CN216614114U

CN216614114U - Reverse osmosis filter core device and water purifier

Info

Publication number: CN216614114U
Application number: CN202123087359.1U
Authority: CN
Inventors: 陶林兵; 杨玖林; 玄珍雨
Original assignee: Foshan Micro Midea Filter Manufacturing Co Ltd
Current assignee: Foshan Micro Midea Filter Manufacturing Co Ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-05-27
Anticipated expiration: 2031-12-09

Abstract

The utility model discloses a reverse osmosis filter element device and a water purifier, wherein the reverse osmosis filter element device comprises a shell assembly and a reverse osmosis assembly, the shell assembly is provided with an installation cavity, a raw water inlet, a waste water outlet and a pure water cavity which are communicated with the installation cavity, and the pure water cavity is provided with a pure water outlet. The reverse osmosis subassembly install in the installation cavity for carry out the infiltration to the raw water and filter in order to generate waste water and pure water, the reverse osmosis subassembly is equipped with water filtering district and pure water district, water filtering district communicates respectively the raw water inlet with the waste water discharge port, pure water district intercommunication the pure water chamber. The technical scheme of the utility model can reduce the TDS value of the filtered first cup of water.

Description

Reverse osmosis filter core device and water purifier

Technical Field

The utility model relates to the technical field of reverse osmosis filter elements, in particular to a reverse osmosis filter element device and a water purifier.

Background

In the prior art, a water purifier filters raw water into pure water by means of a reverse osmosis component in the water purifier. The reverse osmosis filter element is arranged in a shell wrapped outside the reverse osmosis filter element, and the proportion of raw water and waste water in the filter element system is far larger than that of pure water.

When the purifier is in standby state, the end of intaking is closed, and the waste water end is normally opened, and there are raw water, pure water and waste water in the inside of reverse osmosis filter core simultaneously, because the purifier is in standby state, and the booster pump is closed, because the diffusion of molecule, the ion in the waste water also can diffuse to the raw water in, reaches a balance until raw water and waste water aquatic ion for the TDS value of the raw water in the reverse osmosis filter core risees, and the TDS value is far above the raw water but is less than waste water promptly. When the water purifier is used again, the TDS value of inlet water in the membrane is high, so that the TDS value of filtered pure water is also high, the TDS value of the filtered first cup of water is high, and the drinking standard is difficult to reach.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a reverse osmosis filter element device, aiming at reducing the TDS value of filtered first cup water.

In order to achieve the above object, the present invention provides a reverse osmosis filter device, comprising:

the device comprises a shell assembly, a water inlet, a waste water outlet and a pure water cavity, wherein the shell assembly is provided with a mounting cavity, and a raw water inlet, a waste water outlet and a pure water cavity which are communicated with the mounting cavity; and

the reverse osmosis subassembly, install in the installation cavity for carry out the infiltration to the raw water and filter in order to generate waste water and pure water, the reverse osmosis subassembly is equipped with water filtering district and pure water district, water filtering district communicates respectively the raw water inlet with the waste water discharge port, pure water district intercommunication the pure water chamber.

Optionally, the housing assembly includes a first cover assembly and a second cover assembly respectively disposed at two ends of the reverse osmosis assembly, and the raw water inlet, the waste water outlet, and the pure water chamber are at least disposed on one of the first cover assembly and the second cover assembly.

Optionally, the pure water chamber is mounted on the first cover assembly, the raw water inlet and the wastewater outlet are both disposed on the second cover assembly, the first cover assembly includes a first end cover and a first connecting piece, one end of the first connecting piece is connected to the reverse osmosis assembly, the other end of the first connecting piece is open, the first end cover covers the opening to form the pure water chamber, a blocking piece is disposed on the first connecting piece to block the water filtering area and communicate with the pure water area, and a pure water outlet is disposed on the first end cover or the first connecting piece;

the second cover body assembly comprises a second end cover and a second connecting piece, the second end cover is connected with the reverse osmosis assembly, the second connecting piece is arranged between the second end cover and the reverse osmosis assembly, and a blocking part is arranged between the second connecting piece and the second end cover to separate the raw water inlet and the wastewater discharge port.

Optionally, the blocking portion includes a first blocking member disposed around the inside of the second end cap and a second blocking member disposed around the inside of the second connecting member, the first blocking member abuts against the second blocking member, and a first sealing member is disposed between the first blocking member and the second blocking member.

Optionally, a water inlet and a water drain hole are respectively formed in two sides of the second blocking piece on the second connecting piece, the water inlet is communicated with the raw water inlet and the water filtering area, and the water drain hole is communicated with the wastewater outlet and the water filtering area.

Optionally, the housing assembly further includes a filter element housing, the filter element housing is connected to the first cover assembly and the second cover assembly, and the filter element housing, the first cover assembly and the second cover assembly enclose to form the installation cavity.

Optionally, the material of the filter element shell is glass fiber reinforced plastic.

Optionally, the reverse osmosis subassembly include the center tube and the winding in the reverse osmosis spare of center tube, the center tube constitutes pure water district, reverse osmosis spare constitutes the water filtering district, be equipped with the connecting hole on the center tube, in order to communicate pure water district with the water filtering district, the center tube both ends are connected respectively first lid body subassembly and second lid body subassembly.

Optionally, a second sealing element is disposed between the center tube and the first cover assembly and between the center tube and the second cover assembly.

The utility model also provides a water purifier which is provided with a reverse osmosis water purification system, wherein the reverse osmosis water purification system of the water purifier comprises a water inlet pipeline, a pure water pipeline, a wastewater pipeline and a reverse osmosis filter element device, the reverse osmosis filter element device comprises a shell assembly and a reverse osmosis assembly, the shell assembly is provided with an installation cavity, a raw water inlet, a wastewater outlet and a pure water cavity which are communicated with the installation cavity, and the pure water cavity is provided with a pure water outlet. The reverse osmosis subassembly install in the installation cavity for carry out the infiltration to the raw water and filter in order to generate waste water and pure water, the reverse osmosis subassembly is equipped with water filtering district and pure water district, water filtering district communicates respectively the raw water inlet with the waste water discharge port, pure water district intercommunication the pure water chamber. The water inlet pipeline is communicated with the raw water inlet, the waste water pipeline is communicated with the waste water outlet, and the pure water pipeline is communicated with the pure water outlet.

According to the technical scheme, the shell assembly is internally provided with the installation cavity, the raw water inlet, the waste water outlet and the pure water cavity which are communicated with the installation cavity, and the pure water outlet is formed in the pure water cavity. And the reverse osmosis assembly is arranged in the installation cavity, the reverse osmosis assembly divides the installation cavity into a water filtering area and a pure water area, the water filtering area is respectively communicated with the raw water inlet and the waste water outlet, and the pure water area is communicated with the pure water cavity. So that the raw water inlet and the waste water outlet are directly connected with the reverse osmosis component, and a raw water cavity and a waste water cavity are omitted. Therefore, the proportion of raw water and waste water in the reverse osmosis filter element device is reduced, and only a small amount of raw water and waste water exist in the reverse osmosis assembly, the raw water inlet and the waste water outlet to generate an osmosis effect. Meanwhile, the pure water cavity is formed, so that pure water filtered by the reverse osmosis component flows into the pure water cavity firstly and then flows out of the pure water cavity. During the purifier standby, there is partial pure water to store in the pure water chamber, when treating the purifier start once more, the pure water after the filtration can flow through earlier and discharge from the pure water discharge port again in the pure water chamber for the pure water in the pure water chamber can dilute the pure water after the filtration, further reduces the TDS value of the first cup of water after the filtration, in order to reach and drink the requirement.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a cross-sectional view of one embodiment of a reverse osmosis cartridge assembly of the present invention;

FIG. 2 is an exploded view of the reverse osmosis cartridge assembly of FIG. 1;

FIG. 3 is an assembly view of a first connector and cartridge housing of the reverse osmosis cartridge assembly of FIG. 1;

FIG. 4 is an assembly view of a second connector and cartridge housing of the reverse osmosis cartridge assembly of FIG. 1;

fig. 5 is a schematic perspective view of a second end cap of the reverse osmosis filter cartridge assembly of fig. 1.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Reverse osmosis filter core device	131	First end cap
110	Shell assembly	132	First connecting piece
				111	Mounting cavity	133	Gear piece
112	Raw water inlet	140	Second cover body assembly
				113	Waste water discharge port	141	Second end cap
114	Pure water cavity	142	Second connecting piece
				115	Pure water outlet	143	Barrier section
120	Reverse osmosis module	144	First barrier
				121	Water filtering area	145	Second barrier
122	Pure water area	146	First seal member
				123	Central tube	147	Water inlet
124	Reverse osmosis member	148	Drain hole
				125	Connecting hole	150	Filter element shell
130	First cover body assembly	160	Second seal

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

In the prior art, the reverse osmosis filter element device 100 generally has two structures, one structure is that a reverse osmosis membrane is externally provided with a sealing ring to separate raw water from waste water, namely, one end of the reverse osmosis membrane is used for water inlet, the other end of the reverse osmosis membrane is used for waste water, and the central tube 123 is used for pure water outlet; the other one is sealed at the upper end and the lower end, waste hole water is reserved at the upper end cover, the water inlet hole 147 is arranged on the side surface, the lower end cover is sealed, and pure water is discharged from the central pipe 123.

However, the reverse osmosis membrane filter core is installed in filter core casing 150 after, the intake, the proportion of waste water in filter core system is far greater than the pure water, the complete machine is shut down the back, the solenoid valve that intakes is closed, the reverse osmosis membrane filter core forms a confined space, waste water in the membrane area in the filter core and the waste water of filter core inner wall and reverse osmosis membrane waste water end can mix with the raw water in the filter core and dilute, intake end TDS in whole filter core is very high like this, and this part of water is more, when waiting to start the machine once more, the solenoid valve that intakes is opened, under the effect of pressure, this part of high TDS value water that the filter core exists can filter earlier, because intake TDS value improves, the pure water TDS value of natural restart is just high, so general first glass of water is not advised to drink.

In order to reduce the TDS value of the first cup of water so that a user can directly drink the first cup of water, the utility model provides a reverse osmosis filter element device 100 which is suitable for various water purifiers.

In an embodiment of the present invention, as shown in fig. 1 and 2, the reverse osmosis filter cartridge device 100 includes a housing assembly 110 and a reverse osmosis assembly 120, the housing assembly 110 is formed with a mounting cavity 111, and a raw water inlet 112, a waste water outlet 113 and a pure water cavity 114 which are communicated with the mounting cavity 111, and the pure water cavity 114 is provided with a pure water outlet 115. The reverse osmosis module 120 is installed in the installation cavity 111 and is used for performing osmotic filtration on raw water to generate wastewater and pure water, the reverse osmosis module 120 is provided with a filtered water area 121 and a pure water area 122, the filtered water area 121 is respectively communicated with the raw water inlet 112 and the wastewater outlet 113, and the pure water area 122 is communicated with the pure water cavity 114.

Specifically, the shell assembly 110 is provided with a raw water inlet 112, a waste water outlet 113, a pure water outlet 115 and an installation cavity 111, the reverse osmosis assembly 120 is installed in the installation cavity 111, the reverse osmosis assembly 120 divides the installation cavity 111 into a water filtering area 121 and a pure water area 122, the water filtering area 121 is respectively communicated with the raw water inlet 112 and the waste water outlet 113, and the pure water area 122 is communicated with the pure water cavity 114. After water flow enters from the raw water inlet 112, the water flow directly flows into the filtering assembly for filtering, namely, a raw water cavity is not arranged, and the wastewater formed by filtering the water by the reverse osmosis assembly 120 is also directly discharged from the wastewater outlet 113, namely, the wastewater cavity is not arranged, so that when the water purifier is in a standby state, only a small amount of raw water and wastewater exist in the water filtering area in the reverse osmosis filter element device 100 to generate osmosis, and the ratio of the raw water to the wastewater is reduced. Meanwhile, a pure water cavity 114 is formed in the housing assembly 110, when the water purifier is in standby, part of pure water is stored in the pure water cavity 114, when the water purifier is started again, the filtered pure water flows through the pure water cavity 114 first and then is discharged from the pure water discharge port 115, so that the pure water in the pure water cavity 114 can dilute the filtered pure water, the TDS value of the filtered primary cup of water is further reduced, and the drinking requirement is met.

According to the technical scheme of the utility model, an installation cavity 111, a raw water inlet 112, a waste water outlet 113 and a pure water cavity 114 which are communicated with the installation cavity 111 are formed in a shell assembly 110, and a pure water outlet 115 is formed in the pure water cavity 114. The reverse osmosis module 120 is installed in the installation cavity 111, the installation cavity 111 is divided into a filtered water area 121 and a pure water area 122 by the reverse osmosis module 120, the filtered water area 121 is respectively communicated with the raw water inlet 112 and the waste water outlet 113, and the pure water area 122 is communicated with the pure water cavity 114. So that the raw water inlet 112 and the waste water outlet 113 are directly connected with the reverse osmosis module 120, and a raw water cavity and a waste water cavity are omitted. Thereby reducing the ratio of raw water and wastewater in the reverse osmosis filter cartridge device 100, and only a small amount of raw water and wastewater existing at the reverse osmosis module 120, the raw water inlet 112, and the wastewater outlet 113 generates osmosis. Meanwhile, the pure water chamber 114 is provided such that pure water filtered by the reverse osmosis module 120 flows into the pure water chamber 114 first and then flows out of the pure water chamber 114. During the purifier standby, there is some pure water to store in pure water chamber 114, when treating the purifier start again, the pure water after the filtration can flow through earlier and discharge from pure water discharge port 115 in pure water chamber 114 again for the pure water in pure water chamber 114 can dilute the pure water after the filtration, further reduces the TDS value of the first cup of water after the filtration, in order to reach and drink the requirement.

In one embodiment, referring to fig. 1 to 5, the housing assembly 110 includes a first cover assembly 130 and a second cover assembly 140 respectively disposed at two ends of the reverse osmosis module 120, and the raw water inlet 112, the waste water outlet 113 and the pure water chamber 114 are disposed at least on one of the first cover assembly 130 and the second cover assembly 140. Specifically, the raw water inlet 112, the waste water outlet 113 and the pure water chamber 114 are disposed at least on one of the first cover assembly 130 and the second cover assembly 140. That is, the raw water inlet 112, the waste water outlet 113 and the pure water chamber 114 may be disposed on the first cover assembly 130, or may be disposed on the second cover assembly 140, or two of the raw water inlet 112, the waste water outlet 113 and the pure water chamber 114 may be disposed on the first cover assembly 130, and the other one may be disposed on the second cover assembly 140, or one of the raw water inlet 112, the waste water outlet 113 and the pure water chamber 114 may be disposed on the first cover assembly 130, and the other two may be disposed on the second cover assembly 140. The positions of the raw water inlet 112, the waste water outlet 113 and the pure water chamber 114 are not limited and can be flexibly arranged.

In one embodiment, the pure water chamber 114 is installed on the first cover assembly 130, the raw water inlet 112 and the waste water outlet 113 are both disposed on the second cover assembly 140, the first cover assembly 130 includes a first end cap 131 and a first connecting member 132, one end of the first connecting member 132 is connected to the reverse osmosis assembly 120, the other end is open, the first end cap 131 covers the opening to form the pure water chamber 114, the first connecting member 132 is provided with a blocking member 133 to block the filtered water region 121 and communicate with the pure water region 122, and the first end cap 131 or the first connecting member 132 is provided with a pure water outlet 115. The second cover assembly 140 includes a second end cap 141 and a second connecting member 142, the second end cap 141 is connected to the reverse osmosis module 120, the second connecting member 142 is disposed between the second end cap 141 and the reverse osmosis module 120, and a blocking portion 143 is disposed between the second connecting member 142 and the second end cap 141 to separate the raw water inlet 112 and the waste water outlet 113.

Specifically, the pure water chamber 114 is enclosed by the first end cap 131 and the first connecting member 132, and the first connecting member 132 is provided with a blocking member 133 to block raw water and waste water from flowing into the pure water chamber 114 and polluting pure water in the pure water chamber 114. The pure water discharge port 115 may be provided in the first end cap 131 or in a side wall of the first connector 132. The second end cap 141 and the second connecting member 142 are enclosed, and a blocking portion 143 is provided between the second connecting member 142 and the second end cap 141 to separate the raw water inlet 112 and the waste water outlet 113, so as to reduce the possibility of mutual leakage between the raw water and the waste water. And the second end cap 141 and the second connecting piece 142 only enclose to form the raw water inlet 112 and the waste water outlet 113, so that the raw water inlet 112 and the waste water outlet 113 are directly connected with the reverse osmosis module 120, and the ratio of raw water to waste water is reduced. And the pure water chamber 114 is installed in the first cover assembly 130, and the scheme that the raw water inlet 112 and the wastewater outlet 113 are both disposed on the second cover assembly 140 is compared with the scheme that the raw water inlet 112, the wastewater outlet 113 and the pure water chamber 114 can be disposed on the first cover assembly 130 or the second cover assembly 140, so that the volume of the pure water chamber 114 can be arbitrarily enlarged without reserving a space for the raw water inlet 112 and the wastewater outlet 113, and the pure water occupancy can be further increased.

A blocking part 143 is disposed between the second connecting part 142 and the second end cap 141 to separate the raw water inlet 112 and the waste water outlet 113, in an embodiment, the blocking part 143 includes a first blocking part 144 annularly disposed inside the second end cap 141 and a second blocking part 145 annularly disposed inside the second connecting part 142, the first blocking part 144 abuts against the second blocking part 145, and a first sealing member 146 is disposed between the first blocking part 144 and the second blocking part 145. Specifically, the first blocking member 144 is disposed around the inside of the second end cap 141, the second blocking member 145 is disposed around the second connecting member 142, and the first blocking member 144 abuts against the second blocking member 145. Thereby separating the raw water inlet 112 and the waste water outlet 113, and having simple structure and convenient installation. And a first sealing member 146 is disposed between the first blocking member 144 and the second blocking member 145 to enhance the sealing strength of the first blocking member 144 and the second blocking member 145 and reduce the possibility of the mutual permeation of the wastewater and the raw water. Wherein, first sealing member 146 is the sealing washer, because of the simple structure of sealing washer, and easy to assemble.

In an embodiment, the second blocking member 145 of the second connecting member 142 has a water inlet 147 and a water outlet 148 respectively formed at two sides thereof, the water inlet 147 communicates the raw water inlet 112 with the filtered water region 121, and the water outlet 148 communicates the waste water outlet 113 with the filtered water region 121. Specifically, the water inlet hole 147 communicates the raw water inlet 112 with the water filtering area 121, and the water discharge hole 148 communicates the waste water discharge port 113 with the water filtering area 121. Raw water enters the water filtering area 121 through the water inlet hole 147, and waste water generated in the filtering process flows out through the water outlet hole 148. And a plurality of water inlet holes 147 are annularly disposed on the inner periphery of the second cover assembly 140 to improve the filtering efficiency. The drain hole 148 may be disposed near the axis of the reverse osmosis module 120, or a plurality of drain holes 148 may be disposed around the inner periphery of the blocking portion 143. To improve the drainage efficiency.

Referring to fig. 1 to fig. 2, in an embodiment, the housing assembly 110 further includes a filter element housing 150, the filter element housing 150 is connected to the first cover assembly 130 and the second cover assembly 140, and the filter element housing 150, the first cover assembly 130 and the second cover assembly 140 enclose to form the installation cavity 111. Specifically, the filter cartridge housing 150 surrounds the outer periphery of the reverse osmosis module 120. And one end is connected to the first cover assembly 130, and the other end is connected to the second cover assembly 140, so that the filter element housing 150, the first cover assembly 130 and the second cover assembly 140 enclose the installation cavity 111.

In order to reduce water leakage from between the filter cartridge housing 150 and the first cover assembly 130 or between the filter cartridge housing 150 and the second cover assembly 140, the first cover assembly 130 and the filter cartridge housing 150 may be integrally formed, or the first cover assembly 130 and the filter cartridge housing 150 may be integrally formed. Alternatively, the first cover assembly 130 and the second cover assembly 140 can be respectively inserted into the filter element housing 150, or the first cover assembly 130 and the second cover assembly 140 can be respectively screwed or bonded to the filter element housing 150. Or between the cartridge housing 150 and the first cap assembly 130 and between the cartridge housing 150 and the second cap assembly 140.

In one embodiment, the material of the cartridge housing 150 is fiberglass. Specifically, the glass fiber reinforced plastic is soaked with glue by glass fiber, immediately wound on the corresponding position of the filter cartridge housing 150, and cured to form glass fiber reinforced plastic, so as to connect the filter cartridge housing 150, the first cover assembly 130 and the second cover assembly 140. Not only is the connection strength between the filter cartridge housing 150 and the first cover assembly 130 and between the filter cartridge housing 150 and the second cover assembly 140 increased, but also the possibility of water leakage from between the filter cartridge housing 150 and the first cover assembly 130 or between the filter cartridge housing 150 and the second cover assembly 140 is reduced.

Referring again to fig. 1 to 2, in an embodiment, the reverse osmosis module 120 includes a central pipe 123 and a reverse osmosis element 124 wound around the central pipe 123, the central pipe 123 forms a pure water area 122, the reverse osmosis element 124 forms a filtered water area 121, a connection hole 125 is formed on the central pipe 123 to connect the pure water area 122 and the filtered water area 121, and two ends of the central pipe 123 are respectively connected to the first cover module 130 and the second cover module 140. Specifically, the reverse osmosis member 124 is wound around the central pipe 123 and is communicated with the central pipe 123 through a connecting hole 125 formed in the central pipe 123, the reverse osmosis member 124 forms a filtered water area 121, the inside of the central pipe 123 forms a purified water area 122, and the purified water area 122 is communicated with the filtered water area 121 through the connecting hole 125. When raw water enters the reverse osmosis member 124 from the raw water inlet 112, the raw water enters the filtered water region 121, the filtered water region 121 is filtered to form waste water and pure water, the waste water is discharged from the waste water outlet 113, the pure water enters the central tube 123 from the connecting hole 125, and then flows into the pure water chamber 114 from the central tube 123 and is discharged from the pure water outlet 115. The two ends of the central tube 123 are respectively connected to the first cover assembly 130 and the second cover assembly 140, and since the pure water chamber 114 is disposed on the first cover assembly 130, the second cover assembly 140 blocks one end of the central tube 123, and the other end is communicated with the pure water region 122 on the first cover assembly 130 to discharge pure water.

To reduce the possibility of pure water leakage, in one embodiment, a second sealing member 160 is disposed between the central tube 123 and the first cover assembly 130 and between the central tube 123 and the second cover assembly 140. Specifically, a second seal 160 is provided between the center tube 123 and the first cap assembly 130 to reduce the possibility of pure water leaking to the waste water discharge port 113. The second sealing member 160 is provided between the central pipe 123 and the first cover assembly 130, which reduces the possibility of pure water leaking to the filtered water area 121 and also reduces the possibility of waste water or raw water leaking to the pure water to contaminate the pure water. The second sealing member 160 is a sealing ring, which is simple in structure and convenient to install.

The present invention also provides a water purifier having a reverse osmosis water purification system including a water inlet pipeline, a pure water pipeline, a wastewater pipeline and a reverse osmosis filter element device 100, wherein the reverse osmosis filter element device 100 is constructed as described in the above embodiments, wherein the water inlet pipeline is communicated with the raw water inlet 112, the wastewater pipeline is communicated with the wastewater outlet 113, and the pure water pipeline is communicated with the pure water outlet 115. Since the water purifier adopts all the technical schemes of all the embodiments, at least all the beneficial effects brought by the technical schemes of the embodiments are achieved, and the detailed description is omitted.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A reverse osmosis cartridge assembly, comprising:

the reverse osmosis assembly is installed in the installation cavity and used for performing osmosis filtration on raw water to generate wastewater and pure water, the reverse osmosis assembly is provided with a water filtering area and a pure water area, the water filtering area is communicated with the raw water inlet and the wastewater outlet respectively, and the pure water area is communicated with the pure water cavity.

2. The reverse osmosis cartridge assembly of claim 1, wherein the housing assembly comprises a first cover assembly and a second cover assembly disposed on opposite ends of the reverse osmosis assembly, and wherein the raw water inlet, the waste water outlet, and the pure water chamber are disposed on at least one of the first cover assembly and the second cover assembly.

3. The reverse osmosis filter cartridge assembly of claim 2, wherein the pure water chamber is mounted to the first cover assembly, the raw water inlet and the wastewater outlet are both disposed on the second cover assembly, the first cover assembly comprises a first end cap and a first connector, one end of the first connector is connected to the reverse osmosis module, the other end of the first connector is open, the first end cap covers the opening to form the pure water chamber, a blocking member is disposed on the first connector to block the filtered water region and communicate with the pure water region, and a pure water outlet is disposed on the first end cap or the first connector;

4. The reverse osmosis filter cartridge assembly of claim 3, wherein the blocking portion comprises a first blocking member disposed around an interior of the second end cap and a second blocking member disposed around an interior of the second connector, the first blocking member abutting the second blocking member with a first seal disposed therebetween.

5. The reverse osmosis filter element device according to claim 4, wherein the second blocking member of the second connecting member is provided with a water inlet hole and a water outlet hole on both sides thereof, the water inlet hole communicates the raw water inlet with the filtered water region, and the water outlet hole communicates the waste water outlet with the filtered water region.

6. The reverse osmosis filter cartridge assembly of claim 2, wherein the housing assembly further comprises a filter cartridge housing, the filter cartridge housing connects the first cover assembly and the second cover assembly, and the filter cartridge housing, the first cover assembly, and the second cover assembly enclose the mounting cavity.

7. The reverse osmosis cartridge device of claim 6, wherein the cartridge housing is made of glass reinforced plastic.

8. The reverse osmosis filter cartridge device of claim 2, wherein the reverse osmosis module comprises a central tube and a reverse osmosis element wound around the central tube, the central tube forms the pure water region, the reverse osmosis element forms the filtered water region, the central tube is provided with a connecting hole to communicate the pure water region with the filtered water region, and two ends of the central tube are respectively connected with the first cover body assembly and the second cover body assembly.

9. The reverse osmosis filter cartridge assembly of claim 8, wherein a second seal member is disposed between the center tube and the first cover assembly and between the center tube and the second cover assembly.

10. A water purifier having a reverse osmosis water purification system, wherein the reverse osmosis water purification system of the water purifier comprises a water inlet line, a pure water line, a wastewater line and the reverse osmosis cartridge assembly of claims 1 to 9, the water inlet line being in communication with the raw water inlet, the wastewater line being in communication with the wastewater outlet, and the pure water line being in communication with the pure water outlet.