CN211787779U - A buoyancy experimental apparatus for basic physics teaching - Google Patents
A buoyancy experimental apparatus for basic physics teaching Download PDFInfo
- Publication number
- CN211787779U CN211787779U CN201820965634.4U CN201820965634U CN211787779U CN 211787779 U CN211787779 U CN 211787779U CN 201820965634 U CN201820965634 U CN 201820965634U CN 211787779 U CN211787779 U CN 211787779U
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- circular
- cup
- experiment
- circular pipe
- dwang
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Abstract
The utility model discloses a buoyancy experimental device for basic physics teaching, which comprises a base and an electronic scale, wherein the electronic scale is arranged on the top of the base, a supporting platform is fixed on the top of the electronic scale, an experimental cup is arranged on the top of the supporting platform, a supporting column which is vertically arranged is welded on the top of the base, the supporting column is positioned on one side of the electronic scale, a top plate is fixed on the top of the supporting column through screw bolts, a first circular hole is sequentially arranged on the top plate, second circular port and third circular port, first circular port internal fixation has cup jointed the second circular pipe, and the second circular pipe extends to the below of roof, has held the water-soluble powder in the second circular pipe, and the bottom of second circular pipe is connected with manual butterfly valve, and manual butterfly valve's bottom is connected with first circular pipe, and the bottom of first circular pipe extends to the inside of experiment cup, and the dwang has been cup jointed to second circular port internal rotation. The utility model has lower experiment cost; the practicability is good.
Description
Technical Field
The utility model relates to a physics teaching equipment technical field especially relates to a buoyancy experimental apparatus for basic physics teaching.
Background
In a buoyancy experiment of basic physics teaching, the buoyancy of weights in solutions with different densities needs to be tested, and the conventional buoyancy experiment device for basic physics teaching needs to use a plurality of experiment cups to contain the solutions with different densities, so that the experiment cost is high; and need to change the experiment cup many times, waste time and energy, the practicality is relatively poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that the prior buoyancy experimental device for basic physics teaching needs to use a plurality of experimental cups to contain solutions with different densities, which results in higher experimental cost; and need to change the experiment cup many times, waste time and energy, the relatively poor problem of practicality, and the buoyancy experimental apparatus for basic physics teaching that provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a buoyancy experimental device for basic physics teaching comprises a base and an electronic scale, wherein the electronic scale is placed at the top of the base, a supporting table is fixed at the top of the electronic scale, an experimental cup is placed at the top of the supporting table, a vertically arranged supporting column is welded at the top of the base and is positioned at one side of the electronic scale, a top plate is fixed at the top of the supporting column through screws and bolts, a first circular hole, a second circular hole and a third circular hole are sequentially formed in the top plate, a second circular pipe is fixedly sleeved in the first circular hole and extends to the lower side of the top plate, water-soluble powder is contained in the second circular pipe, the bottom of the second circular pipe is connected with a manual butterfly valve, the bottom of the manual butterfly valve is connected with a first circular pipe, the bottom end of the first circular pipe extends to the inside of the experimental cup, and a rotating rod is sleeved in the second circular hole in a rotating, the dwang runs through the second circular port, and the bottom of dwang extends to the inside of experiment cup, and the outer lane welding of dwang has four stirring boards, four the stirring board all is located the inside of experiment cup, and third circular hole internal thread has cup jointed the screw rod, the screw rod runs through third circular hole, and the bottom welding of screw rod has the spring dynamometer, the bottom of spring dynamometer is hung through the couple and is put the weight.
Preferably, the experiment cup is filled with the experiment solution, the bottom of the first circular tube extends to the lower part of the liquid level of the experiment solution, the four stirring plates are all located below the liquid level of the experiment solution, and the weight hung at the bottom of the spring dynamometer is located above the experiment cup.
Preferably, the inner wall of the second circular hole on the top plate is fixedly sleeved with a bearing, and the rotating rod is fixedly sleeved on the inner ring of the bearing.
Preferably, the rectangular channel has been seted up at the top of roof, and the rectangular channel internal fixation has driving motor, driving motor is located between first circular pipe and the dwang, and driving motor's output has up, and driving motor's output welding has first gear, the top welding of dwang has the second gear, and first gear and second gear meshing are connected.
Preferably, a fourth circular hole is formed in the side wall of the experiment cup, and a cylindrical sealing plug is sleeved on the inner thread of the fourth circular hole.
The utility model has the advantages that: the manual butterfly valve is opened manually, the water-soluble powder in the second round pipe is added into the solution, and the rotating rod and the stirring plate are driven by the driving motor to rotate, so that the water-soluble powder is fully mixed with the solution, the density of the solution can be changed, a plurality of experiment cups are not required to be used for containing the solutions with different densities, the experiment cups are not required to be replaced for many times, time and labor are saved, and the experiment cost of the utility model is lower; the practicability is good.
Drawings
Fig. 1 is a schematic structural view of a buoyancy experimental device for basic physics teaching according to the present invention;
fig. 2 is the utility model provides a top view of a buoyancy experimental apparatus's for basic physics teaching top.
In the figure: the device comprises a base 1, a support column 2, a support table 3, an experimental cup 4, a first circular tube 5, a manual butterfly valve 6, a second circular tube 7, a top plate 8, a driving motor 9, a rotating rod 10, a screw rod 11, a spring dynamometer 12, a stirring plate 13, a sealing plug 14 and an electronic scale 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a buoyancy test device for basic physics teaching comprises a base 1 and an electronic scale 15, wherein the electronic scale 15 is placed on the top of the base 1, a support table 3 is fixed on the top of the electronic scale 15, a test cup 4 is placed on the top of the support table 3, a support column 2 vertically arranged is welded on the top of the base 1, the support column 2 is positioned on one side of the electronic scale 15, a top plate 8 is fixed on the top of the support column 2 through screws and bolts, a first circular hole, a second circular hole and a third circular hole are sequentially formed in the top plate 8, a second circular pipe 7 is fixedly sleeved in the first circular hole, the second circular pipe 7 extends to the lower part of the top plate 8, water-soluble powder is contained in the second circular pipe 7, a manual butterfly valve 6 is connected to the bottom of the second circular pipe 7, a first circular pipe 5 is connected to the bottom of the manual butterfly valve 6, and the bottom of the first circular, dwang 10 has been cup jointed to second circular port internal rotation, dwang 10 runs through the second circular port, the bottom of dwang 10 extends to the inside of laboratory cup 4, the outer lane welding of dwang 10 has four stirring boards 13, four stirring boards 13 all are located the inside of laboratory cup 4, third circular port internal thread has cup jointed screw rod 11, screw rod 11 runs through third circular port, the bottom welding of screw rod 11 has spring dynamometer 12, the bottom of spring dynamometer 12 is hung through the couple and has been put the weight.
Experiment solution has been held in experiment cup 4, the bottom of first circular pipe 5 extends to the below of the liquid level of experiment solution, four stirring board 13 all are located the below of the liquid level of experiment solution, the weight of hanging the position in 12 bottoms of spring dynamometer is located the top of experiment cup 4, fixed cup joint has the bearing on the inner wall of the second circular port on roof 8, dwang 10 is fixed to be cup jointed the inner circle at the bearing, the rectangular channel has been seted up at roof 8's top, the rectangular channel internal fixation has driving motor 9, driving motor 9 is located between first circular pipe 5 and the dwang 10, driving motor 9's output up, driving motor 9's output welding has first gear, the top welding of dwang 10 has the second gear, first gear and second gear meshing are connected, the fourth circular port has been seted up on experiment cup 4's the lateral wall, the internal thread of fourth circular port has cup jointed columniform and has sealed stopper 14.
The working principle is as follows: the top welding of screw rod 11 has circular handle, before the experiment, through manual opening manual butterfly valve 6, add the water-soluble powder in the second circular pipe 7 to solution through butterfly valve 6 and first circular pipe 5, and then through the operation of driving motor 9, drive dwang 10 and stirring board 13 and rotate, stir water-soluble powder and solution, make water-soluble powder and solution intensive mixing, can change the density of solution, through rotating the circular handle at the top of screw rod 11, can make the weight descend to the solution in the laboratory cup 4, can test the buoyancy size that the weight receives in the solution of different densities, need not to use a plurality of laboratory cups 4 to hold the solution of different densities, need not to change laboratory cup 4 many times, after the experiment, seal the stopper through rotating and sealing the stopper 14 and can take out, make the solution in the laboratory cup 4 discharge through the fourth circular port, the utility model has lower experiment cost; the practicability is good.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A buoyancy experimental device for basic physics teaching comprises a base (1) and an electronic scale (15), and is characterized in that the electronic scale (15) is placed at the top of the base (1), a supporting table (3) is fixed at the top of the electronic scale (15), an experimental cup (4) is placed at the top of the supporting table (3), a vertically-arranged supporting column (2) is welded at the top of the base (1), the supporting column (2) is positioned at one side of the electronic scale (15), a top plate (8) is fixed at the top of the supporting column (2) through screws and screws, a first circular hole, a second circular hole and a third circular hole are sequentially formed in the top plate (8), a second circular pipe (7) is fixedly sleeved in the first circular hole, the second circular pipe (7) extends to the lower part of the top plate (8), and water-soluble powder is placed in the second circular pipe (7), the bottom of second circular pipe (7) is connected with manual butterfly valve (6), and the bottom of manual butterfly valve (6) is connected with first circular pipe (5), the bottom of first circular pipe (5) extends to the inside of experiment cup (4), and dwang (10) have been cup jointed to the circular port internal rotation of second, dwang (10) run through the second circular port, and the bottom of dwang (10) extends to the inside of experiment cup (4), and the outer lane welding of dwang (10) has four stirring boards (13), four stirring board (13) all are located the inside of experiment cup (4), and screw rod (11) have been cup jointed to the circular port internal thread of third, screw rod (11) run through the circular port of third, and the bottom welding of screw rod (11) has spring dynamometer (12), the bottom of spring dynamometer (12) has been hung through the couple and has been put the weight.
2. The buoyancy experimental device for basic physics teaching as claimed in claim 1, wherein experiment solution is contained in said experiment cup (4), the bottom end of said first circular tube (5) extends to below the liquid level of the experiment solution, four said stirring plates (13) are all located below the liquid level of the experiment solution, and the weight hung at the bottom of the spring dynamometer (12) is located above the experiment cup (4).
3. The buoyancy experimental device for basic physics teaching as claimed in claim 1, characterized in that the inner wall of the second circular hole on the top plate (8) is fixedly sleeved with a bearing, and the rotating rod (10) is fixedly sleeved on the inner ring of the bearing.
4. The buoyancy experimental device for basic physics teaching of claim 1, characterized in that, the rectangular channel has been seted up at the top of roof (8), is fixed with driving motor (9) in the rectangular channel, driving motor (9) are located between first circular pipe (5) and dwang (10), and driving motor's (9) output is up, and driving motor's (9) output welding has a first gear, the top welding of dwang (10) has a second gear, and first gear and second gear meshing are connected.
5. The buoyancy experimental device for basic physics teaching of claim 1, characterized in that the side wall of experiment cup (4) is equipped with the fourth circular hole, and cylindrical sealing plug (14) is cup jointed to the fourth circular hole internal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820965634.4U CN211787779U (en) | 2018-06-22 | 2018-06-22 | A buoyancy experimental apparatus for basic physics teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820965634.4U CN211787779U (en) | 2018-06-22 | 2018-06-22 | A buoyancy experimental apparatus for basic physics teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211787779U true CN211787779U (en) | 2020-10-27 |
Family
ID=72906492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820965634.4U Expired - Fee Related CN211787779U (en) | 2018-06-22 | 2018-06-22 | A buoyancy experimental apparatus for basic physics teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211787779U (en) |
-
2018
- 2018-06-22 CN CN201820965634.4U patent/CN211787779U/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: 20201027 Termination date: 20210622 |