CN1274384C - Multilayer filter - Google Patents
Multilayer filter Download PDFInfo
- Publication number
- CN1274384C CN1274384C CN 03120278 CN03120278A CN1274384C CN 1274384 C CN1274384 C CN 1274384C CN 03120278 CN03120278 CN 03120278 CN 03120278 A CN03120278 A CN 03120278A CN 1274384 C CN1274384 C CN 1274384C
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- China
- Prior art keywords
- filter course
- filtration device
- multiple filtration
- ground floor
- layer
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Abstract
The present invention discloses a multilayer filter which relates to a domestic and movable cleaning machine. The multilayer filter comprises a first layer filtering object for covering the entire inlet, and a second layer filtering object, wherein the second layer filtering object and the first layer filtering object are arranged in parallel, and the second layer filtering object has the degree of density different from that of the first layer filtering object. An interlayer is arranged between the first layer filtering object and the second layer filtering object, and is used for keeping a predetermined interval between the first layer filtering object and the second layer filtering object. The multilayer filter product can prevent the blockage between the filtering layers, and can realize the high cleanness requirement for the filtering result.
Description
Technical field
The present invention relates to a kind of household cleaning device, especially relate to a kind of architecture advances of filter of household cleaning machine.
Background technology
The equipment that is provided with filtering function on the existing market, as domestic vacuum cleaners, cleaning machine for water tank, washing machine or the like, generally all be to use single a kind of filter course, the ability of the filtration foreign material of these filter courses, not certain standard, but realize that by attempt accepting or rejecting it is the density that the fine degree of filtering is as required selected filter course that this choice is attempted.But fine and closely woven excessively filter course stops up easily; And stop up in order to prevent, select the filtering holes of dredging for use, do not reach the requirement of filtering fine foreign material again.
In large-scale industrial air filtration system, air can be filtered once with more careless filter course earlier, afterwards more progressively through finer and closely woven filter course, till realizing the degree of purity that requires.But so cost and the volume that is provided with all is very large, can not be used in common on the market family expenses, movably on the cleaning and filtering device.
Summary of the invention
Above-mentioned shortcoming at prior art, the object of the present invention is to provide a kind of multiple filtration device, by setting the filter course of multilayer different density degree, gas or liquid that import is advanced filter, promptly prevent the blocked of filter course, can realize the cleaning high request of filter result again.
A kind of multiple filtration device of the present invention, be used for household cleaning machine or cleaner movably, it comprises a ground floor filter course, coat whole import, wherein, described multiple filtration device also comprises a second layer filter course at least, be provided with described ground floor filter course is parallel, and has a density that is different from the ground floor filter course, between the filter course of the described ground floor and the second layer, be provided with one and can keep the unimpeded wall of water stream channel, be used to keep the predetermined space between described ground floor and the second layer filter course.
Described multiple filtration device, wherein, the ground floor filter course that sewage enters at first, its filter densities is to dredge than second layer filter course.
Described multiple filtration device, wherein, the one deck at least in described ground floor and the second layer filter course is rigid filter course.
Described multiple filtration device, wherein, described wall is an a plurality of support column portion.
Described multiple filtration device, wherein, described wall is that filter capacity all is low thin hole material than ground floor or second layer filter course.
Described multiple filtration device, wherein, the one deck at least in described ground floor and the second layer filter course is soft filter course.
Described multiple filtration device, wherein, described soft filter course is a cloth.
Described multiple filtration device, wherein, described wall is that filter capacity all is low thin hole material than ground floor or second layer filter course.
Described multiple filtration device, wherein, described multiple filtration device has three layers or above filter course, and the density of described filter course enters the gradually close setting of order according to sewage.
Brief Description Of Drawings
Below in conjunction with accompanying drawing,, will make technical scheme of the present invention and beneficial effect thereof apparent by detailed description to preferred embodiment of the present invention.
In the accompanying drawing,
The schematic appearance of the cleaning machine for water tank that Figure 1A is used for for the present invention;
Figure 1B is the positional structure schematic diagram of multiple filtration device of the present invention;
Fig. 2 is the principle schematic of multiple filtration device of the present invention;
Shown in Fig. 3 is the cross-sectional view of first preferred embodiment of multiple filtration device of the present invention;
Fig. 4 then shows the cross-sectional view of second preferred embodiment of multiple filtration device of the present invention.
The specific embodiment
Described multiple filtration device 100, it comprises a ground floor filter course 110 at least, as shown in Figure 2, it has a more careless degree of filtration, and comprise a second layer filter course 120 at least, it has the finer and closely woven degree of filtration of more described ground floor filter course, and with described ground floor filter course 110 parallel settings, and, between described ground floor filter course 110 and second layer filter course 120, be provided with a wall 130, be used to keep the predetermined space between them, after the filtration of described ground floor filter course 110 of current process, just can in this wall 130, have mobile like this, because this wall 130 does not have filtering function, just current are collected, thereby current just can not stop up water stream channel because of too pressing close to of ground floor filter course 110 when entering described second layer filter course 120, thereby keep the continuous service of filtering function; When the more fine and closely woven filter course of multilayer is set, just can realize the requirement of different filter cleaning degree.
Below be preferred embodiment of the present invention:
As shown in Figure 3, in first preferred embodiment of the present invention, the two filter layers 110,120 of multiple filtration device 100 of the present invention all is to be made by hard material, filter course can be sheet material or star folding, overall appearance can be round barrel shape or square box shape, but the non-restriction to scope of patent protection of the present invention of face shaping; Between two filter layers, be provided with wall 130, concrete, being provided with of this wall can be provided with by the fixed position around water inlet and realize at interval, also can between described ground floor and the second layer filter course support column portion 131 be set realizes, can also between in described wall 130, fill no filter capacity thin hole material realize that in a word, this wall 130 needs maintenances one predetermined space, so that water stream channel is unblocked, filter capacity is better.
As shown in Figure 4, in second preferred embodiment of the present invention, the two filter layers 110,120 of multiple filtration device 100 of the present invention is a flexible material, for example cloth, screen pack etc., because flexible material itself can not be located, therefore the difference of the density degree in similar the foregoing description is provided with, wall 130 between two-layer preferably adopts one deck not have the thin hole material of filter capacity, be filled in the whole wall, can realize keeping the predetermined space between described two filter layers 110 and 120 like this, so that keep the unblocked of water stream channel.In theory, it is best that this wall 130 should not have any filtering function, but actually, how many any thin hole materials always will have certain filter capacity, therefore, and in the three layer filtration layer altogether in the present embodiment, can the independent separate setting, also can fit together mutually and make composite, perhaps part is separated, and part is compound.
It is pointed out that multiple filtration device of the present invention, it can be more multi-layered requiring its hierarchical Design according to filtration, and selected materials can be above-mentioned two embodiment, also can be in conjunction with hard material and flexible material, to realize multiple filtration purpose of the present invention.
And should be noted that; in the description of the foregoing description; the density of ground floor and second layer filter course is selected according to its position; internal layer near import uses the big filtering material of density; next uses the little filtering material of density, therefore, and for those of ordinary skills; can carry out various possible being equal to according to the description of the foregoing description and replace or change, and all these replacements or change all should belong to the protection domain of appended claim of the present invention.
Claims (9)
1, a kind of multiple filtration device, be used for household cleaning machine, it comprises a ground floor filter course, coat whole import, it is characterized in that, described multiple filtration device also comprises a second layer filter course at least, be provided with described ground floor filter course is parallel, and have the density that is different from the ground floor filter course, and between the filter course of the described ground floor and the second layer, be provided with one and can keep the unimpeded wall of water stream channel, be used to keep the predetermined space between described ground floor and the second layer filter course.
2, multiple filtration device according to claim 1 is characterized in that, the ground floor filter course that sewage enters at first, and its filter densities is to dredge than second layer filter course.
3, multiple filtration device according to claim 1 is characterized in that, the one deck at least in described ground floor and the second layer filter course is rigid filter course.
4, multiple filtration device according to claim 3 is characterized in that, described wall is an a plurality of support column portion.
5, multiple filtration device according to claim 3 is characterized in that, described wall is that filter capacity all is low thin hole material than ground floor or second layer filter course.
6, multiple filtration device according to claim 1 is characterized in that, the one deck at least in described ground floor and the second layer filter course is soft filter course.
7, multiple filtration device according to claim 6 is characterized in that, described soft filter course is a cloth.
8, multiple filtration device according to claim 6 is characterized in that, described wall is that filter capacity all is low thin hole material than ground floor or second layer filter course.
According to the described multiple filtration device of the arbitrary claim in prostatitis, it is characterized in that 9, described multiple filtration device has three layers or above filter course, the density of described filter course enters the gradually close setting of order according to sewage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03120278 CN1274384C (en) | 2003-03-06 | 2003-03-06 | Multilayer filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03120278 CN1274384C (en) | 2003-03-06 | 2003-03-06 | Multilayer filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1526468A CN1526468A (en) | 2004-09-08 |
| CN1274384C true CN1274384C (en) | 2006-09-13 |
Family
ID=34285345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03120278 Expired - Lifetime CN1274384C (en) | 2003-03-06 | 2003-03-06 | Multilayer filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1274384C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8308855B2 (en) * | 2007-09-28 | 2012-11-13 | Toray Industries, Inc. | Filter element and filter unit |
| CN102698500A (en) * | 2012-06-14 | 2012-10-03 | 江苏中威重工机械有限公司 | PVC (polyvinyl chloride) filter plate |
| CN103157336A (en) * | 2013-04-07 | 2013-06-19 | 王莉萍 | Indoor air filter |
| CN104399302A (en) * | 2014-11-21 | 2015-03-11 | 成都彼斯特生物科技有限公司 | Multi-layer filtering device used for separation and purification of biological pharmacy |
| CN107174880A (en) * | 2017-05-31 | 2017-09-19 | 南通不二环境科技有限公司 | PVC filters |
-
2003
- 2003-03-06 CN CN 03120278 patent/CN1274384C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN1526468A (en) | 2004-09-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHIBAO POOL PRODUCTS CO., LTD. Free format text: FORMER OWNER: XU YONGDE Effective date: 20130216 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130216 Address after: New jersey, USA Patentee after: Chi Chi swimming pool products Co.,Ltd. Address before: Hongkong, China Patentee before: Xu Yongde |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160201 Address after: Hongkong China 110 how Ming Street, Kwun Tong Hanten Arts crafts emporium 8 floor A room Patentee after: Xu Yongde Address before: New jersey, USA Patentee before: Chi Chi swimming pool products Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20060913 |
|
| CX01 | Expiry of patent term |