CN209952472U - Cleanable filter - Google Patents
Cleanable filter Download PDFInfo
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- CN209952472U CN209952472U CN201920373270.5U CN201920373270U CN209952472U CN 209952472 U CN209952472 U CN 209952472U CN 201920373270 U CN201920373270 U CN 201920373270U CN 209952472 U CN209952472 U CN 209952472U
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- filter
- filter paper
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- frame
- microporous membrane
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Abstract
The utility model provides a cleanable filter, which comprises an outer frame and a filter element, wherein the middle part of the outer frame is a filter channel, an air inlet and an air outlet are formed on two sides of the outer frame, the filter element comprises filter paper, one surface of the filter paper, which corresponds to the air inlet, is provided with a microporous membrane, and one surface of the filter paper, which corresponds to the air outlet, is provided with a fixing strip; the microporous membrane can block dust particles in the air outside the filter paper, so that the dust particles are prevented from invading into the filter paper to influence the filtering effect; meanwhile, the microporous membrane has excellent waterproof and air-permeable performance, so that the filter element has the characteristic of being cleanable, and the microporous membrane has a protection effect on the filter paper, so that the working efficiency of the filter after cleaning is ensured not to be reduced basically; the fixing strip is arranged on one surface of the filter paper corresponding to the air outlet, so that the supporting and fixing effects on the filter paper are guaranteed, and the fixing strip is not arranged on one surface of the filter paper corresponding to the air inlet, so that the dust holding effect is enhanced; the filter core is detachable structure with the frame, and the filter core can be repeatedly used after wasing, can prolong the life-span of filter, reduces the replacement cost.
Description
Technical Field
The utility model relates to a filter equipment field especially relates to a can wash formula filter.
Background
Along with the continuous improvement of products such as electronics and semiconductors to the environmental requirement, more and more air purification equipment has appeared, and in these air purification equipment, most all need use the filter to remove dust to the air, current filter mainly divide into has baffle filter and no baffle filter, compare with having the baffle filter, no baffle filter has small, light in weight, be convenient for install, the stable, the even advantage of wind speed of efficiency, the homogeneity of holding dirt has further been improved, life has been prolonged, consequently the wide application is in the clean factory building that requires higher to the environment. However, the filter element of the existing filter without the partition plate is generally disposable, cannot be cleaned and recycled, and has short service life and high use cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can wash formula filter, used repeatedly after the filter core can wash reduces use cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a can wash formula filter, includes frame and filter core, the frame is hollow structure, the middle part of frame is for filtering the passageway, the both sides of frame form air intake and air outlet, the filter core is located filter in the passageway, the filter core includes filter paper, filter paper correspond the one side of air intake is equipped with the microporous membrane, filter paper correspond the one side of air outlet is equipped with the fixed strip.
Preferably, the microporous membrane is made of waterproof PTFE (polytetrafluoroethylene).
Preferably, a face protection net is arranged at the air outlet and fixed on the outer frame.
Preferably, the filter paper is pleated, and the fixing strip is disposed along the pleated extension direction of the filter paper.
Preferably, the outer frame is provided with an opening and closing edge and a fixing edge which are opposite, the opening and closing edge is detachably connected with the fixing edge, and a guide groove is formed in the inner side of the fixing edge.
Preferably, the fixed edge is U-shaped, one end of the opening and closing edge is hinged with one end of the U-shaped fixed edge, and the other end of the opening and closing edge is detachably connected with the other end of the fixed edge through a connecting piece.
Preferably, the filter element further comprises an inner frame, the filter paper is arranged inside the inner frame, and the inner frame is embedded into the guide groove.
Preferably, a sealing glue is arranged at the joint of the inner frame and the filter paper.
Preferably, the filter paper is provided with creases, and the creases are arranged at intervals, preferably at equal intervals.
Preferably, the fixing strip is hot melt adhesive.
Compared with the prior art, the utility model discloses a can wash formula filter has following beneficial effect:
(1) the filter paper is provided with a microporous membrane on one side corresponding to the air inlet, micropores in the microporous membrane are uniformly distributed, the porosity is high, all dust particles including bacteria can be filtered while air circulation is kept, the dust particles can be blocked outside the filter paper, and the dust particles are prevented from invading into the filter paper to influence the filtering effect; meanwhile, the pore diameter of the microporous membrane is larger than the diameter of water vapor molecules and far smaller than the diameter of water molecules, so that the microporous membrane has excellent waterproof and air-permeable performances, the filter element has the characteristic of being cleanable, and the microporous membrane has a protection effect on filter paper during cleaning, and the working efficiency of the filter after cleaning is ensured not to be reduced basically;
(2) the fixing strip is arranged on one surface of the filter paper corresponding to the air outlet, so that the supporting and fixing effects on the filter paper are guaranteed; one side of the filter paper, which corresponds to the air inlet, is not provided with a fixing strip, so that the dust holding effect of the filter element is enhanced;
(3) the filter core is detachable structure with the frame, and the filter core can wash back used repeatedly, and the life of filter is longer to can reduce the replacement cost.
Drawings
Fig. 1 is a schematic structural diagram of a cleanable filter according to embodiment 1 of the present invention;
fig. 2 is a schematic structural view of another angle of a cleanable filter according to embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of an outer frame of a cleanable filter according to embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram of a filter element of a cleanable filter according to embodiment 1 of the present invention;
fig. 5 is a schematic structural diagram of the filter paper of the cleanable filter according to embodiment 1 of the present invention after being unfolded.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
Please refer to fig. 1 to fig. 5, in which fig. 1 is a schematic structural diagram of a cleanable filter according to embodiment 1 of the present invention; fig. 2 is a schematic structural view of another angle of a cleanable filter according to embodiment 1 of the present invention; fig. 3 is a schematic structural diagram of an outer frame of a cleanable filter according to embodiment 1 of the present invention; fig. 4 is a schematic structural diagram of a filter element of a cleanable filter according to embodiment 1 of the present invention; fig. 5 is a schematic structural diagram of the filter paper of the cleanable filter according to embodiment 1 of the present invention after being unfolded.
The utility model discloses can wash formula filter, including frame 1 and filter core 2, frame 1 is hollow structure, and the middle part of frame 1 is for filtering passageway 3, and the both sides of frame 1 form air intake 4 and air outlet 5, and in filter core 2 located filtering passageway 3, filter core 2 included filter paper 6, and filter paper 6 is equipped with the microporous membrane corresponding to the one side of air intake 4, and filter paper 6 is equipped with fixed strip 7 corresponding to the one side of air outlet 5. The filter element 2 is used for filtering dust particles in dust-containing air, micropores in the microporous membrane are uniformly distributed, the porosity is high, all dust particles in the air can be filtered while air circulation is kept, the dust particles can be blocked outside the filter paper 6, and the filter effect is prevented from being influenced by the dust particles invading into the filter paper 6; meanwhile, the pore diameter of the microporous membrane is larger than the diameter of water vapor molecules and far smaller than the diameter of water molecules, so that the microporous membrane has excellent waterproof and air-permeable performance, the filter element 2 has the characteristic of being cleanable, and the microporous membrane has a protection effect on the filter paper 6 during cleaning, and the working efficiency of the filter after cleaning is ensured not to be reduced basically; the fixing strip 7 plays a role in fixing and supporting the filter paper 6 so as to enhance the firmness of the filter paper 6 and avoid the filter paper 6 from being blown and deformed in use; the side of the filter paper 6 corresponding to the air inlet 4 is not provided with the fixing strip 7, so that the dust containing effect of the filter paper 6 can be improved.
Preferably, the microporous membrane is made of waterproof PTFE (polytetrafluoroethylene), has excellent waterproof and air-permeable performance, can block dust particles in the air outside the filter paper 6, realizes the cleanable function of the filter element 2, basically does not reduce the working efficiency of the filter after cleaning, is beneficial to prolonging the service life of the filter and reducing the replacement cost.
Preferably, the air outlet 5 is provided with a protective screen 15, and the protective screen 15 is fixed on the outer frame 1. Further, the mesh of the facing net 15 is diamond-shaped or honeycomb-shaped. The protective screen 15 is used for increasing the firmness of the filter element 2 and preventing the filter paper 6 from being blown out or bulging out, thereby prolonging the service life of the filter element 2.
Preferably, the filter paper 6 is pleated, and the plurality of fixing bars 7 are arranged along the direction in which the pleats of the filter paper 6 extend. Through the reasonable design of the pleat height of the filter paper 6, the filter can reach the maximum dust holding capacity when the resistance is minimum, and the higher dust gathering rate and the better dust holding effect are ensured.
Preferably, the outer frame 1 has an opening and closing edge 8 and a fixing edge 9 which are opposite, the opening and closing edge 8 is detachably connected with the fixing edge 9, and a guide groove 10 is arranged on the inner side of the fixing edge 9; further, the fixing edge 7 is U-shaped, one end of the opening and closing edge 8 is hinged with one end of the U-shaped fixing edge 9, and the other end of the opening and closing edge 8 is detachably connected with the other end of the fixing edge 9 through a connecting piece 11.
Preferably, the filter element 2 further comprises an inner frame 12, the filter paper 6 is disposed inside the inner frame 12, and the inner frame 12 is inserted into the guide groove 10. The structure of the guide groove 10 is matched with that of the inner frame 12, so that the stability and the sealing performance of the filter element 2 in the outer frame 1 are ensured. Frame 1's detachable construction, frame 1 and filter core 2's split type structure help realizing that filter core 2 can wash the function, and easy to assemble, washing or renew cartridge 2 are favorable to frame 1 and filter core 2's reuse.
Preferably, a sealant 13 is arranged at the joint of the inner frame 12 and the filter paper 6, and the sealant 13 is used for fixing the edge of the filter paper 6 on the inner wall of the inner frame 12, so that the tightness is ensured, and the filtering effect of the filter element 2 on dust-containing air is realized.
Preferably, the filter paper 6 is provided with the creases 14, the creases 14 are arranged at equal intervals to ensure that equal-height pleats of the filter paper 6 are formed, and the reasonable equal-height pleats and the number of pleats of the filter paper 6 are formed by reasonably designing the intervals of the creases 14, so that the filter can achieve the maximum dust holding capacity when the resistance is minimum.
Preferably, the plurality of fixing strips 7 are hot melt adhesives for fixing and supporting the filter paper 6, and reducing deformation of the filter paper 6 when the filter cartridge 2 is used or cleaned.
Furthermore, the pore size of the microporous membrane is 0.2-0.5 micron, and the microporous membrane can be suitable for filtering scenes of filters with medium efficiency, sub-high efficiency and the like. When the cleanable filter of the utility model is applied as a medium-efficiency filter, the aperture of the microporous membrane is 0.3-0.5 micron, and the filtering efficiency reaches more than 85 percent; when the microporous membrane is applied to a sub-high efficiency filter, the pore diameter of the microporous membrane is 0.2-0.5 micron, the filtering efficiency reaches more than 95%, the function of cleaning the filter element can be realized, and the use cost is reduced.
And simultaneously, the utility model discloses a frame 1 that can wash formula filter preferably adopts firm aluminum alloy frame, and the sound construction is steady, ensures that the filter also is unlikely to warp or damage under relatively poor operational environment.
To sum up, the utility model provides a can wash formula filter, filter paper 6 is equipped with the microporous membrane corresponding to the one side of air intake 4, and the micropore in the microporous membrane distributes evenly, and the porosity is big, when keeping the circulation of air, can filter the dust particle in the air, can block the dust particle outside filter paper 6, avoids dust particle to invade and influences the filter effect in filter paper 6; meanwhile, the pore diameter of the microporous membrane is larger than the diameter of water vapor molecules and far smaller than the diameter of water molecules, so that the microporous membrane has excellent waterproof and air-permeable performance, the filter element 2 has the characteristic of being cleanable, and the microporous membrane has a protection effect on the filter paper 6 during cleaning, and the working efficiency of the filter after cleaning is ensured not to be reduced basically; a fixing strip 7 is arranged on one surface of the filter paper 6 corresponding to the air outlet 5, and the fixing strip 7 plays a role in fixing and supporting the filter paper 6 so as to enhance the firmness of the filter paper 6 and avoid the filter paper 6 from being blown and deformed in use; the side of the filter paper 6 corresponding to the air inlet 4 is not provided with the fixing strip 7, so that the dust holding effect of the filter paper 6 can be improved; frame 1's detachable construction, frame 1 and filter core 2's detachable construction help realizing that filter core 2 can wash the function, and easy to assemble, washing or renew cartridge 2 are favorable to frame 1 and filter core 2's reuse, can prolong the life of filter, reduce use cost.
The present invention has been described in relation to the above embodiments, which are only examples for implementing the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.
Claims (10)
1. The utility model provides a can wash formula filter, includes frame and filter core, the frame is hollow structure, the middle part of frame is for filtering the passageway, the both sides of frame form air intake and air outlet, the filter core is located in filtering the passageway, its characterized in that: the filter element comprises filter paper, a microporous membrane is arranged on one side, corresponding to the air inlet, of the filter paper, and a fixing strip is arranged on one side, corresponding to the air outlet, of the filter paper.
2. The cleanable filter according to claim 1, wherein: the microporous membrane is prepared from a waterproof PTFE material.
3. The cleanable filter according to claim 1, wherein: the air outlet is provided with a face protection net which is fixed on the outer frame.
4. The cleanable filter according to claim 1, wherein: the filter paper is pleated, and the fixing strips are arranged along the extending direction of the pleats of the filter paper.
5. The cleanable filter according to claim 1, wherein: the outer frame is provided with an opening and closing edge and a fixing edge which are opposite, the opening and closing edge is detachably connected with the fixing edge, and the inner side of the fixing edge is provided with a guide groove.
6. The cleanable filter according to claim 5, wherein: the fixed edge is U-shaped, the one end on limit that opens and shuts with being the U-shaped one end portion on fixed edge is articulated, the other end on limit that opens and shuts with another end portion on fixed edge passes through connecting piece detachably and connects.
7. The cleanable filter according to claim 5, wherein: the filter element further comprises an inner frame, the filter paper is arranged inside the inner frame, and the inner frame is embedded into the guide groove.
8. The cleanable filter according to claim 7, wherein: and a sealant is arranged at the joint of the inner frame and the filter paper.
9. The cleanable filter according to claim 1, wherein: be equipped with the crease on the filter paper, the crease interval sets up.
10. The cleanable filter according to claim 1, wherein: the fixing strip is hot melt adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920373270.5U CN209952472U (en) | 2019-03-22 | 2019-03-22 | Cleanable filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920373270.5U CN209952472U (en) | 2019-03-22 | 2019-03-22 | Cleanable filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209952472U true CN209952472U (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920373270.5U Active CN209952472U (en) | 2019-03-22 | 2019-03-22 | Cleanable filter |
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| CN (1) | CN209952472U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110026030A (en) * | 2019-03-22 | 2019-07-19 | 美埃（中国）环境净化有限公司 | A kind of cleanable filter |
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2019
- 2019-03-22 CN CN201920373270.5U patent/CN209952472U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110026030A (en) * | 2019-03-22 | 2019-07-19 | 美埃（中国）环境净化有限公司 | A kind of cleanable filter |
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Address after: 210 000 Lanxia Road 101, Ziling Street, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Meier (China) Environmental Technology Co., Ltd Address before: 210 000 Lanxia Road 101, Ziling Street, Jiangning District, Nanjing City, Jiangsu Province Patentee before: MAYAIR TECHNOLOGY (CHINA) Co.,Ltd. |