CN212476209U - Reverse osmosis filter core and water purification unit - Google Patents

Abstract

The utility model discloses a reverse osmosis filter core and water purification unit, include: a shell, which is provided with a water inlet, a water outlet and a waste water port; the adapter is positioned in the shell, a first sealing ring is arranged between the adapter and the shell, a water inlet channel, a water outlet channel and a wastewater channel are formed between the adapter and the shell, and the water inlet channel is communicated with the water inlet; the water outlet channel is communicated with the water outlet; the waste water channel is communicated with the waste water port; the lower part of the adapter is provided with a collecting cavity which is communicated with the water inlet channel; the central pipe is arranged in the shell and is communicated with the water outlet channel, and a plurality of communicating holes are formed in the central pipe; the reverse osmosis membrane is wound on the central tube, the top end of the reverse osmosis membrane is positioned in the collecting cavity, the bottom end and the side wall of the reverse osmosis membrane form a connecting channel with the shell, and the connecting channel is communicated with the wastewater channel. The utility model discloses can provide the safe water.

Description

Reverse osmosis filter core and water purification unit

Technical Field

The utility model relates to a water purification unit technical field especially relates to a reverse osmosis filter core and water purification unit.

Background

Along with the improvement of the requirements of people on the quality of drinking water, a pure water system gradually enters a drinking water system of every family. The purifier in the existing market generally adopts the reverse osmosis filter core, and the reverse osmosis filter core can filter impurity such as organic matter, colloid, bacterium, virus in the raw water, especially has high filtration efficiency to impurity such as inorganic salt, heavy metal ion. Therefore, the reverse osmosis filter element forms a core component of the water purifier, and the filtering effect of the water purifier is directly related to that of the reverse osmosis filter element. The reverse osmosis filter core includes the center tube and twines the reverse osmosis membrane bag on the center tube, and the raw water passes through the reverse osmosis filter core along the direction axial that is on a parallel with the center tube axis, has some water to form the pure water in the pure water guide layer that water entering reverse osmosis membrane bag through reverse osmosis membrane in the stroke.

In chinese patent application No.: 201620491497.6 discloses a reverse osmosis membrane cartridge. When the technical scheme is used, raw water easily enters the central tube, so that the use is influenced, and the water treatment device is to be further improved.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem of at least one aspect that exists among the background art, the utility model provides a reverse osmosis filter core and water purification unit, it is effectual.

The utility model provides a reverse osmosis filter core, include:

a shell, which is provided with a water inlet, a water outlet and a waste water port;

the adapter is positioned in the shell, a first sealing ring is arranged between the adapter and the shell, a water inlet channel, a water outlet channel and a wastewater channel are formed between the adapter and the shell, and the water inlet channel is communicated with the water inlet; the water outlet channel is communicated with the water outlet; the waste water channel is communicated with the waste water port; the lower part of the adapter is provided with a collecting cavity which is communicated with the water inlet channel;

the central pipe is arranged in the shell and is communicated with the water outlet channel, and a plurality of communicating holes are formed in the central pipe;

the reverse osmosis membrane is wound on the central tube, the top end of the reverse osmosis membrane is positioned in the collecting cavity, the bottom end and the side wall of the reverse osmosis membrane form a connecting channel with the shell, and the connecting channel is communicated with the wastewater channel.

Preferably, a second sealing ring is arranged between the reverse osmosis membrane and the adapter.

Preferably, the housing comprises:

the water inlet, the water outlet and the waste water port are positioned on the filter base;

and the filter bottle is detachably connected with the filter base.

This filter core still includes:

the cover plate is arranged on the filter base, and three through holes corresponding to the water inlet, the water outlet and the wastewater outlet are formed in the cover plate;

and the third sealing rings are positioned between the three through holes and the water inlet, the water outlet and the wastewater outlet.

Preferably, a water purification device comprises the reverse osmosis filter element.

Preferably, the water purifying equipment further comprises a water path plate, and a water inlet plug, a water outlet plug and a waste water plug which correspond to the water inlet, the water outlet and the waste water port are arranged on the water path plate.

Preferably, the water purifying apparatus further comprises a limiting member movably connected to the waterway plate, the limiting member having a first position and a second position, wherein,

when the limiting piece is located at the first position, the limiting piece is used for avoiding the filter element;

when the limiting piece is located at the second position, the limiting piece and the waterway plate surround to form a limiting space, and the filter element is located in the limiting space; and the water inlet plug, the water outlet plug and the waste water plug are respectively positioned in the water inlet, the water outlet and the waste water port.

Preferably, the housing is provided with a clamping part, and the clamping part is provided with a first matching surface;

the limiting piece is provided with a pressing part which is provided with a first pressing surface; when the limiting piece is located at the second position, the first pressing surface can be in contact with the first matching surface to apply acting force towards the direction of the water circuit board to the first matching surface.

Preferably, the clamping part is provided with a second matching surface;

the pressing part is provided with a second pressing surface; when the limiting piece is located at the second position, the second pressing surface can be in contact with the second matching surface to apply acting force to the second matching surface in the length direction of the reverse osmosis filter element.

Preferably, the number of the clamping parts is two, and the clamping parts are distributed on two sides of the shell; the number of the pressing and holding parts is two, and the pressing and holding parts correspond to the two clamping parts.

The utility model discloses a beneficial effect that an aspect was brought is:

outside water enters the water inlet channel through the water inlet and then enters the collecting cavity. After being filtered by the reverse osmosis membrane, the formed pure water enters the central pipe through the communicating hole and then is discharged from the water outlet channel and the water outlet.

The formed waste water is discharged through the connecting channel, the waste water channel and the waste water port.

Through the design of adapter, first sealing washer, collection chamber, when raw water passes through the water inlet, the water inlet channel gets into, can directly not get into in the central tube. Avoid the raw water to omit and filter, can effectually utilize reverse osmosis membrane to filter, can provide the safe water.

Drawings

Fig. 1 is a schematic structural diagram of a filter element disclosed by the present invention;

fig. 2 is a cross-sectional view of a filter cartridge according to the present disclosure;

fig. 3 is an enlarged schematic view of the utility model at a in fig. 2;

fig. 4 is a side view of the filter base of the present disclosure;

fig. 5 is a schematic structural diagram of the filter element disclosed by the present invention;

fig. 6 is a schematic structural view of the filter base disclosed in the present invention;

fig. 7 is a schematic structural view of the filter base disclosed in the present invention;

fig. 8 is a schematic structural view of the filter base disclosed in the present invention;

fig. 9 is a schematic structural diagram of a water circuit board and a filter element of the water inlet device disclosed by the utility model;

fig. 10 is a schematic structural view of the waterway plate disclosed in the present invention;

fig. 11 is a schematic structural view of a position limiting member disclosed in the present invention;

fig. 12 is a schematic structural view of a limiting member and a filter base disclosed in the present invention;

fig. 13 is a schematic structural view of the limiting member and the filter base of the present invention.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments in the present application may be combined with each other; the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left" and "right" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the indicated position or element must have a specific orientation, be constituted in a specific orientation, and be operated, and thus, are not to be construed as limitations of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Embodiment 1, referring to fig. 1-8, the utility model provides a reverse osmosis filter core, include:

a shell 1, which is provided with a water inlet 103, a water outlet 104 and a waste water port 105; may be located on the same side of the housing 1 to facilitate connection to the external water circuit board 10.

Adapter 2 is located in the casing 1, adapter 2 with be provided with first sealing washer 3 between the casing 1, combine figure 3, can set up corresponding quantity, position as required. A water inlet channel 201, a water outlet channel 202 and a wastewater channel 203 are formed between the adapter 2 and the shell 1, and the water inlet channel 201 is communicated with the water inlet 103; the water outlet passage 202 is communicated with the water outlet 104; the waste water passage 203 communicates with the waste water port 105; the lower part of adapter 2 is equipped with collection chamber 204, and this collection chamber 204 with inhalant canal 201 intercommunication.

And a central tube 4 disposed in the housing 1, wherein the top end of the central tube is communicated with the water outlet channel 202, and a plurality of communication holes 401 are disposed on the central tube 4.

Reverse osmosis membrane 5, the winding is in on the center tube 4, just, reverse osmosis membrane 5's top is located in collect the chamber 204, this reverse osmosis membrane 5's bottom and lateral wall with casing 1 forms interface channel 6, this interface channel 6 with waste water channel 203 intercommunication. The central tube 4 and the reverse osmosis membrane 5 can be made of the existing products.

The external raw water, as indicated by the hollow arrow in fig. 2, enters the water inlet channel 201 through the water inlet 103, and then enters the collection chamber 204. After being filtered by the reverse osmosis membrane 5, the formed pure water enters the central tube 4 through the communication hole 401 and then is discharged from the water outlet channel 202 and the water outlet 104.

The formed waste water is discharged through the connecting passage 6, the waste water passage 203 and the waste water port 105.

Through the design of adapter 2, first sealing washer 3, collection chamber 204, when raw water enters through water inlet 103, inhalant canal 201, can directly not get into in the center tube 4. Avoid the raw water to omit and filter, can filter by effectual utilization reverse osmosis membrane 5, can provide the safe water.

Further, a second sealing ring 7 is arranged between the reverse osmosis membrane 5 and the adapter 2. The number of the second seal rings 7 may be plural. Can be arranged at corresponding positions according to requirements. The second sealing ring 7 is arranged to prevent water in the collecting cavity 204 from directly entering the central tube 4 and the water outlet channel 202. Can be effectual through reverse osmosis membrane 5 filtration, avoid omitting, guarantee safe water.

Further, the housing 1 includes:

the water inlet 103, the water outlet 104 and the waste water port 105 are positioned on the filter base 101, and are conveniently connected with an external water circuit board 10; and the filter bottle 102 is detachably connected with the filter base 101. Convenient to be disassembled and replaced.

Further, this filter core still includes:

the cover plate 8 is arranged on the filter base 101, and three through holes 801 corresponding to the water inlet 103, the water outlet 104 and the waste water port 105 are formed in the cover plate 8; and the third sealing ring 9 is positioned among the three through holes 801, the water inlet 103, the water outlet 104 and the wastewater outlet 105. Three through holes 801 are provided to facilitate connection with the external water circuit board 10. The third sealing ring 9 is arranged to avoid water leakage when the filter element is connected with the external water circuit board 10.

Embodiment 2, with reference to fig. 1 to 13, this embodiment further discloses a water purification apparatus including the reverse osmosis filter cartridge of embodiment 1. Can effectively provide safe water.

Further, referring to fig. 9 and 10, the water purifying apparatus further includes a water path plate 10, and the water path plate 10 is provided with a water inlet plug 1011, a water outlet plug 1012, and a waste water plug 1013 corresponding to the water inlet 103, the water outlet 104, and the waste water outlet 105. When the water inlet plug 1011, the water outlet plug 1012 and the waste water plug 1013 are connected to the water inlet 103, the water outlet 104 and the waste water outlet 105 of the filter element, so that the filter element and the water path plate 10 can be conveniently matched for use.

External raw water can enter the filter element through the water inlet plug 1011, one corresponding through hole 801 and the water inlet 103, and after filtration, the formed pure water enters the water channel plate 10 through the water outlet 104, the other corresponding through hole 801 and the water outlet plug 1012 and is discharged from the water channel plate 10. The resulting waste water is discharged from the waste water via the waste water port 105, the further corresponding through hole 801, and the waste water plug 1013. The filter element and the waterway plate 10 are convenient to be integrated for use.

Further, this water purification unit still includes locating part 13, this locating part 13 with water route board 10 swing joint can rotate the connection. The limiting member 13 has a first position and a second position, wherein,

when the limiting member 13 is located at the first position, the limiting member 13 is used for avoiding the filter element.

When the limiting piece 13 is located at the second position, the limiting piece 13 and the water channel plate 10 enclose to form a limiting space, and the filter element is located in the limiting space; and the water inlet plug 1011, the water outlet plug 1012 and the waste water plug 1013 are respectively located in the water inlet 103, the water outlet 104 and the waste water port 105.

The limiting member 13 may be U-shaped, and the opening thereof faces the waterway plate 10, and is rotatably connected to the waterway plate 10.

Referring to fig. 9, 10 and 11, in use, the limiting member 13 is rotated to make the limiting member 13 located at the first position. And a filter element is arranged, so that the water inlet 103, the water outlet 104 and the waste water port 105 are respectively connected with the water inlet plug 1011, the water outlet plug 1012 and the waste water plug 1013. Then, the limiting member 13 is rotated to make the limiting member 13 located at the second position, so that the inner surface of the limiting member 13 contacts with the filter base 101, thereby preventing the filter element from being accidentally separated from the water path plate 10 and improving the safety.

With reference to fig. 8 and 11, further, the housing 1 is provided with an engaging portion 11, and the engaging portion 11 has a first engaging surface 1101;

a pressing part 12 is arranged on the limiting part 13, and the pressing part 12 is provided with a first pressing surface 1201; when the limiting member 13 is in the second position, the first pressing surface 1201 can contact the first mating surface 1101 to apply a force to the first mating surface 1101 in a direction toward the water passage board 10.

After the filter element and the waterway plate 10 are installed, the limiting member 13 is rotated to make the first pressing surface 1201 contact with the first matching surface 1101, so as to apply a certain acting force to compress the filter element and avoid leakage.

With reference to fig. 8 and 11, further, the engaging portion 11 has a second engaging surface 1102, which may be adjacent to the first engaging surface 1101 and may be perpendicular to each other; cooperate to form a gamma-like curved surface.

The pressure holding portion 12 has a second pressure holding surface 1202; when the retaining member 13 is in the second position, the second pressing surface 1202 can contact the second mating surface 1102 to apply a force to the second mating surface 1102 in a direction toward the length of the reverse osmosis filter element. The second clamping surfaces 1202 may be adjacent to the first clamping surface 1201 and may be perpendicular to each other. Form a "" like "" curved surface.

After the filter element and the water channel plate 10 are installed, the limiting member 13 is rotated to make the second pressing surface 1202 contact with the second matching surface 1102, a certain acting force is applied to compress the filter element, the filter element is prevented from moving along the length direction of the filter element, and leakage is avoided.

Further, the number of the clamping parts 11 is two, and the clamping parts are distributed on two sides of the shell 1; the number of the pressing portions 12 is two, and corresponds to the two engaging portions 11. Better acting force is applied, and leakage is better avoided.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (10)

1. A reverse osmosis cartridge, comprising:

a shell, which is provided with a water inlet, a water outlet and a waste water port;

the adapter is positioned in the shell, a first sealing ring is arranged between the adapter and the shell, a water inlet channel, a water outlet channel and a wastewater channel are formed between the adapter and the shell, and the water inlet channel is communicated with the water inlet; the water outlet channel is communicated with the water outlet; the waste water channel is communicated with the waste water port; the lower part of the adapter is provided with a collecting cavity which is communicated with the water inlet channel;

the central pipe is arranged in the shell and is communicated with the water outlet channel, and a plurality of communicating holes are formed in the central pipe;

the reverse osmosis membrane is wound on the central tube, the top end of the reverse osmosis membrane is positioned in the collecting cavity, the bottom end and the side wall of the reverse osmosis membrane form a connecting channel with the shell, and the connecting channel is communicated with the wastewater channel.

2. The reverse osmosis filter element of claim 1, wherein a second seal ring is disposed between the reverse osmosis membrane and the adapter.

3. The reverse osmosis cartridge of claim 1 or 2, wherein the housing comprises:

the water inlet, the water outlet and the waste water port are positioned on the filter base;

and the filter bottle is detachably connected with the filter base.

4. A reverse osmosis filter cartridge according to claim 3 further comprising:

the cover plate is arranged on the filter base, and three through holes corresponding to the water inlet, the water outlet and the wastewater outlet are formed in the cover plate;

and the third sealing rings are positioned between the three through holes and the water inlet, the water outlet and the wastewater outlet.

5. A water purification apparatus comprising the reverse osmosis cartridge of any one of claims 1 to 4.

6. The water purifying apparatus of claim 5, further comprising a water path plate, wherein the water path plate is provided with a water inlet plug, a water outlet plug and a waste water plug corresponding to the water inlet, the water outlet and the waste water port.

7. The water purification apparatus of claim 6, further comprising a limiting member movably connected to the waterway plate, the limiting member having a first position and a second position, wherein,

when the limiting piece is located at the first position, the limiting piece is used for avoiding the filter element;

when the limiting piece is located at the second position, the limiting piece and the waterway plate surround to form a limiting space, and the filter element is located in the limiting space; and the water inlet plug, the water outlet plug and the waste water plug are respectively positioned in the water inlet, the water outlet and the waste water port.

8. The water purifying apparatus of claim 7, wherein the housing is provided with a locking portion having a first mating surface;

the limiting piece is provided with a pressing part which is provided with a first pressing surface; when the limiting piece is located at the second position, the first pressing surface can be in contact with the first matching surface to apply acting force towards the direction of the water circuit board to the first matching surface.

9. The water purifying apparatus of claim 8, wherein the engaging portion has a second engaging surface;

the pressing part is provided with a second pressing surface; when the limiting piece is located at the second position, the second pressing surface can be in contact with the second matching surface to apply acting force to the second matching surface in the length direction of the reverse osmosis filter element.

10. The water purifying apparatus according to claim 8 or 9, wherein the number of the engaging portions is two, and the engaging portions are distributed on both sides of the housing; the number of the pressing and holding parts is two, and the pressing and holding parts correspond to the two clamping parts.

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