CN206805865U - The displaying teaching aid that a kind of education and instruction uses - Google Patents
The displaying teaching aid that a kind of education and instruction uses Download PDFInfo
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- CN206805865U CN206805865U CN201721084943.2U CN201721084943U CN206805865U CN 206805865 U CN206805865 U CN 206805865U CN 201721084943 U CN201721084943 U CN 201721084943U CN 206805865 U CN206805865 U CN 206805865U
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- gear
- led lamp
- rotating disk
- plate
- demarcation strip
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Abstract
The displaying teaching aid that a kind of education and instruction uses, it is related to a kind of displaying teaching aid.Upper flat plate rear end and lower flat back are affixed by back vertical plate, upper flat plate is fixed with a demarcation strip with lower flat board centre position, a gear folding and unfolding groove is formed between demarcation strip and back vertical plate, gear folding and unfolding groove inner bottom surface is provided with spur rack, gear is arranged in gear folding and unfolding groove and is meshed with spur rack, back vertical plate is provided with a chute, hand-held swing arm one end is rotated coaxially through chute by bearing with facade after gear to be connected, demarcation strip is provided with a gap, gear is coaxially affixed with rotating disk by axostylus axostyle, rotating disk is fixed with power supply, multiple LED lamp beads and multiple switch, bolt is fixed with a side shield respectively for shell left and right ends, upper flat plate front end is hinged with cover plate, curtain is fixed among cover plate, it can really show the formation track of cycloid, it is easy to student intuitively to observe, help to understand.
Description
Technical field
It the utility model is related to a kind of displaying teaching aid, the displaying teaching aid that especially a kind of education and instruction uses.
Background technology
Cycloid is an important knowledge point in Higher Mathematics Teaching, and it is defined as a circle slow ground roll along a straight line
Dynamic, then the track that the upper fixing point of circle is passed through is referred to as cycloid.Because track is more abstract, in conventional teaching, teacher simply exists
Cycloid is directly drawn on blackboard to be shown, and instructs the net shape of student's cycloid, and students are difficult real body by the imagination
The forming process of cycloid is tested, is not easy to understand.
The content of the invention
The purpose of this utility model is to provide the displaying teaching aid that a kind of education and instruction uses, and it can really show pendulum
The formation track of line, is easy to student intuitively to observe, and helps to understand.
Above-mentioned purpose is realized, the utility model takes following technical proposals：The displaying teaching aid that a kind of education and instruction uses, bag
Shell, gear, hand-held swing arm, rotating disk, cover plate, power supply, two side shields, multiple LED lamp beads and multiple switch are included, it is described
Shell includes upper flat plate, lower flat board, back vertical plate and demarcation strip, and described upper flat plate rear end is consolidated with lower flat back by back vertical plate
Connecing, upper flat plate is fixed with a vertical demarcation strip with lower flat board centre position, and described demarcation strip is set up in parallel with back vertical plate,
Upper flat plate, lower flat board, back vertical plate and demarcation strip are made as one, and a gear folding and unfolding groove, institute are formed between demarcation strip and back vertical plate
The gear folding and unfolding groove inner bottom surface stated is provided with spur rack, described gear be arranged in gear folding and unfolding groove and with described spur rack phase
Engagement, described back vertical plate centre position are provided with a chute in the horizontal direction, and described hand-held swing arm one end passes through described
Chute is rotated coaxially with facade after gear by bearing and is connected, and demarcation strip centre position is provided with a gap, tooth in the horizontal direction
Facade is coaxially affixed with facade after rotating disk by axostylus axostyle before wheel, and described axostylus axostyle is located in described gap, before described rotating disk
Facade is fixed with power supply, multiple LED lamp beads and multiple switch, and described power supply is powered for multiple LED lamp beads, and described is multiple
Being turned on and off for LED lamp bead corresponding to controlling respectively is switched, bolt is fixed with a side shield respectively for shell left and right ends, on
Flat board front end is hinged with cover plate, and described cover plate profile is rectangle frame, and curtain is fixed among cover plate.
Compared with prior art, the beneficial effects of the utility model are：
1. the utility model by the manipulation in classroom, can really show the formation track of cycloid, it is easy to student directly perceived
Observation；
2. the utility model can show the formation track of three kinds of different cycloids, student is contributed to understand.
Brief description of the drawings
Fig. 1 is the overall structure axonometric drawing for the displaying teaching aid that education and instruction of the present utility model uses；
Fig. 2 is Fig. 1 A direction views；
Fig. 3 is circuit block diagram of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model is carried out it is clear,
It is fully described by, it is clear that described embodiment is only the part of the embodiment of utility model, rather than whole embodiments,
Based on the embodiment in the utility model, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belong to the scope of the utility model protection.
Embodiment one：As shown in Fig. 1 ~ Fig. 3, the utility model discloses the displaying religion that a kind of education and instruction uses
Tool, including shell 1, gear 2, hand-held swing arm 3, rotating disk 4, cover plate 6,7, two side shields 5 of power supply, multiple LED lamp beads 8 and more
Individual switch 9, described shell 1 includes upper flat plate 1-1, lower flat board 1-2, back vertical plate 1-3 and demarcation strip 1-4, described upper flat plate
1-1 rear ends are affixed by back vertical plate 1-3 with lower flat board 1-2 rear ends, and upper flat plate 1-1 is fixed with one with lower flat board 1-2 centre positions
Individual vertical demarcation strip 1-4, described demarcation strip 1-4 and back vertical plate 1-3 are set up in parallel, upper flat plate 1-1, lower flat board 1-2, rear vertical
Plate 1-3 and demarcation strip 1-4 is made as one, and a gear folding and unfolding groove, described tooth are formed between demarcation strip 1-4 and back vertical plate 1-3
Wheel folding and unfolding groove inner bottom surface is provided with spur rack 1-6, described gear 2 be arranged on gear folding and unfolding groove it is interior and with described spur rack 1-6
It is meshed, described back vertical plate 1-3 centre positions are provided with a chute in the horizontal direction, and described one end of hand-held swing arm 3 passes through
Described chute is rotated coaxially with facade after gear 2 by bearing and is connected, and demarcation strip 1-4 centre positions are provided with one in the horizontal direction
Individual gap 1-5, facade is coaxially affixed by axostylus axostyle and facade after rotating disk 4 before gear 2, and described axostylus axostyle is located at described gap 1-
In 5, facade is fixed with power supply 7, multiple LED lamp beads 8 and multiple switch 9 before described rotating disk 4, and described power supply 7 is multiple
LED lamp bead 8 is powered, described multiple switch 9 respectively control corresponding to LED lamp bead 8 be turned on and off, the left and right ends of shell 1
Bolt is fixed with a side shield 5 respectively, and upper flat plate 1-1 front ends are hinged with cover plate 6, and the described profile of cover plate 6 is rectangle frame, lid
Curtain 6-1 is fixed among plate 6.
Embodiment two：As shown in Figure 1,3, present embodiment is that embodiment one is made furtherly
Bright, the described quantity of multiple LED lamp beads 8 is three.
Embodiment three：As shown in figure 1, present embodiment is that embodiment two is made furtherly
Bright, facade marginal position is fixed with a stator before described rotating disk 4, and described three LED lamp beads 8 are each attached to described
On stator, first LED lamp bead 8 is located on the circumference of rotating disk 4, and second LED lamp bead 8 is located on the inside of the circumference of rotating disk 4, the
Three LED lamp beads 8 are located on the outside of the circumference of rotating disk 4.
Embodiment four：As shown in figure 1, present embodiment is that embodiment one is made furtherly
Bright, described power supply 7 is button cell.
Embodiment five：As shown in figure 1, present embodiment is that embodiment one is made furtherly
Bright, described multiple switch 9 is button switch.
When using the utility model, teacher can first open cover plate 6, and described first is opened by corresponding switch 9
LED lamp bead 8, cover plate 6 is closed afterwards, then holding the hand-held other end of swing arm 3 by hand makes it slowly mobile in the horizontal direction, hand
Hold gear 2 when swing arm 3 moves to be rolled under spur rack 1-6 effects, drive rotating disk 4 to be rolled while gear 2 rolls,
First described LED lamp bead 8 is showing movement locus of fixing point when on circumference on curtain 6-1；Described in closing
First LED lamp bead 8, second described LED lamp bead 8 is opened by corresponding switch 9, repeated the above steps, described the
Movement locus of two LED lamp beads 8 when showing that fixing point is on the inside of circumference on curtain 6-1；Close described second
LED lamp bead 8, the 3rd described LED lamp bead 8 is opened by corresponding switch 9, repeated the above steps, the described the 3rd LED
Movement locus of the lamp bead 8 when showing that fixing point is on the outside of circumference on curtain 6-1.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in the form of others dress body
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the condition of equivalent fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (5)
- A kind of 1. displaying teaching aid that education and instruction uses, it is characterised in that：Including shell（1）, gear（2）, hand-held swing arm（3）、 Rotating disk（4）, cover plate（6）, power supply（7）, two side shields（5）, multiple LED lamp beads（8）And multiple switch（9）, described is outer Shell（1）Including upper flat plate（1-1）, lower flat board（1-2）, back vertical plate（1-3）And demarcation strip（1-4）, described upper flat plate（1-1）Afterwards End and lower flat board（1-2）Rear end passes through back vertical plate（1-3）It is affixed, upper flat plate（1-1）With lower flat board（1-2）Centre position is fixed with One vertical demarcation strip（1-4）, described demarcation strip（1-4）With back vertical plate（1-3）It is set up in parallel, upper flat plate（1-1）, it is lower flat Plate（1-2）, back vertical plate（1-3）And demarcation strip（1-4）It is made as one, demarcation strip（1-4）With back vertical plate（1-3）Between formed one Gear folding and unfolding groove, described gear folding and unfolding groove inner bottom surface are provided with spur rack（1-6）, described gear（2）It is arranged on gear folding and unfolding In groove and with described spur rack（1-6）It is meshed, described back vertical plate（1-3）Centre position is provided with a cunning in the horizontal direction Groove, described hand-held swing arm（3）One end passes through bearing and gear through described chute（2）Facade rotates coaxially connection afterwards, point Dividing plate（1-4）Centre position is provided with a gap in the horizontal direction（1-5）, gear（2）Preceding facade passes through axostylus axostyle and rotating disk（4）Afterwards Facade is coaxially affixed, and described axostylus axostyle is located at described gap（1-5）Interior, described rotating disk（4）Preceding facade is fixed with power supply （7）, multiple LED lamp beads（8）And multiple switch（9）, described power supply（7）For multiple LED lamp beads（8）Power supply, described is more Individual switch（9）LED lamp bead corresponding to control respectively（8）Be turned on and off, shell（1）Bolt is fixed with one respectively for left and right ends Individual side shield（5）, upper flat plate（1-1）Front end is hinged with cover plate（6）, described cover plate（6）Profile is rectangle frame, cover plate（6）In Between be fixed with curtain（6-1）.
- 2. the displaying teaching aid that a kind of education and instruction according to claim 1 uses, it is characterised in that：Described multiple LED Lamp bead（8）Quantity is three.
- 3. the displaying teaching aid that a kind of education and instruction according to claim 2 uses, it is characterised in that：Described rotating disk（4） Preceding facade marginal position is fixed with a stator, described three LED lamp beads（8）It is each attached on described stator, the One LED lamp bead（8）Positioned at rotating disk（4）On circumference, second LED lamp bead（8）Positioned at rotating disk（4）On the inside of circumference, the 3rd Individual LED lamp bead（8）Positioned at rotating disk（4）On the outside of circumference.
- 4. the displaying teaching aid that a kind of education and instruction according to claim 1 uses, it is characterised in that：Described power supply（7） For button cell.
- 5. the displaying teaching aid that a kind of education and instruction according to claim 1 uses, it is characterised in that：Described multiple switch （9）It is button switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721084943.2U CN206805865U (en) | 2017-08-28 | 2017-08-28 | The displaying teaching aid that a kind of education and instruction uses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721084943.2U CN206805865U (en) | 2017-08-28 | 2017-08-28 | The displaying teaching aid that a kind of education and instruction uses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206805865U true CN206805865U (en) | 2017-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721084943.2U Active CN206805865U (en) | 2017-08-28 | 2017-08-28 | The displaying teaching aid that a kind of education and instruction uses |
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| Country | Link |
|---|---|
| CN (1) | CN206805865U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109658784A (en) * | 2019-02-20 | 2019-04-19 | 哈尔滨学院 | A kind of College Maths cycloid teaching aid |
-
2017
- 2017-08-28 CN CN201721084943.2U patent/CN206805865U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109658784A (en) * | 2019-02-20 | 2019-04-19 | 哈尔滨学院 | A kind of College Maths cycloid teaching aid |
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