CN204215627U - Physical Experiment apparatus for demonstrating - Google Patents
Physical Experiment apparatus for demonstrating Download PDFInfo
- Publication number
- CN204215627U CN204215627U CN201420726911.8U CN201420726911U CN204215627U CN 204215627 U CN204215627 U CN 204215627U CN 201420726911 U CN201420726911 U CN 201420726911U CN 204215627 U CN204215627 U CN 204215627U
- Authority
- CN
- China
- Prior art keywords
- swash plate
- chassis
- slide block
- hinged
- measuring instrument
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A kind of Physical Experiment apparatus for demonstrating, mainly comprise swash plate, chassis, slide block positioning device and whereabouts frame, described swash plate is provided with scale, described slide block positioning device is provided with a deep-slotted chip breaker for placing round slider, it is also provided with touch switch, time switch and time LCDs, it is hinged that rotating shaft is passed through on described swash plate and chassis, described chassis is provided with rubber suction cups, described whereabouts frame is connected in the chute offered swash plate side by bolt, described whereabouts frame is provided with sensor, described Demonstration table is also provided with angel measuring instrument, angel measuring instrument is connected on chassis, described swash plate is hinged with expansion link, it connects telescopic sleeving rod by fastening bolt, it is characterized in that, described telescopic sleeving rod is articulated with on chassis by articulated joint, described swash plate is provided with skateboards slot, four angles of described skateboards slot are respectively provided with a locating clip.The utility model not only has that structure is simple, easy to use, the feature such as be skillfully constructed, and can change different friction plates, can meet and organize requirement of experiment more, improve efficiency of giving lessons.
Description
Technical field
The utility model relates to a kind of experimental apparatus, the Physical Experiment apparatus for demonstrating of a kind of improvement specifically.
Background technology
In primary school's Physical Experiment, the experiment of giving lessons about gravity, friction force principle is absolutely necessary, existing physics demonstration device is generally be placed on one piece of swash plate by a slide block, the length of swash plate is gone out with ruler or tape measure, then the sliding time of manual stopwatch record slide block, and then again theory calculate is carried out to gravity, friction force situation, there is following problem in this test unit: the angle of inclination of swash plate is inconvenient to locate and measure; The sliding time manual time-keeping of slide block, accuracy rate is inadequate, and error is comparatively large, is unfavorable for the theoretical analysis of experimental result.The patent No. is that a kind of Physical Experiment Demonstration table of ZL2014202693804 well solves above-mentioned technical matters, but find in actual applications, this Demonstration table adjust length of telescopic bar time owing to fixing in its lower end and chassis, cause swash plate can not easily adjust when moving in a circle, and this device slip plane friction factor can not adjust, and further can not meet demand of giving lessons.
Summary of the invention
Technical assignment of the present utility model solves the deficiencies in the prior art, the Physical Experiment apparatus for demonstrating of the improvement providing a kind of structure simple, easy to use.
The technical solution of the utility model realizes in the following manner, the Physical Experiment apparatus for demonstrating of this kind of improvement, this Demonstration table mainly comprises swash plate (1), chassis (2), slide block positioning device (3) and whereabouts frame (4), described swash plate (1) is provided with scale, described slide block positioning device (3) is provided with a deep-slotted chip breaker for placing round slider, it is also provided with touch switch (6), time switch (9) and time LCDs (10), described swash plate (1) is hinged by rotating shaft (13) with chassis (2), described chassis (2) is provided with rubber suction cups (11), described whereabouts frame (4) is connected in the chute (12) offered swash plate (1) side by bolt (8), described whereabouts frame (4) is provided with sensor (7), described Demonstration table is also provided with angel measuring instrument (5), angel measuring instrument (5) is connected on chassis (2), described swash plate (1) is hinged with expansion link (14), it connects telescopic sleeving rod (15) by fastening bolt (16), it is characterized in that, described telescopic sleeving rod (15) is articulated with on chassis (2) by articulated joint (17), described swash plate (1) is provided with skateboards slot (18), four angles of described skateboards slot (18) are respectively provided with a locating clip (19).
The beneficial effects of the utility model are:
The Physical Experiment apparatus for demonstrating of a kind of improvement of the present utility model not only has that structure is simple, easy to use, the feature such as be skillfully constructed, and can change different friction plates, can meet and organize requirement of experiment more, improve efficiency of giving lessons.
Accompanying drawing explanation
Accompanying drawing 1 is structural front view of the present utility model.
Accompanying drawing 2 is structure left views of the present utility model.
Embodiment
Be described in detail below below in conjunction with the Physical Experiment apparatus for demonstrating of accompanying drawing to a kind of improvement of the present utility model.
As accompanying drawing 1, shown in Fig. 2, the Physical Experiment apparatus for demonstrating of this kind of improvement, this Demonstration table mainly comprises swash plate (1), chassis (2), slide block positioning device (3) and whereabouts frame (4), described swash plate (1) is provided with scale, described slide block positioning device (3) is provided with a deep-slotted chip breaker for placing round slider, it is also provided with touch switch (6), time switch (9) and time LCDs (10), described swash plate (1) is hinged by rotating shaft (13) with chassis (2), described chassis (2) is provided with rubber suction cups (11), described whereabouts frame (4) is connected in the chute (12) offered swash plate (1) side by bolt (8), described whereabouts frame (4) is provided with sensor (7), described Demonstration table is also provided with angel measuring instrument (5), angel measuring instrument (5) is connected on chassis (2), described swash plate (1) is hinged with expansion link (14), it connects telescopic sleeving rod (15) by fastening bolt (16), it is characterized in that, described telescopic sleeving rod (15) is articulated with on chassis (2) by articulated joint (17), described swash plate (1) is provided with skateboards slot (18), four angles of described skateboards slot (18) are respectively provided with a locating clip (19).
This touch switch is withstood when being put into when slide block on the arc section on locating device, when decontroling slide block and sliding by it, touch switch is triggered, controller controls timer and starts timing, when slide block slides to whereabouts frame and contacts with the force sensor on it time, controller accepts the signal control timer stopping timing that sensor is sent, so far, swash plate angle of inclination, the coasting distance of slide block and time are all known, be convenient to the further analysis carrying out experimental principle, differentiated friction plate can be replaced when needing the contrast test of carrying out different coefficients of friction, experimental result is visual and understandable.
A kind of Physical Experiment Demonstration table of the present utility model has that structure is simple, easy to use, the feature such as be skillfully constructed, the angle of inclination of swash plate sets differing tilt angles by the fastening bolt on expansion link with reference to angel measuring instrument, adjustable stroke support is adopted to carry out the experiment of multiple-pass, touch switch is adopted to coordinate PLC can realize the accurate timing of slide block coasting time with sensor, adopt such scheme, the accuracy of experimental result can be ensured, improve conventional efficient.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on instructions, must determine its technical scope according to right.
Claims (1)
1. the Physical Experiment apparatus for demonstrating improved, this apparatus for demonstrating mainly comprises swash plate (1), chassis (2), slide block positioning device (3) and whereabouts frame (4), described swash plate (1) is provided with scale, described slide block positioning device (3) is provided with a deep-slotted chip breaker for placing round slider, it is also provided with touch switch (6), time switch (9) and time LCDs (10), described swash plate (1) is hinged by rotating shaft (13) with chassis (2), described chassis (2) is provided with rubber suction cups (11), described whereabouts frame (4) is connected in the chute (12) offered swash plate (1) side by bolt (8), described whereabouts frame (4) is provided with sensor (7), described Demonstration table is also provided with angel measuring instrument (5), angel measuring instrument (5) is connected on chassis (2), described swash plate (1) is hinged with expansion link (14), it connects telescopic sleeving rod (15) by fastening bolt (16), it is characterized in that, described telescopic sleeving rod (15) is articulated with on chassis (2) by articulated joint (17), described swash plate (1) is provided with skateboards slot (18), four angles of described skateboards slot (18) are respectively provided with a locating clip (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420726911.8U CN204215627U (en) | 2014-11-17 | 2014-11-17 | Physical Experiment apparatus for demonstrating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420726911.8U CN204215627U (en) | 2014-11-17 | 2014-11-17 | Physical Experiment apparatus for demonstrating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204215627U true CN204215627U (en) | 2015-03-18 |
Family
ID=52984279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420726911.8U Expired - Fee Related CN204215627U (en) | 2014-11-17 | 2014-11-17 | Physical Experiment apparatus for demonstrating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204215627U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110164263A (en) * | 2018-01-17 | 2019-08-23 | 金有芝 | A kind of lift flow rate of liquid experimental provision |
| CN113409669A (en) * | 2021-05-27 | 2021-09-17 | 山东师范大学 | Teaching demonstration device for landslide |
-
2014
- 2014-11-17 CN CN201420726911.8U patent/CN204215627U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110164263A (en) * | 2018-01-17 | 2019-08-23 | 金有芝 | A kind of lift flow rate of liquid experimental provision |
| CN113409669A (en) * | 2021-05-27 | 2021-09-17 | 山东师范大学 | Teaching demonstration device for landslide |
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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: 20150318 Termination date: 20151117 |
|
| EXPY | Termination of patent right or utility model |