Filtering assembly and filtering device thereof

Abstract

The utility model discloses a filtering assembly and a filtering device thereof, comprising: a separator, a first cavity, at least one second cavity and a third cavity which are separated from each other are arranged in the separator, an inlet and an outlet are arranged on the separator, the inlet is communicated with the first cavity, and the outlet is communicated with the third cavity; the two ultrafiltration membranes are arranged in a U shape, one end of one ultrafiltration membrane extends into the first cavity, the other end of the ultrafiltration membrane extends into the second cavity, one end of the other ultrafiltration membrane extends into the second cavity, and the other end of the other ultrafiltration membrane extends into the third cavity. According to the utility model, the glue filling times and parts are reduced through the structure of the U-shaped sub-cavity, so that the purposes of simplifying the manufacturing process and reducing the production cost are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of water purification devices, in particular to a filtering component and a filtering device thereof. Background Art

[0002] The traditional purification system is mainly composed of PP cotton, carbon rods, ultrafiltration membrane, RO membrane and post-carbon. PP cotton can filter general large particles, carbon rods can absorb odors and residual chlorine and other substances, ultrafiltration membrane purification is used for users' water purification taps, and ultrafiltration membrane surface flushing water is used as RO membrane raw water. The replacement cycle of PP cotton in this system is 3 months, the replacement cycle of carbon rods is 6 months, the replacement cycle of ultrafiltration membrane is 1 year, and the replacement cycle of RO membrane is 2 years. The ultrafiltration membrane filaments in this system are not effectively rinsed, so the ultrafiltration membrane generally needs to be replaced in less than 1 year of use. The RO membrane raw water is only primarily filtered by PP cotton and carbon rods, and the water quality has not been significantly improved, especially in areas with poor water quality. Therefore, the RO membrane in many areas needs to be replaced in less than 2 years, resulting in poor filtering and purification effect of the overall purification system and a short service life.

[0003] At present, some filter elements use chamber division technology to improve efficiency, but the chamber division structure is complicated and both the upper and lower end covers need chamber division and glue injection, which makes the manufacturing process complicated and the production cost high. Utility Model Content

[0004] In view of the above-mentioned problems existing in the existing water purifiers, the present invention aims to provide a filter assembly and a filter device which can solve the problems of multiple glue filling of filter elements with chamber technology, complex manufacturing process and high production cost. The U-shaped chamber structure is used to reduce the number of glue filling times and the number of parts, thereby simplifying the manufacturing process and reducing production costs.

[0005] The specific technical solutions are as follows:

[0006] A filter assembly, comprising:

[0007] A separator, wherein the separator has a first cavity, at least one second cavity and a third cavity separated from each other, and the separator has an inlet and an outlet, the inlet is connected to the first cavity, and the outlet is connected to the third cavity;

[0008] At least two ultrafiltration membranes are arranged in a U shape, one end of one ultrafiltration membrane extends into the first cavity, and the other end of the ultrafiltration membrane extends into the second cavity, one end of another ultrafiltration membrane extends into the second cavity, and the other end of another ultrafiltration membrane extends into the third cavity.

[0009] In the above-mentioned filter assembly, the separator is fixedly connected to the outer periphery of the ends of the two ultrafiltration membranes through a connecting piece.

[0010] The above-mentioned filter assembly, wherein the partition comprises: an upper cover and a partition cover, the partition cover has a first partition rib inside, the first partition rib has a slot, the upper cover has a second partition rib inside, and the second partition rib is snap-connected with the slot.

[0011] In the above-mentioned filter assembly, the upper cover and the connecting member are divided into the first cavity, at least one second cavity and the third cavity by the second dividing rib.

[0012] A filtering device comprises any one of the filtering components mentioned above, and further comprises: a shell, wherein the filtering component is arranged in the shell, and the shell has a water inlet, a water purification port and a flushing port, the water inlet is connected to the inlet, the flushing port is connected to the outlet, a purification chamber is formed in the shell, the ultrafiltration membrane is located in the purification chamber, and the water purification port is connected to the purification chamber.

[0013] The above-mentioned filtering device, wherein a support cylinder is provided in the shell, and two ends of the support cylinder are respectively connected to the partition and the shell;

[0014] The support tube separates the water purification chamber, and the water purification chamber includes a first water purification chamber and a second water purification chamber;

[0015] The first water purification chamber is formed between the connecting member, the inner wall of the supporting tube and the end of the shell;

[0016] The second water purification chamber is formed between the outer wall of the support tube, the inner wall of the shell and the outer wall of the partition;

[0017] The side wall of the support tube is provided with a plurality of openings, the first water purification chamber is connected with the second water purification chamber through the plurality of openings, the first water purification chamber is connected with the outlet, and the second water purification chamber is connected with the water purification outlet.

[0018] In the above-mentioned filtering device, a plurality of blocks are provided on the side wall of the partition, one end of the support tube has a plurality of slots, the plurality of blocks are respectively snap-fitted with the plurality of slots, and the other end of the support tube abuts against the shell.

[0019] The above-mentioned filtering device, wherein the separator comprises a first convex ring and a second convex ring, and the second convex ring is located on the outer periphery of the first convex ring;

[0020] The inlet is formed in the first convex ring, and the outlet is formed between the second convex ring and the first convex ring.

[0021] The above-mentioned filtering device, wherein the housing has a third convex ring and a fourth convex ring, and the fourth convex ring is located on the outer periphery of the third convex ring;

[0022] The third convex ring is connected to the first convex ring and sealed, the inside of the first convex ring is connected to the inside of the third convex ring, and the water inlet is connected to the inside of the third convex ring;

[0023] The fourth convex ring is connected to the second convex ring and sealed, and the fourth convex ring and the third convex ring are respectively connected to the outlet and the flushing port.

[0024] The above-mentioned filtering device, wherein the shell includes: an upper shell and a bottom cover, the upper shell is detachably connected to the bottom cover, the water inlet, the flushing port and the clean water port are all arranged on the upper shell, and the support tube rests on the bottom cover.

[0025] Compared with the prior art, the above technical solution has the following positive effects:

[0026] The utility model places the ultrafiltration membrane in the front position, reduces the number of filtration stages without reducing the filtration effect, and can reduce the volume of the whole machine. The ultrafiltration membrane is an internal pressure hollow fiber membrane, which is easy to rinse and has a large water flow rate. It is also made into a modular filter element, which is convenient for users to replace by themselves. It is different from the inconvenience of requiring professional personnel to replace the ultrafiltration membrane on site in the past. It meets the needs of more consumers, and the service life of the ultrafiltration membrane can be longer. It is particularly suitable for the use of RO machines in areas with high water pollution.

[0027] The utility model can reduce the number of core replacements by users, from replacing PP cotton every 3 months, carbon rods every 6 months, ultrafiltration membranes every 1 year, and RO membranes every 2 years to replacing them every 2 years, without affecting water quality standards.

[0028] The utility model transforms the original purification chamber into several ultrafiltration membrane purification chambers, increases the length of the ultrafiltration membrane, increases the surface flow rate of the ultrafiltration membrane under the condition of unchanged water volume, increases the flushing intensity, reduces the flushing water by at least 75% compared with the traditional flushing method, and effectively prolongs the life of the ultrafiltration membrane and RO;

[0029] The utility model adopts a U-shaped cavity structure to reduce the number of glue fillings and parts, thereby simplifying the manufacturing process and reducing the production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a side view of the overall structure of a filter device of the utility model;

[0031] Figure 2 The utility model is a filtering device Figure 1 Cross-sectional view in the AA direction;

[0032] Figure 3 The utility model is a filtering device Figure 1 Cross-sectional view in the BB direction;

[0033] Figure 4 This is a front view of the overall structure of a filter device of the utility model;

[0034] Figure 5 The utility model is a filtering device Figure 3 The cross-sectional view in CC direction;

[0035] Figure 6 This is a structural schematic diagram of a filter assembly of the utility model;

[0036] Figure 7 This is a schematic diagram of the exploded structure of a filter assembly of the utility model;

[0037] In the accompanying drawings: 1. separator; 2. ultrafiltration membrane; 3. connector; 4. shell; 11. first cavity; 12. second cavity; 13. third cavity; 14. inlet; 15. outlet; 16. upper cover; 17. separator cover; 18. first separator rib; 19. slot; 20. second separator rib; 41. water inlet; 42. water purification port; 43. flushing port; 44. purification chamber; 45. support cylinder; 46. first water purification chamber; 47. second water purification chamber; 48. through port; 51. block; 52. slot; 61. first convex ring; 62. second convex ring; 63. third convex ring; 64. fourth convex ring; 71. upper shell; 72. bottom cover. DETAILED DESCRIPTION

[0038] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.

[0039] like Figures 1 to 7 As shown, a filtering component of a preferred embodiment is shown, comprising: a separator 1 and at least two ultrafiltration membranes 2, the separator 1 having a first cavity 11, at least a second cavity 12 and a third cavity 13 separated from each other, the separator 1 having an inlet 14 and an outlet 15, the inlet 14 being connected to the first cavity 11, the outlet 15 being connected to the third cavity 13, the two ultrafiltration membranes 2 being arranged in a U shape, one end of one ultrafiltration membrane 2 extending into the first cavity 11, the other end of the ultrafiltration membrane 2 extending into the second cavity 12, one end of the other ultrafiltration membrane 2 extending into the second cavity 12, the other end of the other ultrafiltration membrane 2 extending into the third cavity 13.

[0040] Further, as a preferred embodiment, the separator 1 is fixedly connected to the outer periphery of the ends of the two ultrafiltration membranes 2 through the connecting member 3 .

[0041] Furthermore, as a preferred embodiment, the partition 1 includes: an upper cover 16 and a partition cover 17 , the partition cover 17 has a first partition rib 18 therein, the first partition rib 18 has a slot 19 thereon, the upper cover has a second partition rib 20 therein, and the second partition rib 20 is snap-connected with the slot 19 .

[0042] Further, as a preferred embodiment, the upper cover 16 and the connecting member 3 are divided into a first cavity 11 , at least one second cavity 12 and a third cavity 13 by a second dividing rib 20 .

[0043] The above are only preferred embodiments of the present invention, and are not intended to limit the implementation methods and protection scope of the present invention.

[0044] The utility model also has the following implementation methods based on the above:

[0045] In further embodiments of the present invention, please continue to refer to Figures 1 to 7 As shown, a filtering device includes the above-mentioned filtering component, and also includes: a shell 4, the filtering component is arranged in the shell 4, the shell 4 has a water inlet 41, a water purification port 42 and a flushing port 43, the water inlet 41 is connected with the inlet 14, the flushing port 43 is connected with the outlet 15, a purification chamber 44 is formed in the shell 4, the ultrafiltration membrane 2 is located in the purification chamber 44, and the water purification port 42 is connected with the purification chamber 44.

[0046] In a further embodiment of the present invention, a support tube 45 is provided in the shell 4 , and two ends of the support tube 45 are connected to the partition 1 and the shell 4 respectively.

[0047] In a further embodiment of the present invention, the support tube 45 separates the water purification chamber 44 , and the water purification chamber 44 includes a first water purification chamber 46 and a second water purification chamber 47 .

[0048] In a further embodiment of the present invention, a first water purification chamber 46 is formed between the connecting member 3 , the inner wall of the supporting tube 45 and the end of the shell 4 .

[0049] In a further embodiment of the present invention, a second water purification chamber 47 is formed between the outer wall of the support tube 45 , the inner wall of the shell 4 and the outer wall of the partition 1 .

[0050] In a further embodiment of the utility model, a plurality of openings 48 are provided on the side wall of the support tube 45 , the first water purification chamber 46 is connected with the second water purification chamber 47 through the plurality of openings 48 , the first water purification chamber 46 is connected with the outlet 15 , and the second water purification chamber 47 is connected with the water purification port 42 .

[0051] In a further embodiment of the utility model, a plurality of blocks 51 are provided on the side wall of the partition 1, one end of the support tube 45 has a plurality of slots 52, the plurality of blocks 51 are respectively snap-fitted with the plurality of slots 52, and the other end of the support tube 45 abuts against the shell 4.

[0052] In a further embodiment of the present invention, the separator 1 has a first convex ring 61 and a second convex ring 62 , and the second convex ring 62 is located on the outer periphery of the first convex ring 61 .

[0053] In a further embodiment of the present invention, an inlet 14 is formed in the first convex ring 61 , and an outlet 15 is formed between the second convex ring 62 and the first convex ring 61 .

[0054] In a further embodiment of the present invention, a third convex ring 63 and a fourth convex ring 64 are provided in the housing 4 , and the fourth convex ring 64 is located on the outer periphery of the third convex ring 63 .

[0055] In a further embodiment of the utility model, the third convex ring 63 is connected to the first convex ring 61 and sealed, the inside of the first convex ring 61 is connected to the inside of the third convex ring 63 , and the water inlet 41 is connected to the inside of the third convex ring 63 .

[0056] In a further embodiment of the present invention, the fourth convex ring 64 is connected to the second convex ring 62 and sealed, and the fourth convex ring 64 and the third convex ring 63 are respectively connected to the outlet 15 and the flushing port 43 .

[0057] In a further embodiment of the utility model, the shell 4 includes: an upper shell 71 and a bottom cover 72, the upper shell 71 is detachably connected to the bottom cover 72, the water inlet 41, the flushing port 43 and the water purification port 42 are all arranged on the upper shell 71, and the support tube 45 is against the bottom cover 72.

[0058] The utility model places the ultrafiltration membrane 2 in the front position, reduces the number of filtration stages without reducing the filtration effect, and can reduce the volume of the entire machine. The ultrafiltration membrane 2 is an internal pressure hollow fiber membrane, which is easy to rinse and has a large water flow rate. It is made into a modular filter element, which is convenient for users to replace by themselves. It is different from the previous inconvenience of requiring professional personnel to replace it on site. The needs of more consumers are met, the service life of the ultrafiltration membrane can be longer, and it is particularly suitable for use in RO machines in areas with high water pollution.

[0059] The utility model can reduce the number of core replacements by users, from replacing PP cotton every 3 months, carbon rods every 6 months, ultrafiltration membranes every 1 year, and RO membranes every 2 years to replacing them every 2 years, without affecting water quality standards.

[0060] The utility model transforms the original purification chamber into several ultrafiltration membrane purification chambers, increases the length of the ultrafiltration membrane, increases the surface flow rate of the ultrafiltration membrane under the condition of unchanged water volume, increases the flushing intensity, reduces the flushing water by at least 75% compared with the traditional flushing method, and effectively prolongs the life of the ultrafiltration membrane and RO.

[0061] The utility model adopts a U-shaped cavity structure to reduce the number of glue fillings and parts, thereby simplifying the manufacturing process and reducing the production cost.

[0062] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A filter assembly, characterized in that: include: A separator, wherein the separator has a first cavity, at least one second cavity and a third cavity separated from each other, and the separator has an inlet and an outlet, the inlet is connected to the first cavity, and the outlet is connected to the third cavity; At least two ultrafiltration membranes are arranged in a U shape, one end of one ultrafiltration membrane extends into the first cavity, and the other end of the ultrafiltration membrane extends into the second cavity, one end of another ultrafiltration membrane extends into the second cavity, and the other end of another ultrafiltration membrane extends into the third cavity.

2. The filter assembly according to claim 1, characterized in that: The separator is fixedly connected to the outer peripheries of the ends of the two ultrafiltration membranes through a connecting piece.

3. The filter assembly according to claim 2, characterized in that: The partition member comprises an upper cover and a partition cover, wherein the partition cover is provided with a first partition rib, the first partition rib is provided with a clamping groove, and the upper cover is provided with a second partition rib, the second partition rib is clamped with the clamping groove.

4. The filter assembly according to claim 3, characterized in that: The upper cover and the connecting member are divided into the first cavity, at least one second cavity and the third cavity by the second dividing rib.

5. A filtering device, characterized in that: The filter component comprises the filter component as described in any one of claims 2 to 4, and further comprises: a shell, the filter component is arranged in the shell, the shell has a water inlet, a water purification port and a flushing port, the water inlet is connected with the inlet, the flushing port is connected with the outlet, a purification chamber is formed in the shell, the ultrafiltration membrane is located in the purification chamber, and the water purification port is connected with the purification chamber.

6. The filtering device according to claim 5, characterized in that: A support tube is provided in the shell, and two ends of the support tube are respectively connected to the partition and the shell; The support tube separates the purification chamber, and the purification chamber includes a first water purification chamber and a second water purification chamber; The first water purification chamber is formed between the connecting member, the inner wall of the supporting tube and the end of the shell; The second water purification chamber is formed between the outer wall of the support tube, the inner wall of the shell and the outer wall of the partition; The side wall of the support tube is provided with a plurality of openings, the first water purification chamber is connected with the second water purification chamber through the plurality of openings, the first water purification chamber is connected with the outlet, and the second water purification chamber is connected with the water purification outlet.

7. The filtering device according to claim 6, characterized in that: A plurality of card blocks are arranged on the side wall of the partition, one end of the support tube has a plurality of card slots, the plurality of card blocks are respectively snap-fitted with the plurality of card slots, and the other end of the support tube abuts against the shell.

8. The filtering device according to claim 5, characterized in that: A first convex ring and a second convex ring on the separator, wherein the second convex ring is located at the outer periphery of the first convex ring; The inlet is formed in the first convex ring, and the outlet is formed between the second convex ring and the first convex ring.

9. The filtering device according to claim 8, characterized in that: The housing has a third convex ring and a fourth convex ring, and the fourth convex ring is located on the outer periphery of the third convex ring; The third convex ring is connected to the first convex ring and sealed, the inside of the first convex ring is connected to the inside of the third convex ring, and the water inlet is connected to the inside of the third convex ring; The fourth convex ring is connected to the second convex ring and sealed, and the fourth convex ring and the third convex ring are respectively connected to the outlet and the flushing port.

10. The filtering device according to claim 6, characterized in that: The shell comprises: an upper shell and a bottom cover, the upper shell is detachably connected to the bottom cover, the water inlet, the flushing port and the water purification port are all arranged on the upper shell, and the support tube is against the bottom cover.

Images