic needle for fulcrum and is fixed on original position.
Preferably, described brake lever is socketed with clamp ring shape and non-magnetic ball bearing with magnetic needle between centers.
From above-mentioned about description of the invention, practice content, vernier compass provided by the invention is compared with prior art, it has the beneficial effects that: this compass calibration is the sixtieth of existing compass, mode of braking meets man-machine harmony, be conducive to improving the accuracy of field record data, and cost is lower than electronic compass, this product is adapted at forward intersection fixed point, resection fixed point, measures azimuth, measures use during geologic body occurrence. Market is towards geological prospecting, engineers and technicians and Major thereof, or outdoor travel fan.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of one of them embodiment of the present invention.
Fig. 2 is the generalized section of one of them embodiment overwinding rotating shaft geometric center of the present invention.
Accompanying drawing labelling: 1: braking regulates vernier button; 2:60 ° of arc groove; 3: graduated disc; 4: prong; 5: vernier ring; 6: magnetic needle; 7: horizontal bubble dip measuring device; 8: shell; 9: brake lever; 10: axis of magnetic needle; 11: adjusting nut; 12: gear.
Detailed description of the invention
Understandable in order to make the purpose of the present invention, feature, advantage become apparent from, below in conjunction with the detailed description of the invention related in accompanying drawing, embodiments of the invention are clearly and completely described. Obviously, described embodiment is only a part of embodiment of the present invention rather than whole embodiment. Based on embodiments of the invention, all other embodiments that those skilled in the art obtain under not carrying out creative work premise, broadly fall into the scope of protection of the invention.
Circumferentor provided by the invention, its 8: the component locations such as minute surface on shell, metal arm, and the metal 8 of included minute surface: housing portion, attached 3: the metal 8 of graduated disc: the loose-leaf articulated manner of housing portion, 7: horizontal bubble dip measuring device feature is identical with tradition circumferentor, is not repeated herein.
The present invention is a kind of employing 5: vernier ring improves the mechanical compass of certainty of measurement, it is characterised in that comprising:
6: magnetic needle, described 6: magnetic needle is by the long and narrow pointer of the ferroalloy of permanent magnet magnetization, cobalt alloy or nickel alloy, can bypass the axle of its geometric center and rotates freely, and it is cased with the metal wire of position adjustable to ensure balance;
3: graduated disc, described 3: graduated disc is the annular 3 of at least 360 deciles: graduated disc, 3: graduated disc indicates the numerical value of angle and is incremented by clockwise 0 ° of-360 ° of scope;
5: vernier ring, described 5: vernier ring is 3: the rotatable endless member set up outside graduated disc;
Brake unit, described brake unit is utilize to change frictional force to control 6: magnetic needle, 5: vernier ring is fixing with the machinery rotated, and it is exposed to 8: the parts of shell are 1: braking adjustment vernier button;
Regulating device, described adjustment device includes a series of being hidden in 8: 12 in shell: gear and 12: gear extends to 8: the adjusting knob of case surface or set screw.
8: shell, described 8: shell is do not have ferromagnetic alloy 8: shell and covering 3: the clear glass of graduated disc card.
Preferably, wherein 3: graduated disc is characterised by: described 3: graduated disc can rotate around its center of circle and regulate, equidistantly it is carved with teeth groove with the center of circle below its outer rim, and have hiding, be fixed on 8: at least two in shell not etc. big 12: gear, wherein bigger one is with 3: the teeth groove engagement below graduated disc, to perform coarse adjustment, less 12: gear is engaged in bigger 12: the axle portion of gear, to perform fine setting; At alloy 8: case surface has corresponding two 12 respectively: the 11 of gear: adjusting nut, the angular dimension that mark each rotation is adjusted.
Matingly, vernier compass set up 5: vernier ring ring is characterised by: described 5: vernier ring totally 6 cycles being sized to 59 °, and wherein 3 mutual non-conterminous cycles are carved with the scale of 60 deciles; 5: vernier ring cycle starting point, terminal are equipped with and point to the short by 4 of the center of circle: prong, convenient and locking compass needle aligns.
Matingly, described vernier compass set up 5: vernier ring is characterised by: described 5: vernier ring is rotatably fixed to 3: outside graduated disc, its geometric center and 3: the geometric center of graduated disc overlaps, constitute concentric circular.
Preferably, wherein 8: shell and 10: the compound mode of axis of magnetic needle is characterised by: described 10: axis of magnetic needle is cylinder, cross section is at least concentric double-layer; On axle, outside has equidistant chute along the direction of axle, around 10: 8 outside axis of magnetic needle: outer casing inner wall presents annular protrusion, and 10: axis of magnetic needle is fixed on the protruding center of circle, bottom surface with screw tightening.
Preferably, described braking adopts lever braking, and one end braked by lever is 1: braking regulates vernier button, namely protrudes from 8: the spring button of shell, restricts in 3: the 2:60 ° of arc groove that graduated disc is peripheral, namely slides in the arc chute of size 60 °; The other end is hidden in 3: under graduated disc, pressing 1: when braking regulates vernier button, with around 10: 8 outside axis of magnetic needle: outer casing inner wall annular protrusion is mentioned pointer for fulcrum and is fixed on original position.
Matingly, described 9: brake lever and 10: magnetic needle between centers is socketed with clamp ring shape and non-magnetic ball bearing, 9: brake lever is close to 1: braking regulates vernier button one end by 5: vernier ring set connects.
From above-mentioned about description of the invention, practice content, vernier compass provided by the invention is compared with prior art, it has the beneficial effects that: set screw is become two from the one of conventional compass, coarse adjustment and fine setting can be realized, increase adjustable scope, and set up 5: vernier ring, minimum division value becomes original 1/60, and namely the more original compass of precision improves 60 times.Mode of braking meets man-machine harmony, is conducive to improving the accuracy of field record data, and cost is lower than electronic compass, and this product is adapted at forward intersection fixed point, resection fixed point, measures azimuth, measures use during geologic body occurrence. Market is towards geological prospecting, engineers and technicians and Major thereof, or outdoor travel fan.
Such scheme; it is only the description of the application preferably embodiment; but the protection domain of the application is not limited only to this; any people being familiar with this technology can realize easily in scope described herein; or do not change claim and relate to change or the replacement of ultimate principle; all should being encompassed within the protection domain of the application, namely the application protection domain should be as the criterion with claims.
Claims (7)
1. vernier compass, i.e. a kind of mechanical compass adopting vernier to improve certainty of measurement, it is characterized in that, comprising: magnetic needle, described magnetic needle is by the long and narrow pointer of the ferroalloy of permanent magnet magnetization, cobalt alloy or nickel alloy, can bypass the axle of its geometric center to rotate freely, and be cased with the metal wire of position adjustable to ensure balance;
Graduated disc, described graduated disc is the graduated collar of at least 360 deciles, and graduated disc indicates the numerical value of angle and is incremented by clockwise 0 ° of-360 ° of scope;
Vernier ring, described vernier ring is the rotatable endless member set up outside graduated disc;
Brake unit, described brake unit is utilize to change frictional force to control the fixing machinery with rotation of magnetic needle, and its parts being exposed to shell regulate vernier button for braking;
Regulating device, described adjustment device includes a series of gear being hidden in shell and gear and extends to adjusting knob or the set screw of case surface.
Shell, described shell is do not have ferromagnetic alloy shell and the clear glass covering graduated disc card.
2. vernier compass as claimed in claim 1, wherein graduated disc is characterised by:
Described graduated disc can rotate around its center of circle and regulate, equidistantly it is carved with teeth groove with the center of circle below its outer rim, and there is at least two hiding, that be fixed in the shell gear wheel such as not, wherein bigger one engages with the teeth groove below graduated disc, to perform coarse adjustment, less gear is engaged in the axle portion of relatively gear wheel, to perform fine setting; There is the adjusting nut of corresponding two gears respectively, the angular dimension that mark each rotation is adjusted on alloy shell surface.
3. vernier compass as claimed in claim 1, wherein vernier ring is characterised by:
In described vernier ring totally 6 cycles being sized to 59 °, wherein 3 mutual non-conterminous cycles are carved with the scale of 60 deciles; Vernier cycle starting point, terminal are equipped with the short prong pointing to the center of circle, and convenient and locking compass needle aligns.
4. the vernier compass as described in claim 1 or 3, wherein vernier ring is characterised by:
Described vernier ring is rotatably fixed to outside graduated disc, and its geometric center overlaps with the geometric center of graduated disc, constitutes concentric circular.
5. vernier compass as claimed in claim 1, the compound mode of its housing and axis of magnetic needle is characterised by:
Described axis of magnetic needle is cylindrical, and cross section is at least concentric double-layer; On axle, outside has equidistant chute along the direction of axle, and the outer casing inner wall outside axis of magnetic needle presents annular protrusion, and axis of magnetic needle is fixed on the protruding center of circle, bottom surface with screw tightening.
6. vernier compass as claimed in claim 1, wherein brake lever is characterised by:
Described braking adopts lever braking, and one end braked by lever is the spring button protruding from shell, and namely braking regulates vernier button, and it is restricted slides in the arc chute of graduated disc periphery size 60 °;The other end is hidden under graduated disc, when pressing braking and regulating vernier button, mentions pointer with the outer casing inner wall annular protrusion outside axis of magnetic needle for fulcrum and is fixed on original position.
7. the vernier compass as described in claim 1 or 6, wherein brake lever is characterised by:
Described brake lever is socketed with clamp ring shape and non-magnetic ball bearing with magnetic needle between centers, and brake lever regulates vernier button one end close to braking and connect by vernier ring set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610205648.1A CN105674969A (en) | 2016-04-01 | 2016-04-01 | Vernier compass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610205648.1A CN105674969A (en) | 2016-04-01 | 2016-04-01 | Vernier compass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105674969A true CN105674969A (en) | 2016-06-15 |
Family
ID=56225759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610205648.1A Pending CN105674969A (en) | 2016-04-01 | 2016-04-01 | Vernier compass |
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| Country | Link |
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| CN (1) | CN105674969A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107687844A (en) * | 2017-10-16 | 2018-02-13 | 中国煤炭地质总局第三水文地质队 | A kind of easily hydrogeological compass |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1077529A (en) * | 1992-09-12 | 1993-10-20 | 陈济仁 | A kind of multi-functional vernier north arrow |
| CN2313205Y (en) * | 1997-10-14 | 1999-04-07 | 哈尔滨光学仪器厂 | Geological compass |
| US6947351B1 (en) * | 1998-07-06 | 2005-09-20 | The British Masters Sa | Watch equipped with means for determining a location longitude |
| CN201218732Y (en) * | 2008-06-20 | 2009-04-08 | 谭腾蛟 | Laser positioning compass |
| CN101566474A (en) * | 2009-05-27 | 2009-10-28 | 中国地质调查局发展研究中心 | Positioning and directional digital geological compass with low cost, high precision and high integration |
| CN202630961U (en) * | 2012-05-29 | 2012-12-26 | 吴成剑 | Geology compass |
| CN104034321A (en) * | 2014-06-12 | 2014-09-10 | 长安大学 | Sun projection-based geological compass and pointing method |
| CN204108832U (en) * | 2014-04-22 | 2015-01-21 | 大连职业技术学院 | Movable angle vernier positioning ruler |
| CN204128558U (en) * | 2014-08-13 | 2015-01-28 | 中国电建集团华东勘测设计研究院有限公司 | Geologic compass |
| CN104359470A (en) * | 2014-11-04 | 2015-02-18 | 同济大学 | Dual-gravity geological compass |
| CN104976993A (en) * | 2015-07-21 | 2015-10-14 | 株洲四一仪表有限公司 | Integrated multi-purpose compass and measurement method thereof |
| CN204924250U (en) * | 2015-06-29 | 2015-12-30 | 李垚奇 | Seek quick marking auxiliary device of northern appearance |
| CN205049148U (en) * | 2015-10-26 | 2016-02-24 | 西安科技大学 | Multi -functional geological compass |
-
2016
- 2016-04-01 CN CN201610205648.1A patent/CN105674969A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1077529A (en) * | 1992-09-12 | 1993-10-20 | 陈济仁 | A kind of multi-functional vernier north arrow |
| CN2313205Y (en) * | 1997-10-14 | 1999-04-07 | 哈尔滨光学仪器厂 | Geological compass |
| US6947351B1 (en) * | 1998-07-06 | 2005-09-20 | The British Masters Sa | Watch equipped with means for determining a location longitude |
| CN201218732Y (en) * | 2008-06-20 | 2009-04-08 | 谭腾蛟 | Laser positioning compass |
| CN101566474A (en) * | 2009-05-27 | 2009-10-28 | 中国地质调查局发展研究中心 | Positioning and directional digital geological compass with low cost, high precision and high integration |
| CN202630961U (en) * | 2012-05-29 | 2012-12-26 | 吴成剑 | Geology compass |
| CN204108832U (en) * | 2014-04-22 | 2015-01-21 | 大连职业技术学院 | Movable angle vernier positioning ruler |
| CN104034321A (en) * | 2014-06-12 | 2014-09-10 | 长安大学 | Sun projection-based geological compass and pointing method |
| CN204128558U (en) * | 2014-08-13 | 2015-01-28 | 中国电建集团华东勘测设计研究院有限公司 | Geologic compass |
| CN104359470A (en) * | 2014-11-04 | 2015-02-18 | 同济大学 | Dual-gravity geological compass |
| CN204924250U (en) * | 2015-06-29 | 2015-12-30 | 李垚奇 | Seek quick marking auxiliary device of northern appearance |
| CN104976993A (en) * | 2015-07-21 | 2015-10-14 | 株洲四一仪表有限公司 | Integrated multi-purpose compass and measurement method thereof |
| CN205049148U (en) * | 2015-10-26 | 2016-02-24 | 西安科技大学 | Multi -functional geological compass |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107687844A (en) * | 2017-10-16 | 2018-02-13 | 中国煤炭地质总局第三水文地质队 | A kind of easily hydrogeological compass |
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Address after: Institute of geochemistry, Chinese Academy of Sciences, 99 Lincheng West Road, guanshanhu District, Guiyang City, Guizhou Province, 550081 Applicant after: Yang Yi Address before: No. 149, Weier Road, Shizhong District, Jinan City, Shandong Province Applicant before: Yang Yi |