CN203697789U - Compass, protractor and triangular rulecombined instrument - Google Patents
Compass, protractor and triangular rulecombined instrument Download PDFInfo
- Publication number
- CN203697789U CN203697789U CN201320688740.XU CN201320688740U CN203697789U CN 203697789 U CN203697789 U CN 203697789U CN 201320688740 U CN201320688740 U CN 201320688740U CN 203697789 U CN203697789 U CN 203697789U
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- China
- Prior art keywords
- compass needle
- screw thread
- disk
- disc
- compass
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- Expired - Fee Related
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Abstract
The utility model relates to a compass, protractor and triangular rule combined instrument. The instrument comprises a disc, a compass needle and a sliding block, wherein a clamping sleeve is arranged on the disc and fixed on the disc through three clamping sleeve screws; a bearing is arranged on the clamping sleeve, a press block is arranged on the bearing, and an inner thread is arranged at a center hole of the press block; an outer thread is arranged on the compass needle, the outer thread of the compass needle is matched with the inner thread of the press block, and the compass needle can be rotated in or out through rotation of a compass needle knob. Angle scales are arranged on the peripheral circumference of the disc; and a sliding groove provided with scales is formed in the disc along the radius where a zero-degree scale mark is located; the sliding block is arranged in the sliding groove and can slide in the sliding groove. A lower rotating base is arranged on the sliding block through a screw, and three clamping blocks are arranged on the lower rotating base and can move centripetally or centrifugally whilerotating between the lower rotating base and an upper rotating disc. According to the instrument, the disc is flexible in rotation during circle drawing, drawn graphs are more accurate, and drawing pens with different diameters can be used for drawing graphs.
Description
Technical field
The utility model relates to a kind of teaching aid, is specifically related to a kind of New drawing instrument with the functions of compasses, protractor and set square.
Background technology
At present, wooden set square, protractor, compasses size that large, medium and small teacher uses are larger, carry very inconvenient, although there is a kind of New drawing instrument with the functions of compasses, protractor and set square of the function that integrates compasses, protractor and set square in prior art, but existing New drawing instrument with the functions of compasses, protractor and set square center of circle compass needle can be rotated with disk, the picture or scratch paper can made dirty in use.Paintbrush is fixing in the position of radius simultaneously, can tilt or positioning, so that the precision of impact picture.
Utility model content
For above-mentioned the deficiencies in the prior art, the utility model aims to provide a kind of New drawing instrument with the functions of compasses, protractor and set square that paintbrush can be fixed on to radius, and this New drawing instrument with the functions of compasses, protractor and set square is handled very skillfully, mapped rapid, easy to carry and can make the figure drawing more accurate.
To achieve these goals, the utility model is taked following technical scheme:
A kind of New drawing instrument with the functions of compasses, protractor and set square, comprises disk, compass needle and slide block; On described disk, be provided with cutting ferrule, cutting ferrule is fixed on disk by three cutting ferrule screws; On cutting ferrule, be provided with bearing, be provided with briquetting on bearing, the interstitial hole of briquetting is provided with internal thread; In described compass needle, be provided with external screw thread, the external screw thread of compass needle matches with the internal thread of briquetting, and the top of compass needle is provided with compass needle knob, makes compass needle precession or back-out by rotation compass needle knob; On described briquetting, be provided with handle.
On described disk border circumference, be provided with angle index, its range is 0～360 degree, has solved at present protractor range mostly and has only had 0～180 difficult problem of spending.
Below described disk, be provided with sliding tray along 0 angle index line place radius, the limit of described sliding tray is provided with radius scale; Described slide block is arranged in sliding tray, and slide block can slide in sliding tray.
On described slide block, be provided with lower swivel base by screw, be provided with three fixture blocks on lower swivel base, three fixture block tops are provided with top rotary table; Described lower swivel base above and top rotary table be provided with screw thread below, three fixture blocks above with setting and screw thread below top rotary table and the lower screw thread that above swivel base, screw thread matches below; Three fixture blocks are by its screw thread and the screw thread of lower swivel base and the threaded engagement of top rotary table, in can being rotated between lower swivel base and top rotary table, three fixture blocks make centripetal or centrifugal motion, thereby clamp or unclamp paintbrush, and the paintbrush that can clamp different-diameter is drawn.
Described top rotary table top is provided with pillar, the convenient top rotary table that rotates of described pillar.
On described disk, have rectangular channel, can be used for picture straight line, on the limit of rectangular channel, be provided with length scale.
Using the utility model to draw bowlder, holding by hand handle and disk is placed into need the plane of picture circle, compass needle is being put into home position, compass needle is being screwed out on briquetting with hand twisting compass needle knob, compass needle is being fixed on to home position; Then the paintbrush of needs is put in three fixture blocks, rotates pillar with hand, make top rotary table drive three fixture blocks synchronously on lower swivel base, to do centripetal rotation, thereby clamp paintbrush, prevent paintbrush positioning, and then make the figure drawing more accurate; By can make the paintbrush of its clamping different-diameter carry out picture circle to the rotation of three fixture blocks; Then with swivel base under hand propelled, lower swivel base just slides into the position of correct radial in sliding tray with movable slider, can select suitable picture radius of circle according to radius scale.Rotating lower swivel base with hand more just can make paintbrush carry out picture circle around the rotation of compass needle circumference; Because compass needle is connected with cutting ferrule by bearing, and cutting ferrule is connected with disk by cutting ferrule screw, so can make effect that disk passes through bearing around the smooth circular-rotation of compass needle, make disk lean on compass needle " suspension " on paper, the figure that can not make dirty and finish; When not needing picture bowlder, rotate compass needle knob by hand and make compass needle precession, not only protect compass needle but also prevented that compass needle from scratching its thing.In the time that needs are drawn straight line or rectangle, can draw straight line or rectangle along rectangular channel.
The beneficial effects of the utility model are: by be provided with bearing on cutting ferrule, disk is rotated more flexible; By three fixture blocks are set, paintbrush is fixed, thereby prevented paintbrush positioning, and then make the figure drawing more accurate; Can draw with the paintbrush of different-diameter.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model profile;
Fig. 3 be in Fig. 2 A-A to partial sectional view;
Fig. 4 is B portion enlarged drawing in Fig. 2;
Fig. 5 is C portion enlarged drawing in Fig. 2;
Fig. 6 is the screw thread schematic diagram of top rotary table;
Fig. 7 is the screw thread schematic diagram of lower swivel base;
Fig. 8 is the screw thread schematic diagram of fixture block;
Mark in figure: 1-disk, 2-compass needle, 3-slide block, 4-cutting ferrule, 5-bearing, 6-briquetting, 7-handle, 8-compass needle knob, 9-sliding tray, 10-fixture block, 11-top rotary table, 12-slide block screw, 13-pillar, swivel base under 14-, 15-angle index, 16-radius scale, 17-top rotary table screw thread, 18-fixture block screw thread, swivel base screw thread under 19-, 20-cutting ferrule screw, 21-rectangular channel, 22-length scale.
The specific embodiment
For the ease of understanding, below in conjunction with accompanying drawing, by embodiment, technical solutions of the utility model are further described in detail:
As shown in Fig. 1-8, a kind of New drawing instrument with the functions of compasses, protractor and set square, comprises disk 1, compass needle 2 and slide block 3; On described disk 1, be provided with cutting ferrule 4, cutting ferrule 4 is fixed on disk 1 by three cutting ferrule screws 20; On cutting ferrule 4, be provided with bearing 5, be provided with briquetting 6 on bearing 5, the interstitial hole of described briquetting 6 is provided with internal thread; In described compass needle 2, be provided with external screw thread, the external screw thread of compass needle 2 matches with the internal thread of briquetting 6, and the top of compass needle 2 is provided with compass needle knob 8, makes compass needle 2 precessions or back-out by rotation compass needle knob 8; On described briquetting 6, be provided with handle 7.
On described disk 1 edge circumference, be provided with angle index 15, its range is 0～360 degree, has solved at present protractor range mostly and has only had 0～180 difficult problem of spending.
Described disk 1 and 0 angle index line upper bottom portion is provided with sliding tray 9; The limit of described sliding tray 9 is provided with radius scale 16.
Described slide block 3 is arranged in sliding tray 9, and can, in the interior slip of sliding tray 9, on slide block 3, be provided with lower transposase 11 4 by screw 12, is provided with 10, three fixture block 10 tops of three fixture blocks and is provided with top rotary table 11 on lower transposase 11 4; Described lower transposase 11 4 be provided with above screw thread 19, top rotary table 11 be provided with below 17, three fixture blocks 10 of screw thread above be all provided with the screw thread 18 matching with screw thread 17 and screw thread 19 below; Three fixture blocks 10 coordinate with the screw thread 19 of lower transposase 11 4 and the screw thread 17 of top rotary table 11 by its screw thread 18, while rotating top rotary table 11, three fixture blocks 10 can be made centripetal or centrifugal rotation between lower transposase 11 4 and top rotary table 11, thereby clamp or unclamp paintbrush, and the paintbrush that can clamp different-diameter is drawn.
Described top rotary table 11 tops are provided with pillar 13, the convenient top rotary table that rotates of described pillar 13.
On described disk 1, have rectangular channel 21, can be used for picture straight line, on the limit of rectangular channel 21, be provided with length scale 22.
Use the utility model to draw bowlder, hold by hand handle 7 and disk 1 is placed into need the plane of picture circle, compass needle 2 is put into home position, compass needle 2 is screwed out on briquetting 6 with hand twisting compass needle knob 8, compass needle 2 is fixed on to home position; Then the paintbrush of needs is put in three fixture blocks 10, with hand rotation pillar 13, makes top rotary table 11 drive three fixture blocks on top rotary table 11 and lower transposase 11 4, to rotate precession together by screw thread 17/ screw thread 18/ screw thread 19, clamp paintbrush, prevent paintbrush positioning; By can make the paintbrush of its clamping different-diameter/different size carry out picture circle to the rotation of three fixture blocks; Then with transposase 11 under hand propelled 4, lower transposase 11 4 just slides into the position of suitable diameter in sliding tray 9 with movable slider 3, can select suitable picture radius of circle according to radius scale 16.Under rotating with hand, transposase 11 4 just can make paintbrush carry out picture circle around compass needle 2 circumference rotations; Because compass needle 2 is connected with cutting ferrule 4 by bearing 5, and cutting ferrule 4 is connected with disk by cutting ferrule screw 20, so can make disk 1 effect by bearing around the smooth circular-rotation of compass needle 2, make disk lean on compass needle 2 " suspension " on paper, the figure that can not make dirty and finish; When not needing picture bowlder, rotate compass needle knob 8 by hand and make compass needle 2 precessions, not only protect compass needle 2 but also prevented that compass needle 2 from scratching its thing.In the time that needs are drawn straight line or rectangle, can draw straight line or rectangle along rectangular channel 21.Can take measurement of an angle with the angle index 15 on disk 1, its range is 0～360 degree simultaneously, has solved at present protractor range mostly and has only had 0～180 difficult problem of spending.
Above embodiment is only illustrating the technical solution of the utility model, and can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can make various changes to it in the form and details, should be included in appended claims limited range.For example the groove 21 on disk 1 can be also other shape, thereby can be used for the difform figure of picture.
Claims (2)
1. a New drawing instrument with the functions of compasses, protractor and set square, comprises disk, compass needle and slide block, on described disk, is provided with cutting ferrule, and cutting ferrule is fixed on disk by three cutting ferrule screws; On cutting ferrule, be provided with bearing, be provided with briquetting on bearing, the interstitial hole of briquetting is provided with internal thread; In described compass needle, be provided with external screw thread, the external screw thread of compass needle matches with the internal thread of briquetting, and the top of compass needle is provided with compass needle knob;
On described disk border circumference, be provided with angle index, its range is 0～360 degree;
Below described disk, be provided with sliding tray along 0 angle index line place radius, the limit of described sliding tray is provided with radius scale; Described slide block is arranged in sliding tray;
On described slide block, be provided with lower swivel base by screw, be provided with three fixture blocks on lower swivel base, three fixture block tops are provided with top rotary table; Described lower swivel base above and top rotary table be provided with screw thread below, three fixture blocks above with setting and screw thread below top rotary table and the lower screw thread that above swivel base, screw thread matches respectively below;
Described top rotary table top is provided with pillar;
On described disk, have rectangular channel, on the limit of rectangular channel, be provided with length scale.
2. New drawing instrument with the functions of compasses, protractor and set square according to claim 1, is characterized in that, on described briquetting, is provided with handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320688740.XU CN203697789U (en) | 2013-11-04 | 2013-11-04 | Compass, protractor and triangular rulecombined instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320688740.XU CN203697789U (en) | 2013-11-04 | 2013-11-04 | Compass, protractor and triangular rulecombined instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203697789U true CN203697789U (en) | 2014-07-09 |
Family
ID=51048279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320688740.XU Expired - Fee Related CN203697789U (en) | 2013-11-04 | 2013-11-04 | Compass, protractor and triangular rulecombined instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203697789U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104589867A (en) * | 2014-12-12 | 2015-05-06 | 武汉市农业科学研究所 | Multi-functional ruler for panel antagonistic experiment |
-
2013
- 2013-11-04 CN CN201320688740.XU patent/CN203697789U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104589867A (en) * | 2014-12-12 | 2015-05-06 | 武汉市农业科学研究所 | Multi-functional ruler for panel antagonistic experiment |
| CN104589867B (en) * | 2014-12-12 | 2016-05-04 | 武汉市农业科学研究所 | A kind of Multifunctional ruler for dull and stereotyped antagonistic effect |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20141104 |
|
| EXPY | Termination of patent right or utility model |