CN202847249U - Magnetic compass - Google Patents
Magnetic compass Download PDFInfo
- Publication number
- CN202847249U CN202847249U CN 201220474543 CN201220474543U CN202847249U CN 202847249 U CN202847249 U CN 202847249U CN 201220474543 CN201220474543 CN 201220474543 CN 201220474543 U CN201220474543 U CN 201220474543U CN 202847249 U CN202847249 U CN 202847249U
- Authority
- CN
- China
- Prior art keywords
- compasses
- magnetic
- compass
- magnet
- protective sleeve
- 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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- Pivots And Pivotal Connections (AREA)
Abstract
The utility model discloses a magnetic compass. The magnetic compass comprises a fixed end and a telescopic compass rod, wherein the fixed end comprises a magnet, the upper portion of the magnet is connected with the compass rod through a rotary bearing, a protective sleeve is installed on the fixed end in a sleeved mode, and a clamping device is installed at the other end of the telescopic compass rod. According to the magnetic compass, magnetic design enables using procedures to be safe, the magnetic compass is not prone to falling off, and meanwhile, the protective sleeve improves comfortable sensation during using to a certain degree.
Description
Technical field
The utility model relates to a kind of magnetic compasses.
Background technology
Compasses still owing to the occasion of some features, need the compasses of large-size, the subject matter that the flexibility that large-sized compasses use and security become solution as requisite instrument in teaching, study, the work.
The utility model content
The utility model is not enough for prior art, and magnetic compasses a kind of reasonable in design, safe and practical is provided.
The utility model is achieved through the following technical solutions:
A kind of magnetic compasses comprises stiff end and flexible compasses bar, and stiff end comprises magnet, and magnet top is connected with the compasses bar by swivel bearing, the outer sheathed protective sleeve of while stiff end, and the other end of flexible compasses bar arranges clamping device.
Described clamping device comprises clamp nut.
Described protective sleeve is rubber protecting jacket.
Compared with prior art, the beneficial effects of the utility model are: magnetic design, so that safer in the use procedure, be difficult for dropping, protective sleeve has increased the comfort when using to a certain extent simultaneously.
Description of drawings
Fig. 1 is the topology view of the utility model magnetic compasses.
Among the figure: 1, protective sleeve; 2, magnet; 3, swivel bearing; 4, flexible compasses bar; 5, clamp nut.
The specific embodiment
When the utility model magnetic compasses used, compasses were fixed on the blackboard, and swivel bearing is fixed on the magnet, can be around magnet 360 rotation, flexible compasses bar can own collapsing length, at the expansion link end one hole slot is arranged, hole slot is placed chalk, and the fall clamp nut of flank of sky is fixed chalk.
Claims (3)
1. magnetic compasses, it is characterized in that: comprise stiff end and flexible compasses bar, stiff end comprises magnet, and magnet top is connected with the compasses bar by swivel bearing, the outer sheathed protective sleeve of stiff end simultaneously, the other end of flexible compasses bar arranges clamping device.
2. magnetic compasses as claimed in claim 1, it is characterized in that: described clamping device comprises clamp nut.
3. magnetic compasses as claimed in claim 2, it is characterized in that: described protective sleeve is rubber protecting jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220474543 CN202847249U (en) | 2012-09-18 | 2012-09-18 | Magnetic compass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220474543 CN202847249U (en) | 2012-09-18 | 2012-09-18 | Magnetic compass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202847249U true CN202847249U (en) | 2013-04-03 |
Family
ID=47978483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220474543 Expired - Fee Related CN202847249U (en) | 2012-09-18 | 2012-09-18 | Magnetic compass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202847249U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102825953A (en) * | 2012-09-18 | 2012-12-19 | 吴江市聚力机械有限公司 | Magnetic compasses |
| CN105538966A (en) * | 2016-01-05 | 2016-05-04 | 唐荣玉 | Multipurpose drawing teaching aid |
-
2012
- 2012-09-18 CN CN 201220474543 patent/CN202847249U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102825953A (en) * | 2012-09-18 | 2012-12-19 | 吴江市聚力机械有限公司 | Magnetic compasses |
| CN105538966A (en) * | 2016-01-05 | 2016-05-04 | 唐荣玉 | Multipurpose drawing teaching aid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20130918 |