CN213545677U - Magnetic experiment demonstration device for physical experiment - Google Patents
Magnetic experiment demonstration device for physical experiment Download PDFInfo
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- CN213545677U CN213545677U CN202022230712.6U CN202022230712U CN213545677U CN 213545677 U CN213545677 U CN 213545677U CN 202022230712 U CN202022230712 U CN 202022230712U CN 213545677 U CN213545677 U CN 213545677U
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- box body
- dustproof box
- magnetic force
- mounting
- slide
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- 238000002474 experimental method Methods 0.000 title claims abstract description 27
- 238000004804 winding Methods 0.000 claims description 11
- 230000005611 electricity Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a magnetic force experiment demonstration device for physical experiment, which belongs to the technical field of education appliances, and comprises a bottom plate and a dustproof box body, wherein two vertical plates are fixedly arranged at the top of the bottom plate, the bottom of the dustproof box body is arranged in an open manner, a lifting block is slidably arranged at one side, which is far away from each other, of the two vertical plates, the lifting block is slidably connected with the inner side wall of the dustproof box body, a horizontally arranged limiting rod is slidably arranged at two sides of the bottom of the dustproof box body, the vertical plates are all limiting grooves which are horizontally arranged at one side, close to the lifting block, of the top, one end of the limiting rod extends into the limiting grooves, a mounting plate is arranged between the two vertical plates, and a power supply; the utility model discloses the realization is convenient for adjust the magnetic field size to the demonstration of relation between magnetic field size and the magnetic force size, and convenient operation is convenient for draw data, and the demonstration is effectual, avoids experimental apparatus to receive the pollution of dust, improves the life of device.
Description
Technical Field
The utility model belongs to the technical field of education apparatus, concretely relates to magnetic force experiment presentation device for physical experiment.
Background
Traditional magnetic force experiment presentation device, in the use, be difficult to the size in control magnetic field, increased user's the operation degree of difficulty, can't carry out the demonstration of relation between magnetic field size and the magnetic force size, it is inconvenient to bring for user's use, and experimental apparatus exposes in the air, receives the pollution of dust easily, influences the life of equipment, consequently, needs a magnetic force experiment presentation device who is used for the physics experiment to solve above problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a magnetic force experiment presentation device for physical experiment to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a magnetic experiment demonstration device for physical experiments comprises a bottom plate and a dustproof box body, wherein two vertical plates are fixedly mounted at the top of the bottom plate, the bottom of the dustproof box body is open, a lifting block is slidably mounted at one side, away from each other, of the two vertical plates, the lifting block is slidably connected with the inner side wall of the dustproof box body, horizontally-arranged limiting rods are slidably mounted at two sides of the bottom of the dustproof box body, horizontally-arranged limiting grooves are formed in one sides, close to the lifting block, of the tops of the vertical plates, one ends of the limiting rods extend into the limiting grooves, a mounting plate is arranged between the two vertical plates, a power supply, a sliding rheostat, a winding roller, a switch and a lead are mounted on the mounting plate respectively, the power supply is electrically connected with the sliding rheostat, the sliding rheostat is connected with the lead, one end of the lead is connected with the switch, the installation has the slide of level setting on the mounting panel, and slidable mounting has the magnet piece of level setting on the slide, and the magnet piece is located the one end of wire winding roller, install the push-pull effort meter that the level set up on the slide, be equipped with the atress pointer on the push-pull effort meter, the one end and the magnet piece fixed connection of atress pointer.
Furthermore, the top of slide fixed mounting has the bracing piece that the slope set up, and the bottom and the mounting panel fixed connection of bracing piece, the top of slide is seted up flutedly, and the pulley is installed to the bottom of magnet piece, and the pulley is connected with the inner wall roll of recess.
Further, the riser is close to one side of elevator and sets up the lift groove of vertical setting, and fixed mounting has the track pole of vertical setting in the lift groove, the elevator is connected with the inner wall sliding connection in lift groove, and the elevator sliding sleeve is located on the track pole.
Furthermore, the bottom both sides of dustproof box are seted up the mounting hole that has the level to set up, the one end that the gag lever post is close to the spacing groove runs through the mounting hole, the inner wall sliding connection of gag lever post and mounting hole.
Further, the mounting panel is located the below of dustproof box, and the length of mounting panel is less than the length of dustproof box.
Compared with the prior art, the beneficial effects of the utility model are that:
through the general knowledge that there is magnetic field around the circular telegram coil, the switch is closed, for the wire circular telegram, form magnetic field, produce the interact power between magnetic field and the magnet piece, repel or attract the magnet piece according to the magnetic field that the wire produced, drive the motion of atress pointer, obtain the magnetic force size through the push-pull dynamometer, through adjusting the resistance size of movable rheostat, the electric current size on the wire changes, can change the intensity size in magnetic field, can realize the demonstration to the relation between magnetic field size and the magnetic force size, be convenient for adjust magnetic field size, and convenient for operate, be convenient for obtain data, and the demonstration is effectual.
After the operation is completed, the limiting rod is separated from the limiting groove by pulling the limiting rod, then the lifting block and the dustproof box body are lowered, so that the dustproof box body enables the lifting block, the mounting plate, the power supply, the sliding rheostat, the winding roller, the switch, the wire, the sliding plate, the magnet block, the push-pull dynamometer and the stress finger needle shield to have good dustproof efficiency in the dustproof box body, experimental equipment is prevented from being polluted by dust, and the service life of the device is prolonged.
The utility model discloses the realization is convenient for adjust the magnetic field size to the demonstration of relation between magnetic field size and the magnetic force size, and convenient operation is convenient for draw data, and the demonstration is effectual, avoids experimental apparatus to receive the pollution of dust, improves the life of device.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
fig. 3 is a schematic view of the cross-sectional structure of the riser part of the present invention.
In the figure: 1. a base plate; 2. a vertical plate; 3. a dustproof box body; 4. a limiting groove; 5. a limiting rod; 6. a lifting block; 7. mounting a plate; 8. a power source; 9. a slide rheostat; 10. a winding roller; 11. A switch; 12. a wire; 13. a slide plate; 14. a magnet block; 15. a push-pull force meter; 16. a force-bearing pointer; 17. a track rod.
Detailed Description
The present invention will be further described with reference to the following examples.
The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.
Referring to fig. 1-3, the utility model provides a magnetic force experiment demonstration device for physical experiment, which comprises a bottom plate 1 and a dustproof box body 3, wherein two vertical plates 2 are fixedly arranged at the top of the bottom plate 1, the bottom of the dustproof box body 3 is open, a lifting block 6 is slidably arranged at one side, which is far away from each other, of the two vertical plates 2, the lifting block 6 is slidably connected with the inner side wall of the dustproof box body 3, two sides of the bottom of the dustproof box body 3 are slidably arranged with a horizontally arranged limiting rod 5, one side, which is close to the lifting block 6, of the top of each vertical plate 2 is provided with a horizontally arranged limiting groove 4, one end of each limiting rod 5 extends into the limiting groove 4, a mounting plate 7 is arranged between the two vertical plates 2, a power supply 8, a slide rheostat 9, a winding roller 10, a switch 11 and a lead 12 are respectively arranged on the mounting plate 7, one end of a wire 12 is connected with a switch 11, the switch 11 is electrically connected with a power supply 8, the wire 12 is wound on a winding roller 10, a horizontally arranged sliding plate 13 is installed on an installation plate 7, a horizontally arranged magnet block 14 is installed on the sliding plate 13 in a sliding mode, the magnet block 14 is located at one end of the winding roller 10, a horizontally arranged push-pull force meter 15 is installed on the sliding plate 13, a stress pointer 16 is arranged on the push-pull force meter 15, and one end of the stress pointer 16 is fixedly connected with the magnet block 14.
In this embodiment, a supporting rod is fixedly mounted on the top of the sliding plate 13, the bottom of the supporting rod is fixedly connected with the mounting plate 7, the top of the sliding plate 13 is provided with a groove, the bottom of the magnet block 14 is provided with a pulley, and the pulley is in rolling connection with the inner wall of the groove.
In this embodiment, the riser 2 is close to one side of lifter 6 and is seted up the lift groove of vertical setting, and fixed mounting has the track pole 17 of vertical setting in the lift groove, and lifter 6 and the inner wall sliding connection in lift groove, 6 sliding sleeve of lifter locate on track pole 17.
In this embodiment, the mounting hole that has the level to set up is seted up to the bottom both sides of dustproof box 3, and the mounting hole is run through to the one end that gag lever post 5 is close to spacing groove 4, and gag lever post 5 and the inner wall sliding connection of mounting hole.
In the present embodiment, the mounting plate 7 is located below the dustproof case 3, and the length of the mounting plate 7 is smaller than that of the dustproof case 3.
When the demonstration device is used, through the common knowledge that a magnetic field exists around the electrified coil, the switch 11 is closed, the wire 12 is electrified to form a magnetic field, an interaction force is generated between the magnetic field and the magnet block 14, the magnet block 14 is repelled or attracted according to the magnetic field generated by the wire 12, the stressed pointer is driven to move, the magnitude of magnetic force is obtained through the push-pull dynamometer, the magnitude of current on the wire 12 can be changed by adjusting the resistance value of the movable rheostat 9, the magnitude of the magnetic field can be changed, the demonstration of the relation between the magnitude of the magnetic field and the magnitude of the magnetic force can be realized, the magnitude of the magnetic field is convenient to adjust, the operation is convenient, data can. After the operation is completed, the limiting rod 5 is separated from the limiting groove 4 by pulling the limiting rod 5, then the lifting block 6 and the dustproof box body 3 are lowered, so that the dustproof box body 3 covers the lifting block 6, the mounting plate 7, the power supply 8, the sliding rheostat 9, the winding roller 10, the switch 11, the lead 12, the sliding plate 13, the magnet block 14, the push-pull force meter 15 and the stress pointer 16 in the dustproof box body 3 to achieve good dustproof efficiency, the experimental equipment is prevented from being polluted by dust, and the service life of the device is prolonged. The utility model discloses the realization is convenient for adjust the magnetic field size to the demonstration of relation between magnetic field size and the magnetic force size, and convenient operation is convenient for draw data, and the demonstration is effectual, avoids experimental apparatus to receive the pollution of dust, improves the life of device.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a magnetic force experiment presentation device for physical experiment, includes bottom plate (1) and dustproof box (3), its characterized in that: the top of the bottom plate (1) is fixedly provided with two vertical plates (2), the bottom of the dustproof box body (3) is arranged in an open manner, one side of each vertical plate (2) which is far away from the other vertical plate is provided with a lifting block (6), the lifting block (6) is connected with the inner side wall of the dustproof box body (3) in a sliding manner, two sides of the bottom of the dustproof box body (3) are provided with horizontally arranged limiting rods (5) in a sliding manner, the vertical plates (2) are provided with horizontally arranged limiting grooves (4) at one sides of the tops which are close to the lifting blocks (6), one ends of the limiting rods (5) extend into the limiting grooves (4), a mounting plate (7) is arranged between the two vertical plates (2), the mounting plate (7) is respectively provided with a power supply (8), a sliding rheostat (9), a winding roller (10), a switch (11) and a lead (12), and the power supply (8, slide rheostat (9) are connected with wire (12), and the one end and the switch (11) of wire (12) are connected, and switch (11) are connected with power (8) electricity, and wire (12) are around locating on winding roller (10), install slide (13) that the level set up on mounting panel (7), slidable mounting has magnet piece (14) that the level set up on slide (13), and magnet piece (14) are located the one end of winding roller (10), install push-and-pull dynamometer (15) that the level set up on slide (13), be equipped with atress pointer (16) on push-and-pull dynamometer (15), the one end and magnet piece (14) fixed connection of atress pointer (16).
2. A magnetic force experiment demonstration apparatus for physical experiments according to claim 1, wherein: the top of slide (13) is fixed with the bracing piece that the slope set up, and the bottom and mounting panel (7) fixed connection of bracing piece, and the top of slide (13) is seted up flutedly, and the pulley is installed to the bottom of magnet piece (14), and the pulley is connected with the inner wall roll of recess.
3. A magnetic force experiment demonstration apparatus for physical experiments according to claim 1, wherein: the utility model discloses a rail pole, including riser (2), riser (6), inner wall sliding connection, elevator (6) slip cap locate on rail pole (17), the riser (2) are close to one side of elevator (6) and set up the lift groove of vertical setting, and the rail pole (17) of vertical setting are fixed mounting to the lift inslot, elevator (6) and lift groove's inner wall sliding connection, elevator (6) slip cap.
4. A magnetic force experiment demonstration apparatus for physical experiments according to claim 1, wherein: the dustproof box body (3) is characterized in that mounting holes are horizontally formed in two sides of the bottom of the dustproof box body, one end, close to the limiting groove (4), of the limiting rod (5) penetrates through the mounting holes, and the limiting rod (5) is connected with the inner wall of the mounting holes in a sliding mode.
5. A magnetic force experiment demonstration apparatus for physical experiments according to claim 1, wherein: the mounting plate (7) is located below the dustproof box body (3), and the length of the mounting plate (7) is smaller than that of the dustproof box body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022230712.6U CN213545677U (en) | 2020-10-09 | 2020-10-09 | Magnetic experiment demonstration device for physical experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022230712.6U CN213545677U (en) | 2020-10-09 | 2020-10-09 | Magnetic experiment demonstration device for physical experiment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213545677U true CN213545677U (en) | 2021-06-25 |
Family
ID=76496107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022230712.6U Expired - Fee Related CN213545677U (en) | 2020-10-09 | 2020-10-09 | Magnetic experiment demonstration device for physical experiment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213545677U (en) |
-
2020
- 2020-10-09 CN CN202022230712.6U patent/CN213545677U/en not_active Expired - Fee Related
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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: 20210625 |