CN205959432U

CN205959432U - Advanced math teaching formula memory auxiliary device commonly used

Info

Publication number: CN205959432U
Application number: CN201620409931.1U
Authority: CN
Inventors: 石东伟; 冯玉玲
Original assignee: Henan Institute of Science and Technology
Current assignee: Henan Institute of Science and Technology
Priority date: 2016-05-09
Filing date: 2016-05-09
Publication date: 2017-02-15
Anticipated expiration: 2026-05-09

Abstract

The utility model discloses an advanced math teaching formula memory auxiliary device commonly used, which comprises an outer shell, open in the front of shell has the square through hole, install the window in the through -hole, the front of shell is embedded respectively to have electronic watch and a shift knob, the front inner wall of shell is equipped with two LED lamps, the back connection of shell has the backplate, the center department of backplate is equipped with the battery jar, the notch department of battery jar is connected with the battery groove cover board, the symmetry is equipped with first driven shaft and second driven shaft on the both sides wall of shell, install first rolling wheel and the first driving wheel of following on the first driven shaft respectively, install second rolling wheel and second from driving wheel on the second driven shaft respectively, first follow driving wheel and second are from being equipped with the action wheel between the driving wheel, be connected with the knob in the pivot of action wheel. The utility model discloses can greatly improve student's interest, reach back the effect of turning over repeated memory, the student of being convenient for compares the memory, simple structure, convenient to use.

Description

A kind of Higher Mathematics Teaching common-used formula memory aid

Technical field

This utility model is related to schooling apparatus technical field, and more particularly, to a kind of Higher Mathematics Teaching common-used formula memory is auxiliary Help device.

Background technology

The mathematical formulae comprising in higher mathematics is varied, and quantity is various, and understanding in a down-to-earth manner and remember formula is to learn The key of good mathematics, and understand and remember these formula to be a very heavy task, at present, market has and much specially prints There are the books of formula, ransack for student and consult, but existing formula book is not easy to reciting of student, waste the time of student And energy, memory effect is not fine, and for this, we design a kind of Higher Mathematics Teaching common-used formula memory aid, uses To solve the above problems.

Content of the invention

The purpose of this utility model is to solve shortcoming present in prior art, and a kind of higher mathematics religion proposing Learn common-used formula memory aid.

To achieve these goals, this utility model employs following technical scheme：A kind of Higher Mathematics Teaching commonly uses public affairs Formula memory aid, including shell, the front of described shell has square through hole, is provided with form in described through hole, described The front of shell is embedded with electronic watch and shift knob respectively, and described electronic watch and shift knob are located at the top of form respectively And lower section, the front inside wall of described shell is provided with two LED, and described LED is located above and below form respectively, described The back side of shell is connected with backboard, and the center of described backboard is provided with battery case, is connected with battery at the notch of described battery case Tank cover plate, the two side of described shell is arranged with first driven shaft and second driven shaft, in described first driven shaft respectively First rolling wheel and the first driven pulley are installed, described second driven shaft is separately installed with the second rolling wheel and the second driven pulley, institute Stating volume on the first rolling wheel and the second rolling wheel has formula paper tape, is provided with drivewheel between described first driven pulley and the second driven pulley, And drivewheel can be connected with the first driven pulley and the engagement of the second driven pulley respectively, the rotating shaft of described drivewheel is connected with knob, Described knob is located at outside the side wall of shell, and described electronic watch is electrically connected with the outfan of battery case, and described LED passes through switch Button is electrically connected with the outfan of battery case.

Preferably, described shell, backboard and each drive disk assembly are all made using plastic material.

Preferably, described form is made using transparent organic glass.

Preferably, the rotary shaft of described drivewheel is to be flexibly connected with the side wall of shell.

Preferably, described first rolling wheel is identical with the second rolling wheel radius, and the arc length of its quadrant and form Short transverse is equivalently-sized.

Preferably, at interval of the formula recited with needs on an element length on described formula paper tape, it is spaced With the title of corresponding formula in two neighboring mobile unit on element length.

In this utility model, the structure that engaged with two driven pulleys respectively using a drivewheel, by turn knobs just Can browse and remember formula, the interest of student can be greatly improved, upper and lower two gear mechanisms cooperate, achievable formula paper slip Move back and forth, reach the effect of returning repetitive memory, on formula paper tape at interval of on an element length with needing to recite Formula, with the title of corresponding formula in two neighboring mobile unit on the element length being spaced, is easy to student's comparison note Recall, be provided with LED and facilitate night to use, to use at the same time as emergency light, be provided with electronic watch and facilitate timing to remember, also may be used Use as ordinary clock, structure is simple, easy to use.

Brief description

Fig. 1 is positive structure schematic of the present utility model；

Fig. 2 is front of the present utility model internal structure schematic diagram；

Fig. 3 is side, sectional structural representation of the present utility model.

In figure：1 shell, 2 forms, 3 electronic watches, 4 shift knobs, 5 LED, 6 backboards, 7 battery cases, 8 battery case cover plates, 9 first driven shafts, 10 second driven shafts, 11 first rolling wheels, 12 first driven pulleys, 13 second rolling wheels, 14 second driven pulleys, 15 masters Driving wheel, 16 knobs, 17 formula paper tapes.

Specific embodiment

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole Embodiment.

Reference picture 1-3, a kind of Higher Mathematics Teaching common-used formula memory aid, including shell 1, the front of shell 1 Have square through hole, form 2 is installed in through hole, the front of shell 1 is embedded with electronic watch 3 and shift knob 4 respectively, and electronics Table 3 and shift knob 4 are located above and below form 2 respectively, and the front inside wall of shell 1 is provided with two LED 5, LED 5 It is located above and below form 2 respectively, the back side of shell 1 is connected with backboard 6, and the center of backboard 6 is provided with battery case 7, electricity It is connected with battery case cover plate 8 at the notch of pond groove 7, the two side of shell 1 is arranged with first driven shaft 9 and second driven shaft 10, first driven shaft 9 is separately installed with the first rolling wheel 11 and the first driven pulley 12, second driven shaft 10 is separately installed with Two rolling wheels 13 and the second driven pulley 14, the first rolling wheel 11 is identical with the second rolling wheel 13 radius, and the arc length of its quadrant Equivalently-sized with the short transverse of form 2, on the first rolling wheel 11 and the second rolling wheel 13, volume has formula paper tape 17, on formula paper tape 17 At interval of the formula recited with needs on an element length, with two neighboring mobile unit on the element length being spaced The title of upper corresponding formula, is provided with drivewheel 15, the rotation of drivewheel 15 between the first driven pulley 12 and the second driven pulley 14 The side wall of axle and shell 1 is to be flexibly connected, drivewheel 15 two positions mutually switch can respectively with the first driven pulley 12 and the Two driven pulley 14 engagement connects, and the rotating shaft of drivewheel 15 is connected with knob 16, and knob 16 is located at outside the side wall of shell 1, electricity Sublist 3 is electrically connected with the outfan of battery case 7, and LED 5 is electrically connected with the outfan of battery case 7 by shift knob 4, shell 1st, backboard 6 and each drive disk assembly are all made using plastic material, and form 2 is made using transparent organic glass, lighter weight.

Operation principle：Knob 16 is pressed on the side wall of shell 1, then drivewheel 15 is in and is meshed with the first driven pulley 12 Position, by 90 degree of knob 16 rotate counterclockwise, then the first driven pulley 12 drives the first rolling wheel 11 rotation quadrant, public Formula paper tape 17 accordingly translates up a unit, can see the formula name of display on formula paper tape 17 by transparent form 2, Student recalls the formula corresponding to title, then again by 90 degree of knob 16 rotate counterclockwise, formula paper tape 17 again accordingly to One unit of upper translation, by transparent agreeable to the taste 2 formula seeing display on formula paper tape 17, remainder formula is realized in circulation successively Knob 16, when student thinks reversely to remember or returns one section of memory, only need to outwards be stirred by memory, then drivewheel 15 is in and the The position that two driven pulleys 14 are meshed, knob 16 is turned clockwise, you can realize, and battery is loaded in battery case 7, then electronics Table 3 can be used as timing tool, also can use as ordinary clock and watch, in night inconvenience viewing memory, presses shift knob 4, then LED 5 in shell 1 is lighted, and just can browse memory, also can use as the emergency light at night.

The above, only this utility model preferably specific embodiment, but protection domain of the present utility model is not Be confined to this, any those familiar with the art in the technical scope that this utility model discloses, according to this practicality New technical scheme and its utility model design in addition equivalent or change, all should cover in protection model of the present utility model Within enclosing.

Claims

1. a kind of Higher Mathematics Teaching common-used formula memory aid, including shell（1）It is characterised in that：Described shell（1） Front have square through hole, in described through hole, form is installed（2）, described shell（1）Front be embedded with electronic watch respectively （3）And shift knob（4）, and described electronic watch（3）And shift knob（4）It is located at form respectively（2）Above and below, described Shell（1）Front inside wall be provided with two LED（5）, described LED（5）It is located at form respectively（2）Above and below, institute State shell（1）The back side be connected with backboard（6）, described backboard（6）Center be provided with battery case（7）, described battery case（7）'s It is connected with battery case cover plate at notch（8）, described shell（1）Two side on be arranged with first driven shaft（9）With second from Moving axis（10）, described first driven shaft（9）On be separately installed with the first rolling wheel（11）With the first driven pulley（12）, described second from Moving axis（10）On be separately installed with the second rolling wheel（13）With the second driven pulley（14）, described first rolling wheel（11）With the second rolling wheel （13）Upper volume has formula paper tape（17）, described first driven pulley（12）With the second driven pulley（14）Between be provided with drivewheel（15）, And drivewheel（15）Can respectively with the first driven pulley（12）With the second driven pulley（14）Engagement connects, described drivewheel（15）Turn Knob is connected with axle（16）, described knob（16）Positioned at shell（1）Side wall outside, described electronic watch（3）With battery case（7） Outfan electrical connection, described LED（5）By shift knob（4）With battery case（7）Outfan electrical connection.

2. a kind of Higher Mathematics Teaching common-used formula memory aid according to claim 1 is it is characterised in that described Shell（1）, backboard（6）And each drive disk assembly all made using plastic material.

3. a kind of Higher Mathematics Teaching common-used formula memory aid according to claim 1 is it is characterised in that described Form（2）Made using transparent organic glass.

4. a kind of Higher Mathematics Teaching common-used formula memory aid according to claim 1 is it is characterised in that described Drivewheel（15）Rotary shaft and shell（1）Side wall be flexibly connected.

5. a kind of Higher Mathematics Teaching common-used formula memory aid according to claim 1 is it is characterised in that described First rolling wheel（11）With the second rolling wheel（13）Radius is identical, and the arc length of its quadrant and form（2）Short transverse Equivalently-sized.

6. a kind of Higher Mathematics Teaching common-used formula memory aid according to claim 1 is it is characterised in that described Formula paper tape（17）On at interval of on an element length with the formula recited of needs, with phase on the element length being spaced The title of corresponding formula in adjacent two mobile units.