CN219409362U

CN219409362U - RO filtration system with one-way valve

Info

Publication number: CN219409362U
Application number: CN202320259589.1U
Authority: CN
Inventors: 魏恩雨
Original assignee: Tianjin Yuanzhi Environmental Protection Technology Co ltd
Current assignee: Tianjin Yuanzhi Environmental Protection Technology Co ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-07-25
Anticipated expiration: 2033-02-20

Abstract

The utility model discloses an RO (reverse osmosis) filtering system with a one-way valve, which comprises a shell, wherein an end cover is arranged at the top end of the shell in a sealing way, a protection seat is arranged at the bottom of the shell in a sealing way through a screw, a water-blocking sleeve is arranged at the top end in the shell in a screw way, an RO membrane is arranged between the water-blocking sleeve and the protection seat, a central tube is arranged at the center of the RO membrane, a wastewater cover is arranged at the inner top of the end cover in a screw way, a pure water cover is arranged at the inner bottom of the end cover in the screw way, and the top part of the central tube is positioned in the pure water cover. According to the RO filter system with the one-way valve, when the RO machine produces water, the valve core is lifted upwards, purified water is discharged from the central hole, when the RO machine stops producing water, the valve core returns under the force of the spring, the valve body is sealed with the sealing surface of the central hole, meanwhile, the pressure of the pressure barrel acts on the valve body, the purified water channel is disconnected with the waste water channel, and the water in the pressure barrel is prevented from being discharged from the waste water end through the RO membrane, so that the RO filter system is suitable for being widely popularized and used.

Description

RO filtration system with one-way valve

Technical Field

The utility model relates to the technical field of RO filtration, in particular to an RO filtration system with a one-way valve.

Background

RO reverse osmosis is one of the current high-end water purification modes, the filtering precision is about 0.1 nanometer, and the wastewater is filtered by reverse osmosis to form pure water which can be directly drunk.

Patent application No. 202021123261.X discloses a domestic central RO reverse osmosis water purification system that can reduce the flux level of the first RO reverse osmosis filter, greatly reducing the replacement cost of the RO membranes.

At present, the one-way valve of the RO filter system is arranged outside the RO filter system, the external one-way valve is a membrane flap one-way valve, and when the reverse pressure is too high, the membrane flap is damaged, so that water in the pressure barrel of the RO machine flows out from the waste water end, and the use is influenced.

Disclosure of Invention

The utility model mainly aims to provide an RO (reverse osmosis) filtering system with a one-way valve, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the RO filter system with the one-way valve comprises a shell, wherein an end cover is arranged at the top end of the shell in a sealing way, a protection seat is arranged at the bottom of the shell in a sealing way through a screw, a water separation sleeve is arranged at the inner top end of the shell in a sealing way through a screw, an RO membrane is arranged between the water separation sleeve and the protection seat, a central tube is arranged at the center of the RO membrane, a wastewater cover is arranged at the inner top of the end cover in a screw way, a pure water cover is arranged at the inner bottom of the end cover in a screw way, a valve sleeve is arranged at the inner top of the central tube in the pure water cover in a screw way, a spring is embedded in the valve sleeve, a valve core is welded at the bottom of the spring, and the valve core is arranged at the inner bottom of the valve sleeve and used for sealing the inner part and the outer part of the central tube; the valve sleeve is provided with a groove for installing a valve sleeve sealing ring to seal with the central tube, the valve core is arranged in the valve sleeve, the valve core bottom is used for sealing the inner part and the outer part of the central tube when being attached to the valve sleeve bottom, the spring is arranged on the valve core, and the valve core is used for descending in the valve sleeve to drive the valve core to move downwards.

Further, the pure water cover is positioned in the water isolation sleeve, a channel for the waste water cover to pass through is formed in the top of the water isolation sleeve, and the bottom of the waste water cover penetrates through the water isolation sleeve to be communicated with the pure water cover; a water purifying channel is formed between the waste water cover and the shell, and a water purifying channel is formed in front of the waste water cover and the water isolating sleeve.

Further, an end cover sealing ring is arranged at the top of the periphery of the end cover through a reserved groove, and a pure water sealing ring is arranged at the periphery of the top of the pure water cover through a reserved groove.

Further, the top of the periphery of the waste water cover is provided with a first water purification sealing ring through a reserved groove, and the periphery of the waste water cover is provided with a second water purification sealing ring through a reserved groove.

Further, a valve sleeve sealing ring is arranged at the bottom of the periphery of the valve sleeve through a reserved groove, and a waste water cover sealing ring is arranged at the periphery of the end part, close to the waste water cover, of the water blocking sleeve through the reserved groove.

Compared with the prior art, the utility model has the following beneficial effects:

the check valve assembly is arranged at the outlet of the water purifying end of the RO filter core, when the RO machine produces water, the valve core is lifted upwards, purified water is discharged from the central hole, when the RO machine stops producing water, the valve core returns under spring force, the valve body is sealed with the sealing surface of the central hole, meanwhile, the pressure of the pressure barrel acts on the valve body, the water purifying waterway is disconnected with the wastewater waterway, and the water in the pressure barrel is prevented from being discharged from the wastewater end through the RO membrane.

Drawings

Fig. 1 is a schematic cross-sectional view of an RO filter system with a check valve according to the present utility model.

FIG. 2 is a schematic cross-sectional view of a pure water cap of an RO filtration system with a check valve according to the present utility model.

Fig. 3 is a schematic diagram of a protection seat structure of an RO filtering system with a check valve according to the present utility model.

In the figure: 1. a housing; 2. an end cap; 3. a central tube; 4. a valve core; 5. a pure water cover; 6. a valve sleeve; 7. a waste water cover sealing ring; 8. an end cover sealing ring; 9. a first water purifying sealing ring; 10. a pure water seal ring; 11. a spring; 12. a valve sleeve seal ring; 13. RO membrane; 14. a protection seat; 15. a second water purifying sealing ring; 16. a waste water cover; 17. the water-proof sleeve.

Description of the embodiments

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1, 2 and 3, the RO filtering system with the one-way valve comprises a shell 1, wherein an end cover 2 is arranged at the top end of the shell 1 in a sealing way, a protection seat 14 is arranged at the bottom of the shell 1 in a sealing way through screws, a water blocking sleeve 17 is arranged at the inner top end of the shell 1 in a sealing way through screws, an RO membrane 13 is arranged between the water blocking sleeve 17 and the protection seat 14, a central tube 3 is arranged at the center of the RO membrane 13, a waste water cover 16 is arranged at the inner top of the end cover 2 in a sealing way through screws, a pure water cover 5 is arranged at the inner bottom of the end cover 2 in the sealing way through screws, the top of the central tube 3 is positioned in the pure water cover 5, a valve sleeve 6 is arranged at the inner top of the central tube 3 in a sealing way through screws, a spring 11 is embedded in the valve sleeve 6, a valve core 4 is welded at the bottom of the spring 11, and the valve core 4 is positioned at the inner bottom of the valve sleeve 6 for sealing the inner part and the outer part of the central tube 3; the valve housing 6 at one end of the one-way valve assembly is arranged on the RO membrane center hole, the pure water cover 5 at the other end is arranged on the waste water cover 16, and the other end of the waste water cover 16 forms a seal with the sealing ring on the RO membrane 13 center.

The pure water cover 5 is located in the water blocking sleeve 17, a channel for the waste water cover 16 to pass through is formed in the top of the water blocking sleeve 17, and the bottom of the waste water cover 16 penetrates through the water blocking sleeve 17 to be communicated with the pure water cover 5.

In this embodiment, as shown in fig. 1, a water purifying passage is formed between the waste water cover 16 and the housing, and a water purifying passage is formed before the waste water cover 16 and the water blocking sleeve 17.

The top of the periphery of the end cover 2 is provided with an end cover sealing ring 8 through a reserved groove, and the periphery of the top of the pure water cover 5 is provided with a pure water sealing ring 10 through a reserved groove.

In this embodiment, as shown in fig. 1, a pure water cover 5 is mounted on a waste water cover 16, and a pure water cover sealing ring 10 is arranged on the pure water cover 5 for sealing the pure water to prevent the waste water from flowing with the pure water.

The top of the periphery of the waste water cover 16 is provided with a first water purifying sealing ring 9 through a reserved groove, and the periphery of the waste water cover 16 is provided with a second water purifying sealing ring 15 through a reserved groove.

In this embodiment, as shown in fig. 1, the inner hole at the other end of the waste water cover 16 is connected with the RO membrane central tube 3, and the outer side is sealed with the sealing ring on the central tube 3 to prevent water from flowing into the purified water.

Wherein, valve pocket 6 periphery bottom is installed valve pocket sealing washer 12 through the reservation groove, water jacket 17 is close to the tip periphery of waste water lid 16 and is installed waste water lid sealing washer 7 through the reservation groove.

In this embodiment, as shown in fig. 1, the sealing ring 7 of the waste water cover can improve the sealing performance of the waste water cover 16, and the valve core 4 in the valve sleeve 6 is connected with the inner hole of the central tube 3.

When the RO membrane 13 produces water, the water purifying of the central tube 3 of the RO membrane 13 pushes the valve core 4 to compress the spring 11, at the moment, the water purifying flows through the water purifying waterway of the waste water cover 16 through the pure water cover 5, the water purifying waterway is formed by the waste water cover 16 and the end cover 2, after the water production is finished, the water flowing pressure of the pressure barrel acts on the valve core 4, the valve core 4 of the spring 11 moves downwards, the lower end surface of the valve core 4 contacts with the bottom surface of the inner hole of the valve sleeve 6 and is sealed, the pressure balance of the water purifying in the central tube 3, the waste water in the waste water cover 16 and the water before the internal filtering of the RO membrane 13 and the shell 1 is isolated, at the moment, the waterway at two sides of the valve core 4 is sealed through the valve core 4, and the phenomenon of water flowing is avoided.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. RO filtration system with one-way valve, comprising a housing (1), characterized in that: the utility model discloses a water purifier, including casing (1), lid (2), lid (5) are installed through the screw to casing (1), and casing (1) bottom has protection seat (14) through screw seal installation, casing (1) interior top has water proof sleeve (17) through the screw installation, and is provided with RO membrane (13) between water proof sleeve (17) and the protection seat (14), RO membrane (13) center is provided with center tube (3), waste water lid (16) are installed through the screw to top in lid (2), and pure water lid (5) are installed through the screw in end lid (2), center tube (3) top is located pure water lid (5), valve pocket (6) are installed through the screw to top in center tube (3), valve pocket (6) are embedded to be equipped with spring (11), and the welding of spring (11) bottom has case (4), case (4) are located valve pocket (6) interior bottom for the inside and outside of center tube (3) seal.

2. An RO filtration system with a one-way valve according to claim 1 in which: the pure water cover (5) is positioned in the water isolation sleeve (17), a channel for the waste water cover (16) to pass through is formed in the top of the water isolation sleeve (17), and the bottom of the waste water cover (16) penetrates through the water isolation sleeve (17) to be communicated with the pure water cover (5).

3. An RO filtration system with a one-way valve according to claim 1 in which: an end cover sealing ring (8) is arranged at the top of the periphery of the end cover (2) through a reserved groove, and a pure water sealing ring (10) is arranged at the periphery of the top of the pure water cover (5) through a reserved groove.

4. An RO filtration system with a one-way valve according to claim 1 in which: the top of the periphery of the waste water cover (16) is provided with a first water purifying sealing ring (9) through a reserved groove, and the periphery of the waste water cover (16) is provided with a second water purifying sealing ring (15) through a reserved groove.

5. An RO filtration system with a one-way valve according to claim 1 in which: the peripheral bottom of valve pocket (6) is equipped with valve pocket sealing washer (12) through the reservation groove, the tip periphery that water proof jacket (17) is close waste water lid (16) is equipped with waste water lid sealing washer (7) through the reservation groove.