CN2483200Y - Compass for drawing ellipses - Google Patents
Compass for drawing ellipses Download PDFInfo
- Publication number
- CN2483200Y CN2483200Y CN 01248124 CN01248124U CN2483200Y CN 2483200 Y CN2483200 Y CN 2483200Y CN 01248124 CN01248124 CN 01248124 CN 01248124 U CN01248124 U CN 01248124U CN 2483200 Y CN2483200 Y CN 2483200Y
- Authority
- CN
- China
- Prior art keywords
- central shaft
- sleeved
- shifting axle
- compass
- spring
- 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
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
The utility model provides an elliptic drawing compass which relates to a drawing compass. The device mainly is designed to solve the problem that the current compass can not draw ellipse, mainly comprising an active block, a central shaft, a fixed nut, an elliptic template, a fixed needle, a movable shaft, a spring in the shaft, an expansion shaft, a drawing pen, and a spring pressure plate, etc. The advantage is that according to the requirement the device can draw comparative standard ellipse.
Description
The utility model relates to a kind of planing.
Existing planing all is to draw circle just, when people want to draw then do not have when oval plan available.
To be that design is a kind of can draw oval planing to the purpose of this utility model.
The purpose of this utility model is achieved in that it comprises initiatively piece 1, initiatively piece 1 is sleeved on the central shaft 2, shifting axle 7 is fixed on the active piece, on central shaft, establish screw thread, hold-down nut 3 is sleeved on the central shaft, oval template 4 is sleeved on the hold-down nut, at central shaft lower end dress locking pin 5; In shifting axle hollow spring is housed, the top of telescopic shaft 8 is sleeved in the shifting axle, is positioned at the below of spring, and telescopic shaft lower end dress metal marker 9, shifting axle top shock mount pressing plate 6, the other end of spring bearer plate are fixed on initiatively on the piece.
Operation principle: when shifting axle 7 when central shaft locking pin 5 rotates, shifting axle is subjected to the dual control of template 4 and spring bearer plate 6 to do elliptic motion, because telescopic shaft is subjected to the effect of the spring in the shifting axle that it can be stretched can contract, guarantees to mark ellipse again.The convertible size of drawing ellipse of upper and lower mobile hold-down nut.
In order to make locking pin fixing firm on stroke plate, we can adorn 1 or 2-3 root locking pin 5 in the central shaft lower end.
The utility model has the advantages that the ellipse that can mark standard of comparison as required.
Accompanying drawing 1 is a schematic diagram of the present utility model;
Accompanying drawing 2 is schematic diagrames of the oval template in the utility model.
Embodiment: initiatively piece 1 is sleeved on the central shaft 2, and shifting axle 7 is fixed on the active piece, establishes screw thread on central shaft, and hold-down nut 3 is sleeved on the central shaft, and oval template 4 is sleeved on the hold-down nut, at central shaft lower end dress locking pin 5; In shifting axle hollow spring is housed, the top of telescopic shaft 8 is sleeved in the shifting axle, is positioned at the below of spring, and telescopic shaft lower end dress metal marker 9, shifting axle top shock mount pressing plate 6, the other end of spring bearer plate are fixed on initiatively on the piece.
Here locking pin 5 can be established 1,2,3, with 3 for well; Should make some kinds of templates of different ellipticities and different sizes during production, to adapt to the needs of drawing the different ellipses that require.
Claims (2)
1, Compass for drawing ellipses, comprise initiatively piece [1], it is characterized in that active piece [1] is sleeved on the central shaft [2], shifting axle [7] is fixed on the active piece, on central shaft, establish screw thread, hold-down nut [3] is sleeved on the central shaft, and oval template [4] is sleeved on the hold-down nut, at central shaft lower end dress locking pin [5]; In shifting axle hollow spring is housed, the top of telescopic shaft [8] is sleeved in the shifting axle, is positioned at the below of spring, and telescopic shaft lower end dress metal marker [9], shifting axle top shock mount pressing plate [6], the other end of spring bearer plate are fixed on initiatively on the piece.
2,, it is characterized in that adorning 1 or 2-3 root locking pin [5] in the central shaft lower end according to the described Compass for drawing ellipses of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01248124 CN2483200Y (en) | 2001-06-08 | 2001-06-08 | Compass for drawing ellipses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01248124 CN2483200Y (en) | 2001-06-08 | 2001-06-08 | Compass for drawing ellipses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2483200Y true CN2483200Y (en) | 2002-03-27 |
Family
ID=33658845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01248124 Expired - Fee Related CN2483200Y (en) | 2001-06-08 | 2001-06-08 | Compass for drawing ellipses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2483200Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102390202A (en) * | 2011-08-18 | 2012-03-28 | 河南师范大学 | Multifunctional divider calipers |
-
2001
- 2001-06-08 CN CN 01248124 patent/CN2483200Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102390202A (en) * | 2011-08-18 | 2012-03-28 | 河南师范大学 | Multifunctional divider calipers |
| CN102390202B (en) * | 2011-08-18 | 2013-08-21 | 河南师范大学 | Multifunctional divider calipers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |