CN203798285U - Multi-functional measuring instrument - Google Patents
Multi-functional measuring instrument Download PDFInfo
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- CN203798285U CN203798285U CN201420233323.0U CN201420233323U CN203798285U CN 203798285 U CN203798285 U CN 203798285U CN 201420233323 U CN201420233323 U CN 201420233323U CN 203798285 U CN203798285 U CN 203798285U
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- ruler
- main scale
- chi
- fan
- blade
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Abstract
The utility model discloses a multi-functional measuring instrument. The multi-functional measuring instrument comprises a main ruler, a sliding ruler and a fan-shaped ruler having a central angle of 270 DEG, wherein the main ruler and the sliding ruler are respectively a right-angled ruler and respectively comprise a horizontal ruler body and a vertical ruler body which are mutually perpendicular, the main ruler and the sliding ruler are inserted together to form a rectangular quadrilateral measuring area, the fan-shaped ruler is connected with the main ruler, a circle center of the fan-shaped ruler is aligned with a right-angled outer inflection point of the main ruler, a connection portion of the circle center of the fan-shaped ruler and the right-angled outer inflection point form a through hole, and two straight edges of the fan-shaped ruler are respectively connected with the horizontal ruler body and the vertical ruler body of the main ruler correspondingly. The multi-functional measuring instrument can not only accomplish routine measurement tasks, such as straight line length measurement and included angle measurement, but also can conveniently measure the dimensions of two perpendicular diameters of a circle, an ellipse or other specially-shaped enclosed curves, is simple to operate, is convenient to use, greatly shortens the measurement time, improves work efficiency, and further has advantages of small error and high measurement precision.
Description
Technical field
The utility model belongs to surveying instrument technical field, specifically, relates to a kind of diameter of measurement rules and erose closed curve and Multifunctional measuring tool of angle of can being used for.
Background technology
Current survey instrument, such as ruler, set square, protractor etc., can only measure some special parameter of regular shape, and function singleness, when needs are measured many kinds of parameters, need to use multiple survey instrument to cooperate just can complete, complicated operation, Measuring Time is long.Particularly for the diameter dimension of the closed curve such as circular, oval, if adopting conventional at present survey instrument measures, must first by the mode of range estimation, determine the diametrical position of closed curve, then utilize ruler or set square to measure the size of diameter.The dimensional parameters that this employing range estimation mode is measured is obviously not accurate enough, has very large measuring error.
Summary of the invention
The purpose of this utility model is to provide a kind of polymeter, can the size of the closed curve of arbitrary shape be realized fast and accurately and being measured.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A polymeter, comprises that a main scale, slip chi and central angle are the range deflection fan of 270 °; Described main scale and slip chi are try square, comprise respectively orthogonal horizontal blade and vertical blade, and described main scale and slip chi are plug-in, form the tetragonal measured zone in right angle; Described range deflection fan connects main scale, aligns with flex point outside the right angle of main scale and form through hole in this position in the center of circle of range deflection fan, and two straight flanges of range deflection fan are connected with vertical blade is corresponding with the horizontal blade of main scale respectively; On the chi face being spliced to form at described range deflection fan and main scale, offer the circular gap of multiple tracks different-diameter, the circular gap described in multiple tracks forms concentric circles, and the center of circle of the center of circle and described range deflection fan coincides; On the chi face of described range deflection fan, along its arc-shaped edges, be provided with angle index line; On the chi face of main scale, along the horizontal blade of main scale and the inner side edge of vertical blade, be provided with for measuring the main scale mark of length, along the horizontal blade of main scale and the outer side edges of vertical blade, be provided with for identifying the inferior scale mark of radius, the total length of described scale mark equals the total length at main scale and range deflection fan splicing position.
Further, the horizontal blade of described main scale comprises two-layer up and down, two ends laminating, and middle part forms the narrow slit running through up and down, and as the horizontal slide of slip chi, the vertical blade of slip chi inserts described horizontal slide, and along continuous straight runs slides; The vertical blade of described main scale also comprises two-layer up and down, two ends laminating, and middle part forms the narrow slit that left and right is run through, and as the vertical slideway of slip chi, the horizontal blade of slip chi inserts described vertical slideway, vertically slides.
Preferably, in described narrow slit, be provided with for increasing the fibrage of friction factor.
Further again, the thickness of two ends of described slip chi is greater than the width of narrow slit, with anti-skidding chi and main scale, departs from.
In order conveniently to read length value, preferably, on the chi face of described slip chi, along the horizontal blade of slip chi and the inner side edge of vertical blade, also arrange for measuring the scale mark of length.
For the convenient angle line of drawing different angles, on the chi face of described range deflection fan, the position of corresponding each angle index line offers respectively a through hole.
Compared with prior art, advantage of the present utility model and good effect are: polymeter of the present utility model not only can substitute the survey instrument of current routine, the routine measurement task of the length of accomplish linear and angle angle, and the tetragonal measured zone in right angle of utilizing main scale in measuring instrument and slip chi to intersect to form, can also measure easily the size of orthogonal two diameters on circle, ellipse and other erose closed curves.For circular and oval, two perpendicular diameter that utilization is determined are positioning centre position easily, in conjunction with the center of circle of orienting, utilize range deflection fan in measuring instrument can also measure easily the central angle of any one section of camber line, simple to operate, easy to use, greatly shortened Measuring Time, improved work efficiency, and error is little, measuring accuracy is high.
Read by reference to the accompanying drawings after the detailed description of the utility model embodiment, other features of the present utility model and advantage will become clearer.
Accompanying drawing explanation
Fig. 1 is the front view of a kind of embodiment of the polymeter that proposes of the utility model;
Fig. 2 is the measuring method schematic diagram while utilizing polymeter shown in Fig. 1 to measure the size of irregular closed curve.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in more detail.
Shown in Figure 1, the polymeter of the present embodiment is mainly comprised of a main scale 1, a slip chi 2 and a range deflection fan 3.Wherein, described main scale 1 is try square, comprises vertical blade 1-1 and horizontal blade 1-2; Described slip chi 2 is also try square, comprises equally vertical blade 2-1 and horizontal blade 2-2.Described main scale 1 and slip chi 2 intersect plug-in, around forming the tetragonal measured zone A in right angle.Read for the convenience of the users the length of the measured object that is positioned at measured zone A, the relative dimensions such as width or diameter, the present embodiment is stamped separately and is useful on the main scale mark 1-3 that measures length along the horizontal blade 1-2 of main scale 1 and the inner side edge of vertical blade 1-1 on the chi face of main scale 1, when measurand is circular, during the closed curve of oval or other shapes, only described closed curve need be placed in measured zone A, mobile slip chi 2, the horizontal blade 2-2 of chi 2 and the laminating of the top of closed curve make to slide, the right side laminating of vertical blade 2-1 and closed curve, read scale corresponding on main scale 1, can obtain the length of orthogonal two diameters on this closed curve, operating process is simple, measuring accuracy is high.
Certainly, also can on the chi face of described slip chi 2, along the horizontal blade 2-2 of slip chi 2 and the inner side edge of vertical blade 2-1, also stamp and go up for measuring the scale mark of length simultaneously, as shown in Figure 1, to cater to different users's reading custom.
It is 270 ° fan-shaped that described range deflection fan 3 is central angle, and two angles that straightsided shape is in 90 ° of range deflection fan 3, just can fit with the right-angle side in main scale 1 outside.Specifically, flex point outside the right angle of the center of circle of range deflection fan 3 and main scale 1 can be alignd, and form through hole 3-1 in this position, form centre point O; Then by two straight flanges of range deflection fan 3 respectively with the horizontal blade 1-2 and corresponding the coupling together of vertical blade 1-1 of main scale 1, form integral structure.
Draw for the convenience of the users the circle of different-diameter, on the chi face that the present embodiment is spliced to form at described range deflection fan 3 and main scale 1, also offer the circular gap 3-2 of multiple tracks different-diameter, radius is as shown in Figure 1 the circular gap of 5mm, 10mm, 15mm and 20mm etc., circular gap 3-2 described in multiple tracks is formed to concentric circles, and the centre point O of the center of circle and described range deflection fan coincides.By carve the circular gap 3-2 of multiple tracks different-diameter on measuring instrument, when user need to draw 5mm, 10mm, 15mm or 20mm circular, only nib need be stretched into circular gap 3-2, along circular gap 3-2, draw a circle and can complete drawing, convenient and swift.In order to identify the radius of the corresponding circle of the circular gap 3-2 of per pass, the present embodiment is useful on the inferior scale mark 1-4 of sign radius along the horizontal blade 1-2 of main scale 1 and the stamp of the outer side edges of vertical blade 1-1, the total length of described scale mark 1-4 equals main scale 1 and splices the total length at positions with range deflection fan 3, take centre point O as starting point, along the inferior scale mark of horizontal blade 1-2 stamp horizontal direction, and length equals the radius of range deflection fan 3; Take centre point O as starting point, and along the inferior scale mark of vertical blade 1-1 stamp vertical direction, and length equals the radius of range deflection fan 3.
Measure for the convenience of the users the angle parameter of measurand, on the chi face of described range deflection fan 3 along its arc-shaped edges angle index line 3-3 that also stamped, as shown in Figure 1.On the chi face of described range deflection fan 3, the position of corresponding each angle index line 3-3 also offers respectively a through hole 3-4, when user need to draw the angle line of certain degree, only need find corresponding angle index line 3-3, an and point of starting to write in the through hole 3-4 corresponding with it and in the corresponding through hole 3-1 of centre point 0, remove measuring instrument, 2 lines, can draw out the angle line of required angle easily, very easy to use.
In order to realize 2 relative main scale 1 slips in the horizontal and vertical directions of slip chi, the present embodiment is designed to upper and lower two-layer structure by the horizontal blade 1-2 of main scale 1, by the two ends laminating of two-layer blade, middle part forms the narrow slit 1-5 running through up and down, the vertical blade 2-1 of slip chi 2 is inserted in described narrow slit 1-5, thus one, the vertical blade 2-1 of slip chi 2 can slide with horizontal direction along described narrow slit 1-5, and described narrow slit 1-5 forms the horizontal slide of slip chi 2.In like manner, the vertical blade 1-1 of main scale 1 is also designed to upper and lower two-layer structure, and by the two ends laminating of two-layer blade, middle part forms the narrow slit 1-6 that left and right is run through, the horizontal blade 2-2 of slip chi 2 is inserted in described narrow slit 1-6, thus one, the horizontal blade 2-2 of slip chi 2 can slide with vertical direction along described narrow slit 1-6, and described narrow slit 1-6 forms the vertical slideway of slip chi 2.
Certainly, described horizontal slide also can adopt the mode of directly cracking on main scale 1 to form with vertical slideway, and the present embodiment is not limited in above giving an example.
For fear of slip chi 2 from horizontal slide with vertical slideway, spin off, the thickness that the present embodiment designs two cephalic pars of described slip chi 2 is greater than the width of narrow slit 1-5,1-6, when the relative main scale 1 of slip chi 2 outwards slides into extreme position, the two ends that utilize narrow slit 1-5,1-6 to block slip chi 2, avoid itself and main scale 1 to depart from.
As a kind of preferred design of the present embodiment, in described narrow slit 1-5,1-6, fibrage can also be further set, to increase the friction factor of slip chi 2, the convenient location to slip chi 2.
The polymeter of the present embodiment preferably adopts transparent plastic to make.
Fig. 2 utilizes measuring instrument that the present embodiment proposes to measure the metering system schematic diagram of orthogonal two diameters on an irregular closed curve.Described closed curve is placed in measured zone A, and best the widest position is vertical or horizontal positioned, so that obtain the key parameter of this closed curve.By the horizontal blade 1-2 laminating of the low side of described closed curve and main scale 1, fit with the vertical blade 1-1 of main scale 1 in left side; Mobile slip chi 2, the horizontal blade 2-2 of chi 2 and the laminating of the top of closed curve make to slide, vertical blade 2-1 fits with the right side of closed curve, and the corresponding scale in position that slip chi 2 and main scale 1 intersect is the length of orthogonal two diameters on this closed curve.Four laminating points that utilize described closed curve to contact with main scale 1, slip chi 2, can draw out two orthogonal diameters, and as the dotted line in Fig. 2, the point of crossing of two diameters is the approximate centerpoint of described closed curve.Described closed curve is moved to range deflection fan 3, and the central point of closed curve and the centre point O of range deflection fan 3 are alignd, just can roughly measure thus any corresponding central angle of segmental arc on closed curve.
The polymeter that the present embodiment is proposed is applied in medical procedure, can measure easily the dimensional parameters of the irregularly shaped objects such as scleroma, tumour, compares traditional survey instrument, can greatly shorten Measuring Time, increases work efficiency.
Certainly; above-mentioned explanation is not to restriction of the present utility model; the utility model is also not limited in above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also should belong to protection domain of the present utility model.
Claims (6)
1. a polymeter, is characterized in that: comprise that a main scale, slip chi and central angle are the range deflection fan of 270 °; Described main scale and slip chi are try square, comprise respectively orthogonal horizontal blade and vertical blade, and described main scale and slip chi are plug-in, form the tetragonal measured zone in right angle; Described range deflection fan connects main scale, aligns with flex point outside the right angle of main scale and form through hole in this position in the center of circle of range deflection fan, and two straight flanges of range deflection fan are connected with vertical blade is corresponding with the horizontal blade of main scale respectively; On the chi face being spliced to form at described range deflection fan and main scale, offer the circular gap of multiple tracks different-diameter, the circular gap described in multiple tracks forms concentric circles, and the center of circle of the center of circle and described range deflection fan coincides; On the chi face of described range deflection fan, along its arc-shaped edges, be provided with angle index line; On the chi face of main scale, along the horizontal blade of main scale and the inner side edge of vertical blade, be provided with for measuring the main scale mark of length, along the horizontal blade of main scale and the outer side edges of vertical blade, be provided with for identifying the inferior scale mark of radius, the total length of described scale mark equals the total length at main scale and range deflection fan splicing position.
2. polymeter according to claim 1, it is characterized in that: the horizontal blade of described main scale comprises two-layer up and down, two ends laminating, middle part forms the narrow slit running through up and down, horizontal slide as slip chi, the vertical blade of slip chi inserts described horizontal slide, and along continuous straight runs slides; The vertical blade of described main scale also comprises two-layer up and down, two ends laminating, and middle part forms the narrow slit that left and right is run through, and as the vertical slideway of slip chi, the horizontal blade of slip chi inserts described vertical slideway, vertically slides.
3. polymeter according to claim 2, is characterized in that: in described narrow slit, be provided with for increasing the fibrage of friction factor.
4. polymeter according to claim 2, is characterized in that: the thickness of two ends of described slip chi is greater than the width of narrow slit.
5. polymeter according to claim 2, is characterized in that: on the chi face of described slip chi, along the horizontal blade of slip chi and the inner side edge of vertical blade, be provided with for measuring the scale mark of length.
6. according to the polymeter described in any one in claim 1 to 5, it is characterized in that: on the chi face of described range deflection fan, the position of corresponding each angle index line offers respectively a through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420233323.0U CN203798285U (en) | 2014-05-08 | 2014-05-08 | Multi-functional measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420233323.0U CN203798285U (en) | 2014-05-08 | 2014-05-08 | Multi-functional measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203798285U true CN203798285U (en) | 2014-08-27 |
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ID=51380490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420233323.0U Expired - Fee Related CN203798285U (en) | 2014-05-08 | 2014-05-08 | Multi-functional measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203798285U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105244824A (en) * | 2015-10-21 | 2016-01-13 | 江苏永钢集团有限公司 | Tool for manufacturing Z-shaped tray |
| CN108444457A (en) * | 2018-03-02 | 2018-08-24 | 广州文冲船厂有限责任公司 | A kind of hull measurement auxiliary mould |
| CN108489353A (en) * | 2018-01-24 | 2018-09-04 | 重庆文理学院 | A kind of multifunctional assembled measuring device |
-
2014
- 2014-05-08 CN CN201420233323.0U patent/CN203798285U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105244824A (en) * | 2015-10-21 | 2016-01-13 | 江苏永钢集团有限公司 | Tool for manufacturing Z-shaped tray |
| CN108489353A (en) * | 2018-01-24 | 2018-09-04 | 重庆文理学院 | A kind of multifunctional assembled measuring device |
| CN108444457A (en) * | 2018-03-02 | 2018-08-24 | 广州文冲船厂有限责任公司 | A kind of hull measurement auxiliary mould |
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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: 20140827 Termination date: 20150508 |
|
| EXPY | Termination of patent right or utility model |