CN208664729U - A kind of mathematics plotter - Google Patents

Abstract

The utility model discloses a kind of mathematics plotters, including protractor, ruler and sliding slot, sliding slot is fixedly installed at the top of the ruler, the internal slide of the sliding slot is equipped with clamping head, the side of the ruler leading flank is fixedly installed with center of circle block, the side of the ruler trailing flank, which is fixedly installed with, deposits a shell, and the ruler trailing flank is fixedly installed with protractor at the position for depositing a shell.The beneficial effects of the utility model are: the mathematics plotter is equipped with sliding slot and center of circle block on ruler, clamping head is installed inside sliding slot, paintbrush can be directly installed on clamping head, clamping head can be in sliding slot internal slide, and directly distance determines center of circle radius to adjustable clamping head to center of circle block, using center of circle block as centre point, then rotation ruler carries out picture circle, round radius can be more accurately set in this way, be easy to use quick, avoid excessive operating procedure.

Description

A kind of mathematics plotter

Technical field

The utility model relates to teaching apparatus for mathematics technical field, specially a kind of mathematics plotter.

Background technique

In the teaching of many knowledge points of Mathematics Curriculum, drawing is essential, teacher's needs during drawing The drawing tool used is varied, simply be exactly line segment class drafting, complicated meeting be related to circle, arc, irregularly Figure etc..

Sometimes when drawing, it is often necessary to repeatedly use ruler, compasses, protractor and map, need frequently to replace Drawing tool is drawn, and the plenty of time is wasted, and be easy to draw in the frequent replacement process and mistake occur, usually In Plot Work, when needing to draw bowlder using compasses, need to measure the distance between compasses with ruler to determine in advance Radius, makes to draw diameter of a circle and meets the requirements, and operates pretty troublesome, and it is easy to appear errors in the process.

Utility model content

The purpose of this utility model is to provide a kind of mathematics plotters, to solve mentioned above in the background art ask Topic.

To achieve the above object, the utility model provides the following technical solutions: a kind of mathematics plotter, including protractor, Ruler and sliding slot are fixedly installed with sliding slot at the top of the ruler, and the internal slide of the sliding slot is equipped with clamping head, described straight The side of ruler leading flank is fixedly installed with center of circle block, and the side of the ruler trailing flank, which is fixedly installed with, deposits a shell, the ruler Trailing flank is fixedly installed with protractor at the position for depositing a shell.

Preferably, described deposit is fixedly installed with baffle, the inside for depositing a shell at the position of side inside a shell It is placed with paintbrush, the side for depositing a shell is fixedly installed with knob lid, and the end point of knob lid is equipped with limiting slot.

Preferably, the central position of the clamping head is equipped with paintbrush jack, and the side of the clamping head is fixedly installed with Fastening bolt, fastening bolt extend in paintbrush jack, and the end point of fastening bolt is fixedly installed with arc jacking block, arc jacking block End point be adhesive with arc non-slip mat, one end of the clamping head is fixedly installed with sliding block, and slider top is close to clamping head Caging bolt is fixedly installed at position.

Preferably, the center of circle block is fixedly installed with threaded post by screw hole, and the bottom of threaded post is fixedly installed with circular cone Block is fixedly installed with stubborn block at the top of threaded post.

Preferably, the side of the ruler is fixedly installed with handle, and the hand-held place of handle is cased with Anti-slip cover.

Compared with prior art, the utility model has the beneficial effects that the mathematics plotter is equipped with sliding slot on ruler With center of circle block, clamping head is installed inside sliding slot, paintbrush can be directly installed on clamping head, and clamping head is sliding inside sliding slot Dynamic, directly distance determines then center of circle radius rotates ruler using center of circle block as centre point to adjustable clamping head to center of circle block Picture circle is carried out, round radius can be more accurately set in this way, is easy to use quick, avoids excessive operating procedure, The mathematics plotter is equipped with protractor on ruler, makes the functional diversities of the mathematics plotter, can both measure length and Angle, the picture that can also cross circle, can basically meet conventional drawing, not have to frequently replacement drawing during drawing Tool.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the schematic side view of the utility model；

Fig. 3 deposits a shell structure figure for the utility model；

Fig. 4 is the clamping head structure chart of the utility model；

Fig. 5 is the center of circle block structural diagram of the utility model.

In figure: 1, protractor；2, a shell is deposited；201, baffle；202, paintbrush；203, limiting slot；204, knob lid；3, straight Ruler；4, clamping head；401, sliding block；402, caging bolt；403, arc non-slip mat；404, fastening bolt；405, arc jacking block； 406, paintbrush jack；5, sliding slot；6, center of circle block；601, block is twisted；602, threaded post；603, conical blocks；604, screw hole.

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.

In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside" " front end ", " after The orientation or positional relationship of the instructions such as end ", " both ends ", " one end ", " other end " is that orientation based on the figure or position are closed System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, Term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " being provided with ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, be also possible to detachably connect It connects, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediate matchmaker can also be passed through Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition Understand the concrete meaning of above-mentioned term in the present invention.

Fig. 1-5 is please referred to, a kind of embodiment provided by the utility model: a kind of mathematics plotter, including it is protractor 1, straight Ruler 3 and sliding slot 5, the side of 3 trailing flank of ruler, which is bolted to be equipped with, deposits a shell 2, and paintbrush 202 can be placed by depositing a shell 2, It draws bowlder and directly takes out paintbrush 202 inside shell 2 from depositing, light and handy convenient, 3 trailing flank of ruler is close to the position for depositing a shell 2 Place, which is bolted, is equipped with protractor 1, which can carry out angle measurement by protractor 1, and the top of ruler 3 is logical It crosses bolt and is fixedly installed with sliding slot 5, clamping head 4 can be moved freely in sliding slot 5, the radius of picture circle is determined with this, It is not in error, the inside of sliding slot 5 is slidably fitted with clamping head 4 by sliding block 401, and clamping head 4 can carry out paintbrush 202 Fixed, then rotary ruler combination 3, carry out picture circle by paintbrush 202, the side of 3 leading flank of ruler, which is bolted, is equipped with circle Heart block 6 is drawing bowlder, and ruler 3 carries out picture circle around the rotation of center of circle block 6.

Further, it deposits 2 inside of a shell and baffle 201 is bonded with by glue at the position of side, placed in paintbrush 202 When depositing 2 inside of shell, baffle 201, which can block paintbrush 202, to be led, and the nib of paintbrush 202 is avoided to be damaged with depositing a shell 2 and touch Bad, the inside for depositing a shell 2 is placed with paintbrush 202, and the side for depositing a shell 2 is fixedly installed with knob lid 204 by helicitic texture, rotation Button lid 204 can be sealed 2 end of a shell is deposited, and prevent paintbrush 202 from depositing the damage that falls off inside a shell 2, the end of knob lid 204 Place is equipped with limiting slot 203, and one end of paintbrush 202 is located at the inside of limiting slot 203, prevents paintbrush 202 from occurring depositing inside a shell 2 It shakes, damage is generated to paintbrush 202.

Further, the central position of clamping head 4 is equipped with paintbrush jack 406, and the side of clamping head 4 is solid by helicitic texture Dingan County is equipped with fastening bolt 404, and fastening bolt 404 extends in paintbrush jack 406, is drawing bowlder, paintbrush 202 is inserted in paintbrush Then jack 406 is fixed on paintbrush 202 in paintbrush jack 406 by fastening bolt 404, the end point weldering of fastening bolt 404 It is connected to arc jacking block 405, the end point of arc jacking block 405 is adhesive with arc non-slip mat 403, and arc jacking block 405 can increase tightly The contact area of fixing bolt 404 and paintbrush 202, fastening bolt 404 can paintbrush 202 it is stronger be installed on paintbrush jack In 406, arc non-slip mat 403 prevents paintbrush 202 from sliding inside paintbrush jack 406, and one end of clamping head 4 is welded with cunning Block 401,401 top of sliding block are fixedly installed with caging bolt 402, sliding block 401 by helicitic texture at the position of clamping head 4 Clamping head 4 can be made to be slided inside sliding slot 5, round radius is determined with this, after radius determines, twisting limit spiral shell Bolt 402, the bottom for making its bottom end withstand sliding slot 5 are fixed.

Further, center of circle block 6 is fixedly installed with threaded post 602 by screw hole 604, and the bottom of threaded post 602 is fixedly mounted There are conical blocks 603, the top of threaded post 602 is fixedly installed with stubborn block 601, twists and twists block 601, allows threaded post 602 in spiral shell It stretches inside hole 604, needs picture bowlder, so that conical blocks 603 is extended the fixed center of circle in 6 bottom of center of circle block and carry out picture circle, After use, twists and twist block 601, so that conical blocks 603 is located at the inside of center of circle block 6, prevent conical blocks 603 from making to operator At injury.

Further, the side of ruler 3, which is bolted, is equipped with handle, and the hand-held place of handle is cased with Anti-slip cover, During use, handle holds the plotter convenient for operator, and Anti-slip cover prevents operator from occurring during hand-held Sliding.

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.

Claims (5)

1. a kind of mathematics plotter, including protractor, ruler and sliding slot, it is characterised in that: the top of the ruler is fixedly mounted There is sliding slot, the internal slide of the sliding slot is equipped with clamping head, and the side of the ruler leading flank is fixedly installed with center of circle block, institute The side for stating ruler trailing flank, which is fixedly installed with, deposits a shell, and the ruler trailing flank is fixedly installed at the position for depositing a shell Protractor.

2. a kind of mathematics plotter according to claim 1, it is characterised in that: the position deposited inside a shell close to side The place of setting is fixedly installed with baffle, and the inside for depositing a shell is placed with paintbrush, and the side for depositing a shell is fixedly installed with knob The end point of lid, knob lid is equipped with limiting slot.

3. a kind of mathematics plotter according to claim 1, it is characterised in that: the central position of the clamping head is equipped with Paintbrush jack, the side of the clamping head are fixedly installed with fastening bolt, and fastening bolt extends in paintbrush jack, fastening bolt End point be fixedly installed with arc jacking block, the end point of arc jacking block is adhesive with arc non-slip mat, one end of the clamping head It is fixedly installed with sliding block, slider top is fixedly installed with caging bolt at the position of clamping head.

4. a kind of mathematics plotter according to claim 1, it is characterised in that: the center of circle block is fixedly mounted by screw hole There is threaded post, the bottom of threaded post is fixedly installed with conical blocks, stubborn block is fixedly installed at the top of threaded post.

5. a kind of mathematics plotter according to claim 1, it is characterised in that: the side of the ruler is fixedly installed with handle Hand, and the hand-held place of handle is cased with Anti-slip cover.