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CN-224220957-U - Filter element

CN224220957UCN 224220957 UCN224220957 UCN 224220957UCN-224220957-U

Abstract

The application discloses a filter element, which comprises a shell, a water guide pipe and a first filter element, wherein a filter cavity for placing filter materials is arranged in the shell, a water inlet and a water outlet which are communicated with the filter cavity are arranged at the bottom of the shell, a step corresponding to the water inlet is convexly arranged at the bottom of the filter cavity, a through groove which is communicated with the inner side and the outer side of the step is formed in the step, the first filter element is arranged on the inner side of the step, one end of the water guide pipe is connected with the water outlet in a sealing way, the other end of the water guide pipe extends to the top of the filter cavity, and a gap is reserved between the filter cavity and the top for accommodating the filter materials. According to the application, the through groove is arranged on the step at the water inlet, so that the water outlet area of the first filter element can be increased, the resistance is reduced, the water inlet efficiency is improved, and the blocking at the water inlet can be effectively avoided.

Inventors

  • LAN CHANGHE

Assignees

  • 吉田(广东)电极工业有限公司

Dates

Publication Date
20260512
Application Date
20250416

Claims (10)

  1. 1. The filter element is characterized by comprising a shell (1), a water guide pipe (2) and a first filter element (3), wherein a filter cavity for placing a filter material (110) is arranged in the shell (1), a water inlet (11) and a water outlet (12) which are communicated with the filter cavity are arranged at the bottom of the shell, a step (13) corresponding to the position of the water inlet (11) is convexly arranged at the bottom of the filter cavity, a through groove (14) which is communicated with the inner side and the outer side of the step (13) is formed in the step (13), the first filter element (3) is arranged on the inner side of the step (13), one end of the water guide pipe (2) is connected to the water outlet (12) in a sealing mode, the other end of the water guide pipe extends to the top of the filter cavity, and a gap for accommodating the filter material (110) is reserved between the water inlet and the top.
  2. 2. A cartridge as claimed in claim 1, characterized in that the inner side of the step (13) is provided with a stop (4) for limiting the first filter element (3).
  3. 3. A filter cartridge according to claim 1, wherein the water conduit (2) is provided with a second filter element (5) inside one end adjacent to the water outlet (12).
  4. 4. A filter cartridge according to any one of claims 1-3, wherein the housing (1) comprises a shell (101) and an end cap (102), the end cap (102) being detachably mounted on top of the shell (101), the water inlet (11) and the water outlet (12) being arranged at a distance from each other at the bottom of the shell (101).
  5. 5. A filter cartridge according to claim 4, wherein the junction of the housing (101) and the end cap (102) is provided with a locking structure (6).
  6. 6. The filter cartridge of claim 5, wherein the locking structure (6) comprises a first locking buckle (601) disposed on an outer wall surface of the housing (101) and a second locking buckle (602) disposed on an inner wall surface of the end cap (102), and the first locking buckle (601) is cooperatively locked with the second locking buckle (602).
  7. 7. The filter cartridge of claim 6, wherein the locking structure (6) further comprises an anti-release (603) disposed at an outer edge of the housing (101) and an anti-release groove (604) disposed at an inner edge of the end cap (102), the anti-release (603) being insertable within the anti-release groove (604).
  8. 8. A filter cartridge according to claim 4, wherein the junction of the housing (101) and the end cap (102) is further provided with a seal (7).
  9. 9. A filter cartridge according to any one of claims 1-3, characterized in that the outer wall surface of the housing (1) is provided with a fixing seat (8).
  10. 10. A filter cartridge according to any one of claims 1-3, characterized in that the bottom of the housing (1) is provided with a first connection column (9) corresponding to the water inlet (11) and a second connection column (10) corresponding to the water outlet (12), respectively, the interiors of the first connection column (9) and the second connection column (10) each forming an access channel.

Description

Filter element Technical Field The application relates to the technical field of filter elements, in particular to a filter element. Background In the existing fluid filtering device, the conventional filter element structure mostly adopts a single-layer or unidirectional filter medium arrangement mode. Such designs typically require fluid flow in a fixed direction through linear channels formed by the dense filter layer such that the filter media surface is subjected to a relatively large initial impact pressure. Because of the inherent contradiction between fluid flux and filtration accuracy, such structures are prone to flux decay during long-term use, manifested as a significant decrease in process efficiency per unit time. More importantly, due to the planar arrangement of the filter media, impurity particles are prone to form local accumulation in the inlet area, so that the flow passage sectional area is continuously reduced, and abnormal rise of pressure difference parameters can be caused, and structural fatigue of the filter media can be accelerated. Disclosure of utility model The embodiment of the application aims to provide the filter element, and through arranging the through groove on the step at the water inlet, the water outlet area of the first filter element can be increased, so that the resistance is reduced, the water inlet efficiency is improved, and the blockage at the water inlet can be effectively avoided. In order to achieve the above purpose, the application adopts the following technical scheme: On the one hand, the filter element comprises a shell, a water guide pipe and a first filter element, wherein a filter cavity for placing filter materials is arranged in the shell, a water inlet and a water outlet which are communicated with the filter cavity are formed in the bottom of the shell, a step corresponding to the position of the water inlet is convexly arranged at the bottom of the filter cavity, a through groove which is communicated with the inner side and the outer side of the step is formed in the step, the first filter element is arranged on the inner side of the step, one end of the water guide pipe is connected with the water outlet in a sealing mode, the other end of the water guide pipe extends to the top of the filter cavity, and a gap is reserved between the filter cavity and the top of the filter cavity for accommodating the filter materials. Further, a limiting member for limiting the first filter member is provided on the inner side of the step. Further, a second filter piece is arranged on the inner side of one end, close to the water outlet, of the water guide pipe. Further, the shell comprises a shell body and an end cover, the end cover is detachably arranged at the top of the shell body, and the water inlet and the water outlet are arranged at the bottom of the shell body at intervals. Further, a locking structure is arranged at the joint of the shell and the end cover. Further, the locking structure comprises a first locking buckle arranged on the outer wall surface of the shell and a second locking buckle arranged on the inner wall surface of the end cover, and the first locking buckle and the second locking buckle are matched and locked. Further, the locking structure further comprises an anti-tripping groove arranged at the outer edge of the shell and an anti-tripping groove arranged at the inner edge of the end cover, and the anti-tripping groove can be embedded with the anti-tripping groove. Further, a sealing element is arranged at the joint of the shell and the end cover. Further, the outer wall surface of the shell is provided with a fixing seat. Further, a first connecting column corresponding to the water inlet and a second connecting column corresponding to the water outlet are respectively arranged at the bottom of the shell, and an inlet and outlet channel is formed in the first connecting column and the second connecting column. The application has the beneficial effects that through grooves are formed in the steps, so that the hydrodynamic limitation of the traditional unidirectional filtering structure is broken through. The multidimensional flow guiding network formed by the through grooves enables water flow to form a distributed permeation mode on the surface of the first filtering piece, the original linear flow channel is expanded into a three-dimensional flow dividing structure, water inlet resistance is greatly reduced, and unit time treatment flux is improved. Meanwhile, the through grooves can disperse the initial impact of impurities on the surface of the filter medium, so that the centralized accumulation of particles at the water inlet is avoided, and the blocking period of the first filter element is obviously delayed. The gap layout of the water guide pipe and the cavity top combines the vertical flow guide characteristic of the filter cavity, so that the utilization efficiency of the filter material layer is further optimized,