Filtering device with mineralized core that is easy to replace
The design of the limiting components and sealing rings simplifies the installation and disassembly process of the filter element, solves the problem of cumbersome filter element replacement in the existing technology, and realizes quick and convenient filter element replacement.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HEFEI XIKANG HEALTH TECH CO LTD
- Filing Date
- 2025-06-25
- Publication Date
- 2026-06-12
Smart Images

Figure CN224350474U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of filtration equipment technology, and more specifically, to a filtration device that allows for easy replacement of the mineralized filter element. Background Technology
[0002] Strontium-rich water refers to drinking water containing the trace element strontium. Strontium is present in very small amounts in the human body, but it is an important component of human bones and teeth, mainly accumulating in areas of vigorous ossification, which can strengthen bones. Secondly, strontium can lower cholesterol and soften blood vessels, which can improve cardiovascular function and prevent and treat hypertension and cardiovascular diseases. At the same time, strontium can also increase the excitability of nerves and muscles and promote the growth and development of adolescents.
[0003] A search revealed a public disclosure (announcement) number CN216584518U for a diversion-type strontium-rich mineralized direct drinking water device, comprising a base, a top cover, a filter cartridge, and multiple strontium-rich filter elements; the filter cartridge is clamped between the base and the top cover… The strontium-rich filter elements in this application all have a hollow tube in the middle, which is connected to the water collection chamber. Water in the filter cartridge needs to pass through the strontium-rich filter element when entering the water collection chamber. The strontium-rich filter element filters and mineralizes the water passing through it, thereby improving the drinking water quality. This strontium direct drinking water device has the advantages of simple structure, easy replacement of strontium-rich filter elements, and good mineralization effect. However, the disassembly and replacement of the strontium-rich filter elements in this application is cumbersome. First, the water collection cover must be unscrewed from the outside of the top cover. Then, tools are needed to tighten the fastening nut to release the top cover. Only after removing the top cover can the strontium-rich filter element be taken out for replacement. The whole operation process is not only cumbersome but also time-consuming and laborious, and cannot achieve quick disassembly and replacement.
[0004] To address the aforementioned issues, this application provides a filter device that allows for convenient replacement of the mineralized filter element. Utility Model Content
[0005] One objective of this application is to provide a filter device for convenient replacement of mineralized filter cartridges, comprising a support base, an inlet on the support base, a hollow tube on the top of the support base, a strontium-rich filter cartridge on the outside of the hollow tube, a top cover on the top of the filter cartridge, an outlet on the top cover, a collection box fixed to the top of the top cover, and an outlet on the collection box. An annular groove is formed on the outer side of the upper end of the filter cartridge, and a rotating ring is rotatably connected inside the annular groove. Multiple positioning blocks are fixedly connected to the bottom edge of the top cover. Each positioning block has a limiting groove, and a matching limiting block is provided inside the limiting groove. A support ring is provided at the bottom of each positioning block, and a positioning groove is formed at the top of the support ring. A matching positioning plate is provided inside the positioning groove. A slot is formed on the inner wall of the annular groove, and a limiting component is provided on the rotating ring.
[0006] Furthermore, the limiting block is fixedly connected to the outer surface of the rotating ring, the support ring is fixedly connected to the outer side of the upper end of the filter cartridge, and the positioning plate is fixedly connected to the bottom end face of the positioning block.
[0007] Furthermore, the limiting component includes an insertion hole on the rotating ring, a connecting rod is inserted into the insertion hole, a cylinder is fixedly connected to the outer side of the rotating ring, a sliding plate is fixedly sleeved on the outer side of the connecting rod, and a spring is sleeved on the outer side of the connecting rod.
[0008] Furthermore, one end of the connecting rod extends into the interior of the slot, and the other end of the connecting rod extends to the outside of the cylinder and is fixedly connected to a carrying plate.
[0009] Furthermore, the sliding plate is slidably connected to the inner wall of the cylinder, one end of the spring is fixedly connected to the sliding plate, and the other end of the spring is fixedly connected to the inner wall of the cylinder.
[0010] Furthermore, the bottom surface of the top cover and the top of the support base are both provided with grooves, and the two ends of the strontium-rich filter element are symmetrically fixedly connected with positioning posts that are adapted to the grooves.
[0011] Furthermore, a sealing ring is provided between the top cover and the filter cartridge, and the sealing ring is fixedly connected to the bottom end face of the top cover.
[0012] The beneficial effects of this application are:
[0013] Moving the handle outward causes the connecting rod to move out of the slot, releasing the limiting effect on the rotating ring. This causes the rotating ring to rotate, which in turn causes the limiting block to rotate out of the limiting groove, releasing the limiting effect on the positioning block. This allows the top cover to move upward, opening it and allowing the strontium-rich filter element, which is fitted on the outside of the hollow tube, to be removed and replaced directly. Compared to existing technologies, this operation is faster and more convenient, enabling quick replacement of the filter element. Attached Figure Description
[0014] The accompanying drawings are provided to further understand this application and form part of the specification. They are used together with the embodiments of this application to explain this application and do not constitute a limitation thereof.
[0015] In the attached diagram:
[0016] Figure 1 This is a schematic diagram of the overall structure of this application;
[0017] Figure 2 This is a partial structural diagram of this application;
[0018] Figure 3 This is a partial structural cross-sectional view of this application;
[0019] Figure 4 For the purposes of this application Figure 3 Enlarged schematic diagram of the structure of region A in the middle;
[0020] Figure 5 For the purposes of this application Figure 3 Enlarged schematic diagram of the structure of region B in the middle;
[0021] Figure 6 This is a schematic diagram of the groove and positioning post structure of this application.
[0022] Explanation of the labels in the diagram:
[0023] 1. Support base; 2. Filter cartridge; 3. Water collection box; 4. Handle; 5. Positioning block; 6. Top cover; 7. Support ring; 8. Strontium-rich filter element; 9. Hollow tube; 10. Rotating ring; 11. Annular groove; 12. Limiting block; 13. Limiting groove; 14. Sealing ring; 15. Positioning groove; 16. Positioning plate; 17. Cylinder body; 18. Slot; 19. Connecting rod; 20. Spring; 21. Sliding plate; 22. Groove; 23. Positioning post. Detailed Implementation
[0024] The technical solutions in 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. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.
[0025] In the description of this application, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0026] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.
[0027] Example:
[0028] Please see Figure 1 , Figure 2 , Figure 3 and Figure 4 This application discloses a filter device for easy replacement of mineralized core, including a support base 1, a water inlet on the support base 1, a hollow tube 9 on the top of the support base 1, a strontium-rich filter element 8 on the outside of the hollow tube 9, a top cover 6 on the top of the filter cylinder 2, a water outlet on the top cover 6, a water collection box 3 fixed on the top of the top cover 6, and a water outlet on the water collection box 3. The hollow tube 9 has multiple seepage holes in its tube wall, and the water outlet is connected to the hollow tube 9. An annular groove 11 is formed on the outer side of the upper end of the filter cylinder 2, and a rotating ring 10 is rotatably connected inside the annular groove 11. Multiple positioning blocks 5 are fixedly connected to the bottom edge of the top cover 6.
[0029] Multiple positioning blocks 5 are arranged in a circular array. A limiting groove 13 is provided on the positioning block 5. A matching limiting block 12 is provided inside the limiting groove 13. The limiting block 12 is fixedly connected to the outer surface of the rotating ring 10. A support ring 7 is provided at the bottom of the positioning block 5. The support ring 7 is fixedly connected to the outer side of the upper end of the filter cartridge 2. A positioning groove 15 is provided at the top of the support ring 7. The number of positioning grooves 15 is equal to the number of positioning blocks 5. A matching positioning plate 16 is provided inside the positioning groove 15. The positioning plate 16 is fixedly connected to the bottom end face of the positioning block 5. A slot 18 is provided on the inner wall of the annular groove 11. There is one slot 18. A limiting component is provided on the rotating ring 10.
[0030] Please see Figure 5 The limiting component includes an insertion hole on the rotating ring 10, into which a connecting rod 19 is inserted. A cylinder 17 is fixedly connected to the outside of the rotating ring 10. The end of the cylinder 17 near the rotating ring 10 is open. A sliding plate 21 is fixedly sleeved on the outside of the connecting rod 19. A spring 20 is sleeved on the outside of the connecting rod 19. The spring 20 is in a stretched state. One end of the connecting rod 19 extends into the inside of the slot 18. The other end of the connecting rod 19 extends into the outside of the cylinder 17 and is fixedly connected to a carrying plate 4. The carrying plate 4 is used to easily pull the connecting rod 19 to move, which drives the carrying plate 4 to move outward. The movement of the carrying plate 4 drives the connecting rod 19 to move, and the movement of the connecting rod 19 drives the sliding plate 21 to move inside the cylinder 17.
[0031] When the sliding plate 21 moves, it presses against the spring 20, causing the spring 20 to contract and move the connecting rod 19 out of the slot 18, releasing the limit on the rotating ring 10. Then, the rotating ring 10 rotates, which in turn causes the limiting block 12 to rotate, thus allowing the limiting block 12 to rotate out of the limiting groove 13, releasing the limit on the positioning block 5. This allows the top cover 6 to move upward, opening the top cover 6. Then, the strontium-rich filter element 8, which is sleeved on the outside of the hollow tube 9, can be directly removed. The sliding plate 21 is slidably connected to the inner wall of the cylinder 17. One end of the spring 20 is fixedly connected to the sliding plate 21, and the other end of the spring 20 is fixedly connected to the inner wall of the cylinder 17.
[0032] When installing the top cover 6, the positioning plate 16 is inserted into the positioning groove 15, thereby installing the top cover 6 on the top of the filter cartridge 2. Then, the rotating ring 10 is driven to rotate. The rotation of the rotating ring 10 drives the limiting block 12 to rotate into the limiting groove 13. When the limiting block 12 rotates into the limiting groove 13, the connecting rod 19 corresponds to the slot 18. At this time, the thrust generated by the spring 20 returning to its original position causes the sliding plate 21 to move to its original position. The movement of the sliding plate 21 drives the connecting rod 19 to move and insert into the slot 18, thereby completing the limiting of the rotating ring 10.
[0033] Please see Figure 6 The bottom surface of the top cover 6 and the top surface of the support base 1 are both provided with grooves 22. The two ends of the strontium-rich filter element 8 are symmetrically fixedly connected with positioning posts 23 that are adapted to the grooves 22. When installing the strontium-rich filter element 8, the two positioning posts 23 at the bottom of the strontium-rich filter element 8 are inserted into the two grooves 22. When installing the top cover 6, the positioning plate 16 is aligned with the positioning groove 15. At this time, the two positioning posts 23 at the top of the strontium-rich filter element 8 are aligned with the grooves 22 on the bottom surface of the top cover 6. Then, the positioning plate 16 is inserted into the positioning groove 15 to complete the installation of the top cover 6. At this time, the positioning posts 23 at the top of the strontium-rich filter element 8 are inserted into the grooves 22 on the bottom surface of the top cover 6. The cooperation of the positioning posts 23 and the grooves 22 positions the strontium-rich filter element 8 and improves the stability of the strontium-rich filter element 8 installed on the outside of the hollow tube 9.
[0034] Please see Figure 4 and Figure 5 A sealing ring 14 is provided between the top cover 6 and the filter cartridge 2. The sealing ring 14 is located on the top of the filter cartridge 2 and is fixedly connected to the bottom end face of the top cover 6. The sealing ring 14 seals the top cover 6 and the filter cartridge 2, thereby improving the sealing performance between the top cover 6 and the filter cartridge 2.
[0035] The implementation principle of this application is as follows: The mineralization filtration principle of this application has been disclosed. Referring to the prior art disclosure (announcement) number CN216584518U, a diversion type strontium-rich mineralized direct drinking water device will not be described in detail here.
[0036] When the strontium-rich filter element 8 needs to be disassembled and replaced, the handle 4 is moved outward. The movement of the handle 4 causes the connecting rod 19 to move, and the movement of the connecting rod 19 causes the sliding plate 21 to move inside the cylinder 17. When the sliding plate 21 moves, it presses the spring 20. The spring 20 is compressed and contracts, causing the connecting rod 19 to move out of the slot 18, releasing the restriction on the rotating ring 10. Then, the rotating ring 10 is rotated, which causes the limiting block 12 to rotate, thus causing the limiting block 12 to rotate out of the limiting groove 13, releasing the restriction on the positioning block 5. This allows the top cover 6 to move upward, thereby opening the top cover 6. Then, the strontium-rich filter element 8, which is sleeved on the outside of the hollow tube 9, can be directly removed and replaced.
[0037] The above are merely preferred embodiments of this application, but the scope of protection of this application is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this application, based on the technical solution and application concept of this application, should be included within the scope of protection of this application.
Claims
1. A filter device for easy replacement of mineralized core, comprising a support base (1), an inlet provided on the support base (1), a hollow tube (9) provided on the top of the support base (1), a strontium-rich filter element (8) provided on the outside of the hollow tube (9), a top cover (6) provided on the top of the filter cartridge (2), an outlet provided on the top cover (6), a water collection box (3) fixed on the top of the top cover (6), and an outlet provided on the water collection box (3), characterized in that: The filter cartridge (2) has an annular groove (11) on its upper outer side. A rotating ring (10) is rotatably connected inside the annular groove (11). Multiple positioning blocks (5) are fixedly connected to the bottom edge of the top cover (6). A limiting groove (13) is opened on the positioning block (5). A matching limiting block (12) is provided inside the limiting groove (13). A support ring (7) is provided at the bottom of the positioning block (5). A positioning groove (15) is opened at the top of the support ring (7). A matching positioning plate (16) is provided inside the positioning groove (15). A slot (18) is opened on the inner wall of the annular groove (11). A limiting component is provided on the rotating ring (10).
2. The filter device for convenient replacement of mineralized core according to claim 1, characterized in that: The limiting block (12) is fixedly connected to the outer surface of the rotating ring (10), the support ring (7) is fixedly connected to the outer side of the upper end of the filter cylinder (2), and the positioning plate (16) is fixedly connected to the bottom end face of the positioning block (5).
3. The filter device for convenient replacement of mineralized core according to claim 1, characterized in that: The limiting component includes an insertion hole on the rotating ring (10), a connecting rod (19) is inserted into the insertion hole, a cylinder (17) is fixedly connected to the outside of the rotating ring (10), a sliding plate (21) is fixedly sleeved on the outside of the connecting rod (19), and a spring (20) is sleeved on the outside of the connecting rod (19).
4. The filter device for convenient replacement of mineralized core according to claim 3, characterized in that: One end of the connecting rod (19) extends into the interior of the slot (18), and the other end of the connecting rod (19) extends to the outside of the cylinder (17) and is fixedly connected to the carrying plate (4).
5. The filter device for convenient replacement of mineralized core according to claim 3, characterized in that: The sliding plate (21) is slidably connected to the inner wall of the cylinder (17), one end of the spring (20) is fixedly connected to the sliding plate (21), and the other end of the spring (20) is fixedly connected to the inner wall of the cylinder (17).
6. The filter device for convenient replacement of mineralized core according to claim 1, characterized in that: The bottom end of the top cover (6) and the top of the support base (1) are both provided with grooves (22), and the two ends of the strontium-rich filter element (8) are symmetrically fixedly connected with positioning posts (23) that are adapted to the grooves (22).
7. The filter device for convenient replacement of mineralized core according to claim 1, characterized in that: A sealing ring (14) is provided between the top cover (6) and the filter cartridge (2), and the sealing ring (14) is fixedly connected to the bottom end face of the top cover (6).