CN208438949U - A kind of Multifunctional math teaching aid - Google Patents

A kind of Multifunctional math teaching aid Download PDF

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Publication number
CN208438949U
CN208438949U CN201820380213.5U CN201820380213U CN208438949U CN 208438949 U CN208438949 U CN 208438949U CN 201820380213 U CN201820380213 U CN 201820380213U CN 208438949 U CN208438949 U CN 208438949U
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CN
China
Prior art keywords
ruler
protractor
teaching aid
lira
graduation mark
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
CN201820380213.5U
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Chinese (zh)
Inventor
李莎莎
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Harbin University of Science and Technology
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Harbin University of Science and Technology
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 Harbin University of Science and Technology filed Critical Harbin University of Science and Technology
Priority to CN201820380213.5U priority Critical patent/CN208438949U/en
Application granted granted Critical
Publication of CN208438949U publication Critical patent/CN208438949U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Length-Measuring Instruments Using Mechanical Means (AREA)
  • Drawing Aids And Blackboards (AREA)

Abstract

The utility model discloses a kind of Multifunctional math teaching aids, including the first ruler, graduation mark one, through-hole, fixed pin, nut, outer lira, interior lira, sliding groove, hold hand, protractor, central point, degree line, second ruler, graduation mark two, fixed block and cross coordinate, the front end of first ruler is provided with graduation mark one, the anti-endface of first ruler is provided with cross coordinate, it is provided at the trailing flank of first ruler and holds hand, the middle section of the protractor is provided with central point, the side of the protractor is provided with degree line, the sliding groove is internally provided with fixed block, the top of the fixed block is provided with the second ruler, graduation mark two is provided at the front end face of second ruler.The utility model is provided with the cross coordinate of hollow out so that teachers ' teaching will be more simple at the back center of first ruler, provide more accurate origin using the cross coordinate of hollow out for teaching, the practicability of lifting device is conducive to device and promotes on the market.

Description

A kind of Multifunctional math teaching aid
Technical field
The utility model relates to a kind of multi-function device, specially a kind of Multifunctional math teaching aid.
Background technique
Mathematics is the subject of the concepts such as a research quantity, structure, variation, space and information, and mathematics is one abstract Subject, and rigorous process is then used as the key of abstract mathematics, and mathematics class is designed in each school, and currently, teacher exists It often may require that during mathematical education and use various numerous teaching aids, especially when teaching geometry section, both need picture The ruler of straight line, and need the compasses of picture circle, it is also necessary to the set square of triangle is drawn, meanwhile, the teaching material for also wanting band to attend class, and And teaching gauge has a single function, use carries all inconveniences, brings many inconvenience in this way, attending class to teacher and carrying teaching aid It is extremely inconvenient, therefore, for these problems, and provide a kind of Multifunctional math teaching aid.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of Multifunctional math teaching aid.
The utility model achieves the above object through the following technical schemes: a kind of Multifunctional math teaching aid, including first Ruler, through-hole, fixed pin, nut, outer lira, interior lira, sliding groove, holds hand, protractor, central point, degree at graduation mark one Line, the second ruler, graduation mark two, fixed block and cross coordinate, the front end of first ruler are provided with graduation mark one, and described It is provided with protractor above at one ruler left end, through-hole is provided at the left edge of first ruler, the protractor Through-hole is provided at origin, the through-hole is internally provided with fixed pin, is provided with outward turning at the surface perimeter of the fixed pin Line, the bottom of the fixed pin are provided with nut, and the nut is internally provided with interior lira, the front end face of first ruler Place is provided with sliding groove, and the anti-endface of first ruler is provided with cross coordinate, sets at the trailing flank of first ruler It is equipped with and holds hand, the middle section of the protractor is provided with central point, and the side of the protractor is provided with degree line, described Sliding groove is internally provided with fixed block, and the top of the fixed block is provided with the second ruler, the front end face of second ruler Place is provided with graduation mark two.
Preferably, for the ease of measurement data, the left edge top end of the first ruler is arranged in the protractor, and described Protractor is set as rotary structure.
Preferably, in order to increase the aesthetics of device, the protractor is set as semicircular structure.
Preferably, for the ease of user's hand-held device, the trailing flank endface of first ruler, which is provided with, holds hand.
Preferably, it is connected by outer lira with interior lira in order to facilitate the assembly of tool, the fixed pin and nut.
Preferably, the movement of the second ruler, second ruler are set as removable frame for convenience.
Preferably, in order to give user conveniently, the cross that hollow out is provided at the back center of first ruler is sat Mark.
The beneficial effects of the utility model are: Multifunctional math teaching aid design is rationally, protractor is arranged in the first ruler Left edge top end, and protractor is set as rotary structure, by the effect of fixed pin, realizes that the rotation of protractor is made With, enable protractor multi-angle measurement and draw angle, increase the utilization rate of device so that teaching it is more high Effect, protractor is set as semicircular structure, increases the aesthetics of device, can more closer to reality, enable math teacher Efficiently utilize protractor, increase efficiency of teaching, the trailing flank endface of the first ruler, which is provided with, holds hand, the width of ruler compared with It is small, it is unfavorable for teacher's use when in use, holds the setting of hand convenient for teacher and preferably utilize the device, advantageously reduce device Operation difficulty, fixed pin is connected by outer lira with interior lira with nut, cooperated using the lines of outer lira and interior lira, First ruler and protractor are securely attached to together, while the elastic of two components can be selected according to the difference of angle, The flexibility for improving device is conducive to the simplicity for increasing operation, and the second ruler is set as removable frame, using sliding groove and The cooperation of fixed block, realize the second ruler movement, for the first ruler provide it is additional be convenient for so that teachers ' teaching will more Simply, it is provided with the cross coordinate of hollow out at the back center of the first ruler, is provided more using the cross coordinate of hollow out for teaching Add accurately origin, the practicability of lifting device is conducive to device and promotes on the market.
Detailed description of the invention
Fig. 1 is the structural schematic diagram one of the utility model;
Fig. 2 is the structural schematic diagram two of the utility model;
Fig. 3 is the structural schematic diagram three of the utility model;
Fig. 4 is the structural schematic diagram four of the utility model;
In figure: 1, first ruler, 2, graduation mark one, 3, through-hole, 4, fixed pin, 5, nut, 6, outer lira, 7, interior lira, 8, sliding groove, 9, hold hand, 10, angle square, 11, central point, 12, degree line, the 13, second ruler, 14, graduation mark two, 15, solid Determine block and 16, cross coordinate.
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.
Please refer to Fig. 1~4, a kind of Multifunctional math teaching aid, including the first ruler 1, graduation mark 1, through-hole 3, fixed pin 4, nut 5, outer lira 6, interior lira 7, sliding groove 8, hold hand 9, protractor 10, central point 11, degree line 12, the second ruler 13, graduation mark 2 14, fixed block 15 and cross coordinate 16, the front end of first ruler 1 are provided with graduation mark 1, the amount The left edge top end of the first ruler 1 is arranged in angle device 10, and the protractor 10 is set as rotary structure, passes through fixed pin 4 effect, realize protractor 10 turning effort, enable 10 multi-angle of protractor measurement and draw angle, increase The utilization rate of device so that teaching it is more efficient, at 1 left end of the first ruler above be provided with protractor 10, it is described It is provided with through-hole 3 at the left edge of first ruler 1, through-hole 3 is provided at the origin of the protractor 10, the protractor 10 is set Be set to semicircular structure, increase the aesthetics of device, can more closer to reality, enable the efficient utilization of math teacher Angle device 10, increases efficiency of teaching, and the through-hole 3 is internally provided with fixed pin 4, is arranged at the surface perimeter of the fixed pin 4 There is outer lira 6, the bottom of the fixed pin 4 is provided with nut 5, and the trailing flank endface of first ruler 1, which is provided with, holds hand The width in portion 9, ruler is smaller, is unfavorable for teacher's use when in use, holds the setting of hand 9 convenient for teacher and preferably utilizes the dress It sets, advantageously reduces the operation difficulty of device, the nut 5 is internally provided with interior lira 7, the anode of first ruler 4 Sliding groove 8 is provided at face, the anti-endface of first ruler 1 is provided with cross coordinate 16, the fixed pin 4 and nut 5 It is connected by outer lira 6 with interior lira 7, is cooperated using the lines of outer lira 7 and interior lira 6, by the first ruler 1 and protractor 10 are securely attached to together, while can select the elastic of two components according to the difference of angle, improve the flexible of device Property, be conducive to the simplicity for increasing operation, be provided at the trailing flank of first ruler 1 and hold hand 9, the protractor 10 Middle section is provided with central point 11, and the side of the protractor 10 is provided with degree line 12, the inside setting of the sliding groove 8 There is fixed block 15, second ruler 13 is set as removable frame, using the cooperation of sliding groove 8 and fixed block 15, realizes the The movement of two rulers 13, for the first ruler 1 provide it is additional be convenient for so that teachers ' teaching will be more simple, the fixed block 15 top is provided with the second ruler 13, and graduation mark 2 14 is provided at the front end face of second ruler 13, and described first is straight The cross coordinate 16 of hollow out is provided at the back center of ruler 1, using the cross coordinate 16 of hollow out for teaching provide it is more accurate Origin, the practicability of lifting device is conducive to device and promotes on the market.
Working principle: when using the Multifunctional math teaching aid, firstly, by the logical of 1 left end of protractor 10 and the first ruler Hole 3 is connected by fixed pin 4, secondly, sliding groove 8 is arranged at the front end face of the first ruler 1, using fixed block 15 by the Two rulers 13 connect, and finally, connect other devices, can the normal use Multifunctional math teaching aid.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (7)

1. a kind of Multifunctional math teaching aid, including the first ruler (1), graduation mark one (2), through-hole (3), fixed pin (4), nut (5), outer lira (6), interior lira (7), sliding groove (8), hold hand (9), protractor (10), central point (11), degree line (12), Second ruler (13), graduation mark two (14), fixed block (15) and cross coordinate (16), it is characterised in that: first ruler (1) Front end be provided with graduation mark one (2), at the first ruler (1) left end above be provided with protractor (10), described first It is provided at the left edge of ruler (1) through-hole (3), is provided with through-hole (3), the through-hole at the origin of the protractor (10) (3) be internally provided with fixed pin (4), is provided with outer lira (6), the fixed pin at the surface perimeter of the fixed pin (4) (4) bottom is provided with nut (5), and the nut (5) is internally provided with interior lira (7), the anode of first ruler (1) It is provided at face sliding groove (8), the anti-endface of first ruler (1) is provided with cross coordinate (16), first ruler (1) it is provided with and holds hand (9) at trailing flank, the middle section of the protractor (10) is provided with central point (11), the amount The side of angle device (10) is provided with degree line (12), and the sliding groove (8) is internally provided with fixed block (15), the fixed block (15) top is provided with the second ruler (13), is provided with graduation mark two (14) at the front end face of second ruler (13).
2. a kind of Multifunctional math teaching aid according to claim 1, it is characterised in that: the protractor (10) setting is the The left edge top end of one ruler (1), and the protractor (10) is set as rotary structure.
3. a kind of Multifunctional math teaching aid according to claim 1, it is characterised in that: the protractor (10) is set as half Circular configuration.
4. a kind of Multifunctional math teaching aid according to claim 1, it is characterised in that: the rear side of first ruler (1) Face endface, which is provided with, holds hand (9).
5. a kind of Multifunctional math teaching aid according to claim 1, it is characterised in that: the fixed pin (4) and nut (5) It is connected by outer lira (6) with interior lira (7).
6. a kind of Multifunctional math teaching aid according to claim 1, it is characterised in that: second ruler (13) is set as Removable frame.
7. a kind of Multifunctional math teaching aid according to claim 1, it is characterised in that: the back side of first ruler (1) The cross coordinate (16) of hollow out is provided at center.
CN201820380213.5U 2018-03-20 2018-03-20 A kind of Multifunctional math teaching aid Expired - Fee Related CN208438949U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820380213.5U CN208438949U (en) 2018-03-20 2018-03-20 A kind of Multifunctional math teaching aid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820380213.5U CN208438949U (en) 2018-03-20 2018-03-20 A kind of Multifunctional math teaching aid

Publications (1)

Publication Number Publication Date
CN208438949U true CN208438949U (en) 2019-01-29

Family

ID=65092798

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820380213.5U Expired - Fee Related CN208438949U (en) 2018-03-20 2018-03-20 A kind of Multifunctional math teaching aid

Country Status (1)

Country Link
CN (1) CN208438949U (en)

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

Granted publication date: 20190129

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