Water treatment filter element assembly
By designing the water treatment filter element assembly connected by the rotary ring and external thread, the cumbersome problem of replacement of traditional filter element components is solved, and convenient replacement and stable fixation of filter cotton core and activated carbon filter layer are achieved, improving replacement efficiency and service life.
Patent Information
- Application Number
- CN202421976867.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-15
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-08-15
AI Technical Summary
It is difficult to easily remove the filter cotton core and activated carbon filter layer when replacing the traditional water treatment filter element assembly, resulting in a cumbersome replacement process.
A water treatment filter element assembly is designed. The rotating ring is connected to the external thread, and the rotating ring is connected to the shell. Hold the connecting rod to pull out the filter cotton core and activated carbon filter layer as a whole, and extract it through the inner tube. Combined with the design of the pressing strip and the support strip, ensuring that the filter layer is stable and fixed and avoiding frictional damage.
It realizes convenient replacement of filter cotton core and activated carbon filter layer, simplifies the replacement process, and ensures the stability and service life of the filter layer.
Smart Images

Figure CN223134173U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of water treatment, and particularly relates to a water treatment filter element assembly. Background Art
[0002] The concept of water filtration should be defined according to the main and guest positions of water. When water is the main body, water filtration is a medium for filtering and treating other impurities, and it is a filtration method that effectively separates solids and gases through the dissolution of water. When water is the object, water filtration is a method specifically for treating water, which is to remove suspended solids in water by using a filtration medium to obtain clear water.
[0003] The filter cores of traditional water treatment are often fixedly arranged as a whole. When replacing, it is often difficult to take out the filter core. Usually, the entire filter tube is removed for replacement, and the removal process is rather cumbersome. Therefore, a water treatment filter element assembly is needed to solve the above problems. Content of the Utility Model
[0004] The purpose of the utility model is to provide a water treatment filter element assembly to solve the problems put forward in the above background art.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A water treatment filter element assembly includes a housing and a rotating ring. One end of the rotating ring is threadedly connected to one end of the housing through an external thread. A limiting ring is fixedly connected to the outside of the rotating ring. An L-shaped ring block is fixedly connected to the inside of the rotating ring. A connecting rod is arranged inside the rotating ring. A pressing strip is fixedly connected to the outside of the connecting rod. A plurality of the pressing strips are distributed around the connecting rod. L-shaped grooves are opened at the far ends of the plurality of pressing strips. The outside of the L-shaped ring block is slidably connected to the L-shaped grooves. A first internal thread is opened at one end of the housing, and a second internal thread is opened at one end of the rotating ring.
[0006] By setting the rotating ring, when the rotating ring is rotated, the threaded connection with the housing can be released through the rotation of the external thread. Then, by holding the connecting rod, the filter cotton core and the activated carbon filter layer on the shaft rod can be pulled out of the housing as a whole. Then, by rotating the fixing sleeve, the supporting ring at the tail of the shaft rod can be removed. Finally, the filter cotton core and the activated carbon filter layer can be drawn out from one end of the shaft rod through the inner tube, and then a new one can be replaced, thus realizing the convenient replacement of the filter cotton core and the activated carbon filter layer. During this period, the setting of the second internal thread and the first internal thread is for the convenience of connecting with the outer tube.
[0007] As a preferred implementation manner, one end of the connecting rod is fixedly connected to a shaft rod, and an inner tube is sleeved on the outside of the shaft rod.
[0008] As a preferred embodiment, a filter cotton core and an activated carbon filter layer are respectively fixedly connected to the outer part of the inner tube, and both the filter cotton core and the activated carbon filter layer are located inside the housing.
[0009] By providing the filter cotton core and the activated carbon filter layer, it helps to make the water source flowing through the housing filtered more cleanly.
[0010] As a preferred embodiment, one end of the shaft rod is threadedly connected with a fixing sleeve, and a supporting ring is arranged outside the fixing sleeve.
[0011] As a preferred embodiment, the supporting ring is located on one side of the activated carbon filter layer, and a plurality of supporting bars are fixedly connected inside the supporting ring, and the adjacent ends of the plurality of supporting bars are fixedly connected to the outside of the fixing sleeve.
[0012] As a preferred embodiment, a pressing gasket ring is sleeved outside the shaft rod, and the pressing gasket ring is located between the fixing sleeve and the inner tube.
[0013] By providing the pressing bars and the supporting bars, when the outer tube is threadedly connected to the first internal thread, one end of the outer tube will press against one side of the supporting ring, so that the whole shaft rod will displace to press the L-shaped groove against the outside of the L-shaped ring block, and then the filter cotton core and the activated carbon filter layer are stably positioned inside the housing. When the rotating ring rotates threadedly, the L-shaped ring block will slide in the L-shaped groove, and then the pressing bars will not drive the filter cotton core and the activated carbon filter layer to rotate, ensuring that the filter cotton core and the activated carbon filter layer will not be damaged due to rotational friction.
[0014] Compared with the prior art, the beneficial effects of the present utility model are:
[0015] In the present utility model, by providing the rotating ring, when the rotating ring is rotated, the threaded connection with the housing can be released by the rotation of the external thread. Then, by holding the connecting rod, the filter cotton core and the activated carbon filter layer on the shaft rod can be pulled out of the housing as a whole. Then, by rotating the fixing sleeve, the supporting ring at the tail of the shaft rod can be removed. Finally, the filter cotton core and the activated carbon filter layer can be extracted from one end of the shaft rod through the inner tube, and then a new one can be replaced, thus realizing the convenient replacement of the filter cotton core and the activated carbon filter layer.
[0016] In the present utility model, by providing the pressing bars and the supporting bars, when the outer tube is threadedly connected to the first internal thread, one end of the outer tube will press against one side of the supporting ring, so that the whole shaft rod will displace to press the L-shaped groove against the outside of the L-shaped ring block, and then the filter cotton core and the activated carbon filter layer are stably positioned inside the housing. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is a schematic diagram of the three-dimensional structure of the present utility model;
[0018] Figure 2This is a schematic diagram of the sectional three-dimensional structure of the housing of the present utility model;
[0019] Figure 3 This is a schematic diagram of the sectional three-dimensional structure of a part of the housing of the present utility model;
[0020] Figure 4 This is a schematic diagram of the three-dimensional structure of the pressing support ring of the present utility model;
[0021] Figure 5 This is a schematic diagram of the three-dimensional structure of the inner tube of the present utility model;
[0022] Figure 6 For the present utility model Figure 5 Schematic diagram of the enlarged three-dimensional structure at position A in.
[0023] In the figure: 1. Housing; 2. Rotating ring; 3. External thread; 4. Limit ring; 5. L-shaped ring block; 6. Connecting rod; 7. Pressing strip; 8. L-shaped groove; 9. First internal thread; 10. Second internal thread; 11. Shaft rod; 12. Inner tube; 13. Filter cotton core; 14. Activated carbon filter layer; 15. Fixed sleeve; 16. Support ring; 17. Support strip; 18. Pressing gasket ring. Specific embodiments
[0024] The following will further describe the present utility model in conjunction with embodiments.
[0025] The following embodiments are used to illustrate the present utility model, but cannot be used to limit the protection scope of the present utility model. The conditions in the embodiments can be further adjusted according to specific conditions. Any simple improvement of the method of the present utility model under the premise of the concept of the present utility model belongs to the scope protected by the present utility model.
[0026] Please refer to Figures 1-6, the utility model provides a water treatment filter element assembly, which includes a housing 1 and a rotating ring 2. One end of the rotating ring 2 is threadedly connected to one end of the housing 1 through an external thread 3. A limiting ring 4 is fixedly connected to the outside of the rotating ring 2, and an L-shaped ring block 5 is fixedly connected to the inside of the rotating ring 2. A connecting rod 6 is arranged inside the rotating ring 2, and a pressing strip 7 is fixedly connected to the outside of the connecting rod 6. A plurality of pressing strips 7 are distributed around the connecting rod 6. L-shaped grooves 8 are opened at the far ends of the plurality of pressing strips 7. The outside of the L-shaped ring block 5 is slidably connected to the L-shaped grooves 8. A first internal thread 9 is opened at one end of the housing 1, and a second internal thread 10 is opened at one end of the rotating ring 2. By setting the rotating ring 2, when the rotating ring 2 is rotated, the threaded connection with the housing 1 can be released by the rotation of the external thread 3. Then, by holding the connecting rod 6, the filter cotton core 13 and the activated carbon filter layer 14 on the shaft rod 11 can be pulled out of the housing 1 as a whole. Then, by rotating the fixing sleeve 15, the supporting ring 16 at the tail of the shaft rod 11 can be removed. Finally, the filter cotton core 13 and the activated carbon filter layer 14 can be extracted from one end of the shaft rod 11 through the inner tube 12, and then a new one can be replaced, thus realizing the convenient replacement of the filter cotton core 13 and the activated carbon filter layer 14. During this period, the setting of the second internal thread 10 and the first internal thread 9 is to facilitate the connection with the outer tube.
[0027] One end of the connecting rod 6 is fixedly connected to a shaft rod 11, and an inner tube 12 is sleeved on the outside of the shaft rod 11.
[0028] The filter cotton core 13 and the activated carbon filter layer 14 are respectively fixedly connected to the outside of the inner tube 12. The filter cotton core 13 and the activated carbon filter layer 14 are both located inside the housing 1. By setting the filter cotton core 13 and the activated carbon filter layer 14, it helps to make the water source flowing through the housing 1 filter more cleanly.
[0029] One end of the shaft rod 11 is threadedly connected to a fixing sleeve 15, and a supporting ring 16 is arranged on the outside of the fixing sleeve 15.
[0030] The supporting ring 16 is located on one side of the activated carbon filter layer 14. A plurality of supporting strips 17 are fixedly connected to the inside of the supporting ring 16. The near ends of the plurality of supporting strips 17 are fixedly connected to the outside of the fixing sleeve 15.
[0031] The outside of the shaft rod 11 is sleeved with a pressing gasket ring 18. The pressing gasket ring 18 is located between the fixing sleeve 15 and the inner tube 12. By setting the pressing strip 7 and the supporting strip 17, when the outer tube is threadedly connected through the first internal thread 9, one end of the outer tube will press against one side of the supporting ring 16, so that the whole shaft rod 11 will displace to press the L-shaped groove 8 against the outside of the L-shaped ring block 5, thereby enabling the filter cotton core 13 and the activated carbon filter layer 14 to be stably positioned inside the housing 1. When the rotating ring 2 is rotated threadedly, the L-shaped ring block 5 will slide in the L-shaped groove 8, so that the pressing strip 7 will not drive the filter cotton core 13 and the activated carbon filter layer 14 to rotate, ensuring that the filter cotton core 13 and the activated carbon filter layer 14 will not be damaged due to rotational friction.
[0032] The working principle and usage process of the present utility model are as follows: First, rotate the rotating ring 2. When the rotating ring 2 is rotated, the threaded connection with the housing 1 can be released by the rotation of the external thread 3. Then, hold the connecting rod 6 and pull out the filter cotton core 13 and the activated carbon filter layer 14 on the shaft rod 11 as a whole from the housing 1. Then, rotate the fixing sleeve 15 to remove the supporting ring 16 at the tail of the shaft rod 11. Finally, the filter cotton core 13 and the activated carbon filter layer 14 can be extracted from one end of the shaft rod 11 through the inner tube 12, and then a new one can be replaced.
[0033] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A water treatment filter element assembly, comprising a housing (1) and a rotating ring (2), characterized in that: One end of the swivel ring (2) is threadedly connected to one end of the housing (1) through an external thread (3). A limit ring (4) is fixedly connected to the outside of the swivel ring (2). An L-shaped ring block (5) is fixedly connected to the inside of the swivel ring (2). A connecting rod (6) is arranged inside the swivel ring (2). A pressing strip (7) is fixedly connected to the outside of the connecting rod (6). A plurality of the pressing strips (7) are distributed around the connecting rod (6). L-shaped grooves (8) are formed at the opposite ends of the plurality of pressing strips (7). The outside of the L-shaped ring block (5) is slidably connected to the L-shaped grooves (8). A first internal thread (9) is formed at one end of the housing (1). A second internal thread (10) is formed at one end of the swivel ring (2).
2. The water treatment filter element assembly according to claim 1, wherein: One end of the connecting rod (6) is fixedly connected to a shaft rod (11). An inner tube (12) is sleeved on the outside of the shaft rod (11).
3. The water treatment filter element assembly according to claim 2, characterized in that: A filter cotton core (13) and an activated carbon filter layer (14) are respectively fixedly connected to the outside of the inner tube (12). The filter cotton core (13) and the activated carbon filter layer (14) are both located inside the housing (1).
4. The water treatment filter element assembly according to claim 2, characterized in that: One end of the shaft rod (11) is threadedly connected to a fixing sleeve (15). A support ring (16) is arranged on the outside of the fixing sleeve (15).
5. A water treatment filter element assembly according to claim 4, wherein: The support ring (16) is located on one side of the activated carbon filter layer (14). A plurality of support strips (17) are fixedly connected to the inside of the support ring (16). The adjacent ends of the plurality of support strips (17) are fixedly connected to the outside of the fixing sleeve (15).
6. The water treatment filter element assembly according to claim 4, wherein: A pressing gasket ring (18) is sleeved on the outside of the shaft rod (11). The pressing gasket ring (18) is located between the fixing sleeve (15) and the inner tube (12).