CN202896069U - Multifunctional plotting instrument - Google Patents
Multifunctional plotting instrument Download PDFInfo
- Publication number
- CN202896069U CN202896069U CN 201220518723 CN201220518723U CN202896069U CN 202896069 U CN202896069 U CN 202896069U CN 201220518723 CN201220518723 CN 201220518723 CN 201220518723 U CN201220518723 U CN 201220518723U CN 202896069 U CN202896069 U CN 202896069U
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- chi
- warp
- substrate
- string
- base plate
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Abstract
The utility model relates to a multifunctional plotting instrument, and belongs to the field of geometric figure plotting tools. The multifunctional plotting instrument is composed of a base plate, a chord line ruler, a first longitude line ruler and a second longitude line ruler. The multifunctional plotting instrument is characterized in that the base plate is annular, two arc-shaped holes are formed in the upper layer of the base plate, the chord line ruler is installed in the two arc-shaped holes, and a circular area in the base plate is a plotting area; the longitude line rulers are straight plates, wherein sliding grooves are formed in the longitude line rulers, the first longitude line ruler and the second longitude line ruler are connected at the center of a circle of the base plate through a central pin in a chaining mode, and rotation of 0 degree to 360 degrees can be achieved; and the longitude line rulers which are the straight plates provided with the sliding grooves are installed above the base plate, two ends of each longitude line ruler are connected with the arc-shaped holes formed in the upper layer of the base plate through locating pins in the chaining mode, the two locating pins can respectively move in the sliding grooves in the middle of the longitude line rulers and in the first arc-shaped hole and the second arc-shaped hole of the upper layer of the base plate along with the movement of the longitude line rulers, and symmetrical rotation of the two longitude line rulers of 0 degree to 180 degrees can be achieved. The multifunctional plotting instrument has the function of plotting geometric figures in different angles, sizes and directions, and has the advantages of being compact in structure, convenient to carry, good in practicality and the like.
Description
Technical field
The present invention relates to a kind of multi-function drawing instrument, belong to geometric figure drawing tool field, specifically a kind of multifunctional drawing instrument.
Background technology
In the teaching of school mathematics geometric figure, university's mechanical drawing teaching and study and many Practical Project drawing courses, usually use the single drawing instruments such as set square, compasses, T-square and ruler, during a geometric figure of concrete drafting, these several tool combinations are used, have the basic point positional accuracy, the problems such as slippage appear in the drawing process instrument, thereby make the graphical quality of drafting and draftsman's qualification have the very large degree of association, make simple graphing process become repetition, complicated dull process.
Some combination drawing tools occur at present, for example CN202319571U discloses a kind of multi-functional ruler-compasses.This ruler is provided with annular outer ring, fixed cross beam, rotation chi, the inboard center line of annular outer ring arranges fixed cross beam, form two symmetrical semicircle frames between fixed cross beam and the annular outer ring, the fixed cross beam center drilling, the rotation chi is arranged at the annular outer ring inboard, rotation chi centre bore, fixed cross beam centre bore connect by central shaft, have the angle groove at annular outer ring.Can draw straight line, circle, circular arc, annulus and arbitrarily angled etc.The disclosed multi-functional ruler-compasses of CN201566332U comprises the right angled triangle substrate, comprises the right angled triangle substrate, just can draw various figures with a drawing tool.These combination drawing tools, although having improved a plurality of single drawing instruments exists not Portable belt, easily the problem such as loses, but having a problem is exactly to draw basic " single " figure, still there is the problem such as basic point positional accuracy and slippage in the drawing process in drafting for composite figure, does not satisfy the actual drawing needs of engineering.
Summary of the invention
Single in order to overcome existing drawing instrument, there are in the graphic plotting process deficiencies such as the inaccurate and instrument slippage in basic point location, the present invention proposes a kind of multi-function drawing instrument.
The present invention is comprised of substrate, string of a musical instrument chi and the first warp chi and the second warp chi; It is characterized in that described substrate is annular, two-layer about being divided into, lower floor arranges the circular chute of twice, two warp chis are installed respectively, the upper strata arranges two arcuate sockets, and string of a musical instrument chi is installed, and indicates uniform 0-360 ° angle value and groove thereof on the internal diameter circumference of upper strata; Described string of a musical instrument chi is straight plate shape, and the centre is provided with chute, and two straight lines of string of a musical instrument chi and two straight lines of chute are provided with length value and the groove thereof of the direction of going forward one by one on the contrary; Described warp chi is straight plate shape, and the centre is provided with chute, and two straight lines of warp chi and two straight lines of chute are provided with length value and the groove thereof of the direction of going forward one by one on the contrary.
The technical solution adopted for the present invention to solve the technical problems is: with the substrate horizontal positioned, its inner circular shaped region is for the district that draws, with the figure basic point of the center of circle as required drafting.The first warp chi links with centrepin at substrate home position place with the second warp chi, can realize 0-360 ° of direction rotation; Wherein the second warp chi is installed in the below, and supports with locknut, and it is horizontal; The second warp chi other end is installed in the second chute of substrate lower floor by the second slide block.The first warp chi is installed in the second warp chi top, and its other end is installed in the first chute of substrate lower floor by the first slide block.Can be according to the residing position of the lines of figure (or basic point) and direction during drawing, mobile two warp chis, draw the line segment of different angles, if need to draw camber line, then take a certain position of a warp chi as the camber line starting point, in the middle chute of another warp chi, behind the location, rotate this warp chi and just can finish.String of a musical instrument chi is installed in the substrate top, the one end links by first arcuate socket of alignment pin with the substrate top, the other end links by second arcuate socket of alignment pin with the substrate top, two alignment pins can move in the chute and in first, second arcuate socket on substrate upper strata in the middle of string of a musical instrument chi respectively along with the movement of string of a musical instrument chi, can realize the rotation of 0-180 ° of direction of two symmetries.Behind the cardinal point determination of required graphing, draw with basic point straight line at regular intervals, can be in first, second arcuate socket of substrate mobile string of a musical instrument chi, realize that the straight line of any angular orientation is drawn.
The invention has the beneficial effects as follows: can realize required graphing is carried out one-time positioning the inaccurate problem of basic point unit of avoiding single drawing instrument to occur by substrate center's pin; At any angle lines and camber line can be drawn by two the warp chis that slide, the drafting of lines on any direction with the basic point certain distance can be realized by string of a musical instrument chi.Compact conformation of the present invention is easy to carry, and has the drafting that realizes simple graph and complex figure and the characteristics that need not change basic point namely has the functions such as angle, size and direction, and is practical.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is cross section structure schematic diagram of the present invention;
Among the figure: 1-substrate, 2-the first arcuate socket, 3-string of a musical instrument chi, 4-the second arcuate socket, 5-the first warp chi, 6-the second warp chi, 7-the first chute, 8-the second chute, 9-the first slide block, 10-the second slide block, 11-alignment pin, 12-centrepin, 13-locknut.
The specific embodiment
Describe technical scheme of the present invention in detail below in conjunction with accompanying drawing.
As shown in Figure 1, 2, with substrate 1 horizontal positioned of the present invention, its inner circular shaped region to be as the district that draws, with the position at the centrepin 12 places figure basic point as required drafting.The first warp chi 5 and the second warp chi 6 with centrepin 12 links, can be realized 0-360 ° of direction rotation at substrate 1 home position place.The second warp chi 6 is installed in the below, and with locknut 13 supports, it is horizontal; The second warp chi 6 other ends are installed in the second chute 8 of substrate 1 lower floor by the second slide block 10.The first warp chi 5 is installed in the second warp chi 6 tops, and its other end is installed in the first chute 7 of substrate 1 lower floor by the first slide block 9.String of a musical instrument chi 3 is installed in substrate 1 top, the one end links by first arcuate socket 2 of alignment pin 11 with substrate 1 top, the other end links by second arcuate socket 4 of alignment pin 11 with substrate 1 top, two alignment pins can move in the chute and in first, second arcuate socket on substrate 1 upper strata in the middle of string of a musical instrument chi 3 respectively along with the movement of string of a musical instrument chi 3, can realize the rotation of 0-180 ° of direction of two symmetries.
When drawing required figure, determine that according to the characteristics of required figure the position of substrate 1 centrepin 12 is as basic point, at first draw point or the line that links to each other with basic point from basic point, namely pass through take the first warp chi 5 (or second warp chi 6) as benchmark, move the second warp chi 6 (or first warp chi 5), draw out the line segment of different angles and length; Then draw and basic point straight line at regular intervals, can at the first arcuate socket 2 and the second arcuate socket 4 interior mobile string of a musical instrument chis 3 of substrate 1, realize that the straight line on any direction is drawn; If need to draw camber line, then take a certain position of a warp chi (such as the first warp chi 5) as the camber line starting point, in the middle chute of another warp chi (such as the second warp chi 6), behind the location, rotate this warp chi (such as the second warp chi 6) and just can finish.
The present invention is by installing the structure assembly of string of a musical instrument chi and the first warp chi and the second warp chi on the substrate, not only can realize the drafting of common simple graph, and can realize required graphing is carried out one-time positioning by centrepin, the inaccurate problem of basic point unit of avoiding single drawing instrument to occur, can realize the drafting of lines on any direction with the basic point certain distance by string of a musical instrument chi, have the different angles of drafting, size and direction in the function of one, and compact conformation, be easy to carry the advantage such as practical.
Claims (3)
1. a multi-function drawing instrument is comprised of substrate, string of a musical instrument chi and the first warp chi and the second warp chi; It is characterized in that described substrate is annular, be divided into two-layer up and down, lower floor arranges the circular chute of twice, two warp chis are installed respectively, the upper strata arranges two arcuate sockets, string of a musical instrument chi is installed, and is indicated uniform 0-360 ° angle value and groove thereof on the internal diameter circumference of upper strata, its inner circular shaped region is the district that draws.
2. a kind of multi-function drawing instrument according to claim 1, it is characterized in that described warp chi is straight plate shape, the centre is provided with chute, two straight lines of warp chi and two straight lines of chute are provided with length value and the groove thereof of the direction of going forward one by one on the contrary, the first warp chi links with centrepin at substrate home position place with the second warp chi, can realize 0-360 ° of direction rotation.
3. a kind of multi-function drawing instrument according to claim 1, it is characterized in that described string of a musical instrument chi is installed in the substrate top, be straight plate shape, the centre is provided with chute, two straight lines of string of a musical instrument chi and two straight lines of chute are provided with length value and the groove thereof of the direction of going forward one by one on the contrary, the one end links by first arcuate socket of alignment pin with the substrate top, the other end links by second arcuate socket of alignment pin with the substrate top, two alignment pins can along with the movement of string of a musical instrument chi respectively in the middle of string of a musical instrument chi first of in the chute and substrate upper strata, mobile in the second arcuate socket, can realize the rotation of 0-180 ° of direction of two symmetries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220518723 CN202896069U (en) | 2012-10-10 | 2012-10-10 | Multifunctional plotting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220518723 CN202896069U (en) | 2012-10-10 | 2012-10-10 | Multifunctional plotting instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202896069U true CN202896069U (en) | 2013-04-24 |
Family
ID=48116777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220518723 Expired - Fee Related CN202896069U (en) | 2012-10-10 | 2012-10-10 | Multifunctional plotting instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202896069U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102887019A (en) * | 2012-10-10 | 2013-01-23 | 陈盈洁 | Multifunctional plotter |
-
2012
- 2012-10-10 CN CN 201220518723 patent/CN202896069U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102887019A (en) * | 2012-10-10 | 2013-01-23 | 陈盈洁 | Multifunctional plotter |
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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: 20130424 Termination date: 20131010 |