Cross-flow type flushable folding filter element assembly

Abstract

The utility model provides a cross-flow type washable folding filter element assembly, in particular to the technical field of folding filter elements, which comprises a shell, a water inlet pipe is connected with a water supply device, during installation, a first end cover is mutually inserted with a water outlet pipe, water enters the water inlet pipe, and part of water can permeate and penetrate through filter cotton through water pressure, so that the water inlet pipe is connected with the water inlet pipe. Water is filtered through a ceramic membrane and seeps into a cross-flow groove through the ceramic membrane, water which is not seeped is discharged through a water outlet pipe, water seeped into the cross-flow groove is discharged through a water outlet, and therefore the cross-flow effect is achieved, a cover plate is fixedly connected with a shell through a threaded groove, during connection, a pressing column can abut against the top of a second end cover, the cover plate is continuously screwed, and the cover plate is fixed to the shell. When the cover plate is installed, a second sealing ring between the pressing column and the second end cover can be extruded, a first sealing ring at the bottom of the first end cover can be extruded, and therefore the sealing effect is achieved, and after the cover plate is installed, the connecting position can be sealed through a third sealing ring.

Description

Technical Field

[0001] This utility model relates to the field of pleated filter technology, and in particular to a cross-flow washable pleated filter assembly. Background Technology

[0002] Filter cartridges are widely used in filtration fields such as biochemicals, pharmaceuticals, microelectronics, food, and environmental engineering. In particular, pleated filter cartridges are an important part of ensuring product quality and the level of product manufacturing technology.

[0003] A pleated filter cartridge is a filter element that uses advanced pleating technology to fold filter paper or filter cloth into a compact filter cartridge structure, thereby increasing the filtration area and improving filtration efficiency. During use, pleated filter cartridges require frequent rinsing to achieve better flow distribution and filtration results. However, currently available pleated filter cartridges are not convenient to rinse. Therefore, there is a need to research and develop a rinseable pleated filter cartridge assembly to facilitate filtration operations during production, experimentation, and other processes. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a cross-flow washable pleated filter element assembly to solve the problem mentioned in the background art of achieving better flow diversion filtration and better filtration effect when using the filter element.

[0005] The technical solution of this utility model is a cross-flow washable pleated filter cartridge assembly, including a housing and a filter cartridge inside the housing. A water outlet pipe is fixedly connected to the bottom of the housing, and a water inlet pipe is connected to the top of the housing. The filter cartridge includes a first end cap, a first sealing ring at the bottom of the first end cap, a second end cap, and a water inlet pipe embedded in the second end cap. Filter cotton is fixed between the first end cap and the second end cap, and a ceramic membrane is provided on the outer side of the filter cotton. A water inlet pipe is fixedly connected to the top of the second end cap, and a cross-flow groove is provided between the outer side of the filter cartridge and the inner wall of the housing.

[0006] According to the present invention, a cross-flow washable pleated filter element assembly is preferably provided with a drain outlet on the lower outer side of the housing.

[0007] Furthermore, a drain outlet is fixedly connected to the outer side of the housing.

[0008] According to the present invention, a cross-flow washable pleated filter element assembly is preferably provided with a threaded groove on the top of the housing and a cover plate on the top of the housing; a pressure column is fixedly connected to the bottom of the cover plate, a second sealing ring is provided at the bottom of the pressure column, and a third sealing ring is provided at the bottom of the cover plate.

[0009] Furthermore, the second sealing ring is bonded to the bottom of the pressure column; the third sealing ring is bonded to the bottom of the cover plate.

[0010] Furthermore, the threaded groove is located below the cover plate.

[0011] According to the present invention, in a cross-flow washable pleated filter element assembly, preferably, the cover plate is fixedly connected to the housing via a threaded groove. Preferably, the cross-flow groove is provided with a guide plate.

[0012] According to the present invention, a cross-flow washable pleated filter cartridge assembly is preferably provided with a limiting mechanism at the bottom of the cover plate.

[0013] Furthermore, the limiting mechanism includes a connecting rod and a limiting plate, the connecting rod is located at the bottom of the cover plate, and one end of the connecting rod is fixedly connected to the limiting plate.

[0014] Furthermore, the limiting plate is configured with an arc-shaped structure, and the inner wall of the limiting plate is in contact with the outer wall of the ceramic membrane.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: In use, the inlet pipe of this cross-flow washable foldable filter element assembly is connected to a water supply device. During installation, the first end cap and the outlet pipe are interlocked. Water enters the inlet pipe, and under water pressure, some water seeps into and penetrates the filter cotton, passes through the ceramic membrane for filtration, and then seeps out into the cross-flow groove. Water that is not seeped out is discharged through the outlet pipe, and water that seeps into the cross-flow groove is discharged through the drain outlet, thus achieving the cross-flow effect. The cover plate is fixedly connected to the housing through a threaded groove. During connection, the pressure column abuts against the top of the second end cap. Continuously twisting the cover plate compresses the second sealing ring between the pressure column and the second end cap, and also compresses the first sealing ring at the bottom of the first end cap, thus achieving a sealing effect. After the cover plate is installed, the connection is sealed by the third sealing ring. After the cover plate is fixed, the outer wall of the limiting plate fits against the outer wall of the ceramic membrane, which can limit the filter element and prevent it from shifting. After use, the filter element can be removed for cleaning. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the appearance and structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the crossflow channel structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the filter cotton and ceramic membrane used in combination in this utility model;

[0019] Figure 4 This is a schematic diagram of the limiting mechanism of this utility model.

[0020] In the diagram: 1. Shell; 2. Outlet pipe; 3. First end cap; 4. First sealing ring; 5. Second end cap; 6. Inlet pipe; 7. Filter cotton; 8. Ceramic membrane; 9. Crossflow groove; 10. Threaded groove; 11. Cover plate; 12. Pressure column; 13. Second sealing ring; 14. Third sealing ring; 15. Connecting rod; 16. Limiting plate; 17. Drain outlet. Detailed Implementation

[0021] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0022] 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.

[0023] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size should still fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce.

[0024] Example 1

[0025] Please see Figure 1-4 This utility model discloses a cross-flow washable pleated filter cartridge assembly, comprising a housing 1, a water outlet pipe 2 fixedly connected to the bottom of the housing 1, a filter cartridge disposed inside the housing 1, the filter cartridge comprising a first end cap 3, a first sealing ring 4, a second end cap 5, a water inlet pipe 6, filter cotton 7, and a ceramic membrane 8. The first end cap 3 has a first sealing ring 4 at its bottom, a filter cotton 7 fixedly connected to its top, a ceramic membrane 8 disposed on the outer side of the filter cotton 7, and a second end cap 5 fixedly connected to one end of the filter cotton 7. The second end cap 5 has a ceramic membrane 8 on its top. A water inlet pipe 6 is fixedly connected, and a cross-flow groove 9 is provided between the outer side of the filter element and the inner wall of the housing 1. In use, the water inlet pipe 6 is connected to the water supply device. During installation, the first end cap 3 and the water outlet pipe 2 are inserted into each other. Water enters the water inlet pipe 6. Due to water pressure, some water will seep into and penetrate the filter cotton 7, be filtered through the ceramic membrane 8, and seep out into the cross-flow groove 9 through the ceramic membrane 8. The water that is not seeped out is discharged through the water outlet pipe 2. The water that seeps out into the cross-flow groove 9 is discharged through the drain outlet 17, thereby achieving the effect of cross-flow.

[0026] Furthermore, a drain outlet 17 is fixedly connected to the outer side of the housing 1.

[0027] To facilitate the fixing of the filter element, a threaded groove 10 is provided on the top of the housing 1, and a cover plate 11 is provided on the top of the housing 1. A pressure post 12 is fixedly connected to the bottom of the cover plate 11, a second sealing ring 13 is bonded to the bottom of the pressure post 12, and a third sealing ring 14 is bonded to the bottom of the cover plate 11. The cover plate 11 is fixedly connected to the housing 1 through the threaded groove 10. During connection, the pressure post 12 will abut against the top of the second end cover 5. By continuously twisting the cover plate 11, the second sealing ring 13 between the pressure post 12 and the second end cover 5 will be squeezed, and the first sealing ring 4 at the bottom of the first end cover 3 will also be squeezed, thereby achieving a sealing effect. After the cover plate 11 is installed, the connection can be sealed by the third sealing ring 14.

[0028] Furthermore, the cover plate 11 is fixedly connected to the housing 1 via the threaded groove 10.

[0029] Example 2

[0030] Unlike the embodiments described above, please refer to... Figure 4 The bottom of the cover plate 11 is provided with a limiting mechanism, which includes a connecting rod 15 and a limiting plate 16. The connecting rod 15 is fixedly connected to the bottom of the cover plate 11, and the limiting plate 16 is fixedly connected to one end of the connecting rod 15. In use, the water inlet pipe 6 is connected to the water supply device. During installation, the first end cover 3 and the water outlet pipe 2 are interlocked. Water enters the water inlet pipe 6. Due to water pressure, some water will seep into and penetrate the filter cotton 7, be filtered through the ceramic membrane 8, and seep out into the crossflow channel 9. The water that is not seeped out is discharged through the water outlet pipe 2. The water that seeps into the crossflow channel 9 is discharged through the drain outlet 17. This achieves the effect of cross-flow. The cover plate 11 is fixedly connected to the housing 1 through the threaded groove 10. During connection, the pressure column 12 will abut against the top of the second end cover 5. By continuously twisting the cover plate 11, the second sealing ring 13 between the pressure column 12 and the second end cover 5 will be squeezed, and the first sealing ring 4 at the bottom of the first end cover 3 will also be squeezed, thereby achieving a sealing effect. After the cover plate 11 is installed, the connection can be sealed by the third sealing ring 14. After the cover plate 11 is fixed, the outer wall of the limiting plate 16 fits against the outer wall of the ceramic membrane 8, which can limit the filter element and prevent the filter element from shifting.

[0031] Furthermore, the limiting plate 16 is designed with an arc shape, and the outer wall of the limiting plate 16 is in contact with the outer wall of the ceramic membrane 8.

[0032] Working principle: During use, the inlet pipe 6 is connected to the water supply device. During installation, the first end cap 3 and the outlet pipe 2 are interlocked. Water enters the inlet pipe 6, and due to water pressure, some water seeps into and penetrates the filter cotton 7, is filtered through the ceramic membrane 8, and then seeps out into the crossflow channel 9. The water that is not seeped out is discharged through the outlet pipe 2. The water that seeps into the crossflow channel 9 is discharged through the drain outlet 17, thus achieving the crossflow effect. The cover plate 11 is fixedly connected to the housing 1 through the threaded groove 10. During connection, the pressure column 12 will abut against the top of the second end cover 5. By continuously twisting the cover plate 11, the second sealing ring 13 between the pressure column 12 and the second end cover 5 will be squeezed, and the first sealing ring 4 at the bottom of the first end cover 3 will also be squeezed, thereby achieving a sealing effect. After the cover plate 11 is installed, the connection can be sealed by the third sealing ring 14. After the cover plate 11 is fixed, the outer wall of the limiting plate 16 fits against the outer wall of the ceramic membrane 8, which can limit the filter element and prevent the filter element from shifting.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A cross-flow washable pleated filter cartridge assembly, comprising a housing (1) and a filter cartridge inside the housing (1), characterized in that: The bottom of the housing (1) is fixedly connected to a water outlet pipe (2), and the top of the housing (1) is connected to a water inlet pipe (6); the filter element includes a first end cap (3), a first sealing ring (4) at the bottom of the first end cap (3), a second end cap (5), and a water inlet pipe (6) embedded in the second end cap (5); filter cotton (7) is fixed between the first end cap (3) and the second end cap (5), and a ceramic membrane (8) is provided on the outside of the filter cotton (7); the top of the second end cap (5) is fixedly connected to a water inlet pipe (6), and a crossflow groove (9) is provided between the outside of the filter element and the inner wall of the housing (1).

2. The cross-flow washable pleated filter cartridge assembly according to claim 1, characterized in that: The lower outer side of the shell (1) is provided with a drain outlet (17).

3. The cross-flow washable pleated filter element assembly according to claim 2, characterized in that: The outer side of the housing (1) is fixedly connected to a drain outlet (17).

4. The cross-flow washable pleated filter cartridge assembly according to claim 1, characterized in that: The top of the housing (1) is provided with a threaded groove (10), and the top of the housing (1) is provided with a cover plate (11); a pressure column (12) is fixedly connected to the bottom of the cover plate (11), a second sealing ring (13) is provided at the bottom of the pressure column (12), and a third sealing ring (14) is provided at the bottom of the cover plate (11).

5. A cross-flow washable pleated filter cartridge assembly according to claim 4, characterized in that: The second sealing ring (13) is bonded to the bottom of the pressure column (12); the third sealing ring (14) is bonded to the bottom of the cover plate (11).

6. The cross-flow washable pleated filter cartridge assembly according to claim 4, characterized in that: The threaded groove (10) is located below the cover plate (11).

7. A cross-flow washable pleated filter cartridge assembly according to claim 4, characterized in that: The cover plate (11) is fixedly connected to the housing (1) through the threaded groove (10); the crossflow groove (9) is provided with a guide plate.

8. A cross-flow washable pleated filter cartridge assembly according to claim 4, characterized in that: The bottom of the cover plate (11) is provided with a limiting mechanism.

9. A cross-flow washable pleated filter cartridge assembly according to claim 8, characterized in that: The limiting mechanism includes a connecting rod (15) and a limiting plate (16). The connecting rod (15) is located at the bottom of the cover plate (11), and one end of the connecting rod (15) is fixedly connected to the limiting plate (16).

10. A cross-flow washable pleated filter cartridge assembly according to claim 9, characterized in that: The limiting plate (16) is an arc-shaped structure, and the inner wall of the limiting plate (16) is in contact with the outer wall of the ceramic membrane (8).

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