CN205523251U - Sucking disc formula compasses for advanced math teaching - Google Patents

Abstract

The utility model discloses a sucking disc formula compasses for advanced math teaching, including compasses owner handle, display device is installed to one side of compasses owner handle, the rotary switch is installed to the upper end of compasses owner handle, and the upper end of rotary switch installs sucking disc button, there is the vice handle of compasses one side of compasses owner handle through the hinge mount, the spliced pole is installed to the lower extreme of rotary switch, and the spliced pole is arranged in the inner chamber of compasses owner handle, install the sucking disc post in the inner chamber of spliced pole, and the upper end of sucking disc post extends to the lower extreme of sucking disc button, sucking disc button and sucking disc post electric connection, the electron sucking disc is installed to the lower extreme of sucking disc post, and the lower extreme of the lower extreme of electron sucking disc and compasses owner handle is located a horizontal plane. The utility model discloses convenient to use can let the teacher at the better use compasses of teaching process, can not plague for the user, simultaneously also can the more audio -visual measurement that provides the angle for the user, made things convenient for the user.

Description

A kind of Higher Mathematics Teaching sucker type compass

Technical field

This utility model relates to instructional device technical field, particularly relates to a kind of Higher Mathematics Teaching sucker type compass.

Background technology

The invention of compasses can trace back to the Xia dynasty of China the earliest, " this note of Records of the Historian summer " carries Dayu's water control " left rope; right rule ", in the inscriptions on bones or tortoise shells of B.C. the 15th century, has advised, square two word, it was referred to as " rule " at that time, the i.e. compasses of today, " Zhou Li examines work note artisan " is recorded: " artisan founds the state, and level land is with outstanding; put with outstanding, depending on scape.For rule, the scape knowing sunrise and the scape entered day.Daytime joins the scape in all days, and the pole star examined night, with positive morning and evening.”.Having " Eastern Han Dynasty's Fuxi Chinese mythology goddess brick engraving picture " in the force beam ancestral temple of Jiaxiang, Shandong, wherein Chinese mythology goddess holds rule, and Fuxi holds square, and rule here are palaiotype trammels, and shape is similar to the font in the inscriptions on bones or tortoise shells " last of the ten Heavenly stems ".Paint round drawing instrument.Having two feet, upper end thereof, lower end can arbitrarily separate or close up, to adjust the size of painted arc radius.The end of one foot is needle point, and the end of another foot can load the foot painting pencil line or the line of ink marker.Extension rod loaded onto by some compasses, can draw bigger circle.There are trammel, springer bow and heart bow compasses etc. of living.

But first have ground compasses to be unsuitable for carrying out teaching and use, be inconvenient to fix in the process of use, the use environment that user one is good can not be given well, carry out a good auxiliary in picture circle process can not to user so that user has a lot of inconvenience in use process.

Utility model content

The purpose of this utility model is to solve shortcoming present in prior art, and a kind of Higher Mathematics Teaching sucker type compass proposed.

To achieve these goals, this utility model adopts the technical scheme that

nullA kind of Higher Mathematics Teaching sucker type compass，Including the main handle of compasses，The side of the main handle of described compasses is provided with display device，The upper end of the main handle of described compasses is provided with rotary switch，And the upper end of rotary switch is provided with sucker button，The side of the main handle of described compasses is provided with compasses pair handle by hinge，Described compasses pair handle is connected to Kong Zhu away from one end active card of hinge，One end of described Kong Zhu is provided with chalk Ka Dong，Junction between the main handle of described compasses and compasses pair handle is provided with angel measuring instrument，One end of described hinge is provided with electronic controller，And electronic controller is electrically connected with rotary switch，Between the main handle of described compasses and compasses pair handle, card adapter plate is installed，Inner chamber one end of the main handle of described compasses is provided with secondary handle container，The lower end of described rotary switch is provided with connection post，And connection post is positioned in the inner chamber of the main handle of compasses，The inner chamber of described connection post is provided with sucker post，And the upper end of sucker post extends to the lower end of sucker button，Described sucker button is electrically connected with sucker post，The lower end of described sucker post is provided with electronics sucker，And the lower end of the lower end of electronics sucker and the main handle of compasses is positioned on a horizontal plane.

Preferably, being provided with micro battery in the inner chamber of the main handle of described compasses, and the outside of the main handle of compasses is provided with charging inlet, described charging inlet is electrically connected with accumulator.

Preferably, it is sliding connection structure between described Kong Zhuyu compasses pair handle, and the quantity of the chalk Ka Dong within Kong Zhu is 2-3.

Preferably, the outside of the main handle of described compasses is provided with anti-skidding concave point.

In this utility model, by mount display, so that user is using process understanding angle problem more intuitively, by setting angle measurement apparatus, so that user has a more preferable auxiliary in use process, by installing card adapter plate, can facilitate and major-minor compasses are fixed process, convenient use, by installing sucker, can fix on blackboard with Convenient compasses, convenient use, offer convenience to user.

Accompanying drawing explanation

Fig. 1 is the structural representation of a kind of Higher Mathematics Teaching sucker type compass that the utility model proposes；

Fig. 2 is the internal structure schematic diagram of a kind of Higher Mathematics Teaching sucker type compass that the utility model proposes.

In figure: 1 rotary switch, the 2 main handles of compasses, 3 display devices, 4 compasses pair handles, 5 hole posts, 6 chalk Ka Dong, 7 angel measuring instruments, 8 connection posts, 9 sucker buttons, 10 secondary handle container, 11 electronic controllers, 12 card adapter plates, 13 electronics suckers.

Detailed description of the invention

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.

nullWith reference to Fig. 1-2，A kind of Higher Mathematics Teaching sucker type compass，Including the main handle of compasses 2，The side of the main handle of compasses 2 is provided with display device 3，So that user is using process understanding angle problem more intuitively，The upper end of the main handle of compasses 2 is provided with rotary switch 1，And the upper end of rotary switch 1 is provided with sucker button 9，The side of the main handle of compasses 2 is provided with compasses pair handle 4 by hinge，Compasses pair handle 4 is connected to hole post 5 away from one end active card of hinge，One end of hole post 5 is provided with chalk card hole 6，Junction between the main handle of compasses 2 and compasses pair handle 4 is provided with angel measuring instrument 7，So that user has a more preferable auxiliary in use process，One end of hinge is provided with electronic controller 11，And electronic controller 11 is electrically connected with rotary switch 1，Between the main handle of compasses 2 and compasses pair handle 4, card adapter plate 12 is installed，Can facilitate and major-minor compasses are fixed process，Convenient use，Inner chamber one end of the main handle of compasses 2 is provided with secondary handle container 10，The lower end of rotary switch 1 is provided with connection post 8，And connection post 8 is positioned in the inner chamber of the main handle of compasses 2，Connect in the inner chamber of post 8 and sucker post is installed，And the upper end of sucker post extends to the lower end of sucker button 9，Sucker button 9 is electrically connected with sucker post，Can fix on blackboard with Convenient compasses，Convenient use，Offer convenience to user，The lower end of sucker post is provided with electronics sucker 13，And the lower end of the lower end of electronics sucker 13 and the main handle of compasses 2 is positioned on a horizontal plane，The inner chamber of the main handle of compasses 2 is provided with micro battery，And the outside of the main handle of compasses 2 is provided with charging inlet，Charging inlet is electrically connected with accumulator，It is sliding connection structure between hole post 5 and compasses pair handle 4，And the quantity in the chalk card hole 6 within hole post 5 is 2-3，The outside of the main handle of compasses 2 is provided with anti-skidding concave point.This utility model is easy to use, it is possible to allows teacher preferably use compasses at teaching process, will not make troubles to user, can also provide the measurement of angle simultaneously more intuitively to user, facilitate user.

The above; it is only this utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; conceive equivalent or change in addition according to the technical solution of the utility model and utility model thereof, all should contain within protection domain of the present utility model.

Claims (4)

1. null1. a Higher Mathematics Teaching sucker type compass，Including the main handle of compasses (2)，It is characterized in that，The side of the main handle of described compasses (2) is provided with display device (3)，The upper end of the main handle of described compasses (2) is provided with rotary switch (1)，And the upper end of rotary switch (1) is provided with sucker button (9)，The side of the main handle of described compasses (2) is provided with compasses pair handle (4) by hinge，Described compasses pair handle (4) are connected to Kong Zhu (5) away from one end active card of hinge，One end of described Kong Zhu (5) is provided with chalk Ka Dong (6)，Junction between the main handle of described compasses (2) and compasses pair handle (4) is provided with angel measuring instrument (7)，One end of described hinge is provided with electronic controller (11)，And electronic controller (11) is electrically connected with rotary switch (1)，Card adapter plate (12) is installed between the main handle of described compasses (2) and compasses pair handle (4)，Inner chamber one end of the main handle of described compasses (2) is provided with secondary handle container (10)，The lower end of described rotary switch (1) is provided with connection post (8)，And connection post (8) is positioned in the inner chamber of the main handle of compasses (2)，The inner chamber of described connection post (8) is provided with sucker post，And the upper end of sucker post extends to the lower end of sucker button (9)，Described sucker button (9) is electrically connected with sucker post，The lower end of described sucker post is provided with electronics sucker (13)，And the lower end of the lower end of electronics sucker (13) and the main handle of compasses (2) is positioned on a horizontal plane.
2. A kind of Higher Mathematics Teaching sucker type compass, it is characterized in that, being provided with micro battery in the inner chamber of the main handle of described compasses (2), and the outside of the main handle of compasses (2) is provided with charging inlet, described charging inlet is electrically connected with accumulator.
3. A kind of Higher Mathematics Teaching sucker type compass, it is characterized in that, it is sliding connection structure between described Kong Zhu (5) and compasses pair handle (4), and the quantity of the chalk Ka Dong (6) of Kong Zhu (5) inside is 2-3.
4. A kind of Higher Mathematics Teaching sucker type compass, it is characterised in that the outside of the main handle of described compasses (2) is provided with anti-skidding concave point.