CN203573534U - Reactive movement demonstrating device - Google Patents
Reactive movement demonstrating device Download PDFInfo
- Publication number
- CN203573534U CN203573534U CN201320661094.8U CN201320661094U CN203573534U CN 203573534 U CN203573534 U CN 203573534U CN 201320661094 U CN201320661094 U CN 201320661094U CN 203573534 U CN203573534 U CN 203573534U
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- water container
- water
- crossbeam
- demonstrating device
- fixed
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Abstract
The utility model discloses a reactive movement demonstrating device which comprises a water container and a fixed bracket. The fixed bracket comprises a crossbeam and a base, wherein the crossbeam and the base are connected through a left column and a right column. The top of the water container is provided with an upper cover. The center of the upper cover is provided with an upper rotatable support. The inner ring of the upper rotatable support is fixedly connected with an upper rotating shaft. The upper rotating shaft is fixed on the crossbeam through an adjusting screw. The water outlet of the water container is provided with a lower cover. Two horizontal nozzles are symmetrically arranged at the left part and the right part of the lower cover. The horizontal nozzles are communicated with the inner chamber of the water container. The opening direction of the horizontal nozzle is in the horizontal circumferential direction. The center of the lower cover is provided with a lower rotating shaft. The lower rotating shaft is snapped on a lower rotatable support arranged on the base. Through respectively arranging the upper rotatable support and the lower rotatable support, the reactive movement demonstrating device has advantages of: effectively reducing resistance of the water container in rotation, improving the demonstrating effect, simultaneously ensuring reliable connection between the water container and the fixed bracket, prolonging service life of the equipment, and realizing simple structure and easy realization.
Description
Technical field
The utility model relates to a kind of physics teaching experiment apparatus for demonstrating, relates in particular to a kind of Backflushing movement demonstrating device.
Background technology
In high school physics mechanics course, teacher need to lecture law of conservation of energy to student, and traditional oral teaching efficiency is not satisfactory.The one that is law of conservation of energy due to recoil embodies mode, and at present, teacher often can use Backflushing movement demonstrating device to demonstrate when lecturing law of conservation of energy, to improve the quality of teaching, improves student's learning interest.At present, conventional Backflushing movement demonstrating device comprises the Backflushing movement demonstrating device as described in patent CN 201732498U, comprise tank, tank sidewall is fixed with support, and support comprises connected vertical beam and crossbeam, and crossbeam is positioned at directly over tank, on crossbeam, rotate and be provided with water container, the bottom of water container is provided with at least one and the nozzle that water container inner chamber communicates, and nozzle is positioned at tank, and the opening direction of nozzle is along horizontal circumferencial direction.Water container in publication is taper, and the top of water container is fixed with web joint, and web joint is arranged on crossbeam by screw and nut.In the course of the work, water container only has by screw and nut and is arranged on the support point of web joint on crossbeam Backflushing movement demonstrating device in publication, and in rotation process, resistance is larger, and demonstration effect is undesirable; Meanwhile, after repeated multiple times use, water container very easily comes off with web joint, causes device damage.
Utility model content
The purpose of this utility model is to provide a kind of Backflushing movement demonstrating device, can improve the demonstration effect of equipment, extends working time, simple in structure.
The utility model adopts following technical proposals:
A kind of Backflushing movement demonstrating device, comprise water container and fixed support, fixed support comprises crossbeam and base, crossbeam is connected by two of left and right column with base, described water container is arranged on fixed support inside, the top of water container is provided with upper cover, upper cover center is provided with upper rotary supporting, upper rotary supporting inner ring is fixedly connected with rotating shaft, upper rotating shaft is fixed on crossbeam by set screw, the water delivering orifice of water container is provided with lower cover, lower cover is symmetrically set with two horizontal nozzles, horizontal nozzles communicates with water container inner chamber, the opening direction of horizontal nozzles is along horizontal circumferencial direction, lower cover center is provided with lower rotary shaft, and lower rotary shaft is connected on the lower pivoting support arranging on base.
Described upper cap surface is provided with several water filling ports.
The water delivering orifice of described water container is provided with steel ball plug, and the diameter of steel ball plug mates with water delivering orifice diameter.
Also comprise tank, described fixed support is placed in tank.
On described tank sidewall, be provided with pump mouth, pump mouth connects the water inlet end of micro pump by suction hose, and the water side of micro pump is connected with the water filling flexible pipe being fixed on fixed support, and the water delivering orifice of water filling flexible pipe is fixed on crossbeam.
The utility model, by upper rotary supporting and lower pivoting support are set respectively, can effectively reduce water container resistance when rotated, improves demonstration effect, guarantee water container and support bracket fastened reliable connection simultaneously, the service time of extension device, simple in structure, be easy to realize.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, the utility model comprises water container 1 and fixed support, and fixed support comprises crossbeam 2 and base 3, and crossbeam 2 is connected by two of left and right column 4 with base 3.Water container 1 is arranged on fixed support inside, and the top of water container 1 is provided with upper cover 5, and upper cover 5 centers are provided with upper rotary supporting 6, and upper rotary supports 6 inner rings and is fixedly connected with rotating shaft 7, and upper rotating shaft 7 is fixed on crossbeam 2 by set screw 8; The water delivering orifice of water container 1 is provided with lower cover 9, and lower cover 9 is symmetrically set with two horizontal nozzles 10, and horizontal nozzles 10 communicates with water container 1 inner chamber, and opening 11 directions of horizontal nozzles 10 are along horizontal circumferencial direction; Lower cover 9 centers are provided with lower rotary shaft 12, and lower rotary shaft 12 is connected on the lower pivoting support 13 arranging on base 3.By upper rotary supporting 6 and lower pivoting support 13 are set respectively, can effectively reduce water container 1 resistance when rotated, guarantee water container 1 and support bracket fastened reliable connection simultaneously.
The utility model also comprises tank 16, and fixed support is placed in tank 16.In order to realize the lasting rotation of water container 1, on tank 16 sidewalls, be provided with pump mouth 17, pump mouth 17 connects the water inlet end of micro pump 19 by suction hose 18, the water side of micro pump 19 is connected with the water filling flexible pipe 20 being fixed on fixed support, and the water delivering orifice of water filling flexible pipe 20 is fixed on crossbeam 2.Micro pump 19 is sustainable extracts the water in tank 16 out, successively by suction hose 18, micro pump 19 and water filling flexible pipe 20, be fixed on water filling flexible pipe 20 water delivering orifices on crossbeam 2, several water filling ports that arrange from upper cover 5 surface inject water in water container 1.
The utility model, when demonstration, first takes out water container 1, utilizes steel ball plug 14 to close the water delivering orifice of water container 1; Then water container 1 is arranged on fixed support, by set screw 8, regulates water container 1 to proper height, make water container 1 flexible rotating under upper rotary supporting 6 and 13 effects of lower pivoting support; Several water filling ports that arrange by upper cover 5 surfaces again inject water in water container 1, and fixed support is placed in tank 16; Finally by tightrope 15, mention steel ball plug 14, the water in water container 1 inner chamber is sprayed by two horizontal nozzles 10, due to the recoil effect of current, water container 1, to the opposite direction generation recoil of current, makes water container 1 continue rotation.
Claims (5)
1. a Backflushing movement demonstrating device, comprise water container and fixed support, fixed support comprises crossbeam and base, crossbeam is connected by two of left and right column with base, it is characterized in that: described water container is arranged on fixed support inside, the top of water container is provided with upper cover, upper cover center is provided with upper rotary supporting, upper rotary supporting inner ring is fixedly connected with rotating shaft, upper rotating shaft is fixed on crossbeam by set screw, the water delivering orifice of water container is provided with lower cover, lower cover is symmetrically set with two horizontal nozzles, horizontal nozzles communicates with water container inner chamber, the opening direction of horizontal nozzles is along horizontal circumferencial direction, lower cover center is provided with lower rotary shaft, and lower rotary shaft is connected on the lower pivoting support arranging on base.
2. Backflushing movement demonstrating device according to claim 1, is characterized in that: described upper cap surface is provided with several water filling ports.
3. Backflushing movement demonstrating device according to claim 2, is characterized in that: the water delivering orifice of described water container is provided with steel ball plug, and the diameter of steel ball plug mates with water delivering orifice diameter.
4. Backflushing movement demonstrating device according to claim 3, is characterized in that: also comprise tank, described fixed support is placed in tank.
5. Backflushing movement demonstrating device according to claim 4, it is characterized in that: on described tank sidewall, be provided with pump mouth, pump mouth connects the water inlet end of micro pump by suction hose, the water side of micro pump is connected with the water filling flexible pipe being fixed on fixed support, and the water delivering orifice of water filling flexible pipe is fixed on crossbeam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320661094.8U CN203573534U (en) | 2013-10-25 | 2013-10-25 | Reactive movement demonstrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320661094.8U CN203573534U (en) | 2013-10-25 | 2013-10-25 | Reactive movement demonstrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203573534U true CN203573534U (en) | 2014-04-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320661094.8U Expired - Fee Related CN203573534U (en) | 2013-10-25 | 2013-10-25 | Reactive movement demonstrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203573534U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108922340A (en) * | 2018-07-16 | 2018-11-30 | 金恩升 | Physics bounce-back motion testing device |
| CN110379262A (en) * | 2019-08-16 | 2019-10-25 | 重庆文理学院 | Physics bounce-back motion testing device |
-
2013
- 2013-10-25 CN CN201320661094.8U patent/CN203573534U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108922340A (en) * | 2018-07-16 | 2018-11-30 | 金恩升 | Physics bounce-back motion testing device |
| CN110379262A (en) * | 2019-08-16 | 2019-10-25 | 重庆文理学院 | Physics bounce-back motion testing device |
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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: 20140430 Termination date: 20141025 |
|
| EXPY | Termination of patent right or utility model |