CN201456764U - Multifunctional teaching ruler - Google Patents
Multifunctional teaching ruler Download PDFInfo
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- CN201456764U CN201456764U CN2009200941847U CN200920094184U CN201456764U CN 201456764 U CN201456764 U CN 201456764U CN 2009200941847 U CN2009200941847 U CN 2009200941847U CN 200920094184 U CN200920094184 U CN 200920094184U CN 201456764 U CN201456764 U CN 201456764U
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Abstract
The utility model discloses a multifunctional teaching ruler, which comprises a ruler and a semicircular protractor arranged on the ruler. The ruler is provided with a square box handle, a bubble vertical level, a bubble horizontal level, a triangular ruler device, a compass device and an ellipse drawing device, wherein the triangular ruler device comprises a triangular ruler groove, a telescopic left side and a telescopic right side of the triangular ruler, the telescopic left side and the telescopic right side of the triangular ruler are arranged in the triangular ruler groove, the compass device comprises a compass absorption disc fixing seat, a compass absorption disc and compass rotating legs, wherein the compass rotating legs are arranged in a compass rotating leg grove on the ruler, the ellipse drawing device comprises a left focus fixing device, a right focus fixing device, an ellipse drawing line and an elliptical curve drawing device, wherein the left focus fixing device and the right focus fixing device are respectively arranged in a left focus sliding groove and a right focus sliding groove. The utility model has the advantages of simple structure and convenient use, and integrates the functions of the ruler, the leveling rod, the protractor, the vertical ruler, the T-type ruler, the 30-degree triangular ruler, the 45-degree triangular ruler, the right-angle triangular ruler, the compass and the ellipse drawing device.
Description
Technical field
The utility model relates to a kind of teaching aid, is specifically related to a kind of multifunctional teaching gauge.
Background technology
In teaching, ruler, horizon rule, angle square, miter square, T square, 30 degree drawing squares, 45 degree drawing squares, compasses, ellipsograph are the educational aids of using always, these educational aids are special chi special uses, function singleness, and the teacher upward often carries several chi tools with the demand of chi simultaneously in order to satisfy teaching, not only carry inconvenience, and use very trouble, and unit must spend more funds to remove to purchase different chi tools with rule, and the storage and managenent of these chi tools also is nerve-wracking problem.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and provides a kind of simple in structure, and is easy to use, the collection ruler, horizon rule, angle square, miter square, T square, 30 degree, 45 degree drawing squares, compasses are drawn the ellipsograph function in the multifunctional teaching gauge of one.
The purpose of this utility model is achieved in that
It comprises ruler, the downside of wherein said ruler one end is provided with semicircle protractor, the middle part of ruler is provided with square box body handle, ruler between protractor and the square box body handle is provided with the gentle soaked flat spirit level of the vertical spirit level of bubble, also be provided with the set square device on the described ruler, compasses device and draw oval device, described set square device is located in the set square groove that is provided with on the ruler, the set square device comprises the set square left side and set square the right that size is identical, one end on the set square left side and set square the right is hinged on respectively in the set square groove, be respectively equipped with left lever and right pull bar in the other end on the set square left side and set square the right, be respectively equipped with tenon and tongue-and-groove on the other end of described left lever and right pull bar, be respectively equipped with magnetite on described tenon and the tongue-and-groove and inhale iron, be respectively equipped with left spring and right spring between the set square left side and set square the right and the set square groove inner bottom surface, be provided with folding shape maintenance sheet between tenon and the tongue-and-groove, the maintenance sheet is fixed on the interior trailing flank of set square groove, leading flank in the set square groove is provided with linear draw-in groove, linear draw-in groove is provided with left clip and right clip, left side clip is made up of the outer clip of a clip in the left side and a left side, be provided with left disjunctor between the outer clip of a clip and a left side in the left side, right clip is made up of clip in right and right outer clip, be provided with right disjunctor between clip and the right outer clip in right, left side disjunctor and right disjunctor are located at respectively in the linear draw-in groove, be provided with the connection spring between clip and the right interior clip in the left side, be respectively equipped with semi-circular left stuck point and right stuck point on clip and the right interior clip in the left side, be respectively equipped with semi-circular left draw-in groove and right draw-in groove on described left lever and the tongue-and-groove, described left stuck point and right stuck point are located at respectively in left draw-in groove and the right draw-in groove, and described left lever and right pull bar are elastic draw bar;
Described compasses device comprises the compasses sucker holder that is located on the ruler right part, compasses sucker and compasses change leg, be provided with circular groove in the described compasses sucker holder, be provided with the spheroid connector between circular groove and the compasses sucker, the compasses that described compasses commentaries on classics leg is located at the ruler downside change in the leg groove, one end of compasses commentaries on classics leg is hinged in the compasses commentaries on classics leg groove and is provided with fixed screw between compasses commentaries on classics leg and the ruler, the other end that compasses change leg is provided with the chalk folder tube that can put chalk, chalk folder tube is provided with chalk folder tube and tightens circle, also be provided with stuck point on the described compasses commentaries on classics leg, stuck point is provided with buckle on compasses commentaries on classics leg groove;
The oval device of described picture comprises left focus sliding tray and the right focus sliding tray that is located on the ruler, be respectively equipped with left focus handling hole and right focus handling hole on left focus sliding tray and the right focus sliding tray, also be provided with left focus fixator and right focus fixator on left focus sliding tray and the right focus sliding tray, be provided with the oval line of using of picture between left focus fixator and the right focus fixator, be provided with picture elliptic curve device at the picture ellipse between left focus fixator and the right focus fixator on line, draw the elliptic curve device and comprise the chalk clamping bar, be located at the clamping bar tight loop on the chalk clamping bar, the connecting rod that is connected with on the clamping bar tight loop is provided with runner, runner is provided with the oval line of using of picture, described left focus fixator is identical with right focus fixator size structure, the left focus fixator comprises fixed screw, the bottom of fixed screw is a retention pin, the upper end of fixed screw is the elasticity tension disk, fixed screw between retention pin and the elasticity tension disk is provided with the butterfly hold-down nut, and described picture ellipse is located on the elasticity tension disk with line.
Described elasticity tension disk comprises fixed cylinder, fixed cylinder is located on the fixed screw upper end, be provided with interior fixed body in the fixed cylinder, be provided with the pressure body between fixed cylinder and the interior fixed body, be provided with spring between the inner bottom surface of pressure body and fixed cylinder, the end of the pressure body of close spring is provided with snap ring, and snap ring is located at fixing the card in the body of annular that fixed cylinder is provided with, be respectively equipped with outer perforation and interior perforation on described pressure body and the interior fixed body, outer perforation and interior perforation are provided with picture ellipse line.
Described elastic draw bar comprises that the cross section is the framework of day font, be respectively equipped with kerve and following kerve on the middle part, top and bottom of framework, described go up is respectively equipped with I-shaped going up and presses body and press down body on kerve and the following kerve, on press body and press down body and framework top and following between be respectively equipped with pressing spring and following pressing spring.
Described ruler upper end is provided with length scale markings; Described protractor is provided with the angle index markings; Be respectively equipped with the angle index line on described left lever and the right pull bar; Described left focus sliding tray is provided with elliptic focus range marker line.
Be provided with connecting rod between described square box body handle and the ruler, square box body handle is also to be provided with loam cake on hollow box body and its, can deposit the chi part in this box body.
Because adopt technique scheme, the multifunctional teaching gauge that the utility model provides has following advantage: simple in structure, easy to use, effectively ruler, horizon rule, angle square, miter square, T square, 30 degree, 45 degree drawing squares, compasses are drawn the ellipsograph function among one, not only solve the problem of multiple chi tool storage and managenent inconvenience, and saved the funds of purchasing multiple chi tool.
Description of drawings;
Fig. 1 is a perspective view of the present utility model;
Perspective view when Fig. 2 is the utility model picture ellipse;
Fig. 3 is that the utility model is 30 degree, the structural representation of 60 degree during right angled triangles;
Fig. 4 is that the utility model is the structural representations of 45 degree during right angled triangles;
Fig. 5 is the structural representation of the utility model when being T square;
Fig. 6 is the structural representation of the utility model when being compasses;
Fig. 7 is the spheroid connector in the utility model and the structure for amplifying schematic diagram of compasses sucker;
Fig. 8 is the structure for amplifying schematic diagram of the picture elliptic curve device in the utility model;
Fig. 9 is the structure for amplifying schematic diagram of the left focus fixator in the utility model;
Figure 10 be in the utility model the elasticity tension disk analyse and observe the structure for amplifying schematic diagram;
Figure 11 is the decomposition structure for amplifying schematic diagram of the elasticity tension disk in the utility model;
Establish the local structure for amplifying schematic diagram of the set square groove of maintenance sheet in Figure 12 the utility model;
Figure 13 is the decomposition structure for amplifying schematic diagram of the elastic draw bar in the utility model.
In Fig. 1 to Figure 13,1, ruler, 2, protractor, 3, square box body handle, 4, the vertical spirit level of bubble, 5, the bubble level spirit level, 6, the set square groove, 7, the set square left side, 8, set square the right, 9, left lever, 10, right pull bar, 11, tenon, 12, tongue-and-groove, 13, magnetite, 14, inhale iron, 15, left spring, 16, right spring, 17, the maintenance sheet, 18 draw-in grooves, 19, clip in the left side, 20, the outer clip in a left side, 21, left side disjunctor, 22, clip in right, 23, right outer clip, 24, right disjunctor, 25, connect spring, 26, left side stuck point, 27, right stuck point, 28, left side draw-in groove, 29, right draw-in groove, 30, compasses sucker holder, 31, the compasses sucker, 32, compasses change leg, 33, circular groove, 34, the spheroid connector, 35, compasses change leg groove, 36, fixed screw, 37, chalk folder tube, 38, chalk folder tube tightens circle, 39, stuck point, 40, buckle, 41, the left focus sliding tray, 42, the right focus sliding tray, 43, the left focus handling hole, 44, the right focus handling hole, 45, the left focus fixator, 46, the right focus fixator, 47, draw the oval line of using, 48, draw the elliptic curve device, 49, the chalk clamping bar, 50, the clamping bar tight loop, 51, connecting rod, 52, runner, 53, fixed screw, 54, retention pin, 55, the elasticity tension disk, 56, the butterfly hold-down nut, 57, fixed cylinder, 58, interior fixed body, 59, press body, 60, spring, 61, snap ring, 62, the fixing card of annular body, 63, outer perforation, 64, interior perforation, 65, framework, 66, last kerve, 67, following kerve, 68, last pressure body, 69, press down body, 70, last pressing spring, 71, following pressing spring, 72, length scale markings, 73, the angle index markings, 74, the angle index line, 75, elliptic focus range marker line, 76, connecting rod, 77, loam cake, 78, chalk.
The specific embodiment
As shown in figure 1 to figure 13, the multifunctional teaching gauge that the utility model provides, comprise ruler 1, the downside of described ruler 1 one ends is provided with semicircle protractor 2, the middle part of ruler 1 is provided with square box body handle 3, ruler 1 between protractor 2 and the square box body handle 3 is provided with the vertical spirit level 4 gentle soaked flat spirit levels 5 of bubble, also be provided with the set square device on the described ruler 1, compasses device and draw oval device, described set square device is located in the set square groove 6 that ruler 1 upper end is provided with, the set square device comprises the set square left side 7 and set square the right 8 that size is identical, one end on the set square left side 7 and set square the right 8 is hinged on respectively in the set square groove 6, be respectively equipped with left lever 9 and right pull bar 10 in the other end on the set square left side 7 and set square the right 8, be respectively equipped with tenon 11 and tongue-and-groove 12 on the other end of described left lever 9 and right pull bar 10, be respectively equipped with magnetite 13 on described tenon 11 and the tongue-and-groove 12 and inhale iron 14, be respectively equipped with left spring 15 and right spring 16 between the set square left side 7 and set square the right 8 and set square groove 6 inner bottom surfaces, be provided with folding shape maintenance sheet 17 between tenon 11 and the tongue-and-groove 12, maintenance sheet 17 is fixed on the trailing flank in the set square groove 6, leading flank in the set square groove 6 is provided with linear draw-in groove 18, linear draw-in groove 18 is provided with left clip and right clip, left side clip is made up of the outer clip 20 of a clip 19 in the left side and a left side, be provided with left disjunctor 21 between the outer clip 20 of a clip 19 and a left side in the left side, right clip is made up of clip 22 in right and right outer clip 23, be provided with right disjunctor 24 between clip 22 and the right outer clip 23 in right, left side disjunctor 21 and right disjunctor 24 are located at respectively in the linear draw-in groove 18, be provided with between clip 19 and the right interior clip 22 in the left side and connect spring 25, be respectively equipped with semi-circular left stuck point 26 and right stuck point 27 on clip 19 and the right interior clip 22 in the left side, be respectively equipped with semi-circular left draw-in groove 28 and right draw-in groove 29 on described left lever 9 and the tongue-and-groove 12, described left stuck point 26 and right stuck point 27 are located at respectively in left draw-in groove 28 and the right draw-in groove 29, and described left lever 9 and right pull bar 10 are elastic draw bar; Described compasses device comprises the compasses sucker holder 30 that is located on ruler 1 right part, compasses sucker 31 and compasses change leg 32, be provided with circular groove 33 in the described compasses sucker holder 30, be provided with spheroid connector 34 between circular groove 33 and the compasses sucker 31, the compasses that described compasses commentaries on classics leg 32 is located at ruler 1 downside change in the leg groove 35, one end of compasses commentaries on classics leg 32 is hinged in the compasses commentaries on classics leg groove 35 and is provided with fixed screw 36 between compasses commentaries on classics leg 32 and the ruler 1, the other end that compasses change leg 32 is provided with the chalk folder tube 37 that can put chalk, chalk folder tube 37 is provided with chalk folder tube and tightens circle 38, also be provided with stuck point 39 on the described compasses commentaries on classics leg 32, stuck point 39 is provided with buckle 40 on compasses commentaries on classics leg groove 35; The oval device of described picture comprises left focus sliding tray 41 and the right focus sliding tray 42 that is located on the ruler 1, be respectively equipped with left focus handling hole 43 and right focus handling hole 44 on left focus sliding tray 41 and the right focus sliding tray 42, also be provided with left focus fixator 45 and right focus fixator 46 on left focus sliding tray 41 and the right focus sliding tray 42, it is oval with line 47 to be provided with picture between left focus fixator 45 and the right focus fixator 46, be provided with picture elliptic curve device 48 on line 47 in that the picture between left focus fixator 45 and the right focus fixator 46 is oval, draw elliptic curve device 48 and comprise chalk clamping bar 49, be located at the clamping bar tight loop 50 on the chalk clamping bar 49, the connecting rod 51 that is connected with on the clamping bar tight loop 50 is provided with runner 52, it is oval with line 47 that runner 52 is provided with picture, described left focus fixator 45 is identical with right focus fixator 46 size structures, left focus fixator 45 comprises fixed screw 53, the bottom of fixed screw 53 is a retention pin 54, the upper end of fixed screw 53 is an elasticity tension disk 55, fixed screw 53 between retention pin 54 and the elasticity tension disk 55 is provided with butterfly hold-down nut 56, described picture is oval to be located on the elasticity tension disk 55 with line 47. and described elasticity tension disk 55 comprises fixed cylinder 57, fixed cylinder 57 is located on fixed screw 53 upper ends, fixed body 58 in being provided with in the fixed cylinder 57, be provided with between fixed cylinder 57 and the interior fixed body 58 and press body 59, be provided with spring 60 between the inner bottom surface of pressure body 59 and fixed cylinder 57, the end of the pressure body 59 of close spring 60 is provided with snap ring 61, snap ring 61 is located at fixing the card in the body 62 of annular that fixed cylinder 57 is provided with, be respectively equipped with outer perforation 63 and interior perforation 64 on described pressure body 59 and the interior fixed body 58, outer perforation 63 and interior perforation 64 are provided with the picture ellipse and comprise that with line 47. described elastic draw bars the cross section is the framework 65 of day font, be respectively equipped with kerve 66 and following kerve 67 on the middle part, top and bottom of framework 65, described go up is respectively equipped with I-shaped going up and presses body 68 and press down body 69 on kerve 66 and the following kerve 67, on press body 68 and press down body 69 and framework 65 top and following between be respectively equipped with pressing spring 70 and be provided with length scale markings 72 with following pressing spring 71. described rulers 1 upper end; Described protractor 2 is provided with angle index markings 73; Be respectively equipped with angle index line 74 on described left lever 9 and the right pull bar 10; Described left focus sliding tray 41 is provided with between elliptic focus range marker line 75. described square box body handles 3 and the ruler 1 and is provided with connecting rod 76, and square box body handle 3 also is provided with loam cake 77. on hollow box body and its
During concrete the use, 1, when the ruler time spent, live square box body handle 3 usefulness the utility model straight line that directly draws with handgrip, length is measured with length scale markings 72 and is got final product;
2, when the protractor time spent, the protractor 2 that is provided with the utility model and on angle index markings 73 measure and get final product;
3, when 30 degree, 45 degree, 60 degree right angled triangle chi times spent, a left side outer clip 20 and the right side outer clip 23 respectively to mutually the passing, left stuck point 26 and right stuck point 27 are shifted out in left draw-in groove 28 and right draw-in groove 29 respectively, and under the effect of left spring 15 and right spring 16, all shift out in set square groove 6 on right 8 limits of the set square left side 7 and set square, from the set square left side 7 and right 8 limits of set square, pull out left lever 9 and right pull bar 10 respectively with hand then, pin left lever 9 and right pull bar 10 during this time, draw by the limit on the limit, make 30 degree or 45 degree or 60 degree right angled triangles according to the angle index line 74 on left lever 9 and the right pull bar 10, after choosing angle, tenon 11 on left lever 9 and the right pull bar 10 and tongue-and-groove 12 are connected as a single entity get final product;
4, when the compasses time spent, establish the compasses sucker 31 of spheroid connector 34 at first in compasses sucker holder 30, placing, after in chalk folder tube 37, putting into chalk 78 then, tightening circle 38 with chalk folder tube tightens, compasses are changeed leg 32 pulls out in compasses commentaries on classics leg groove 35, allowing compasses sucker 31 be adsorbed on the blackboard then, after making compasses change leg 32 and ruler 1 to have a certain degree, be that the center is drawn to justify and got final product with compasses sucker 31;
5, when the T square time spent, after ruler 1 put well, compasses are changeed leg 32 change in the leg groove 35 from compasses and pull out, make compasses change leg 32 and ruler 1 meets at right angles and can use;
When 6, drawing ellipse.Left focus fixator 45 and right focus fixator 46 are encased in left focus sliding tray 41 and the right focus sliding tray 42 by left focus handling hole 43 and right focus handling hole 44 respectively, fix left focus fixator 45 and right focus fixator 46 according to elliptic focus range marker line 75, oval at the picture between left focus fixator 45 and the right focus fixator 46 with the runner 52 of placing picture elliptic curve device 48 on the line 47, it is oval oval with the chalk 78 that clips in the line 47 chalk clamping bars 49 of back with picture elliptic curve device 48 oval the getting final product of drawing with line 47 1 circles and tension picture that runner 52 twines pictures, and the big or small available elasticity tension disk 55 adjustment picture ellipses of ellipse are adjusted with line 47 length.
During the drawing, can utilize vertical spirit level 4 of bubble or bubble level spirit level 5 to determine whether ruler 1 is in horizontal or vertical position, with after, can finding consolidations such as left focus fixator 45, right focus fixators 46 in the square box body handle 3, cover loam cake 77 and keep well standby.
Claims (5)
1. multifunctional teaching gauge, comprise ruler (1), it is characterized in that, the downside of described ruler (1) one end is provided with semicircle protractor (2), the middle part of ruler (1) is provided with square box body handle (3), ruler (1) between protractor (2) and the square box body handle (3) is provided with the gentle soaked flat spirit level of the vertical spirit level of bubble (4) (5), also is provided with set square device, compasses device on the described ruler (1) and draws oval device
Described set square device is located in the set square groove (6) that ruler (1) upper end is provided with, the set square device comprises the set square left side (7) and set square the right (8) that size is identical, one end on the set square left side (7) and set square the right (8) is hinged on respectively in the set square groove (6), be respectively equipped with left lever (9) and right pull bar (10) in the other end on the set square left side (7) and set square the right (8), be respectively equipped with tenon (11) and tongue-and-groove (12) on the other end of described left lever (9) and right pull bar (10), be respectively equipped with magnetite (13) on described tenon (11) and the tongue-and-groove (12) and inhale iron (14), be respectively equipped with left spring (15) and right spring (16) between the set square left side (7) and set square the right (8) and set square groove (6) inner bottom surface, be provided with folding shape maintenance sheet (17) between tenon (11) and the tongue-and-groove (12), maintenance sheet (17) is fixed on the interior trailing flank of set square groove (6), leading flank in the set square groove (6) is provided with linear draw-in groove (18), linear draw-in groove (18) is provided with left clip and right clip, left side clip is made up of clip (19) in the left side and the outer clip in a left side (20), be provided with left disjunctor (21) between clip (19) and the outer clip in a left side (20) in the left side, right clip is made up of clip (22) in right and right outer clip (23), be provided with right disjunctor (24) between clip (22) and the right outer clip (23) in right, left side disjunctor (21) and right disjunctor (24) are located at respectively in the linear draw-in groove (18), be provided with between clip (19) and the right interior clip (22) in the left side and connect spring (25), be respectively equipped with semi-circular left stuck point (26) and right stuck point (27) on clip (19) and the right interior clip (22) in the left side, be respectively equipped with semi-circular left draw-in groove (28) and right draw-in groove (29) on described left lever (9) and the tongue-and-groove (12), described left stuck point (26) and right stuck point (27) are located at respectively in left draw-in groove (28) and the right draw-in groove (29), and described left lever (9) and right pull bar (10) are elastic draw bar;
Described compasses device comprises the compasses sucker holder (30) that is located on ruler (1) right part, compasses sucker (31) and compasses change leg (32), be provided with circular groove (33) in the described compasses sucker holder (30), be provided with spheroid connector (34) between circular groove (33) and the compasses sucker (31), the compasses that described compasses commentaries on classics legs (32) are located at ruler (1) downside change in the leg grooves (35), the end that compasses change legs (32) is hinged on compasses changes in the leg grooves (35) and compasses change between leg (32) and the ruler (1) and are provided with fixed screw (36), the other end that compasses change leg (32) is provided with the chalk folder tube (37) that can put chalk, chalk folder tube (37) is provided with chalk folder tube and tightens circle (38), also be provided with stuck point (39) on the described compasses commentaries on classics legs (32), stuck point (39) is provided with buckle (40) on compasses commentaries on classics leg grooves (35);
The oval device of described picture comprises left focus sliding tray (41) and the right focus sliding tray (42) that is located on the ruler (1), be respectively equipped with left focus handling hole (43) and right focus handling hole (44) on left focus sliding tray (41) and the right focus sliding tray (42), also be provided with left focus fixator (45) and right focus fixator (46) on left focus sliding tray (41) and the right focus sliding tray (42), it is oval with line (47) to be provided with picture between left focus fixator (45) and the right focus fixator (46), the picture ellipse that is positioned between left focus fixator (45) and the right focus fixator (46) is provided with picture elliptic curve device (48) with line (47), draw elliptic curve device (48) and comprise chalk clamping bar (49), be located at the clamping bar tight loop (50) on the chalk clamping bar (49), the connecting rod (51) that is connected with on the clamping bar tight loop (50) is provided with runner (52), it is oval with line (47) that runner (52) is provided with picture, described left focus fixator (45) is identical with right focus fixator (46) size structure, left focus fixator (45) comprises fixed screw (53), the bottom of fixed screw (53) is retention pin (54), the upper end of fixed screw (53) is elasticity tension disk (55), fixed screw (53) between retention pin (54) and the elasticity tension disk (55) is provided with butterfly hold-down nut (56), and described picture is oval to be located on the elasticity tension disk (55) with line (47).
2. multifunctional teaching gauge according to claim 1, it is characterized in that, described elasticity tension disk (55) comprises fixed cylinder (57), fixed cylinder (57) is located on fixed screw (53) upper end, be provided with interior fixed body (58) in the fixed cylinder (57), be provided with between fixed cylinder (57) and the interior fixed body (58) and press body (59), be provided with spring (60) between the inner bottom surface of pressure body (59) and fixed cylinder (57), the end of the pressure body (59) of close spring (60) is provided with snap ring (61), snap ring (61) is located at fixing the card in the body (62) of annular that fixed cylinder (57) is provided with, be respectively equipped with outer perforation (63) and interior perforation (64) on described pressure body (59) and the interior fixed body (58), it is oval with line (47) that outer perforation (63) and interior perforation (64) are provided with picture.
3. multifunctional teaching gauge according to claim 1, it is characterized in that, described elastic draw bar comprises that the cross section is the framework (65) of day font, be respectively equipped with kerve (66) and following kerve (67) on the middle part, top and bottom of framework (65), described go up is respectively equipped with I-shaped last pressure body (68) and presses down body (69) on kerve (66) and the following kerve (67), on press body (68) and press down body (69) and framework (65) top and following between be respectively equipped with pressing spring (70) and following pressing spring (71).
4. multifunctional teaching gauge according to claim 1 is characterized in that, described ruler (1) upper end is provided with length scale markings (72); Described protractor (2) is provided with angle index markings (73); Be respectively equipped with angle index line (74) on described left lever (9) and the right pull bar (10); Described left focus sliding tray (41) is provided with elliptic focus range marker line (75).
5. multifunctional teaching gauge according to claim 1 is characterized in that, is provided with connecting rod (76) between described square box body handle (3) and the ruler (1), and square box body handle (3) also is provided with loam cake (77) on hollow box body and its.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200941847U CN201456764U (en) | 2009-08-11 | 2009-08-11 | Multifunctional teaching ruler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200941847U CN201456764U (en) | 2009-08-11 | 2009-08-11 | Multifunctional teaching ruler |
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| CN201456764U true CN201456764U (en) | 2010-05-12 |
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| CN2009200941847U Expired - Fee Related CN201456764U (en) | 2009-08-11 | 2009-08-11 | Multifunctional teaching ruler |
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- 2009-08-11 CN CN2009200941847U patent/CN201456764U/en not_active Expired - Fee Related
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| CN104085231A (en) * | 2014-06-13 | 2014-10-08 | 胡健强 | Training aid capable of drawing elliptical arc angle line |
| CN104139652A (en) * | 2014-07-17 | 2014-11-12 | 广东工业大学 | Fantasy deforming ruler |
| CN104139652B (en) * | 2014-07-17 | 2016-03-09 | 广东工业大学 | A kind of Multifunctional shape changeable rule |
| CN105856919A (en) * | 2016-05-15 | 2016-08-17 | 潍坊科技学院 | Teaching tool |
| CN106079980A (en) * | 2016-07-02 | 2016-11-09 | 深圳市中幼国际教育科技有限公司 | A kind of mathematics lift isosceles triangle drawing tools |
| CN107053909A (en) * | 2017-04-22 | 2017-08-18 | 张建 | A kind of convenient teaching bevel protractor |
| CN107672351A (en) * | 2017-10-10 | 2018-02-09 | 薛凯阳 | A kind of multifunction teaching drawing instrument |
| CN108099452A (en) * | 2017-12-22 | 2018-06-01 | 桂林市宝贤中学 | A kind of multifunctional teaching gauge |
| CN108099452B (en) * | 2017-12-22 | 2019-11-08 | 桂林市宝贤中学 | A kind of multifunctional teaching gauge |
| CN109664654A (en) * | 2019-01-18 | 2019-04-23 | 南京机电职业技术学院 | A kind of magnetic, multi-functional zoom-type ellipsograph |
| CN110645864A (en) * | 2019-08-02 | 2020-01-03 | 西安飞机工业（集团）有限责任公司 | Measuring tool and measuring method for curved surface step difference |
| CN110425963A (en) * | 2019-08-05 | 2019-11-08 | 中国商用飞机有限责任公司 | Measuring tool |
| CN110425963B (en) * | 2019-08-05 | 2021-05-11 | 中国商用飞机有限责任公司 | Measuring tool |
| CN110508006A (en) * | 2019-08-15 | 2019-11-29 | 赵晓旭 | A kind of rivet on toy card book |
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