CN205230455U - Novel middle school physics experiment demonstration device - Google Patents
Novel middle school physics experiment demonstration device Download PDFInfo
- Publication number
- CN205230455U CN205230455U CN201520933530.1U CN201520933530U CN205230455U CN 205230455 U CN205230455 U CN 205230455U CN 201520933530 U CN201520933530 U CN 201520933530U CN 205230455 U CN205230455 U CN 205230455U
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- base
- housing
- baffle
- baffle plate
- slide rail
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- 238000002474 experimental method Methods 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000012795 verification Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of middle school physical teaching apparatus and specifically relates to a novel middle school physics experiment demonstration device, including base, baffle, slide rail, electro -magnet, frame, steel ball, 4 angles of base all are equipped with the leveling bolt, are equipped with 1 and base vertically baffle on the base, and the baffle upper end is equipped with the handle, is equipped with perpendicular line and angle line on the baffle, are equipped with the peg on the baffle of angle line centre of a circle department, are equipped with the cycloid on the peg, and cycloid one end is connected with 1 frame, is equipped with 1 vertical panel between base and the baffle, is equipped with the slide rail on the vertical panel, and the slide rail upper end is equipped with the horizontal plate, is equipped with 1 pole setting between horizontal plate and the base, is equipped with the scale in the pole setting. The utility model has the advantages of reasonable design, easy operation is convenient, has reduced the human error of experiment operation in -process, and data measurement is convenient in the experimentation, carries out the data calculation of formula after the experiment of being convenient for, has deepened the understanding degree of student to the formula theorem, has strengthened the effect of physics experiment demonstration.
Description
Technical field
The utility model relates to physical teaching aid for middle school field, especially a kind of novel middle school physical experiment apparatus for demonstrating.
Background technology
At present in the experimental teaching demonstrations such as Middle School Physics kinetic energy, gravitional force, the law of conservation of mechanical energy, some counterweights of many employings pull the experimental technique of dolly to demonstrate, experimental implementation bothers, experimental data is difficult to measuring and calculating, the verification computation of theorem formula cannot be carried out, student is dark to the understanding of Ben Dinglv after experimental demonstration, fails to reach the object of physics experiment teaching demonstration.
Utility model content
The purpose of this utility model provides a kind of novel middle school physical experiment apparatus for demonstrating to overcome above-mentioned technical disadvantages.
The technical scheme that the utility model technical solution problem adopts is: a kind of novel middle school physical experiment apparatus for demonstrating, comprise base, baffle plate, slide rail, electromagnet, housing, steel ball, 4 angles of described base are equipped with leveling bolt, base is provided with 1 baffle plate vertical with base, baffle plate upper end is provided with handle, baffle plate is provided with perpendicular line and angle line, the baffle plate of angle line circle centre position is provided with peg, peg is provided with cycloid, cycloid one end is connected with 1 housing, 1 vertical panel is provided with between base and baffle plate, vertical panel is provided with slide rail, slide rail upper end is provided with leveling board, 1 vertical rod is provided with between leveling board and base, vertical rod is provided with scale.Be provided with scale and angle line can carry out DATA REASONING easily, be convenient to the verification computation carrying out formula after testing.
Described housing is the casing of 1 one end open, and the frame wall of housing lower end is provided with 1 pin-and-hole, is inserted with 1 backing pin in pin-and-hole, backing pin outside housing is provided with 1 extension spring, housing inner sleeve has a U-board, is placed with 1 steel ball in U-board, is provided with 1 Compress Spring between U-board and housing.When steel ball is with certain velocity shock U-board, U-board compresses Compress Spring inwards, expose pin-and-hole, backing pin is under the elastic reaction of extension spring, prevent steel ball from ejecting through pin-and-hole, steel ball is upwards swung together with housing, is convenient to carry out data calculating according to the law of conservation of momentum and the law of conservation of mechanical energy.
Described leveling board is provided with 1 vertical line, and vertical line lower end is provided with 1 plummet, and in vertical rod, cover has 1 U-shaped support, and U-shaped support is provided with sliding tray, is provided with set bolt in sliding tray, and U-shaped support front end is provided with electromagnet, and electromagnet external wire, wire is provided with switch.Use the reference position of electromagnet stationary balls, when can prevent by manual manipulation steel ball drop, the bad measurement of data, and the initial velocity easily giving steel ball certain when hand is put, cause measurement data inaccurate.
The beneficial effect that the utility model has is: the utility model reasonable in design, simple to operation, decrease the personal error in experimental implementation process, in experimentation, DATA REASONING is convenient, the data of being convenient to carry out after testing formula calculate, deepen the degree of understanding of student to formula theorem, enhance the effect of physics experiment teaching demonstration.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model.
Embodiment
Be described below below in conjunction with accompanying drawing 1 pair of the utility model.
As shown in Figure 1, the utility model comprises base 1, baffle plate 2, slide rail 5, electromagnet 13, housing 22, steel ball 25, 4 angles of described base 1 are equipped with leveling bolt 4, base 1 is provided with 1 baffle plate 2 vertical with base 1, baffle plate 2 upper end is provided with handle 3, baffle plate 2 is provided with perpendicular line 16 and angle line 20, the baffle plate 2 of angle line 20 circle centre position is provided with peg 19, peg 19 is provided with cycloid 21, cycloid 21 one end is connected with 1 housing 22, 1 vertical panel 7 is provided with between base 1 and baffle plate 2, vertical panel 7 is provided with slide rail 5, slide rail 5 upper end is provided with leveling board 6, 1 vertical rod 8 is provided with between leveling board 6 and base 1, vertical rod 8 is provided with scale 9.Be provided with scale 9 and angle line 20 can carry out DATA REASONING easily, be convenient to the verification computation carrying out formula after testing.
Described housing 22 is the casing of 1 one end open, the frame wall of housing 22 lower end is provided with 1 pin-and-hole 28,1 backing pin 26 is inserted with in pin-and-hole 28, backing pin 26 outside housing 22 is provided with 1 extension spring 27, housing 22 inner sleeve has a U-board 24, be placed with 1 steel ball 25 in U-board 24, between U-board 24 and housing 22, be provided with 1 Compress Spring 23.When steel ball 25 is with certain velocity shock U-board 24, U-board 24 compresses Compress Spring 23 inwards, expose pin-and-hole 28, backing pin 26 is under the elastic reaction of extension spring 27, prevent steel ball 25 from ejecting through pin-and-hole 28, steel ball 25 is upwards swung together with housing 22, is convenient to carry out data calculating according to the law of conservation of momentum and the law of conservation of mechanical energy.
Described leveling board 6 is provided with 1 vertical line 17, vertical line 17 lower end is provided with 1 plummet 18, in vertical rod 8, cover has 1 U-shaped support 10, U-shaped support 10 is provided with sliding tray 11, set bolt 12 is provided with in sliding tray 11, U-shaped support 10 front end is provided with electromagnet 13, and electromagnet 13 external wire 14, wire 14 is provided with switch 15.Use the reference position of electromagnet 13 stationary balls 25, when can prevent from falling with manual manipulation steel ball 25, the bad measurement of data, and the initial velocity easily giving steel ball 25 certain when hand is put, cause measurement data inaccurate.
During experimental implementation, the steel ball 25 of homogenous quantities is unclamped from diverse location, impact housing 22 to swing, measure relevant data, the steel ball 25 re-using different quality unclamps from same position, impacts housing 22 and swings, measure relevant data, kinetic energy can be demonstrated out intuitively relevant with quality and speed, gravitional force and mass of object and highly relevant, can carry out the verification computation of relevant experimental data simultaneously according to momentum conservation and the law of conservation of mechanical energy.
Claims (3)
1. a novel middle school physical experiment apparatus for demonstrating, comprise base, baffle plate, slide rail, electromagnet, housing, steel ball, it is characterized in that: 4 angles of described base are equipped with leveling bolt, base is provided with 1 baffle plate vertical with base, baffle plate upper end is provided with handle, baffle plate is provided with perpendicular line and angle line, the baffle plate of angle line circle centre position is provided with peg, peg is provided with cycloid, cycloid one end is connected with 1 housing, 1 vertical panel is provided with between base and baffle plate, vertical panel is provided with slide rail, slide rail upper end is provided with leveling board, 1 vertical rod is provided with between leveling board and base, vertical rod is provided with scale.
2. the novel middle school physical experiment apparatus for demonstrating of one according to claim 1, it is characterized in that: described housing is the casing of 1 one end open, the frame wall of housing lower end is provided with 1 pin-and-hole, 1 backing pin is inserted with in pin-and-hole, backing pin outside housing is provided with 1 extension spring, housing inner sleeve has a U-board, is placed with 1 steel ball in U-board, is provided with 1 Compress Spring between U-board and housing.
3. the novel middle school physical experiment apparatus for demonstrating of one according to claim 1, it is characterized in that: described leveling board is provided with 1 vertical line, vertical line lower end is provided with 1 plummet, in vertical rod, cover has 1 U-shaped support, U-shaped support is provided with sliding tray, is provided with set bolt in sliding tray, and U-shaped support front end is provided with electromagnet, electromagnet external wire, wire is provided with switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520933530.1U CN205230455U (en) | 2015-11-20 | 2015-11-20 | Novel middle school physics experiment demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520933530.1U CN205230455U (en) | 2015-11-20 | 2015-11-20 | Novel middle school physics experiment demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205230455U true CN205230455U (en) | 2016-05-11 |
Family
ID=55905503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520933530.1U Expired - Fee Related CN205230455U (en) | 2015-11-20 | 2015-11-20 | Novel middle school physics experiment demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205230455U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109365025A (en) * | 2018-12-06 | 2019-02-22 | 梅书豪 | A kind of physical and mechanical experiment station and its working method |
-
2015
- 2015-11-20 CN CN201520933530.1U patent/CN205230455U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109365025A (en) * | 2018-12-06 | 2019-02-22 | 梅书豪 | A kind of physical and mechanical experiment station and its working method |
| CN109365025B (en) * | 2018-12-06 | 2020-11-10 | 梅书豪 | Physical mechanics experiment operating platform and working mode thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20161120 |