CN112729040A - Angle ruler - Google Patents

Angle ruler Download PDF

Info

Publication number
CN112729040A
CN112729040A CN202110069392.7A CN202110069392A CN112729040A CN 112729040 A CN112729040 A CN 112729040A CN 202110069392 A CN202110069392 A CN 202110069392A CN 112729040 A CN112729040 A CN 112729040A
Authority
CN
China
Prior art keywords
angle
ruler
edge
hole
fixed
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.)
Pending
Application number
CN202110069392.7A
Other languages
Chinese (zh)
Inventor
余光明
谢来益
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202110069392.7A priority Critical patent/CN112729040A/en
Publication of CN112729040A publication Critical patent/CN112729040A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00Measuring instruments characterised by the use of mechanical techniques
    • G01B3/56Gauges for measuring angles or tapers, e.g. conical calipers
    • G01B3/563Protractors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L13/00Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)

Abstract

The utility model provides an angle ruler, includes fixed limit, fixed subassembly, counterpoint piece and chi main part, the counterpoint piece is installed in fixed edge, the chi main part is installed in fixed edge through fixed subassembly, the chi main part can rotate on fixed edge to carry out angular adjustment, be equipped with the positioning clearance on the fixed limit, the counterpoint piece adopts transparent material to make, is equipped with the counterpoint line of a dark color on the counterpoint piece, the chi main part includes ruler portion and angle square portion, the bottom edge of ruler portion is connected with the top edge of angle square portion, be equipped with the scale mark that is used for instructing the contained angle size and be used for instructing the digital mark of scale interval on the angle square portion, when the counterpoint line of counterpoint piece aligns with the 0 degree scale mark of angle square portion, the bottom surface on fixed limit is laminated with the upside edge of ruler portion mutually. The invention effectively improves the drawing and processing precision, has strong practicability and has stronger popularization significance.

Description

Angle ruler
Technical Field
The invention relates to measuring and drawing equipment, in particular to an angle ruler.
Background
The angle ruler is an indispensable tool in the industrial field, but at present, no matter China or Japan manufacture, because the angle of the current angle ruler is measured by two lines which are separately aligned by eyes, and the alignment lines are seen from different angles, the angle deviation is easily caused, so each master can tell you that the angle tolerance is between 0.02 and 0.05.
When the traditional angle ruler is used for drawing equal angles, the front and back or left and right equal angles must be adjusted twice, for example, an angle is adjusted first to draw a left angle, then the angle ruler is adjusted in reverse to draw the right angle, and the opposite angle is possibly unequal due to the tolerance described above, so that the angle deviation in subsequent processing is caused, and the processing precision is influenced.
Disclosure of Invention
In view of the above, it is necessary to provide an angle ruler to overcome the disadvantages of the prior art.
The utility model provides an angle ruler, includes fixed limit, fixed subassembly, counterpoint piece and chi main part, the counterpoint piece is installed in fixed edge, the chi main part is installed in fixed edge through fixed subassembly, the chi main part can rotate on fixed edge to carry out angular adjustment, be equipped with the positioning clearance on the fixed limit, the material of counterpoint piece is transparent material, is equipped with the counterpoint line of a dark color on the counterpoint piece, the chi main part includes ruler portion and angle ruler portion, the bottom edge of ruler portion is connected with the top edge of angle ruler portion, be equipped with the scale mark that is used for instructing the contained angle size and be used for instructing the digital mark of scale interval on the angle ruler portion, when the counterpoint line of counterpoint piece aligns with the scale mark of 0 degree of angle ruler portion, the bottom surface on fixed limit is laminated with the upside edge of ruler portion mutually.
Furthermore, the front side of the fixed edge is also provided with a mounting hole, the mounting hole is communicated with the positioning gap, and the alignment piece is arranged in the mounting hole.
Further, the positioning gap penetrates through the upper end face and the lower end face of the fixing edge in the vertical direction, and the positioning gap extends to the end face of one side of the fixing edge in the horizontal direction.
Furthermore, the fixing edge is provided with a fixing hole which penetrates through the front and the back, the fixing hole penetrates through the positioning gap, the angle square part is provided with a center hole, the fixing assembly comprises a locking nut, a locking screw rod and a gasket, the gasket of the fixing assembly is arranged on two sides of the angle square part, the angle square part and the gasket are clamped between the positioning gaps of the fixing edge, and the locking screw rod penetrates through the fixing hole of the fixing edge, the gasket and the center hole of the angle square part.
Further, the center of the hole opening of the central hole is on the same horizontal line with the 0-degree scale mark of the angle square part; and an extension line corresponding to the scale mark of 90 degrees of the angle scale part passes through the center of the hole of the central hole.
Furthermore, the ruler part is provided with scale marks for indicating the length of the straight line and digital marks for indicating scale values.
Furthermore, the straight rule part is also provided with a plurality of guide round holes which are distributed side by side.
Furthermore, the orifice of the round guide hole is arranged in an inverted triangle shape.
Further, the central axis of the hole of the pilot hole is aligned with one of the scale marks of the ruler part.
Furthermore, a plurality of pairs of positioning points are arranged on the angle square part, and an extension line formed by the center of the central hole and each pair of positioning points is aligned with a scale mark on the angle square part.
The invention has the beneficial effects that: through setting up fixed subassembly, counterpoint piece and chi main part, the chi main part can rotate on fixed edge to carry out angular adjustment, when carrying out angle drawing such as, the contained angle between fixed limit and the chi main part is fixed, makes it in follow-up contained angle drawing in-process, accomplishes between fixed limit and the chi main part, need not to carry out angular adjustment again, and the angle is unanimous around the realization, effectively improves the precision of drawing and processing, and the practicality is strong, has stronger popularization meaning.
Drawings
FIG. 1 is a front view of the inventive goniometer;
FIG. 2 is a schematic view of the angle ruler of FIG. 1 during angle drawing;
FIG. 3 is a perspective view of the bevel rule shown in FIG. 1;
fig. 4 is a rear view of the angle ruler shown in fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments.
As shown in fig. 1 to 4, the present invention provides an angle ruler, which includes a fixing edge 20, a fixing component, an alignment member 30 and a ruler main body 10, wherein the alignment member 30 is mounted on the fixing edge 20, the ruler main body 10 is mounted on the fixing edge 20 via the fixing component, and the ruler main body 10 can rotate on the fixing edge 20 for angle adjustment.
Fixed limit 20 wholly is the rectangle setting, be equipped with positioning gap 21 on the fixed limit 20 to positioning gap 21 runs through the upper and lower terminal surface on fixed limit 20 in vertical direction, and positioning gap 21 extends to the terminal surface on one side of the fixed limit 20 in the horizontal direction, the fixed orifices that runs through around being equipped with on the fixed limit 20 to the fixed orifices passes positioning gap 21. The front side of the fixing edge 20 is further provided with a mounting hole, the mounting hole is communicated with the positioning gap 21, the alignment piece 30 is arranged in the mounting hole, the alignment piece 30 is made of transparent materials, a user can observe the part of the ruler main body 10 corresponding to the alignment piece 30 through the alignment piece 30, and the alignment piece 30 is provided with a dark alignment line 31.
The ruler main body 10 comprises a ruler part 11 and an angle ruler part 12, the bottom edge of the angle ruler part 12 is connected with the top edge of the ruler part 11, and the ruler part 11 is provided with scale marks 111 for indicating the length of a straight line and digital marks 112 for indicating scale values. The angle ruler part 12 is provided with scale marks 121 for indicating the size of the included angle and digital marks 122 (0-180 degrees) for indicating scale values. The angle square part 12 is provided with a central hole, and the center of the hole of the central hole and the 0-degree scale mark of the angle square part 12 are on the same horizontal line. And an extension line corresponding to the 90-degree scale line of the angle rule part 12 passes through the orifice center of the central hole.
The fixing component comprises a locking nut 42, a locking screw rod 41 and a gasket, the gasket of the fixing component is arranged on two sides of the angle ruler part 12, the angle ruler part 12 and the gasket are clamped between the positioning gaps 21 of the fixing edge 20, the locking screw rod 41 penetrates through a fixing hole of the fixing edge 20, the gasket and a central hole of the angle ruler part 12, the locking nut 42 is fixedly connected with the end part of the locking screw rod 41 in a threaded manner so as to extrude the ruler main body 10 to be tightly matched, and the ruler main body 10 cannot rotate freely. The ruler body 10 is rotated so that the alignment line 31 of the alignment member 30 is aligned with the 0-degree scale line of the square portion 12, and at this time, the bottom surface of the fixed side 20 is brought into contact with the upper edge of the straight portion 11.
If two included angles a with equal angles need to be drawn, the fixing edge 20 or the ruler main body 10 is rotated to align the alignment line 31 on the alignment member 30 with the scale mark 121 corresponding to the angle ruler part 12, the locking nut 42 is tightened, the included angle B formed by the fixing edge 20 and the straight ruler part 11 is the included angle a, and after a first included angle is drawn on the workpiece, the fixing edge 20 or the ruler main body 10 is not adjusted to be rotated, and then the second included angle is drawn.
In addition, a plurality of circular guide holes 113 are further formed in the ruler portion 11, the circular guide holes 113 are distributed in parallel, the openings of the circular guide holes 113 are arranged in an inverted triangle, and the central axis of the opening of the circular guide hole 113 is aligned with one of the scale marks 111. When in use, a user can draw an arc line by taking the locking screw as an axis and the corner of the opening of the round guide hole 113 as an end point.
Preferably, the square portion 12 is further provided with a plurality of pairs of positioning points 123, an extension line formed by the center of the central hole and each pair of positioning points 123 is aligned with one scale mark 121 on the square portion 12, in this embodiment, the positioning points 123 are divided into two groups, and the two groups of positioning points 123 are alternately arranged along the arc direction of the square portion 12. In order to further ensure the measurement accuracy, the angle is determined to be the desired angle only when the alignment line 31 on the alignment member 30 is simultaneously aligned with the scale mark 121 and the alignment point 123 on the angle scale portion 12.
The invention has the beneficial effects that: through setting up fixed subassembly, counterpoint piece 30 and chi main part 10, chi main part 10 can rotate on fixed limit 20 to carry out angular adjustment, when waiting angle drawing, fix the contained angle between fixed limit 20 and the chi main part 10, make it accomplish between fixed limit 20 and the chi main part 10 at follow-up contained angle in-process of drawing, need not to carry out angular adjustment again, the angle is unanimous around the realization, effectively improve the precision of drawing and processing, therefore, the clothes hanger is strong in practicability, and has stronger popularization meaning.
The above-mentioned embodiments only express one embodiment of the invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the invention. Therefore, the protection scope of the invention patent should be subject to the appended claims.

Claims (10)

1. The utility model provides an angle ruler, its characterized in that, includes fixed limit, fixed subassembly, counterpoint piece and chi main part, the counterpoint piece is installed in fixed edge, the chi main part is installed in fixed edge through fixed subassembly, the chi main part can rotate on fixed edge to carry out angular adjustment, be equipped with the positioning clearance on the fixed limit, the material of counterpoint piece is transparent material, is equipped with the counterpoint line of a dark color on the counterpoint piece, the chi main part includes ruler portion and angle square portion, the bottom edge of ruler portion is connected with the top edge of angle square portion, be equipped with the scale mark that is used for instructing the contained angle size and be used for instructing the digital mark of scale value in the angle square portion, when the counterpoint line of counterpoint piece aligns with the scale mark of 0 degree of angle square portion, the bottom surface on fixed limit is laminated with the upside edge of ruler portion mutually.
2. The angle ruler of claim 1, wherein: the front side of the fixed edge is also provided with a mounting hole, the mounting hole is communicated with the positioning gap, and the alignment piece is arranged in the mounting hole.
3. The angle ruler of claim 1, wherein: the positioning gap penetrates through the upper end face and the lower end face of the fixed edge in the vertical direction, and the positioning gap extends to the end face of one side of the fixed edge in the horizontal direction.
4. The angle ruler of claim 1, wherein: the angle square fixing device is characterized in that a fixing hole which penetrates through the fixing edge in the front and back direction is formed in the fixing edge, the fixing hole penetrates through the positioning gap, a center hole is formed in the angle square portion, the fixing assembly comprises a locking nut, a locking screw and a gasket, the gasket of the fixing assembly is arranged on two sides of the angle square portion, the angle square portion and the gasket are clamped between the positioning gaps of the fixing edge, and the locking screw penetrates through the fixing hole of the fixing edge, the gasket and the center hole of the angle square portion.
5. The angle ruler of claim 4, wherein: the angle ruler part is also provided with a plurality of pairs of positioning points, and an extension line formed by the center hole of the central hole and each pair of positioning points is aligned with a scale mark on the angle ruler part.
6. The angle ruler of claim 4, wherein: the center of the hole opening of the central hole is on the same horizontal line with the 0-degree scale mark of the angle square part; and an extension line corresponding to the scale mark of 90 degrees of the angle scale part passes through the center of the hole of the central hole.
7. The angle ruler of claim 1, wherein: and the ruler part is provided with scale marks for indicating the length of the straight line and digital marks for indicating scale values.
8. The angle ruler of claim 1, wherein: the ruler part is also provided with a plurality of guide round holes which are distributed side by side.
9. The angle ruler of claim 8, wherein: the orifice of the guide round hole is arranged in an inverted triangle shape.
10. The angle ruler of claim 8, wherein: the central axis of the hole of the circular guide hole is aligned with one of the scale marks of the ruler part.
CN202110069392.7A 2021-01-19 2021-01-19 Angle ruler Pending CN112729040A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110069392.7A CN112729040A (en) 2021-01-19 2021-01-19 Angle ruler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110069392.7A CN112729040A (en) 2021-01-19 2021-01-19 Angle ruler

Publications (1)

Publication Number Publication Date
CN112729040A true CN112729040A (en) 2021-04-30

Family

ID=75592426

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110069392.7A Pending CN112729040A (en) 2021-01-19 2021-01-19 Angle ruler

Country Status (1)

Country Link
CN (1) CN112729040A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022193289A1 (en) * 2021-03-19 2022-09-22 余光明 Protractor

Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2102853U (en) * 1991-05-24 1992-04-29 崔勇 Multipurpose ruller
CN2149298Y (en) * 1993-04-07 1993-12-15 窦聿明 Composition type drawing angles ruler
CN2669137Y (en) * 2003-11-07 2005-01-05 韩敬宇 Angle square
CN2765790Y (en) * 2004-11-11 2006-03-22 刘格格 Multifunctional ruler
CN201047744Y (en) * 2007-06-19 2008-04-16 黄文裕 Multipurpose angle dividing machine
CN201105584Y (en) * 2007-08-03 2008-08-27 梁佛南 Novel multifunctional ruler set
CN201506164U (en) * 2009-09-14 2010-06-16 浙江科技学院 Angle measuring gauge
CN201913960U (en) * 2010-10-28 2011-08-03 贺希格达来 Combined bevel protractor
CN202071583U (en) * 2011-06-03 2011-12-14 温州市第八中学 Multifunctional angle measuring and arc drawing instrument
CN203100598U (en) * 2013-03-14 2013-07-31 刘时友 Multi-functional measuring tool
CN103786498A (en) * 2012-10-29 2014-05-14 南漳县实验小学 Ruler integrated protractor
CN204367708U (en) * 2015-01-26 2015-06-03 杭州金南工量具有限公司 Adjustable angle square
CN204936609U (en) * 2015-08-18 2016-01-06 杨光平 A kind of cable testing bridge slit-scores chi
CN108362192A (en) * 2018-02-08 2018-08-03 复旦大学附属中山医院 Arch of aorta Tangented position angle measuring scale and measurement method
CN209869859U (en) * 2019-04-22 2019-12-31 吉林省神州教育科技有限公司 Multifunctional teaching ruler
CN209996323U (en) * 2019-03-04 2020-01-31 刘帅 measuring ruler for rapidly measuring soft and hard tissue characteristics of lateral skull tablet
CN211764545U (en) * 2020-01-15 2020-10-27 张凤英 Multifunctional mathematic ruler
CN211855177U (en) * 2020-03-05 2020-11-03 青岛德泰建设工程有限公司 Building foundation detection device
CN211969015U (en) * 2020-03-27 2020-11-20 铜仁学院 Novel mathematics classroom teaching device
CN212253956U (en) * 2020-06-17 2020-12-29 王奕诺 Protractor capable of realizing rapid angulation

Patent Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2102853U (en) * 1991-05-24 1992-04-29 崔勇 Multipurpose ruller
CN2149298Y (en) * 1993-04-07 1993-12-15 窦聿明 Composition type drawing angles ruler
CN2669137Y (en) * 2003-11-07 2005-01-05 韩敬宇 Angle square
CN2765790Y (en) * 2004-11-11 2006-03-22 刘格格 Multifunctional ruler
CN201047744Y (en) * 2007-06-19 2008-04-16 黄文裕 Multipurpose angle dividing machine
CN201105584Y (en) * 2007-08-03 2008-08-27 梁佛南 Novel multifunctional ruler set
CN201506164U (en) * 2009-09-14 2010-06-16 浙江科技学院 Angle measuring gauge
CN201913960U (en) * 2010-10-28 2011-08-03 贺希格达来 Combined bevel protractor
CN202071583U (en) * 2011-06-03 2011-12-14 温州市第八中学 Multifunctional angle measuring and arc drawing instrument
CN103786498A (en) * 2012-10-29 2014-05-14 南漳县实验小学 Ruler integrated protractor
CN203100598U (en) * 2013-03-14 2013-07-31 刘时友 Multi-functional measuring tool
CN204367708U (en) * 2015-01-26 2015-06-03 杭州金南工量具有限公司 Adjustable angle square
CN204936609U (en) * 2015-08-18 2016-01-06 杨光平 A kind of cable testing bridge slit-scores chi
CN108362192A (en) * 2018-02-08 2018-08-03 复旦大学附属中山医院 Arch of aorta Tangented position angle measuring scale and measurement method
CN209996323U (en) * 2019-03-04 2020-01-31 刘帅 measuring ruler for rapidly measuring soft and hard tissue characteristics of lateral skull tablet
CN209869859U (en) * 2019-04-22 2019-12-31 吉林省神州教育科技有限公司 Multifunctional teaching ruler
CN211764545U (en) * 2020-01-15 2020-10-27 张凤英 Multifunctional mathematic ruler
CN211855177U (en) * 2020-03-05 2020-11-03 青岛德泰建设工程有限公司 Building foundation detection device
CN211969015U (en) * 2020-03-27 2020-11-20 铜仁学院 Novel mathematics classroom teaching device
CN212253956U (en) * 2020-06-17 2020-12-29 王奕诺 Protractor capable of realizing rapid angulation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022193289A1 (en) * 2021-03-19 2022-09-22 余光明 Protractor

Similar Documents

Publication Publication Date Title
CN112729040A (en) Angle ruler
CN214950961U (en) Angle ruler
US2315458A (en) Work guide for saw tables
CN107101611B (en) Angle measuring device and angle adjusting method
CN204924107U (en) Tailor uses dipperstick
CN216523498U (en) Angle gauge
CN211373389U (en) Angle measuring scale
WO2022193289A1 (en) Protractor
US1593753A (en) Micrometer caliper
KR20220131873A (en) Apparatus for measuring the inner diameter and outer diameter of circles and engraving using contact points
CN207036031U (en) Groove profile knife edge angle square
US3170242A (en) Micrometer tool setting gage
CN209763916U (en) Measuring device for edge processing amount
CN109631709B (en) Measuring device for planar design convenient to carry
CN207407775U (en) A kind of engine base seam allowance cubing
CN110586750A (en) Punching positioning device and application thereof
CN213455224U (en) Height gauge for detecting height of hole
CN210968090U (en) Angle positioner for clamp
CN208075710U (en) A kind of cylindrical product measurement special fixture
CN213082777U (en) Convenient drawing device for mechanical design
CN108168399B (en) Hole diameter and hole position measurer
CN211120901U (en) Special-shaped centre distance dial caliper
CN210464248U (en) But machining is with angle regulation chi
CN211617228U (en) Multipurpose angle measuring ruler
CN208872192U (en) A kind of simple laser is carved characters measuring tool

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination