CN217048073U - Multifunctional drawing tool for mathematical teaching - Google Patents

Abstract

The utility model discloses a multi-functional graphics primitive is used in mathematics teaching relates to teaching appurtenance technical field. The utility model comprises a plotter, wherein the plotter comprises a first positioning knob connected with the intersection of a first support leg and a second support leg; the cross part of a third supporting leg and the first supporting leg of the plotter is connected with a second positioning knob; the cross part of the support arm and the second support leg of the plotter is connected with a third positioning knob; a fourth positioning knob is connected at the intersection of the third support leg and the support arm; the outer edge of the first support leg is provided with a scale strip; any one end part of the first supporting leg, the second supporting leg or the third supporting leg is in threaded connection with an end head; an angle scale is arranged on the peripheral side of a rotating pair included in any one of the first positioning knob, the second positioning knob, the third positioning knob or the fourth positioning knob. The utility model discloses a set up the plotter and be used for mathematical education personnel to draw and use, have easy and simple to handle, the various and wide advantage of suitability of function.

Description

A multifunctional drawing tool for mathematics teaching

technical field

The utility model belongs to the technical field of teaching auxiliary tools, in particular to a multifunctional drawing tool for mathematics teaching.

Background technique

Mathematics is a subject that studies concepts such as quantity, structure, change, space and information. From a certain point of view, it belongs to a form of science. Therefore, in mathematics teaching, the explanation of geometric figures is indispensable, and the teaching staff is in In the process of drawing graphics, we need to rely on drawing tools, so that the drawn graphics are more vivid and easy for students to understand. However, the existing drawing tools still have the following drawbacks in actual use:

1. The existing drawing tools for mathematics teaching can often only draw a single pattern, which leads to the need to use different tools when drawing different patterns, resulting in low applicability;

2. The existing drawing tools for mathematics teaching have a single function and do not have functions such as length and angle measurement.

Therefore, the existing drawing tools for mathematics teaching cannot meet the needs in actual use, so there is an urgent need for improved technologies on the market to solve the above problems.

Utility model content

The purpose of the utility model is to provide a multifunctional drawing tool for mathematics teaching, which solves the problems of single function and low applicability of the existing drawing tool for mathematics teaching by setting a plotter to draw graphics.

In order to solve the above-mentioned technical problems, the utility model is realized through the following technical solutions:

The utility model relates to a multifunctional drawing tool for mathematics teaching, comprising a plotter, wherein the plotter comprises a No. 1 positioning knob connected at the intersection of a first leg and a second leg;

A No. 2 positioning knob is connected at the intersection of the third leg included in the plotter and the first leg;

A No. 3 positioning knob is connected at the intersection of the support arm and the second support foot included in the plotter;

A No. 4 positioning knob is connected at the intersection of the third support leg and the support arm;

The outer edge of the first leg is provided with a scale bar;

Any one end of the first leg, the second leg or the third leg is threadedly connected with a terminal;

An angle plate is provided on the peripheral side of the rotating pair included in any one of the No. 1 positioning knob, No. 2 positioning knob, No. 3 positioning knob or No. 4 positioning knob.

Further, the middle parts of the first support leg, the second support leg and the third support leg are arranged through the middle, and the third support leg is shorter than the first support leg and the second support leg, and the first support leg and the second support leg have the same length. The one leg, the second leg and the third leg are used in combination with each other, and with the ends, patterns of different shapes can be drawn, such as circles, rotations, and the like.

Further, a threaded post is fixedly connected at the central position of the inner end of the end head, and the threaded post is threadedly connected in a threaded groove provided inside any one end of the first leg, the second leg or the third leg, Under the action of the threaded column and the threaded groove, the end head and the corresponding supporting foot structure maintain a fixed position.

Further, the end head type is provided with a drawing end and a positioning end. The end head decides to install the drawing end or the positioning end according to the usage requirements. .

Further, the end of the junction of the first leg and the second leg, the end of the third leg and the first leg, and the end of the support arm and the third leg are all concave, and the concave set at the end of the first leg is used. It moves between the first leg and the second leg. Similarly, the depression set at the end of the third leg is used for the movement between the third leg and the first leg, and the depression set at one end of the supporting arm is used for the supporting arm and the third leg. activities in between.

Further, the No. 1 positioning knob, No. 2 positioning knob, No. 3 positioning knob and No. 4 positioning knob are of the same specification, and No. 1 positioning knob, No. 2 positioning knob, No. 3 positioning knob and No. 4 positioning knob are arranged on the On the same side, the No. 1 positioning knob, the No. 2 positioning knob, the No. 3 positioning knob and the No. 4 positioning knob are arranged on the same side for the user to adjust and observe the angle change.

The utility model has the following beneficial effects:

1. The utility model can draw various types of mathematical patterns by setting up the plotter structure and through the mutual cooperation of the first leg, the second leg and the third leg, so that the applicability is wider.

2. The utility model is provided with a scale bar and an angle disc. During the use of the plotter, the scale bar assists mathematics teaching staff to draw and measure graphics, and the angle disc is used to reflect the included angle of the corresponding position as reference data for drawing. , making the plotter multifunctional.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

Fig. 1 is the main structure schematic diagram of the utility model;

Fig. 2 is the terminal connection schematic diagram in the utility model;

Figure 3 is a schematic structural diagram of the No. 1 positioning knob in the utility model.

In the accompanying drawings, the list of components represented by each number is as follows:

1. Plotter; 101, first foot; 102, second foot; 103, third foot; 104, No. 1 positioning knob; 105, No. 2 positioning knob; 106, No. 3 positioning knob; 107, No. 4 positioning knob ; 108, the end; 109, the scale bar; 110, the arm; 111, the threaded column; 112, the thread groove; 2, the rotating pair; 3, the angle plate.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

1-3, the present invention is a multi-function drawing tool for mathematics teaching, including a plotter 1, the plotter 1 includes a first leg 101 and a second leg 102 at the intersection connected to a positioning knob 104, The end of the first leg 101 is movably connected inside the end of the second leg 102, and does not deviate from each other under the action of the No. 1 positioning knob 104;

The intersection of the third leg 103 and the first leg 101 included in the plotter 1 is connected with a second positioning knob 105 , the end of the third leg 103 is arranged inside the first leg 101 , and the second positioning knob 105 is located in the first leg 101 The middle part is on the upper side, under the action of the No. 2 positioning knob 105, the first leg 101 and the third leg 103 cannot be separated from each other;

The first leg 101 , the second leg 102 and the third leg 103 are arranged through the middle, and the third leg 103 is shorter than the first leg 101 and the second leg 102 , and the first leg 101 and the second leg 102 have the same length. The first leg 101 , the second leg 102 and the third leg 103 are used in conjunction with each other, and with the end 108 , patterns of different shapes can be drawn, such as circle, rotation, etc.

A third positioning knob 106 is connected at the intersection of the support arm 110 and the second support foot 102 included in the plotter 1 . position, and the No. 3 positioning knob 106 does not disengage between the fixed support arm 110 and the second support foot 102;

No. 4 positioning knob 107 is connected at the intersection of the third leg 103 and the supporting arm 110 , the lower end of the supporting arm 110 is movably connected to the interior of the No. 4 positioning knob 107 , and the third leg 103 and the supporting arm 110 are connected to the No. 4 positioning knob 107 Under the action of each other, they do not separate from each other;

A scale bar 109 is provided on the outer edge of the first leg 101, and the scale bar 109 is used for mathematics teaching staff to measure dimensions and as a drawing reference standard;

Any end of the first leg 101, the second leg 102 or the third leg 103 is threadedly connected with a terminal 108, and the terminal 108 structure set in the corresponding position is determined according to the drawing requirements to realize the drawing of different graphics;

The end head 108 type is provided with a drawing end and a positioning end. The end head 108 decides to install the drawing end or the positioning end according to the usage requirements. The drawing end is used for drawing, and the positioning end is used for fixing the position of the corresponding supporting foot structure;

Any one of the No. 1 positioning knob 104, the No. 2 positioning knob 105, the No. 3 positioning knob 106 or the No. 4 positioning knob 107 is provided with an angle plate 3 on the peripheral side of the rotating pair 2, and the upper end of the rotating pair 2 is protruding. It is used for manual twisting by the user, and the lower end of the rotating pair 2 penetrates the corresponding position to realize its own connection. During the rotation process of the rotating pair 2, the change of the corresponding position with the angle plate 3 can obtain the change of the angle. as drawing reference data;

One end of the first leg 101 and the second leg 102, the third leg 103 and the first leg 101, and the end of the support arm 110 and the third leg 103 are all recessed. The recess is used for the movement between the first support leg 101 and the second support leg 102. Similarly, the recess provided at the end of the third support leg 103 is used for the movement between the third support leg 103 and the first support leg 101. The recess provided at one end of the support arm 110 For the movement between the support arm 110 and the third support foot 103;

No. 1 positioning knob 104, No. 2 positioning knob 105, No. 3 positioning knob 106 and No. 4 positioning knob 107 are of the same specification, and No. 1 positioning knob 104, No. 2 positioning knob 105, No. 3 positioning knob 106 and No. 4 positioning knob 107 are arranged on the same side, and the No. 1 positioning knob 104, No. 2 positioning knob 105, No. 3 positioning knob 106 and No. 4 positioning knob 107 are arranged on the same side for the user to adjust and observe the angle change.

As shown in FIG. 2 , a threaded post 111 is fixedly connected to the center of the inner end of the end head 108 , and the threaded post 111 is threadedly connected to the interior of any one of the first leg 101 , the second leg 102 or the third leg 103 . In the provided threaded groove 112 , under the action of the threaded post 111 and the threaded groove 112 , the end head 108 and the corresponding supporting foot structure maintain a fixed position.

The above are only the preferred embodiments of the present utility model, and do not limit the present utility model. Any modification to the technical solutions described in the foregoing embodiments, equivalent replacement of some of the technical features therein, any modification, equivalent replacement or improvement made , all belong to the protection scope of the present invention.

Claims (6)

1. The multifunctional drawing tool for the mathematical education comprises a plotter (1), and is characterized in that the plotter (1) comprises a first supporting leg (101) and a second supporting leg (102), wherein a first positioning knob (104) is connected at the intersection of the first supporting leg and the second supporting leg;

a second positioning knob (105) is connected to the intersection of a third supporting leg (103) and the first supporting leg (101) of the plotter (1);

the cross part of the support arm (110) and the second support leg (102) of the plotter (1) is connected with a third positioning knob (106);

a fourth positioning knob (107) is connected to the intersection of the third supporting leg (103) and the supporting arm (110);

the outer edge of the first supporting leg (101) is provided with a scale bar (109);

an end head (108) is in threaded connection with any one end of the first supporting leg (101), the second supporting leg (102) or the third supporting leg (103);

an angle scale (3) is arranged on the peripheral side of a rotating pair (2) included by any one of the first positioning knob (104), the second positioning knob (105), the third positioning knob (106) or the fourth positioning knob (107).

2. The multifunctional drawing tool for mathematics teaching as claimed in claim 1, wherein said first, second and third legs (101, 102, 103) are arranged through the middle, and the third leg (103) is shorter than the first and second legs (101, 102), and the first and second legs (101, 102) have the same length.

3. The multifunctional drawing tool for mathematics teaching as claimed in claim 1, wherein a threaded column (111) is fixedly connected to the center position of the inner end of said head (108), and the threaded column (111) is screwed into a threaded groove (112) formed inside any one of the first leg (101), the second leg (102) or the third leg (103).

4. The multi-purpose drawing tool for mathematical education as claimed in claim 1 wherein said tip (108) is of the type having a drawing end and a positioning end.

5. The multifunctional drawing tool for mathematics teaching as claimed in claim 1, wherein the end where the first supporting leg (101) and the second supporting leg (102) are connected, the end where the third supporting leg (103) and the first supporting leg (101) are connected, and the end where the supporting arm (110) and the third supporting leg (103) are connected are all concave.

6. The multifunctional drawing tool for mathematics teaching as claimed in claim 1, wherein said first positioning knob (104), second positioning knob (105), third positioning knob (106) and fourth positioning knob (107) are of the same specification, and said first positioning knob (104), second positioning knob (105), third positioning knob (106) and fourth positioning knob (107) are arranged on the same surface.

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