CN208324682U - A kind of mathematical education multifunctional drawing ruler - Google Patents

A kind of mathematical education multifunctional drawing ruler Download PDF

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Publication number
CN208324682U
CN208324682U CN201721841445.8U CN201721841445U CN208324682U CN 208324682 U CN208324682 U CN 208324682U CN 201721841445 U CN201721841445 U CN 201721841445U CN 208324682 U CN208324682 U CN 208324682U
Authority
CN
China
Prior art keywords
compasses
rule
ruler
protractor
slot
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
Application number
CN201721841445.8U
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Chinese (zh)
Inventor
邓心铭
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.)
Dongguan Weidu Electronic Technology Co Ltd
Original Assignee
Dongguan Weidu Electronic Technology Co Ltd
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 Dongguan Weidu Electronic Technology Co Ltd filed Critical Dongguan Weidu Electronic Technology Co Ltd
Priority to CN201721841445.8U priority Critical patent/CN208324682U/en
Application granted granted Critical
Publication of CN208324682U publication Critical patent/CN208324682U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of mathematical education multifunctional drawing rulers, including drawing rule ontology, slide-rule dial table is provided at the drawing rule body edges, drawing rule ontology front, which is run through, is equipped with square slot, the drawing rule body shape is set as 30 ° of -60 ° of right angled triangles, right angled triangle long right-angle side bottom is provided with compasses, it is flexibly connected between described compasses one end and drawing rule ontology by shaft, drawing rule ontology side is provided with protractor, the protractor front, which is run through, is equipped with dial scale slot, dial scale slot inside edge is provided with circular arc graduation apparatus, second sliding slot is provided on the outside of the dial scale slot, the protractor front is provided with slide bar, described slide bar one end is provided with lantern ring and the other end is provided with convex block, the slide bar is flexibly connected through lantern ring with protractor by shaft.The utility model can be multi-purpose with a ruler, and mapping is convenient, and drawing accuracy is high, gives bringing great convenience property of teaching.

Description

A kind of mathematical education multifunctional drawing ruler
Technical field
The utility model relates to teaching aid technical field, in particular to a kind of mathematical education multifunctional drawing ruler.
Background technique
Currently, the teaching aid function that teacher uses is all relatively simple so that required when class-teaching of teacher with A variety of teaching aids, especially mathematics teacher are attended class with greater need for a variety of teaching aids, such as drafting scale, compasses, protractor etc., Lao Shishou Class will use different drawing tools in blackboard drawing, while be indicated to student again, moreover, current drawing ruler function ratio More single, teacher is also required to put forth one's strength in mapping to have pressed drawing rule and could map relatively accurate, operates and extremely bothers.
Therefore, invent a kind of mathematical education solved the above problems with multifunctional drawing ruler it is necessary.
Utility model content
The purpose of this utility model is to provide a kind of mathematical education multifunctional drawing rulers, to solve above-mentioned background technique The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of mathematical education multifunctional drawing ruler, Including drawing rule ontology, slide-rule dial table is provided at the drawing rule body edges, drawing rule ontology front, which is run through, to be set There is square slot, the drawing rule body shape is set as 30 ° of -60 ° of right angled triangles, right angled triangle long right-angle side bottom Portion is provided with compasses, is flexibly connected between described compasses one end and drawing rule ontology by shaft, drawing rule ontology side It is provided with protractor, the protractor front, which is run through, is equipped with dial scale slot, and dial scale slot inside edge is provided with circular arc quarter Table is spent, second sliding slot is provided on the outside of the dial scale slot, the protractor front is provided with slide bar, slide bar one end setting There are lantern ring and the other end to be provided with convex block, the slide bar is flexibly connected through lantern ring with protractor by shaft.
Preferably, the compasses include the first compass leg and the second compass leg, and first compass leg one end is equipped with first Sliding slot, the first sliding groove are internally provided with compasses point, and the compasses point is slidably connected with first sliding groove, compasses point one end Equipped with promoting button, second compass leg one end is equipped with chalk cutting ferrule.
Preferably, compasses sharp end is set as arc end surface, and the chalk cutting ferrule and compasses point are by rubber material It is made.
Preferably, the drawing rule ontology back side is embedded with magnetic patch.
Preferably, the slide bar side is provided with angle measurement pointer, and angle measurement pointer is most advanced just and on the inside of dial scale slot Edge is concordant, and fin is equipped at the top of the angle measurement pointer.
Preferably, the convex block is arranged inside second sliding slot.
The technical effect and advantage of the utility model:, can be in the process for stirring angle measurement pointer by the way that second sliding slot is arranged In, the movement of slide bar is limited;By the way that convex block is arranged in one end of slide bar, the convenience for stirring slide bar is substantially increased; By the way that angle measurement pointer is arranged on slide bar, and angle measurement pointer is that fin is equipped at the line of center, so that carrying out using angle measurement pointer Angle measurement or error is smaller when doing angle, greatly improves the accuracy of mapping;By the way that promoting button is arranged, the danger for not making bowlder is reduced Property, by the way that the compasses tip of rubber material is arranged, can prevent from sliding and prevent to cause brokenly blackboard making bowlder It is bad.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model;
Fig. 2 is the structural schematic diagram under the compasses opening state of the utility model;
Fig. 3 is the portion A enlarged drawing in Fig. 1 of the utility model;
Fig. 4 is the slide bar main view of the utility model;
Fig. 5 is the slide bar side view of the utility model;
In figure: 1 drawing rule ontology, 2 slide-rule dial tables, 3 square slots, 4 compasses, 41 first compass legs, 42 second compasses Leg, 5 promoting buttons, 6 first sliding grooves, 7 chalk cutting ferrules, 8 compasses point, 9 protractors, 10 dial scale slots, 11 circular arc graduation apparatus, 12 Two sliding slots, 13 slide bars, 14 lantern rings, 15 angle measurement pointers, 16 convex blocks, 17 magnetic patch.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of mathematical education multifunctional drawing ruler as shown in Figs. 1-5, including drawing rule sheet Body 1,1 edge of drawing rule ontology are provided with slide-rule dial table 2, and 1 front of drawing rule ontology is through equipped with square Slot 3, the drawing rule ontology 1 are shaped to 30 ° of -60 ° of right angled triangles, the setting of right angled triangle long right-angle side bottom There are compasses 4, be flexibly connected between described 4 one end of compasses and drawing rule ontology 1 by shaft, 1 side of drawing rule ontology is set It is equipped with protractor 9, through dial scale slot 10 is equipped with, 10 inside edge of dial scale slot is provided with circle in 9 front of protractor Arc graduation apparatus 11 is provided with second sliding slot 12 on the outside of the dial scale slot 10, and 9 front of protractor is provided with slide bar 13, institute State that 13 one end of slide bar is provided with lantern ring 14 and the other end is provided with convex block 16, wherein convex block 16, which is greatly improved, stirs slide bar 13 convenience, the slide bar 13 are flexibly connected through lantern ring 14 with protractor 9 by shaft.
The compasses 4 include the first compass leg 41 and the second compass leg 42, and described first compass leg, 41 one end is equipped with first Sliding slot 6, the first sliding groove 6 are internally provided with compasses point 8, and the compasses point 8 is slidably connected with first sliding groove 6, the compasses Sharp 8 one end are equipped with promoting button 5, and for releasing or withdrawing compasses point 8, described second compass leg, 42 one end is equipped with chalk cutting ferrule 7, Chalk is blocked when for making round or circular arc, sharp 8 tips of the compasses are set as arc end surface, the chalk cutting ferrule 7 and compasses point 8 It is made of rubber material, can prevent from sliding on making bowlder hair, to ensure the accuracy drawn, and can prevent from making blackboard At destruction, 1 back side of drawing rule ontology is embedded with magnetic patch 17, drafting scale can be adsorbed on blackboard in the non-use state On, conveniently take, 13 side of slide bar is provided with angle measurement pointer 15, and angle measurement pointer 15 it is most advanced just with dial scale slot 10 Inside edge is concordant, and fin is equipped at the top of the angle measurement pointer 15, can greatly reduce the error when carrying out angle measurement or doing angle, from And the accuracy of drawing is improved, the convex block 16 is arranged inside second sliding slot 12, can be in the process for stirring angle measurement pointer 15 In, the movement of slide bar 13 is limited.
Utility model works principle: when making straight line, triangle, circle and the figure such as make angle using the drawing rule, need to only lead to Cross magnet 17 drawing rule ontology 1 is adsorbed on blackboard, directly be drawn with chalk, wherein when making angle, can first pass through stir it is convex Block 16 makes slide bar 13 rotate by a certain angle, and is overlapped 15 tip of angle measurement pointer on slide bar 13 with the circular arc graduation mark of corresponding angles, Then angle is remake, the accuracy at made angle is substantially increased, meanwhile, making bowlder using the drafting scale, is being pressed by adjusting to push Button 5 releases compasses point 8, and chalk is stuck in chalk cutting ferrule 7, then adjust the first compass leg 41 and the second compass leg 42 it Between distance can make to justify, when not needing to make bowlder, push promoting button 5, compasses point 8 withdrawn, can avoid causing accidental wound Evil.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (6)

1. a kind of mathematical education multifunctional drawing ruler, including drawing rule ontology (1), it is characterised in that: the drawing rule ontology (1) edge is provided with slide-rule dial table (2), and drawing rule ontology (1) front, which is run through, is equipped with square slot (3), described to draw Figure ruler ontology (1) is shaped to 30 ° of -60 ° of right angled triangles, and right angled triangle long right-angle side bottom is provided with compasses (4), it is flexibly connected between described compasses (4) one end and drawing rule ontology (1) by shaft, drawing rule ontology (1) side It is provided with protractor (9), protractor (9) front is through equipped with dial scale slot (10), dial scale slot (10) inner side edge Edge is provided with circular arc graduation apparatus (11), is provided with second sliding slot (12) on the outside of the dial scale slot (10), the protractor (9) is just Face is provided with slide bar (13), and described slide bar (13) one end is provided with lantern ring (14) and the other end is provided with convex block (16), described Slide bar (13) is flexibly connected through lantern ring (14) with protractor (9) by shaft.
2. a kind of mathematical education multifunctional drawing ruler according to claim 1, it is characterised in that: compasses (4) packet Including the first compass leg (41) and the second compass leg (42), described first compass leg (41) one end is equipped with first sliding groove (6), and described the One sliding slot (6) is internally provided with compasses point (8), and the compasses sharp (8) are slidably connected with first sliding groove (6), and the compasses are sharp (8) One end is equipped with promoting button (5), and described second compass leg (42) one end is equipped with chalk cutting ferrule (7).
3. a kind of mathematical education multifunctional drawing ruler according to claim 2, it is characterised in that: the compasses are sharp (8) Tip is set as arc end surface, and the chalk cutting ferrule (7) and compasses sharp (8) are made of rubber material.
4. a kind of mathematical education multifunctional drawing ruler according to claim 1, it is characterised in that: the drawing rule ontology (1) back side is embedded with magnetic patch (17).
5. a kind of mathematical education multifunctional drawing ruler according to claim 1, it is characterised in that: the slide bar (13) one Side is provided with angle measurement pointer (15), and angle measurement pointer (15) is most advanced just concordant with dial scale slot (10) inside edge, described Fin is equipped at the top of angle measurement pointer (15).
6. a kind of mathematical education multifunctional drawing ruler according to claim 1, it is characterised in that: the convex block (16) sets It sets internal in second sliding slot (12).
CN201721841445.8U 2017-12-26 2017-12-26 A kind of mathematical education multifunctional drawing ruler Expired - Fee Related CN208324682U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721841445.8U CN208324682U (en) 2017-12-26 2017-12-26 A kind of mathematical education multifunctional drawing ruler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721841445.8U CN208324682U (en) 2017-12-26 2017-12-26 A kind of mathematical education multifunctional drawing ruler

Publications (1)

Publication Number Publication Date
CN208324682U true CN208324682U (en) 2019-01-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721841445.8U Expired - Fee Related CN208324682U (en) 2017-12-26 2017-12-26 A kind of mathematical education multifunctional drawing ruler

Country Status (1)

Country Link
CN (1) CN208324682U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109927455A (en) * 2019-03-06 2019-06-25 吉林工程技术师范学院 A kind of Machine Design, which is used, makees map device with anti-cutting auxiliary picture function

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109927455A (en) * 2019-03-06 2019-06-25 吉林工程技术师范学院 A kind of Machine Design, which is used, makees map device with anti-cutting auxiliary picture function

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190104

Termination date: 20191226