CN211000663U - Novel compasses are used in mathematical education - Google Patents

Abstract

The utility model discloses a novel compasses are used in mathematical education, comprising a main body, the main part adopts semi-circular, the main part includes equilateral fretwork, spout, recess, sharp scale and angulation scale, the equilateral fretwork is a plurality of, one side of equilateral fretwork is equipped with portable post, the spout is located the inside of main part, the recess is located one side of spout, sharp scale is located the bottom of main part, the angulation scale is located one side of main part, the inside top shoe that is equipped with of recess, one side of top shoe is equipped with the slide bar, the slide bar with top shoe bolt fixed connection, one side of slide bar is equipped with down the slider, the slide bar passes the spout with the bottom shoe cup joints, the slide bar includes the chalk groove, the chalk groove is located the inside of slide bar. The utility model discloses not only can be in the same place all kinds of mathematics teaching aid sets, have the effect that improves teaching efficiency, but also have the fixed characteristics of being convenient for adsorb.

Description

Novel compasses are used in mathematical education

Technical Field

The utility model relates to a compasses specifically is a novel compasses is used in mathematical education.

Background

Compasses are tools for drawing circles or strings in mathematics and drawing, are commonly used for drawing rulers and compasses, often need drawing firstly and then finding a conclusion in mathematical geometry teaching, the common tools for drawing comprise rulers, triangular rulers, compasses and the like, and are often replaced and used alternately, which brings inconvenience to teaching work, teachers often cannot clearly observe students when using protractors to measure and draw angles in the teaching process, particularly students sitting at the back, so that the learning of students is influenced, the drawing tools used by mathematics teachers in class have many rulers, protractors and the like, the tools have single functions, such as drawing straight lines and protractors only can measure angles, so the teachers need to replace teaching aids ceaselessly when using the rulers, the drawing speed is influenced, the teaching efficiency is reduced, the use is inconvenient, and the volume of the traditional compasses is too large, storage is also very inconvenient.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel compasses is used in mathematics teaching to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the portable multifunctional electric cooker comprises a main body, the main part adopts semi-circular, the main part includes equilateral fretwork, spout, recess, sharp scale and angulation scale, the equilateral fretwork is a plurality of, one side of equilateral fretwork is equipped with portable post, the spout is located the inside of main part, the recess is located one side of spout, sharp scale is located the bottom of main part, the angulation scale is located one side of main part, the inside top shoe that is equipped with of recess, one side of top shoe is equipped with the slide bar, the slide bar with top shoe bolt fixed connection, one side of slide bar is equipped with down the slider, the slide bar passes the spout with the lower slider cup joints.

Furthermore, the main body is made of transparent plastic materials.

Furthermore, the upper sliding block and the lower sliding block are both made of ferromagnetic materials.

Further, the slide bar comprises a chalk groove, and the chalk groove is located inside the slide bar.

Furthermore, one side of the sliding groove is provided with a bearing, and the bearing is fixedly connected with the main body bolt.

Furthermore, the inside of bearing is equipped with the bull stick, the bull stick with the bearing cup joints, one side of bull stick is equipped with the sucking disc, the sucking disc with the bull stick cup joints.

Furthermore, one side of the main body is also provided with a first iron absorbing magnet and a second iron absorbing magnet, and the first iron absorbing magnet and the second iron absorbing magnet are fixedly connected with the main body clamping groove.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model provides a pair of novel compasses are used in mathematical education through having the protractor scale on arc compasses main part, has formed combining together of protractor and compasses, need not make a round trip to change teaching aid during the use, simple structure moreover, and the cost is lower, has still practiced thrift the teaching cost when having improved teaching efficiency.

(2) The utility model provides a pair of novel compasses are used in mathematical education inhales ferromagnetism through setting up first ferromagnetism and second in the compasses main part, can inhale ferromagnetism through first ferromagnetism and second and adsorb the compasses and fix on the iron blackboard, play the effect of being convenient for to deposit.

(3) The utility model provides a pair of novel compasses are used in mathematical education inhales the top shoe and the lower slider of ferromagnetic material through the setting, can play the effect of adjusting compasses and drawing circle size.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic front structural view of a novel compass for mathematical education according to an embodiment of the present invention;

fig. 2 is a schematic back structure view of a novel compass for mathematical education according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of an upper slider, a lower slider, a slider and a chalk groove of the novel compass for mathematical education according to the embodiment of the present invention;

fig. 4 is a schematic view of the structure of the bearing, the rotating rod and the sucker of the novel compass for mathematical education according to the embodiment of the present invention.

Reference numerals:

1. a main body; 2. an upper slide block; 3. a lower slide block; 4. a slide bar; 5. a bearing; 6. a rotating rod; 7. a suction cup; 8. a first ferromagnetic absorber; 9. a second ferromagnetic magnet; 101. a portable column; 102. equilateral hollow; 103. a chute; 104. a groove; 105. linear scale division; 106. measuring angle scales; 401. a chalk groove.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the attached drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiments of the present invention, but not all embodiments, and based on the embodiments of the present invention, all other embodiments obtained by a person having ordinary skill in the art without creative work belong to the protection scope of the present invention, and further description is made on the utility model with reference to the attached drawings and specific embodiments:

referring to fig. 1-4, a novel compass for mathematics teaching according to an embodiment of the present invention comprises a main body 1, the main body 1 is semicircular, the main body 1 comprises an equilateral hollow 102, a sliding groove 103, a groove 104, a linear scale 105 and an angle measuring scale 106, the number of the equilateral hollow parts 102 is several, one side of the equilateral hollow parts 102 is provided with a portable column 101, the sliding groove 103 is located inside the main body 1, the groove 104 is located at one side of the sliding groove 103, the linear scale 105 is located at the bottom of the body 1, the angle measuring scale 106 is located at one side of the body 1, an upper sliding block 2 is arranged in the groove 104, a sliding rod 4 is arranged on one side of the upper sliding block 2, the sliding rod 4 is fixedly connected with the upper sliding block 2 through a bolt, a lower sliding block 3 is arranged on one side of the sliding rod 4, and the sliding rod 4 penetrates through the sliding groove 103 and is in sleeve joint with the lower sliding block 3.

Through the above scheme of the utility model, the main body 1 is made of transparent plastic material, the transparent material is convenient for observing the circle of drawing, the upper slider 2 and the lower slider 3 are both made of magnetic material, the circle of drawing is convenient to adjust, the slide bar 4 comprises the chalk groove 401, the chalk is convenient to fix, the chalk groove 401 is positioned inside the slide bar 4, one side of the slide groove 103 is provided with the bearing 5, the bearing 5 is fixedly connected with the main body 1 through the bolt, the inside of the bearing 5 is provided with the rotating rod 6, the circle of drawing is convenient to rotate, the rotating rod 6 is sleeved with the bearing 5, one side of the rotating rod 6 is provided with the sucking disc 7, the sucking disc 7 is sleeved with the rotating rod 6 and is convenient to adsorb on the center of the circle of the blackboard, one side of the main body 1 is also provided with the first magnet 8 and the second magnet 9, the first magnet 8 and the second magnet 9 are both fixedly connected with the clamping groove of the main body, the magnet is convenient to adsorb and fix.

When the compasses are specifically applied, the compasses can be adsorbed and fixed on an iron blackboard through the first iron absorbing magnet 8 and the second iron absorbing magnet 9, when the compasses are required to be used, the angle of the chalk groove 401 can be adjusted by adjusting the upper sliding block 2 and the lower sliding block 3, teaching chalks can be fixed in the chalk groove 401, the sucking disc 7 is adsorbed on the center of a circle, and then the compasses are rotated to continue to draw the circle; furthermore, the angle can be measured by an angle measuring scale 106 on one side of the compasses, and the straight line scale 105 is convenient for measuring the straight line distance.

In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a novel compasses is used in mathematical education, includes main part (1), its characterized in that: the main body (1) is semicircular, the main body (1) comprises an equilateral hollow part (102), a sliding groove (103), a groove (104), a linear scale (105) and an angle measuring scale (106), a plurality of the equilateral fretworks (102), a portable column (101) is arranged on one side of the equilateral fretworks (102), the sliding groove (103) is positioned inside the main body (1), the groove (104) is positioned on one side of the sliding groove (103), the straight line scale (105) is positioned at the bottom of the main body (1), the angle measuring scale (106) is positioned at one side of the main body (1), an upper sliding block (2) is arranged in the groove (104), a sliding rod (4) is arranged on one side of the upper sliding block (2), the sliding rod (4) is fixedly connected with the upper sliding block (2) through a bolt, one side of the sliding rod (4) is provided with a lower sliding block (3), the sliding rod (4) penetrates through the sliding groove (103) to be sleeved with the lower sliding block (3).

2. The novel compass for mathematics teaching as claimed in claim 1, wherein: the main body (1) is made of transparent plastic materials.

3. The novel compass for mathematics teaching as claimed in claim 1, wherein: the upper sliding block (2) and the lower sliding block (3) are both made of ferromagnetic materials.

4. The novel compass for mathematics teaching as claimed in claim 1, wherein: the sliding rod (4) comprises a chalk groove (401), and the chalk groove (401) is located inside the sliding rod (4).

5. The novel compass for mathematics teaching as claimed in claim 1, wherein: one side of spout (103) is equipped with bearing (5), bearing (5) with main part (1) bolt fixed connection.

6. The novel compass for mathematics teaching as claimed in claim 5, wherein: the inside of bearing (5) is equipped with bull stick (6), bull stick (6) with bearing (5) cup joint, one side of bull stick (6) is equipped with sucking disc (7), sucking disc (7) with bull stick (6) cup joint.

7. The novel compass for mathematics teaching as claimed in claim 1, wherein: one side of the main body (1) is also provided with a first attracting magnet (8) and a second attracting magnet (9), and the first attracting magnet (8) and the second attracting magnet (9) are fixedly connected with the clamping groove of the main body (1).

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