Cleanable filter element
By designing a detachable filter element structure, the problem of incomplete cleaning of rust and dust during filter element cleaning is solved, enabling independent cleaning and flexible combination of filter elements to meet the needs of different air purifiers.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XINXIANG FILTERS CO LTD
- Filing Date
- 2025-07-10
- Publication Date
- 2026-04-17
AI Technical Summary
Existing filter elements are prone to rust during cleaning, and dust in the interfaces and gaps is difficult to clean. They can only be cleaned as a whole, which cannot meet flexible cleaning needs.
Design a detachable filter element structure. The filter element body is detachable through a mounting cover, a fixing ring, and a fixing post. The filter element body consists of an inner filter element and an outer filter element. It adopts a soft hollow structure and is detachable through the connecting groove of the metal ring and the positioning ring, supporting the increase or decrease of the number of filter elements.
It enables independent cleaning of the filter element, enhances the cleaning effect, and adapts to the filter element requirements of different air purifiers, thus improving its applicability.
Smart Images

Figure CN224126869U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of gas purification technology, and in particular relates to a washable filter element. Background Technology
[0002] Gas purification is performed using a gas purifier, which includes a housing, a filter element, and a rotary motor. The filter element is connected to the motor shaft of the rotary motor via a linkage. During operation, the rotary motor drives the filter element to rotate through the linkage. When the filter element rotates, a negative pressure is formed inside it, which draws external gas into the filter element through the through-hole on the housing, allowing this gas to come into contact with the filter element, thereby achieving the effect of filtering the gas through the filter element. The filter element consists of two parts: the filter element body and the mounting frame. The filter element body is fixedly mounted on the mounting frame.
[0003] Chinese patent application CN213855096U discloses a moisture-proof and washable filter element. The filter element includes multiple parallel and spaced electrodes with gaps between them. Each electrode includes a substrate, which is a PET substrate or a semiconductor flame-retardant polymer material substrate. A conductive material is disposed within the substrate.
[0004] The aforementioned moisture-proof and washable filter element uses a PET substrate or a semiconductor flame-retardant polymer material substrate, which has water-resistant properties, providing moisture-proof and washable effects. However, the filter element is inserted into a frame at both ends, and its hollow structure allows cleaning fluid to flow into the filter element's interior through the slots on the frame during washing, leading to internal corrosion. Furthermore, direct rinsing or soaking during cleaning only allows for overall cleaning, which leaves dust at the interface and crevices uncleaned. Therefore, we provide a washable filter element to solve these problems. Utility Model Content
[0005] The purpose of this utility model is to provide a washable filter element. The overall structure is detachable by using a cover, a fixing ring, and a fixing post. After disassembly, it can be cleaned independently. With the freely detachable filter element body, not only can the filter element body be cleaned, but the number of filter elements can also be increased or decreased according to the actual needs of the air purifier. This solves the problems of the aforementioned moisture-proof and washable filter element.
[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:
[0007] This utility model relates to a washable filter element, including a mounting cover; the mounting cover has a mounting groove and is connected to a fixing ring through the mounting groove; the fixing ring also has a filter element body, the filter element body includes a positioning ring on the fixing ring, and an inner filter element and an outer filter element on the inner and outer openings of the positioning ring, the outer filter element being disposed outside the inner filter element; two mounting covers and two fixing rings are provided, and the two mounting covers and two fixing rings are respectively disposed at both ends of the filter element body; fixing posts are also inserted into the mounting cover, fixing ring, and filter element body.
[0008] The present invention is further configured such that a metal block is fixedly embedded on the bottom inner wall of the mounting groove, and mounting screw holes are provided between adjacent metal blocks and on the bottom side wall of the mounting groove.
[0009] The present invention is further configured such that a magnetic block is fixedly embedded on the side wall of the fixing ring corresponding to the metal block, and the magnetic block is attracted and connected to the metal block.
[0010] The present invention is further configured such that a fixing sleeve is fixedly provided on the side wall of the fixing ring corresponding to the mounting screw hole, and the fixing sleeve is arranged vertically opposite to the mounting screw hole. A connecting groove is also provided on the side of the fixing ring facing the filter element body.
[0011] The present invention is further configured such that the fixing ring is threadedly connected to the positioning ring through the connecting groove one, and the positioning ring corresponding to the fixing sleeve one is fixedly provided with the fixing sleeve two.
[0012] The present invention is further configured such that a second connecting groove is provided on the outer wall of the positioning ring, and an elastic metal ring is provided inside both ends of the outer filter element and the inner filter element, so that the outer filter element and the inner filter element are inserted into the second connecting groove of the positioning ring by means of the metal ring.
[0013] The present invention is further configured such that an ear plate is detachably and fixedly installed at one end of the fixing column, and screw grooves are provided at equal intervals on the outer wall of the fixing column.
[0014] The present invention is further configured such that the fixing post is provided in a one-to-one correspondence with the mounting screw hole, the fixing sleeve one and the fixing sleeve two, and the fixing post is threadedly connected to the mounting screw hole, the fixing sleeve one and the fixing sleeve two through a screw groove.
[0015] This utility model has the following beneficial effects:
[0016] This utility model features an installation cover, a fixing ring, a filter element body, and a fixing post. The filter element body has fixing rings at both ends, and an installation cover at the outer end of the fixing ring. The installation cover seals the gap between the filter element bodies. The filter element body is also supported by the fixing post, and the filter element body is fixed to the fixing rings and the fixing rings to the installation cover. This achieves a detachable overall structure, allowing for independent cleaning after disassembly.
[0017] This utility model features a filter element body composed of three parts: an outer filter element, an inner filter element, and a positioning ring. The two ends of the outer and inner filter elements are fixed to the positioning ring, and the positioning ring also contains a fixing sleeve for threaded connection with a fixing post. Multiple filter element bodies are provided, with their ends connected. Both the outer and inner filter elements are composed of a relatively flexible hollow filter screen structure. Both ends of the outer and inner filter elements have elastic metal rings inside, which can be used to snap the outer and inner filter elements into the connecting grooves of the positioning ring. This achieves detachability of the filter element body and the detachability between filter element bodies, facilitating cleaning. Furthermore, depending on the gas purifier, the number of filter element bodies can be increased or decreased according to the required filter element specifications, further improving its applicability. Attached Figure Description
[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0019] Figure 1 This is a schematic diagram of the structure of a washable filter element.
[0020] Figure 2 This is a cross-sectional view of the structure of a washable filter element.
[0021] Figure 3 This is a structural disassembly diagram of a washable filter element.
[0022] Figure 4 This is a structural disassembly diagram of the filter element body.
[0023] The attached diagram lists the components represented by each number as follows:
[0024] 1-Mounting cover, 101-Mounting groove, 101a-Metal block, 102-Mounting screw hole, 2-Fixing ring, 201-Magnetic block, 202-Fixing sleeve one, 203-Connecting groove one, 3-Filter element body, 301-Outer filter element, 302-Inner filter element, 303-Positioning ring, 303a-Connecting groove two, 303b-Fixing sleeve two, 4-Fixing post, 401-Ear plate, 402-Screw groove. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model. Example 1
[0026] Please see Figure 1-3 This utility model is a washable filter element, including a mounting cover 1, a fixing ring 2 and a fixing post 4. The mounting cover 1, fixing ring 2 and fixing post 4 achieve the effect of detachable overall structure, and can be cleaned independently after disassembly.
[0027] Specifically, the mounting cover 1 has a mounting groove 101 for storing the fixing ring 2. A metal block 101a is fixedly embedded in the bottom inner wall of the mounting groove 101, and a magnetic block 201 is fixedly embedded in the side of the fixing ring 2 facing the mounting cover 1. The magnetic block 201 is attracted to the metal block 101a. There are two mounting covers 1 and two fixing rings 2 respectively, and the two mounting covers 1 and the two fixing rings 2 are respectively located on the upper and lower sides of the filter body 3.
[0028] Furthermore, the mounting cover 1 has a mounting screw hole 102, and a fixing sleeve 202 is fixedly installed in the side wall of the fixing ring 2. The fixing sleeve 202 and the mounting screw hole 102 are arranged vertically and vertically respectively. The fixing sleeve 202 and the mounting screw hole 102 are threadedly connected to the screw groove 402 of the fixing post 4. The top of the fixing post 4 can also be detachably and fixedly installed with an ear plate 401. Example 2
[0029] Please see Figure 4 Based on Example 1, a filter element body 3 is also provided. With the filter element body 3 being freely detachable, not only can the filter element body 3 be cleaned, but the number of filter element bodies 3 can also be increased or decreased according to the actual needs of the purifier.
[0030] Specifically, the fixing ring 2 has a connecting groove 203, and the filter element body 3 includes a positioning ring 303 fixedly installed in the connecting groove 203. An outer filter element 301 and an inner filter element 302 are respectively provided on the outer and inner sides of the positioning ring 303.
[0031] Furthermore, multiple filter element bodies 3 are provided, and the multiple filter element bodies 3 are detachably and fixedly connected. The positioning rings 303 corresponding to the outer filter element 301 and the inner filter element 302 are provided with connecting grooves 303a. Both ends of the outer filter element 301 and the inner filter element 302 are provided with elastic metal rings. The outer filter element 301 and the inner filter element 302 can be inserted into the connecting grooves 303a of the positioning rings 303 through the metal rings, thereby realizing the assembly between the outer filter element 301 and the inner filter element 302 and the positioning rings 303. The positioning rings 303 also have a fixing sleeve 303b bonded to them, and the fixing sleeve 303b is threadedly connected to the screw grooves 402 of the fixing post 4.
[0032] The operation process of this embodiment is as follows: In use, the mounting cover 1 is fixedly installed on the rotating shaft of the air purifier. Then, the magnetic block 201 on the fixing ring 2 is aligned with the metal block 101a on the mounting cover 1 and pushed into it. At the same time, it is also necessary to ensure that the fixing sleeve 202 on the fixing ring 2 is aligned with the mounting screw hole 102, thus realizing the assembly between the fixing ring 2 and the mounting cover 1. Then, the positioning ring 303 located at the bottom on the filter body 3 is aligned with the connecting groove 203 on the fixing ring 2 and rotated and locked into it. Then, the inner filter 302 is taken out and the metal ring below it is pressed to make it... Insert the outer filter element 301 into the connecting groove 303a of the positioning ring 303. The outer filter element 301 is also assembled in the same way. The outer filter element 301 and the inner filter element 302 are then assembled onto the positioning ring 303. This completes the assembly of the remaining filter element body 3. After that, hold the ear plate 401 and rotate the fixing post 4 into the mounting screw hole 101 on the mounting cover 1 at the top of the filter element body 3 until the end of the fixing post 4 is locked into the mounting cover 1 below the filter element body 3. While locking the fixing post 4, it is also necessary to support the filter element body 3 to ensure that the filter element body 3 is in an expanded state.
[0033] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0034] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A cleanable filter cartridge comprising a mounting cap (1); characterized in that: The mounting cover (1) is provided with a mounting groove (101), and the mounting cover (1) is connected to the fixing ring (2) through the mounting groove (101). The fixing ring (2) is also provided with a filter element body (3). The filter element body (3) includes a positioning ring (303) provided on the fixing ring (2), and an inner filter element (302) and an outer filter element (301) on the inner and outer rings of the positioning ring (303). The outer filter element (301) is provided on the outside of the inner filter element (302). There are two mounting covers (1) and two fixing rings (2), and the two mounting covers (1) and the two fixing rings (2) are respectively located at both ends of the filter element body (3). Fixing posts (4) are also inserted in the mounting cover (1), the fixing ring (2) and the filter element body (3).
2. A cleanable filter cartridge according to claim 1 wherein, A metal block (101a) is fixedly embedded on the bottom inner wall of the mounting groove (101), and mounting screw holes (102) are provided between adjacent metal blocks (101a) and on the bottom side wall of the mounting groove (101).
3. A cleanable filter cartridge according to claim 2 wherein, A magnetic block (201) is fixedly embedded on the side wall of the fixing ring (2) corresponding to the metal block (101a), and the magnetic block (201) is attracted to the metal block (101a).
4. A cleanable filter cartridge according to claim 2 wherein, A fixing sleeve (202) is fixedly installed on the side wall of the fixing ring (2) corresponding to the mounting screw hole (102), and the fixing sleeve (202) and the mounting screw hole (102) are arranged vertically opposite each other. A connecting groove (203) is also provided on the side of the fixing ring (2) facing the filter body (3).
5. A cleanable filter cartridge according to claim 4 wherein, The fixing ring (2) is threadedly connected to the positioning ring (303) through the connecting groove (203), and the positioning ring (303) corresponding to the fixing sleeve (202) is fixedly provided with the fixing sleeve (203b).
6. The cleanable filter cartridge of claim 1 wherein, The outer wall of the positioning ring (303) is also provided with a connecting groove (303a). Both ends of the outer filter element (301) and the inner filter element (302) are provided with elastic metal rings, which are used to insert the outer filter element (301) and the inner filter element (302) into the connecting groove (303a) of the positioning ring (303).
7. The cleanable filter element of claim 1 wherein, One end of the fixed column (4) is detachably fixed with an ear plate (401), and the outer wall of the fixed column (4) is also provided with screw grooves (402) at equal intervals.
8. A cleanable filter cartridge according to claim 5 wherein, The fixing post (4) is provided in a one-to-one correspondence with the mounting screw hole (102), fixing sleeve one (202) and fixing sleeve two (303b), and the fixing post (4) is threadedly connected to the mounting screw hole (102), fixing sleeve one (202) and fixing sleeve two (303b) through the screw groove (402).
Citation Information
Patent Citations
Moisture-proof cleanable filter element
CN213855096U