CN202319559U - Equal ratio involute device - Google Patents
Equal ratio involute device Download PDFInfo
- Publication number
- CN202319559U CN202319559U CN2011204219734U CN201120421973U CN202319559U CN 202319559 U CN202319559 U CN 202319559U CN 2011204219734 U CN2011204219734 U CN 2011204219734U CN 201120421973 U CN201120421973 U CN 201120421973U CN 202319559 U CN202319559 U CN 202319559U
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- connecting plate
- plate
- connecting axle
- involute
- axle
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Abstract
The utility model discloses an equal ratio involute device, which is characterized by comprising a first connection plate 1, a second connection plate 8 and a third connection plate 10, wherein plate faces of the first connection plate 1, the second connection plate 8 and the third connection plate 10 are parallel to each other, and a first connection shaft 3, a second connection shaft 9 and a third connection shaft 4 are perpendicular to the plate faces of the first connection plate 1, the second connection plate 8 and the third connection plate 10. The equal ratio involute device is simple in structure, low in cost, high in drawing precision and capable of measuring angles. The equal ratio involute device is a drawing measurement tool which is matched with tools including compasses, straight rulers and the like to be capable of drawing sub-multiple angles or arcs and measuring segments with the same length with the arcs. By means of the equal ratio involute device, a flat plate measurement device can be manufactured, and use is convenient and fast.
Description
Technical field
The utility model relates to be measured or the drawing instrument field, is specially a kind of drafting equal proportion involute, realizes that through the equal proportion involute geometric ratio of angulation size, sub-multiple angle or arc length is gradually driven device.
Background technology
In existing measuring instrument and the stationery; The measurement apparatus of size and the slotted line segment length of only taking measurement of an angle; Do not get sub-multiple angle and have to draw arbitrarily; Simultaneously again the energy measurement angular dimension, measure the instrument of surveying and mapping of the isometric or proportional line segment of circular arc, measure and calculate through methods such as pi calculating, be approximation in theory.
Therefore; A kind of simple in structure, with low cost, drafting precision height is provided; And can measure angular dimension, through with the cooperation of instruments such as compasses, ruler, can arbitrarily draw and get sub-multiple angle or circular arc; And can measure the drafting survey tool with the mutually isometric line segment of circular arc, be a problem of needing solution badly.
Summary of the invention
In order to overcome above-mentioned deficiency of the prior art, the utility model provides a kind of simple in structure, with low cost, drafting precision height, and can measure angular dimension; Through with the cooperation of instruments such as compasses, ruler; Can arbitrarily draw and get sub-multiple angle or circular arc, and can measure the drafting survey tool with the mutually isometric line segment of circular arc, be specially a kind of geometric ratio involute device; Can produce a kind of plane-table operation device through this geometric ratio involute device, use more convenient quick.
The purpose of the utility model is achieved in that
A kind of geometric ratio involute device; It is characterized in that: first connecting plate 1, second connecting plate 8 and the 3rd connecting plate 10 that the plate face is parallel to each other, and first connecting axle 3, second connecting axle 9, the 3rd connecting axle 4 are perpendicular to the plate face of first connecting plate 1, second connecting plate 8 and the 3rd connecting plate 10.
The plate face of first connecting plate 1 and second connecting plate 8 is always vertical configuration; And first connecting plate 1 passes in a header body of second connecting plate 8; Can in second connecting plate 8, slide; Second connecting plate 8 is through first connecting axle, 3 connection fixed positions, and is the center with first connecting axle 3, can rotate.
First connecting plate 1 is through an end of the 3rd connecting axle 4 connections the 3rd connecting plate 10, and the other end of the 3rd connecting plate 10 is connected with an end of second connecting axle 9 through the link block 11 that is enclosed within on its plate body, and the other end of second connecting axle 9 connects second connecting plate 8.
The end that described first connecting plate 1 connects the 3rd connecting axle 4 is connected with the paintbrush fixed head 5 that extends out, and paintbrush fixed head 5 is provided with the paintbrush fixing hole that is used for fixing paintbrush 6 usefulness.
Plate body interposition first hollow groove 2, the first hollow grooves 2 of described first connecting plate 1 are through in the header body of second connecting plate 8, and first connecting axle 3 passes in first hollow groove 2 of first connecting plate 1; The plate body that second connecting plate 8 connects second connecting axle 9 is second hollow groove 7, and its second connecting axle 9 is connected in second hollow groove interior 7 of second connecting plate, 8 plate bodys.
The end that the 3rd connecting plate 10 connects the 3rd connecting axle 4 is provided with the clockwork spring speed changer 12 perpendicular to the 3rd connecting plate 10; Clockwork spring speed changer 12 is provided with mass 14; Mass 14 belows are provided with the road wheel 13 that is connected with clockwork spring speed changer 12; Road wheel 13 is perpendicular to horizontal plane; Road wheel 13 is on the same line of same horizontal plane with the horizontal plane contact point with the contact point of horizontal plane, the nib and first connecting axle 3 of paintbrush 6, and the contact point of road wheel 13 and horizontal plane and the 3rd connecting axle 4 are on same straight line.The disk of road wheel 13 is always perpendicular to the 3rd connecting plate 10.
Positive beneficial effect: the utility model is simple in structure, with low cost, the drafting precision is high; And can measure angular dimension, through with the cooperation of instruments such as compasses, ruler, can arbitrarily draw and get sub-multiple angle or circular arc; And can measure drafting survey tool with the mutually isometric line segment of circular arc; Be specially a kind of geometric ratio involute device, can produce a kind of plane-table operation device, use more convenient quick through this geometric ratio involute device.
Description of drawings
Fig. 1 is the structural representation of the utility model;
The structural representation of the plane-table operation device that Fig. 2 produces for the utility model;
Among the figure be: first connecting plate 1, first hollow groove 2, first connecting axle 3, the 3rd connecting axle 4, paintbrush fixed head 5, paintbrush 6, second hollow groove 7, second connecting plate 8, second connecting axle 9, the 3rd connecting plate 10, link block 11, clockwork spring speed changer 12, road wheel 13, mass 14.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described:
As shown in Figure 1; A kind of geometric ratio involute device; It is characterized in that: first connecting plate 1, second connecting plate 8 and the 3rd connecting plate 10 that the plate face is parallel to each other, and first connecting axle 3, second connecting axle 9, the 3rd connecting axle 4 are perpendicular to the plate face of first connecting plate 1, second connecting plate 8 and the 3rd connecting plate 10.
The plate face of first connecting plate 1 and second connecting plate 8 is always vertical configuration; And first connecting plate 1 passes in a header body of second connecting plate 8; Can in second connecting plate 8, slide; Second connecting plate 8 is through first connecting axle, 3 connection fixed positions, and is the center with first connecting axle 3, can rotate.
First connecting plate 1 is through an end of the 3rd connecting axle 4 connections the 3rd connecting plate 10, and the other end of the 3rd connecting plate 10 is connected with an end of second connecting axle 9 through the link block 11 that is enclosed within on its plate body, and the other end of second connecting axle 9 connects second connecting plate 8.
The end that described first connecting plate 1 connects the 3rd connecting axle 4 is connected with the paintbrush fixed head 5 that extends out, and paintbrush fixed head 5 is provided with the paintbrush fixing hole that is used for fixing paintbrush 6 usefulness.
Plate body interposition first hollow groove 2, the first hollow grooves 2 of described first connecting plate 1 are through in the header body of second connecting plate 8, and first connecting axle 3 passes in first hollow groove 2 of first connecting plate 1; The plate body that second connecting plate 8 connects second connecting axle 9 is second hollow groove 7, and its second connecting axle 9 is connected in second hollow groove interior 7 of second connecting plate, 8 plate bodys.
The end that the 3rd connecting plate 10 connects the 3rd connecting axle 4 is provided with the clockwork spring speed changer 12 perpendicular to the 3rd connecting plate 10; Clockwork spring speed changer 12 is provided with mass 14; Mass 14 belows are provided with the road wheel 13 that is connected with clockwork spring speed changer 12; Road wheel 13 is perpendicular to horizontal plane; Road wheel 13 is on the same line of same horizontal plane with the horizontal plane contact point with the contact point of horizontal plane, the nib and first connecting axle 3 of paintbrush 6, and the contact point of road wheel 13 and horizontal plane and the 3rd connecting axle 4 are on same straight line.The disk of road wheel 13 is always perpendicular to the 3rd connecting plate 10.
During use, as shown in Figure 1, perpendicular to horizontal plane, its underpart central point is fixed in a little 0, with the fixed distance between first connecting axle 3 and second connecting axle 9 with first connecting axle 3; When clockwork spring speed changer 12 drives road wheels 13 and rotated with center, 0 o'clock position clockwise direction by E o'clock; The E point is the contact point of road wheel 13 and horizontal plane; It is that the center moves in the direction of the clock with first connecting axle 3 all that road wheel 13 drives miscellaneous part; Move along with what E was ordered, the distance between E point and the O point increases, and the distance between first connecting axle 3 and the 3rd connecting axle 4 also increases thereupon; First connecting plate 1 just slides in second connecting plate 8; Distance between second connecting axle 9 and the 3rd connecting axle 4 also increases thereupon, and the 3rd connecting plate 10 just slides in link block 11, the also change thereupon of angle between second connecting plate 8 and the 3rd connecting plate 10, the 3rd connecting plate 10 and first connecting plate 2; When the contact point E of road wheel 13 and horizontal plane is that N ° of angle rotated to E ' time in the center with 0; Point E is a geometric ratio involute to the set of being had a few of some E '; The contact point 0 of the contact point E of the contact point F of the nib of paintbrush 6 and horizontal plane, road wheel 13 and horizontal plane and the axis of first connecting axle 3 and horizontal plane is on the same line of same horizontal plane; And nib and horizontal millet cake contact point F remain unchanged to the distance between the contact point E of road wheel 13 and horizontal plane always, and nib and horizontal plane contact point point F are one section geometric ratio involutes to the set of being had a few of F ' so.
Through regulating the distance between second connecting axle 9 and first connecting axle 3, repeat above operation again, can obtain the geometric ratio involute of different ratios.Draw through above-mentioned adjustment, can obtain one section equal proportion gradually in line, obtain the plane-table operation device that is similar to protractor as shown in Figure 2 utilizing this involute to make.
Positive beneficial effect: the utility model is simple in structure, with low cost, the drafting precision is high; And can measure angular dimension, through with the cooperation of instruments such as compasses, ruler, can arbitrarily draw and get sub-multiple angle or circular arc; And can measure drafting survey tool with the mutually isometric line segment of circular arc; Be specially a kind of geometric ratio involute device, can produce a kind of plane-table operation device, use more convenient quick through this geometric ratio involute device.
Above embodiment only is used to explain the preferred implementation of the utility model; But the utility model is not limited to above-mentioned embodiment; In the ken that said field those of ordinary skill is possessed; Any modification of being done within spirit of the utility model and the principle, be equal to and substitute and improvement etc., it all should be encompassed within the technical scheme scope that the utility model asks for protection.
Claims (6)
1. geometric ratio involute device; It is characterized in that: first connecting plate (1) that the plate face is parallel to each other, second connecting plate (8) and the 3rd connecting plate (10), and first connecting axle (3), second connecting axle (9), the 3rd connecting axle (4) are perpendicular to the plate face of first connecting plate (1), second connecting plate (8) and the 3rd connecting plate (10).
2. a kind of geometric ratio involute device according to claim 1; It is characterized in that: described first connecting plate (1) is always vertical configuration with the plate face of second connecting plate (8); And first connecting plate (1) passes in a header body of second connecting plate (8), can in second connecting plate (8), slide, and second connecting plate connects the fixed position through first connecting axle (3); And be the center with first connecting axle (3), can rotate.
3. a kind of geometric ratio involute device according to claim 1; It is characterized in that: described first connecting plate (1) connects an end of the 3rd connecting plate (10) through the 3rd connecting axle (4); The other end of the 3rd connecting plate (10) is connected with an end of second connecting axle (9) through the link block (11) that is enclosed within on its plate body, and the other end of second connecting axle (9) connects second connecting plate (8).
4. a kind of geometric ratio involute device according to claim 1; It is characterized in that: the end that described first connecting plate (1) connects the 3rd connecting axle (4) is connected with the paintbrush fixed head (5) that extends out, and paintbrush fixed head (5) is provided with the paintbrush fixing hole that is used for fixing paintbrush (6) usefulness.
5. a kind of geometric ratio involute device according to claim 1; It is characterized in that: plate body interposition first hollow groove (2) of described first connecting plate (1); First hollow groove (2) is through in the header body of second connecting plate (8), and first connecting axle (3) passes in first hollow groove (2) of first connecting plate (1); The plate body that second connecting plate (8) connects second connecting axle (9) is second hollow groove (7), and tool second connecting axle (9) is connected in second hollow groove interior (7) of second connecting plate (8) plate body.
6. a kind of geometric ratio involute device according to claim 1; It is characterized in that: the end that described the 3rd connecting plate (10) connects the 3rd connecting axle (4) is provided with the clockwork spring speed changer (12) perpendicular to the 3rd connecting plate (10); Clockwork spring speed changer (12) is provided with mass (14); Mass (14) below is provided with the road wheel (13) that is connected with clockwork spring speed changer (12); Road wheel (13) is perpendicular to horizontal plane; The contact point of road wheel (13) and horizontal plane, the nib of paintbrush (6) and first connecting axle (3) are on the same line of same horizontal plane with the horizontal plane contact point, and the contact point of road wheel (13) and horizontal plane and the 3rd connecting axle (4) are on same straight line.The disk of road wheel 13 is always perpendicular to the 3rd connecting plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204219734U CN202319559U (en) | 2011-10-31 | 2011-10-31 | Equal ratio involute device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204219734U CN202319559U (en) | 2011-10-31 | 2011-10-31 | Equal ratio involute device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202319559U true CN202319559U (en) | 2012-07-11 |
Family
ID=46431551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204219734U Expired - Fee Related CN202319559U (en) | 2011-10-31 | 2011-10-31 | Equal ratio involute device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202319559U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109080338A (en) * | 2018-09-25 | 2018-12-25 | 哈尔滨工业大学 | A kind of variable-ratio machine driving compasses |
-
2011
- 2011-10-31 CN CN2011204219734U patent/CN202319559U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109080338A (en) * | 2018-09-25 | 2018-12-25 | 哈尔滨工业大学 | A kind of variable-ratio machine driving compasses |
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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: 20120711 Termination date: 20141031 |
|
| EXPY | Termination of patent right or utility model |