CN203888476U - Trisection ruler for any linear segment - Google Patents
Trisection ruler for any linear segment Download PDFInfo
- Publication number
- CN203888476U CN203888476U CN201420341679.6U CN201420341679U CN203888476U CN 203888476 U CN203888476 U CN 203888476U CN 201420341679 U CN201420341679 U CN 201420341679U CN 203888476 U CN203888476 U CN 203888476U
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- CN
- China
- Prior art keywords
- trisection
- length
- mobile jib
- ruler
- bar
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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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- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
The utility model discloses a trisection ruler for any linear segment. The trisection ruler comprises a holding frame and two sets of sectioning ruler assemblies installed on the holding frame. The holding frame is mainly composed of a main rod, a supporting rod and a dial. The sectioning ruler assemblies are installed on the holding frame. The solid linear segment trisection ruler is provided, the method of similar triangles serves as the theoretic basis, a pen is controlled to move through the reciprocal bond among structural parts, two trisection points and a center point can be made on the linear segment within the specific length range under the condition of a certain error range, practicability is high, and the trisection ruler is worth popularizing.
Description
Technical field
The utility model relates to a kind of ruler, relates in particular to a kind of ruler that can accurately make two trisection points of arbitrary line section and a mid point.
Background technology
Trisection straightway has the methods such as middle collimation method, parallel method, two method of principal axes, scaling method, method of auxiliary circle and paper folding method, all methods are all the trisection points that utilizes construction with ruler and compasses indirectly to draw by setting up boost line above, cannot a step directly make the trisection point of straightway.
Straight line trisection is the problem that often can relate in our daily life, and in school, teacher and classmate often need to solve a difficult problem how much by making straightway trisection point; In daily production, we often need measure, locate and check by the knowledge of utilizing straight line trisection.
So far, in the existing patented technology of China, also there is no a kind of machine tool of making straightway trisection point function that has.
Utility model content
The utility model, in order to solve the above-mentioned deficiency of prior art, has proposed a kind of trisection gauge of arbitrary line section.
In order to solve the problems of the technologies described above, the utility model is by the following technical solutions: a kind of trisection gauge of arbitrary line section, it is characterized in that: comprise holding frame and being arranged on and hold the cover of two on frame point chi assembly, the described frame of holding comprises: a dial, open along its length the mobile jib of rail groove, with two poles that lay respectively at mobile jib both sides, wherein, described pole is by the identical angle orientation bar of length, middle connecting rod and endpoint location bar composition, the junction of the junction of described angle orientation bar and middle connecting rod and middle connecting rod and endpoint location bar all adopts riveting axle A to be connected, and also install and ensure the straight bracket of the linearly extended limit of pole on riveting axle A, the end of two butt point location bars is fixed with respectively the first locating pin and the second locating pin, the center, lower surface of the rearward end of described mobile jib, the rearward end of two angle orientation bars and dial is connected by riveting axle B, mobile jib and two poles are rotated around the axial of dial mutually taking riveting axle B as fulcrum, and the front end of described mobile jib is also provided with the 3rd locating pin, described point of chi assembly comprises: a pair of middle part is connected to two coulisses, on riveting axle A and is articulated with the parallel control lever between two coulisse ends, a pair of flexible slide bar and being arranged on respectively in two coulisses and is articulated with the manual penholders between two flexible slide bar front end ends, the two ends of described manual penholder are respectively equipped with the first paintbrush and the second paintbrush, two paintbrushes are all through flexible slide bar front end, and the second paintbrush that is close to mobile jib also penetrates in described rail groove, and the length of described manual penholder is identical with the length of angle orientation bar with the length of parallel control lever.
Wherein, this ruler entirety is symmetrical structure, and known two angle orientation bars, two middle connecting rods, two butt point location bars, two manual penholders, two parallel control levers are ten bars equal in length, the straight bracket of limit is identical, four coulisse is identical, four flexible slide bar is identical, four axial location rings are identical for ruler contain four, in chi, the endpoint location bar on every limit, middle connecting rod and angle orientation bar are equivalent to the line segment that three segment length are identical, utilize the through hole of end to be connected between two by the riveting axle of coulisse bottom; Each coulisse can be around the central rotation of self riveting axle; Each flexible slide bar is fixed in chute, and coulisse does the relative action of length direction relatively; Two parallel control levers connect respectively two coulisses on both sides, control the flexible slide bar in every limit two all the time in parastate; The first paintbrush and the second paintbrush are equipped with in manual penholder two ends, add up and have four paintbrushes with regard to one in both sides, two the second paintbrushes are wherein limited in rail groove and play the guiding role simultaneously for making mid point, two the second paintbrushes are unsettled for making trisection point, the each two flexible slide bars that connect in two manual penholder two ends, control the action of flexible slide bar; Rail slot length is greater than the overall length of every limit three bars, plays center line positioning action; Two angle orientation bar upper surfaces are painted with center line, for aliging with dial graduation mark; Dial is 360 ° of dials, its zero graduation line with overlap with the center line of an angle orientation bar wherein, and another angle orientation bar rises and takes measurement of an angle; To limit the endpoint location bar on every limit, middle connecting rod and angle orientation bar parallel between two for four straight brackets of limit, supports whole ruler simultaneously; Two butt point location boom ends are separately installed with the first locating pin and the second locating pin, and locating pin the 3rd locating pin is equipped with in rail groove end.This chi is finally by manually controlling the manual penholder on both sides, moves on request and can make two trisection points and a mid point of straightway thereby control paintbrush.
Compared with prior art, beneficial effect of the present invention: straightway trisection chi has successfully been realized the function of making two trisection points of straightway and a mid point, solve existing method and can not directly make the problem of straightway trisection point, for straight line trisection provides a kind of new method, this ruler design principle is simple, compact conformation, operating accuracy is high, result of use is outstanding, after scaled down, can be widely used in the every aspect of daily life, can produce and bring huge facility to daily life.
Brief description of the drawings
Fig. 1 is the structural representation of the Facad structure schematic diagram of making line segment trisection point of the present utility model;
Fig. 2 is the structural representation at the back side of the present utility model;
Fig. 3 is the structural representation of the Facad structure schematic diagram of making line segment mid point of the present utility model;
Fig. 4 is the of equal value alternative geometric representation of line segment of the present utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, utility model is described in detail.
As shown in Figure 1, 2, 3, the trisection gauge of a kind of arbitrary line section the utility model proposes, is characterized in that: comprise holding frame and being arranged on and hold the cover of two on frame point chi assembly,
The described frame of holding comprises dial 1, opens along its length the mobile jib 3 of rail groove 2 and lays respectively at two poles 4 of mobile jib both sides, wherein, pole is made up of the identical angle orientation bar 5 of length, middle connecting rod 6 and endpoint location bar 7, the junction of the junction of angle orientation bar 5 and middle connecting rod 6 and middle connecting rod 6 and endpoint location bar 7 all adopts riveting axle A8 to be connected, and also installs and ensure the straight bracket 9 of the linearly extended limit of pole on riveting axle A8; The end of two butt point location bars 7 is fixed with respectively the first locating pin 10 and the second locating pin 11; The center, lower surface of the rearward end of described mobile jib 3, the rearward end of two angle orientation bars 5 and dial 1 is connected by riveting axle B12, mobile jib and two poles are rotated around the axial of dial mutually taking riveting axle B12 as fulcrum, and the front end of described mobile jib 3 is also provided with the 3rd locating pin 13;
Point chi assembly comprises that centering portion is not connected to that two coulisses on riveting axle A8 14, are articulated with the parallel control lever 15 between two coulisse 14 ends, a pair of flexible slide bar 16 and being arranged on respectively in two coulisses 14 is articulated with the manual penholders 17 between two flexible slide bar 16 front end ends; The two ends of manual penholder 17 are respectively equipped with the first paintbrush 18 and the second paintbrush 19, two paintbrushes are all through flexible slide bar 16 front ends, and the second paintbrush 19 that is close to mobile jib also penetrates in described rail groove 2, and the length of manual penholder is identical with the length of angle orientation bar 5 with the length of parallel control lever.The length of rail groove 2 is not less than the length of described pole.Parallel control lever 15 adopts axial limiting ring 20 to be connected with coulisse 14.
Referring to Fig. 4, line segment AC, CG, GI, SR, EV, IP, IH, HD, DB, TU, VF is the node of all structures of the utility model, form with line segment in figure represents, wherein, AC and DB represent two butt point location bars, CG and HD represent two middle connecting rods, GI and IH represent two angle orientation bars, SR represents parallel control lever 15 with TU, EV and VF represent manual penholder 17, IP represents mobile jib, line segment MV, JE, NV, KF represents four flexible slide bars, the intersection point of every two sections of line segments represents that a place connects, e represents given straight line, AB is the line segment on straight line e, E, F is two trisection points of line segment AB, O is the mid point of line segment AB.
Line segment above of contrast in conjunction with Fig. 1 to 3, the utility model straightway trisection gauge operation principle: give the line segment AB on boning out e in known plane, first the first locating pin 10 on the endpoint location bar on both sides and the second locating pin 11 are navigated to respectively to A, on 2 of B, then on dial, read two angle [alpha] between angle orientation bar, and calculate the angle beta between angular bisector and angle orientation bar, utilize dial and the 3rd locating pin 13, mobile jib is navigated to angle beta place, on the angular bisector of rail groove in α angle, and keep three locating pin invariant positions, manually controlling manual penholder moves the second paintbrush in-orbit in groove, control the first paintbrush simultaneously and make a curve and line segment AB and meet at 1 E and be first trisection point of line segment AB, continue to control the mid point that manual penholder makes the second paintbrush make a straight line and AB in center line guide-track groove to meet at O point and obtain line segment AB, manual penholder one is pulled down to from dial farthest, the manual penholder of operation another side can obtain another trisection point F of line segment AB.
Above-described embodiment has only been expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the utility model patent and protection domain should be as the criterion with appended claims.
Claims (3)
1. a trisection gauge for arbitrary line section, is characterized in that: comprises holding frame and being arranged on and holds the cover of two on frame point chi assembly,
The described frame of holding comprises: a dial (1), open along its length the mobile jib (3) of rail groove (2) and lay respectively at two poles (4) of mobile jib both sides, wherein, described pole is made up of the identical angle orientation bar (5) of length, middle connecting rod (6) and endpoint location bar (7), the junction of described angle orientation bar (5) and middle connecting rod (6) and middle connecting rod (6) all adopt riveting axle A(8 with the junction of endpoint location bar (7)) be connected, and riveting axle A(8) on also install ensure the straight bracket of the linearly extended limit of pole (9); The end of two butt point location bars (7) is fixed with respectively the first locating pin (10) and the second locating pin (11); The center, lower surface of the rearward end of described mobile jib (3), the rearward end of two angle orientation bars (5) and dial (1) is connected by riveting axle B (12), make mobile jib and two poles taking riveting axle B(12) as fulcrum is around the axially rotation mutually of dial, the front end of described mobile jib (3) is also provided with the 3rd locating pin (13);
Described point of chi assembly comprises: a pair of middle part is connected to two riveting axle A(8) on coulisse (14), be articulated with parallel control lever (15) between two coulisses (14) end, a pair of flexible slide bar (16) and being arranged on respectively in two coulisses (14) is articulated with the manual penholders (17) between two flexible slide bar (16) front end ends; The two ends of described manual penholder (17) are respectively equipped with the first paintbrush (18) and the second paintbrush (19), two paintbrushes all run through and are installed on flexible slide bar (16) front end, and the second paintbrush (19) that is close to mobile jib also penetrates in described rail groove (2), the length of described manual penholder is identical with the length of angle orientation bar (5) with the length of parallel control lever.
2. the trisection gauge of arbitrary line section as claimed in claim 1, is characterized in that: the length of described rail groove (2) is not less than the length of described pole.
3. the trisection gauge of arbitrary line section as claimed in claim 1, is characterized in that: described parallel control lever (15) adopts axial limiting ring (20) to be connected with coulisse (14).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420341679.6U CN203888476U (en) | 2014-06-25 | 2014-06-25 | Trisection ruler for any linear segment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420341679.6U CN203888476U (en) | 2014-06-25 | 2014-06-25 | Trisection ruler for any linear segment |
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CN203888476U true CN203888476U (en) | 2014-10-22 |
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CN201420341679.6U Expired - Fee Related CN203888476U (en) | 2014-06-25 | 2014-06-25 | Trisection ruler for any linear segment |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104494340A (en) * | 2014-11-28 | 2015-04-08 | 福建普及智能科技开发有限公司 | Multi-functional equal dividing rule |
-
2014
- 2014-06-25 CN CN201420341679.6U patent/CN203888476U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104494340A (en) * | 2014-11-28 | 2015-04-08 | 福建普及智能科技开发有限公司 | Multi-functional equal dividing rule |
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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 |
Granted publication date: 20141022 Termination date: 20150625 |
|
EXPY | Termination of patent right or utility model |