CN1344579A

CN1344579A - Filtering device

Info

Publication number: CN1344579A
Application number: CN 01123962
Authority: CN
Inventors: 苏山多·北
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-04-20
Filing date: 2001-08-08
Publication date: 2002-04-17
Anticipated expiration: 2021-08-08
Also published as: CN1308054C; ID29900A; AU3010300A; AU780917B2

Abstract

A filter (10) for filtrating special impurities contained in fluid medium. The filter (10) comprises a hollow member (12) with a first openings and a second openings facing the first one. A lid member (18) with a through hole is removable fixed to the first openings and the fluid medium enters into the chamber of the hollow member (12) via the through hole. An carding and non-woven textile fibres is arranged in the chamber and the route of the fluid chamber to trap a majority of impurities. The fluid medium substantially free of impurities passes through the second openings and flows out the hollow member (12).

Description

Filter

Technical field

The present invention relates to a kind of filter that filters flow media, the particularly unrestriced filter that is used to filter from the water of tap.

Background technology

Flow media is water, fuel for example, and all gases contains special impurity usually, uses filter to filter these impurity so that the flow media that consumes or use is substantially free of impurity.

Existing filter, the tube that dress filtering material in is arranged usually, the configuration of tube can make flow media to be filtered by permeability ground before the filter by filtering material, when flowing through filtering material, hold back down special impurities in the filtering material greater than a certain size.Thereby make medium by filtering material not contain impurity greater than above-mentioned size.

Through after a while, these can stop up because of the impurity of holding back, thereby they must be changed.The expense of changing these is very high.When filtering flow media with filter, at one day internal consumption or when using the flow media that will filter many times, the time cycle of stopping up cartridge filter will be quite short.The expense that this accumulative total is changed will make many people be difficult to bear.

The applicant attempts towards the cartridge filter of the cleaner known filters of Xian always, owing to most of impurity of holding back in the filtering material can not be removed this success of attempting and is restricted.

Usually each cartridge filter has a central filter core and a shell, and the coiling filtering material which floor tightly is wrapped in around the central filter core shape (spun thread) in the shape of a spiral or tandem (string) shape is loaded in the space between filter core and shell.Helical form or tandem shape material are made by synthetic material usually, they can not be removed during towards Xian or replacing, will damage if firmly remove this housing, thereby can not twine the helical form or the tandem shape filtering material of replacing, make its filter efficiency reach degree as new cartridge filter.

When cartridge filter is subjected to time spent of doing towards Xian, helical form in the cartridge filter or tandem shape filtering material also are subject to destruction.

Therefore, people wish to have a kind of filter of cheaply easily purchasing, and wish that also this kind filter is easy to change filtering material simultaneously, wish that more filtering material is easy to obtain.

Summary of the invention

The purpose of this invention is to provide a kind of filter, can relax to a certain extent or reduce one or more defectives that in above-mentioned prior art, exist at least.

One aspect of the present invention provides a kind of filter that filters special impurities in the flow media, this device comprises a ducted body member, this member has second openend of relative described first openend with of one first openend, lid member with through hole, the lid member detachably is fastened on first end, makes flow media flow through described hole and enters in the ducted body member.Combing or the fibrous material (carded or unspun textile fibre material) that does not spin are configured in the path of cavity neutralized stream moving medium, so that in above-mentioned fibrous material, hold back most of impurity, and flow media free from foreign meter is substantially flowed out from the ducted body member by described second hole.

Preferred combing and the fibrous material that does not spin are raw cotton fibers, can both bear for most people, and be easy to buy.

The test that the applicant filters flow media with many different materials, surprised discovery, combing or the textile fiber material that do not spin for example raw cotton fiber have good strainability.In addition, but the hollow material of this material arbitrary shape, and it can be by different compressions to filter the impurity of different sizes.

Body member can comprise the body part of a plurality of multistage connections, and described body part optionally connects according to required filter capacity.Containment member is arranged between the adjacent body part, and required being threaded is provided between adjacent body part.

Best, through hole is set in lid, be central authorities so that fibrous material and flow media initial contacts at above-mentioned fibrous material.

More preferably, the inventive system comprises and have the distributor that is provided with a plurality of spacer holes, flowable medium enters fibrous material to distribute.This distributor member can have the disc-shaped part that has described hole, around an annular wall extends upward and be arranged on described hole from described disc-shaped part.An annular wall limits most of flow media and flows through this hole, make and have only a spot of or do not have flow media to flow through annular wall, this set will help to prevent flow media and impurity wherein before entering the hole along flowing between fibrous material material and the hollow component.

Advantageously, the distributor member has another belt wall, extend round about from a described belt wall, another belt wall be suitable for entering described fibrous material material in case the hole near this fibrous material material.This helps the diffusion of flow media in the fibrous material material, thereby has reduced pressure at this place.

In the use, the distributor member is compressed into hollow cavity as pressure member with fibrous material.Flow media in the space between a described belt wall and body member is exerted pressure downwards, acts on the fibrous material material, has reduced the pressure on the lid member so successively.

Required containment member is set, so that the sealing of covering between member and the hollow body member to be provided.Containment member extends radially inwardly, and it contacts with described distributed component in the use.

It is that dismoutability connects that the lid member can be arranged to connected joint, and described joint is connected with pipe or tap.Usually, the lid member has an endless member, and cylindrical part is connected with described endless member between its axial inner ends and axial outer end.Edge member is connected on the described endless member.Described axial inner ends extends in the described distributor member, so that the gap minimum between the hole of axial inner ends and distributor member.Axial outer end is threaded, so that be connected with threaded joint dismoutability.

Joint can be provided with a neck, so that be threaded or be clamped and connected with tap or pipe.

When linking together, the sealing ring of setting makes between described lid member and the joint and seals.

Best, edge member is threaded, so that be removable in being connected of added thread part with an end place of this body part.

The ducted body member can and close on the independent filtering material of described second openend configuration in the downstream of described fibrous material material.Preferred described independent filtering material is graininess carbon or materials similar.

Advantageously, contain independent filtering material so that from then on flow media flows through at the container that has the perforate end.Screen can be arranged on an end or two ends of openend.Between fibrous material material and container, screen is set.Preferably, described screen is made by felt materials.

This container has from big end to the tapered wall that small end extends, and the hollow body part that is suitable for holding this container also has an additional tapered wall.When contiguous described second openend of the small end of this container, this tapered wall can guarantee only to hold this container on described position.

Tapered wall is set, makes tapered wall just in time the same from the gap that big end extends between the small end.

The body member part that contains described tapered wall preferably radially inwardly becomes stepped.

Described second openend can be arranged to be connected with joint, and described joint is connected on pipe or the tap.

Generally, flow media is a water, oil, oil or gas.

Usually, the body member of setting can be used for the visual inspection fibrous material, so that the user can see its situation.Like this, can make the user in use, determine the time of cleaning fibre material.Can be provided with window so that visual inspection about body member, or make by transparent or translucent material.

The applicant find combing or the textile fiber material that do not spin when cleaning, in solvent or water, can be easy to be removed.Before needs were changed fibrous material, cleaning procedure can repeat many times.Like this, just greatly reduce the expense of operation filter, owing to do not require expensive tube, therefore, the expense of making filter will reduce greatly than prior art.

Filter test according to the present invention shows that 0.5 micron tube-shaped filter has strainability preferably.

Description of drawings

For clearer understanding the present invention and actual effect thereof, now, (nonrestrictive) of the present invention embodiment is described with reference to the drawings; Wherein:

Fig. 1 is the cutaway view of one section filter embodiment of the present invention;

Fig. 2 is the partial sectional view of two sections filter embodiment of the present invention;

Fig. 3 is two sections filter decomposition diagrams shown in Figure 2.

The specific embodiment

Referring to Fig. 1, Fig. 1 illustrates one section filter 10 of the present invention.This device 10 is filtered water, and it is connected on the tap 100.Device 10 has a stepped tubular hollow body member 12, and member 12 has most 14 and one a less part 16.Body member 12 is suitable for water and flows into most 14 openend (entrance point), and the openend (port of export) by less part 16 flows out this device 10.

Major part 14 at described entrance point has external screw thread, is used for connection cover member 18.Lid member 18 has a disc-shaped part 20, one edge parts 22 and axially extends internally a neck member 24 and a water guiding part 26 from parts 20.Edge member 22 is tapped, so that be threaded onto than on the major part 14, neck member has seat 25 (see figure 3)s and is used to hold seal.

Neck member 24 also is threaded, is used for being connected with threaded joint 28, and joint 28 is connected on the tap 100.Joint 28 optionally connects with tap 100.In the embodiment in figure 1, joint 28 has a closure member 30, and part 30 has a centre bore, and an elastic tube 32 that is positioned on tap 100 mouths of pipe extends through centre bore.A clip 34 will install 10 and be anchored on tap 100.Clip 32 can prevent that also sealing leaks from managing 32.

Pipe 32 forms one with flange 36, and the effect of flange 36 is as a kind of seal, and they are mounted on present 25.

During installation, the container 38 that carbonaceous material 40 powdery or granular is housed is arranged in the less part 16; Less part 16 and container 38 have tapered wall, beginning, and container 38 is only to insert than small end.

Carbonaceous material 40 is clamped between top felt screen 42 and the bottom felt screen 44, and described top felt screen 42 and bottom felt screen 44 are separately positioned on adjacent vessel 38 top covers 46 and bottom 48 places.Be noted that here it is with holes covering 46 and 48, so that water flows through device 10.

Felt pad 50 is loaded into to be configured in before most 14 at raw cotton (cotton wool) 52 and covers on 46, and water distributor 54 (see figure 3)s are used for being pressed on partly 14 raw cotton 52;

Distributor 54 is that a spider 56 that in fact extend into major part 14 walls is arranged, and axially outside belt wall 58 and axial inside belt wall 60 are arranged; Spider has the hole 62 that is arranged on the interval in wall 58 scopes of going in ring,

annular wall

58 and 60 stretches into the middle part of raw cotton 52 substantially towards initial whole water, then from this punishment cloth, this set guarantees the impurity in raw cotton 52 trap water, and raw cotton pollutes from the middle part, and therefore the effect of handling is significant.

Body member 12 is made by material transparent, so that the user can estimate the state of raw cotton 52 and the time that raw cotton 52 is cleaned in decision.

Except minute water distribution, distributor 54 changes current from tap 100 and becomes shower water on raw cotton 52, and this set can be reduced in the pressure on the raw cotton 52 and prevent may caused damage under high hydraulic pressure.

The port of export of device 10 is also threaded, in order to the joint 66 that is connected to the flexible pipe (see figure 2), or provides current.

Referring to Fig. 2, Fig. 2 illustrates the embodiment of two sections filters 70, and this device 70 is similar to the device 10 shown in Fig. 1, and different is hollow extension member 72 and the joint 74 that is used for being connected to pipe or flexible pipe 102.For the uniformity of application documents, identical member represented in the same composition code name.

Extension member 72 has tapped sleeve part 76 in its lower end, sleeve partly 76 have be arranged on sleeve partly above being suitable in 76 threaded portions hold the seat 78 of sealing ring 80, the remainder of extension member 72 is the same with device 10 than large part 14.

When the user need change two sections filters 70 into one section, as long as adaptive extension member 72 and ducted body member 12 are connected and add more raw cotton 52.Distributor 54 can reuse, and is used for compressing raw cotton 52.If desired with in more raw cotton 52 charging apparatus 70, can repeat to add and be pressed into technology.

Fig. 3 is a decomposition diagram, clearly shows all members of device 10 and 70, how member is assembled into one section filter 10 and two sections filters 70.

By explanation,, in the scope that does not break away from the present invention and summarized, can make many changes and improvements for those skilled in the art to the embodiment of the invention.

Claims

1. filter that filters special impurities in the flow media, this device comprises that one has the ducted body member of second openend of first openend and relative first openend, one has the lid member of through hole, the lid member detachably is fastened on described first end, so that flow media flows through the cavity that described hole enters described body member, combing or the textile fiber material material that does not spin be arranged in the cavity or the flow media flow path in, so that most of impurity is trapped in above-mentioned fibrous material material, and the flow media that is substantially free of above-mentioned impurity flows out body member by described second perforate.

2. according to the device of claim 1, it is characterized in that combing or the textile fiber material that does not spin are the materials of knitting wool or similar performance.

3. according to the device of claim 2, it is characterized in that combing or the textile fiber material that does not spin are raw cotton or wool.

4. according to the arbitrary device of claim 1-3, it is characterized in that body member comprises the extended element of a plurality of multistage connections, extended element optionally connects to meet required filter capacity.

5. according to the device of claim 4, it is characterized in that containment member is arranged between the contiguous extended element.

6. according to the arbitrary device of claim 1-5, it is characterized in that being provided with that to cover member through-hole so that flow media and fibrous material material contact at first be fibrous material in central authorities.

7. according to the device of claim 6, it is characterized in that the distributor member has spacer holes and enters in the fibrous material material with the described flow media that distributes.

8. according to the device of claim 7, it is characterized in that the distributor member has a dish type partly, this dish type partly has described hole, partly extend upward and be arranged on described hole belt wall on every side with one from described dish type, this wall that goes in ring is suitable for limiting flow media basically and flows through the hole, so that a spot of or do not have flow media to flow through belt wall.

9. according to the device of claim 8, it is characterized in that the belt wall that the distributor member also has another above-mentioned relatively belt wall to extend round about, described another belt wall is suitable for stretching in the described fibrous material material, so that described hole flows to the central authorities of fibrous material material near fibrous material material and flow media.

10. according to the device of one of claim 7-10, it is characterized in that in use that the distributor member can be used as pressure member, so that described fibrous material is pressed in the cavity.

11., it is characterized in that in the space between a described belt wall member and body member the flow media reinforcing in described distributor member, and on the fibrous material material, apply downward pressure according to the device of one of claim 8-10.

12. according to the device of one of claim 1-11, it is characterized in that being provided with a lid containment member, make to cover between member and the hollow body member to seal.

13. according to the device of claim 12, it is characterized in that in use, containment member extends radially inwardly, contact with described distributor member.

14. according to the device of one of claim 1-13, it is characterized in that the lid member that is provided with is to be detachably connected on the joint, described joint and pipe or flexible pipe or tap are connected.

15. according to the device of one of claim 1-14, it is characterized in that covering member has an annular part, one is being connected to described annular tubular part and marginal portion that is connected on the described annular part partly between its axial inner ends and the axial outer end.

16. according to the device of claim 15, it is characterized in that axial inner ends extends in the distributor member, so that the gap minimum between the hole of axial inner ends and distributor.

17., it is characterized in that axial outer end is threaded according to the device of one of claim 15-16, detachably be connected on the threaded joint, joint has a neck, is connected with tap or gas thread or is clamped and connected.

18. according to the device of one of claim 15-17, it is characterized in that described edge is threaded, removably partly be connected with added thread at an end place of body member.

19. according to the device of one of claim 1-18, it is characterized in that the ducted body member, and contiguous described second open end is provided with independent filtering material in described fibrous material material downstream.

20., it is characterized in that independent filtering material is contained in the container of end with holes, so that flow media flows through this container according to the device of claim 19.

21., it is characterized in that screen is arranged at an end or two ends of contiguous end with holes according to the device of claim 20.

22., it is characterized in that screen is arranged between fibrous material material and the container according to the device of one of claim 20-21.

23., it is characterized in that described screen made by felt materials according to the device of one of claim 20-22.

24. according to the device of one of claim 20-23, it is characterized in that container has the tapered wall of extending to small end from big end, and this hollow body that is suitable for storage container partly has additional tapered wall, but the tapered wall bonding to storage container.

25., it is characterized in that the setting of tapered wall so that when holding this container, between tapered wall, exist the gap just in time the same with the gap that extends to small end from big end at described ducted body position according to the device of claim 24.

26., it is characterized in that body member partly has from the ducted body remainder and radially inwardly become step-like tapered wall according to the device of one of claim 24-25.

27. according to the device of one of claim 1-26, it is characterized in that described second openend that is provided with is used to be connected to joint, described joint is connected on pipe or the tap.

28., it is characterized in that flow media is water, oil or gas according to the device of one of claim 1-27.

29. according to the device of one of claim 1-28, the body member tolerable range estimation fibrous material material that it is characterized in that being provided with, so that in use the user can recognize the situation of fibrous material, thus the time of determining to clean the fibrous material material.

30. according to the device of claim 29, it is characterized in that body member has a window and can estimate, this window is made by transparent or translucent material.

31. according to aforesaid and with reference to the filter of accompanying drawing 1 and Fig. 3.

32. according to aforesaid and with reference to the filter of accompanying drawing 2 and Fig. 3.