CN207337734U - A kind of space multistory magnetic line of force apparatus for demonstrating - Google Patents
A kind of space multistory magnetic line of force apparatus for demonstrating Download PDFInfo
- Publication number
- CN207337734U CN207337734U CN201720822324.2U CN201720822324U CN207337734U CN 207337734 U CN207337734 U CN 207337734U CN 201720822324 U CN201720822324 U CN 201720822324U CN 207337734 U CN207337734 U CN 207337734U
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- movable plate
- groove
- cylinder
- magnetic line
- fixedly connected
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Abstract
The utility model discloses a kind of space multistory magnetic line of force apparatus for demonstrating,Including chassis and cylinder,Chassis upper end is coaxially provided with cylinder,The center on chassis is equipped with motor,The central coaxial of cylinder offers axis hole,The output shaft of motor is located in axis hole and is fixedly connected with cylinder,Electromagnet is equipped with axis hole,First groove and several second grooves are offered on cylinder,The first movable plate is equipped with first groove,The second movable plate is equipped with second groove,By being distributed the first movable plate and the second movable plate around cylinder,Needle is set to can be uniformly distributed in the space around cylinder,Realize the space multistory demonstration of the magnetic line of force,Student is allowed to be readily appreciated that the knowledge of the magnetic line of force,The effective study for helping student,In addition the first movable plate and the second movable plate can also be received to the first groove and the second groove,Make device integrally easy to carry,Facilitate teacher to take apparatus for demonstrating in classroom to be demonstrated.
Description
Technical field
It the utility model is related to a kind of magnetic line of force apparatus for demonstrating, and in particular to a kind of space multistory magnetic line of force apparatus for demonstrating.
Background technology
The magnetic line of force, which is called, does magnetic induction line, is some curves for visually describing Distribution of Magnetic Field.People determine the magnetic line of force
Justice is line tangent with magnetic induction intensity everywhere, and the direction of magnetic induction intensity is identical with magnetic line of force direction, its size and the magnetic line of force
Density it is directly proportional, the basic characteristics for understanding the magnetic line of force be grasp and analyze magnetic circuit basis.The magnetic line of force is artificial hypothesis
Curve.The magnetic line of force whether there is several, and the magnetic line of force is that three-dimensional, all magnetic line of force does not intersect, and the magnetic line of force always goes out from N poles
Hair, into the S pole closest with it and forms, and is typically all at present to carry out magnetic line of force teaching demonstration in the lab in school,
There is no the simple and portable magnetic line of force demonstration teaching aid that teaching demonstration can be carried out in classroom.
Utility model content
The utility model provides a kind of space multistory magnetic line of force apparatus for demonstrating, and it is typically all in reality to solve in current school
Progress magnetic line of force teaching demonstration in room is tested, is drilled without the simple and portable magnetic line of force that teaching demonstration can be carried out in classroom
The problem of display teaching aid.
In order to solve the above-mentioned technical problem, the utility model provides following technical solution：
A kind of space multistory magnetic line of force apparatus for demonstrating of the utility model, including chassis and cylinder, the chassis are disk, institute
State chassis upper end and be coaxially provided with cylinder, the center on the chassis is equipped with motor, and the central coaxial of the cylinder offers axis hole, electricity
The output shaft of machine is located in axis hole and is fixedly connected with cylinder, is equipped with electromagnet in the axis hole, one is offered on the cylinder
A first groove and several second grooves, first groove is interior to be equipped with the first movable plate, and second is equipped with second groove
Movable plate, is additionally provided with spring in first groove, the second groove, one end of the spring respectively with the first movable plate, second
Movable plate is fixedly connected, its other end is fixedly connected with cylinder, the first movable plate inner hollow, and first movable plate
Interior to be equipped with rotation axis, the rotation axis is rotatablely connected with the first movable plate, and axle sleeve, the axis are fixedly connected with the outside of the rotation axis
Put on and be fixedly connected with drawstring, the drawstring is equipped with needle, and the needle is rotatablely connected with drawstring, and the drawstring is away from axle sleeve
One end is fixedly connected with pull rod, and side of the pull rod away from drawstring is fixed with plastic hoop, away from the on first movable plate
The side of three grooves be fixed with the corresponding hook of plastic hoop, offer on second movable plate corresponding with pull rod
4th groove.
As a kind of optimal technical scheme of the utility model, first groove, several second grooves are first-class in cylinder
Range distribution.
As a kind of optimal technical scheme of the utility model, the 4th groove runs through the second movable plate, and the described 3rd
Groove, the quantity of the 4th groove are more than one, and the quantity of the 3rd groove and the 4th groove is equal.
As a kind of optimal technical scheme of the utility model, first movable plate, the upper end of the second movable plate are solid
Surely locking member is equipped with, is offered on the cylinder and the corresponding through hole of locking member.
As a kind of optimal technical scheme of the utility model, storage battery, and storage battery and axis hole are equipped with the cylinder
Interior electromagnet is electrically connected.
As a kind of optimal technical scheme of the utility model, the both ends of the rotation axis are fixedly connected with clockwork spring,
And the other end of clockwork spring is fixedly connected with the inner wall of the first movable plate.
The beneficial effect that the utility model is reached is：By being distributed the first movable plate and the second activity around cylinder
Plate, makes needle can be uniformly distributed in the space around cylinder, realizes the space multistory demonstration of the magnetic line of force, allows student easily to manage
Solve the knowledge of the magnetic line of force, the effective study for helping student, in addition the first movable plate and the second movable plate can also be received to
In first groove and the second groove, make device integrally easy to carry, facilitate teacher to take apparatus for demonstrating in classroom to and demonstrated.
Brief 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
New embodiment is used to explain the utility model together, does not form the limitation to the utility model.
In the accompanying drawings：
Fig. 1 is a kind of overall structure figure of space multistory magnetic line of force apparatus for demonstrating of the utility model；
Fig. 2 is a kind of the first groove structure figure of space multistory magnetic line of force apparatus for demonstrating of the utility model；
Fig. 3 is a kind of the first movable plate structure chart of space multistory magnetic line of force apparatus for demonstrating of the utility model；
In figure：1st, chassis；2nd, cylinder；3rd, axis hole；4th, the first groove；5th, the second groove；6th, the first movable plate；7th, second live
Movable plate；8th, the 3rd groove；9th, plastic hoop；10th, the 4th groove；11st, spring；12nd, locking member；13rd, rotation axis；14th, axle sleeve；15、
Drawstring；16th, needle；17th, pull rod.
Embodiment
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it will be appreciated that described herein excellent
Select embodiment to be only used for describing and explaining the present invention, be not used to limit the utility model.
Embodiment：As shown in Figs. 1-3, a kind of space multistory magnetic line of force apparatus for demonstrating of the utility model, including chassis 1 and circle
Cylinder 2, chassis 1 is disk, and 1 upper end of chassis is coaxially provided with cylinder 2, and the center on chassis 1 is equipped with motor, and the central coaxial of cylinder 2 is opened
Equipped with axis hole 3, the output shaft of motor is located in axis hole 3 and is fixedly connected with cylinder 2, is equipped with electromagnet in axis hole 3, on cylinder 2
First groove 4 and several second grooves 5 are offered, the first movable plate 6 is equipped with the first groove 4, is equipped with the second groove 5
Second movable plate 7, is additionally provided with spring 11 in the first groove 4, the second groove 5, one end of spring 11 respectively with the first movable plate 6,
Second movable plate 7 is fixedly connected, its other end is fixedly connected with cylinder 2,6 inner hollow of the first movable plate, and the first movable plate 6
Interior to be equipped with rotation axis 13, rotation axis 13 is rotatablely connected with the first movable plate 6, and the outside of rotation axis 13 is fixedly connected with axle sleeve, axle sleeve 14
On be fixedly connected with drawstring 15, drawstring 15 is equipped with needle 16, and needle 16 is rotatablely connected with drawstring 15, and drawstring 15 is away from axle sleeve 14
One end is fixedly connected with pull rod 17, and side of the pull rod 17 away from drawstring 15 is fixed with plastic hoop 9, away from the on the first movable plate 6
The side of three grooves 8 be fixed with 9 corresponding hook of plastic hoop, offer on the second movable plate 7 corresponding with pull rod 17
The 4th groove 10.
First groove 4, several second grooves 5 equidistantly distribute on cylinder 2.
4th groove 10 runs through the second movable plate 7, and the 3rd groove 8, the quantity of the 4th groove 10 are more than one, and the
The quantity of three grooves 8 and the 4th groove 10 is equal.
First movable plate 6, the upper end of the second movable plate 7 are fixed with locking member 12, offer and lock on cylinder 20
12 corresponding through hole of part.
Storage battery is equipped with cylinder 2, and storage battery is electrically connected with the electromagnet in axis hole 3.
The both ends of rotation axis 13 are fixedly connected with clockwork spring, and the other end of clockwork spring and the first movable plate 6 is interior
Wall is fixedly connected.
By pressing locking member 12, make the first movable plate 6, the second movable plate 7 bullet out of the first groove 4, the second groove 5
Go out, then pull plastic hoop 9, drawstring 15 and needle 16 are pulled out out of first movable plate 6, then by plastic hoop 9, pull rod 17,
Drawstring 15, needle 16 are passed through out of the 4th groove 10, are finally hung over plastic hoop 9 and are consolidated on the hook on first movable plate 6
Fixed, at this time then the needle 16 on drawstring 15 is connect storage battery and electromagnet, motor in the surrounding of cylinder 2 around distribution
Logical, the magnetic attraction needle 16 of electromagnet, so that the distribution to the magnetic line of force is demonstrated, motor drives cylinder 2 to be rotated, and makes
The distribution of the comprehensive viewing magnetic line of force of student's energy, easy to the understanding of student, after demonstration finishes, by storage battery and electromagnet
Between disconnect, then plastic hoop 9 is taken out from hook, the elastic force of the clockwork spring in the first movable plate 6 makes drawstring 15
It is retracted in the first movable plate 6, then the first movable plate 6, the second movable plate 7 is pressed into the first groove 4, in the second groove 5, lock
Tight part 12 is locked, and makes device easy to carry.
By being distributed the first movable plate 6 and the second movable plate 7 around cylinder 2, needle 16 is set to can be uniformly distributed in circle
Space around cylinder 2, realizes the space multistory demonstration of the magnetic line of force, allows student to be readily appreciated that the knowledge of the magnetic line of force, effective side
Give financial aid to students raw study, in addition the first movable plate 6 and the second movable plate 7 can also be received to the first groove 4 and the second groove 5
It is interior, make device integrally easy to carry, facilitate teacher to take apparatus for demonstrating in classroom to and demonstrated.
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 the technical solution described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.Where within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of space multistory magnetic line of force apparatus for demonstrating, including chassis（1）And cylinder（2）, the chassis（1）It is described for disk
Chassis（1）Upper end is coaxially provided with cylinder（2）, it is characterised in that the chassis（1）Center be equipped with motor, the cylinder（2）'s
Central coaxial offers axis hole（3）, the output shaft of motor is located at axis hole（3）Interior and and cylinder（2）It is fixedly connected, the axis hole
（3）It is interior to be equipped with electromagnet, the cylinder（2）On offer first groove（4）With several second grooves（5）, described first
Groove（4）Inside it is equipped with the first movable plate（6）, second groove（5）Inside it is equipped with the second movable plate（7）, first groove
（4）, the second groove（5）Inside it is additionally provided with spring（11）, the spring（11）One end respectively with the first movable plate（6）, second live
Movable plate（7）It is fixedly connected, its other end and cylinder（2）It is fixedly connected, first movable plate（6）Inner hollow, and described
One movable plate（6）It is interior to be equipped with rotation axis（13）, the rotation axis（13）With the first movable plate（6）Rotation connection, the rotation axis
（13）Outside is fixedly connected with axle sleeve, the axle sleeve（14）On be fixedly connected with drawstring（15）, the drawstring（15）It is equipped with needle
（16）, the needle（16）With drawstring（15）Rotation connection, the drawstring（15）Away from axle sleeve（14）One end be fixedly connected with drawing
Bar（17）, the pull rod（17）Away from drawstring（15）Side be fixed with plastic hoop（9）, first movable plate（6）It is upper remote
From the 3rd groove（8）Side be fixed with and plastic hoop（9）Corresponding hook, second movable plate（7）On offer
With pull rod（17）Corresponding 4th groove（10）.
A kind of 2. space multistory magnetic line of force apparatus for demonstrating according to claim 1, it is characterised in that first groove
（4）, several second grooves（5）In cylinder（2）On equidistantly distribute.
A kind of 3. space multistory magnetic line of force apparatus for demonstrating according to claim 1, it is characterised in that the 4th groove
（10）Through the second movable plate（7）, the 3rd groove（8）, the 4th groove（10）Quantity be more than one, and described
Three grooves（8）With the 4th groove（10）Quantity it is equal.
A kind of 4. space multistory magnetic line of force apparatus for demonstrating according to claim 1, it is characterised in that first movable plate
（6）, the second movable plate（7）Upper end be fixed with locking member（12）, the cylinder（20）On offer and locking member（12）
Corresponding through hole.
A kind of 5. space multistory magnetic line of force apparatus for demonstrating according to claim 1, it is characterised in that the cylinder（2）It is interior
Equipped with storage battery, and storage battery and axis hole（3）Interior electromagnet is electrically connected.
A kind of 6. space multistory magnetic line of force apparatus for demonstrating according to claim 1, it is characterised in that the rotation axis（13）
Both ends be fixedly connected with clockwork spring, and the other end of clockwork spring and the first movable plate（6）Inner wall be fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720822324.2U CN207337734U (en) | 2017-07-09 | 2017-07-09 | A kind of space multistory magnetic line of force apparatus for demonstrating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720822324.2U CN207337734U (en) | 2017-07-09 | 2017-07-09 | A kind of space multistory magnetic line of force apparatus for demonstrating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207337734U true CN207337734U (en) | 2018-05-08 |
Family
ID=62427147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720822324.2U Expired - Fee Related CN207337734U (en) | 2017-07-09 | 2017-07-09 | A kind of space multistory magnetic line of force apparatus for demonstrating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207337734U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113409663A (en) * | 2021-07-01 | 2021-09-17 | 方昶朔 | Omnibearing magnetic field display device |
-
2017
- 2017-07-09 CN CN201720822324.2U patent/CN207337734U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113409663A (en) * | 2021-07-01 | 2021-09-17 | 方昶朔 | Omnibearing magnetic field display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 Termination date: 20190709 |