CN2639016Y - Spindle ellipsograph - Google Patents
Spindle ellipsograph Download PDFInfo
- Publication number
- CN2639016Y CN2639016Y CN 03214295 CN03214295U CN2639016Y CN 2639016 Y CN2639016 Y CN 2639016Y CN 03214295 CN03214295 CN 03214295 CN 03214295 U CN03214295 U CN 03214295U CN 2639016 Y CN2639016 Y CN 2639016Y
- Authority
- CN
- China
- Prior art keywords
- wheel
- housing
- ellipsograph
- shell
- slide bar
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a spindle ellipsograph which consists of a shell of ellipsograph, a handle, a rotary lever, a slip rod, a pen holder and a nib; wherein the shell of ellipsograph is a rounded hollow rectangular body, three wheels are arranged in the shell, a slip way is provided in the shell, the slip rod is arranged in the slip way, one end of the slip rod is arranged under a wheel B and is connected with the wheel B, the rotary lever is arranged on the other end of the slip rod, a protruding part is provided on the slip rod which is connected with the wheel B, the protruding part penetrates the slip way and the shell to be inserted into a cylinder with a side hole, one end of the pen holder penetrates the hole on the side of the cylinder to be fixed by a set screw, the other end of the pen holder is connected with the nib, a shaft with the longitudinal shaft penetrating a wheel A is arranged on the rounded end of the shell and penetrates the shell while the part of the shaft which is outside the shell is provided with the handle and the other end of the shaft which is also outside the shell is provided with a suction cup, and a positioning screw is arranged on the other end of the shell to fix the length of the slip rod.
Description
Technical field
The utility model relates to a kind of drawing gauge, particularly relates to a kind of oval shaft type ellipsograph of drawing, and is to the replenishing of existing drawing instrument kind, and belongs to the drafting instrument category, and suitable teacher, student and engineers and technicians are drawing oval the use.
Background technology
Though usually need the picture ellipse in several teaching and scientific domain towel, but owing to there is not special-purpose ellipsograph, people draw the oval some method of retouching that still adopts and draw, promptly determine length semiaxis center 2 points earlier, Bu Ding form line point again, segmentation connects with compasses or curve ruler, or even free-hand connection, and the ellipse of drawing out like this can only be a sub-elliptical.There is not special-purpose this problem of ellipsograph in the drafting instrument for solving in recent years, people have proposed a lot of technical solutions, a kind of " ellipsograph " that provides for for example Chinese utility model patent ZL02233362.2 number, it comprises adjustable " C " shape telescope support of distance between two ends, between the two ends of telescope support, be connected with a length-adjustable fine rule, at the pen that has crotch near the nib place.China utility model patent ZL has provided another kind of " ellipsograph " for No. 01228280.4, it comprises two suckers, be provided with flexible rule box in a sucker therein, be provided with tape measure in the flexible rule box, flexible rule box is provided with the spacing card of spacing tape measure, the zero graduation point of tape measure is fixed on another sucker, is mounted with slotting penholder on tape measure, is mounted with the picture device in the end of inserting penholder.A kind of " ellipsograph " that China utility model patent ZL also provides for No. 97243202.7, its structure is by handle, the ellipsograph pin, the stiff end sleeve, rotate the end sleeve, the stiff end travelling gear, rotate the end travelling gear, power transmission shaft, the short neck rotating shaft of sleeve, pillar, the location draw point, the supporting central shaft, supporting, cross bar, drawing pen constitutes, be respectively arranged with the stiff end sleeve on the ellipsograph both feet, rotate the end sleeve, power transmission shaft is installed on the sleeve, the stiff end socket end is provided with the stiff end travelling gear, rotate the end socket end and be provided with rotation end travelling gear, the stiff end lower cartridge is equipped with pillar, and draw point is equipped with in the bottom.Above-mentioned these technical schemes about ellipsograph cut both ways, or complex structure or cost of manufacture are too high and do not accepted by market.
The utility model content
The purpose of this utility model is to overcome the prior art above shortcomings, by repetition test research, provide a kind of novel shaft type ellipsograph, this kind shaft type ellipsograph design science, simple in structure, ellipse accurately and fast can draw, both can be used as teaching aid and used, and can produce series of products again and make drawing instrument, do not had special-purpose this problem of ellipsograph in the drafting instrument thereby solved for student, technical staff.
The technical solution that the utility model provides is: this shaft type ellipsograph includes the ellipsograph housing, handle, turning handle, slide bar, penholder and nib, be characterized in that the ellipsograph housing is that an end is circular hollow, rectangular body, be provided with three wheels in its housing, the a wheel is 2: 1 with the diameter ratio of b wheel, the diameter of c wheel can be identical or different with the diameter of b wheel, wherein three wheels arrange for: a wheel is arranged on circle one end of housing, the b wheel is arranged on the centre of housing, the c wheel is arranged on the other end of housing, be connected by belt between three wheels, in housing, also have a chute, be provided with a slide bar in the chute, end in this slide bar is arranged on below the b wheel and with the b wheel and is connected, the other end of slide bar is provided with a turning handle, with the joining slide bar of b wheel one projection is arranged, this projection sees through housing by chute and penetrates in the cylinder with holes of side, pass the hole of cylindrical side and by it is fastening as an end of the elastic scaler of penholder with dog screw, the other end of elastic scaler is connected with nib, circle one end at housing has a major axis to pass the axle center of a wheel, its end that exposes housing is provided with a handle, its other end that exposes housing is provided with a sucker, on the other end of housing, be provided with dog screw, with the length of fixed slip bar.
For realizing the purpose of this utility model better, described slide bar and be provided with graduation mark as the elastic scaler of penholder is so that user's accurate in locating rapidly.
For realizing the purpose of this utility model better, three wheels that are provided with in the described housing and belt, available gear replaces, and its gear ratio is: a gear is 2: 1 with the diameter ratio of b gear, and the diameter of c gear can be identical or different with the diameter of b gear.
Compared with prior art, the beneficial effects of the utility model are: design science, simple in structure, with low cost, ellipse accurately and fast can draw, both having can be used as teaching aid uses, can produce series of products again and make drawing instrument, not have special-purpose this problem of ellipsograph in the drafting instrument thereby solved for student, technical staff.
Description of drawings
The working state schematic representation of the embodiment that Fig. 1 provides for the utility model;
The assembling schematic diagram of this embodiment that Fig. 2 provides for the utility model;
Fig. 3 is the schematic diagram of the ellipsograph enclosure interior state among Fig. 1.
Number in the figure is: 1. handle, 2. screw, 3. sucker, 4. ellipsograph housing, 5. turning handle, 6. slide bar, 7. penholder, 8. nib, 9.a wheel, 10.b wheel, 11.c wheel, 12. chutes, 13. dog screws, 14. belts.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in detail:
As Fig. 1～shown in Figure 3, this shaft type ellipsograph that the utility model provides includes ellipsograph housing 4, handle 1, turning handle 5, slide bar 6, penholder 7 and nib 8, ellipsograph housing 4 shown in Fig. 3 is that an end is circular hollow, rectangular body, be provided with three wheels in its housing, a wheel 9 is 2: 1 with the diameter ratio of b wheel 10, the diameter of c wheel 11 can be identical or different with the diameter of b wheel 10, wherein three wheels arrange for: a wheel 9 is arranged on circle one end of housing, b wheel 10 is arranged on the centre of housing, c wheel 11 is arranged on the other end of housing, be connected by belt 14 between three wheels, in housing, also have a chute 12, be provided with a slide bar 6 in the chute 12, end in this slide bar 6 is arranged on below the b wheel 10 and with b wheel 10 and is connected, the other end of slide bar 6 is provided with a turning handle 5, with b wheel 10 joining slide bars 6 projection is arranged, this projection sees through housing by chute 12 and penetrates in the cylinder with holes of side, pass the hole of cylindrical side and by it is fastening as an end of the elastic scaler of penholder 7 with dog screw 13, the other end of elastic scaler is connected with nib 8, circle one end at housing has a major axis to pass the axle center of a wheel 9, its end that exposes housing is provided with a handle 1, its other end that exposes housing is provided with a sucker 3, on the other end of housing, be provided with dog screw 13, with the length of fixed slip bar.For making things convenient for user's accurate in locating rapidly, slide bar 6 and be provided with graduation mark as the elastic scaler of penholder 7.
During use, need to determine earlier major semiaxis a and semi-minor axis b, by L
1=a+b/2, L
2=a-b/2 regulates axial line distance (mobile jib) L of a wheel 9 and b wheel 10
1With penholder 7 distance L
2, and axial line distance (mobile jib) L of a wheel 9 and b wheel 10
1Adjusting, can twitch slide bar 6, can drive b wheel 10 when slide bar 6 slides and move in chute 12, thereby reach axial line distance (mobile jib) L that regulates a wheel 9 and b wheel 10
1Purpose, determined axial line distance (mobile jib) L of a wheel 9 and b wheel 10
1With penholder 7 distance L
2After, screwed in place screw 13, and then fixing sucking disk 3, left hand is held handle 1, with the right hand turning handle 5 is rotated a circle, and needed ellipse can draw.
Claims (2)
1. shaft type ellipsograph, include the ellipsograph housing, handle, turning handle, slide bar, penholder and nib, it is characterized in that the ellipsograph housing is that an end is circular hollow, rectangular body, be provided with three wheels in its housing, the a wheel is 2: 1 with the diameter ratio of b wheel, the diameter of c wheel can be identical or different with the diameter of b wheel, wherein three wheels arrange for: a wheel is arranged on circle one end of housing, the b wheel is arranged on the centre of housing, the c wheel is arranged on the other end of housing, be connected by belt between three wheels, in housing, also have a chute, be provided with a slide bar in the chute, end in this slide bar is arranged on below the b wheel and with the b wheel and is connected, the other end of slide bar is provided with a turning handle, with the joining slide bar of b wheel one projection is arranged, this projection sees through housing by chute and penetrates in the cylinder with holes of side, pass the hole of cylindrical side and by it is fastening as an end of the elastic scaler of penholder with dog screw, the other end of elastic scaler is connected with nib, circle one end at housing has a major axis to pass the axle center of a wheel, its end that exposes housing is provided with a handle, its other end that exposes housing is provided with a sucker, also is provided with the dog screw in order to fixed slip bar length on the other end of housing.
2. shaft type ellipsograph according to claim 1 is characterized in that described slide bar and is provided with graduation mark as the elastic scaler of penholder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03214295 CN2639016Y (en) | 2003-07-28 | 2003-07-28 | Spindle ellipsograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03214295 CN2639016Y (en) | 2003-07-28 | 2003-07-28 | Spindle ellipsograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2639016Y true CN2639016Y (en) | 2004-09-08 |
Family
ID=34289918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03214295 Expired - Fee Related CN2639016Y (en) | 2003-07-28 | 2003-07-28 | Spindle ellipsograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2639016Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106994856A (en) * | 2016-01-25 | 2017-08-01 | 翁金环 | A kind of electronics ellipsograph |
| CN113799522A (en) * | 2021-09-17 | 2021-12-17 | 浙江理工大学 | Manual accurate drawing gauge for cam profiling curve |
-
2003
- 2003-07-28 CN CN 03214295 patent/CN2639016Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106994856A (en) * | 2016-01-25 | 2017-08-01 | 翁金环 | A kind of electronics ellipsograph |
| CN113799522A (en) * | 2021-09-17 | 2021-12-17 | 浙江理工大学 | Manual accurate drawing gauge for cam profiling curve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |