CN2524952Y - Concentric compasses - Google Patents
Concentric compasses Download PDFInfo
- Publication number
- CN2524952Y CN2524952Y CN 01279367 CN01279367U CN2524952Y CN 2524952 Y CN2524952 Y CN 2524952Y CN 01279367 CN01279367 CN 01279367 CN 01279367 U CN01279367 U CN 01279367U CN 2524952 Y CN2524952 Y CN 2524952Y
- Authority
- CN
- China
- Prior art keywords
- penholder
- pin
- compasses
- concentric
- drawing leg
- 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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Abstract
The utility model provides concentric compasses which comprise compasses with a mobile drawing leg and a fixed drawing leg, and propelling pencils, and is characterized in that the upside of the outside of the mobile drawing leg is provided with an inserting mouth the inside of which is provided with the closely fit mobile drawing leg which can be taken out; the mobile drawing leg consists of a penholder and two propelling pencils, wherein, the inner side of the upside of the penholder of mobile drawing leg is provided with an insertion head which matches with the insertion mouth on the mobile drawing leg, while the outer side of the upside of the penholder of mobile drawing leg is provided with an insertion mouth which is the same as the insertion mouth on the mobile drawing leg; the middle of the mobile drawing leg is provided with an opening which is vertical to the penholder, and a rotating disc with two pen holes is arranged inside the opening; at the underside of the mobile drawing leg, a pen-point exit deviates from the center of the penholder of mobile drawing leg and is concentric with the inner-arranged propelling pencils. The utility model has the advantages that the concentric compasses can draw two or a plurality of circles simultaneously, and either pencils or ball pens can be used. The utility model has convenient use and installation.
Description
Technical field
The utility model relates to schooling apparatus, particularly a kind of concentrically ringed compasses that draw.
Background technology
In the prior art, compasses have only mobile picture pin and fixing feet, once only with the circle that draws, and have only a kind of pencil effect.Meanwhile, diversified propelling pencil and automatic ball pen are arranged again in the prior art, be not utilized in the compasses.
The utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of concentric compasses.This concentric compasses not only keeps the original function of compasses, two or more circles that can also draw simultaneously, and commutative use pencil and ball pen.
The technical scheme that its technical problem that solves the utility model adopts is: concentric compasses, and include the compasses of mobile picture pin and fixing feet, and start writing certainly, it is characterized in that the outer upper of said mobile picture pin is provided with a socket; The removable friction tight movable pin of drawing is housed in the socket; The movable pin of drawing is made up of from starting writing penholder and interior dress two, draw the top of pin penholder in activity: its inboard is provided with the plug that matches with socket on the mobile picture pin, its outside is provided with and the identical socket of mobile picture pin socket, draw the middle part of pin penholder in activity: an opening perpendicular to penholder is arranged, a rolling disc that two holes are arranged is housed in the opening, draw the bottom of pin penholder in activity: the nib outlet departs from the movable pin penholder center of drawing, and is concentric from starting writing with interior dress.
The beneficial effects of the utility model are: this concentric compasses can be realized goal of the invention, two or more circles that draw simultaneously, and can select to use pencil or ball pen.And use, easy for installation.
Below in conjunction with embodiment of the present utility model and accompanying drawing, concentric compasses is described in detail.
Description of drawings
Fig. 1 concentric compasses schematic diagram;
Fig. 2 concentric compasses A-A cutaway view.
Among the figure: the 1-socket, the 2-penholder, the 3-pencil, the 4-ball pen, 5-turn disc dish, 6-stirs chimb, the 7-plug, the 8-fixing feet, 9-moves the picture pin.
The specific embodiment
Concentric compasses includes: fixing feet 8, mobile picture pin 9 and the activities picture pin of being made up of from starting writing penholder 2 and interior two of adorning.The outer upper of mobile picture pin is provided with a socket, and the movable pin of drawing is by the plug 7 mobile picture pin socket of packing into.The plug of movable picture pin and the socket of mobile picture pin are tight fit.Be equipped with two from starting writing in the penholder of movable picture pin, one is that 3, one of pencils are ball pens 4.On the top that the pin penholder is drawn in activity, except the plug that its inboard is provided with socket on the mobile picture pin matches, its outside also is provided with and the identical socket 1 of mobile picture pin socket, can be used for inserting the movable pin of drawing of another.Draw the opening that pin penholder middle part is provided with in activity, be used for inserting rolling disc 5.Two are passed rolling disc from starting writing, and stir chimb 6 by what rolling disc was provided with, rotate and conversion oneself start writing.From starting writing when alignment activity is drawn the nib outlet of pin penholder bottom, start writing certainly and stretch out the movable pin penholder of drawing, can use.
Claims (3)
1 one kinds of concentric compasses include the compasses of mobile picture pin and fixing feet, and start writing certainly, it is characterized in that the outer upper of said mobile picture pin is provided with a socket; The removable friction tight movable pin of drawing is housed in the socket; The movable pin of drawing is made up of from starting writing penholder and interior dress two, draw the top of pin penholder in activity: its inboard is provided with the plug that matches with socket on the mobile picture pin, its outside is provided with and the identical socket of mobile picture pin socket, draw the middle part of pin penholder in activity: an opening perpendicular to penholder is arranged, a rolling disc that two holes are arranged is housed in the opening, draw the bottom of pin penholder in activity: the nib outlet departs from the movable pin penholder center of drawing, and is concentric from starting writing with interior dress.
2 according to the described concentric compasses of claim 1, it is characterized in that said two from start writing one be pencil, one is ball pen.
3 according to claim 1 or 2 described concentric compasses, it is characterized in that said rolling disc is provided with to stir chimb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01279367 CN2524952Y (en) | 2001-12-29 | 2001-12-29 | Concentric compasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01279367 CN2524952Y (en) | 2001-12-29 | 2001-12-29 | Concentric compasses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2524952Y true CN2524952Y (en) | 2002-12-11 |
Family
ID=33682615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01279367 Expired - Fee Related CN2524952Y (en) | 2001-12-29 | 2001-12-29 | Concentric compasses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2524952Y (en) |
-
2001
- 2001-12-29 CN CN 01279367 patent/CN2524952Y/en not_active Expired - Fee Related
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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 |