CN219730627U

CN219730627U - Novel filter component and filter element

Info

Publication number: CN219730627U
Application number: CN202321082433.7U
Authority: CN
Inventors: 林声安
Original assignee: Filterpur Environmental Protection Technology Co ltd
Current assignee: Filterpur Environmental Protection Technology Co ltd
Priority date: 2023-05-06
Filing date: 2023-05-06
Publication date: 2023-09-22
Anticipated expiration: 2033-05-06

Abstract

The utility model relates to the technical field of water treatment devices, and relates to a novel filter assembly and a filter element, wherein the filter assembly is arranged in the filter element, the filter assembly comprises a filter material module, the filter material module comprises a central tube and a reverse osmosis membrane layer wound on the periphery of the central tube, one end of the reverse osmosis membrane layer is provided with a raw water input end, the other end of the reverse osmosis membrane layer is provided with a waste water output end, a filter material seat cover is arranged at the waste water output end, a first inner cavity and a connecting part for collecting waste water are arranged in the filter material seat cover, and the central tube is arranged in the connecting part; the center tube is equipped with the second inner chamber, is located the waste water hole of center tube perisporium, and the waste water hole communicates between first inner chamber and second inner chamber, is equipped with the one-way water guide structure that is located the waste water hole downside in the center tube, and one-way water guide structure is used for guiding waste water one-way filter media module and leading out waste water, and waste water can not flow back to the center tube through one-way water guide structure in to the problem that first cup water TDS value is higher in the water purification unit is effectively solved.

Description

Novel filter component and filter element

Technical Field

The utility model relates to the technical field of water treatment devices, in particular to a novel filter assembly and a filter element.

Background

At present, the TDS value in raw water is basically reduced through water purifying equipment and pure water equipment so as to obtain pure water with better water quality or pure water capable of being directly drunk. In the existing water purifying equipment and water purifying equipment, the RO reverse osmosis filter core is mostly adopted for filtering raw water, and due to the characteristics of the reverse osmosis filter core, when the water purifying equipment is stopped, the wastewater in the reverse osmosis filter core and high TDS value solutes in the raw water can permeate to the pure water end, so that the TDS value of the pure water end is increased, and the condition that the TDS value of the first cup of water is too high can occur in the existing pure water.

The utility model is researched and proposed for overcoming the defects of the prior art.

Disclosure of Invention

Aiming at the problem that the TDS value of the first cup of pure water is too high in the prior water purifying equipment.

The technical scheme adopted for solving the technical problems is as follows:

the embodiment provides a novel filter assembly, which comprises a filter material module, wherein the filter material module comprises a central tube and a reverse osmosis membrane layer wound on the periphery of the central tube, one end of the reverse osmosis membrane layer is provided with a raw water input end, the other end of the reverse osmosis membrane layer is provided with a waste water output end, the waste water output end is provided with a filter material seat cover, a first inner cavity and a connecting part for collecting waste water are arranged in the filter material seat cover, and the central tube is arranged in the connecting part; the central tube is provided with a second inner cavity and a waste water hole positioned on the peripheral wall of the central tube, the waste water hole is communicated between the first inner cavity and the second inner cavity, a one-way water guide structure positioned on the lower side of the waste water hole is arranged in the central tube, and the one-way water guide structure is used for guiding waste water to be unidirectionally far away from the filter material module and guiding out the waste water.

The novel filtering component comprises a mounting seat and a one-way valve body arranged in the mounting seat, wherein the mounting seat comprises a first mounting cavity arranged in the mounting seat and a first limiting part arranged at the end part, and the first mounting cavity is used for accommodating the one-way valve body; the mounting seat is correspondingly connected to one end of the central tube, and the mounting position of the mounting seat relative to the central tube is limited through the first limiting part.

The novel filter assembly is characterized in that the first groove is formed in the periphery of the mounting seat, and the first sealing ring is arranged in the first groove.

The novel filter assembly is characterized in that the waterproof gasket is arranged between the mounting seat and the connecting portion, the waterproof gasket is provided with the matching portion extending towards the upper side of the waterproof gasket, the matching portion is correspondingly matched and connected with the mounting seat, and the matching portion is arranged on the lower side of the one-way valve body.

The novel filter assembly is characterized in that the second limiting part is further arranged in the mounting seat and used for limiting the mounting position of the one-way valve body relative to the mounting seat.

The novel filtering component is characterized in that the peripheral wall of the central tube is also provided with the pure water hole positioned at the upper side of the waste water hole, and the reverse osmosis membrane layer is internally provided with a first pure water channel communicated with the pure water hole and a first waste water channel communicated with the waste water output end; the central tube is internally provided with an interlayer, the interlayer is used for separating the second inner cavity into a second pure water channel communicated with the pure water hole and a second waste water channel communicated with the waste water hole, and the unidirectional water guide structure is arranged at the tail end of the second waste water channel.

The novel filtering component is characterized in that the pure water holes are formed in a plurality of positions and are arranged at intervals along the length direction of the central tube, and the interlayer is arranged between the pure water holes close to the waste water holes and the waste water holes.

The novel filtering component is characterized in that the filtering material seat cover is further provided with a waste water outlet communicated with the unidirectional water guide structure, and the waste water outlet is used for guiding out waste water.

The novel filter assembly comprises the connecting part, wherein the connecting part comprises the sleeve connected with the filter base cover, a second installation cavity communicated with the unidirectional water guide structure is formed in the sleeve, the central tube is inserted into the second installation cavity, a second groove opposite to the sleeve is further formed in the central tube, and a second sealing ring is arranged in the second groove.

The utility model also provides a filter element comprising a filter assembly as described above.

Compared with the prior art, the utility model has the following advantages:

the filter assembly is arranged in the filter element and is used for filtering purified water and pure water and discharging wastewater; the raw water input end is used for inputting raw water for the reverse osmosis membrane layer, wastewater formed after filtration of the reverse osmosis membrane layer flows into the first inner cavity from the wastewater output end and flows into the central tube through the wastewater hole, the first inner cavity can temporarily store wastewater, when the wastewater level rises to the wastewater hole, the wastewater flows into the central tube through the wastewater hole, so that the wastewater is far away from the wastewater output end, the wastewater can be effectively prevented from flowing back through the wastewater output end and penetrating into pure water in the reverse osmosis membrane layer, and is led out through the unidirectional water guide structure to be led out from the filter material module, and the wastewater cannot flow back into the central tube through the unidirectional water guide structure, so that the problem that the TDS value of first cup of water in the water purification equipment is higher is effectively solved, the TDS value of pure water in the reverse osmosis membrane layer is kept at a lower level, the use is facilitated for users, and the user experience is optimized.

The utility model will be further described with reference to the drawings and detailed description.

Drawings

FIG. 1 is an exploded view of a filter assembly of the present utility model;

FIG. 2 is a side view of the filter assembly of the present utility model;

fig. 3 is a sectional view a-a in fig. 2.

Detailed Description

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-3, the utility model provides a filter element, which comprises a novel filter element, wherein the filter element comprises a filter element module 1, the filter element module 1 comprises a central tube 11 and a reverse osmosis membrane layer 12 wound on the periphery of the central tube 11, one end of the reverse osmosis membrane layer 12 is provided with a raw water input end, the other end of the reverse osmosis membrane layer is provided with a waste water output end 121, a filter element seat cover 2 is arranged at the waste water output end 121, a first inner cavity 21 for collecting waste water and a connecting part 22 are arranged in the filter element seat cover 2, and the central tube 11 is arranged in the connecting part 22; the central tube 11 is provided with a second inner cavity 111 and a waste water hole 112 positioned on the peripheral wall of the central tube 11, the waste water hole 112 is communicated between the first inner cavity 21 and the second inner cavity 111, the central tube 11 is internally provided with a one-way water guide structure 3 positioned on the lower side of the waste water hole 112, and the one-way water guide structure 3 is used for guiding waste water to be unidirectionally far away from the filter material module 1 and guiding the waste water.

In this embodiment, the filter component is installed in the filter element, in practical application, the unidirectional water guiding structure 3 is near the bottom of the filter element, and the filter component is used for filtering clean water, pure water and discharging waste water; the outside of the reverse osmosis membrane layer 12 is provided with a waterproof protection film, the raw water input end and the waste water output end 121 are respectively arranged at two ends of the reverse osmosis membrane layer 12, the raw water input end is used for inputting raw water into the reverse osmosis membrane layer 12, waste water formed after filtration by the reverse osmosis membrane layer 12 flows into the first inner cavity 21 from the waste water output end 121, the waste water hole 112 is positioned at the lower side of the waste water output end 121, the waste water hole 112 is communicated between the first inner cavity 21 and the second inner cavity 111, the one-way water guide structure 3 is communicated with the second inner cavity 111, waste water in the first inner cavity 21 can flow into the central pipe 11 through the waste water hole 112, and is output by the one-way water guide structure 3, the waste water is led away from the filter material module 1 and is led out through the one-way water guide structure 3, the waste water cannot flow back into the central pipe 11 through the one-way water guide structure 3, in practical application, the filter assembly is vertically arranged in the filter element, the first inner cavity 21 can temporarily store the liquid level, and the waste water can flow into the central pipe 11 through the waste water guide structure 112 when the waste water is far away from the waste water output end 121, and the waste water can flow out of the central pipe 11 through the waste water guide structure 112, and the waste water can flow out of the waste water guide structure 12 through the waste water guide hole 121 when the waste water is far from the central pipe 11; through the arrangement, the problem that the TDS value of the first cup of water in the water purifying equipment is higher can be effectively solved, so that the TDS value of the pure water in the reverse osmosis membrane layer 12 is kept at a lower level, the use is convenient for a user, and the user experience is optimized.

Preferably, the unidirectional water guiding structure 3 includes a mounting seat 31 and a unidirectional valve body 32 disposed in the mounting seat 31, the mounting seat 31 includes a first mounting cavity 311 disposed in the mounting seat and a first limiting portion 312 disposed at an end portion, and the first mounting cavity 311 is used for accommodating the unidirectional valve body 32; the mounting seat 31 is correspondingly connected to one end of the central tube 11, and the mounting position of the mounting seat 31 relative to the central tube 11 is limited by the first limiting portion 312. As shown in fig. 1-3, in this embodiment, the mounting seat 31 is in interference fit with the central tube 11, the mounting seat 31 is mounted in the second inner cavity 111, the first limiting portion 312 extends from the bottom of the mounting seat 31 towards the periphery to form a positioning step, and when assembled, the first limiting portion 312 abuts against the bottom of the central tube 11 so as to position the mounting seat 31 in the central tube 11, and the connection structure between the mounting seat 31 and the central tube 11 is simple, easy to assemble and disassemble, and low in production cost; further preferably, the first limiting portion 312 and the mounting seat 31 are integrally formed, so that the manufacturing process is simple and the production cost is low; in addition, the check valve 32 can adopt standard check valve, and the commonality is high, the sealing washer can also be installed to the outer wall of check valve 32 to promote the leakproofness between check valve 32 and the mount pad 31, further prevent the water leakage.

Specifically, a first groove 314 is formed on the outer periphery of the mounting seat 31, and a first sealing ring 41 is disposed in the first groove 314. As shown in fig. 3, in this embodiment, in order to enable the mounting seat 31 to be detached and replaced, an assembly gap exists between the mounting seat 31 and the inner wall of the central tube 11, so a first groove 314 opposite to the inner wall of the central tube 11 is provided on the outer periphery of the mounting seat 31, and a first sealing ring 41 is provided in the first groove 314 to prevent water leakage, thereby enhancing the tightness of the filter assembly; further preferably, the first sealing ring 41 is a rubber ring, which is easy to purchase and obtain, and when the mounting seat 31 is assembled, the mounting stability of the mounting seat 31 is enhanced by the pretightening force of the first sealing ring 41.

Preferably, a waterproof gasket 5 is disposed between the mounting seat 31 and the connecting portion 22, the waterproof gasket 5 is provided with a mating portion 51 extending toward the upper side thereof, the mating portion 51 is correspondingly connected with the mounting seat 31 in a mating manner, and the mating portion 51 is disposed on the lower side of the check valve body 32. Further, a second limiting portion 313 is further disposed in the mounting seat 31, and the second limiting portion 313 is used for limiting the mounting position of the check valve body 32 relative to the mounting seat 31. As shown in fig. 1 to 3, in this embodiment, the check valve body 32 is mounted in the mounting seat 31, the waterproof gasket 5 is disposed at a lower portion of the mounting seat 31, a water passing port communicating with the unidirectional water guiding structure 3 is disposed in the waterproof gasket 5, so that waste water flows out, an outer periphery of the water passing port extends toward an upper side of the waterproof gasket 5 to form the fitting portion 51, when the waterproof gasket is assembled, the fitting portion 51 is connected with the mounting seat 31 in an interference fit manner and extends into the first mounting cavity 311, the waterproof gasket 5 abuts against the first limiting portion 312, the second limiting portion 313 is opposite to the fitting portion 51 and is located at an upper portion of the check valve body 32, and a mounting position of the check valve body 32 in the mounting seat 31 is positioned by the second limiting portion 313 and the fitting portion 51, so that mounting stability of the check valve body 32 is enhanced; in other embodiments, the second limiting portion 313 extends towards the center along the inner wall of the mounting seat 31 to form a positioning boss for positioning the check valve body 32, and the second limiting portion 313 and the mounting seat 31 are integrally formed, so as to facilitate improving the assembly efficiency of the filter assembly and reducing the production cost; in other embodiments, the bottom of the first limiting portion 312 may be provided with an annular clamping groove, and the waterproof gasket 5 is further provided with a convex ring correspondingly matched with the annular clamping groove, so as to enhance the connection stability between the waterproof gasket 5 and the mounting seat 31, and the waterproof gasket is simple in structure, easy to produce and implement, and low in production cost.

Preferably, the peripheral wall of the central tube 11 is further provided with a pure water hole 113 located at the upper side of the waste water hole 112, and the reverse osmosis membrane layer 12 is provided with a first pure water channel communicated with the pure water hole 113 and a first waste water channel communicated with the waste water output end 121; the central tube 11 is further provided with a partition 114, the partition 114 is used for dividing the second inner cavity 111 into a second pure water channel 1111 communicated with the pure water hole 113 and a second waste water channel 1112 communicated with the waste water hole 112, and the unidirectional water guide structure 3 is arranged at the tail end of the second waste water channel 1112. As shown in fig. 3, in this embodiment, the reverse osmosis membrane layer 12 preferably adopts a standard RO membrane, so that the versatility is high, and the separation layer 114 is provided in the central tube 11 to separate the second pure water channel 1111 and the second waste water channel 1112, so that the utilization rate of the central tube 11 is increased, and pure water is output from one end of the central tube 11, and waste water is output from the other end of the central tube 11, so that pure water is prevented from being polluted due to mixing of pure water and waste water in the central tube 11; further preferably, the partition 114 and the central tube 11 are preferably integrally formed, so that the production cost is low and the sealing performance is high.

Specifically, the pure water holes 113 are provided with a plurality of pure water holes 113 and are arranged at intervals along the length direction of the central tube 11, and the partition 114 is arranged between the pure water holes 113 near the waste water holes 112 and the waste water holes 112. In this embodiment, the plurality of pure water holes 113 are provided in the central tube 11, so that the efficiency of conveying pure water into the central tube 11 through the first pure water channel in the reverse osmosis membrane layer 12 can be improved, and the output of pure water from the central tube 11 can be further improved.

Preferably, the filter base cover 2 is further provided with a waste water outlet 23 communicated with the unidirectional water guiding structure 3, and the waste water outlet 23 is used for guiding out waste water. In this embodiment, as shown in fig. 3, the waste water outlet 23 may be configured as a waste water port, which is convenient for connecting with a water pipe, a faucet, etc. to facilitate draining waste water.

Preferably, the connecting portion 22 includes a sleeve 221 connected to the filter base cover 2, a second installation cavity 222 communicating with the unidirectional water guiding structure 3 is provided in the sleeve 211, the central tube 11 is inserted into the second installation cavity 222, the central tube 11 is further provided with a second groove 115 opposite to the sleeve 221, and a second sealing ring 42 is provided in the second groove 115. As shown in fig. 3, in the present embodiment, in the filter base cover 2, the outer periphery of the waste water outlet 23 is provided with the sleeve 221, so that the center tube 11 can be inserted into the sleeve 221, and the installation is easy; in addition, in order to enhance the connection sealability between the center tube 11 and the sleeve 221, the outer wall of the center tube 11 is provided with the second groove 115 to mount the second seal ring 42; through filter media seat lid 2 will filter media module 1 integral erection is in the filter core, and check valve body 32 is close to the bottom of filter core, and is convenient filter component's dismouting, just filter media seat lid 2's upper portion with reverse osmosis membrane layer 12 is connected, makes around forming between filter media seat lid 2 and the reverse osmosis membrane layer 12 first inner chamber 21, just waste water output 121 stretches into in the first inner chamber 21, first inner chamber 21 can collect the temporary storage follow waste water that flows in the waste water output 121, avoid waste water to leak.

The foregoing examples are provided to further illustrate the technical contents of the present utility model for the convenience of the reader, but are not intended to limit the embodiments of the present utility model thereto, and any technical extension or re-creation according to the present utility model is protected by the present utility model. The protection scope of the utility model is subject to the claims.

Claims

1. The novel filtering component is characterized by comprising a filtering material module (1), wherein the filtering material module (1) comprises a central tube (11) and a reverse osmosis membrane layer (12) wound on the periphery of the central tube (11), one end of the reverse osmosis membrane layer (12) is provided with a raw water input end, the other end of the reverse osmosis membrane layer is provided with a waste water output end (121), a filtering material seat cover (2) is arranged at the waste water output end (121), a first inner cavity (21) for collecting waste water and a connecting part (22) are arranged in the filtering material seat cover (2), and the central tube (11) is installed in the connecting part (22); the utility model discloses a filter material module, including filter material module (1), filter material module, center tube (11), waste water hole (112) that are equipped with second inner chamber (111), are located center tube (11) perisporium, waste water hole (112) between first inner chamber (21) and second inner chamber (111) are communicated to waste water hole (112), be equipped with one-way water guide structure (3) that are located waste water hole (112) downside in center tube (11), one-way water guide structure (3) are used for guiding waste water one-way keeping away from filter material module (1) and deriving waste water.

2. The novel filtering assembly according to claim 1, wherein the unidirectional water guiding structure (3) comprises a mounting seat (31) and a unidirectional valve body (32) arranged in the mounting seat (31), the mounting seat (31) comprises a first mounting cavity (311) arranged in the mounting seat and a first limiting part (312) arranged at the end part, and the first mounting cavity (311) is used for accommodating the unidirectional valve body (32); the mounting seat (31) is correspondingly connected to one end of the central tube (11), and the mounting position of the mounting seat (31) relative to the central tube (11) is limited through the first limiting part (312).

3. A new filter assembly according to claim 2, characterized in that the outer periphery of the mounting seat (31) is provided with a first groove (314), and a first sealing ring (41) is arranged in the first groove (314).

4. A new filter assembly according to claim 2, characterized in that a waterproof gasket (5) is arranged between the mounting seat (31) and the connecting part (22), the waterproof gasket (5) is provided with a matching part (51) extending towards the upper side thereof, the matching part (51) is correspondingly matched and connected with the mounting seat (31), and the matching part (51) is arranged at the lower side of the one-way valve body (32).

5. A novel filter assembly as claimed in claim 2, wherein a second limiting portion (313) is further provided in the mounting base (31), and the second limiting portion (313) is used for limiting the mounting position of the unidirectional valve body (32) relative to the mounting base (31).

6. A novel filter assembly according to claim 1, wherein the peripheral wall of the central tube (11) is further provided with a pure water hole (113) positioned on the upper side of the waste water hole (112), and a first pure water channel communicated with the pure water hole (113) and a first waste water channel communicated with the waste water output end (121) are arranged in the reverse osmosis membrane layer (12); still be equipped with interlayer (114) in center tube (11), interlayer (114) are used for with second inner chamber (111) separate into with second pure water passageway (1111) of pure water hole (113) intercommunication and with second waste water passageway (1112) of waste water hole (112) intercommunication, unidirectional water guide structure (3) are located the end of second waste water passageway (1112).

7. A novel filter assembly as claimed in claim 6, wherein the pure water holes (113) are provided in a plurality and are arranged at intervals along the length direction of the central tube (11), and the barrier (114) is provided between the pure water holes (113) adjacent to the waste water holes (112) and the waste water holes (112).

8. A new filter assembly according to claim 1, characterized in that the filter base cover (2) is further provided with a waste water outlet (23) in communication with the unidirectional water guiding structure (3), the waste water outlet (23) being used for guiding out waste water.

9. A novel filter assembly as claimed in claim 1, wherein the connecting portion (22) comprises a sleeve (221) connected with the filter base cover (2), a second installation cavity (222) communicated with the unidirectional water guiding structure (3) is arranged in the sleeve (221), the central tube (11) is inserted into the second installation cavity (222), a second groove (115) opposite to the sleeve (221) is further arranged in the central tube (11), and a second sealing ring (42) is arranged in the second groove (115).

10. A filter cartridge comprising a filter assembly according to any one of claims 1 to 9.