CN207466183U - A kind of Napier's compasses - Google Patents
A kind of Napier's compasses Download PDFInfo
- Publication number
- CN207466183U CN207466183U CN201720876396.5U CN201720876396U CN207466183U CN 207466183 U CN207466183 U CN 207466183U CN 201720876396 U CN201720876396 U CN 201720876396U CN 207466183 U CN207466183 U CN 207466183U
- Authority
- CN
- China
- Prior art keywords
- compasses
- thimble
- napier
- stabilizer blade
- housing
- 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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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model is related to a kind of Napier's compasses, it includes handle, compasses stabilizer blade and compasses and draws foot, the compasses stabilizer blade and compasses are drawn foot and are hinged on handle, and the end that the compasses draw foot is provided with lead for retractable pencil, and the compasses stabilizer blade is connected with angle measurer by the first adjustment device.The utility model is simple in structure, easy to use, is greatly improved drawing efficrence.
Description
Technical field
The utility model is related to a kind of Napier's compasses.
Background technology
At present, draw circle and circular arc used in compasses be all made of handle, two compasses stabilizer blades and handwriting etc., it is this
Scale is not provided on compasses, it is impossible to round radius and diameter are directly measured by compasses, it is impossible to compasses as one
Graduated scale uses, and there are many inconvenient during use.
When compasses is used to carry out picture circular arc, not only need to measure the radius of circle using graduated scale, it is also necessary to use protractor
Central angle is drawn, it is complicated for operation, it is inconvenient for use.
Utility model content
The purpose of this utility model be to provide it is a kind of simple in structure, it is easy to use, be greatly improved the multi-purpose of drawing efficrence
Compasses.
The utility model adopts the following technical solution：
A kind of Napier's compasses draw foot including handle, compasses stabilizer blade and compasses, and the compasses stabilizer blade and compasses are drawn foot and are hinged
On handle, the end that the compasses draw foot is provided with lead for retractable pencil, and the compasses stabilizer blade is connected with angulation by the first adjustment device
Device.
The first adjustment device includes the upper rack posts being fixedly connected with handle, the lower fulcrum bar being hinged with compasses stabilizer blade end
And respectively with upper rack posts and the connecting rod of the free hinge ending connection of lower fulcrum bar.
The angle measurer includes the housing being fixedly connected with lower fulcrum bar end, is separately positioned on inside and outside housing bottom
Gear with thimble, through housing and be fixedly connected with the first rotating shaft of the gear and thimble and be rotatably arranged on housing sidewall
And the bevel gear engaged with the gear；The housing sidewall is provided with central angle dial, and angle is provided on the bevel gear
Spend pointer.
The thimble includes the circulating type thimble being fixedly connected with first rotating shaft and is fixed at circulating type thimble one
Side and the orientation thimble parallel with circulating type thimble.
Further, further include positioning device, the positioning device include the sliding sleeve being nested on compasses stabilizer blade and
The locating rod being hinged with sliding sleeve, the other end and the compasses of the locating rod draw the lower part hinge of foot；It is set on the sliding sleeve useful
In the location nut of fixed sliding sleeve position.
Further, the compasses are drawn and are arranged in parallel with graduated scale on the outside of foot.
Further, the connecting rod is arranged in parallel in the outside of compasses stabilizer blade.
Further, the bevel gear is connect by the second shaft with housing into rotation.
Further, the circulating type thimble includes cylindrical tube and is arranged on the needle tooth of cylinder body bottom, along described
The axial direction of cylinder is provided with center thimble.
Further, the orientation thimble includes the needle arm being fixedly connected with cylinder and the orientation needle perpendicular to needle arm,
The orientation needle is parallel with center thimble.
The beneficial effects of the utility model are：By applying link mechanism and parallelogram rule, make thimble always
Perpendicular to paper, reach the accuracy of drawing.By the application of gear set, the number of degrees of the central angle corresponding to drawn circular arc are turned
Vertical transparent angle scale numerical value is turned to show, and the radius of drawn circle can be measured by the graduated scale for being fixed on compasses left arm.Band
It is accurate that the link mechanism for having location nut can be such that compasses subtended angle size more stablizes.Thimble is designed using intensive circulating type, makes to turn
Thimble can be fixedly secured in paper when dynamic, be not easy to loosen.Angle dial is transparent material, facilitates omnibearing observation.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the A portions partial enlarged view of Fig. 1.
Wherein, 1 handle, 2 compasses stabilizer blades, 3 compasses draw foot, 4 lead for retractable pencils, 5 upper rack posts, 6 lower fulcrum bars, 7 connecting rods, 8 housings, 9 teeth
Wheel, 10 first rotating shafts, 11 bevel gears, 12 central angle dials, 13 angle indicators, 14 sliding sleeves, 15 locating rods, 16 location nuts,
17 graduated scales, 18 second shafts, 19 cylinders, 20 needle teeth, 21 center thimbles, 22 needle arm, 23 orientation needles.
Specific embodiment
With reference to shown in Fig. 1 and Fig. 2, a kind of Napier's compasses draw foot 3, the circle including handle 1, compasses stabilizer blade 2 and compasses
Rule stabilizer blade 2 and compasses are drawn foot 3 and are hinged on handle 1, and the end that the compasses draw foot 3 is provided with lead for retractable pencil 4, the compasses stabilizer blade 2
Angle measurer is connected with by the first adjustment device.
The first adjustment device is included under the upper rack posts 5 being fixedly connected with handle 1 and 2 end of compasses stabilizer blade hinge
Strut 6 and respectively with upper rack posts 5 and the connecting rod 7 of the free hinge ending connection of lower fulcrum bar 6.Compasses stabilizer blade, upper rack posts, lower fulcrum bar and company
Bar forms parallelogram, when the aperture of compasses bipod changes, ensures that the thimble of angle measurer is vertical with paper always.
The angle measurer includes the housing 8 being fixedly connected with 6 end of lower fulcrum bar, is separately positioned on inside and outside 8 bottom of housing
The gear 9 of both sides with thimble, through housing 8 and be fixedly connected the gear 9 and thimble first rotating shaft 10 and rotation setting
In 8 side wall of housing and the bevel gear 11 that is engaged with the gear 9；8 side wall of housing is provided with central angle dial 12, described
Angle indicator 13 is provided on bevel gear 11.
The thimble includes the circulating type thimble being fixedly connected with first rotating shaft 10 and is fixed at circulating type thimble
Side and the orientation thimble parallel with circulating type thimble.The circulating type thimble includes cylindrical tube 19 and is arranged on cylinder
The needle tooth 20 of 19 bottoms is provided with center thimble 21 along the axial direction of the cylinder 19.The orientation thimble includes solid with cylinder 19
Surely the needle arm 22 connected and the orientation needle 23 perpendicular to needle arm 22, the orientation needle 23 are parallel with center thimble 21.
In use, center thimble is placed in circle centre position, orientation needle is fixed along radius, and adjustment compasses are drawn between foot and center thimble
Away to radius length, mobile compasses draw foot and start picture circle or circular arc.Since needle tooth fixes fixed cylinder on paper, rotation process
In, cylinder is motionless but drives first rotating shaft rotation, and first rotating shaft band moving gear rotates, and the bevel gear that gear drive engages turns
Dynamic, the angle indicator on bevel gear starts to rotate, and can pass through the corresponding center of circle of circular arc drawn by the reading of central angle dial at this time
Angle numerical value.Central angle dial is made of transparent material, and positive and negative both sides can read data, easy to operate.
The utility model further includes positioning device, the positioning device include being nested with the sliding sleeve 14 on compasses stabilizer blade 2 with
And the locating rod 15 being hinged with sliding sleeve 14, the other end and the compasses of the locating rod 15 draw the lower part hinge of foot 3；The sliding sleeve 14
On be provided with location nut 16 for fixing 14 position of sliding sleeve.Sliding sleeve can be moved along compasses stabilizer blade, and locating rod is by compasses bipod
It is open-top, when reaching precalculated position, location nut is screwed, compasses draw foot and compasses stabilizer blade is realized and fixed, and prevent from drawing circle process
Middle radius changes.
The outside that the compasses draw foot 3 is arranged in parallel with graduated scale 17.The connecting rod 7 is arranged in parallel in compasses stabilizer blade 2
Outside.The bevel gear 11 is rotatablely connected by the second shaft 18 with housing 8.Compasses are drawn also with graduated scale on foot, convenient straight
Connect measuring radius.
The utility model combines compasses, and protractor, the function of three kinds of instruments of graduated scale, easy to operate, hommization can be big
It is big to improve drawing efficrence.
Embodiment described above is only that the preferred embodiment of the utility model is described, but is not limited to
This, those skilled in the art is easy to understand according to above-described embodiment the spirit of the utility model, and makes different amplifications
And variation, but as long as not departing from the spirit of the utility model, it is within the protection scope of the utility model.
Claims (7)
1. a kind of Napier's compasses, including handle（1）, compasses stabilizer blade（2）Foot is drawn with compasses（3）, the compasses stabilizer blade（2）And circle
Programming foot（3）It is hinged on handle（1）On, the compasses draw foot（3）End be provided with lead for retractable pencil（4）, which is characterized in that the circle
Advise stabilizer blade（2）Angle measurer is connected with by the first adjustment device；
The first adjustment device includes and handle（1）The upper rack posts being fixedly connected（5）And compasses stabilizer blade（2）What end was hinged
Lower fulcrum bar（6）And respectively with upper rack posts（5）And lower fulcrum bar（6）Free hinge ending connection connecting rod（7）；
The angle measurer includes and lower fulcrum bar（6）The housing that end is fixedly connected（8）, be separately positioned on housing（8）In bottom
The gear of outer both sides（9）With thimble, through housing（8）And it is fixedly connected with the gear（9）With the first rotating shaft of thimble（10）With
And it is rotatably arranged on housing（8）Side wall and with the gear（9）The bevel gear of engagement（11）；The housing（8）Side wall is provided with
Central angle dial（12）, the bevel gear（11）On be provided with angle indicator（13）；
The thimble includes and first rotating shaft（10）The circulating type thimble that is fixedly connected and it is fixed at circulating type thimble one
Side and the orientation thimble parallel with circulating type thimble.
2. a kind of Napier's compasses according to claim 1, which is characterized in that it further includes positioning device, the positioning dress
It puts including being nested in compasses stabilizer blade（2）On sliding sleeve（14）And and sliding sleeve（14）The locating rod of hinge（15）, the locating rod
（15）The other end and compasses draw foot（3）Lower part be hinged；The sliding sleeve（14）On be provided with to fix sliding sleeve（14）Position
Location nut（16）.
3. a kind of Napier's compasses according to claim 1 or 2, which is characterized in that the compasses draw foot（3）Outside it is parallel
It is provided with graduated scale（17）.
A kind of 4. Napier's compasses according to claim 1, which is characterized in that the connecting rod（7）It is arranged in parallel in compasses branch
Foot（2）Outside.
A kind of 5. Napier's compasses according to claim 1, which is characterized in that the bevel gear（11）Pass through the second shaft
（18）With housing（8）Rotation connection.
6. a kind of Napier's compasses according to claim 1, which is characterized in that the circulating type thimble includes cylindrical tube
（19）And it is arranged on cylinder（19）The needle tooth of bottom（20）, along the cylinder（19）Axial direction be provided with center thimble（21）.
7. a kind of Napier's compasses according to claim 6, which is characterized in that the orientation thimble includes and cylinder（19）Gu
Surely the needle arm connected（22）And perpendicular to needle arm（22）Orientation needle（23）, the orientation needle（23）With center thimble（21）It is flat
Row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720876396.5U CN207466183U (en) | 2017-07-19 | 2017-07-19 | A kind of Napier's compasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720876396.5U CN207466183U (en) | 2017-07-19 | 2017-07-19 | A kind of Napier's compasses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207466183U true CN207466183U (en) | 2018-06-08 |
Family
ID=62256462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720876396.5U Expired - Fee Related CN207466183U (en) | 2017-07-19 | 2017-07-19 | A kind of Napier's compasses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207466183U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110920230A (en) * | 2019-11-19 | 2020-03-27 | 绍兴市华绅纺织品整理有限公司 | Manual flat screen printing machine and knitted fabric active printing low-urea printing process |
-
2017
- 2017-07-19 CN CN201720876396.5U patent/CN207466183U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110920230A (en) * | 2019-11-19 | 2020-03-27 | 绍兴市华绅纺织品整理有限公司 | Manual flat screen printing machine and knitted fabric active printing low-urea printing process |
| CN110920230B (en) * | 2019-11-19 | 2021-08-10 | 绍兴市华绅纺织品整理有限公司 | Manual flat screen printing machine and knitted fabric active printing low-urea printing process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180608 Termination date: 20190719 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |