CN203910108U

CN203910108U - Buoyancy demonstration device

Info

Publication number: CN203910108U
Application number: CN201420193999.1U
Authority: CN
Inventors: 王丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-04-21
Filing date: 2014-04-21
Publication date: 2014-10-29
Anticipated expiration: 2024-04-21

Abstract

A buoyancy demonstration device disclosed by the utility model comprises an air inlet pipe, and a filtering pipe is arranged on the lower surface of the air inlet pipe and is communicated with the air inlet pipe. The lower surface of the filtering pipe is connected with a storage pipe, the bottom of the storage pipe is connected on a pedestal, and a water inlet pipe is arranged between the filtering pipe and the storage pipe. The top of the water inlet pipe is located inside the filtering pipe, and the bottom is connected with a pulley assembly. The pulley assembly is located in the storage pipe, one side of the pulley assembly is connected with a buoyancy ball, and the other side is connected with a counterweight block. A supporting shaft is arranged on the storage pipe transversely and penetrates one side of the storage pipe, the supporting shaft outside the storage pipe is connected with a conduit, and the conduit is bent downwards. The buoyancy demonstration device is convenient to use, can demonstrate the generation phenomenon and direction of the buoyancy clearly, can demonstrate the generation reason and process of the buoyancy to the students directly, is good in auxiliary teaching demonstration effect, enables the teaching difficulty of the teachers to be reduced, at the same time, is beneficial to the further understanding of the students to the buoyancy.

Description

Buoyancy demonstrating device

Technical field

The utility model relates to a kind of apparatus for demonstrating, particularly a kind of buoyancy demonstrating device.

Background technology

In Physics Course teaching, it is the key content of Physics Course that buoyancy is led to a phenomenon, teacher usually needs to demonstrate its physical phenomenon by instrument, but general buoyancy demonstration just by some to swimming in wooden unit in water etc., then analyze its buoyancy, it is carried out to explaining illustration, yet because the function of apparatus for demonstrating is too single, generally can not demonstrate buoyant gas, and the phenomenon that general buoyancy demonstrating device is demonstrated is out image not, easily make student understand more difficult, teacher explains also harder, so just cannot reach the desirable effect of giving lessons, affected the scope of one's knowledge of student.

Utility model content

The technical problems to be solved in the utility model is: overcome the problems referred to above, provide a kind of easy to use, can know and show leading to a phenomenon and the direction of buoyancy of buoyancy, the buoyancy demonstrating device that the reason that buoyancy can be produced and process directly show student.

To achieve these goals, the technical solution adopted in the utility model is such: buoyancy demonstrating device of the present utility model, comprise draft tube, draft tube lower surface is provided with a strainer tube, strainer tube and draft tube are connected, strainer tube lower surface is connected on a memotron, memotron bottom is connected on a base, between strainer tube and memotron, be provided with a water inlet pipe, water inlet pipe top is positioned at strainer tube, its bottom is connected with pulley assembly, pulley assembly is positioned at memotron, pulley assembly one side is connected with buoyant spheres, its opposite side is connected with sinker, on memotron, be laterally provided with back shaft, back shaft is through memotron one side setting, and the back shaft being positioned at outside memotron is connected on a conduit, conduit is downward bending structure, it is connected with an airtight arm one end, between airtight arm and conduit, by rubber plug, be connected, airtight arm is U-shaped structure, its other end and gas outlet are connected, gas outlet is horizontally installed on memotron, and gas outlet is positioned at back shaft below, on gas outlet, be vertically provided with adjuster bar, adjuster bar is positioned at memotron, adjuster bar is two, and be connected with adjustable plate between two adjuster bars, adjustable plate is provided with packoff, on adjustable plate, have cavity, packoff is positioned at cavity.

Further, as a kind of concrete version, memotron described in the utility model adopts plastic material to make.

Further, as a kind of concrete version, airtight arm described in the utility model adopts transparent organic glass material to make.

Further, as a kind of concrete version, on sinker described in the utility model, have water inlet and water delivering orifice.

Compared with prior art, the utility model has the advantage of: this buoyancy demonstrating device is easy to use, can know and show leading to a phenomenon and the direction of buoyancy of buoyancy, reason and the process that buoyancy can be produced directly show student, the good demonstration effect of aided education, reduce teacher's the difficulty of giving lessons, be conducive to deepen the further understanding of student to buoyancy simultaneously.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is further illustrated.

Fig. 1 is structural representation of the present utility model;

In figure: 1. draft tube; 2. strainer tube; 3. water inlet pipe; 4. memotron; 5. pulley assembly; 6. buoyant spheres; 7. sinker; 8. back shaft; 9. conduit; 10. airtight arm; 11. gas outlets; 12. adjuster bars; 13. adjustable plates; 14. bases; 15. packoffs.

Embodiment

By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model is only described in a schematic way, so it only show the formation relevant with the utility model.

The preferred embodiment of the utility model buoyancy demonstrating device as shown in Figure 1, comprise draft tube 1, draft tube 1 lower surface is provided with a strainer tube 2, strainer tube 2 is connected with draft tube 1, strainer tube 2 lower surfaces are connected on a memotron 4, memotron 4 bottoms are connected on a base 14, between strainer tube 2 and memotron 4, be provided with a water inlet pipe 3, water inlet pipe 3 tops are positioned at strainer tube 2, its bottom is connected with pulley assembly 5, pulley assembly 5 is positioned at memotron 4, pulley assembly 5 one sides are connected with buoyant spheres 6, its opposite side is connected with sinker 7, on memotron 4, be laterally provided with back shaft 8, back shaft 8 is through memotron 4 one side settings, and the back shaft 8 being positioned at outside memotron 4 is connected on a conduit 9, conduit 9 is downward bending structure, it is connected with airtight arm 10 one end, between airtight arm 10 and conduit 9, by rubber plug, be connected, airtight arm 10 is U-shaped structure, its other end and gas outlet 11 are connected, gas outlet 11 is horizontally installed on memotron 4, and gas outlet 11 is positioned at back shaft 8 belows, on gas outlet 11, be vertically provided with adjuster bar 12, adjuster bar 12 is positioned at memotron 4, adjuster bar 12 is two, and be connected with adjustable plate 13 between two adjuster bars 12, adjustable plate 13 is provided with packoff 15, on adjustable plate 13, have cavity, packoff 15 is positioned at cavity, described memotron 4 adopts plastic material to make, described airtight arm 10 adopts transparent organic glass material to make, on described sinker 7, have water inlet and water delivering orifice.

Buoyancy demonstrating device of the present utility model is easy to use, can know and show leading to a phenomenon and the direction of buoyancy of buoyancy, reason and the process that buoyancy can be produced directly show student, the good demonstration effect of aided education, reduce teacher's the difficulty of giving lessons, be conducive to deepen the further understanding of student to buoyancy simultaneously.By inflating on conduit 9, the air pressure in airtight arm 10 increases, and it is large that density becomes, the buoyancy that buoyant spheres 6 is subject to increases, when the buoyancy of main road sinker 7 is poor while being enough to overcome the gravity of buoyant spheres 6 and resistance, buoyant spheres 6 starts floating, can intuitively buoyancy phenomenon be displayed.Described memotron 4 adopts plastic material to make, and makes it not easily damaged; Described airtight arm 10 adopts transparent organic glass material to make, and can better observe; On described sinker 7, have water inlet and water delivering orifice, be convenient to better show buoyancy phenomenon.

The above-mentioned foundation desirable embodiment of the present utility model of take is enlightenment, and by above-mentioned description, relevant staff can, within not departing from the scope of this utility model technological thought, carry out various change and modification completely.The technical scope of this utility model is not limited to the content on instructions, must determine its technical scope according to claim scope.

Claims

1. a buoyancy demonstrating device, comprise draft tube, it is characterized in that: draft tube lower surface is provided with a strainer tube, strainer tube and draft tube are connected, strainer tube lower surface is connected on a memotron, memotron bottom is connected on a base, between strainer tube and memotron, be provided with a water inlet pipe, water inlet pipe top is positioned at strainer tube, its bottom is connected with pulley assembly, pulley assembly is positioned at memotron, pulley assembly one side is connected with buoyant spheres, its opposite side is connected with sinker, on memotron, be laterally provided with back shaft, back shaft is through memotron one side setting, and the back shaft being positioned at outside memotron is connected on a conduit, conduit is downward bending structure, it is connected with an airtight arm one end, between airtight arm and conduit, by rubber plug, be connected, airtight arm is U-shaped structure, its other end and gas outlet are connected, gas outlet is horizontally installed on memotron, and gas outlet is positioned at back shaft below, on gas outlet, be vertically provided with adjuster bar, adjuster bar is positioned at memotron, adjuster bar is two, and be connected with adjustable plate between two adjuster bars, adjustable plate is provided with packoff, on adjustable plate, have cavity, packoff is positioned at cavity.

2. buoyancy demonstrating device according to claim 1, is characterized in that: described memotron adopts plastic material to make.

3. buoyancy demonstrating device according to claim 1, is characterized in that: described airtight arm adopts transparent organic glass material to make.

4. buoyancy demonstrating device according to claim 1, is characterized in that: on described sinker, have water inlet and water delivering orifice.