CN215265236U

CN215265236U - Experimental demonstrator for exploring buoyancy of object in liquid

Info

Publication number: CN215265236U
Application number: CN202121474165.4U
Authority: CN
Inventors: 王炳俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2021-12-21
Anticipated expiration: 2031-06-30

Abstract

The utility model discloses an experimental demonstrator for exploring the buoyancy of an object in liquid, which comprises a bottom plate, a water tank and a control box which are arranged on the bottom plate, a lifting bracket, a water storage tank and a power box which are arranged on the control box, wherein the demonstrator is arranged in the water tank in a suspending way and is connected with a lifting power device arranged at the top of the lifting bracket through a lifting rope, an inflator pump and an air pump are arranged in the power box, the left end of the demonstrator is connected with an air suction opening and an air inflation opening through a three-way pipe, and the right end of the demonstrator is connected with the water storage tank through a water pipe. And the buoyancy effect of the object is further demonstrated by matching with a lifting power device and a mass measuring instrument.

Description

Experimental demonstrator for exploring buoyancy of object in liquid

Technical Field

The utility model relates to a teaching aid technical field specifically is the experiment demonstration ware of exploring the buoyancy that the object receives in liquid.

Background

When studying the mechanics scientific knowledge such as the sinking and floating state of an object in liquid, students are assisted in teaching aids and experimental teaching, which is greatly helpful for deepening the understanding of the learned knowledge, mastering and cultivating the core scientific literacy of the students, and especially for primary school students studying buoyancy and other related knowledge, the students are required to go through the process of exploring the study activities by themselves by using experimental devices. And in current experimental teaching, just lack such free-space experimental apparatus, the mr either relies on books knowledge to impart knowledge completely, or helps the student to understand physics knowledge with the old teaching aid that the laboratory is inapplicable or oneself makes some self-control teaching aids of irregularity, no matter is the reliability of teaching aid and the effect that the actual teaching purpose can't reach the ideal.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide the experiment demonstration ware of exploring the buoyancy that the object receives in liquid, can demonstrate the condition of the buoyancy that the object receives in liquid directly perceivedly, demonstrate that the effect is better, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: an experimental demonstrator for exploring the buoyancy of an object in liquid comprises a bottom plate, a water tank and a control box which are arranged on the bottom plate, a lifting bracket, a water storage tank and a power box which are arranged on the control box, the inside of the water tank is provided with a demonstrator in a hanging way, the demonstrator is connected with a lifting power device arranged at the top of the lifting bracket through a lifting rope, the lifting power device is electrically connected with the control box, an inflator pump and an air pump are arranged inside the power box, the inflator pump and the air pump are electrically connected with the control box, an inflation inlet and an air inlet of the inflator pump are exposed, an air exhaust outlet and an air exhaust outlet of the air pump are exposed, a remote control receiving module is arranged in the control box, the power box and the lifting power device are electrically connected with a required power supply, the demonstrator is transparent and cylindrical and is internally provided with a piston in a sliding manner, the left end of the demonstrator is connected with the air suction port and the inflation port through a three-way pipe, and the right end of the demonstrator is connected with the water storage tank through a water pipe.

As a preferred technical solution of the present invention, the water tank is made of a transparent material.

As an optimized technical proposal of the utility model, the water tank is made of transparent acrylic.

As an optimized technical scheme of the utility model, the lateral surface printing of basin has the water level scale mark, and the height such as bottom the water level scale mark is provided with spillway hole and valve on the basin lateral wall.

As an optimal technical scheme of the utility model, the lifting rope middle part is provided with mass measuring apparatu, and mass measuring apparatu's upper end is passed through the lifting rope and is connected with lift power device, and mass measuring apparatu's measuring end passes through the lifting rope and is connected with the demonstration ware.

As an optimized technical proposal of the utility model, the bottom of the water tank is provided with a drain hole and a valve.

As an optimal technical scheme of the utility model, the top of demonstration ware is provided with submarine model, and the last left and right sides of submarine model is provided with buoyancy direction indicator.

As a preferred technical scheme of the utility model, the bottom of demonstration ware is provided with balance adjustment device, and balance adjustment device comprises iron plate and not less than three magnets that adsorb on iron plate.

As an optimal technical scheme of the utility model, the splendid attire has pigmented water in the water storage tank.

As an optimized technical proposal of the utility model, the piston is made of color rubber material.

Compared with the prior art, the beneficial effects of the utility model are that: this explore experiment demonstration ware of object buoyancy that receives in liquid, can demonstrate the condition of object buoyancy that receives in liquid directly perceivedly, the accessible changes the air in the demonstration ware and the volume ratio of water, and then changes the average density of demonstration ware, has demonstrated the condition that the object of different density received buoyancy and water level in water go up and down, cooperation lift power device and quality measuring instrument, has further demonstrated the buoyancy effect that the object receives, the buoyancy direction on the demonstration ware is pointed the mark and has demonstrated the buoyancy that the object receives and upwards all the time.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the back structure of the present invention.

In the figure: the device comprises a base plate 1, a water tank 2, a control box 3, a lifting support 4, a demonstrator 5, a submarine model 6, a buoyancy direction indicator 7, a lifting power device 8, a mass measuring instrument 9, a lifting rope 10, a piston 11, a water pipe 12, a water storage tank 13, a water level scale mark 14, a water discharge hole 15, a power box 16, a tee pipe 17, an air suction port 18, an air exhaust port 19, an air charging port 20, an air inlet 21 and a balance adjusting device 22.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: an experiment demonstrator for researching the buoyancy of an object in liquid comprises a bottom plate 1, a water tank 2 and a control box 3 which are arranged on the bottom plate 1, a lifting support 4 arranged on the control box 3, a water storage tank 13 and a power box 16;

the water tank 2 is made of transparent materials, water level scale marks 14 are printed on the outer side surface of the water tank 2, overflow holes and valves are arranged on the side wall of the water tank 2 at the same height as the bottoms of the water level scale marks 14, water can be conveniently and quickly added to the starting points of the bottoms of the water level scale marks 14, so that the lifting condition of the demonstrator 5 can be observed more intuitively, the water tank 2 is preferably made of transparent acrylic and is not easy to break and has better durability, the demonstrator 5 is arranged in the water tank 2 in a suspended mode, the demonstrator 5 floats on the water surface after water is injected into the water tank 2, the demonstrator 5 is connected with a lifting power device 8 arranged at the top of a lifting support 4 through a lifting rope 10, the lifting power device 8 is electrically connected with a control box 3, a quality measuring instrument 9 is arranged in the middle of the lifting rope 10, the upper end of the quality measuring instrument 9 is connected with the lifting power device 8 through the lifting rope 10, and the measuring end of the quality measuring instrument 9 is connected with the demonstrator 5 through the lifting rope 10, the demonstrator 5 is improved or reduced through the lifting power device 8, the effect of the buoyancy of liquid (water) on the demonstrator 5 is demonstrated by matching with the reading of the quality measuring instrument 9, the demonstrator is used for exploring the relation between the buoyancy and the density of the water and the buoyancy of an object in the water in the physical stage in the early middle, a drain hole 15 is arranged at the bottom of the water tank 2, a valve is arranged in the drain hole 15, and the water in the water tank 2 can be conveniently drained after the demonstration is finished;

an inflation pump and an air pump are arranged in the power box 16, the inflation pump and the air pump are electrically connected with the control box 3, an inflation inlet 20 and an air inlet 21 of the inflation pump are exposed, and an air pumping inlet 18 and an air exhaust outlet 19 of the air pump are exposed;

a remote control receiving module is arranged in the control box 3, and is electrically connected with a power box 16 and a lifting power device 8 to supply power, so that the lifting of the remote control demonstrator 5 and the volume ratio of water in the remote control demonstrator are convenient to use;

the top of the demonstrator 5 is provided with a submarine model 6, the submarine model 6 is introduced into a teaching aid as an example to improve the study enthusiasm of students, the left side and the right side of the submarine model 6 are provided with buoyancy direction indicators 7 for indicating the buoyancy direction, the bottom of the demonstrator 5 is provided with a balance adjusting device 22, the balance adjusting device 22 is composed of an iron plate and no less than three magnets adsorbed on the iron plate, the demonstrator can be balanced and adjusted by changing the position of the magnets, the demonstrator 5 is transparent and cylindrical, the inside of the demonstrator 5 is provided with a piston 11 in a sliding way, the piston 11 is made of colored rubber material to facilitate observation of the position of the piston 11, the left end of the demonstrator 5 is connected with an air suction port 18 and an air charging port 20 through a three-way pipe 17, the right end of the demonstrator 5 is connected with a water storage tank 13 through a water pipe 12, and the inside of the demonstrator 5 is air-pumped or charged through an air pump, change the position of piston 11, and then adjust the volume of the interior water of demonstrator 5 and account for than, reach the purpose that changes 5 average density of demonstrator, the object that has demonstrated different density receives buoyancy in water, the object of different density the condition that different positions and water level go up and down in water, the splendid attire has colored water in the water storage tank 13 to the student observes the volume of the interior water of demonstrator 5 and accounts for than, has more directly perceived, clear understanding to the whole weight of demonstrator 5.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The experimental demonstrator for exploring the buoyancy of the object in the liquid is characterized in that: comprises a bottom plate (1), a water tank (2) and a control box (3) which are arranged on the bottom plate (1), a lifting bracket (4) arranged on the control box (3), a water storage tank (13) and a power box (16);

a demonstrator (5) is arranged in the water tank (2) in a suspended mode, the demonstrator (5) is connected with a lifting power device (8) arranged at the top of the lifting support (4) through a lifting rope (10), and the lifting power device (8) is electrically connected with the control box (3);

an inflation pump and an air pump are arranged in the power box (16), the inflation pump and the air pump are electrically connected with the control box (3), an inflation opening (20) and an air inlet (21) of the inflation pump are exposed, and an air extraction opening (18) and an air exhaust opening (19) of the air pump are exposed;

a remote control receiving module, a power box (16) and a lifting power device (8) are arranged in the control box (3) and are electrically connected with a required power supply;

the demonstrator (5) is in a transparent cylindrical shape, a piston (11) is arranged in the demonstrator in a sliding mode, the left end of the demonstrator (5) is connected with an air suction port (18) and an air charging port (20) through a three-way pipe (17), and the right end of the demonstrator (5) is connected with a water storage tank (13) through a water through pipe (12).

2. The experimental demonstration device for studying the buoyancy of an object in a liquid according to claim 1, wherein: the water tank (2) is made of transparent materials.

3. The experimental demonstration device for studying the buoyancy force of an object in a liquid according to claim 1 or 2, wherein: the water tank (2) is made of transparent acrylic.

4. The experimental demonstration device for studying the buoyancy force of an object in a liquid according to claim 1 or 2, wherein: the water level scale marks (14) are printed on the outer side face of the water tank (2), and overflow holes and valves are arranged on the side wall of the water tank (2) at equal heights with the bottoms of the water level scale marks (14).

5. The experimental demonstration device for studying the buoyancy of an object in a liquid according to claim 1, wherein: the quality measuring instrument is characterized in that a quality measuring instrument (9) is arranged in the middle of the lifting rope (10), the upper end of the quality measuring instrument (9) is connected with the lifting power device (8) through the lifting rope (10), and the measuring end of the quality measuring instrument (9) is connected with the demonstrator (5) through the lifting rope (10).

6. The experimental demonstration device for studying the buoyancy of an object in a liquid according to claim 1, wherein: the bottom of the water tank (2) is provided with a drain hole (15) and a valve.

7. The experimental demonstration device for studying the buoyancy of an object in a liquid according to claim 1, wherein: a submarine model (6) is arranged at the top of the demonstrator (5), and buoyancy direction indicators (7) are arranged on the left side and the right side of the submarine model (6).

8. The experimental demonstration device for studying the buoyancy of an object in a liquid according to claim 1, wherein: the bottom of the demonstrator (5) is provided with a balance adjusting device (22), and the balance adjusting device (22) is composed of an iron plate and not less than three magnets adsorbed on the iron plate.

9. The experimental demonstration device for studying the buoyancy of an object in a liquid according to claim 1, wherein: the water storage tank (13) is filled with colored water.

10. The experimental demonstration device for studying the buoyancy of an object in a liquid according to claim 1, wherein: the piston (11) is made of a colored rubber material.