CN200954046Y

CN200954046Y - Air filtering device for water-drinking device

Info

Publication number: CN200954046Y
Application number: CN 200620138349
Authority: CN
Inventors: 甘勃
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-09-25
Filing date: 2006-09-25
Publication date: 2007-10-03
Anticipated expiration: 2016-09-25

Abstract

The utility model relates to an air filtration unit for the drinking fountain use, comprising a sealed filtration chamber and an isolation chamber. The inner of the sealing filtration chamber is provided with an intake pipe that is integrated with a sealing cover, a gas outlet tube that is integrated with main body of the filter unit and a wire netting that is inversed at the gas outlet tube; the inner of the filtration chamber is provided with the water, the water solution of sodium chloride, or the liquid not harmful to human body. The air filtration unit lets the air entering the water tank of the drinking fountain first pass through the liquid inside the sealing filtration chamber, for a realization of the filtration of different kinds of minute suspended matters and soluble gas in air.

Description

Air filter for the water dispenser use

Technical field

The utility model relates to a kind of air filter for the water dispenser use, can the air that enter water dispenser be filtered.

Background technology

The main part of present known pure water drinking machine basic structure is a pedestal, aqua storage tank, and the wisdom plug, and at the air inlet breach on susceptor edge edge.Wherein, wisdom is plugged with the outlet pipe and the air inlet pipe of coaxial configuration, and outlet pipe is interior, and air inlet pipe has venthole and inlet opening respectively outside on tube wall, and the two is not connected.The wisdom plug is connected with pedestal with the form of screw thread, and pedestal is put on the housing of water dispenser, and the air inlet breach is introduced aqua storage tank with air.The wisdom plug matches with the disposable bung of steel ladle, and when the wisdom plug backed down the stopper of bung, the outlet pipe of wisdom plug and air inlet pipe made bucket communicate with the external world, and air can enter steel ladle and water flows out from bucket.Aqua storage tank is used for water storage, and when the horizontal plane in the aqua storage tank is higher than the air inlet pipe lower end actinal surface of wisdom plug, the atmospheric pressure of outside will make the water in the bucket no longer flow out.Two apopores are arranged at the bottom of aqua storage tank, receive the cold water and the hot water apparatus of flowing water Valve respectively.When water dispenser discharged water, the water surface in the aqua storage tank descended.When the water surface of aqua storage tank is lower than the air inlet pipe lower end actinal surface of wisdom plug, air enters steel ladle by air inlet pipe, water in the bucket is flowed out by outlet pipe, the water surface up to aqua storage tank is higher than air inlet pipe lower end actinal surface, the air inlet pipe lower port is isolated from the outside, and the atmospheric pressure of outside no longer flows out the water in the bucket.Because the outflow of water, the pressure that makes air in the bucket causes a barrel outer air to enter in the bucket less than the outer air pressure of bucket.Therefore, in water fountain effluent, the various small suspension that contains in the air also enters the steel ladle of pure water thereupon, and obviously, molten water-based gas can polluted drinking water in various small suspensions and the air.

Summary of the invention

In order to overcome the pollution that water dispenser now is subject to various small suspensions and molten water-based gas in the air, the utility model is on the basis of existing water dispenser basic structure, increase by a cover air filter, make the air that enters steel ladle earlier through air filter, the aqueous solution or other solution that human body is not had injury by the water in the air filter, sodium chloride filter the air that enters in the bucket, realize the filtering to various small suspensions and soluble gas in the air.

The utility model realizes that the technical scheme that air filtration is taked is: the Packed filter chamber of air filter main body, separate cavities two parts.In sealing filter chamber the inside a wire netting, an air inlet pipe that links to each other with atmosphere, an escape pipe that communicates with separate cavities are arranged.The lid of air inlet pipe and filter chamber is integrative-structure, and the lid of sealing filter chamber is connected with cavity with screw thread or cassette structure, guarantees the sealing of filter chamber with sealing ring.Wire netting is the disc shape of back-off, is placed on the escape pipe, and is porose on the position corresponding with air inlet pipe, so that air inlet pipe is passed.The aqueous solution of water, sodium chloride or other are adorned in sealing in the filter chamber does not have the liquid of injury to human body, and the air inlet pipe lower end is stretched in the liquid.The mouth of pipe of the escape pipe that communicates with separate cavities exceeds the liquid surface in the annular seal space, and the air that enters steel ladle must be earlier through the liquid in the annular seal space.The wire netting of sealing filter chamber the inside is captured the formed liquid particle of air bubble through liquid, and captive liquid particle is after accumulation on the wire netting, and the mesh under being tilted to along wire netting flows down.The filter main body is the back-off cup-shape, and the edge height of cup surpasses the delivery port of wisdom plug, forms separate cavities.There is a circular hole at the center of back-off cup, by the helicitic texture of wisdom plug and pedestal, the main body of filter back-off cup-shape and the pedestal of water dispenser is fixed.When steel ladle was put on the water dispenser, the water in the bucket flowed into aqua storage tank by the outlet pipe of wisdom plug, is higher than up to the aqua storage tank water surface till the air inlet pipe lower end actinal surface of wisdom plug, and at this moment, air and outside air in the separate cavities are isolated.Because the sealing filter chamber has escape pipe, the air pressure in the filter chamber equates with air pressure in the separate cavities, and equals the atmospheric pressure of environment.

The beneficial effects of the utility model are, because the air that enters in the bucket is filtered, have eliminated in the surrounding air various small suspensions and soluble gas to the pollution of drinking pure water.

Description of drawings

Accompanying drawing is the structure chart of air filter.Among the figure, 1 has the annular seal space lid of

air inlet pipe

4,2 sealing rubber rings, and the main body of 3 filter back-off cup-shape, 4 air inlet pipe, 5 annular seal spaces,, 6 escape pipes, 7 wire nettings, 8 separate cavities, 9 holes that fix with the water dispenser pedestal.

The specific embodiment

The utility model realizes that the technical scheme that air filtration is taked is, utilizes small suspension and soluble gas in the aqueous solution of water, sodium chloride or other the liquid filtering air that human body is not had injury, utilizes wire netting to collect the particulate of liquid in the filtered air.Air filter is made up of filter chamber 5 and separate cavities 8 two parts, and wherein filter chamber has an air inlet pipe that links to each other with atmosphere 4 and an escape pipe that communicates with separate cavities 6.Air inlet pipe 4 is integrative-structure with filter chamber lid 1, and filter chamber lid 1 usefulness screw thread or cassette structure are connected with cavity, and sealing ring 2 guarantees the sealing of filter chamber.Air inlet pipe 4 lower ends are deep in the liquid in the filter chamber, and filter chamber is airtight to external world.Place filtering the aqueous solution of water, sodium chloride of usefulness or other in the filter chamber 5 does not have the solution of injury to human body, and the air that enters in the bucket is filtered.Wherein the mouth of the escape pipe 6 that communicates with the separate cavities air is on liquid side.Escape pipe 6 is supported the wire netting 7 of back-off disc shape.Filter main body 3 is the shape of back-off cup, and the edge height of cup surpasses the delivery port of wisdom plug, forms separate cavities 8.There is a circular hole 9 in filter main center, by the helicitic texture of wisdom plug and pedestal, filter main body 3 and pedestal is fixed.When steel ladle was put on the water dispenser, the water in the bucket flowed into aqua storage tank by the outlet pipe of wisdom plug, is higher than up to the aqua storage tank water surface till the air inlet pipe lower end actinal surface of wisdom plug, and at this moment, air and outside air in the separate cavities are isolated.Because separate cavities has escape pipe 6, the air pressure in the filter chamber equates with air pressure in the separate cavities, and equals the atmospheric pressure of environment.

When aqua storage tank there are flowing out, the water surface in the separate cavities reduced, and the pressure in its separate cavities will be lower than the atmospheric pressure of environment, at this moment, air will enter filter chamber by the air inlet pipe 4 of filter chamber, by forming minute bubbles after the liquid in the chamber, the liquid surface in the emersion chamber.7 pairs of formed liquid particles of air bubble through liquid of wire netting of sealing filter chamber the inside are captured, and captive liquid is after rolling up droplet on the wire netting, and the mesh under being tilted to flows down.Air enters separate cavities by escape pipe 6, and the air pressure in filter chamber and the separate cavities equates with external atmospheric pressure at this moment.When continue reducing, being lower than the air inlet pipe lower end actinal surface of wisdom plug at the aqua storage tank water surface, the pressure of air is lower than atmospheric pressure in the steel ladle, air in filter chamber and the separate cavities enters steel ladle, water in the steel ladle flows into aqua storage tank, till the water surface of aqua storage tank is higher than the air inlet pipe lower end actinal surface of wisdom plug.Because outside air is by entering after the liquid in the filter chamber, makes in airborne various small suspension and the air soluble gas by filtering, thereby purified the air that enters into bucket.

Claims

1, a kind of air filter for the water dispenser use, it is characterized in that: air filter has sealing filter chamber, separate cavities two parts, wherein seal filter chamber an air inlet pipe that links to each other with atmosphere, an escape pipe that communicates with separate cavities are arranged, a wire netting of capturing liquid particle, sealing are adorned the aqueous solution of water, sodium chloride in the filter chamber or other does not have the liquid of injury to human body.

2, air filter according to claim 1 is characterized in that: air inlet pipe is integral with the lid of sealing filter chamber, and sealing filter chamber lid filters cavity with screw thread or cassette structure with sealing and is connected, and guarantees the sealing of sealing filter chamber with sealing ring.

3, air filter according to claim 1 is characterized in that: the air inlet pipe lower end is stretched in the sealing filter chamber liquid.

4, air filter according to claim 1 is characterized in that: escape pipe is communicated with separate cavities and sealing filter chamber.

5, air filter according to claim 1 is characterized in that: the mouth of pipe of escape pipe in the sealing filter chamber exceeds liquid surface in the chamber.

6, air filter according to claim 1 is characterized in that: the filter main body is a back-off cup-shape, and the edge of cup is lower than the wisdom plug delivery port of water dispenser.

7, air filter according to claim 1 is characterized in that: there is a circular hole in filter main center, makes it to fix with the pedestal of water dispenser with the wisdom plug.

8, air filter according to claim 1 is characterized in that: the wire netting in the annular seal space is the disc shape of back-off, is placed in the annular seal space on the escape pipe.