CN204791718U - Magnetic line of force demonstration appearance - Google Patents
Magnetic line of force demonstration appearance Download PDFInfo
- Publication number
- CN204791718U CN204791718U CN201520491588.5U CN201520491588U CN204791718U CN 204791718 U CN204791718 U CN 204791718U CN 201520491588 U CN201520491588 U CN 201520491588U CN 204791718 U CN204791718 U CN 204791718U
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- China
- Prior art keywords
- magnet
- magnetic line
- force
- exhibition booth
- wheel
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Abstract
The utility model discloses a magnetic line of force demonstration appearance, include: the stand, it is the mesa of confession equipment show, magnet, magnet rotates and installs on the stand, the magnetic needle, a plurality of magnetic needles of installation rotate on the stand around the magnet, from the driving wheel, its rotation is installed in the stand, pivot fixed connection in magnet from the driving wheel, the action wheel, its rotation is installed in the stand, connect in the action wheel from the driving wheel transmission, the pivot fixed connection of action wheel installs on the stand in hand wheel middle part, hand wheel rotation. The utility model discloses hand wheel linkage magnet rotates hand wheel magnet and along with rotation, the distribution of the magnetic line of force on every side of magnet takes place corresponding change, also takes place corresponding change, the dynamic distribution situation of the magnetic line of force in the time of consequently can demonstrating the magnet motion, its simple structure, all equipment body structure, convenient operation, the observation and the assay magnetic line of force distribution of being convenient for along magnetic line of force directive magnetic needle.
Description
Technical field
The utility model relates to a kind of apparatus for demonstrating used in science and education test.More particularly, the utility model relates to a kind of magnetic line of force demonstrator for science and education test.
Background technology
In physics teaching, during the explanation magnetic line of force, owing to being cannot see impalpable things, oral telling about is difficult to be understood by beginner, can only by means of demonstration.At present, known magnetic line of force demonstrator has two classes: one, magnetic line of force plane distribution demonstration device, and principal feature places iron filings on a glass, place magnet under glass plate, when demonstration, need to prepare magnet and iron filings respectively, and magnet and iron filings do not form an entirety, inconvenient; Two, magnetic force line stereo distribution demonstration device, principal feature is splendid attire transparency liquid in a transparent vessel, and liquid is evenly equipped with little buoyancy aid, and magnet immerses liquid, and namely the fluid space of little buoyancy aid near magnet be arranged in line, demonstrates out the three-dimensional distribution situation of the magnetic line of force.
But the demonstration equipment in two kinds of methods does not all form an entirety, easily dispersion is dropped, and operates very inconvenient; The DYNAMIC DISTRIBUTION situation of magnetic line of force when simultaneously these two kinds of demonstration modes cannot demonstrate out magnet movement.Owing to lacking more satisfactory easy-operating magnetic line of force demonstrator, cause teaching efficiency poor, a lot of visitor cannot understand wherein principle.Therefore, the magnetic line of force demonstrator developing a kind of convenient operation and observation is necessary.
Utility model content
The utility model, in order to overcome the defect of prior art, discloses a kind of magnetic line of force demonstrator.
An object of the present utility model is, the DYNAMIC DISTRIBUTION situation of magnetic line of force when providing a kind of demonstration magnet to move, and its structure is simple, easy to operate, is convenient to the magnetic line of force demonstrator of observation and analysis.
In order to realize, according to these objects of the present utility model and other advantage, providing a kind of magnetic line of force demonstrator, it is characterized in that, comprising:
Exhibition booth, it is the table top shown for equipment;
Magnet, it has " N " and " S " two magnetic poles, and described magnet rotors is arranged on exhibition booth;
Needle, it has " N " and " S " two magnetic poles, the exhibition booth around described magnet is rotated and installs some needles;
Engaged wheel, it is rotatably installed in exhibition booth, and the rotating shaft of described engaged wheel is fixedly connected on magnet;
Driving wheel, it is rotatably installed in exhibition booth, and described engaged wheel is in transmission connection in driving wheel, and the rotating shaft of driving wheel is fixedly connected in the middle part of handwheel, and hand wheel rotating is arranged on exhibition booth.
Preferably, described exhibition booth is installed and is placed on cabinet.
Preferably, described magnet is permanent magnet or electromagnet, and its shape is bar shaped, the shape of a hoof or annular.
Preferably, described needle rotates and is placed in transparent sealing box, and middle part vertically fixed support post in transparent sealing box, described needle rotates and is placed on support column top.
Preferably, described driving wheel and engaged wheel overlap lace, and driving wheel is connected to engaged wheel by belt gear.
Preferably, needle is enclosed around magnet fixed placement 2-5 in described exhibition booth.
Preferably, described exhibition booth upper cover transparent face mask, covers on needle wherein.
The utility model at least comprises following beneficial effect: due to some needles that distributes around magnet, handwheel interlock magnet, rotate handwheel magnet along with rotation, there is respective change in the surrounding magnetic line of force distribution of magnet, corresponding change also occurs the needle pointed to along the magnetic line of force, therefore, it is possible to the DYNAMIC DISTRIBUTION situation of magnetic line of force during demonstration magnet motion, its structure is simple, all devices integrative-structure, easy to operate, be convenient to the distribution of the observation and analysis magnetic line of force.
Part is embodied by explanation below by other advantage of the present utility model, target and feature, part also will by research and practice of the present utility model by those skilled in the art is understood.
Accompanying drawing explanation
Fig. 1 is the structural representation on the utility model magnetic line of force demonstrator exhibition booth;
Fig. 2 is the Inner link mechanism map of the utility model magnetic line of force demonstrator;
Fig. 3 is the enlarged diagram of the utility model magnetic line of force demonstrator transparent plastic box;
Fig. 4 is the one-piece construction schematic diagram of the utility model magnetic line of force demonstrator.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to instructions word to make those skilled in the art.
Should be appreciated that used hereinly such as " to have ", other element one or more do not allotted in " comprising " and " comprising " term or the existence of its combination or interpolation.
Fig. 1 to 3 shows according to a kind of way of realization of the present utility model, comprising: exhibition booth 1, on exhibition booth 1, middle part is rotated and is installed strip permanent magnet 2, strip permanent magnet 2 rotated down in exhibition booth 1 installs engaged wheel 3, the rotating shaft of engaged wheel 3 is through exhibition booth 1, its top is fixed in the middle part of strip permanent magnet 2, the rotating shaft grafting of engaged wheel 3 is fixed on bearing inner race, bearing outer ring is fixed in the middle part of exhibition booth 1, engaged wheel 3 is in transmission connection and driving wheel 5 by belt 4, driving wheel 5 is rotatably installed in exhibition booth 1, the rotating shaft of driving wheel 5 is through exhibition booth 1, its top is fixed on the center of handwheel 6, handwheel 6 is rotatably installed on exhibition booth 1, the rotating shaft grafting of driving wheel 5 is fixed on another bearing inner race, another bearing outer ring is fixed on edge, exhibition booth 1, some circle needles 7 are fixed in exhibition booth 1 around described strip permanent magnet 2, and strip permanent magnet 2 is trapped among center by 2-5 the concentric circles be made up of some needles 7, and the strip permanent magnet 2 of center can freely rotate.
Exhibition booth 1 is for magnet rotors needle provides the table top of displaying along the magnetic line of force motion of magnet; Strip permanent magnet 2 provides the magnetic field be made up of the magnetic line of force; Engaged wheel 3 drives strip permanent magnet to rotate; Belt 4 connects the outer ring of driving wheel and engaged wheel; Driving wheel 5 is in transmission connection engaged wheel, for engaged wheel provides power; Handwheel 6 is convenient to user and is driven handwheel interlock strip permanent magnet to rotate; Needle 7, along magnetic line of force motion, demonstrates out the distribution situation of the magnetic line of force around strip permanent magnet.
In another kind of example, described needle 7 rotates and is placed in transparent plastic box 8, and transparent plastic box 8 is fixedly bonded on exhibition booth 1, and middle part vertically fixed support post 9 in transparent plastic box 8, needle 7 rotates and is placed on support column 9 top.This scheme is adopted to have needle from the favourable part of touching with not easily landing.Further, this mode is a kind of explanation of preferred embodiments, but is not limited thereto.
In another kind of example, described exhibition booth 1 upper cover transparent face mask 10, all needles 7 cover on wherein by transparent face mask 10.Adopt this scheme that demonstration equipment is formed a whole structure, from external interference, there will not be the favourable part of equipment landing phenomenon.Further, this mode is a kind of explanation of preferred embodiments, but is not limited thereto.
In another kind of example, described exhibition booth 1 covers and is placed on cabinet 11.Adopt this scheme to make the presentation device bandwagon effect on exhibition booth good, be convenient to the favourable part of the observation and analysis of visitor.Further, this mode is a kind of explanation of preferred embodiments, but is not limited thereto.
As mentioned above, according to the utility model, due to some needles that distributes around magnet, handwheel interlock magnet, rotate handwheel magnet along with rotation, there is respective change in the surrounding magnetic line of force distribution of magnet, corresponding change also occurs the needle pointed to along the magnetic line of force, therefore, it is possible to the DYNAMIC DISTRIBUTION situation of magnetic line of force during demonstration magnet motion, its structure is simple, all devices integrative-structure, easy to operate, be convenient to the distribution of the observation and analysis magnetic line of force.
Although embodiment of the present utility model is open as above, it is not restricted to listed in instructions and embodiment utilization.It can be applied to various applicable field of the present utility model completely.For those skilled in the art, can easily realize other amendment.Therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (7)
1. a magnetic line of force demonstrator, is characterized in that, comprising:
Exhibition booth, it is the table top shown for equipment;
Magnet, it has " N " and " S " two magnetic poles, and described magnet rotors is arranged on exhibition booth;
Needle, it has " N " and " S " two magnetic poles, the exhibition booth around described magnet is rotated and installs some needles;
Engaged wheel, it is rotatably installed in exhibition booth, and the rotating shaft of described engaged wheel is fixedly connected on magnet;
Driving wheel, it is rotatably installed in exhibition booth, and described engaged wheel is in transmission connection in driving wheel, and the rotating shaft of driving wheel is fixedly connected in the middle part of handwheel, and hand wheel rotating is arranged on exhibition booth.
2. magnetic line of force demonstrator as claimed in claim 1, is characterized in that, described exhibition booth is installed and is placed on cabinet.
3. magnetic line of force demonstrator as claimed in claim 1, it is characterized in that, described magnet is permanent magnet or electromagnet, and its shape is bar shaped, the shape of a hoof or annular.
4. magnetic line of force demonstrator as claimed in claim 1, is characterized in that, described needle rotates and is placed in transparent sealing box, and middle part vertically fixed support post in transparent sealing box, described needle rotates and is placed on support column top.
5. magnetic line of force demonstrator as claimed in claim 1, it is characterized in that, described driving wheel and engaged wheel overlap lace, and driving wheel is connected to engaged wheel by belt gear.
6. magnetic line of force demonstrator as claimed in claim 1, is characterized in that, needle is enclosed around magnet fixed placement 2-5 in described exhibition booth.
7. magnetic line of force demonstrator as claimed in claim 1, it is characterized in that, described exhibition booth upper cover transparent face mask, covers on needle wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520491588.5U CN204791718U (en) | 2015-07-09 | 2015-07-09 | Magnetic line of force demonstration appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520491588.5U CN204791718U (en) | 2015-07-09 | 2015-07-09 | Magnetic line of force demonstration appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204791718U true CN204791718U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520491588.5U Expired - Fee Related CN204791718U (en) | 2015-07-09 | 2015-07-09 | Magnetic line of force demonstration appearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204791718U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445679A (en) * | 2015-12-25 | 2016-03-30 | 中国石油天然气集团公司 | Magnetic force line observer |
| CN106297511A (en) * | 2016-11-08 | 2017-01-04 | 胡明建 | A kind of single Magnet magnetic line of force method for designing to iron powder effect of moving |
| CN106448383A (en) * | 2016-11-10 | 2017-02-22 | 胡明建 | A design method for interaction movements of iron powder through vertically in-phase distributed magnetic lines |
| CN107342007A (en) * | 2017-09-05 | 2017-11-10 | 合肥探奥自动化有限公司 | A kind of magnetic line of force apparatus for demonstrating suitable for science popularization venue |
| CN108445304A (en) * | 2018-03-21 | 2018-08-24 | 台州学院 | Plasma is to magnetic field compression characteristic experiment table |
| CN109448519A (en) * | 2019-01-09 | 2019-03-08 | 荀佳钰 | A kind of Physical Experiment magnetic field simulation device |
-
2015
- 2015-07-09 CN CN201520491588.5U patent/CN204791718U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445679A (en) * | 2015-12-25 | 2016-03-30 | 中国石油天然气集团公司 | Magnetic force line observer |
| CN106297511A (en) * | 2016-11-08 | 2017-01-04 | 胡明建 | A kind of single Magnet magnetic line of force method for designing to iron powder effect of moving |
| CN106297511B (en) * | 2016-11-08 | 2020-06-19 | 胡明建 | Design method for action of moving single-magnet magnetic force line on iron powder |
| CN106448383A (en) * | 2016-11-10 | 2017-02-22 | 胡明建 | A design method for interaction movements of iron powder through vertically in-phase distributed magnetic lines |
| CN106448383B (en) * | 2016-11-10 | 2020-06-05 | 胡明建 | Design method for interaction movement of iron powder by vertical in-phase distribution magnetic lines |
| CN107342007A (en) * | 2017-09-05 | 2017-11-10 | 合肥探奥自动化有限公司 | A kind of magnetic line of force apparatus for demonstrating suitable for science popularization venue |
| CN108445304A (en) * | 2018-03-21 | 2018-08-24 | 台州学院 | Plasma is to magnetic field compression characteristic experiment table |
| CN108445304B (en) * | 2018-03-21 | 2020-04-17 | 台州学院 | Experiment table for compression characteristic of plasma to magnetic field |
| CN109448519A (en) * | 2019-01-09 | 2019-03-08 | 荀佳钰 | A kind of Physical Experiment magnetic field simulation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20200709 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |