CN214449830U - Higher mathematics plotter - Google Patents
Higher mathematics plotter Download PDFInfo
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- CN214449830U CN214449830U CN202120415533.1U CN202120415533U CN214449830U CN 214449830 U CN214449830 U CN 214449830U CN 202120415533 U CN202120415533 U CN 202120415533U CN 214449830 U CN214449830 U CN 214449830U
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Abstract
The utility model discloses an advanced mathematics plotter, which comprises a first right-angle edge, a second right-angle edge, a bevel edge and a telescopic box, wherein the first right-angle edge and the second right-angle edge are hinged, and the front side of the hinged position is provided with a protractor; the front sides of the first right-angle edge and the second right-angle edge are respectively provided with a telescopic box, a sliding groove is arranged in each telescopic box, a plurality of limiting screw holes are formed in each sliding groove, a sliding rod is arranged in each sliding groove, and a butterfly bolt is arranged at the top of each sliding rod; an arc-shaped inserting groove is formed in the lower portion of the first right-angle edge, a first fixing hole is formed in the front side of the arc-shaped inserting groove, and a special-shaped inserting groove is formed in the lower portion of the second right-angle edge; the left side of the bevel edge is provided with an arc-shaped splicing block matched with the arc-shaped splicing groove, and the right side of the bevel edge is provided with a special-shaped splicing block matched with the special-shaped splicing groove; the utility model has the advantages of simple structure, reasonable design, convenient use and various functions.
Description
Technical Field
The utility model belongs to the technical field of mathematical education equipment structural design, in particular to higher mathematics plotter.
Background
In high mathematics teaching in-process, the teacher need use the teaching ruler to draw the figure on the blackboard, help the student to understand like this, at present, the teaching aid function that the teacher used is all more single, so that all need take multiple drawing device when the teacher goes to class, for example drawing ruler, compasses etc., the teacher gives lessons and will use different drawing instrument when the blackboard drawing, indicate for the student again simultaneously, drawing ruler function ratio commonly used is single, the drawing device that needs to carry when needing to draw multiple figure is more, occupation space is big, inconvenient carrying, in order to solve the shortcoming that exists on the existing market, the technique of teaching device is urgently needed to be improved, can be better carry out teaching work, provide a good environment for the high mathematics drawing of student study, therefore, the utility model provides a high mathematics plotter.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an advanced mathematics plotter has simple structure, reasonable in design, convenient to use, the manifold advantage of function.
In order to achieve the above object, the utility model provides a following technical scheme: a higher mathematics plotter comprises a first right-angle edge, a second right-angle edge, a bevel edge and a telescopic box, wherein the first right-angle edge and the second right-angle edge are hinged, and a protractor fixed on the first right-angle edge is arranged on the front side of the hinged position; the front sides of the first right-angle side and the second right-angle side are both provided with a telescopic box, the inside of the telescopic box is provided with a sliding groove, the bottom of the inner side of the sliding groove is uniformly provided with a plurality of limiting screw holes, a sliding rod is arranged in the sliding groove, and the top of the sliding rod is in threaded connection with a butterfly bolt matched with the limiting screw holes; a positioning needle is arranged at the bottom of the sliding rod in the telescopic box on the first right-angle side, and a pen cap is arranged at the bottom of the sliding rod in the telescopic box on the second right-angle side; an arc-shaped inserting groove is formed in the lower portion of the first right-angle edge, a first fixing hole is formed in the front side of the arc-shaped inserting groove, and a special-shaped inserting groove is formed in the lower portion of the second right-angle edge; an arc-shaped inserting block matched with the arc-shaped inserting groove is arranged on the left side of the oblique edge, a second fixing hole corresponding to the first fixing hole is formed in the arc-shaped inserting block, and fixing bolts are arranged on the first fixing hole and the second fixing hole; and the right side of the bevel edge is provided with a special-shaped inserting block matched with the special-shaped inserting groove.
Preferably, the middle parts of the first right-angle side and the second right-angle side are provided with center lines, and the inclined sides are provided with scale marks.
Preferably, the circle center of the protractor coincides with the intersection point of the two center lines, and the start scale on the protractor is aligned with the center line on the first right-angle side.
Preferably, the center lines of the two slide bars are aligned with the two center lines, respectively.
Preferably, the special-shaped inserting groove and the special-shaped inserting block are both in a right trapezoid shape, and the long bottom edge is arranged to the outside.
Preferably, the first right-angle edge, the second right-angle edge and the bevel edge are made of aluminum alloy materials, and the thickness of the first right-angle edge, the thickness of the second right-angle edge and the thickness of the bevel edge are not more than 0.5 cm.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model is provided with a first right-angle side, a second right-angle side and a bevel edge, and the first right-angle side, the second right-angle side and the bevel edge can be matched to form a set square, so that teachers can draw figures such as straight lines, triangles and the like conveniently; the utility model is provided with a protractor, and the graph angle can be measured by matching the first right-angle edge and the second right-angle edge; the bevel edge of the utility model can be disassembled, and the scale mark is arranged on the bevel edge, thereby being convenient for teachers to measure the length; after the bevel edge is detached, the first right-angle edge and the second right-angle edge can form a compass, a chalk or an oil pen is arranged in the pen cap, so that teachers can draw arc lines or circles conveniently; the utility model has the advantages of simple structure and reasonable design, convenient to use, function are various.
Drawings
Fig. 1 is a schematic structural view of the present invention when combined.
Fig. 2 is the schematic diagram of the first right-angle side and the second right-angle side after the split of the utility model.
Fig. 3 is the schematic structural diagram of the bevel edge after the split of the present invention.
In the figure: 1. the pen holder comprises a first right-angle edge, a second right-angle edge, a protractor, a central line, a telescopic box, a sliding groove, a sliding rod, a butterfly bolt, a positioning pin, a pen cap, a pen holder, 11, a bevel edge, 12, a fixing bolt, a limiting screw hole, a first fixing hole, a second fixing hole, an arc-shaped inserting groove, a first fixing hole, a second fixing hole, a special-shaped inserting groove, a second fixing hole, a special-shaped inserting block, a second fixing hole, a first fixing hole, a second fixing hole, a special-shaped inserting groove and a second fixing hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the embodiment provides a higher mathematics plotter, which includes a first right-angle side 1, a second right-angle side 2, a bevel side 11 and a telescopic box 5, wherein the first right-angle side 1 and the second right-angle side 2 are hinged, and a protractor 3 fixed on the first right-angle side 1 is arranged on the front side of the hinged position; the front sides of the first right-angle side 1 and the second right-angle side 2 are both provided with a telescopic box 5, a sliding groove 6 is arranged inside the telescopic box 5, the bottom of the inner side of the sliding groove 6 is uniformly provided with a plurality of limiting screw holes 13, a sliding rod 7 is arranged in the sliding groove 6, and the top of the sliding rod 7 is in threaded connection with a butterfly bolt 8 matched with the limiting screw holes 13; a positioning needle 9 is arranged at the bottom of a sliding rod 7 in the telescopic box 5 on the first right-angle side 1, and a pen cap 10 is arranged at the bottom of the sliding rod 7 in the telescopic box 5 on the second right-angle side 2; an arc-shaped inserting groove 15 is formed in the lower portion of the first right-angle edge 1, a first fixing hole 14 is formed in the front side of the arc-shaped inserting groove 15, and a special-shaped inserting groove 18 is formed in the lower portion of the second right-angle edge 2; an arc-shaped inserting block 16 matched with the arc-shaped inserting groove 15 is arranged on the left side of the bevel edge 11, a second fixing hole 17 corresponding to the first fixing hole 14 is formed in the arc-shaped inserting block 16, and fixing bolts 12 are arranged on the first fixing hole 14 and the second fixing hole 17; the right side of the bevel edge 11 is provided with a special-shaped inserting block 19 matched with the special-shaped inserting groove 18.
In order to measure an angle by using the protractor 3, in this embodiment, the central lines 4 are disposed in the middle of the first right-angle side 1 and the second right-angle side 2, and the oblique side 11 is provided with scale marks.
In order to facilitate drawing and measuring angles, in this embodiment, the circle center of the protractor 3 coincides with the intersection point of the two center lines 4, and the start scale on the protractor 3 is aligned with the center line 4 on the first right-angle side 1.
For the sake of convenience in drawing an arc, in this embodiment, the center lines of the two slide bars 7 are aligned with the two center lines 4, respectively.
In order to prevent the utility model discloses hypotenuse 11 drops when the set-square uses, in this embodiment, heterotypic inserting groove 18 and heterotypic inserted block 19 are right trapezoid, and the long bottom sets up to the outside.
In order to promote the utility model discloses a structural strength and weight reduction to reduce the deformation when making up into the set-square, in this embodiment, first right-angle side 1, second right-angle side 2 and hypotenuse 11 all adopt aluminum alloy material, and its thickness is no longer than 0.5 cm.
The utility model discloses a theory of operation: the utility model has a plurality of using modes, when the triangle is combined to be used, the special-shaped splicing block 18 on the bevel edge 11 is firstly installed in the special-shaped splicing groove 19, then the arc-shaped splicing groove 15 is sleeved on the arc-shaped splicing block 16 and is fixed by the fixing bolt 12, and the sliding rod 7 is retracted into the telescopic box 5 when in use; when the compasses are used as the compasses, the two sliding rods 7 slide out of the telescopic box 5, the two sliding rods 7 are fixed by the butterfly bolts 8 and the limiting screw holes 13, the extending lengths of the sliding rods 7 are adjustable, the butterfly bolts 8 are installed in different limiting screw holes 13, after the sliding rods 7 are fixed, oil pens or chalks are installed in the pen sleeve 10, and the compasses can be used for drawing circles or arcs by matching with the positioning pins 9; the novel angle gauge 3 is used, and the angle of the graph can be measured by matching the first right-angle edge 1 and the second right-angle edge 2, or a specified angle can be drawn; when reading the angle, the inclined edge 11 can be aligned with the central line 4 on the second right-angle edge 2 to assist in reading the angle; the utility model has the advantages of simple structure and reasonable design, convenient to use, function are various.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an advanced mathematics plotter, includes first right-angle side, second right-angle side, hypotenuse and flexible box, its characterized in that: the first right-angle edge is hinged with the second right-angle edge, and a protractor fixed on the first right-angle edge is arranged on the front side of the hinged position; the front sides of the first right-angle side and the second right-angle side are both provided with a telescopic box, the inside of the telescopic box is provided with a sliding groove, the bottom of the inner side of the sliding groove is uniformly provided with a plurality of limiting screw holes, a sliding rod is arranged in the sliding groove, and the top of the sliding rod is in threaded connection with a butterfly bolt matched with the limiting screw holes; a positioning needle is arranged at the bottom of the sliding rod in the telescopic box on the first right-angle side, and a pen cap is arranged at the bottom of the sliding rod in the telescopic box on the second right-angle side; an arc-shaped inserting groove is formed in the lower portion of the first right-angle edge, a first fixing hole is formed in the front side of the arc-shaped inserting groove, and a special-shaped inserting groove is formed in the lower portion of the second right-angle edge; an arc-shaped inserting block matched with the arc-shaped inserting groove is arranged on the left side of the oblique edge, a second fixing hole corresponding to the first fixing hole is formed in the arc-shaped inserting block, and fixing bolts are arranged on the first fixing hole and the second fixing hole; and the right side of the bevel edge is provided with a special-shaped inserting block matched with the special-shaped inserting groove.
2. A higher math plotter according to claim 1, characterized in that: the middle parts of the first right-angle side and the second right-angle side are both provided with center lines, and the inclined sides are provided with scale marks.
3. A higher mathematics plotter according to claim 2, characterized in that: the circle center of the protractor coincides with the intersection point of the two central lines, and the starting scale on the protractor is aligned with the central line on the first right-angle side.
4. A higher mathematics plotter according to claim 2, characterized in that: the center lines of the two sliding rods are respectively aligned with the two center lines.
5. A higher math plotter according to claim 1, characterized in that: the special-shaped inserting groove and the special-shaped inserting block are both in a right trapezoid shape, and the long bottom edge is arranged to the outer side.
6. A higher math plotter according to claim 1, characterized in that: the first right-angle edge, the second right-angle edge and the bevel edge are all made of aluminum alloy materials, and the thickness of the first right-angle edge, the thickness of the second right-angle edge and the thickness of the bevel edge are not more than 0.5 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120415533.1U CN214449830U (en) | 2021-02-25 | 2021-02-25 | Higher mathematics plotter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120415533.1U CN214449830U (en) | 2021-02-25 | 2021-02-25 | Higher mathematics plotter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214449830U true CN214449830U (en) | 2021-10-22 |
Family
ID=78145911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120415533.1U Active CN214449830U (en) | 2021-02-25 | 2021-02-25 | Higher mathematics plotter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214449830U (en) |
-
2021
- 2021-02-25 CN CN202120415533.1U patent/CN214449830U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Henan Zhijiao Education Technology Co.,Ltd. Assignor: ZHENGZHOU INSTITUTE OF FINANCE AND ECONOMICS Contract record no.: X2023980034816 Denomination of utility model: A Kind of Advanced Mathematics Plotter Granted publication date: 20211022 License type: Exclusive License Record date: 20230419 |
|
| EE01 | Entry into force of recordation of patent licensing contract |