CN209103621U - A kind of physics student acceleration influence factor apparatus for demonstrating - Google Patents
A kind of physics student acceleration influence factor apparatus for demonstrating Download PDFInfo
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- CN209103621U CN209103621U CN201821230666.6U CN201821230666U CN209103621U CN 209103621 U CN209103621 U CN 209103621U CN 201821230666 U CN201821230666 U CN 201821230666U CN 209103621 U CN209103621 U CN 209103621U
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- China
- Prior art keywords
- demonstration
- trolley
- demonstration trolley
- influence factor
- paper slip
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Abstract
The utility model discloses a kind of physics student acceleration influence factor apparatus for demonstrating, including dotted timer and demonstration trolley, the dotted timer and demonstration trolley bottom sidewall are provided with Demonstration table, counterweight slot is offered inside the demonstration trolley, and demonstration trolley top sidewall is fixed with fixed link, the demonstration trolley is connected with each other by fixed link and rubber band and rubber band column, and demonstration trolley and the central axis of fixed link overlap, the Demonstration table top sidewall is equipped with dotted timer, and dotted timer is connected with each other by paper slip and paper slip folder with demonstration trolley, and dotted timer, paper slip, the central axis of paper slip folder and demonstration trolley overlaps, the Demonstration table and demonstration trolley junction are provided with graduation apparatus.The physics student acceleration influence factor apparatus for demonstrating drives demonstration trolley movement by rubber band, simplifies apparatus structure convenient for student resource operation, student is improved to the interest of Physical Experiment, to improve Physics Learning effect.
Description
Technical field
The utility model relates to physics teaching equipment technical field, specially a kind of physics student acceleration influence factor is drilled
Showing device.
Background technique
Physics is to study the subject of the motion of matter most typically rule and substance basic structure.As taking the lead for natural science
Subject, physics research become greatly to universe, as low as all substances such as elementary particle most basic forms of motion and rule
The Research foundation of other each natural branch of science.Its theoretical construct makes full use of mathematics as oneself working language, with
It tests as the sole criterion for examining theoretical correctness, it is a current most accurate natural science subject.
It needs to discuss to acceleration influence factor in existing Physical Experiment, judges the factor for influencing to accelerate, it is existing
Acceleration influence factor experimental rig structure is complicated, be not easy to student resource operation, while its motive force is unable to get effectively
Guarantee, to reduce the accuracy of test.
Utility model content
It is above-mentioned to solve the purpose of this utility model is to provide a kind of physics student acceleration influence factor apparatus for demonstrating
The existing apparatus structure complexity proposed in background technique is not easy to the problem of operation.
To achieve the above object, the utility model provides the following technical solutions: a kind of physics student acceleration influence factor
Apparatus for demonstrating, including dotted timer and demonstration trolley, the dotted timer and demonstration trolley bottom sidewall are provided with Demonstration table, institute
State and offer counterweight slot inside demonstration trolley, and demonstration trolley top sidewall is fixed with fixed link, the demonstration trolley by fixed link and
Rubber band and rubber band column are connected with each other, and demonstration trolley and the central axis of fixed link overlap.
Preferably, the Demonstration table top sidewall is equipped with dotted timer, and dotted timer passes through paper slip and paper slip
Folder is connected with each other with demonstration trolley, and the central axis of dotted timer, paper slip, paper slip folder and demonstration trolley overlaps.
Preferably, the Demonstration table and demonstration trolley junction are provided with graduation apparatus, and rubber band column is laterally right about graduation apparatus
Claim axis installation symmetrical above and below, and the central axis of demonstration trolley and graduation apparatus overlaps.
Preferably, skateboard slot is offered inside the Demonstration table, and skateboard slot inner sidewall is connected with slide plate, the skateboard slot
It mutually coincide with the volume equal shape size of slide plate, and the connection type between skateboard slot and slide plate is to be slidably connected.
Preferably, the slide plate top sidewall is connected with frictional layer, and the shape size of slide plate and frictional layer mutually coincide,
And the connection type between slide plate and frictional layer is bonding connection.
Compared with prior art, the utility model has the beneficial effects that physics student acceleration influence factor demonstration dress
It sets and demonstration trolley movement is driven by rubber band, simplify apparatus structure convenient for student resource operation, improve student to physics reality
The interest tested, to improve Physics Learning effect.
Detailed description of the invention
Fig. 1 is a kind of physics student acceleration influence factor apparatus for demonstrating schematic top plan view of the utility model；
Fig. 2 is a kind of physics student acceleration influence factor apparatus for demonstrating schematic side view of the utility model；
Fig. 3 is a kind of physics student acceleration influence factor apparatus for demonstrating demonstration trolley structural schematic diagram of the utility model；
Fig. 4 is a kind of physics student acceleration influence factor apparatus for demonstrating skateboard schematic diagram of the utility model.
In figure: 1, Demonstration table, 2, dotted timer, 3, paper slip, 4, paper slip folder, 5, demonstration trolley, 6, counterweight slot, 7, fixation
Bar, 8, rubber band, 9, rubber band column, 10, graduation apparatus, 11, skateboard slot, 12, slide plate, 13, frictional layer.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of physics student acceleration influence factor demonstration
Device, including dotted timer 2 and demonstration trolley 5, dotted timer 2 and 5 bottom sidewall of demonstration trolley are provided with Demonstration table 1, demonstration
1 top sidewall of platform is equipped with dotted timer 2, and dotted timer 2 is interconnected by paper slip 3 and paper slip folder 4 with 5 phase of demonstration trolley
It connects, and the central axis of dotted timer 2, paper slip 3, paper slip folder 4 and demonstration trolley 5 overlaps, and is overlapped by central axis
Dotted timer 2, paper slip 3, paper slip folder 4 and demonstration trolley 5 be convenient for the writing speed changing rule on paper slip 3 of dotted timer 2
Experiment accuracy is improved, while being connected with each other paper slip 3 and dotted timer 2 convenient for student by paper slip folder 4, reduces device behaviour
Make difficulty, Demonstration table 1 and 5 junction of demonstration trolley are provided with graduation apparatus 10, and rubber band column 9 is about on the lateral symmetry axis of graduation apparatus 10
Under be symmetrically installed, and the central axis of demonstration trolley 5 and graduation apparatus 10 overlaps, the demonstration trolley 5 to be overlapped by central axis
8 tensile elongation of rubber band is controlled convenient for student with graduation apparatus 10, so that the size variation of 5 motive force of demonstration trolley is controlled, Demonstration table 1
Inside offers skateboard slot 11, and 11 inner sidewall of skateboard slot is connected with slide plate 12, the shape equal with the volume of slide plate 12 of skateboard slot 11
Shape size is mutually coincide, and the connection type between skateboard slot 11 and slide plate 12 is to be slidably connected, and passes through the cunning being slidably connected
Board slot 11 and slide plate 12 are convenient for student to probe into the influence that frictional force accelerates demonstration trolley 5, while volume equal shape size is mutual
Identical skateboard slot 11 and slide plate 12 simplify apparatus structure, further improve device operation ease, 12 top sidewall of slide plate
Be connected with frictional layer 13, and the shape size of slide plate 12 and frictional layer 13 mutually coincide, and slide plate 12 and frictional layer 13 it
Between connection type be bonding connection, by bonding connection slide plate 12 and frictional layer 13 convenient for student replace different coefficients of friction
Frictional layer 13, improve experiment accuracy, offer skateboard slot 11 inside Demonstration table 1, and 11 inner sidewall of skateboard slot is connected with cunning
The volume equal shape size of plate 12, skateboard slot 11 and slide plate 12 is mutually coincide, and the company between skateboard slot 11 and slide plate 12
Connecing mode is to be slidably connected, and drives demonstration trolley 5 to move by rubber band 8, simplifies apparatus structure convenient for student resource operation, mentions
High interest of the student to Physical Experiment, to improve Physics Learning effect.
Working principle: when using the physics student acceleration influence factor apparatus for demonstrating, each zero in first check device
It is intact whether component connects, and when experimenter probes into pressure to acceleration influence factor after inspection, paper slip 3 is first passed through paper
Item folder 4 is connected with each other with demonstration trolley 5, then takes out the counterweight in counterweight slot 6, slide plate 12 and skateboard slot 11 are connected with each other,
Fixed link 7 and rubber band 8 are connected with each other after slide plate 12 is fixed, demonstration trolley 5 is slowly pulled to graduation apparatus 10 and is properly carved
At degree, release demonstration trolley 5 gets different calibration points by dotted timer 2 on paper slip 3 after stablizing to demonstration trolley 5, will
Paper slip 3, which is removed, to be replaced completely new paper slip 3 and is connected with each other from newly with dotted timer 2 and demonstration trolley 5, while by a certain number of weights
Stacking is placed in counterweight slot 6, changes 5 pressure of demonstration trolley, demonstration trolley 5 is then pulled to 10 position of identical graduation table, is released again
Demonstration trolley 5 is put, calibration points are got on paper slip 3 by dotted timer 2 again, it is real altogether with same step to add counterweight again
Multiple groups are tested, the influence for probing into pressure to acceleration is compared to all paper slips, are when probing into influence of the motive force to acceleration,
In the case that staff guarantees that 5 pressure of demonstration trolley and slide plate 12 are constant, it is different that demonstration trolley 5 is pulled to graduation apparatus 10 several times
Position by change rubber band 8 level of stretch change demonstration trolley 5 motive force, recorded again by dotted timer 2
Paper slip 3 probe into influence of the motive force to acceleration, when probing into influence of the frictional force to acceleration, experimenter guarantee drill
In the case where showing that 5 pressure of vehicle and 8 level of stretch of rubber band are constant, the frictional layer 13 of different coefficients of friction is replaced respectively, is changed and is slided
The coefficient of friction on 12 surface of plate, the influence that frictional force is then probed into acceleration by the paper slip 3 that dotted timer 2 is recorded,
Here it is the use processes of the physics student acceleration influence factor apparatus for demonstrating.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (5)
1. a kind of physics student acceleration influence factor apparatus for demonstrating, including dotted timer (2) and demonstration trolley (5), described to beat
Point timer (2) and demonstration trolley (5) bottom sidewall is provided with Demonstration table (1), it is characterised in that: opens inside the demonstration trolley (5)
Equipped with counterweight slot (6), and demonstration trolley (5) top sidewall is fixed with fixed link (7), the demonstration trolley (5) by fixed link (7) and
Rubber band (8) and rubber band column (9) are connected with each other, and demonstration trolley (5) and the central axis of fixed link (7) overlap.
2. a kind of physics student acceleration influence factor apparatus for demonstrating according to claim 1, it is characterised in that: described to drill
Show that platform (1) top sidewall is equipped with dotted timer (2), and dotted timer (2) is pressed from both sides (4) and drilled by paper slip (3) and paper slip
Show that vehicle (5) are connected with each other, and the central axis phase mutual respect of dotted timer (2), paper slip (3), paper slip folder (4) and demonstration trolley (5)
It closes.
3. a kind of physics student acceleration influence factor apparatus for demonstrating according to claim 1, it is characterised in that: described to drill
Show that platform (1) and demonstration trolley (5) junction are provided with graduation apparatus (10), and rubber band column (9) is about graduation apparatus (10) lateral symmetry axis
Installation symmetrical above and below, and the central axis of demonstration trolley (5) and graduation apparatus (10) overlaps.
4. a kind of physics student acceleration influence factor apparatus for demonstrating according to claim 1, it is characterised in that: described to drill
Show and offer skateboard slot (11) inside platform (1), and skateboard slot (11) inner sidewall is connected with slide plate (12), the skateboard slot (11) and
The volume equal shape size of slide plate (12) is mutually coincide, and the connection type between skateboard slot (11) and slide plate (12) is to slide
Dynamic connection.
5. a kind of physics student acceleration influence factor apparatus for demonstrating according to claim 4, it is characterised in that: the cunning
Plate (12) top sidewall is connected with frictional layer (13), and the shape size of slide plate (12) and frictional layer (13) mutually coincide, and
Connection type between slide plate (12) and frictional layer (13) is bonding connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821230666.6U CN209103621U (en) | 2018-08-01 | 2018-08-01 | A kind of physics student acceleration influence factor apparatus for demonstrating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821230666.6U CN209103621U (en) | 2018-08-01 | 2018-08-01 | A kind of physics student acceleration influence factor apparatus for demonstrating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209103621U true CN209103621U (en) | 2019-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821230666.6U Expired - Fee Related CN209103621U (en) | 2018-08-01 | 2018-08-01 | A kind of physics student acceleration influence factor apparatus for demonstrating |
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| CN (1) | CN209103621U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118046056A (en) * | 2024-04-15 | 2024-05-17 | 南昌工学院 | Laser tin melting and welding equipment and detachable nozzle thereof |
-
2018
- 2018-08-01 CN CN201821230666.6U patent/CN209103621U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118046056A (en) * | 2024-04-15 | 2024-05-17 | 南昌工学院 | Laser tin melting and welding equipment and detachable nozzle thereof |
| CN118046056B (en) * | 2024-04-15 | 2024-07-05 | 南昌工学院 | Laser tin melting and welding equipment and detachable nozzle thereof |
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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: 20190712 Termination date: 20200801 |