CN2220948Y  Angle square  Google Patents
Angle square Download PDFInfo
 Publication number
 CN2220948Y CN2220948Y CN 94212329 CN94212329U CN2220948Y CN 2220948 Y CN2220948 Y CN 2220948Y CN 94212329 CN94212329 CN 94212329 CN 94212329 U CN94212329 U CN 94212329U CN 2220948 Y CN2220948 Y CN 2220948Y
 Authority
 CN
 China
 Prior art keywords
 circle
 angle
 square
 ruler
 graphometer
 Prior art date
 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
 Expired  Fee Related
Links
 210000000282 Nails Anatomy 0.000 claims abstract description 25
 238000003475 lamination Methods 0.000 claims description 5
 230000015572 biosynthetic process Effects 0.000 claims 1
 238000005755 formation reaction Methods 0.000 claims 1
 229910000831 Steel Inorganic materials 0.000 description 4
 239000010959 steel Substances 0.000 description 4
 238000005553 drilling Methods 0.000 description 2
 230000002950 deficient Effects 0.000 description 1
 238000010586 diagram Methods 0.000 description 1
 238000005516 engineering process Methods 0.000 description 1
 230000002349 favourable Effects 0.000 description 1
Abstract
The utility model relates to an angle square, belonging to a multifunctional drawing square. The utility model solves the problems of multipiece and cockamamie use of the existing drawing square. The utility model is divided into two structures of an equilateral angle square and a Tshaped angle square, and is characterized in that the angle square is a double square structure that collects angle indication and same angle square shape to one square. An angle figure can be drawn by onestep, and the angle square also has the functions circle drawing, dividing, circle division and positioning. As an attached drawing 1 disclosed, an equilateral angle square forms a body which is composed of a Pshaped graphometer straight square (1) arranged at the upper part and a pointer straight square (2) arranged at the lower part, and shaft nails (3) are used for connection. A rotation square (1) and a square (2) form an included angle in < 1 DEG< 165 degerees, and the figure within the range angle figure can be drawn along the square edge of the angle shape. The center of a circle nail (4) and a radius hole (5) are arranged for drawing the circle. An indication wire groove (6), a dividing bisectrix groove (7), even gradation (8) and angle index (9) are provided, and the indexing and the division of a circle can be conducted.
Description
The utility model relates to cover multifunctional drawing ruler, promptly equilateral bevel protractor and a T type bevel protractor.Equilateral bevel protractor is used for branch figures such as picture angle, circle, calibration, circle; T type bevel protractor is used for the long arm of angle of picture angle, great circle, multiangle parallel lines and multiangle location.
Draw and use set square, graphometer, Tsquare, ruler etc. usually, number of packages is many, use is loaded down with trivial details.Though stateoftheart technology has had computercontrolled draught machine, do middle school student draught machine such as figure popularize less than the place still stayed and used the zone to drawing rule.Improve the existing many achievements of drawing rule, Chinese patent CN 88218419.9 Bekaa isographs are exactly an example, it collect draw parallel lines, justify, angle measuring function is in a chi, but the picture angle still needs multistep to finish.
The purpose of this utility model be to simplify existing with the drawing rule number of packages, widen former function, improve plotting speed, provide more a cover one chi is used, is easy to carry, novel drawing rule easy to use.
The purpose of this utility model is achieved in that total design Ji Jiao indication and becomes with angle square shape in a chi, functional structure is set reaches a chi and use more; Main structure adopts graphometer to pass at pointer axis hole and graphometer central hole lamination with ruler one, pointer and other ruler one, with the axle nail and connects and composes, and realization change two ruler angles to pointer indicates the required angle index of graphometer, one go on foot picture angle function along angular shape ruler limit.Putting graphometer by total design becomes P shape one last in the ruler upper left side, putting pointer is descending in other ruler upper left side one, pass at pointer axis hole and graphometer central hole lamination with axle nail and to connect and compose equilateral bevel protractor main body, change ruler angle to pointer and aim at required angle index, realize along one step of the angular shape ruler limit required angle graphing capability in 165 ° of scopes of 1 °～∠ of ∠ that draws; Overlapping the axle nail centredrilling hole dress center of circle nail in the graphometer center of circle, on band graphometer ruler, bore several radius holes apart from center of circle different distance, on the other hand by center of circle nail, hand is write to put and is promoted 360 ° of chi body rotations in the required radius of the nib hole in addition, promptly realizes picture circle function; Establish round evenly divided below the graphometer angle index, establishing the indication wire casing on 0 ° of graduation mark right side of ∠ on the graphometer diameter line, overlapping branch wire casings such as establishing calibration on the graphometer diameter extended line on the graphometer ruler, after the wire casing of left side indication is earlier drawn index line, pin center of circle nail and rotate graphometer ruler to index line and aim at required angle index or circle evenly divided, can draw reticule or circle bisector at branch wire casings such as calibration, realize branch functions such as calibration, circle; Fix one at the pointer middle part and protrude steel ball, at 150 ° of radius of 135 ° of 120 ° of 90 ° of 60 ° of 45 ° of 30 ° of graphometer ∠, ∠, ∠, ∠, ∠, ∠, ∠ and seven spherical recesses of steel ball arching trajectory intersection point processing, rotary ruler body to steel ball falls into nest can realize that diagonal angle, abovementioned angle is fast, angle stable; Establishing 120 ° of twoway framed these weak point arm of angle angles that can make things convenient for of 90 ° of 60 ° of ∠, ∠, ∠ on the pointer ruler draws.Putting graphometer by total design becomes a shape one following in the short ruler middle part, put pointer in the middle of the long ruler left end one last, pass at pointer axis hole and graphometer central hole lamination with axle nail and to connect and compose T type bevel protractor main body, change two ruler angle to pointers and aim at required angle index, realize along one step of the angular shape ruler limit required long arm of angle angle function in 150 ° of scopes of 30 °～∠ of ∠ of drawing; Overlapping the axle nail centredrilling hole dress center of circle nail in the graphometer center of circle, different apart from the center of circle on the pointer ruler apart from boring several radius holes, on the other hand by center of circle nail, hand is write and is put nib and promotes the chi body rotate 360 ° in required radius hole in addition, can realize one meter great circle function with inside radius of picture; The short ruler inner side edge is leaned against the drawing edges of boards, can realize 150 ° of multiangle location of 30 °～∠ of ∠; Move short ruler along the figure edges of boards, can realize along long ruler limit picture multiangle parallel lines function; Bore a hole and wear staple in the middle of the graphometer center of circle and 90 ° of scales of ∠, staple passes on the pointer ruler again and tightens to keep two ruler angles stable with pressure cap behind the deepslotted chip breaker.
The utility model because of Ji Jiao indication with becomes with angle square shape in a chi, become that dihedral is accurate, dihedral is many, be 41 times of a cover set square, widened the scope at a step picture angle, the tip of having avoided going on foot the picture angle with set square one is out of shape; Place graphometer the ruler upper left side to become P shape one to be used for calibration, circle five equilibrium, widened the diameter range of reference circle, Equal round, be easy to carry again than the half method materialsaving that increases the graphometer diameter; Equilateral bevel protractor collects division multifunctionals such as picture angle, circle, calibration, circle in a chi, can satisfy middle school student to make the figure needs, easy to carryly helps to inspire student's innovative thinking again; T type bevel protractor has changed the fixed angle structure of Tsquare, becomes single angle orientation and is the multiangle location, and change can only be drawn 90 ° of angles of ∠ into drawing 150 ° of angles of 30 °～∠ of ∠, increases the deficiency that picture great circle function has remedied drawing instrument again.Supporting drafting engineering drawing of equilateral bevel protractor and T type bevel protractor and control chart, division multifunctional such as calibration, circle is in a chi, can satisfy middle school student and make the figure needs, the heuristics degree location that helps again easy to carry, change can only be drawn 90 ° of angles of ∠ into drawing 150 ° of angles of 30 °～∠ of ∠, increases the deficiency that picture great circle function has remedied drawing instrument again.Supporting drafting engineering drawing of equilateral bevel protractor and T type bevel protractor and control chart, division multifunctionals such as calibration, circle can satisfy middle school student and make the figure needs in a chi, easy to carryly help to inspire student's innovative thinking again; T type bevel protractor has changed the fixed angle structure of Tsquare, becomes single angle orientation and is the multiangle location, and change can only be drawn 90 ° of angles of ∠ into drawing 150 ° of angles of 30 °～∠ of ∠, increases the deficiency that picture great circle function has remedied drawing instrument again.Supporting drafting engineering drawing of equilateral bevel protractor and T type bevel protractor and control chart can improve drawing quality and speed than set square, graphometer, Tsquare, ruler.
Concrete structure of the present utility model is provided by following examples and accompanying drawing thereof: equilateral bevel protractor as shown in Figure 1 by P shape graphometer ruler (1) last, pointer ruler (2) down, follow closely (3) with axle and pass at pointer axis hole and semicircle circle center hole place lamination and connect and compose main body; Rotary ruler (1) can form 165 ° of angles of 1 °～∠ of ∠ with chi (2), and abovementioned scope angle figure can draw along angular shape chi limit; If circle can be drawn in the center of circle nail (4), radius hole (5); If branch wire casing (7), evenly divided (8), angle index (9) such as indication wire casing (6), calibration can be carried out calibration, five equilibrium to circle; If spherical nest (10), steel ball (11) can make the angle diagonal angle commonly used of spherical nest correspondence fast, angle stable; If twoway framed (12), (13), (14) can make things convenient for the drafting at 120 ° of short arm of angle angles of 90 ° of 60 ° of ∠, ∠, ∠.T type bevel protractor as shown in Figure 2 by graphometer short ruler (1) down, pointer long ruler (2) last, pass in pointer axis hole and graphometer central hole and connect and compose main body with spool following closely (3), rotary ruler (2) can form 150 ° of angles of 30 °～∠ of ∠ with chi (1), and abovementioned angle figure can draw along angular shape chi limit; If great circle can be drawn in nail (4) radius hole, the center of circle (5); If clench nail (6) can keep angle stable; The short ruler inner side edge is leaned against the figure edges of boards can realize 150 ° of multiangle location of 30 °～∠ of long ruler ∠; The short ruler inner side edge is leaned against the running fix of figure edges of boards, can draw the multiangle parallel lines along the long ruler limit.Fig. 3 is the graduated scale schematic diagram that equilateral bevel protractor derives from: its structure and equilateral bevel protractor part graphometer ruler (1) are similar, just center of circle nail (2) directly are fixed on the graduated scale, are used for circular division, five equilibrium is more convenient.Bevel protractor specification such as subordinate list:
Structure type  Specification  One arm of angle is long  The arm of angle is long in addition  Draw circle φ max  The angle excursion 
Equilateral bevel protractor  7cm  7cm  7cm  φ14cm  ∠1°～∠165° 
14cm  14cm  14cm  φ28cm  ∠1°～∠165°  
28cm  28cm  28cm  φ56cm  ∠1°～∠165°  
T type bevel protractor  60cm  6cm  60cm  φ120cm  ∠30°～∠150° 
90cm  10cm  90cm  φ180cm  ∠30°～∠150°  
120cm  14cm  120cm  φ240cm  ∠30°～∠150° 
Realize the function of bevel protractor: two chi structures are better than single chi structure, can directly constitute hundreds of angular shape chis limit, overcome that the set square dihedral is few, graphometer is drawn the many defectives of angle step; Pointer scale structure makes the angle indication more directly perceived, favourable minimizing error; It is fixedly connected better than Tsquare that T type bevel protractor two rulers are dynamically connected, and widened the onetenth angular region, increased function of use.
Claims (3)
1. a bevel protractor collects indication and becomes with angle square shape in a chi, it is characterized in that wearing axle nail with band pointer ruler at graphometer circle center hole and pointer axis hole place lamination by band graphometer ruler connects and composes: put graphometer and become P shape one in the ruler upper left side last, putting pointer is integral in other ruler upper left side following, connect and compose equilateral bevel protractor with the axle nail, changing two ruler angles can indicate 165 ° of required angle square types of formation 1 °∠ of ∠ to be used for the picture angle, if circle can be drawn in center of circle nail, radius hole, but establish indication wire casing, calibration wire casing calibration; Put graphometer become in short ruler middle part a shape one down, put pointer and be integral last in the long ruler left end, connect and compose T type bevel protractor with the axle nail, change two ruler angles and can indicate and form 150 ° of required angle square shapes of 30 °∠ of ∠ and be used for the picture angle, establish center of circle nail, circle can be drawn in the radius hole.
2. bevel protractor according to claim 1, it is characterized in that establishing center of circle nail, circle can be drawn in the radius hole, center of circle nail is to be contained in the hole of the axle nail centre drill that overlaps the graphometer center of circle, and the radius hole is several holes of boring apart from nail different distance place, the center of circle on ruler, can draw the circle of several different radiis.
3. bevel protractor according to claim 1, it is characterized in that but equilateral bevel protractor establishes indication wire casing, calibration wire casing calibration, the indication wire casing is located at 0 ° of graduation mark right side of ∠ on the graphometer diameter line of P shape graphometer ruler, the calibration wire casing is located on the P shape graphometer ruler upper semicircle instrument diameter extended line, can indicate 180 ° of reticules of 1 °∠ of picture ∠.
Priority Applications (1)
Application Number  Priority Date  Filing Date  Title 

CN 94212329 CN2220948Y (en)  19940529  19940529  Angle square 
Applications Claiming Priority (1)
Application Number  Priority Date  Filing Date  Title 

CN 94212329 CN2220948Y (en)  19940529  19940529  Angle square 
Publications (1)
Publication Number  Publication Date 

CN2220948Y true CN2220948Y (en)  19960228 
Family
ID=33829219
Family Applications (1)
Application Number  Title  Priority Date  Filing Date 

CN 94212329 Expired  Fee Related CN2220948Y (en)  19940529  19940529  Angle square 
Country Status (1)
Country  Link 

CN (1)  CN2220948Y (en) 
Cited By (4)
Publication number  Priority date  Publication date  Assignee  Title 

CN103612527A (en) *  20131222  20140305  张若玮  Specialpurpose multifunctional ruler for teaching 
CN104742606A (en) *  20150317  20150701  张懿孜  Multifunctional combined ruler 
CN107284086A (en) *  20170719  20171024  郑金风  A kind of teaching aid semicircle ruler 
CN107976141A (en) *  20171122  20180501  中冶天工集团有限公司  A kind of bevel protractor and its application method for the control of component angle 

1994
 19940529 CN CN 94212329 patent/CN2220948Y/en not_active Expired  Fee Related
Cited By (5)
Publication number  Priority date  Publication date  Assignee  Title 

CN103612527A (en) *  20131222  20140305  张若玮  Specialpurpose multifunctional ruler for teaching 
CN103612527B (en) *  20131222  20160120  张若玮  Education specialpurpose multifunctional ruler 
CN104742606A (en) *  20150317  20150701  张懿孜  Multifunctional combined ruler 
CN107284086A (en) *  20170719  20171024  郑金风  A kind of teaching aid semicircle ruler 
CN107976141A (en) *  20171122  20180501  中冶天工集团有限公司  A kind of bevel protractor and its application method for the control of component angle 
Similar Documents
Publication  Publication Date  Title 

CN204322840U (en)  Multifunctional ruler  
CN2220948Y (en)  Angle square  
CN207274230U (en)  A kind of Multifunctional pen compass  
CN201034523Y (en)  Compasses capable of measuring and drafting certain angle  
CN101284473A (en)  Multifunctional ruler for drafting  
CN2293793Y (en)  Vernier protractor  
CN2472966Y (en)  Square rule  
CN211195619U (en)  Multifunctional marking protractor  
CN209794997U (en)  multifunctional drawing ruler  
CN211075296U (en)  Multifunctional pen  
CN208432185U (en)  A kind of mechanoelectronic R & D design apparatus  
CN209600121U (en)  A kind of student's bevel protractor  
CN2286679Y (en)  Multipurpose drawing board  
CN208324681U (en)  The dedicated drawing ruler of middle school student  
CN201291684Y (en)  Geometry coordinate machine  
CN213322405U (en)  Multipurpose ruler for teaching  
CN208646441U (en)  A kind of student's multifunctional unit ruler  
CN209022657U (en)  A kind of ruler for primary mathematics  
CN2785876Y (en)  Multifunctional ruler  
CN215662689U (en)  Multifunctional inknonsticking ruler  
CN207617391U (en)  A kind of multifucntion combined ruler  
CN2527453Y (en)  Multifunctional mapper  
CN205553699U (en)  Multifunctional ruler  
CN2592394Y (en)  Pencil with length rule and angle rule  
CN2074246U (en)  Multifunctional drawing ruler 
Legal Events
Date  Code  Title  Description 

C57  Notification of unclear or unknown address  
DD01  Delivery of document by public notice 
Addressee: Lv Zhi Document name: Notification of acceptance 

C14  Grant of patent or utility model  
GR01  Patent grant  
C19  Lapse of patent right due to nonpayment of the annual fee  
CF01  Termination of patent right due to nonpayment of annual fee 