CN206124550U - Appearance is drawn to variable -pitch demonstration and spire - Google Patents
Appearance is drawn to variable -pitch demonstration and spire Download PDFInfo
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- CN206124550U CN206124550U CN201620501028.8U CN201620501028U CN206124550U CN 206124550 U CN206124550 U CN 206124550U CN 201620501028 U CN201620501028 U CN 201620501028U CN 206124550 U CN206124550 U CN 206124550U
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Abstract
The utility model discloses an appearance is drawn to variable -pitch demonstration and spire, including locating support, track disc, supplementary stabilizer blade, spout push rod, gyro wheel branch, line ball pole, painting brush, even all alone, the locating support includes branch, is equipped with tongs dish and toper pinnacle respectively at the last lower extreme of branch, is equipped with movable shaft sleeve at the middle part of branch, division has the fixed orifices on the branch of the upper portion of axle sleeve, the track disc passes through the fixed orifices to be fixed on branch, and two supplementary stabilizer blades are fixed respectively at the outer fringe or the middle part of track disc, and gyro wheel branch, line ball pole and painting brush are being fixed respectively to the inboard one end vertical fixation of spout push rod on the spout push rod on the axle sleeve of locating support, and track disc, gyro wheel branch, line ball pole, painting brush are through even cable connection. The utility model is simple in operation, multiple functional, polar coordinates that can the different archimedes spiral of reflection directly perceived change the relation to can automatic draw out continuous equidistance spire.
Description
Technical field
This utility model is related to a kind of instruments used for education and Graphing of Engineering instrument, is circular motion and radial alignment motion unification
The device for getting up, it is specifically a kind of the functional relationship of different helicals and corresponding spiral shell to be drawn out under ocular demonstration polar coordinate system
The drawing apparatuss of line.
Background technology
It is teachers ' teaching, Students ' Learning, engineering design, existing with the development and technological progress of higher education in China
Field construction etc. is required for efficient and convenient multi-functional demonstration and drawing instrument.Archimedes spiral is one of conventional helical,
Occupy critical role in medium mathematics, College Maths and Graphing of Engineering, by the functional relationship under ocular demonstration polar coordinate system simultaneously
Corresponding line is depicted, can mitigate the teaching pressure of teacher can also help student to be understood and appreciated by, be to improve mathematics, drawing
Etc. the important means of curriculum teaching.Archimedes spiral is also abnormal extensive in actual applications, and engineers and technicians are each
Plant design, drawing to draw, workmen's many wirings at the scene want Jing to commonly use Archimedes spiral.Current picture master
To take a troublesome calculation result and be mainly approximation using methods such as manual list described point, the printings of computer software assignment, pinpoint
Between the multiplex broken line of line or discrete point replace, can't see the overall picture of real curve formation, efficiency is low and linkage and logical for drawing
Poor with property, demonstration easy to use simple to operate and drawing instrument are their urgent needs.
In order to solve the above problems, the nearly stage also occurs in that minority is related to the device of helical, and e.g., number of patent application is
Give in 201410227956.5 document " multi-functional mechanical drawing board ", mainly ruler, the set square of tradition
Independently it is combined together with protractor, completes respective function or partial cooperation function, it is impossible to draw non-circular arch dam；Patent
Number for 201320648009 document in give " a kind of functional image apparatus for demonstrating ", be achieved in that：Using active crystal oscillator
The electronic information technology material such as Logic control module, drive module, can only watch logarithmic function on dot matrix lcd module
The video data of image, without direct function relation and curve function is described；Be given in the document of Patent No. 201410577646
" a kind of cam profile curve drafting demonstrator ", can only draw cam closed curve figure, it is difficult to complete under polar coordinate system etc.
Away from the drafting of helical.
In sum document exists following not enough：Can not be by simple mechanical component ocular demonstration Archimedes spiral
Polar coordinate corresponding relation, it is impossible to draw out various helicals personally by simple operationss, is especially detrimental to student personal for learning
Practise, be not easy to draw curve in fixed pan or working site, the function deficiency suitability is low.
The content of the invention
In order to overcome it is manual draw do not accomplish or existing instrument in the function that lacks, the purpose of this utility model is to provide one
Varying pitch demonstration and helical drawing instrument are planted, the device can be used in classroom, drafting room, job site, simple to operate multiple functional
Easy to carry, the helical of drafting is clearly accurate, high working efficiency.
The purpose of this utility model is achieved through the following technical solutions：
A kind of varying pitch demonstration and helical drawing instrument, it is characterised in that：The instrument includes locating support, track disc, auxiliary
Help leg, chute push rod, roller pole, line pressing rod, even paintbrush, rope；The locating support includes pole, in the upper and lower side of pole
Handgrip disk and taper pinnacle are respectively equipped with, movable axle sleeve is provided with the middle part of pole, on the top pole of axle sleeve fixation is provided with
Hole；Track disc is fixed on pole by fixing hole, and two auxiliary legs are separately fixed at outer rim or the middle part of track disc,
The inner opposite end of chute push rod is vertically fixed on the axle sleeve of locating support, on chute push rod distinguish fixed roller pole,
Line pressing rod and paintbrush, track disc, roller pole, line pressing rod, paintbrush are by even rope connection.
In this utility model, track disc is made up of transparent plate bottom, kinking wheel rim, circular boop set, and transparent plate bottom is that have one
Determine the transparent ring disk of thickness and intensity, circular boop set is connected on the internal ring at transparent plate bottom, the circular boop set below transparent plate bottom
Outside be fixed with the different kinking wheel rim of multiple radiuses, coiling groove is provided with the outside of each kinking wheel rim, in groove
Bottom is provided with line card, and at transparent plate bottom outer rim and middle part leg jack is all left, be provided with above transparent plate bottom angulation disk and
Pole axis, track disc puts circular hole and links together with the fixing hole on locating support by circular boop.Wherein, transparent plate bottom, twine
Line wheel circle, circular boop are cased with the common center of circle, and the radius of kinking wheel rim is R=b.
In this utility model, auxiliary legs are by flat bracket, leg pole, lower margin, band hole sleeve, spring pipe support, lock box
Deng composition, spring pipe support, lock box are embedded in the middle part of flat bracket, in the upper end of spring pipe support helical spring are provided with, in spring
There is pole to pass through, the upper and lower ends of pole are respectively equipped with push button pad and lower margin, one section of band hole sleeve is cased with the middle part of pole,
Top in lock box is provided with spring latch, and the bottom in lock box is provided with push switch, and flat bracket two ends are respectively provided with nail.It is auxiliary
Help leg pin that flat bracket is fixed at the leg jack of track disc.Wherein, band hole sleeve and lock box are tightly combined,
Stretch out to pin by spring latch and be defined with hole sleeve.
In this utility model, chute push rod is made up of thin plate bar, trough of belt slide block.Chute, band are provided with the middle part of thin plate bar
Groove slide block is embedded in chute, and paintbrush jack is provided with the middle part of trough of belt slide block, and in the both sides of paintbrush jack wiring hole is respectively provided with,
The two ends of thin plate bar have interior axis hole and rotate a bar jack, and the side of interior axis hole one end is provided with multiple lines on thin plate bar
Bar jack opposite side is carved with rule, and on the edge for rotating a bar jack pipe box is provided with, and pin hole is provided with pipe box.Chute is pushed away
The movable axis that bar is connected on locating support by interior axis hole puts.Wherein, length of the center of line bar jack from interior axis hole center
Degree is corresponding with the outer radius of kinking wheel rim identical.The initial position of slide block is set to ρ0=a.
In this utility model, roller pole is made up of straight-bar, turning rolls, roller, outer tube, push-jump handle etc., pole
Insert in lower end in outer tube, the lower end of outer tube is provided with turning rolls, in the lower end of turning rolls roller is provided with, in the upper end of pole
Push-jump handle is fixed with, line pulley was provided with the middle part of pole, crossed on line pulley and be carved with wire casing, line pulley is crossed in the middle part of pole
Lower section is provided with fixing hole, and roller pole is fixed together by fixing hole with the pin hole of pipe box on chute push rod.
In this utility model, line pressing rod is made up of round bar, bolt, runner, positioning spool etc., and round bar is one section of indeformable circle
Bar, in the upper end of round bar runner is cased with, and one section of bolt of lower termination, bolt is provided with nut, is provided with vertical in the middle part of round bar
Positioning spool, at the upper end vertical cross-section of round bar blusher colored lights is provided with.Line pressing rod is fixed on chute push rod by bolt and nut
Terminal jack at.
In this utility model, paintbrush is made up of penholder, nib, fixed disk etc., and penholder is round bar always, and its top is one section
Bolt, nib is fixed on the lower end of penholder by adjusting spring, and in the middle part of penholder, the top of penholder is provided with nut to fixed disk,
Green lampion is provided with the upper end vertical cross-section of penholder.Paintbrush is fixed on the trough of belt slide block of chute push rod by fixed disk and nut
On paintbrush jack at.
In this utility model, even rope is the inelastic cord of softness, and even Suo Yiduan is fixed on kinking in track disc
At the line card of wheel rim, the other end sequentially passes through the wire casing that spool, roller pole went up line pulley that positions on line pressing rod, is fixed on
On chute push rod at the string holes of trough of belt slide block.
During practical operation, different kinking wheel rims, the initial position of slide block, or the connected mode of drawstring can be selected, both
The polar coordinate relation of helical can be demonstrated, required curve can be also drawn out, functional value can also be calculated, it is possible thereby to solve helical
The relevant issues of ρ=a+b θ (a ＞ 0, θ are radian).The material therefors such as support, pole, push rod are rigidity.
This utility model has the advantages that：
This utility model has demo function, can demonstrate the change in location relation under the quantitative relation and polar coordinate of helical,
Operating procedure is：First, system assembles, have the one of kinking wheel rim facing to the taper pinnacle of locating support and vertical track disc
It is fixed on pole, two auxiliary legs is separately fixed in track disc, the interior axis hole of the slideway push rod equipped with paintbrush
It is enclosed within the axle sleeve of locating support, roller pole is fixed on the outer end jack of slideway push rod, after selecting certain kinking wheel rim,
Line pressing rod is arranged on slideway push rod in corresponding line bar jack, is located in track disc, line pressing rod, roller pole and paintbrush
With even Suo Xianglian between slide block；2nd, original state adjustment, polar coordinate system on the pinnacle alignment cardboard of demonstrator locating support
Limit, left hand is vertically pinned handgrip disk and is not put, and right hand rotation track disc makes the pole axis of polar coordinate system overlap, and is pressed respectively with the right hand
Lower auxiliary legs, open red and green color colored lights adjustment brush tip and leave paper, and sliding slider makes paintbrush center be directed at initial path length
ρ0=a, turning knob makes even rope in tension；3rd, demonstrate, it is motionless to pin handgrip disk on the other hand, another handss catch roller
Push-jump handle on bar, it is push-jump counterclockwise, will see that blusher colored lights is circled in the vertical direction of paper, together
When green lampion to leave origin for linear motion.When chute push rod encounters auxiliary legs to be switched, auxiliary legs leave paper automatically
Face, continues to press on chute pushrod movement, when chute push rod is left below auxiliary legs, auxiliary legs is pressed again, whole dress
Put holding steady statue, two lampions are each continuously moved, reflection be function ρ=a+b θ relation.
This utility model has drawing function, and helical ρ=a+b θ can be drawn on chart board or paper (a ＞ 0, θ are radian)
Image, operating procedure one, three as demonstration operation as, two, original state adjustment, open red and green color colored lights, adjust paintbrush
Stylus contact paper, other are such as demonstration operation；4th, terminate, when chute push rod reaches the scale on angulation disk, one opens
Drawing apparatuss.
This utility model is simple to operate, as long as the handle on pushing rolling wheels leg can just complete demonstration and curve plotting；Work(
Can be complete, in system feasible value, can intuitively reflect the polar coordinate variation relation of different Archimedes spirals, and can paint automatically
Make continuous equidistant helical；It is with low cost, just can group industrial clout or the simply processing of the old and useless article Jing in life
Dress up product.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of locating support in this utility model；
Fig. 3-1 is the structural representation of basic circle wire spool in this utility model；
Fig. 3-2 is to be decorated with the schematic diagram of pole axis in 0 ° of direction of angulation disk in this utility model basic circle wire spool.
Fig. 4 is the structural representation of auxiliary legs in this utility model；
Fig. 5 is the structural representation of this utility model middle slideway push rod；
Fig. 6 is the structural representation of roller pole in this utility model；
Fig. 7 is the structural representation of line pressing rod in this utility model；
Fig. 8 is the structural representation of drawing board in this utility model.
In figure：1-locating support, 11-pole, 12-taper pinnacle, 13-handgrip disk, 14-axle sleeve, 15-fixation
Hole；2-track disc, 21-transparent plate bottom, 22-kinking wheel rim, 23-circular boop set, 24-circular hole, 25-groove, 26-line
Card, 27-leg jack, 28-angulation disk, 29-pole axis；3-auxiliary legs, 31-flat bracket, 32-leg pole,
33-lower margin, 34-band hole sleeve, 35-helical spring, 36-push button pad, 37-spring pipe support, 38-lock box, 39-spring
Dead bolt, 310-push switch, 311-pin hole；4-slideway push rod, 41-thin plate bar, 42-groove, 43-trough of belt slide block,
44-rotate bar jack, 45-interior axis hole, 46-line bar jack, 47-paintbrush jack, 48-wiring hole, 49-sleeve pipe,
410- pin holes, 411-rule；5-roller pole, 51-straight-bar, the frame of 52-roller, 53-roller, 54-outer tube,
55-push-jump handle, 56-mistake line pulley, 57-installing hole；6-line pressing rod, 61-circle straight tube, 62-bolt, 63-runner,
64-nut, 65-line ball pipe, 66-string holes, 67-blusher colored lights；7-paintbrush, 71-penholder, 72-nib, 73-regulation
Spring, 74-fixed disk, 75-paintbrush nut, 76-green lampion；8-connect rope
Specific embodiment
This utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in figure 1, varying pitch demonstration and helical drawing instrument, play positioning and the locating support 1 of rotating shaft effect and pass perpendicularly through
The core of transparent track disc 2, two auxiliary legs 3 are separately fixed at outer rim and the middle part of track disc 2, chute push rod 4
One end vertical axises on locating support 1, in the fixed roller pole 5 in the outer end of chute push rod 4, the one end of line pressing rod 6 is fixed on
The other end abuts track disc 2 on chute push rod 4, and paintbrush 7 is arranged in the slide block on chute push rod 4, and even rope 8 is track disc
2nd, roller pole 5, line pressing rod 6, paintbrush 7 connect together.
As shown in Fig. 2 exponential function demonstration and image rendering instrument, locating support 1 includes pole 11, in the upper and lower of pole 11
End is respectively equipped with handgrip disk 13 and taper pinnacle 12, and at the middle part of pole 11 movable axle sleeve 14 is provided with, on the top of axle sleeve 14
Fixing hole 15 is provided with bar 11.
As shown in figure 3, varying pitch demonstration and helical drawing instrument, track disc 2 is by transparent plate bottom 21, kinking wheel rim 22, circle
Cuff 23 is constituted, and circular boop set 23 is fixed on the internal ring at transparent plate bottom 21, the outside of circular boop set 23 below transparent plate bottom 21
The different kinking wheel rim 22 of multiple radiuses is fixed with, coiling groove 25 is provided with the outside of each kinking wheel rim 22, in groove 25
Bottom be provided with line card 26, all leave leg jack 27 at the outer rim of transparent plate bottom 21 and middle part, set above transparent plate bottom 21
There are angulation disk 28 and pole axis 29.
As shown in figure 4, varying pitch demonstration and helical drawing instrument, auxiliary legs 3 by flat bracket 31, leg pole 32,
Foot 33, band hole sleeve 34, spring pipe support 37, lock box 38 etc. are constituted, and spring pipe support 37, lock box 38 are embedded in flat bracket 31
Portion, in the upper end of spring pipe support 37 helical spring 35 is provided with, and has pole 32 to pass through in spring 35, the upper and lower ends point of pole 32
Push button pad 36 and lower margin 33 are not provided with, at the middle part of pole 32 one section of band hole sleeve 34 is cased with, the top in lock box 38 is provided with
Spring latch 39, the bottom in lock box 38 is provided with push switch 310, and the two ends of flat bracket 31 are respectively provided with nail 311.
As shown in figure 5, varying pitch is demonstrated and helical drawing instrument, chute push rod 4 is made up of thin plate bar 41, trough of belt slide block 43.
Chute 42 is provided with the middle part of thin plate bar 41, trough of belt slide block 43 is embedded in chute 42, and at the middle part of trough of belt slide block 43 paintbrush is provided with
Jack 47, in the both sides of paintbrush jack 47 wiring hole 48 is respectively provided with, and is had interior axis hole 45 at the two ends of thin plate bar 41 and is turned
Dynamic bar jack 44, the side of the one end of axis hole 45 is provided with multiple opposite sides of line bar jack 46 and is carved with rule in thin plate bar 41
411, pipe box 49 is provided with the edge for rotating a bar jack 44, pin hole 410 is provided with pipe box 49.
As shown in fig. 6, varying pitch demonstration and helical drawing instrument, roller pole 5 is by pole 51, turning rolls 52, roller 53, outer
Intubation 54, push-jump handle 55 etc. are constituted, and during outer tube 54 is inserted in the lower end of pole 51, the lower end of outer tube 54 is provided with turning rolls
52, roller 53 is provided with the lower end of turning rolls 52, push-jump handle 55 is fixed with the upper end of pole 51, set at the middle part of pole 51
There is line pulley 56, and crossed on line pulley 56 and be carved with wire casing 58, and crossed below line pulley 56 at the middle part of pole 51 and be provided with fixing hole 57.
As shown in fig. 7, varying pitch demonstration and helical drawing instrument, line pressing rod 6 is by round bar 61, bolt 62, runner 63, position line
The grade of pipe 65 is constituted, and round bar 61 is one section of indeformable round bar, and in the upper end of round bar 61 runner 63 is cased with, lower to terminate one section of bolt 62,
Bolt 62 is provided with nut 64, and at the middle part of round bar 61 vertical positioning spool 65 is provided with, in the upper end vertical cross-section of round bar 61
Place is provided with blusher colored lights 66.
As shown in figure 8, varying pitch is demonstrated and helical drawing instrument, paintbrush 7 is made up of penholder 71, nib 72, fixed disk 74 etc.,
Penholder 71 is round bar always, and its top is one section of bolt, and nib 72 is fixed on the lower end of penholder 71 by adjusting spring 73, fixed
At the middle part of penholder 71, the top of penholder 71 is provided with nut 75, at the upper end vertical cross-section of penholder 71 green lampion is provided with disk 74
76。
Operation principle of the present utility model is, the equidistant change of the fixed point on pivoting connecting rod and moving point, by fortune
Motivation structure and company's rope are united, and form the spiral path of variable element.Have the advantage that：It is simple to operate, after being completed only
Want driving handle just can complete to demonstrate and draw；Strong applicability：Different radii and initial potential energy is selected to complete drilling for many kinds of parameters
Show, calculate and drawing function；It is with low cost, some of industrial clout or life old and useless article Jing is simply processed with regard to energy
It is assembled into product；It is easy to carry, can be placed in a writing case after critical piece dismounting, it is complete by the simple assembly of Jing when using
Into.
Claims (8)
1. a kind of varying pitch is demonstrated and helical drawing instrument, it is characterised in that：The instrument includes locating support（1）, track disc
（2）, auxiliary legs（3）, chute push rod（4）, roller pole（5）, line pressing rod（6）, paintbrush（7）, even rope（8）；The positioning
Frame（1）Including pole（11）, in pole（11）Upper and lower side is respectively equipped with handgrip disk（13）With taper pinnacle（12）, in pole（11）
Middle part be provided with movable axle sleeve（14）, in axle sleeve（14）Top pole（11）On be provided with fixing hole（15）；Track disc（2）It is logical
Cross fixing hole（15）It is fixed on pole（11）On, two auxiliary legs（3）It is separately fixed at track disc（2）Outer rim and in
Portion, chute push rod（4）Inner opposite end be vertically fixed on locating support（1）Axle sleeve（14）On, in chute push rod（4）Upper difference
Fixed roller pole（5）, line pressing rod（6）And paintbrush（7）, track disc（2）, roller pole（5）, line pressing rod（6）, paintbrush
（7）By even rope（8）Connection.
2. varying pitch according to claim 1 is demonstrated and helical drawing instrument, it is characterised in that：Track disc（2）By transparent
Try to get to the heart of a matter（21）, kinking wheel rim（22）, circular boop set（23）Constitute, transparent plate bottom（21）It is the transparent circle with certain thickness and intensity
The ring disk, circular boop set（23）It is fixed on transparent plate bottom（21）Internal ring on, at transparent plate bottom（21）Below circular boop set（23）It is outer
Face is fixed with one group of different kinking wheel rim of radius（22）, in each kinking wheel rim（22）Outside be provided with coiling groove（25）,
In coiling groove（25）Bottom be provided with line card（26）, at transparent plate bottom（21）Leg jack is all left at outer rim and middle part（27）,
At transparent plate bottom（21）Above be provided with angulation disk（28）And pole axis（29）, track disc（2）By circular boop set（23）Upper circular hole
（24）With locating support（1）On fixing hole（15）It is fixed together.
3. varying pitch according to claim 1 is demonstrated and helical drawing instrument, it is characterised in that：Auxiliary legs（3）By flat board
Support（31）, leg pole（32）, lower margin（33）, band hole sleeve（34）, spring pipe support（37）, lock box（38）Constitute, bourdon tube
Frame（37）, lock box（38）It is embedded in flat bracket（31）Middle part, in spring pipe support（37）Upper end be provided with helical spring（35）,
Helical spring（35）Inside there is leg pole（32）Pass through, leg pole（32）Upper and lower ends be respectively equipped with push button pad（36）And ground
Foot（33）, in leg pole（32）Middle part be cased with one section band hole sleeve（34）, in lock box（38）Interior top is provided with springlock
Tongue（39）, in lock box（38）Interior bottom is provided with push switch（310）, flat bracket（31）Two ends are respectively provided with nail（311）；It is auxiliary
Help leg（3）By flat bracket（31）Nail（311）It is connected in track disc（2）Leg jack（27）Place.
4. varying pitch according to claim 1 is demonstrated and helical drawing instrument, it is characterised in that：Chute push rod（4）By thin plate
Bar（41）, trough of belt slide block（43）Constitute；In thin plate bar（41）Middle part be provided with chute（42）, trough of belt slide block（43）It is embedded in chute
（42）It is interior, in trough of belt slide block（43）Middle part be provided with paintbrush jack（47）, in paintbrush jack（47）Both sides be respectively provided with wiring hole
（48）, in thin plate bar（41）Two ends have interior axis hole（45）A bar jack is propped up with rotating（44）, in thin plate bar（41）Interior axle
Hole（45）The side of one end is provided with one group of line bar jack（46）Opposite side is carved with rule（411）, rotating a bar jack（44）
Edge be provided with pipe box（49）, pipe box（49）On be provided with pin hole（410）；Chute push rod（4）By interior axis hole（45）Connection
In locating support（1）On movable axle sleeve（14）On.
5. varying pitch according to claim 1 is demonstrated and helical drawing instrument, it is characterised in that：Roller pole（5）By straight-bar
（51）, turning rolls（52）, roller（53）, outer tube（54）, push-jump handle（55）Composition, straight-bar（51）Lower end in insert in extrapolation
Pipe（54）In, outer tube（54）Lower end be provided with turning rolls（52）, in turning rolls（52）Lower end be provided with roller（53）, in straight-bar
（51）Upper end be fixed with push-jump handle（55）, in straight-bar（51）Middle part be provided with line pulley（56）, cross line pulley（56）On
It is carved with wire casing（58）, in straight-bar（51）Line pulley is crossed at middle part（56）Lower section is provided with installing hole（57）, roller pole（5）By installing
Hole（57）With chute push rod（4）Upper pipe box（49）Pin hole（410）It is fixed together.
6. varying pitch according to claim 1 is demonstrated and helical drawing instrument, it is characterised in that：Line pressing rod（6）By round bar
（61）, bolt（62）, runner (63), positioning spool (65) composition, round bar（61）It is one section of indeformable round bar, in round bar（61）'s
Upper end is cased with runner (63), one section of bolt of lower termination（62）, bolt（62）It is provided with nut（64）, in round bar（61）Middle part set
There is vertical positioning spool (65), in round bar（61）Upper end vertical cross-section at be provided with blusher colored lights (66)；Line pressing rod（6）Pass through
Bolt（62）Nut（64）It is fixed on chute push rod（4）Terminal jack（46）Place.
7. varying pitch according to claim 1 is demonstrated and helical drawing instrument, it is characterised in that：Paintbrush（7）By penholder（71）、
Nib（72）, fixed disk（74）Composition, penholder（71）It is round bar always, its top is one section of bolt, nib（72）By adjusting
Spring（73）It is fixed on penholder（71）Lower end, fixed disk（74）In penholder（71）Middle part, penholder（71）Top be provided with paintbrush
Nut（75）, in penholder（71）Upper end vertical cross-section at be provided with green lampion (76)；Paintbrush（7）By fixed disk（74）And picture
Nut（75）It is fixed on chute push rod（4）Trough of belt slide block（43）On paintbrush jack（47）Place.
8. varying pitch according to claim 1 is demonstrated and helical drawing instrument, it is characterised in that：Connect rope（8）It is a softness
Inelastic cord, connects rope（8）One end is fixed on track disc（2）Upper kinking wheel rim（22）Line card（26）Place, the other end according to
It is secondary through line pressing rod（6）On positioning spool (65), roller pole（5）It is upper to cross line pulley（56）Wire casing（58）, it is fixed on cunning
Groove push rod（4）Upper trough of belt slide block（43）String holes（48）Or（49）Place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620501028.8U CN206124550U (en) | 2016-05-26 | 2016-05-26 | Appearance is drawn to variable -pitch demonstration and spire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620501028.8U CN206124550U (en) | 2016-05-26 | 2016-05-26 | Appearance is drawn to variable -pitch demonstration and spire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206124550U true CN206124550U (en) | 2017-04-26 |
Family
ID=58560727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620501028.8U Expired - Fee Related CN206124550U (en) | 2016-05-26 | 2016-05-26 | Appearance is drawn to variable -pitch demonstration and spire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206124550U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109774357A (en) * | 2019-03-26 | 2019-05-21 | 吴玥 | A kind of electromechanical master curve rule |
-
2016
- 2016-05-26 CN CN201620501028.8U patent/CN206124550U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109774357A (en) * | 2019-03-26 | 2019-05-21 | 吴玥 | A kind of electromechanical master curve rule |
| CN109774357B (en) * | 2019-03-26 | 2024-03-29 | 吴玥 | Electromechanical universal curve gauge |
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Granted publication date: 20170426 Termination date: 20190526 |