A filter core structure of a water purifier convenient to disassemble and maintain

By introducing L-shaped slots, positioning grooves, and guide columns into the water purifier filter element structure, the filter element can be easily installed and disassembled, solving the problem of tool-assisted installation and disassembly in the existing technology, and improving the installation and disassembly efficiency and performance of the water purifier filter element.

CN223861450UActive Publication Date: 2026-02-03ANHUI ZHIZE WATER PURIFICATION EQUIP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520412365.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-02-03
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

Existing water purifier filter cartridges require tools to disassemble and assemble, which increases the difficulty of disassembly and assembly, affecting efficiency and performance.

Method used

The design incorporates L-shaped slots, positioning grooves, guide posts, and springs, allowing for convenient installation and removal of the filter element through sliding and rotating operations, eliminating the need for tools.

Benefits of technology

It simplifies the process of disassembling and assembling water purifier filter cartridges, improves disassembly and assembly efficiency, and enhances the effectiveness of filter cartridges.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223861450U_ABST
    Figure CN223861450U_ABST
Patent Text Reader

Abstract

The utility model discloses a water purifier filter core structure convenient to dismount and maintain in the technical field of water purifier filter core, including filter core cylinder, the both sides outer wall of filter core cylinder top all are established with L type draw -in groove, the surface below of L type draw -in groove is established with the locating slot, the inside center position of filter core cylinder is installed with water purifier filter core, the top of filter core cylinder is installed with sleeve, the surface below of sleeve is established with the installation slot, its structure is reasonable, the utility model discloses a guide seat and the positioning head are set up to the both ends of the guide column on the mounting plate, and the spring is sleeved on one side of the outer wall of the guide column, according to the effect that the spring has elastic reaction force, after making the water purifier filter core install in the filter core cylinder, the sleeve is matched with the clamping block and is in sliding mode and is connected in the outer wall one end of the filter core cylinder, then the sleeve ring is pulled down, the guide seat is extruded and moves inward, at this moment, the positioning head on the other end is clamped into the locating slot, thereby reaches to the water purifier filter core installation fixed.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of water purifier filter technology, specifically a water purifier filter structure that is easy to disassemble and maintain. Background Technology

[0002] A water purifier is a water treatment device that performs deep filtration and purification of water according to usage requirements. The water purifiers commonly referred to are generally small filters used in homes. Their core technology lies in the filter membrane within the filter cartridge, primarily based on ultrafiltration and RO reverse osmosis membranes. Water purifiers effectively remove rust, sand, colloids, and adsorb residual chlorine, odors, discoloration, pesticides, and other chemicals from the water. They also effectively remove bacteria, impurities, toxins, and heavy metals. Currently, water purifier filter cartridges require removal, replacement, or cleaning and maintenance after a period of use. To ensure stability after installation, tools are often used for disassembly and assembly of water purifier filter cartridges. Using tools significantly increases the difficulty of disassembling and assembling the filter cartridges, reducing disassembly efficiency and directly affecting their performance.

[0003] Therefore, it is necessary to develop a water purifier filter structure that is easy to disassemble and maintain. Utility Model Content

[0004] The purpose of this invention is to provide a water purifier filter element structure that is easy to disassemble and maintain, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a water purifier filter element structure that is easy to disassemble and maintain, including a filter element cylinder, an L-shaped groove is provided on the upper part of the outer walls on both sides of the filter element cylinder, a positioning groove is provided on the lower part of the surface of the L-shaped groove, a water purifier filter element is installed in the center of the filter element cylinder, a sleeve is installed on the top of the filter element cylinder, and an installation groove is provided on the lower part of the surface of the sleeve;

[0006] An installation plate is installed inside the mounting slot.

[0007] Preferably, the outer wall of the water purifier filter element is slidably connected to the inside of the filter element cylinder, and a fixing ring is installed at the top of the water purifier filter element.

[0008] Preferably, a sealing ring is installed on the upper part of the outer wall of the water purifier filter element, and the inside of the sealing ring is slidably connected to the outer wall of the water purifier filter element.

[0009] Preferably, the inner wall of the sleeve is slidably connected to the upper part of the outer wall of the filter element, and a locking block is provided on the lower part of the inner wall of the sleeve.

[0010] Preferably, the outer wall of the card block is slidably connected to the inner wall of the L-shaped card slot, and a collar is installed below the outer wall of the sleeve.

[0011] Preferably, the inner wall of the collar is slidably connected to the outer wall of the sleeve, and an arc-shaped groove is formed at the center of the inner wall of the collar.

[0012] Preferably, a guide post is slidably connected to the center of the mounting plate, and a guide seat is installed at one end of the guide post.

[0013] Preferably, a positioning head is installed at the other end of the guide post, the outer wall of the positioning head is slidably connected to the inner wall of the positioning groove, and a spring is provided on the outer wall of the guide post.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] By setting guide seats and positioning heads at both ends of the guide posts on the mounting plate, and fitting a spring on one side of the outer wall of the guide post, the water purifier filter element is installed inside the filter cartridge thanks to the elastic reaction force of the spring. The sleeve, along with a locking block, slides onto one end of the outer wall of the filter cartridge. Pulling the collar downwards compresses the guide seat, causing it to move inwards. At this point, the positioning head on the other end engages in the positioning groove, thus securing the water purifier filter element. Similarly, when the water purifier filter element needs to be removed, simply pull the collar upwards. With the spring depressurized, push the guide seat back to its original position until the positioning head disengages from the positioning groove. Then, rotate the sleeve to remove the water purifier filter element from the filter cartridge. No tools are needed for installation and removal; the process only requires three steps: push, rotate, and push downwards. The operation is simple and convenient, facilitating daily disassembly and maintenance of the water purifier filter element. This effectively improves the efficiency of installation and removal and directly enhances the performance of the water purifier filter element. Attached Figure Description

[0016] Figure 1 A front sectional view provided for this utility model;

[0017] Figure 2 A front view provided for this utility model;

[0018] Figure 3 Provided by this utility model Figure 1 Enlarged view of the structure at point A in the image;

[0019] Figure 4 A partial three-dimensional structural schematic diagram of this utility model.

[0020] In the diagram: 1. Filter cartridge; 101. L-shaped groove; 102. Positioning groove; 2. Water purifier filter element; 201. Fixing ring; 202. Sealing ring; 3. Sleeve; 301. Mounting groove; 302. Locking block; 303. Collar ring; 304. Arc groove; 4. Mounting plate; 401. Guide post; 402. Guide seat; 403. Positioning head; 404. Spring. Detailed Implementation

[0021] 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] This utility model provides the following technical solution: a water purifier filter element structure that is easy to disassemble and maintain. Please refer to [link / reference]. Figures 1-4 The system includes a filter cartridge 1, with L-shaped grooves 101 on the upper part of both outer walls of the filter cartridge 1. A positioning groove 102 is formed below the surface of each L-shaped groove 101. A water purifier filter element 2 is installed at the center of the filter cartridge 1. The outer wall of the water purifier filter element 2 is slidably connected to the interior of the filter cartridge 1. A fixing ring 201 is installed at the top of the water purifier filter element 2. A sealing ring 202 is installed on the upper part of the outer wall of the water purifier filter element 2, and the interior of the sealing ring 202 is slidably connected to the outer wall of the water purifier filter element 2. The water purifier filter element 2 is slidably inserted into the center of the filter cartridge 1, and the fixing ring 201 provides limiting. Before installation, the sealing ring 202 needs to be fitted onto the outer wall of the water purifier filter element 2 to ensure a seal after installation. The sleeve 3 is installed at the top of the filter cartridge 1. The sleeve 3 has an installation groove 301 on the lower surface of its surface. The inner wall of the sleeve 3 is slidably connected to the upper part of the outer wall of the filter cartridge 1. The lower part of the inner wall of the sleeve 3 is provided with a locking block 302. The outer wall of the locking block 302 is slidably connected to the inner wall of the L-shaped locking groove 101. The lower part of the outer wall of the sleeve 3 is provided with a collar 303. The inner wall of the collar 303 is slidably connected to the outer wall of the sleeve 3. The center of the inner wall of the collar 303 is provided with an arc groove 304. The locking blocks 302 inside the sleeve 3 are set according to the number of L-shaped locking grooves 101 on the outer wall of the filter cartridge 1. When the sleeve 3 is slidably connected to the filter cartridge 1, it needs to be pushed into the lowest end and then rotated to install and fix the sleeve 3.

[0023] An installation plate 4 is installed inside the installation groove 301. A guide post 401 is slidably connected to the center of the installation plate 4. A guide seat 402 is installed at one end of the guide post 401, and a positioning head 403 is installed at the other end of the guide post 401. The outer wall of the positioning head 403 is slidably connected to the inner wall of the positioning groove 102. A spring 404 is provided on the outer wall of the guide post 401. The guide seat 402 and the positioning head 403 are respectively set at both ends of the guide post 401 on the installation plate 4, and the spring 404 is fitted on one side of the outer wall of the guide post 401. According to the elastic reaction force of the spring 404, after the water purifier filter element 2 is installed in the filter element cylinder 1, the sleeve 3 and the locking block 302 slide to connect with one end of the outer wall of the filter element cylinder 1. Then, the collar 303 is pulled down until the guide seat 402 is squeezed and moves inward. At this time, the positioning head 403 on the other end is locked into the positioning groove 102, thereby achieving the installation and fixation of the water purifier filter element 2.

[0024] Working principle: When using this utility model, the water purifier filter element 2 is slidably inserted into the center of the filter element cylinder 1, and is limited by the fixing ring 201. Before installation, a sealing ring 202 needs to be installed on the outer wall of the water purifier filter element 2 to achieve sealing after installation. By setting the number of locking blocks 302 inside the sleeve 3 according to the number of L-shaped slots 101 on the outer wall of the filter element cylinder 1, the sleeve 3 is slidably connected to the filter element cylinder 1. It needs to be pushed to the lowest end and then rotated to install and fix the sleeve 3. By setting guide seats 402 and positioning heads 403 at both ends of the guide post 401 on the mounting plate 4, and installing a spring 404 on one side of the outer wall of the guide post 401, the elastic reaction force of the spring 404 allows the water purifier filter element 2 to be installed in the filter element cylinder 1 and then fixed by the sleeve 3. The locking block 302 slides onto one end of the outer wall of the filter cartridge 1. Then, the collar 303 is pulled downwards until the guide seat 402 is squeezed and moves inwards. At this time, the positioning head 403 on the other end is locked into the positioning groove 102, thereby fixing the water purifier filter element 2. Similarly, when the water purifier filter element 2 needs to be removed, simply pull the collar 303 upwards. With the spring 404 under no pressure, push the guide seat 402 back to its original position until the positioning head 403 disengages from the positioning groove 102. Then, rotate it away from the sleeve 3 to remove the water purifier filter element 2 from the filter cartridge 1. No tools are needed during the installation and removal of the water purifier filter element 2. The installation and removal only require three steps: push, rotate, and push downwards. The operation is simple and easy to install and remove, making it more convenient for daily disassembly and maintenance of the water purifier filter element. This effectively improves the efficiency of the installation and removal of the water purifier filter element and directly and effectively improves the performance of the water purifier filter element.

[0025] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A water purifier filter element structure that is easy to disassemble and maintain, comprising a filter element cylinder (1), wherein L-shaped slots (101) are provided on the upper part of both outer walls of the filter element cylinder (1), and positioning slots (102) are provided on the lower part of the surface of the L-shaped slots (101), characterized in that: A water purifier filter element (2) is installed at the center of the filter element cylinder (1), and a sleeve (3) is installed at the top of the filter element cylinder (1). An installation groove (301) is provided on the lower surface of the sleeve (3). An installation plate (4) is installed inside the installation slot (301).

2. The water purifier filter element structure for easy disassembly and maintenance according to claim 1, characterized in that: The outer wall of the water purifier filter element (2) is slidably connected to the inside of the filter element cylinder (1), and a fixing ring (201) is installed at the top of the water purifier filter element (2).

3. The water purifier filter element structure for easy disassembly and maintenance according to claim 2, characterized in that: A sealing ring (202) is installed on the upper part of the outer wall of the water purifier filter element (2), and the inside of the sealing ring (202) is slidably connected to the outer wall of the water purifier filter element (2).

4. The water purifier filter element structure for easy disassembly and maintenance according to claim 1, characterized in that: The inner wall of the sleeve (3) is slidably connected to the upper part of the outer wall of the filter element cylinder (1), and a locking block (302) is provided on the lower part of the inner wall of the sleeve (3).

5. The water purifier filter element structure for easy disassembly and maintenance according to claim 4, characterized in that: The outer wall of the card block (302) is slidably connected to the inner wall of the L-shaped card slot (101), and a collar (303) is installed below the outer wall of the sleeve (3).

6. The water purifier filter element structure for easy disassembly and maintenance according to claim 5, characterized in that: The inner wall of the collar (303) is slidably connected to the outer wall of the sleeve (3), and an arc groove (304) is provided at the center of the inner wall of the collar (303).

7. The water purifier filter element structure for easy disassembly and maintenance according to claim 1, characterized in that: A guide post (401) is slidably connected to the center of the mounting plate (4), and a guide seat (402) is installed at one end of the guide post (401).

8. The water purifier filter element structure for easy disassembly and maintenance according to claim 7, characterized in that: The other end of the guide post (401) is equipped with a positioning head (403), the outer wall of the positioning head (403) is slidably connected to the inner wall of the positioning groove (102), and a spring (404) is provided on the outer wall of the guide post (401).