CN201322620Y - Automatic compass - Google Patents
Automatic compass Download PDFInfo
- Publication number
- CN201322620Y CN201322620Y CNU200820157817XU CN200820157817U CN201322620Y CN 201322620 Y CN201322620 Y CN 201322620Y CN U200820157817X U CNU200820157817X U CN U200820157817XU CN 200820157817 U CN200820157817 U CN 200820157817U CN 201322620 Y CN201322620 Y CN 201322620Y
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- Prior art keywords
- compass
- housing
- swinging
- loam cake
- scale
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Abstract
The utility model relates to a measuring device, in particular to a multi-purpose compass for measuring azimuth. An automatic compass comprises a housing consisting of an upper housing and a lower housing, a magnetic carrier, a damping device consisting of a damping plate and damping oil, a copper shaft sleeve part for connecting the magnetic carrier and the damping plate, a bearing assembly consisting of a thimble and a bearing, as well as a scale plate, wherein the compass leaves out a scale plate, scales are directly arranged on the damping plate and the damping plate is marked with azimuth; the compass further comprises an outer frame consisting of an upper cover of an outer frame and a base, the upper cover of the outer frame is square, a round hole is formed in the middle of the upper cover of the outer frame, the upper cover of the outer frame is fixedly connected with the base; the housing is arranged in the interior space encircled by the upper cover of the outer frame and the base; and a scale cross curve is marked on the lower surface of a transparent window of the upper housing. The automatic compass of the utility model has not only functions of the memory locking plate and regulating magnetic declination, but also the advantages of high precision, low shaking rate, accurate zeroization, fast orientation and convenient manufacture.
Description
Technical field
The utility model relates to a kind of surveying instrument, a kind of specifically multi-usage compass of measuring the orientation.
Background technology
Chinese patent 200620002358.9 discloses the low rate compass that rocks of a kind of high precision, as Fig. 1, this compass comprises damping unit, the copper bush spare 7 that is connected magnetic carrier 1 and dampened disk 5 that housing, magnetic carrier 1, dampened disk 5 and the damping oil 11 be made up of upper shell 17 and lower house 18 form, forms bearing assembly by thimble 9 and bearing 6, is provided with index dial 10 on the housing base.
This compass can also comprise magnetic inductive bearing tripping device outside the chamber of being made up of loam cake 21 and soft magnetic bodies 22, and needle-like lateral recumbent posture foresight 19.
Though this compass precision is higher, the rate of rocking is low, can not remember lock collar and regulate magnetic declination, the actual use inadequately makes things convenient for.
The utility model content
It is a kind of from swinging compass that the purpose of this utility model is to provide, and this compass not only has lock collar and regulates the effect of magnetic declination, also has the precision height, the rate of rocking is low, make zero accurately, the characteristics of the quick and easy manufacturing in location.
The utility model is achieved in that a kind of from swinging compass, the bearing assembly and the index dial that comprise the damping unit that housing, magnetic carrier, dampened disk and the damping oil be made up of upper shell and lower house form, the copper bush spare that is connected magnetic carrier and dampened disk, form by thimble and bearing
Described compass saves index dial, scale directly is set on dampened disk and indicates the orientation;
Described compass also comprises housing, and housing is made up of housing loam cake and base, and the housing loam cake is square, and the centre has circular hole, and the housing loam cake is fixedlyed connected with base, and housing is placed in the inner space that is coated by housing loam cake and base;
The transparent window lower surface of described upper shell is carved with the scale cross curve.
Described compass also comprises adjustable magnetic drift angle panel, adjustable magnetic drift angle panel is circular tabular, the centre has circular hole, be respectively equipped with the cooperation seam in adjustable magnetic drift angle panel outer rim and inner edge downside, gapped between the cooperation seam on the outer rim and the circular hole edge of housing loam cake, adjustable magnetic declination panel inner edge is fixedlyed connected with the housing outer rim, also indicates scale and orientation on the panel of adjustable magnetic drift angle.
Scale on the described dampened disk is printed by oil resistant pigment and is formed.
The four edges middle part of the housing loam cake of described housing has a band boss through hole, and two lines pass the relative through hole in position respectively and constitute the orientation cross curve.
Described compass lower house top is provided with groove, and the upper shell bottom embeds this groove and goes up lower house and connects by non magnetic screw.
Described compass lower house top is provided with groove, and the upper shell bottom embeds this groove and goes up lower house and connects by ultrasonic soldering or bonding agent.
Described compass also comprises needle-like lateral recumbent posture foresight.
Described bearing is the corundum conical bearing.
The oil hole of described compass is arranged on the position of lower house bottom near thimble.
The utlity model has following beneficial effect: scale cross curve of the present utility model is above dampened disk, and scale directly is marked on and saves original index dial on the dampened disk, has reduced parts.The utility model is located by telluric magnetic force automatically from swinging compass, correctly indicates the meridian orientation, and its card calibration and orientation distribute and geographic orientation fits like a glove, and has avoided Zhou Tiandu reverse, the inverted visual error of thing of " class mirror image " generation of quiet scale.Also indicate scale on the panel of adjustable magnetic drift angle, coincide with geographic orientation, moving with the scale one quiet on the dampened disk, but the manual adjustment magnetic declination and have measurement after " memory " function, can temporarily keep test number to a certain measuring point.The orientation cross curve that the housing top is provided with is a four corners of the world intersection, can be used as and adjusts magnetic declination, reaches " memory " function after measuring.Process modification has been done in connection between upper shell of the present utility model and the lower house, is threaded by existing that fastening to change the even non magnetic screw of circumference into fastening, greatly reduces die sinking cost and Shooting Technique requirement; The compass upper shell that diameter is less relatively and lower house connect can be with ultrasonic soldering or gluing joint.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is existing compass synoptic diagram;
Fig. 2 is that the utility model is from the swinging compass first embodiment front schematic view;
Fig. 3 is that the utility model is from the swinging compass first embodiment side schematic view;
Fig. 4 is that the utility model is from the swinging compass second embodiment front schematic view;
Fig. 5 is that the utility model is from the swinging compass second embodiment side schematic view;
Among the figure: 1 magnetic carrier, 2 oil holes, 201 housing loam cakes, 202 bases, 5 dampened disks, 6 bearings, 7 copper bush spares, 9 thimbles, 10 index dials, 11 damping oils, 13 band boss through holes, 14 orientation cross curve, 15 transparent windows, 17 upper shells, 18 lower houses, 19 needle-like lateral recumbent posture foresights, 21 loam cakes, 22 soft magnetic bodies, 23 adjustable magnetic drift angle panels, 24 cooperate seam, 25 scale cross curve, 26 non magnetic screws, 27 grooves.
Embodiment
First embodiment
Referring to Fig. 2, Fig. 3.A kind of from swinging compass, comprise the damping unit that housing, magnetic carrier 1, dampened disk 5 and the damping oil 11 be made up of upper shell 17 and lower house 18 form, the copper bush spare 7 that is connected magnetic carrier 1 and dampened disk 5, by the bearing assembly that thimble 9 and bearing 6 are formed, bearing 6 is the corundum conical bearing.Also comprise housing from swinging compass, housing is made up of housing loam cake 201 and base 202, and housing loam cake 201 is square, and the centre has circular hole, housing loam cake 201 is fixedlyed connected with base 202, and this fixedly connected mode can be bonding, ultrasonic soldering and similar approach.Housing is placed in the inner space that is coated by housing loam cake 201 and base 202, and transparent window 15 lower surfaces of upper shell 17 are carved with scale cross curve 25.
Province directly is provided with scale and indicates the orientation on dampened disk 5 from swinging compass.Scale on the dampened disk 5 is printed by oil resistant pigment and is formed.Described compass lower house 18 tops are provided with groove 27, upper shell 17 bottoms embed this groove 27 and go up lower house and connect by non magnetic screw 26, compass also comprises needle-like lateral recumbent posture foresight 19, and needle-like lateral recumbent posture foresight 19 lies on the compass when flat, holds up during use.
Second embodiment
Referring to Fig. 4, Fig. 5.A kind of from swinging compass, comprise the damping unit that housing, magnetic carrier 1, dampened disk 5 and the damping oil 11 be made up of upper shell 17 and lower house 18 form, the copper bush spare 7 that is connected magnetic carrier 1 and dampened disk 5, by the bearing assembly that thimble 9 and bearing 6 are formed, bearing 6 is the corundum conical bearing.Also comprise housing from swinging compass, housing is made up of housing loam cake 201 and base 202, and housing loam cake 201 is fixedlyed connected with base 202, and this fixedly connected mode can be bonding, ultrasonic soldering and similar approach.Housing is placed in the inner space that is coated by housing loam cake 201 and base 202, and transparent window 15 lower surfaces of upper shell 17 are carved with scale cross curve 25.Swinging compass is economized and scale directly is set on dampened disk 5 and indicates the orientation.Scale on the dampened disk 5 is printed by oil resistant pigment and is formed.
Increased adjustable magnetic drift angle panel 23 from swinging compass, adjustable magnetic drift angle panel 23 is square tabular, and the centre has circular hole.Be respectively equipped with cooperation seam 24 in adjustable magnetic drift angle panel 23 outer rims and inner edge downside, cooperation seam 24 on the outer rim is gapped with the circular hole edge of housing loam cake 201, so just can adjust magnetic declination or " memory " numerical value of surveying by cooperating the free left rotation and right rotation of seam 24 usefulness finger, in the adjustable magnetic drift angle panel 23 fixedly connected with the housing outer in the edge, along clearance fit, also indicate scale and orientation on the adjustable magnetic drift angle panel 23 in adjustable magnetic drift angle panel 23 outer rims and the housing.The four edges middle part of the housing loam cake 201 of housing has 13, two lines of a band boss through hole and passes the relative through hole formation orientation cross curve 14 in position respectively.Be provided with groove 27 from swinging compass lower house 18 tops, upper shell 17 bottoms embed this groove 27 and go up lower house and connect by ultrasonic soldering or bonding agent, and oil hole 2 is arranged on the position of lower house bottom near thimble.
Claims (9)
1, a kind of from swinging compass, the bearing assembly and the index dial that comprise the damping unit that housing, magnetic carrier, dampened disk and the damping oil be made up of upper shell and lower house form, the copper bush spare that is connected magnetic carrier and dampened disk, form by thimble and bearing, it is characterized in that
Described compass saves index dial, scale directly is set on dampened disk and indicates the orientation;
Described compass also comprises housing, and housing is made up of housing loam cake and base, and the housing loam cake is square, and the centre has circular hole, and the housing loam cake is fixedlyed connected with base, and housing is placed in the inner space that is coated by housing loam cake and base;
The transparent window lower surface of described upper shell is carved with the scale cross curve.
2, as claimed in claim 1 from swinging compass, it is characterized in that, described compass also comprises adjustable magnetic drift angle panel, adjustable magnetic drift angle panel is circular tabular, the centre has circular hole, is respectively equipped with the cooperation seam in adjustable magnetic drift angle panel outer rim and inner edge downside, and is gapped between the cooperation seam on the outer rim and the circular hole edge of housing loam cake, adjustable magnetic declination panel inner edge is fixedlyed connected with the housing outer rim, also indicates scale and orientation on the panel of adjustable magnetic drift angle.
3, as claimed in claim 1 or 2 from swinging compass, it is characterized in that the scale on the described dampened disk is printed by oil resistant pigment and formed.
4, as claimed in claim 3 from swinging compass, it is characterized in that the four edges middle part of the housing loam cake of described housing has a band boss through hole, two lines pass the relative through hole in position respectively and constitute the orientation cross curve.
5, as claim 1,2 or 4 described from swinging compass, it is characterized in that described compass lower house top is provided with groove, the upper shell bottom embeds this groove and goes up lower house and connects by non magnetic screw.
6, as claim 1,2 or 4 described from swinging compass, it is characterized in that described compass lower house top is provided with groove, the upper shell bottom embeds this groove and goes up lower house by ultrasonic soldering or bonding agent connection.
7, want 1,2 or 4 described as right, it is characterized in that described compass also comprises needle-like lateral recumbent posture foresight from swinging compass.
8, as claim 1,2 or 4 described, it is characterized in that described bearing is the corundum conical bearing from swinging compass.
As claim 1,2 or 4 described, it is characterized in that 9, the oil hole of described compass is arranged on the position of lower house bottom near thimble from swinging compass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820157817XU CN201322620Y (en) | 2008-12-25 | 2008-12-25 | Automatic compass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820157817XU CN201322620Y (en) | 2008-12-25 | 2008-12-25 | Automatic compass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201322620Y true CN201322620Y (en) | 2009-10-07 |
Family
ID=41160000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820157817XU Expired - Lifetime CN201322620Y (en) | 2008-12-25 | 2008-12-25 | Automatic compass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201322620Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236532A (en) * | 2013-06-19 | 2014-12-24 | 肖之建 | Rapid balance oil charging compass |
| CN104359470A (en) * | 2014-11-04 | 2015-02-18 | 同济大学 | Dual-gravity geological compass |
| CN110440775A (en) * | 2019-07-08 | 2019-11-12 | 中良科技集团有限公司 | Compass that is a kind of durable and accurately measuring orientation |
-
2008
- 2008-12-25 CN CNU200820157817XU patent/CN201322620Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236532A (en) * | 2013-06-19 | 2014-12-24 | 肖之建 | Rapid balance oil charging compass |
| CN104236532B (en) * | 2013-06-19 | 2018-09-14 | 肖之建 | The oil-filled compass of Fast-Balance |
| CN104359470A (en) * | 2014-11-04 | 2015-02-18 | 同济大学 | Dual-gravity geological compass |
| CN104359470B (en) * | 2014-11-04 | 2016-08-24 | 同济大学 | A kind of dual power circumferentor |
| CN110440775A (en) * | 2019-07-08 | 2019-11-12 | 中良科技集团有限公司 | Compass that is a kind of durable and accurately measuring orientation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091007 |