CN204870228U - Parabola rule - Google Patents
Parabola rule Download PDFInfo
- Publication number
- CN204870228U CN204870228U CN201520435365.7U CN201520435365U CN204870228U CN 204870228 U CN204870228 U CN 204870228U CN 201520435365 U CN201520435365 U CN 201520435365U CN 204870228 U CN204870228 U CN 204870228U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- chi
- guide post
- right connecting
- left connecting
- Prior art date
- 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.)
- Withdrawn - After Issue
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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model relates to a parabola rule contains rectangular support, catch bar, divided device, be provided with the spout on the rectangular support, and the middle part be provided with about the interval level place and hang down straight chute's the chi that zooms, the one end slidable of catch bar sets up in the spout, and with the chi parallel placement zooms, the divided device includes the guide bar and sets up at guide bar both sides while pivoted left side connecting rod and right connecting rod, and arbitrary some distance to left connecting rod one end and right connecting rod one end is equal on the guide bar, the one end of left side connecting rod and the one end rotatable coupling who zooms the chi, right connecting rod's one end and catch bar rotatable coupling, and the junction sets up directly over rectangular support medial surface, guide bar and catch bar are crossing to be placed, and crossing department is provided with the pen socket, the utility model discloses draw not only accuracy but also swift of parabola, and simple structure, quality are light to drawing efficiency has been improved, also portable.
Description
Technical field
The utility model relates to drawing field, refers 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.
Utility model content
The utility model object provides a kind of drafting parabola both accurate para-curve gauges efficiently to overcome the deficiencies in the prior art, and structure is simple, quality is light, thus improves drawing efficiency, and is easy to carry.
For achieving the above object, the technical solution adopted in the utility model 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 utility model compared with prior art has following advantages:
Para-curve gauge described in the utility model 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 solutions of the utility model are described further:
Accompanying drawing 1 is the front view of para-curve gauge described in the utility model;
Accompanying drawing 2 is the top view of para-curve gauge described in the utility model;
Accompanying drawing 3 is divided device structure chart in para-curve gauge described in the utility model;
Accompanying drawing 4 is A place partial enlarged drawing in Fig. 3;
Accompanying drawing 5 is the operating diagram of para-curve gauge described in the utility model;
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 utility model is described in further detail.
Accompanying drawing 1-5 para-curve gauge described in the utility model, 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 utility model compared with prior art has following advantages:
Para-curve gauge described in the utility model 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 utility model, protection domain of the present utility model is not constituted any limitation.The technical scheme that all employing equivalents or equivalence are replaced and formed, all drops within the utility model rights protection scope.
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 |
|---|---|---|---|
| CN201520435365.7U CN204870228U (en) | 2015-06-24 | 2015-06-24 | Parabola rule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520435365.7U CN204870228U (en) | 2015-06-24 | 2015-06-24 | Parabola rule |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204870228U true CN204870228U (en) | 2015-12-16 |
Family
ID=54814647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520435365.7U Withdrawn - After Issue CN204870228U (en) | 2015-06-24 | 2015-06-24 | Parabola rule |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204870228U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105034653A (en) * | 2015-06-24 | 2015-11-11 | 苏州市职业大学 | Parabola drawing instrument |
-
2015
- 2015-06-24 CN CN201520435365.7U patent/CN204870228U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105034653A (en) * | 2015-06-24 | 2015-11-11 | 苏州市职业大学 | Parabola drawing instrument |
| CN105034653B (en) * | 2015-06-24 | 2016-09-28 | 苏州市职业大学 | A kind of para-curve gauge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151216 Effective date of abandoning: 20160928 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |