Detachable filter element assembly of reverse osmosis device

By adopting a separate structure design for the filter element assembly and the disassembly assembly, the problems of cumbersome disassembly and safety hazards of traditional reverse osmosis devices are solved. This enables quick disassembly and assembly of the filter element and stable filtration, reducing maintenance costs and extending service life.

CN224252543UActive Publication Date: 2026-05-19CEEC ANHUI ELECTRICAL POWER CONSTR NO 1 CO
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CEEC ANHUI ELECTRICAL POWER CONSTR NO 1 CO
Filing Date
2025-04-22
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

The fixed installation method of traditional reverse osmosis filter cartridges makes disassembly cumbersome, time-consuming and costly, and poses safety hazards. It also makes it impossible to flexibly replace damaged parts, affecting usage costs and wasting resources.

Method used

The filter element assembly and disassembly assembly are designed as separate units. The filter element is quickly disassembled and assembled by the integrated fixing of the first fixing component, the second fixing component and the support rod, combined with the screw-screw hole connection mechanism. The positioning component and the limiting groove in the filter pipe are matched to ensure precise fixing.

Benefits of technology

It enables quick installation and removal of filter elements, reduces maintenance time and labor costs, ensures filtration stability, prevents seal failure, and extends component lifespan.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a detachable filter element assembly of a reverse osmosis device, and relates to the technical field of water treatment and reverse osmosis, the detachable filter element assembly comprises a filter element assembly and a detaching assembly, the filter element assembly is mounted in a filter pipeline, and the filter element assembly filters fluid in the filter pipeline; according to the filter element assembly, the disassembly assembly and the filter pipeline are installed in a matched mode, when the disassembly assembly and the filter element assembly are assembled, the disassembly assembly drives the filter element assembly to be disassembled from the filter pipeline, and through the split type structural design of the filter element assembly and the disassembly assembly, rapid disassembly and assembly of the filter element are achieved.
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Description

Technical Field

[0001] This application relates to the field of reverse osmosis technology in water treatment, and in particular to a removable filter element assembly for a reverse osmosis device. Background Technology

[0002] In reverse osmosis water treatment technology, the filter element, as a core component, plays a crucial role in removing impurities from water and improving water quality. With the increasing demands of industrial production and daily life, the application range of reverse osmosis devices is also expanding, from domestic water treatment to large-scale industrial water treatment systems. The reliability and maintainability of the filter element have become key indicators for evaluating the performance of reverse osmosis devices.

[0003] Traditional reverse osmosis systems typically use fixed-installation filter cartridges, meaning that once installed, they require complex steps and tools to remove and replace. This fixed installation method presents several inconveniences:

[0004] First, the disassembly process is cumbersome and time-consuming. Since the filter element is usually tightly fixed inside the device, disassembly requires special tools and may even require partial disassembly of the device. This not only increases maintenance costs but may also damage other components of the device.

[0005] Secondly, the fixed installation method limits the flexibility and replaceability of the filter element. Once the filter element is damaged or reaches the end of its service life, the entire element needs to be replaced, rather than just the damaged part. This increases the cost of use and wastes resources.

[0006] Furthermore, there are safety hazards during the disassembly process of traditional filter cartridges. Due to the complexity of the disassembly process, even slight carelessness by the operator can lead to safety accidents such as cuts or electric shocks.

[0007] To address these issues, some designs for detachable filter cartridges have emerged in the market. However, these designs often suffer from complex structures, inconvenient installation, and unstable connections. For example, some designs use too many connecting parts, increasing the difficulty of disassembly and installation; others, due to loose or damaged connecting parts, cause leakage during the filtration process, affecting the filtration effect. Utility Model Content

[0008] To address the problems existing in the prior art, this utility model provides a detachable filter element assembly for a reverse osmosis device, comprising:

[0009] A filter element assembly is installed inside a filter pipe, and the filter element assembly filters the fluid inside the filter pipe;

[0010] The disassembly assembly is installed in conjunction with the filter pipe. When the disassembly assembly is assembled with the filter element assembly, the disassembly assembly removes the filter element assembly from the filter pipe.

[0011] Optionally, in some embodiments of this application, the filter assembly includes:

[0012] A first fixing member and a second fixing member are provided, and a filter element is disposed between the first fixing member and the second fixing member. The filter element is limited by the first fixing member and the second fixing member.

[0013] A support rod is positioned between the first fixing member and the second fixing member, with its two ends connected to the first fixing member and the second fixing member, respectively, and the filter element is sleeved on the support rod.

[0014] Optionally, in some embodiments of this application, the first fixing member and the second fixing member are configured as circular structures, the outer diameters of the first fixing member and the second fixing member are equal, and the outer diameters of the first fixing member and the second fixing member are equal to the inner diameter of the filter pipe.

[0015] Optionally, in some embodiments of this application, the first fixing member and the second fixing member are provided with positioning members, and the filter pipe is provided with a positioning part corresponding to the position of the positioning member. When the positioning member cooperates with the positioning part, the filter element assembly is limited in the filter pipe.

[0016] Optionally, in some embodiments of this application, the positioning part is configured as a limiting groove, the limiting groove is provided along the extension direction of the filter pipe, and the cross-sectional shape of the limiting groove corresponds to the cross-sectional shape of the positioning member, so that the positioning member is limited in the limiting groove.

[0017] Optionally, in some embodiments of this application, a connector is provided on the side of the first fixing member and / or the second fixing member away from the support rod. The connector connects to the disassembly assembly, so that the disassembly assembly is connected to the filter element assembly through the connector, and the disassembly assembly disassembles the filter element assembly inside the filter pipe.

[0018] Optionally, in some embodiments of this application, the disassembly assembly includes:

[0019] A kit is fitted over the filter pipe, and a movable groove is provided at the end of the kit away from the filter pipe.

[0020] A disassembly plate is disposed within the moving groove. The disassembly plate moves linearly within the moving groove. An installation component is disposed on the disassembly plate at a position corresponding to the connecting component. The installation component is connected to the connecting component, thereby connecting the disassembly plate to the filter element assembly. The disassembly plate drives the filter element assembly to move.

[0021] Optionally, in some embodiments of this application, the outer diameter of the filter element assembly is less than or equal to the inner diameter of the moving groove.

[0022] Optionally, in some embodiments of this application, a rotating shaft is provided through the disassembly plate, the rotating shaft is rotatably connected to the disassembly plate, and a rotating hole is provided on the first fixing member or the second fixing member corresponding to the position of the rotating shaft. The rotating shaft is rotatably connected to the rotating hole, so that the disassembly plate is set corresponding to the position of the first fixing member or the second fixing member.

[0023] Optionally, in some embodiments of this application, a support member is sleeved on the rotating shaft, and a mounting hole is provided on the support member corresponding to the position of the mounting member, through which the mounting member is limited.

[0024] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0025] 1. The separate structure design of the filter element assembly and the disassembly assembly enables quick assembly and disassembly of the filter element. The filter element assembly is fixed by the integrated fastener, the second fastener and the support rod. With the screw-screw hole connection mechanism of the disassembly assembly, the filter element can be removed in a directional manner without damaging the filter pipeline, which significantly reduces maintenance time and labor costs.

[0026] 2. The structure of the positioning parts (screw holes) and the limiting groove inside the filter pipe is adopted to ensure that the axial and radial positions of the filter element assembly are accurately fixed during installation. The four positioning parts distributed in a ring form a multi-point constraint, which effectively prevents the filter element from shifting or rotating under the impact of high pressure fluid, ensuring filtration stability and preventing sealing failure caused by misalignment.

[0027] 3. The disassembly assembly uses a four-screw-screw hole synchronous locking design to evenly distribute the pulling force to multiple connection points, avoiding single-point overload. Combined with the rigid connection between the internal thread of the operating rod rotating shaft and the filter element assembly, it can achieve long-stroke stable traction in deep pipeline scenarios, reduce the risk of connector breakage, and extend the service life of the assembly. Attached Figure Description

[0028] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0029] Figure 1 This is a schematic diagram of the overall structure of the detachable filter element assembly of the reverse osmosis device provided in the embodiments of this application;

[0030] Figure 2 for Figure 1 Enlarged structural diagram of area A

[0031] Figure 3 This is a schematic diagram of the overall side cross-sectional structure of the filter element assembly provided in the embodiments of this application;

[0032] Figure 4 This is a schematic diagram of the structure of the filter pipe provided in an embodiment of this application;

[0033] Figure 5 A side cross-sectional view of the removable filter element assembly of the reverse osmosis device provided in the embodiments of this application;

[0034] Figure 6 for Figure 5 A magnified structural diagram of area B in the middle.

[0035] Explanation of reference numerals in the attached figures:

[0036] 100, Filter element assembly; 110, First fixing member; 120, Second fixing member; 130, Support rod; 140, Filter element; 150, Positioning member; 160, Connecting member; 170, Rotating hole; 200, Disassembly assembly; 210, Kit; 211, Moving groove; 212, Fixing ring; 220, Disassembly plate; 221, Mounting member; 222, Rotating shaft; 230, Support member; 231, Mounting hole; 240, Operating lever; 300, Filter pipe; 310, Positioning part; 311, Limiting groove. Detailed Implementation

[0037] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this application. It is understood that the accompanying drawings are provided for reference and illustration only, and are not intended to limit this application. The connection relationships shown in the accompanying drawings are only for clear description and do not limit the connection method.

[0038] Specifically, such as Figure 1 As shown in the figure, this application embodiment provides a removable filter element assembly for a reverse osmosis device. The assembly mainly consists of a filter element assembly 100 and a removable assembly 200. The filter element assembly 100 is mainly installed inside the filter pipe 300, so that the filter element assembly 100 performs filtration within the filter pipe 300. Through a specific structure on the filter element assembly 100, it cooperates with the removable assembly 200, so that the removable assembly 200 can remove the filter element assembly 100 from the filter pipe 300, which facilitates the subsequent processing of the filter element assembly 100.

[0039] Specifically, the filter element assembly 100 mainly includes a first fixing member 110, a second fixing member 120, and a support rod 130, such as... Figure 3 As shown, the first fixing member 110 and the second fixing member 120 are both connected to the two ends of the support rod 130. A filter element 140 is provided between the first fixing member 110 and the second fixing member 120. The filter element 140 is sleeved on the outside of the support rod 130, so that the first fixing member 110 and the second fixing member 120 fix and limit the filter element 140, making it convenient for the filter element 140 to be put into the filter pipe 300.

[0040] In this embodiment, both the first fixing member 110 and the second fixing member 120 are circular structures, and the outer diameters of the first fixing member 110 and the second fixing member 120 are equal. The outer diameters of the first fixing member 110 and the second fixing member 120 are equal to the inner diameter of the filter pipe 300, so that the filter element assembly 100 can be installed in the filter pipe 300, which facilitates the filtration of fluid.

[0041] In order to achieve the filtration effect, multiple filter holes are provided on the first fixing member 110 and the second fixing member 120. The fluid in the filtration channel enters the filter element 140 through the filter holes to achieve the filtration effect.

[0042] In this embodiment of the application, a positioning element 150 and a positioning part 310 are also provided, such as Figure 3-4 As shown, the positioning element 150 is disposed on the outer side of the first fixing element 110 and the second fixing element 120. Four positioning elements 150 are disposed on the first fixing element 110, and correspondingly, four positioning elements 150 are disposed on the second fixing element 120. The positioning elements 150 on the first fixing element 110 and the positioning elements 150 on the second fixing element 120 are disposed in corresponding positions. A positioning part 310 is disposed in the filter pipe 300 at the position corresponding to the positioning element 150. In this embodiment, the positioning part 310 is configured as a limiting groove 311. The shape of the cross-section of the limiting groove 311 corresponds to the shape of the positioning element 150, so that the positioning element 150 can be limited into the limiting groove 311.

[0043] In this embodiment, a plurality of 160s and connectors are provided on the side of the first fixing member 110 and the second fixing member 120 away from the filter element 140. The plurality of 160s and connectors are arranged in a ring on the first fixing member 110 and the second fixing member 120. In this application, the 160s and connectors are set as screw hole-shaped structures. The disassembly assembly 200 can be connected to the filter element assembly 100 through the screw hole-shaped structure, so as to facilitate the disassembly assembly 200 to disassemble the filter element assembly 100.

[0044] Specifically:

[0045] like Figure 5 , Figure 6 As shown, the disassembly assembly 200 mainly includes a kit 210 and a disassembly plate 220. The kit 210 is fitted over the filter pipe 300. A fixing ring 212 is provided on the side of the kit 210 facing the filter pipe 300. The fixing ring 212 is an annular fixing ring, and the inner diameter of the fixing ring 212 is equal to the outer diameter of the filter pipe 300. This allows the kit 210 to be fitted over the filter pipe 300 through the fixing ring 212, making it convenient for the disassembly assembly 200 to be fixed at one end opening of the filter pipe 300.

[0046] On the kit 210, a movable groove 211 is provided at the end away from the fixing ring 212. That is, the movable groove 211 is located at the end of the kit 210 away from the filter pipe 300. A disassembly plate 220 is provided in the movable groove 211 and moves linearly within the movable groove 211. An installation member 221 is provided on the end of the disassembly plate 220 facing the first fixing member 110 or the second fixing member 120. Correspondingly, a connecting member 160 is provided on the first fixing member 110 or the second fixing member 120 at the position corresponding to the connecting member 160. The installation member 221 is positioned corresponding to the connecting member 160. When the installation member 221 is connected to the connecting member 160, the disassembly plate 220 on the disassembly assembly 200 is connected to the filter element assembly 100, which facilitates the disassembly assembly 200 to disassemble the filter element assembly 100.

[0047] In the above description, the connector 160 is configured as a screw hole, and the mounting part 221 is configured as a screw rod. The screw rod and the screw hole are matched and connected accordingly, so that the connector 160 can be connected to the mounting part 221. In order to increase the connection strength, four connectors 160 are arranged in a ring on the first fixing part 110, and four corresponding mounting parts 221 are also arranged. Each connector 160 and mounting part 221 are connected to each other. Correspondingly, four connectors 160 are arranged in a ring on the second fixing part 120.

[0048] In this embodiment, when the disassembly plate 220 is connected to the filter element assembly 100, the disassembly device needs to pull the filter element assembly 100 out of the filter pipe 300 to facilitate the handling of the filter element assembly 100. To facilitate pulling out, an operating rod 240 is provided at the center of the disassembly plate 220. A rotating shaft 222 is sleeved inside the operating rod 240. The rotating shaft 222 passes through the disassembly plate 220, and one end of the rotating shaft 222 near the first fixing member 110 is connected to the first fixing member 110. Correspondingly, on the first fixing member 110... A rotating hole 170 is provided at the position corresponding to the rotating shaft 222. The rotating shaft 222 and the rotating hole 170 are connected by threads, so that the rotating shaft 222 can be connected to the first fixing member 110. This facilitates the connection between the operating rod 240 and the first fixing member 110. At the same time, the operating rod 240 is connected to the disassembly plate 220, which facilitates the operation rod 240 to drive the filter element assembly 100 to move. In order to facilitate the movement of the filter element assembly 100, in this embodiment, the outer diameter of the filter element assembly 100 is less than or equal to the inner diameter of the moving groove 211.

[0049] In this application, the operating lever 240 can also be connected to the second fixing member 120.

[0050] With the above structure, the filter element assembly 100 located in the filter pipe 300 can be easily disassembled. However, when the filter element assembly 100 is located deep in the filter pipe 300, the length of the connector 160 needs to be extended. To facilitate the fixing of the connector 160, a support 230 is sleeved on the operating rod 240. The support 230 is provided with a mounting hole 231 at the position corresponding to the mounting part 221. The mounting part 221 is limited by the mounting hole 231.

[0051] The above embodiments are only used to illustrate the technical methods of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical methods of this utility model without departing from the spirit and scope of the technical methods of this utility model.

Claims

1. A reverse osmosis device removable cartridge assembly, comprising: include: A filter element assembly is installed inside a filter pipe, and the filter element assembly filters the fluid inside the filter pipe; The disassembly assembly is installed in conjunction with the filter pipe. When the disassembly assembly is assembled with the filter element assembly, the disassembly assembly removes the filter element assembly from the filter pipe.

2. The reverse osmosis device removable cartridge assembly of claim 1, wherein, The filter element assembly includes: A first fixing member and a second fixing member are provided, and a filter element is disposed between the first fixing member and the second fixing member. The filter element is limited by the first fixing member and the second fixing member. A support rod is positioned between the first fixing member and the second fixing member, with its two ends connected to the first fixing member and the second fixing member, respectively, and the filter element is sleeved on the support rod.

3. The reverse osmosis device removable cartridge assembly of claim 2, wherein, The first and second fixing members are circular structures, and the outer diameters of the first and second fixing members are equal, and the outer diameters of the first and second fixing members are equal to the inner diameter of the filter pipe.

4. The reverse osmosis device removable cartridge assembly of claim 2, wherein, The first fixing member and the second fixing member are provided with positioning members, and the filter pipe is provided with a positioning part corresponding to the position of the positioning member. When the positioning member and the positioning part cooperate, the filter element assembly is limited in the filter pipe.

5. The reverse osmosis device removable cartridge assembly of claim 4, wherein, The positioning part is configured as a limiting groove, which is set along the extension direction of the filter pipe. The cross-sectional shape of the limiting groove corresponds to the cross-sectional shape of the positioning member, so that the positioning member is limited in the limiting groove.

6. The reverse osmosis device removable cartridge assembly of claim 2, wherein, A connector is provided on the side of the first fixing member and / or the second fixing member away from the support rod. The connector connects to the disassembly assembly, so that the disassembly assembly is connected to the filter element assembly through the connector, and the disassembly assembly disassembles the filter element assembly inside the filter pipe.

7. A reverse osmosis device removable cartridge assembly according to claim 6, wherein, The disassembly assembly includes: A kit is fitted over the filter pipe, and a movable groove is provided at the end of the kit away from the filter pipe. A disassembly plate is disposed within the moving groove. The disassembly plate moves linearly within the moving groove. An installation component is disposed on the disassembly plate at a position corresponding to the connecting component. The installation component is connected to the connecting component, thereby connecting the disassembly plate to the filter element assembly. The disassembly plate drives the filter element assembly to move.

8. A detachable filter element assembly for a reverse osmosis device according to claim 7, characterized in that, The outer diameter of the filter element assembly is less than or equal to the inner diameter of the moving groove.

9. The reverse osmosis device removable cartridge assembly of claim 7, wherein, A rotating shaft is provided through the disassembly plate and is rotatably connected to the disassembly plate. A rotating hole is provided on the first or second fixing member corresponding to the position of the rotating shaft. The rotating shaft is rotatably connected to the rotating hole, so that the disassembly plate is set to the position corresponding to the first or second fixing member.

10. The reverse osmosis device removable cartridge assembly of claim 9, wherein, A support member is sleeved on the rotating shaft, and a mounting hole is provided on the support member corresponding to the position of the mounting member. The mounting member is limited through the mounting hole.