CN207496335U - A kind of function explains and publicises instrument - Google Patents

Abstract

The utility model discloses a kind of functions to explain and publicise instrument, including display board, Y-coordinate axle, X-coordinate axle, coordinate origin and power switch, Y-coordinate axle and X-coordinate axle are vertically intersected on coordinate origin, the surface of display board is provided with the first pivoted arm, the bottom end side of first pivoted arm is provided with motor, and the side of motor is provided with the second pivoted arm.The utility model is provided with motor on the display panel, first pivoted arm and the second pivoted arm, the first sliding block is socketed on first pivoted arm, the second sliding block is socketed on second pivoted arm, pen is drawn to be located on the first sliding block, first pivoted arm can be rotated around the second rotation axis axis, the first sliding block is driven to be rotated around the second rotation axis axis, since the second sliding block can generate the first sliding block the effect of power, the first sliding block is made to be slided on the first pivoted arm, slip of first sliding block on the first pivoted arm rotates two movements around the second rotation axis axis with the first sliding block and is superimposed, the drafting pen on the first sliding block is made to draw out part elliptical curve on the display panel.

Description

A kind of function explains and publicises instrument

Technical field

The utility model is related to teaching equipment field, more particularly to a kind of function explains and publicises instrument.

Background technology

Elliptic function when seeking oval arc length initially from guiding, so referred to as elliptic function, theory of elliptic functions can To say being one of achievement most brilliant during the theory of functions of a complex variable develops in 19th century.

At present, student learns when learning elliptic function with reference to books, but bookish knowledge is uninteresting, such as Fruit can accurately draw out elliptic curve, can not only attract the attention of student, carry there are one teaching aid or demonstrator The learning interest of high student intuitively can also clearly express the shape of elliptic curve.

Utility model content

The technical problems to be solved in the utility model is the defects of overcoming the prior art, provides a kind of function and explains and publicises instrument, can Clearly accurately to draw out elliptic curve, attract the attention of student, promote efficiency of teaching.

In order to solve the above-mentioned technical problem, the utility model provides following technical solution：

A kind of function of the utility model explains and publicises instrument, is opened including display board, Y-coordinate axle, X-coordinate axle, coordinate origin and power supply Pass, the Y-coordinate axle and X-coordinate axle are located at the edge of display board, and the Y-coordinate axle and X-coordinate axle are vertically intersected on coordinate original Point, the surface of the display board are provided with the first pivoted arm, and the bottom end of first pivoted arm is provided with the second shaft, and described One pivoted arm is flexibly connected by the second shaft with display board, and gear wheel is provided between first pivoted arm and display board, described The side of second shaft is provided with motor, and the opposite side of the motor is provided with the second pivoted arm, and second pivoted arm passes through first Shaft is flexibly connected with display board, and the first sliding block is socketed on first pivoted arm, the second cunning is socketed on second pivoted arm Motion block, the second sliding shoe are mounted on the first sliding block, pass through connecting shaft between first sliding block and the second sliding shoe It is connected, first sliding block and the second sliding shoe are hinged respectively with connecting shaft.

As a kind of optimal technical scheme of the utility model, the motor is fixed with display board by motor fixing end to be connected It connects, the peak of the motor is located under X-coordinate axle, and the motor includes projecting shaft, and the projecting shaft runs through display board, institute It states and pinion gear is provided between motor and display board, the pinion gear is socketed on motor projecting shaft, the pinion gear and canine tooth Wheel is meshed.

As a kind of optimal technical scheme of the utility model, drafting is provided between first sliding block and display board Pen, the pen tip for drawing pen are in contact with display board, and the terminal part for drawing pen is fixedly mounted on the first sliding block and display The opposite centre of surface of plate.

As a kind of optimal technical scheme of the utility model, the end face of the first rotating shaft, the end face of projecting shaft and The end face center of circle phase line of two shafts is parallel with X-coordinate axle.

As a kind of optimal technical scheme of the utility model, the bottom end both sides of the display board are both provided with pedestal.

Compared with prior art, the beneficial effects of the utility model are as follows：

The utility model is provided with motor, the first pivoted arm and the second pivoted arm on the display panel, and is socketed on the first pivoted arm One sliding block is socketed with the second sliding block on the second pivoted arm, draws pen and is located on the first sliding block, under motor offer power, first turn Arm is rotated around the second rotation axis axis, so as to which the first sliding block be driven also to be rotated around the second rotation axis axis, due to the second sliding block meeting The effect of power is generated to the first sliding block, the first sliding block can be made to be slided on the first pivoted arm, cunning of first sliding block on the first pivoted arm It is dynamic to be superimposed with the first sliding block around two movements of rotation of the second rotation axis axis, the drafting pen on the first sliding block is made to paint on the display panel Make part elliptical curve.

Description of the drawings

Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality Novel embodiment for explaining the utility model, does not form the limitation to the utility model together.In the accompanying drawings：

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the vertical view of the utility model；

In figure：1st, display board；2nd, the first rotation axis；3rd, motor fixing end；4th, projecting shaft；5th, the second rotation axis；6th, pedestal； 7th, gear wheel；8th, pinion gear；9th, the first pivoted arm；10th, the first sliding block；11st, connecting shaft；12nd, the second pivoted arm；13rd, the second sliding block； 14th, coordinate origin；15th, Y-coordinate axle；16th, X-coordinate axle；17th, motor；18th, pen is drawn；19th, power switch.

Specific embodiment

The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent Embodiment is selected to be only used for describing and explaining the present invention, is not used to limit the utility model.

Embodiment 1

As shown in Figs. 1-2, the utility model provides a kind of function and explains and publicises instrument, including display board 1, Y-coordinate axle 15, X-coordinate Axis 16, coordinate origin 14 and power switch 19, Y-coordinate axle 15 and X-coordinate axle 16 are located at the edge of display board 1,15 He of Y-coordinate axle X-coordinate axle 16 is vertically intersected on coordinate origin 14, and the surface of display board 1 is provided with the first pivoted arm 9, the bottom one of the first pivoted arm 9 End is provided with the second shaft 5, and the first pivoted arm 9 is flexibly connected by the second shaft 5 with display board 1, the first pivoted arm 9 and display board 1 Between be provided with gear wheel 7, the side of the second shaft 5 is provided with motor 17, and the opposite side of motor 17 is provided with the second pivoted arm 12, Second pivoted arm 12 is flexibly connected by first rotating shaft 2 with display board 1, and the first sliding block 10, the second pivoted arm are socketed on the first pivoted arm 9 The second sliding shoe 13 is socketed on 12, the second sliding shoe 13 is mounted on the first sliding block 10, and the first sliding block 10 and second slides It is connected between block 13 by connecting shaft 11, the first sliding block 10 and the second sliding shoe 13 are hinged respectively with connecting shaft 11.

Further, motor 17 is fixedly connected with display board 1 by motor fixing end 3, and the peak of motor 17 is located at X seats Under parameter 16, motor 17 includes projecting shaft 4, and projecting shaft 4 runs through display board 1, small tooth is provided between motor 17 and display board 1 Wheel 8, pinion gear 8 is socketed on 17 projecting shaft 4 of motor, and pinion gear 8 is meshed with gear wheel 7, and pinion gear 8 is fixedly connected on motor On 17 projecting shafts 4, motor 17 is powered, and projecting shaft 4 rotates, and so as to which pinion gear 8 also and then rotates, and pinion gear 8 is and gear wheel 7 are meshed, so pinion gear 8 rotates, gear wheel 7 also rotates, gear wheel 7 is fixedly connected with the second shaft 5, therefore Second shaft 5 also rotates, and the first pivoted arm 9 is fixedly connected with the second shaft 5, so the first pivoted arm 9 can provide power in motor 17 Under the action of rotated in certain angle around the axis of the second shaft 5.

It being provided between first sliding block 10 and display board 1 and draws pen 18, the pen tip for drawing pen 18 is in contact with display board 1, The terminal part for drawing pen 18 is fixedly mounted on the first sliding block 10 centre of surface opposite with display board 1, draws pen 18 for ellipse The drafting of curve.

The end face center of circle phase line of the end face of first rotating shaft 2, the end face of projecting shaft 4 and the second shaft 5 and 16 phase of X-coordinate axle It is parallel, so that it is guaranteed that drawing out the precision of elliptic function curve, also allow for that the elliptic function curve made is explained and surveyed Amount.

The bottom end both sides of display board 1 are provided with pedestal 6, and pedestal 6 is used to support this and explains and publicises instrument.

Specifically, using when by this explain and publicise instrument be powered, the side of 12 bottom end of the second pivoted arm is provided with power switch 19, presses Lower power switch motor 17 is run, and the operation of motor 17 drives pinion gear 8 to rotate, and pinion gear 8 is meshed with gear wheel 7, so as to big Gear 7 also rotates, and gear wheel 7 is fixedly connected in the second rotation axis 5, therefore the second rotation axis 5 is also with the rotation of gear wheel 7 And rotate, the first pivoted arm 9 is also secured at the second rotation axis 5, therefore the first pivoted arm 9 is also with rotation, so as to by the rotation of motor 17 Movement is transmitted to the first pivoted arm 9, and being covered then on the first pivoted arm 9 has the first sliding block 10, and the first pivoted arm 9 is around 5 axis of the second rotation axis Rotation, therefore the first sliding block 10 is also rotated around 5 axis of the second rotation axis.

The first sliding block 10 is connected by connecting rod 11 with the second sliding block 13 again, and the second sliding block 13 is socketed in the second pivoted arm 12 On, the second pivoted arm 12 is connected by the first connecting shaft 2 with display board 1, when the first pivoted arm 9 is rotated around 5 axis of the second rotation axis When, the first sliding block 10 is also rotated around 5 axis of the second rotation axis, but since the first sliding block 10 is connected with the second sliding block 13, the Two sliding blocks 13 can prevent the first sliding block 10 from being rotated around 5 axis of the second rotation axis, and then generate and hinder the first sliding block 10 around second turn The power of 5 axis of moving axis rotation, this power makes the first sliding block 10 be slided on the first pivoted arm 9, while also makes the second sliding block 13 the It is slided on two pivoted arms 12, during movement, when the first sliding block 10 is slowly close to the second shaft 5, then the second sliding block 13 is slowly far from first Shaft 2, slip of first sliding block 10 on the first pivoted arm 9 rotate two movements with the first sliding block 10 around 5 axis of the second rotation axis Superposition, makes the drafting pen 18 on the first sliding block 10 draw out part elliptical curve on the display panel 1.

The utility model is provided with motor 17, the first pivoted arm 9 and the second pivoted arm 12 on the display panel 1, is covered on the first pivoted arm 9 The first sliding block 10 is connected to, the second sliding block 13 is socketed on the second pivoted arm 12, pen 18 is drawn and is located on the first sliding block 10, in motor 17 It provides under power, the first pivoted arm 9 is rotated around 5 axis of the second rotation axis, so as to drive the first sliding block 10 also around 5 axis of the second rotation axis Line rotates, and since the second sliding block 13 can generate the first sliding block 10 effect of power, the first sliding block 10 can be made sliding on the first pivoted arm 9 Dynamic, slip of first sliding block 10 on the first pivoted arm 9 rotates two movements around 5 axis of the second rotation axis with the first sliding block 10 and folds Add, the drafting pen 18 on the first sliding block 10 is made to draw out part elliptical curve on the display panel 1.

Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it can still modify to the technical solution recorded in foregoing embodiments or to which part technical characteristic Carry out equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (5)

1. a kind of function explains and publicises instrument, including display board（1）, Y-coordinate axle（15）, X-coordinate axle（16）, coordinate origin（14）And power supply Switch（19）, which is characterized in that the Y-coordinate axle（15）And X-coordinate axle（16）Positioned at display board（1）Edge, the Y coordinate Axis（15）And X-coordinate axle（16）It is vertically intersected on coordinate origin（14）, the display board（1）Surface be provided with the first pivoted arm （9）, first pivoted arm（9）Bottom end be provided with the second shaft（5）, first pivoted arm（9）Pass through the second shaft（5） With display board（1）Flexible connection, first pivoted arm（9）With display board（1）Between be provided with gear wheel（7）, described second turn Axis（5）Side be provided with motor（17）, the motor（17）Opposite side be provided with the second pivoted arm（12）, second pivoted arm （12）Pass through first rotating shaft（2）With display board（1）Flexible connection, first pivoted arm（9）On be socketed with the first sliding block（10）, institute State the second pivoted arm（12）On be socketed with the second sliding shoe（13）, the second sliding shoe（13）Mounted on the first sliding block（10）It On, first sliding block（10）With the second sliding shoe（13）Between pass through connecting shaft（11）It is connected, first sliding block（10） And the second sliding shoe（13）Respectively with connecting shaft（11）It is hinged.

2. a kind of function according to claim 1 explains and publicises instrument, which is characterized in that the motor（17）With display board（1）It is logical Cross motor fixing end（3）It is fixedly connected, the motor（17）Peak be located at X-coordinate axle（16）Under, the motor（17） Including projecting shaft（4）, the projecting shaft（4）Through display board（1）, the motor（17）With display board（1）Between be provided with it is small Gear（8）, the pinion gear（8）It is socketed in motor（17）Projecting shaft（4）On, the pinion gear（8）With gear wheel（7）Mutually nibble It closes.

3. a kind of function according to claim 1 explains and publicises instrument, which is characterized in that first sliding block（10）With display board （1）Between be provided with drafting pen（18）, the drafting pen（18）Pen tip and display board（1）It is in contact, the drafting pen（18） Terminal part be fixedly mounted on the first sliding block（10）With display board（1）Opposite centre of surface.

4. a kind of function according to claim 2 explains and publicises instrument, which is characterized in that the first rotating shaft（2）End face, stretch out Axis（4）End face and the second shaft（5）End face center of circle phase line and X-coordinate axle（16）It is parallel.

5. a kind of function according to claim 1 explains and publicises instrument, which is characterized in that the display board（1）Bottom end both sides it is equal It is provided with pedestal（6）.