CN202098189U - Anti-slip compass - Google Patents
Anti-slip compass Download PDFInfo
- Publication number
- CN202098189U CN202098189U CN2011201929267U CN201120192926U CN202098189U CN 202098189 U CN202098189 U CN 202098189U CN 2011201929267 U CN2011201929267 U CN 2011201929267U CN 201120192926 U CN201120192926 U CN 201120192926U CN 202098189 U CN202098189 U CN 202098189U
- Authority
- CN
- China
- Prior art keywords
- locating
- sucking disk
- sucker
- slip
- movable joint
- 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
Links
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses an anti-slip compass, which comprises a fixed rod (3) and a movable rod (8) with a drawing pen. The fixed rod (3) is hinged to the movable rod (8) through a hinge shaft (2). A locating movable joint (4) is installed at a locating end of the fixed rod (3). The anti-slip compass further comprises a concave cover (7) which is connected with the locating movable joint (4) through a ball hinge. A sucking disk (6) is connected with the lower end portion of the concave cover (7). A sucking disk handle (5) is installed on the sucking disk (6). The sucking disk serving as a pivot is capable of being fixed on a drawing face stably, and the concave cover and the locating link form a ball hinge structure, thereby being convenient to describe a circle. The sucking disk replaces a locating pin so that the drawing face can not be damaged.
Description
Technical field
The utility model relates to a kind of compasses.
Background technology
The end of deciding bar of existing compasses generally has pilot pin, during use, pilot pin is withstood on the drafting face, and moving bar is that circle is drawn in the center of circle with the summit of pilot pin.The center of circle after drafting the finishes pinprick that is prone to be positioned goes out aperture, influences damage attractive in appearance and easy and draws face.Blackboard is a Glass blackboard mostly at present, because the smooth surface of Glass blackboard, the pilot pin of therefore existing compasses is difficult on the blackboard surface locatees, and draws inconvenient.In addition, pilot pin is more sharp-pointed, also can injure the user.
The utility model content
The utility model technical problem to be solved is, a kind of anti-slip compasses are provided, and during use, the fulcrum of deciding bar can stably be fixed on the drafting face, and it is convenient to draw circle, and cause damage can not for drafting face, to overcome the defective of existing compasses.
It is following that the utility model solves the problems of the technologies described above the technical scheme that is adopted:
A kind of anti-slip compasses comprise that it is characterized in that: the said positioning end of deciding bar is equipped with the location movable joint through hinged the deciding bar and have the moving bar of drawing pen of jointed shaft; Also comprise the spill cover that is connected through spherical hinge with the location movable joint; The bottom of said spill cover is connected with sucker, and the sucker handle is installed on the said sucker.
The good effect of the utility model is: sucker can stably be fixed on the drafting face as the fulcrum of deciding bar, and is provided with the spill cover and location movable joint of spherical hinge structure, makes things convenient for the picture circle.Because of having adopted sucker to replace pilot pin, cause damage therefore can for drafting face, can not injure the user yet.
Description of drawings
Fig. 1 is the structural representation of the utility model.
The specific embodiment
Further specify the utility model below in conjunction with accompanying drawing and embodiment.
Like Fig. 1; Present embodiment comprises through jointed shaft 2 hinged deciding bar 3 and have the moving bar 8 of drawing pen; Decide bar 3 and be provided with Antiskid handle 1 near an end of jointed shaft 2, the other end of deciding bar 3 is equipped with location movable joint 4, also comprises and locatees the spill cover 7 that movable joint 4 is connected through spherical hinge.The bottom of spill cover 7 is connected with sucker 6, and sucker handle 5 is installed on the sucker 6.During use, sucker 6 is fixed on the drafting face as center of circle fulcrum, moving bar 8 got final product through spill cover 7 and cooperating around sucker 6 draftings of location movable joint 4.Treating to spur after drafting finishes sucker handle 5 promptly can make sucker 6 break away from drafting faces easily.
Claims (1)
1. anti-slip compasses comprise that it is characterized in that: the said positioning end of deciding bar (3) is equipped with location movable joint (4) through hinged the deciding bar (3) and have the moving bar (8) of drawing pen of jointed shaft (2); Also comprise the spill cover (7) that is connected through spherical hinge with location movable joint (4); The bottom of said spill cover (7) is connected with sucker (6), and sucker handle (5) is installed on the said sucker (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201929267U CN202098189U (en) | 2011-05-27 | 2011-05-27 | Anti-slip compass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201929267U CN202098189U (en) | 2011-05-27 | 2011-05-27 | Anti-slip compass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202098189U true CN202098189U (en) | 2012-01-04 |
Family
ID=45384219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201929267U Expired - Fee Related CN202098189U (en) | 2011-05-27 | 2011-05-27 | Anti-slip compass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202098189U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111251755A (en) * | 2018-10-26 | 2020-06-09 | 刘小亮 | Teaching compass ruler and use method thereof |
-
2011
- 2011-05-27 CN CN2011201929267U patent/CN202098189U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111251755A (en) * | 2018-10-26 | 2020-06-09 | 刘小亮 | Teaching compass ruler and use method thereof |
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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: 20120104 Termination date: 20120527 |