CN204788402U - Compass with grade rod - Google Patents
Compass with grade rod Download PDFInfo
- Publication number
- CN204788402U CN204788402U CN201520526299.4U CN201520526299U CN204788402U CN 204788402 U CN204788402 U CN 204788402U CN 201520526299 U CN201520526299 U CN 201520526299U CN 204788402 U CN204788402 U CN 204788402U
- Authority
- CN
- China
- Prior art keywords
- compass
- north arrow
- grade rod
- topomap
- plane
- 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
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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model provides a compass with grade rod, for the folded form compass, including the compass casing, compass lid and liquid damping compass, the liquid damping compass is installed on the compass casing, the liquid damping compass is the revolution mechanic compass, the liquid damping compass can be at the compass mounting hole internal rotation of compass casing, it has an inclined plane groove to open in a side of compass casing, form an inclined plane ruler, be carved with on the inclined plane ruler with the topographic map on the slope that slope value proportion is the same of mark indicate, form the grade rod of compass side. The utility model discloses a slope on the grade rod direct readout topographic map on compass value has simple structure, 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, a particularly supplemental measurement tool for north arrow, belongs to technology of instrument and meter field, can be widely used in the fields such as military affairs, navigation, field exploration, the reading of urban road topomap.
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 military affairs, navigation, field exploration, the reading of urban road topomap.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 topomap to seek the position be in itself.
But the instrument of the figure gradient that current north arrow is not generally all surveyed the topography specially, when carrying out topomap slope measuring, by measuring unit distance level line density on topomap, grade rod on recycling topomap is compared and just can be learnt the actual numerical value of the gradient, or measure by special dip stick, and use cumbersome, 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.
So although these patents above-mentioned all relate to north arrow, it is also proposed the improvement that some are structural, but all do not relate to the gradient how utilizing north arrow directly to survey the topography on figure, all still do not propose to arrange grade rod on north arrow, directly utilize north arrow gradient measuring device to survey the topography the figure gradient, therefore still need to be improved further.
Utility model content
The purpose of this utility model is directly not survey the topography for existing north arrow the deficiency of figure gradient aid, and propose a kind of north arrow with grade rod, this north arrow directly can read the value of slope of a certain position on topomap on topomap.
In order to reach this purpose, the utility model provides a kind of north arrow with grade rod, 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, liquid damped compass can rotate in the compass mounting hole of north arrow housing, a bevel groove is had in a side of north arrow housing, form an inclined-plane ruler, inclined-plane ruler is carved with the gradient mark identical with the value of slope ratio that topomap marks, form the grade rod of north arrow side.
Further, described grade rod is engraved on the surface on inclined-plane, side of north arrow housing, the starting point of its grade rod is on the port on inclined-plane, the other end from one end of inclined-plane port toward inclined-plane marks out gradient mark according to the value of slope topomap, directly measures the value of slope on topomap during mapping with the grade rod on north arrow.
Further, under the grade rod of described north arrow and 1:50000 topomap, the target gradient adopts same ratio to mark, and the scope of application is 1 ° ~ 30 °, is mainly applicable to military mapping.
The utility model has the advantage of:
The utility model is provided with grade rod on north arrow, directly can be read the value of slope on topomap by the grade rod on north arrow, has structure simple, easy to operate feature.During use, only need on topomap mobile grade rod, make the value of slope that on topomap, isocontour density and grade rod indicate corresponding, directly can survey the isocontour gradient on reading topomap.
Accompanying drawing explanation
Fig. 1 is a kind of embodiment general structure of the utility model schematic diagram;
Fig. 2 is that the utility model grade rod uses schematic diagram.
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 of north arrow with grade rod, 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 of north arrow housing 1, a bevel groove 4 is had in a side of north arrow housing 1, form an inclined-plane ruler 5, inclined-plane ruler 5 is carved with the gradient mark identical with the value of slope ratio that topomap marks, form the grade rod of north arrow side.
Further, described grade rod 6 is engraved on the surface on inclined-plane, side of north arrow housing, the starting point of its grade rod is on the port on inclined-plane, the other end from one end of inclined-plane port toward inclined-plane marks out gradient mark according to the value of slope topomap, directly measures the value of slope (as shown in Figure 2) on topomap 6 during mapping with the grade rod 5 on north arrow.
Further, under the grade rod of described north arrow and 1:50000 topomap, the target gradient adopts same ratio to mark, and the scope of application is 1 ° ~ 30 °, is mainly applicable to military mapping.
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 is provided with grade rod on north arrow, directly can be read the value of slope on topomap by the grade rod on north arrow, has structure simple, easy to operate feature.During use, only need on topomap mobile grade rod (as shown in Figure 2), make the value of slope that on topomap, isocontour density and grade rod indicate corresponding, directly can survey the isocontour gradient on reading topomap.
Claims (3)
1. the north arrow with grade rod, 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, liquid damped compass can rotate in the compass mounting hole of north arrow housing, a bevel groove is had in a side of north arrow housing, form an inclined-plane ruler, inclined-plane ruler is carved with the gradient mark identical with the value of slope ratio that topomap marks, forms the grade rod of north arrow side.
2. as claimed in claim 1 with the north arrow of grade rod, it is characterized in that, described grade rod is engraved on the surface on inclined-plane, side of north arrow housing, the starting point of its grade rod is on the port on inclined-plane, the other end from one end of inclined-plane port toward inclined-plane marks out gradient mark according to the value of slope topomap, directly measures the value of slope on topomap during mapping with the grade rod on north arrow.
3. as claimed in claim 1 with the north arrow of grade rod, it is characterized in that, under the grade rod of described north arrow and 1:50000 topomap, the target gradient adopts same ratio to mark, and the scope of application is 1 ° ~ 30 °, is mainly applicable to military mapping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520526299.4U CN204788402U (en) | 2015-07-21 | 2015-07-21 | Compass with grade rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520526299.4U CN204788402U (en) | 2015-07-21 | 2015-07-21 | Compass with grade rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204788402U true CN204788402U (en) | 2015-11-18 |
Family
ID=54528426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520526299.4U Expired - Fee Related CN204788402U (en) | 2015-07-21 | 2015-07-21 | Compass with grade rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204788402U (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 CN201520526299.4U patent/CN204788402U/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: 20151118 Termination date: 20210721 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |