CN105034653A - Parabola drawing instrument - Google Patents
Parabola drawing instrument Download PDFInfo
- Publication number
- CN105034653A CN105034653A CN201510351417.7A CN201510351417A CN105034653A CN 105034653 A CN105034653 A CN 105034653A CN 201510351417 A CN201510351417 A CN 201510351417A CN 105034653 A CN105034653 A CN 105034653A
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- Prior art keywords
- connecting rod
- left connecting
- guide post
- right connecting
- chi
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Abstract
The invention relates to a parabola drawing instrument which comprises a strip support, a pushing rod and an equal division mechanism. A sliding groove is formed in the strip support, and a zooming ruler which is horizontally arranged in a vertical spaced manner and is perpendicular to the sliding groove is arranged in the middle of the strip support. One end of the pushing rod is arranged in the sliding groove in a sliding manner and is parallel to the zooming ruler. The equal division mechanism comprises a guide rod, a left connecting rod and a right connecting rod, the left connecting rod and the right connecting rod are arranged on the two sides of the guide rod and rotate at the same time, and the distance between any point on the guide rod and one end of the left connecting rod is equal to that between the corresponding point on the guide rod and one end of the right connecting rod. One end of the left connecting rod is rotatably connected with one end of the zooming ruler. One end of the right connecting rod is rotatably connected with the pushing rod, and the connecting position is arranged over the inner side face of the strip support. The guide rod and the pushing rod are arranged in a crossing manner, and a pen cap is arranged at the crossing position. A parabola is drawn precisely and quickly through the parabola drawing instrument, the parabola drawing instrument is simple in structure and light in mass, and therefore drawing efficiency is improved, and carrying is convenient.
Description
Technical field
The present invention relates to drawing field, refer in particular to a kind of para-curve gauge.
Background technology
Prior art 200710039845.1 discloses a kind of novel para-curve gauge, define according to parabola, be directrix by glidepath 1, butterfly screw O point is focus, because equidistant stretching arm 6 vertically divided all the time equally by hollow slide bar penholder 5, so can ensure that pen stand P point equals the distance of P point to butterfly screw O point all the time to the distance of glidepath 1, parabola can be marked along pen stand P point for this reason; When drawing, parabola can only be drawn in existing para-curve gauge, define parabolical size, and volume being large, be not easy to carry, for this reason, we have developed and a kind of draw parabola not only accurately but also efficiently para-curve gauge, structure is simple, quality is light, thus improves drawing efficiency, and is easy to carry.
Summary of the invention
The present invention seeks to provide a kind of drafting parabola both accurate para-curve gauges efficiently to overcome the deficiencies in the prior art, structure is simple, quality is light, thus improves drawing efficiency, and is easy to carry.
For achieving the above object, the technical solution used in the present invention is: a kind of para-curve gauge, comprises rectangular support, catch bar, divided device; Described rectangular support is provided with chute, and one end is provided with between the upper and lower every the lever placed; The other end of described lever is provided with can the zoom chi of horizontal slip and the bolt of fixing zoom chi, and described zoom chi is vertically set on the middle part of chute; One end of described catch bar is slidably arranged in chute, and placement parallel with zoom chi; Described divided device comprises guide post and is arranged on the left connecting rod and right connecting rod that rotate guide post both sides simultaneously, and on guide post, any point is equal to the distance of left connecting rod one end and right connecting rod one end; One end of described left connecting rod and one end of zoom chi are rotatably connected; One end and the catch bar of described right connecting rod are rotatably connected, and junction is arranged on directly over rectangular support medial surface; Described guide post and catch bar intersect to be placed, and intersection is provided with the pen cap; During work, with the medial surface of rectangular support for directrix, the junction of left connecting rod and zoom chi is focus, and the intersection of guide post and catch bar is the point on parabola.
Preferably, the other end of described left connecting rod and right connecting rod is rotating is respectively arranged on contiguous block; The groove vertically arranged is provided with in the middle of the inherent left connecting rod of described contiguous block and right connecting rod; Described groove is provided with movable block; Described left connecting rod and right connecting rod are respectively arranged with rotating adjusting rod in contiguous block; The other end of two described adjusting rods is separately positioned on movable block, is slided in groove by movable block, and described left connecting rod and right connecting rod are angularly rotated around contiguous block simultaneously.
Preferably, described guide post is arranged with slidably slide bar, and guide post is provided with through head gathering sill, the pen cap can be slided in guide post and slide bar.
Preferably, described rectangular support is provided with back-up block triangular in shape in the one end being provided with lever.
Preferably, described chute is dove-tail or inverted T-shaped.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
Para-curve gauge of the present invention draws parabola not only accurately but also fast, and structure is simple, quality light, thus improves drawing efficiency, is also easy to carry.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Accompanying drawing 1 is the front view of para-curve gauge of the present invention;
Accompanying drawing 2 is the top view of para-curve gauge of the present invention;
Accompanying drawing 3 is divided device structure chart in para-curve gauge of the present invention;
Accompanying drawing 4 is A place partial enlarged drawing in Fig. 3;
Accompanying drawing 5 is the operating diagram of para-curve gauge of the present invention;
Wherein: 1, rectangular support; 101, lever; 102, chute; 103, back-up block; 2, bolt; 3, zoom chi; 4, left connecting rod; 5, slide bar; 6, right connecting rod; 7, contiguous block; 71, guide post; 72, gathering sill; 73, groove; 8, catch bar; 9, the pen cap; 10, adjusting rod; 11, movable block.
Detailed description of the invention
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
Accompanying drawing 1-5 para-curve gauge of the present invention, comprises rectangular support 1, catch bar 8, divided device; Described rectangular support 1 is provided with the chute 102 of dove-tail or inverted T-shaped, and one end is provided with between the upper and lower every placing and L-shaped lever 101; Described rectangular support 1 is provided with back-up block 103 triangular in shape in the one end being provided with lever 101, and when preventing from drawing, support 1 rocks; The other end of described lever 101 is provided with bolt 2 and can the zoom chi 3 of horizontal slip, zoom chi 3 can be fixed on lever 101, and described zoom chi 3 is vertically set on the middle part of chute 102 by bolt 2; One end of described catch bar 8 is slidably arranged in chute 102, and placement parallel with zoom chi 3; Described catch bar 8 is provided with rectangular groove; Described divided device comprises the identical left connecting rod 4 of size and right connecting rod 6; One end of described left connecting rod 4 and right connecting rod 6 is rotating to be respectively arranged on contiguous block 7, the other end of left connecting rod 4 and one end of zoom chi 3 are rotatably connected, the other end and the catch bar 8 of right connecting rod 6 are rotatably connected, and junction is arranged on directly over rectangular support 1 medial surface; The groove 73 vertically arranged is provided with in the middle of the inherent left connecting rod 4 of described contiguous block 7 and right connecting rod 6; Described groove 73 is provided with movable block 11; Described left connecting rod 4 and right connecting rod 6 are respectively arranged with rotating adjusting rod 10 in contiguous block 7; The other end of two described adjusting rods 10 is separately positioned on movable block 11, is slided in groove 73 by movable block 11, and described left connecting rod 4 and right connecting rod 6 are rotated around contiguous block 7 simultaneously; Described contiguous block 7 is provided with guide post 71 in the middle of left connecting rod 4 and right connecting rod 6; Described guide post 71 and catch bar 8 intersect to be placed, and intersection is provided with the pen cap 9, for installing pencil or chalk, because left connecting rod 4 and right connecting rod 6 rotate simultaneously, and guide post 71 is arranged on the centre of left connecting rod 4 and right connecting rod 6, so the pen cap 9 equals the distance of the pen cap 9 to right connecting rod 6 one end to the distance of left connecting rod 4 one end; Described guide post 71 is provided with slidably slide bar 5, and guide post 71 is provided with through head gathering sill 72, the pen cap 5 can be slided in guide post 71 and slide bar 5, add drawing scope.
During use: with the medial surface of rectangular support 1 for directrix, left connecting rod 4 is focal point F with the junction of zoom chi 3, and the intersection of guide post 71 and catch bar 8 is the P point on parabola.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
Para-curve gauge of the present invention draws parabola not only accurately but also fast, and structure is simple, quality light, thus improves drawing efficiency, is also easy to carry.
Below be only embody rule example of the present invention, protection scope of the present invention is not constituted any limitation.The technical scheme that all employing equivalents or equivalence are replaced and formed, all drops within rights protection scope of the present invention.
Claims (5)
1. a para-curve gauge, is characterized in that: comprise rectangular support, catch bar, divided device; Described rectangular support is provided with chute, and one end is provided with between the upper and lower every the lever placed; The other end of described lever is provided with can the zoom chi of horizontal slip and the bolt of fixing zoom chi, and described zoom chi is vertically set on the middle part of chute; One end of described catch bar is slidably arranged in chute, and placement parallel with zoom chi; Described divided device comprises guide post and is arranged on the left connecting rod and right connecting rod that rotate guide post both sides simultaneously, and on guide post, any point is equal to the distance of left connecting rod one end and right connecting rod one end; One end of described left connecting rod and one end of zoom chi are rotatably connected; One end and the catch bar of described right connecting rod are rotatably connected, and junction is arranged on directly over rectangular support medial surface; Described guide post and catch bar intersect to be placed, and intersection is provided with the pen cap; During work, with the medial surface of rectangular support for directrix, the junction of left connecting rod and zoom chi is focus, and the intersection of guide post and catch bar is the point on parabola.
2. para-curve gauge according to claim 1, is characterized in that: the other end of described left connecting rod and right connecting rod is rotating to be respectively arranged on contiguous block; The groove vertically arranged is provided with in the middle of the inherent left connecting rod of described contiguous block and right connecting rod; Described groove is provided with movable block; Described left connecting rod and right connecting rod are respectively arranged with rotating adjusting rod in contiguous block; The other end of two described adjusting rods is separately positioned on movable block, is slided in groove by movable block, and described left connecting rod and right connecting rod are angularly rotated around contiguous block simultaneously.
3. para-curve gauge according to claim 2, is characterized in that: described guide post is arranged with slidably slide bar, and guide post is provided with through head gathering sill, and the pen cap can be slided in guide post and slide bar.
4. the para-curve gauge according to claim 1 or 2 or 3, is characterized in that: described rectangular support is provided with back-up block triangular in shape in the one end being provided with lever.
5. para-curve gauge according to claim 4, is characterized in that: described chute is dove-tail or inverted T-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510351417.7A CN105034653B (en) | 2015-06-24 | 2015-06-24 | A kind of para-curve gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510351417.7A CN105034653B (en) | 2015-06-24 | 2015-06-24 | A kind of para-curve gauge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105034653A true CN105034653A (en) | 2015-11-11 |
| CN105034653B CN105034653B (en) | 2016-09-28 |
Family
ID=54441863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510351417.7A Active CN105034653B (en) | 2015-06-24 | 2015-06-24 | A kind of para-curve gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105034653B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1362668A1 (en) * | 1986-07-14 | 1987-12-30 | Омский политехнический институт | Device for plotting mathematical curves |
| CN2055777U (en) * | 1988-08-23 | 1990-04-11 | 陈建烈 | Drawing instrument for drawing conic section |
| CN2269318Y (en) * | 1995-07-13 | 1997-12-03 | 上官鹏飞 | Four-purpose campasses for drawing |
| CN2310682Y (en) * | 1997-11-06 | 1999-03-17 | 杨振起 | Parabola gauge |
| CN2500494Y (en) * | 2001-08-21 | 2002-07-17 | 沈祖翼 | Parabolic diagraph |
| CN204870228U (en) * | 2015-06-24 | 2015-12-16 | 苏州市职业大学 | Parabola rule |
-
2015
- 2015-06-24 CN CN201510351417.7A patent/CN105034653B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1362668A1 (en) * | 1986-07-14 | 1987-12-30 | Омский политехнический институт | Device for plotting mathematical curves |
| CN2055777U (en) * | 1988-08-23 | 1990-04-11 | 陈建烈 | Drawing instrument for drawing conic section |
| CN2269318Y (en) * | 1995-07-13 | 1997-12-03 | 上官鹏飞 | Four-purpose campasses for drawing |
| CN2310682Y (en) * | 1997-11-06 | 1999-03-17 | 杨振起 | Parabola gauge |
| CN2500494Y (en) * | 2001-08-21 | 2002-07-17 | 沈祖翼 | Parabolic diagraph |
| CN204870228U (en) * | 2015-06-24 | 2015-12-16 | 苏州市职业大学 | Parabola rule |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105034653B (en) | 2016-09-28 |
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