CN201383251Y

CN201383251Y - Apparatus for demonstrating siphon phenomenon

Info

Publication number: CN201383251Y
Application number: CN200920011394U
Authority: CN
Inventors: 张佳羿
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-03-11
Filing date: 2009-03-11
Publication date: 2010-01-13
Anticipated expiration: 2019-03-11

Abstract

The utility model provides an apparatus for demonstrating the siphon phenomenon, which relates to a teaching or demonstration apparatus, in particular to an improvement of the structure of the apparatus for demonstrating the siphon phenomenon. The apparatus for demonstrating the siphon phenomenon can be easily operated and can regulate the generation of the siphon phenomenon. The apparatus comprises an iron support. The structure of the apparatus has the following characteristics: a water supply cup and a water-receiving cup are respectively arranged on the iron support and at the side of the iron support, and a glass bottle with a bottle cork, the mouth of which faces downwards, is fixed by an iron clamp of a supporting rod of the iron support; a water inlet tube and a water outlet tube are respectively arranged on the bottle cork, the water inlet tube is higher than the water outlet tube, the other end of the water inlet tube is positioned on the bottom of the water supply cup, the other end of the water outlet tube is arranged in the water-receiving cup, and a tube clip is arranged on the water outlet tube.

Description

A kind of siphonage apparatus for demonstrating

Technical field:

The utility model relates to a kind of teaching or demonstration equipment, more particularly, relates to a kind of improvement of siphonage apparatus for demonstrating structure.

Background technology:

Siphonage is a kind of spontaneous phenomenon, also is an important content of middle school physics.Siphonage is that liquid intermolecular attraction and potential energy difference cause.When classroom instruction is demonstrated, can adopt two big graduated cylinders usually: fill water for one, another is empty tube; Two ends of filling the long length hose of water are placed on the bottom of graduated cylinder respectively.Like this, water will because of the pressure differential of water column between two from filling the graduated cylinder of water, flow to the little one side of pressure, up to both sides pressure equate, water surface elevation in two graduated cylinders is identical, water will stop to flow.But the shortcoming that this simple and easy demenstration method exists is: operate not easyly, must make long length hose be full of water, but also will place it in bottom the graduated cylinder, and be not easy; Once more, uncontrollable siphonage, water stops from beginning to flow to, and can not artificially control.Like this, to the teacher demonstrate the operation and classroom instruction brought inconvenience.

The utility model content:

The utility model is exactly at the problems referred to above, the siphonage apparatus for demonstrating that provides a kind of easy and simple to handle, scalable siphonage to take place.

For realizing above-mentioned purpose of the present utility model, the utility model adopts following technical scheme, the utility model comprises iron stand, its structural feature is on iron stand and the side is respectively arranged with supply water cup, water-holding cup, is fixed with the vial that bottleneck is downward, have bottle stopper on the iron clamp of iron stand pole; Be respectively arranged with water inlet pipe, rising pipe on the bottle stopper, water inlet pipe is higher than rising pipe, and the other end of water inlet pipe is positioned at the bottom of the cup that supplies water, and the other end of rising pipe is arranged in the water-holding cup, and rising pipe is provided with pipe clamp.

The beneficial effects of the utility model:

1, easy and simple to handle:

Apparatus for demonstrating of the present utility model does not need earlier water inlet pipe, rising pipe to be filled water when operation, has reduced operation easier;

2, the scalable siphonage takes place:

The pipe clamp that is provided with on the rising pipe of the utility model apparatus for demonstrating can be controlled the generation of siphonage at any time, convenient teaching.

Description of drawings:

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

Embodiment:

The utility model comprises iron stand 3, reaches the side and be respectively arranged with supply water cup 2, water-holding cup 1 on iron stand 3, is fixed with the vial 9 that bottleneck is downward, have bottle stopper 6 on the iron clamp 7 of iron stand 3 poles 10; Be respectively arranged with water inlet pipe 8, rising pipe 5 on the bottle stopper 6, water inlet pipe 8 is higher than rising pipe 5, and the other end of water inlet pipe 8 is positioned at the bottom of the cup 2 that supplies water, and the other end of rising pipe 5 is arranged in the water-holding cup 1, and rising pipe 5 is provided with pipe clamp 4.

For making demonstrative process more directly perceived, can in the cup 2 that supplies water, add coloured liquid.

A presentation process below in conjunction with description of drawings the utility model apparatus for demonstrating:

At first, coloured liquid is filled in the cup 2 that supplies water; Pour vial 9 into water again, make it when bottleneck is downward, the water level in the vial 9 is not higher than the upper end of water inlet pipe 8.Open the pipe clamp 4 on the rising pipe 5, because the pressure of the water in the vial 9 makes water flow to water-holding cup 1 by rising pipe 5; At this moment, the air pressure in the vial 9 reduces, and coloured liquid is being flowed in the vial 9 through water inlet pipe 8 by the cup 2 that supplies water under the effect of standard atmospheric pressure.Promptly finish presentation process one time.

Claims

1, a kind of siphonage apparatus for demonstrating, comprise iron stand (3), it is characterized in that upward reaching the side at iron stand (3) is respectively arranged with supply water cup (2), a water-holding cup (1), is fixed with the vial (9) that bottleneck is downward, have bottle stopper (6) on the iron clamp (7) of iron stand (3) pole (10); Be respectively arranged with water inlet pipe (8), rising pipe (5) on the bottle stopper (6), water inlet pipe (8) is higher than rising pipe (5), the other end of water inlet pipe (8) is positioned at the bottom of the cup (2) that supplies water, and the other end of rising pipe (5) is arranged in the water-holding cup (1), and rising pipe (5) is provided with pipe clamp (4).