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

Multifunctional drawing tool for mathematical teaching

Technical Field

The utility model belongs to the technical field of teaching appurtenance, especially, relate to a multi-functional graphics primitive is used in mathematical education.

Background

Mathematics is a subject of the concepts such as research quantity, structure, change, space and information, belongs to a form science from a certain angle, consequently in mathematical education, the explanation in the aspect of the geometric figure is indispensable, and the teaching personnel need rely on drawing tool at the in-process of drawing the figure, and the figure of drawing like this is vivid more, also lets the student understand easily, but present drawing tool still has following drawback in the in-service use:

1. the existing drawing tool for mathematical education can only draw a single pattern, so that different tools are needed when drawing different patterns, and the applicability is low;

2. the existing drawing tool for mathematical teaching has single function and does not have the functions of measuring length and angle and the like.

Therefore, the existing drawing tool for mathematical education cannot meet the requirements in practical use, so that an improved technology is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional graphics primitive is used in mathematical education draws the figure through setting up the plotter, has solved current graphics primitive function singleness for mathematical education, problem that the suitability degree is low

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a multifunctional drawing tool for mathematical education, which 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;

a second positioning knob is connected to the intersection of a third supporting leg and the first supporting leg of the plotter;

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 supporting leg and the supporting arm;

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

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.

Further, first stabilizer blade, second stabilizer blade and third stabilizer blade middle part are and link up the setting, and the relative first stabilizer blade of third stabilizer blade and second stabilizer blade are shorter, and first stabilizer blade is the same with second stabilizer blade length, and first stabilizer blade, second stabilizer blade and the mutual collocation of third stabilizer blade are used, and the cooperation end can draw out the pattern of different shapes, if, circle, revolve etc..

Furthermore, a threaded column is fixedly connected to the center of the inner end of the end head, the threaded column is in threaded connection with a threaded groove formed in the inner portion of any one of the first supporting leg, the second supporting leg or the third supporting leg, and the end head and the corresponding supporting leg structure are kept in fixed positions under the action of the threaded column and the threaded groove.

Furthermore, the end type is provided with drawing end and location end, and the end is according to the use demand decision installation drawing end or location end, and the drawing end is used for drawing the use, and the location end is used for cooperating the stabilizer blade structure rigidity that corresponds.

Further, the one end that first stabilizer blade and second stabilizer blade are bordered, the one end that third stabilizer blade and first stabilizer blade are bordered and the one end that the support arm and third stabilizer blade are bordered all are sunken to set up, and the sunken activity that is used for between first stabilizer blade and the second stabilizer blade of first stabilizer blade tip setting, and similarly, the sunken activity that is used for between third stabilizer blade and the first stabilizer blade that third stabilizer blade tip set up, the sunken activity that is used for between support arm and the third stabilizer blade that support arm one end set up.

Furthermore, No. one location knob, No. two location knobs, No. three location knob and No. four location knob are same specification, and No. one location knob, No. two location knob, No. three location knob and No. four location knob set up in same side, and No. one location knob, No. two location knob, No. three location knob and No. four location knob set up at same side convenient to use person and adjust and observe the angle change.

The utility model discloses following beneficial effect has:

1. the utility model discloses a set up the plotter structure, use through mutually supporting of first stabilizer blade, second stabilizer blade and third stabilizer blade, can draw polytype mathematical pattern to the suitability is wider.

2. The utility model discloses a set up scale bar and angle scale, in the use of plotter, the supplementary mathematics teaching personnel of scale bar draws and measures the figure, and the angle scale is then used for reflecting the contained angle that corresponds the position, as the drawing reference data for the plotter has multi-functional effect.

Drawings

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

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of the connection of the end of the present invention;

fig. 3 is a schematic view of the structure of the positioning knob of the first embodiment of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a plotter; 101. a first leg; 102. a second leg; 103. a third leg; 104. a first positioning knob; 105. a second positioning knob; 106. a third positioning knob; 107. a fourth positioning knob; 108. a tip; 109. a scale bar; 110. a support arm; 111. a threaded post; 112. a thread groove; 2. a revolute pair; 3. and (5) an angle scale.

Detailed Description

The technical solution 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.

Referring to fig. 1-3, the utility model relates to a multifunctional drawing tool for mathematical education, which comprises a plotter 1, wherein the plotter 1 comprises a first support leg 101 and a second support leg 102, the cross section of the first support leg 101 and the second support leg 102 is connected with a first positioning knob 104, the end part of the first support leg 101 is movably connected inside the end part of the second support leg 102, and the first positioning knob 104 and the second support leg are not deviated from each other;

the cross part of a third supporting leg 103 and a first supporting leg 101 of the plotter 1 is connected with a second positioning knob 105, the end part of the third supporting leg 103 is arranged in the first supporting leg 101, the second positioning knob 105 is positioned at the upper middle part of the first supporting leg 101, and the first supporting leg 101 and the third supporting leg 103 cannot be separated from each other under the action of the second positioning knob 105;

the middle parts of the first supporting leg 101, the second supporting leg 102 and the third supporting leg 103 are arranged in a penetrating way, the third supporting leg 103 is shorter than the first supporting leg 101 and the second supporting leg 102, the first supporting leg 101 is as long as the second supporting leg 102, the first supporting leg 101, the second supporting leg 102 and the third supporting leg 103 are matched with one another for use, and the matched end head 108 can draw patterns with different shapes, such as circles, spirals and the like

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, the end part of the support arm 110 is movably connected inside the second support leg 102, the third positioning knob 106 is positioned in the middle of the second support leg 102, and the third positioning knob 106 is fixed between the support arm 110 and the second support leg 102 and is not separated;

a fourth positioning knob 107 is connected at the intersection of the third support leg 103 and the support arm 110, the lower end of the support arm 110 is movably connected inside the fourth positioning knob 107, and the third support leg 103 and the support arm 110 are not separated from each other under the action of the fourth positioning knob 107;

the outer edge of the first support leg 101 is provided with a scale bar 109, and the scale bar 109 is used for measuring the size of a mathematic teaching worker and is used as a drawing reference standard;

any one end part of the first supporting leg 101, the second supporting leg 102 or the third supporting leg 103 is in threaded connection with an end head 108, and the structure of the end head 108 arranged at the corresponding position is determined according to drawing requirements, so that different figures can be drawn;

the end head 108 is provided with a drawing end and a positioning end in a type, the end head 108 determines to install the drawing end or the positioning end according to use requirements, the drawing end is used for drawing, and the positioning end is used for being matched with a corresponding support leg structure to be fixed in position;

any one of the first positioning knob 104, the second positioning knob 105, the third positioning knob 106 or the fourth positioning knob 107 comprises an angle scale 3 on the periphery of a rotating pair 2, the upper end of the rotating pair 2 is convexly arranged and used for being manually screwed by a user, the lower end of the rotating pair 2 penetrates through a corresponding position to realize the connection effect of the rotating pair 2, and the change of the angle can be obtained by the change of the corresponding position of the rotating pair 2 and the angle scale 3 in the rotating process and is used as drawing reference data;

the junction end of the first support leg 101 and the second support leg 102, the junction end of the third support leg 103 and the first support leg 101, and the junction end of the support arm 110 and the third support leg 103 are all arranged in a concave manner, the concave portion arranged at the end of the first support leg 101 is used for the movement between the first support leg 101 and the second support leg 102, similarly, the concave portion arranged 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, and the concave portion arranged at one end of the support arm 110 is used for the movement between the support arm 110 and the third support leg 103;

no. one location knob 104, No. two location knob 105, No. three location knob 106 and No. four location knob 107 are same specification, and No. one location knob 104, No. two location knob 105, No. three location knob 106 and No. four location knob 107 set up in the same face and be convenient for the user to adjust and observe the angle change.

As shown in fig. 2, a threaded post 111 is fixedly connected to a central position of an inner end of the head 108, the threaded post 111 is screwed into a threaded groove 112 formed in an inner portion of any one of the first leg 101, the second leg 102, or the third leg 103, and the head 108 and the corresponding leg structure are kept fixed in position under the action of the threaded post 111 and the threaded groove 112.

The above is only the preferred embodiment of the present invention, and the present invention is not limited thereto, any technical solutions recorded in the foregoing embodiments are modified, and some technical features thereof are replaced with equivalent ones, and any modification, equivalent replacement, and improvement made thereby 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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