CN213725474U - Dense pleat type high-efficiency filter - Google Patents
Dense pleat type high-efficiency filter Download PDFInfo
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- CN213725474U CN213725474U CN202021899210.6U CN202021899210U CN213725474U CN 213725474 U CN213725474 U CN 213725474U CN 202021899210 U CN202021899210 U CN 202021899210U CN 213725474 U CN213725474 U CN 213725474U
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Abstract
The utility model belongs to the technical field of filters, in particular to a dense pleat type high-efficiency filter, which comprises a filter element, a peripheral frame and a primary filter assembly, wherein the peripheral frame comprises an outer side plate and a filter frame, an air inlet is arranged between each filter frame, the filter frame comprises a bottom plate, a top plate, an outer protecting net, a middle spacing frame and an inner protecting net, the filter element comprises a front primary filter element and a rear high-efficiency filter element, the front primary filter element is fixed between the inner protecting net and the middle spacing frame, the rear high-efficiency filter element is fixed between the outer protecting net and the middle spacing frame, and the primary filter assembly is fixed on the bottom surface of the bottom plate; gas lets in from the air intake, when flowing through the filter core, firstly filters through leading just imitating the filter core and just imitates, then carries out high efficiency filter through rearmounted high efficiency filter core, and during just straining, great solid-state granule is attached to the surface of leading just imitating the filter core, and the gas after leading just imitating the filter core filtration can obtain secondary filter's secondary filter core once more for the filter effect of filter is showing and is improving.
Description
Technical Field
The utility model belongs to the technical field of the filter, especially, relate to a dense pleat formula high efficiency filter.
Background
The dense-pleat filter is one kind of air filter, and its filtering principle is adsorption method, so that it has compact structure, saving space, large effective filtering area, low resistance, long service life and good stability, and is generally used in central air conditioner or central ventilation system.
The dense-pleated high-efficiency filter is mainly made by fixing a plurality of filter elements without partition plates in a peripheral frame formed by connecting a plurality of V-shaped frames, the filter elements used in the existing dense-pleated high-efficiency filter are high-efficiency filter elements, the filter elements are easily polluted by larger solid particles after long-time filtration and need to be replaced immediately, but the use cost of the filter is higher due to the higher price of the high-efficiency filter elements. In addition, the existing dense-pleated filter needs manual operation when being taken off and installed from the purification system, but because the space of the purification system is compact, the installation efficiency of the existing dense-pleated filter is not high, and the frame of the filter is easy to be damaged when being installed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dense pleat formula high efficiency filter, the filter core that aims at solving the dense pleat formula high efficiency filter among the prior art receives the pollution easily, changes frequently, and then leads to the higher technical problem of use cost of filter.
In order to achieve the above object, an embodiment of the present invention provides a dense-pleated high efficiency filter, which comprises a filter element and a peripheral frame, wherein the peripheral frame comprises two outer side plates disposed opposite to each other and a plurality of filter frames connected in sequence and disposed at an included angle, an air inlet is disposed between the filter frames, the filter frames comprise a bottom plate, a top plate, an outer screen, a middle spacer and an inner screen, the two outer side plates are respectively fixed at two ends of the bottom plate and the top plate, the inner screen, the middle spacer and the outer screen are sequentially fixed between the bottom plate and the top plate, the inner screen is located at a side close to the air inlet, the filter element comprises a front primary filter element and a rear high efficiency filter element, the front primary filter element is fixed between the inner screen and the middle spacer, the rear high efficiency filter element is fixed between the outer screen and the middle spacer, the dense-pleat-type efficient filter further comprises a primary filter assembly, and the primary filter assembly is fixed on the top surface of the top plate.
Optionally, the peripheral frame further includes a fixing frame, and the fixing frame encloses the top plate and is fixedly connected with the top plate.
Optionally, the primary filter assembly comprises a filter frame and an activated carbon filter element fixed in the filter frame, and the filter frame is fixed on the top surface of the top plate and located in the fixing frame.
Optionally, the primary filter assembly further comprises two non-woven fabrics, wherein the two non-woven fabrics are respectively positioned on two sides of the activated carbon filter element and fixed on the filter frame.
Optionally, a side surface of the fixing frame is provided with a mounting groove, and the mounting groove is located on one side of the outer side plate.
Optionally, a reinforcing plate is arranged inside the mounting groove, and the reinforcing plate is vertically fixed on the inner wall of the mounting groove.
Optionally, the thickness of the fixing frame is between 20mm and 25 mm.
Optionally, the length of the fixing frame on the side close to the outer protecting net is between 280 mm.
Optionally, the length of the fixing frame close to one side of the outer side plate is 255-555 mm.
The embodiment of the utility model provides an above-mentioned one or more technical scheme in the close pleat formula high efficiency filter have one of following technological effect at least: the filter frames are arranged at an included angle to form a V-shaped structure between the filter frames so as to increase the filtering area of the filter, an air inlet is arranged between the filter frames, air is introduced from the air inlet and is filtered by the filter element and then discharged, the filter frames comprise a bottom plate, a top plate, an outer protecting net, a middle spacing frame and an inner protecting net, a preposed primary-effect filter element is fixed between the inner protecting net and the middle spacing frame, a postposed high-efficiency filter element is fixed between the outer protecting net and the middle spacing frame, the middle spacing frame can separate the preposed primary-effect filter element and the postposed high-efficiency filter element, the preposed primary-effect filter element and the postposed high-efficiency filter element can be respectively protected by the inner protecting net and the outer protecting net, when air flows through the filter, the primary-effect filter element can firstly pass through the primary-effect filter element, then the air flows to the filter element after being filtered by the preposed primary-effect filter element, and then the postposed high-efficiency filter element can carry out high-efficiency filtration, when just imitating and filtering, great solid-state particle is filtered and is attached to just imitating the surface of filter assembly and leading just imitating the filter core, and only little part of the less solid-state particle of volume gets into rearmounted high-efficient filter core, consequently can effectually reduce the pollution that the filter core caused rearmounted high-efficient filter core when filtering for close pleat formula high efficiency filter's use cost reduces, simultaneously, makes the filter effect of filter show the improvement.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a close-pleated high-efficiency filter according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a secondary filter element with a hidden structure of a dense-pleated high-efficiency filter provided by an embodiment of the present invention.
Fig. 3 is a cross-sectional view of a filter frame of a close-pleated high efficiency filter according to an embodiment of the present invention.
Fig. 4 is a cross-sectional view of a primary filter assembly of a dense-pleated high efficiency filter according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
10-filter element 11-front primary-effect filter element 12-rear high-efficiency filter element
20-peripheral frame 21-outer panel 22-filter frame
23-fixed frame 24-air inlet 30-primary filter assembly
31-filtering frame 32-active carbon filter element 33-non-woven fabric
221-bottom plate 222-top plate 223-outer protecting net
224-middle partition frame 225-inner protecting net 231-mounting groove
232-reinforcing plate 421-axial spacing groove 422-circumferential spacing groove.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.
In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more than two unless specifically defined otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any combination of two elements. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
In an embodiment of the present invention, as shown in fig. 1 to 4, there is provided a dense-pleated high efficiency filter, including a filter element 10 and a peripheral frame 20, the peripheral frame 20 includes two outer panels 21 disposed oppositely and a plurality of filter frames 22 disposed in sequence and forming an included angle, an air inlet 24 is disposed between each of the filter frames 22, the filter frames 22 includes a bottom panel 221, a top panel 222, an outer screen 223, a middle partition frame 224 and an inner screen 225, the two outer panels 21 are respectively fixed at two ends of the bottom panel 221 and the top panel 222, the inner screen 225, the middle partition frame 224 and the outer screen 223 are sequentially fixed between the bottom panel 221 and the top panel 222, the inner screen 225 is located at a side close to the air inlet 24, the filter element 10 includes a front primary filter element 11 and a rear high efficiency filter element 12, the front primary filter element 11 is fixed between the inner screen 225 and the middle partition frame 224, the rear high efficiency filter element 12 is fixed between the outer protecting net 223 and the middle partition frame 224, the dense-pleated high efficiency filter further comprises a primary filter assembly 30, and the primary filter assembly 30 is fixed on the top surface of the top plate 222.
Specifically, the filter frames 22 are arranged at an included angle to form a V-shaped structure between the filter frames 22, so as to increase the filtering area of the filter, the air inlet 24 is arranged between the filter frames 22, the air is introduced from the air inlet 24 and is filtered by the filter element 10 and then discharged, the filter frame 22 includes a bottom plate 221, a top plate 222, an outer screen 223, an intermediate frame 224 and an inner screen 225, the front primary filter element 11 is fixed between the inner screen 225 and the intermediate frame 224, the rear high-efficiency filter element 12 is fixed between the outer screen 223 and the intermediate frame 224, the intermediate frame 224 can separate the front primary filter element 11 and the rear high-efficiency filter element 12, the inner screen 225 and the outer screen 223 can respectively protect the front primary filter element 11 and the rear high-efficiency filter element 12, when the air flow passes through the filter, the air flow can firstly pass through the primary filter element 30 to perform primary filtering, and then flow to the filter element 10, and carry out the primary efficiency through leading primary efficiency filter core 11 and filter for the second time, then carry out the high efficiency through rearmounted high efficiency filter core 12 and filter, because during the primary efficiency was filtered, great solid-state particle has been filtered and has been attached to the surface of leading primary efficiency filter core 11, only a small part of less solid-state particle of volume gets into rearmounted high efficiency filter core 12, consequently can the effectual pollution that causes rearmounted high efficiency filter core 12 when reducing filter core 10 and filtering for the use cost of close pleat formula high efficiency filter reduces.
In this embodiment, further, the fixed connection between each bottom plate 221 and each top plate 222 and the included angle between each outer side plate 21 are set; to achieve fixation between the respective filter frames 22 and V-shaped configuration of the peripheral frame 20.
In this embodiment, the rear high-efficiency filter element 12 is made of high-efficiency glass fiber paper, and the front primary filter element 11 is made of primary glass fiber paper.
In another embodiment of the present invention, as shown in fig. 1-2, the peripheral frame 20 further includes a fixing frame 23, and the fixing frame 23 encloses the top plate 222 and is fixedly connected to the top plate 222. In particular, the fixing frame 23 may stabilize the top plate 222 and facilitate the installation of the filter.
In this embodiment, further, the height of the densely-pleated high-efficiency filter is 292 mm.
In another embodiment of the present invention, as shown in fig. 1 and 4, the primary filter assembly 30 includes a filter frame 31 and an activated carbon filter element 32 fixed in the filter frame 31, wherein the filter frame 31 is fixed on the top surface of the top plate 222 and is located in the fixing frame 23. Specifically, filter frame 31 on the one hand can realize the firm of each roof 222, and on the other hand is convenient for the fixed of active carbon filter 32, and the air can carry out prefilter through active carbon filter 32, then passes through the leading further filtration of just imitating filter core 11 and rearmounted high-efficient filter core 12 again to promote the filter effect of filter and alleviate the pollution of rearmounted high-efficient filter core 12.
In another embodiment of the present invention, the primary filter assembly 30 further comprises two non-woven fabrics 33, two of the non-woven fabrics 33 are respectively located on two sides of the activated carbon filter element 32 and fixed on the filter frame 31. Specifically, the non-woven fabric 33 can protect the activated carbon filter element 32 while filtering the gas, thereby preventing the activated carbon filter element 32 from being polluted.
In another embodiment of the present invention, a mounting groove 231 is disposed on a side surface of the fixing frame 23, and the mounting groove 231 is located on one side of the outer panel 21.
In this embodiment, the number of the mounting grooves 231 is two.
In particular, the mounting slot 231 may facilitate mounting and securing of the densely pleated filter.
In another embodiment of the present invention, a reinforcing plate 232 is disposed inside the mounting groove 231, and the reinforcing plate 232 is vertically fixed on the inner wall of the mounting groove 231. Specifically, the reinforcing plate 232 can reinforce the strength of the fixing frame, prevent the strength of the fixing frame 21 from being reduced due to the installation of the installation groove 231, and facilitate the installation and stabilization of the dense pleated filter.
In another embodiment of the present invention, the thickness of the fixing frame 23 is 20mm to 25 mm.
In the embodiment, the thickness of the fixing frame 23 is further 22 mm.
In another embodiment of the present invention, the length of the fixing frame 23 near the outer protecting net 225 is between 280 mm.
In this embodiment, further, the length of the fixing frame 23 on the side close to the outer protecting net 225 is 592 mm.
In another embodiment of the present invention, the length of the fixing frame 23 near the outer panel 21 is 255 mm-555 mm.
In this embodiment, further, the length of the fixing frame 23 on the side close to the outer side plate is 592 mm.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides a close pleat formula high efficiency filter, includes filter core and peripheral frame, peripheral frame includes the outer panel and a plurality of filtration frame that connect gradually and be the contained angle setting of two relative settings, each be provided with air intake, its characterized in that between the filtration frame: the filtering frame comprises a bottom plate, a top plate, an outer protecting net, a middle spacing frame and an inner protecting net;
the two outer side plates are respectively fixed at two ends of the bottom plate and the top plate, the inner protection net, the middle spacing frame and the outer protection net are sequentially fixed between the bottom plate and the top plate, the inner protection net is positioned at one side close to the air inlet, the filter element comprises a front primary-effect filter element and a rear high-efficiency filter element, the front primary-effect filter element is fixed between the inner protection net and the middle spacing frame, and the rear high-efficiency filter element is fixed between the outer protection net and the middle spacing frame;
the dense-pleat-type efficient filter further comprises a primary filter assembly, and the primary filter assembly is fixed on the top surface of the top plate.
2. The densely pleated high efficiency filter of claim 1, wherein: the peripheral frame further comprises a fixing frame, and the fixing frame encloses the top plate and is fixedly connected with the top plate.
3. A close-pleated high efficiency filter according to claim 2, wherein: the primary filter assembly comprises a filter frame and an activated carbon filter element fixed in the filter frame, and the filter frame is fixed on the top surface of the top plate and located in the fixed frame.
4. A close-pleated high efficiency filter according to claim 3, wherein: the primary filter assembly further comprises two pieces of non-woven fabrics, and the two pieces of non-woven fabrics are located on two sides of the activated carbon filter element and fixed on the filter frame respectively.
5. A close-pleated high efficiency filter according to claim 2, wherein: the side of the fixed frame is provided with a mounting groove, and the mounting groove is positioned on one side of the outer side plate.
6. The densely pleated high efficiency filter of claim 5, wherein: the inside of mounting groove is provided with the reinforcing plate, the reinforcing plate is vertical to be fixed in on the inner wall of mounting groove.
7. A close-pleated high efficiency filter according to claim 2, wherein: the thickness of the fixing frame is between 20mm and 25 mm.
8. A close-pleated high efficiency filter according to claim 2, wherein: the length of the fixing frame close to one side of the outer protecting net is 280 mm.
9. A close-pleated high efficiency filter according to claim 2, wherein: the length of one side of the fixing frame, which is close to the outer side plate, is 255-555 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021899210.6U CN213725474U (en) | 2020-09-02 | 2020-09-02 | Dense pleat type high-efficiency filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021899210.6U CN213725474U (en) | 2020-09-02 | 2020-09-02 | Dense pleat type high-efficiency filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213725474U true CN213725474U (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021899210.6U Active CN213725474U (en) | 2020-09-02 | 2020-09-02 | Dense pleat type high-efficiency filter |
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| CN (1) | CN213725474U (en) |
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- 2020-09-02 CN CN202021899210.6U patent/CN213725474U/en active Active
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