CN203325293U - Demonstrator for magnetic lines of force - Google Patents
Demonstrator for magnetic lines of force Download PDFInfo
- Publication number
- CN203325293U CN203325293U CN2013203124276U CN201320312427U CN203325293U CN 203325293 U CN203325293 U CN 203325293U CN 2013203124276 U CN2013203124276 U CN 2013203124276U CN 201320312427 U CN201320312427 U CN 201320312427U CN 203325293 U CN203325293 U CN 203325293U
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- magnetic force
- magnetic
- force
- pointer
- magnet
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Abstract
The utility model discloses a demonstrator for magnetic lines of force and belongs to the technical field of teaching instruments and teaching equipment, which comprises an operating panel, a magnetic indicating finger and a magnet. According to the technical scheme of the utility model, the magnetic indicating finger fixed onto the operating panel is arranged on a magnetic indicating finger tripod through a universal ball. In this way, the magnetic lines of force can be demonstrated for students in any spatial direction by means of the operating panel. Meanwhile, the variation condition of the magnetic lines of force can be demonstrated by the magnetic indicating finger through changing the orientation of the magnet. The demonstrator has the advantages is flexible in variation, visual in effect, and simple and easy to understand.
Description
Technical field
The utility model belongs to the teaching instrument and equipment technical field, particularly a kind of demonstration device of the magnetic line of force for physics teaching.
Background technology
In physics teaching, during the explanation magnetic line of force, because being cannot see impalpable things, oral telling about is difficult to be understood by the beginner, can only be by means of demonstration.Current demonstration is generally to adopt swarf to be sprinkling upon on blank sheet of paper, then approaches magnet, can see that iron filings distribute regularly around each magnetic pole of magnet.
But this method can only horizontal positioned, can only allow the student who sits in front see, the student of back must go to foreground and just can see clearly, certainly will affect classroom discipline like this, and in addition, swarf also easily drops, and operates very inconvenient.
The utility model content
Technical problem to be solved in the utility model is to provide a kind ofly can vertically show the apparatus for demonstrating of the magnetic line of force, in order to make the student can understand better the magnetic line of force.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is a kind of magnetic line of force demonstration device, comprise operation board, magnetic force pointer and magnet, it is characterized in that described magnet is fixed on center on operation board, the magnetic force pointer according to set magnetic line be fixed on magnet on operation board around; Described magnetic force pointer is configured to by magnetic force pin and magnetic force stitch, there is the multi-directional ball chamber at the center of magnetic force pin bottom, the bottom of magnetic force stitch frame is base, and top is multi-directional ball, and the multi-directional ball on magnetic force stitch frame is inserted in the multi-directional ball chamber on the magnetic force pin and forms the magnetic force pointer; The magnetic force pointer is fixed on operation board by base.
The beneficial effects of the utility model are because the magnetic force pointer is fixed on operation board, and the magnetic force pin is arranged on magnetic force stitch frame by multi-directional ball, operation board can be demonstrated the magnetic line of force to the student on any direction in space like this, and variable magnet orientation is by the change conditions of the magnetic force pointer demonstration magnetic line of force, conversion flexibly, effect is directly perceived, is easily understood.
The accompanying drawing explanation
The one-piece construction schematic diagram that Fig. 1 is the utility model magnetic line of force demonstration device.
The one-piece construction schematic diagram that Fig. 2 is magnetic force pointer in the utility model.
The structural representation that Fig. 3 is magnetic force pin in the utility model.
The structural representation that Fig. 4 is magnetic force pointer foot rest in the utility model.
In figure: 1. operation board, 2. magnetic force pointer, 3. magnet, 4. magnetic force stitch frame, 5. multi-directional ball, 6. base, 7. multi-directional ball chamber.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail.
As shown in Figure 2,3, 4, with plastic cement, make magnetic force stitch frame 4, its bottom is cup dolly 6, and top is spherical multi-directional ball 5; Get again the magnetic force pin, dig a ball chamber as multi-directional ball chamber 7 in magnetic force pin bottom, then the multi-directional ball 5 on magnetic force stitch frame 4 is inserted in multi-directional ball chamber 7, but make flexible motion and the magnetic force pointer 2 that can not drop; Get again a plank as operation board 1, bar magnet 3 is fixedly mounted on to the operation board center, magnetic force pointer 2 is distributed on magnetic line, and the base of magnetic force pointer 26 is fixed on operation board 1, made the utility model magnetic line of force demonstration device.
Claims (1)
1. magnetic line of force demonstration device, comprise operation board (1), magnetic force pointer (2) and magnet (3), it is characterized in that described magnet (3) is fixed on the upper center of operation board (1), magnetic force pointer (2) according to set magnetic line be fixed on the upper magnet (3) of operation board (1) around; Described magnetic force pointer (2) consists of magnetic force pin and magnetic force stitch frame (4), there is multi-directional ball chamber (7) at the center of magnetic force pin bottom, the bottom of magnetic force stitch frame (4) is base (6), top is multi-directional ball (5), and the multi-directional ball (5) on magnetic force stitch frame (4) is inserted in the multi-directional ball chamber (7) on the magnetic force pin and forms magnetic force pointer (2); Magnetic force pointer (2) is fixed on operation board (1) by base (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203124276U CN203325293U (en) | 2013-06-03 | 2013-06-03 | Demonstrator for magnetic lines of force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203124276U CN203325293U (en) | 2013-06-03 | 2013-06-03 | Demonstrator for magnetic lines of force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203325293U true CN203325293U (en) | 2013-12-04 |
Family
ID=49664610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203124276U Expired - Fee Related CN203325293U (en) | 2013-06-03 | 2013-06-03 | Demonstrator for magnetic lines of force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203325293U (en) |
Cited By (2)
| 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 |
| CN109727515A (en) * | 2019-03-06 | 2019-05-07 | 张嘉馨 | A kind of magnetic line of force and the visual generator model of current direction |
-
2013
- 2013-06-03 CN CN2013203124276U patent/CN203325293U/en not_active Expired - Fee Related
Cited By (2)
| 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 |
| CN109727515A (en) * | 2019-03-06 | 2019-05-07 | 张嘉馨 | A kind of magnetic line of force and the visual generator model of current direction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20140603 |