CN204988291U - Read formula compass soon with two graduation azimuth scales - Google Patents
Read formula compass soon with two graduation azimuth scales Download PDFInfo
- Publication number
- CN204988291U CN204988291U CN201520526359.2U CN201520526359U CN204988291U CN 204988291 U CN204988291 U CN 204988291U CN 201520526359 U CN201520526359 U CN 201520526359U CN 204988291 U CN204988291 U CN 204988291U
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- China
- Prior art keywords
- graduation
- compass
- azimuth
- north arrow
- circle
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Abstract
The utility model provides a read formula compass soon with two graduation azimuth scales, is the folded form compass, and including compass casing, compass lid and liquid damping compass, the liquid damping compass is installed on the compass casing, and its characterized in that, liquid damping compass be the revolution mechanic compass, and the liquid damping compass can be at the compass mounting hole internal rotation of compass casing, and the dial plate of liquid damping compass be ability pivoted pair graduation azimuth scales, in addition, it has an inclined plane groove to open in a side of compass casing, is carved with the grade rod on the inclined plane groove. The utility model discloses taking two graduation azimuth scales, utilizing the compass to carry out the survey of 60 -00 mil or 64 -00 mil and 360 two kinds of nominal values, the map that can be applicable to multiple proportion uses, through rotatory profile of tooth quotation, can confirm to have simple structure in the position very conveniently, convenient operation's characteristics.
Description
Technical field
The utility model relates to a kind of instrument and meter, be specifically related to a kind of north arrow, particularly a kind of compass of north arrow and survey instrument, belong to technology of instrument and meter field, the fields such as military affairs, navigation, field exploration, urban road map reading can be widely used in, also can be applicable to other with on the instrument and equipment of compass.
background technology:
North arrow is a kind of Simple tool for measuring orientation, is widely used in the interpretation of various directions, such as the field such as navigation, field exploration, urban road map reading.It is also the indispensable instrument of mountain climbing expedition.Ultimate principle utilizes magnetic field of the earth to act on, and by the effect indicating position of needle, it also can coordinate map to seek the position be in itself.
General north arrow is the orientation being used to observe user position, especially in the wild can the terrestrial reference of reference when failing to understand, utilizes the guide of north arrow can look for correct orientation as quickly as possible, to guarantee field work and personal safety; Usually when utilizing north arrow to measure, capital utilizes the compass be arranged on north arrow to carry out school team orientation, but at present adopt and revolve the north arrow reading formula compass structure and mostly be odd number value compass, its orientation reading is 0-360 ° of system of units, but when needs adopt the survey of 0-6000 mil (or 0-6400 mil) system of units to read, just need the conversion (as military) carried out between system of units, cumbersome, therefore necessary this to be improved.
Do not find that there is the patent literature constructed with the utility model by patent retrieval, to have the patent of certain relation to mainly contain following with the utility model:
1, the patent No. is CN01266138.4, name is called the patent of invention of " Lentoid type compass ", which disclose a kind of Lentoid type compass, it includes base, the north arrow be fixedly arranged on this base, be hubbed on this base one end and the aiming that is hubbed at this base other end is observed, and the lens being provided with and having enlargement ratio are observed in this aiming; Wherein, this aiming is observed and is provided with a luminophor and an electric battery, and the luminous direction of illumination of this luminophor is towards this north arrow assembly, and this electric battery should luminophor power in order to confession.
2, the patent No. is TW100307064, the utility model patent that name is called " measuring instrument ", which discloses a kind of in order to the position angle of measurement target thing and the measuring instrument at pitch angle.Comprise shell, north arrow, inclinator, adjustment knob, left protecting cover, aim at seat, top protecting cover, mirror and thermometer.This shell is rectangular, and before having, viewing hole, Hou are watched hole and protrude towards left side and the left plate of formation perforate.Aim at this front viewing hole in this north arrow position this shell of what, aim at this Hou viewing hole in this inclinator position this shell of what, in this adjustment knob position this perforate of what, this left this shell of protecting cover hub setting what also can cover to be put outside this adjustment knob, this aiming seat to be installed on the right side of what this shell and is had the jacking block of this shell top side of what, this this aiming seat of top protecting cover hub setting what also can cover to be put on this jacking block, and this mirror is arranged on the right side of this shell, and this thermometer is arranged on the bottom side of this shell.The outward appearance of whole measuring instrument can be allowed by this to show and succinctly not lose again unique variability.
3, the patent No. is TW100116184, and the utility model patent that name is called " methods of stadimeter and measurement two object spacing ", which discloses a kind of stadimeter, comprise range cells, positioning unit, north arrow, sight alidade and computing unit.Wherein range cells is in order to measure the air line distance between object.Positioning unit is in order to obtain benchmark coordinate.North arrow is in order to obtain the direction of object.Sight alidade is in order to measure the vertical angle between object.Computing unit is connected with range cells, positioning unit, north arrow and sight alidade respectively, in order to obtain object relative what reference seat target three-dimensional coordinate.
Although so these patents above-mentioned all relate to north arrow, it is also proposed the improvement that some are structural, all do not relate to and revolve the two kinds of different azimuth systems reading formula compass and use problem simultaneously, therefore still need to be improved further.
Utility model content
The purpose of this utility model be for existing revolve read its orientation of formula compass north arrow survey read to only have 0-360 ° of system of units, and there is no the deficiency of 0-6000 mil or 0-6400 mil system of units, the mode that a kind of two kinds of orientation systems are arranged side by side is proposed, when orientation survey is read, directly can survey the orientation numerical value needed for reading as required.
In order to reach this purpose, the utility model provides a kind ofly reads formula north arrow with revolving of two graduation azimuth circle, for folded form north arrow, comprise north arrow housing, north arrow lid and liquid damped compass, liquid damped compass is arranged on north arrow housing, it is characterized in that, liquid damped compass is rotational structure compass, and liquid damped compass can rotate in the compass mounting hole of north arrow housing.
Further, described two graduation azimuth circles are that transparent material makes, and are carved with two graduation azimuth scale value at the back side of panel of two graduation azimuth circle; Wherein, inner ring scale unit is 360 °, and groove is spaced apart 2 °, and outer ring is 60-00 mil scale unit, and groove is spaced apart 20 mils.
Further, described two graduation azimuth circles are that transparent material makes, and are carved with two graduation azimuth scale value at the back side of panel of two graduation azimuth circle; Wherein, inner ring scale unit is 360 °, and groove is spaced apart 2 °, and outer ring is 64-00 mil, and groove is spaced apart 20 mils.
Further, described two graduation azimuth circle outer rings are toothed disc, stir toothed disc by finger, can rotate two graduation azimuth circle, so that orientation is determined in adjustment.
Further, described toothed disc is arc fluted disc, and two graduation azimuth circle outer ring is the arc-shaped gear that a whole circle waits point distribution.
Further, described toothed disc is rectangle fluted disc, and two graduation azimuth circle outer ring is the rectangular teeth that a whole circle waits point distribution.
The utility model has the advantage of:
The utility model takes two graduation azimuth circle, north arrow is utilized to carry out the mensuration of 60-00 mil or 64-00 mil and 360 ° of two kinds of nominal values, directly can be surveyed by north arrow and read different orientation numerical value, the bottom of liquid damped compass and two graduation azimuth circles above can together with rotate, in order to determine position angle, by rotating profile of tooth card, orientation can be determined very easily, there is structure simple, easy to operate feature.
Accompanying drawing explanation
Fig. 1 is a kind of embodiment general structure of the utility model schematic diagram;
Fig. 2 is the two graduation azimuth circle structural representation of the utility model;
Fig. 3 is the another kind of structural representation of the two graduation azimuth circle of the utility model.
Embodiment
The utility model is set forth further below in conjunction with the drawings and specific embodiments.
Embodiment one
Can be found out by accompanying drawing, the utility model relates to a kind ofly reads formula north arrow with revolving of two graduation azimuth circle, for folded form north arrow, comprise north arrow housing 1, north arrow lid 2 and liquid damped compass 3, liquid damped compass 3 is arranged on north arrow housing 1, it is characterized in that, liquid damped compass 3 is rotational structure compass, liquid damped compass 3 can rotate in the compass mounting hole 4 of north arrow housing, and the dial plate 5 of liquid damped compass 3 is two graduation azimuth circles that can rotate.
Further, described two graduation azimuth circles are that transparent material makes, and are carved with two graduation azimuth scale value at the back side of panel of two graduation azimuth circle; Wherein, inner ring 9 scale unit is 360 °, and groove is spaced apart 2 °, and outer ring 10 is 60-00 mil scale unit, and groove is spaced apart 20 mils.
Further, described two graduation azimuth circle outer rings are toothed disc 8, stir toothed disc 8 by finger, can rotate two graduation azimuth circle, so that orientation is determined in adjustment.
Further, described toothed disc 8 is arc fluted disc, and two graduation azimuth circle outer ring is the arc-shaped gear that a whole circle waits point distribution.
Embodiment two
Embodiment two is substantially the same with embodiment one structure, and just the value of statistical indicant of two graduation azimuth circle is different, and described two graduation azimuth circles are that transparent material makes, and are carved with two graduation azimuth scale value at the back side of panel of two graduation azimuth circle; Wherein, inner ring 209 scale unit is 360 °, and groove is spaced apart 2 °, and outer ring 210 is 64-00 mil, and groove is spaced apart 20 mils.
Further, described toothed disc 8 is rectangle fluted disc, and two graduation azimuth circle outer ring is the rectangular teeth that a whole circle waits point distribution.
Above-mentioned listed embodiment, just carries out clear, complete description to the technical solution of the utility model by reference to the accompanying drawings; Obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model has the advantage of:
The utility model takes two graduation azimuth circle, north arrow is utilized to carry out the mensuration of 60-00 mil or 64-00 mil and 360 ° of two kinds of nominal values, directly can be surveyed by north arrow and read different orientation numerical value, the bottom of liquid damped compass and two graduation azimuth circles above can together with rotate, in order to determine position angle, by rotating profile of tooth card, orientation can be determined very easily, there is structure simple, easy to operate feature.
Claims (6)
1. read formula north arrow with revolving of two graduation azimuth circle for one kind, for folded form north arrow, comprise north arrow housing, north arrow lid and liquid damped compass, liquid damped compass is arranged on north arrow housing, it is characterized in that, liquid damped compass is rotational structure compass, and liquid damped compass can rotate in the compass mounting hole of north arrow housing, and the dial plate of liquid damped compass is two graduation azimuth circles that can rotate.
2. read formula north arrow with revolving of two graduation azimuth circle as claimed in claim 1, it is characterized in that, described two graduation azimuth circles are that transparent material makes, and are carved with two graduation azimuth scale value at the back side of panel of two graduation azimuth circle; Wherein, inner ring scale unit is 360 °, and groove is spaced apart 2 °, and outer ring is 60-00 mil scale unit, and groove is spaced apart 20 mils.
3. read formula north arrow with revolving of two graduation azimuth circle as claimed in claim 2, it is characterized in that, described two graduation azimuth circles are that transparent material makes, and are carved with two graduation azimuth scale value at the back side of panel of two graduation azimuth circle; Wherein, inner ring scale unit is 360 °, and groove is spaced apart 2 °, and outer ring is 64-00 mil, and groove is spaced apart 20 mils.
4. read formula north arrow with revolving of two graduation azimuth circle as claimed in claim 3, it is characterized in that, described two graduation azimuth circle outer rings are toothed disc, stir toothed disc by finger, two graduation azimuth circle can be rotated, so that orientation is determined in adjustment.
5. read formula north arrow with revolving of two graduation azimuth circle as claimed in claim 4, it is characterized in that, described toothed disc is arc fluted disc, and two graduation azimuth circle outer ring is the arc-shaped gear that a whole circle waits point distribution.
6. read formula north arrow with revolving of two graduation azimuth circle as claimed in claim 4, it is characterized in that, described toothed disc is rectangle fluted disc, and two graduation azimuth circle outer ring is the rectangular teeth that a whole circle waits point distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520526359.2U CN204988291U (en) | 2015-07-21 | 2015-07-21 | Read formula compass soon with two graduation azimuth scales |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520526359.2U CN204988291U (en) | 2015-07-21 | 2015-07-21 | Read formula compass soon with two graduation azimuth scales |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204988291U true CN204988291U (en) | 2016-01-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520526359.2U Expired - Fee Related CN204988291U (en) | 2015-07-21 | 2015-07-21 | Read formula compass soon with two graduation azimuth scales |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204988291U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123880A (en) * | 2016-08-02 | 2016-11-16 | 中良科技集团有限公司 | A kind of compass adapting to hypobaric |
-
2015
- 2015-07-21 CN CN201520526359.2U patent/CN204988291U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123880A (en) * | 2016-08-02 | 2016-11-16 | 中良科技集团有限公司 | A kind of compass adapting to hypobaric |
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Legal Events
| 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: 20160120 Termination date: 20210721 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |