CN204506253U - Portable adjustable ellipsograph - Google Patents
Portable adjustable ellipsograph Download PDFInfo
- Publication number
- CN204506253U CN204506253U CN201520086899.3U CN201520086899U CN204506253U CN 204506253 U CN204506253 U CN 204506253U CN 201520086899 U CN201520086899 U CN 201520086899U CN 204506253 U CN204506253 U CN 204506253U
- Authority
- CN
- China
- Prior art keywords
- pattern
- mobile jib
- pattern frame
- brace
- frame
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- 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 is a kind of portable adjustable ellipsograph, comprise mobile jib, annular pattern is had at the middle part kink of this mobile jib, this pattern is rotatably connected on mobile jib by bearing pin, pattern frame and lower pattern frame on being respectively equipped with above and below pattern, brace sleeve is provided with in upper pattern frame, this brace sleeve is slidably connected in upper pattern frame by rotational pin, to be dynamically connected backstay at lower pattern middle slide of frame, this backstay is connected by profiling bar with rotational pin, extension spring and tension spring is also respectively equipped with in upper pattern frame and lower pattern frame, under the effect of upper extension spring and tension spring, profiling bar is made to be close on the outside of pattern, be hinged with brace on the top of mobile jib, the free end of this brace, through brace sleeve, the free end of this brace is hinged with penholder, be connected with cross bar at the lower rotational of mobile jib, the bottom of penholder is passed in one end activity of this cross bar.The utility model is simple and reasonable, and drawing accurately.
Description
Technical field
The utility model relates to drafting instrument field, is specifically related to a kind of portable adjustable ellipsograph.
Background technology
In existing drawing performance, many employings have the elliptical aperture of different size at one piece, need to select corresponding elliptical aperture to use according to drawing for user, so not only select difficulty large, there is larger limitation simultaneously, well can not adapt to the drawing requirements of different situation, especially to larger-size drawing situation, more cannot satisfy the demands; In prior art, also talented special device carries out drafting ellipse, but complex structure, use and carry equal inconvenience.
Utility model content
The utility model, for the deficiencies in the prior art, proposes a kind of structure simple, easy to operate, the portable adjustable ellipsograph of applied range.Concrete technical scheme is as follows:
A kind of portable adjustable ellipsograph, comprise mobile jib (1), annular pattern (2) is had at the middle part kink of this mobile jib (1), this pattern (2) is rotatably connected on described mobile jib (1) by bearing pin (3), upper pattern frame (4) and lower pattern frame (5) is respectively equipped with above and below described pattern (2), the inner of described upper pattern frame (4) and lower pattern frame (5) is rotatably connected on described mobile jib (1) respectively, brace sleeve (6) is provided with on described in pattern frame (4), this brace sleeve (6) is slidably connected in described upper pattern frame (4) by rotational pin, backstay (7) is slidably connected in described lower pattern frame (5), this backstay (7) is connected by profiling bar (8) with described rotational pin, and this profiling bar (8) is positioned at the outside of described pattern (2), upper extension spring (9) and tension spring (10) is also respectively equipped with on described in pattern frame (4) and lower pattern frame (5), extension spring on this (9) one end is connected to the inner of described upper pattern frame (4), the other end is connected on described rotational pin, described tension spring (10) one end is connected to the inner of described lower pattern frame (5), the other end is connected on described backstay (7),
Brace (11) is hinged with on the top of described mobile jib (1), the free end of this brace (11), through described brace sleeve (6), the free end of this brace (11) is hinged with penholder (12);
Be connected with cross bar (13) at the lower rotational of described mobile jib (1), the bottom of described penholder (12) is passed in one end activity of this cross bar (13).
The utility model realizes like this, in using, regulate the angle of inclination of pattern (2) and the height and position on mobile jib, to determine the ellipse of different size, under the effect of extension spring in upper pattern frame (4) and lower pattern frame (5), profiling bar (8) is made to be close on the lateral wall of pattern (2), along with the change of profiling bar (8) movement locus, profiling bar (8) drives brace (11) motion, angle between continuous change brace (11) and mobile jib (1), penholder (12) will be driven in the process that brace (11) moves in the upper horizontal slip of cross bar (13), realize oval drafting.
For better realizing the utility model, may further be:
The angle square (14) of arc is provided with at the upper surface of described pattern (2), the lower end of this angle square (14) is fixedly connected on the upper surface of described pattern (2), and upper end is slidably connected on described mobile jib (1).The setting of angle square (14) can grasp oval size and amplitude more accurately, also can fix further pattern (2) simultaneously, to make between itself and mobile jib (1) firm stable more.
Described angle square (14) has arc-shaped slot, and relatively described angle square (14) longitudinally has bar shaped groove on described mobile jib (1), the upper end of described angle square (14) is through described bar shaped groove, in this bar shaped groove, be provided with alignment pin (15), this alignment pin (15) is each passed through described bar shaped groove and arc-shaped slot.The setting of alignment pin (15), make to slide between angle square (14) and mobile jib (1) more steady, locate mode is more simple, improves accuracy and the stability of whole device.
Idler wheel mechanism (16) is connected with at the other end of described cross bar (13), its brace (11) is rotated more steady, also enhance the balance that cross bar (13) is in operation, make its whole equipment operating convenient, chart more accurate.
The beneficial effects of the utility model are: overall structure advantages of simple, and range of application is wide in range, easy to operate, and the angle of adjustment pattern, just easily can realize the adjustment to drawn oval length-width ratio; The height and position of adjustment pattern on mobile jib, just can realize the adjustment of oval size, and the angle that pattern tilts intuitively and accurately shows by angle square, uses more convenient, accurate.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is side view of the present utility model.
Detailed description of the invention
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
As depicted in figs. 1 and 2: a kind of portable adjustable ellipsograph, comprise mobile jib 1, longitudinally two bar shaped grooves are had at the middle part of this mobile jib 1, and two bar shaped grooves are mutually vertical, annular pattern 2 is had at the middle part kink of mobile jib 1, the inner ring of this pattern 2 is laterally provided with bearing pin 3, and this bearing pin 3 passes mobile jib 1 by bar shaped groove, by clamp, bearing pin 3 and mobile jib 1 are fixed near the both sides of mobile jib 1 at bearing pin 3, clamp is unclamped in using, just rotatable and move up and down bearing pin 3, reach and change drawn oval size and length-width ratio adjustment, the angle square 14 of arc is also provided with at the upper surface of described pattern 2, this angle square 14 has arc-shaped slot, the lower end of this angle square 14 is fixedly connected on the upper surface of described pattern 2, upper end is through the bar shaped groove on mobile jib 1, alignment pin 15 is provided with in this bar shaped groove, this alignment pin 15 is each passed through described bar shaped groove and arc-shaped slot,
The upper pattern frame 4 of rectangle and lower pattern frame 5 is respectively equipped with above and below described pattern 2, the inner of described upper pattern frame 4 and lower pattern frame 5 is rotatably connected on described mobile jib 1 respectively, the outside of upper pattern frame 4 and lower pattern frame 5 the inner is provided with dog screw, rotate dog screw, can upper pattern frame 4 and lower pattern frame 5 be carried out spacing, brace sleeve 6 is provided with on described in pattern frame 4, this brace sleeve 6 is slidably connected in described upper pattern frame 4 by rotational pin, backstay 7 is slidably connected in described lower pattern frame 5, this backstay 7 is connected by profiling bar 8 with described rotational pin, and this profiling bar 8 is positioned at the outside of described pattern 2, extension spring 9 and tension spring 10 is also respectively equipped with on described in pattern frame 4 and lower pattern frame 5, on this, extension spring 9 one end is connected to the inner of described upper pattern frame 4, the other end is connected to described rotational pin and connects, described tension spring 10 one end is connected to the inner of described lower pattern frame 5, the other end is connected on described backstay 7, under the effect of upper extension spring 9 and tension spring 10, profiling bar 8 is made to be close to the sidewall of the outer shroud of pattern 2,
Be hinged with brace 11 on the top of described mobile jib 1, the free end of this brace 11, through described brace sleeve 6, the free end of this brace 11 is hinged with penholder 12;
Be connected with cross bar 13 at the lower rotational of described mobile jib 1, one end activity of this cross bar 13, through the bottom of described penholder 12, is connected with idler wheel mechanism 16 at the other end of described cross bar 13.
Claims (4)
1. a portable adjustable ellipsograph, it is characterized in that: comprise mobile jib (1), annular pattern (2) is had at the middle part kink of this mobile jib (1), this pattern (2) is rotatably connected on described mobile jib (1) by bearing pin (3), upper pattern frame (4) and lower pattern frame (5) is respectively equipped with above and below described pattern (2), the inner of described upper pattern frame (4) and lower pattern frame (5) is rotatably connected on described mobile jib (1) respectively, brace sleeve (6) is provided with on described in pattern frame (4), this brace sleeve (6) is slidably connected in described upper pattern frame (4) by rotational pin, backstay (7) is slidably connected in described lower pattern frame (5), this backstay (7) is connected by profiling bar (8) with described rotational pin, and this profiling bar (8) is positioned at the outside of described pattern (2), upper extension spring (9) and tension spring (10) is also respectively equipped with on described in pattern frame (4) and lower pattern frame (5), extension spring on this (9) one end is connected to the inner of described upper pattern frame (4), the other end is connected on described rotational pin, described tension spring (10) one end is connected to the inner of described lower pattern frame (5), the other end is connected on described backstay (7),
Brace (11) is hinged with on the top of described mobile jib (1), the free end of this brace (11), through described brace sleeve (6), the free end of this brace (11) is hinged with penholder (12);
Be connected with cross bar (13) at the lower rotational of described mobile jib (1), the bottom of described penholder (12) is passed in one end activity of this cross bar (13).
2. portable adjustable ellipsograph according to claim 1, it is characterized in that: the angle square (14) being provided with arc at the upper surface of described pattern (2), the lower end of this angle square (14) is fixedly connected on the upper surface of described pattern (2), and upper end is slidably connected on described mobile jib (1).
3. portable adjustable ellipsograph according to claim 2, it is characterized in that: on described angle square (14), have arc-shaped slot, and relatively described angle square (14) longitudinally has bar shaped groove on described mobile jib (1), the upper end of described angle square (14) is through described bar shaped groove, in this bar shaped groove, be provided with alignment pin (15), this alignment pin (15) is each passed through described bar shaped groove and arc-shaped slot.
4. portable adjustable ellipsograph according to claim 1, is characterized in that: be connected with idler wheel mechanism (16) at the other end of described cross bar (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520086899.3U CN204506253U (en) | 2015-02-06 | 2015-02-06 | Portable adjustable ellipsograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520086899.3U CN204506253U (en) | 2015-02-06 | 2015-02-06 | Portable adjustable ellipsograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204506253U true CN204506253U (en) | 2015-07-29 |
Family
ID=53704254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520086899.3U Expired - Fee Related CN204506253U (en) | 2015-02-06 | 2015-02-06 | Portable adjustable ellipsograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204506253U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109333494A (en) * | 2016-08-24 | 2019-02-15 | 黄哲敏 | A kind of ellipsograph |
-
2015
- 2015-02-06 CN CN201520086899.3U patent/CN204506253U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109333494A (en) * | 2016-08-24 | 2019-02-15 | 黄哲敏 | A kind of ellipsograph |
| CN109333494B (en) * | 2016-08-24 | 2021-11-26 | 西宁共进新材料科技有限公司 | Ellipsograph |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20160206 |