CN215138658U - Reverse osmosis membrane filter core barrel external member - Google Patents

Abstract

The utility model discloses a reverse osmosis membrane filter element barrel assembly, which comprises a barrel, wherein a cavity with an opening at one end is arranged in the barrel; the cylinder cover is connected to the opening end of the cylinder body; the sleeve is axially provided with a through hole and is arranged in the cavity, and a first sealing structure which is respectively connected with the sleeve and the barrel in a sealing manner is arranged between the sleeve and the barrel; the reverse osmosis membrane filter core is installed in the through hole, and a second sealing structure which is respectively connected with the reverse osmosis membrane filter core and the external member in a sealing manner is arranged between the reverse osmosis membrane filter core and the external member. According to the utility model discloses a reverse osmosis membrane filter core barrel external member, through external member of installation in the barrel that is applicable to big flux, fix the external member in the barrel with first seal structure, insert the reverse osmosis membrane filter core of little flux in the external member again, fix the reverse osmosis membrane filter core in the external member with second seal structure to make the reverse osmosis membrane filter core of little flux can normal use in the barrel of big flux, increased the commonality of barrel, reduced research and development cost and mould development cost.

Description

Reverse osmosis membrane filter core barrel external member

Technical Field

The utility model relates to a water purification technology field especially relates to a reverse osmosis membrane filter core barrel external member.

Background

Generally, when the reverse osmosis membrane filter element water purifier product aiming at large flux and small flux is researched and developed, because the diameters and the sizes of the reverse osmosis membrane filter elements with different fluxes are different, different reverse osmosis membrane filter element cylinder bodies can only be opened for assembly in the design process, so that the cylinder bodies and the components with small flux and large flux need to be developed simultaneously, and the research and development investment and the injection molding cost of the product can be greatly increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a reverse osmosis membrane filter core barrel external member, a barrel external member just can match the reverse osmosis membrane filter core of different fluxes, and the commonality is strong, and is with low costs.

According to the utility model discloses reverse osmosis membrane filter core barrel external member, include: the cylinder body is internally provided with a cavity, and one end of the cavity is provided with an opening; the cylinder cover is connected to the opening end of the cylinder body so as to seal the opening; the sleeve is arranged in the cavity, a through hole is axially formed in the sleeve, a first sealing structure is arranged between the sleeve and the cylinder, and the first sealing structure is respectively connected with the outer peripheral wall of the sleeve and the inner peripheral wall of the cylinder in a sealing manner; the reverse osmosis membrane filter core is installed in the through hole, the reverse osmosis membrane filter core with be equipped with second seal structure between the external member, second seal structure respectively with the reverse osmosis membrane filter core with external member sealing connection.

According to the utility model discloses reverse osmosis membrane filter core barrel external member has following technological effect at least: through installing a kit in the barrel that is applicable to big flux, fix it in the barrel with first seal structure, insert the reverse osmosis membrane filter core of little flux in the kit again to make the reverse osmosis membrane filter core of little flux can normally use in the barrel of big flux, increased the commonality of barrel, the cost is reduced.

According to some embodiments of the invention, the cartridge cover is connected to the cartridge body by a screw.

According to some embodiments of the utility model, first seal structure with second seal structure is the sealing washer.

According to some embodiments of the utility model, first seal structure with second seal structure will intake antrum and drainage chamber are separated into to the cavity, be equipped with raw water inlet and waste water outlet on the barrel in order to communicate respectively the intake antrum with drainage chamber.

According to some embodiments of the utility model, the external member is kept away from the one end terminal surface of cover with the barrel inner wall pastes in order to realize the axial positioning of external member, and will the drainage chamber separates into inside and outside two parts.

According to some embodiments of the utility model, the external member is kept away from the one end of cover is equipped with the open slot, in order with the inside and outside part intercommunication in drainage chamber.

According to some embodiments of the present invention, a ring column is formed by protruding inward from the side wall of the other end of the cylinder body opposite to the cylinder cover, and a pure water outlet is provided on the cylinder body and is communicated with the ring column; one end of the reverse osmosis membrane filter element, which is far away from the cylinder cover, is provided with a first positioning part, and the first positioning part is inserted into the circular column and is in sealing connection with the inner peripheral wall of the circular column.

According to some embodiments of the invention, the first location portion with the ring post passes through sealing washer sealing connection.

According to some embodiments of the utility model, the ring post internal diameter is greater than pure water delivery port aperture in order the barrel inner wall forms the locking terminal surface, first location portion right-hand member face with the locking terminal surface pastes mutually in order to realize the axial of reverse osmosis membrane filter core is spacing.

According to some embodiments of the utility model, the cover inwardly extends and forms the reference column, reference column one end is the opening, the reverse osmosis membrane filter core is close to cover one end is equipped with second location portion, second location portion inserts the reference column is hugged closely the cooperation with it and is in order to realize the axial and the radial spacing of reverse osmosis membrane filter core.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is an assembly schematic view of a reverse osmosis membrane filter cartridge body kit of an embodiment of the present invention with a cartridge cover removed;

fig. 2 is a schematic perspective exploded view of a reverse osmosis membrane cartridge body kit according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a reverse osmosis membrane cartridge kit in an embodiment of the present invention.

Reference numerals:

the device comprises a cylinder body 100, a water inlet cavity 101, a water discharge cavity 102, a raw water inlet 110, a waste water discharge outlet 120, a ring column 130, a stop end surface 131 and a pure water outlet 140;

cylinder cover 200, positioning column 210;

a kit 300, a first sealing structure 310, an open slot 320;

a reverse osmosis membrane cartridge 400, a second seal structure 401, a first positioning portion 410, a pure water passage 420, and a second positioning portion 430.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, an embodiment of the present invention provides a reverse osmosis membrane filter cartridge kit, including a cartridge 100, a cover 200, a kit 300, and a reverse osmosis membrane filter cartridge 400.

The cylinder 100 is a columnar rotary body, a cavity is arranged in the cylinder, and one end of the cavity is an opening; the cap 200 is coupled to the open end of the vessel body 100 to close the opening; the sleeve 300 is a columnar rotator provided with a through hole in the axial direction and is installed in the cavity, a first sealing structure 310 is arranged between the sleeve 300 and the cylinder 100, the first sealing structure 310 is respectively connected with the outer peripheral wall of the sleeve 300 and the inner peripheral wall of the cylinder 100 in a sealing manner, and the sleeve 300 is fixed in the cylinder 100; the reverse osmosis membrane filter element 400 is arranged in an axial through hole of the sleeve 300, a second sealing structure 401 is arranged between the reverse osmosis membrane filter element 400 and the sleeve 300, and the second sealing structure 401 is respectively in sealing connection with the reverse osmosis membrane filter element 400 and the sleeve 300 to fix the reverse osmosis membrane filter element 400 in the sleeve 300.

The embodiment of the utility model provides a reverse osmosis membrane filter core barrel external member, through external member 300 of installation in the barrel 100 that is applicable to big flux, fix external member 300 in barrel 100 with first seal structure 310, insert the reverse osmosis membrane filter core 400 of little flux in external member 300 again, fix reverse osmosis membrane filter core 400 in external member 300 with second seal structure 401, thereby make the reverse osmosis membrane filter core 400 of little flux can be in the barrel 100 that is applicable to big flux normal use, the commonality of barrel 100 has been increased, the reverse osmosis membrane filter core 400 to a plurality of different specifications simultaneously, no longer need develop a plurality of barrels 100, research and development cost and mould development cost have also been reduced.

Referring to fig. 3, in some embodiments of the present invention, the cover 200 is connected to the barrel 100 by a screw thread, which is simple in structure and easy to assemble and disassemble.

Referring to fig. 3, in some embodiments of the present invention, the first sealing structure 310 and the second sealing structure 401 are sealing rings, the first sealing structure 310 can be wound and fixed on the kit 300 by an adhesive tape, and the second sealing structure 401 can be wound and fixed on the reverse osmosis membrane filter element 400 by an adhesive tape, which is simple in structure and convenient to install.

Referring to fig. 2 and 3, in some embodiments of the present invention, the first sealing structure 310 and the second sealing structure 401 separate the cavity in the barrel 100 into the water inlet chamber 101 and the water discharge chamber 102, and can prevent the water inlet chamber 101 and the water discharge chamber 102 from channeling water each other, the water inlet chamber 101 is close to one end of the cover 200, the water discharge chamber 102 is far away from one end of the cover 200, the outer peripheral wall of the barrel 100 extends a small section of pipe outwards to form the raw water inlet 110 and communicate with the water inlet chamber 101, the outer side wall of the barrel 100 extends a small section of pipe outwards to form the waste water outlet 120 and communicate with the water discharge chamber 102, and the external pipe is convenient for water and water discharge.

Referring to fig. 3, in some embodiments of the present invention, an end surface of the sleeve 300 away from the cover 200 is attached to an inner wall of the barrel 100 to axially position the sleeve 300 and divide the drainage chamber 102 into an inner portion and an outer portion with the sleeve 300 as a boundary.

Referring to fig. 2 and 3, in some embodiments of the present invention, the end of the sleeve 300 away from the cover 200 is provided with a plurality of open slots 320, which are arranged in a ring shape to connect the inner and outer portions of the drainage cavity 102, and after the open slots 320 are provided, no matter where the waste water outlet 120 is located, it can be ensured that the water in the drainage cavity 102 can flow out from the waste water outlet 120 normally, and the water flow rate cannot be reduced due to the shielding of the end of the sleeve 300.

Referring to fig. 2 and 3, in some embodiments of the present invention, the sidewall of the other end of the cylinder 100 opposite to the cylinder cover 200 protrudes inwards to form a ring column 130, a small section of pipeline extends outwards from the outer sidewall of the cylinder 100 to form a pure water outlet 140, and the pure water outlet 140 is communicated with the ring column 130; the reverse osmosis membrane filter element 400 comprises a central tube and a reverse osmosis membrane wound on the peripheral wall of the central tube, wherein one end of the central tube, which is far away from the cylinder cover 200, extends out of the end surface of the reverse osmosis membrane to form a first positioning part 410, the other end, which is opposite to the pure water outlet 140, of the ring column 130 is provided with an opening, and the first positioning part 410 is inserted into the ring column 130 from the opening and is in sealing connection with the ring column 130; a pure water channel 420 with one end being open and the other end being closed is axially arranged in the central tube, and the pure water channel 420 extends into the annular column 130 and is communicated with the pure water outlet 140; the pipe wall of the central pipe is provided with a plurality of filtering holes communicated with the pure water channel 420; when the filtration work is carried out, raw water enters the water inlet cavity 101 from the raw water inlet 110, then enters from the end face of the reverse osmosis membrane, flows into the pure water channel 420 from the filtration hole after being filtered, then flows out from the pure water outlet 140, and then flows out from the other end of the reverse osmosis membrane, enters the drainage cavity 102, and is discharged from the wastewater discharge port 120 through the open slot 320; the sealing connection of the first positioning portion 410 to the ring column 130 prevents the wastewater and the pure water from flowing into each other.

Referring to fig. 3, in some embodiments of the present invention, the first positioning portion 410 is connected to the ring post 130 in a sealing manner through a sealing ring, which is simple in structure and good in sealing effect.

Referring to fig. 3, in some embodiments of the present invention, the inner diameter of the ring column 130 is larger than the diameter of the pure water outlet 140 to form a stop end surface 131 on the inner wall of the cylinder 100, and the right end surface of the first positioning portion 410 is attached to the stop end surface 131, so as to axially limit the reverse osmosis membrane filter element 400.

Referring to fig. 3, in some embodiments of the present invention, the cover 200 extends inward to form the positioning column 210, one end of the positioning column 210 is open, the other end is closed, the end surface of the central tube near the end of the cover 200 extending out of the reverse osmosis membrane forms a second positioning portion 430, the second positioning portion 430 is inserted into the positioning column 210, and is attached to the inner peripheral wall of the positioning column 210, and the end surface is abutted, so as to realize axial and radial spacing of the reverse osmosis membrane filter core 400.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A reverse osmosis membrane cartridge kit, comprising:

the cylinder body (100) is internally provided with a cavity, and one end of the cavity is provided with an opening;

a cartridge cover (200) connected to an open end of the cartridge body (100) to close the opening;

the sleeve (300) is installed in the cavity, a through hole is axially formed in the sleeve (300), a first sealing structure (310) is arranged between the sleeve (300) and the cylinder body (100), and the first sealing structure (310) is respectively connected with the outer peripheral wall of the sleeve (300) and the inner peripheral wall of the cylinder body (100) in a sealing mode;

reverse osmosis membrane filter core (400), install in the through-hole, reverse osmosis membrane filter core (400) with be equipped with second seal structure (401) between external member (300), second seal structure (401) respectively with reverse osmosis membrane filter core (400) with external member (300) sealing connection.

2. A reverse osmosis membrane cartridge kit according to claim 1 wherein the cartridge cover (200) is threadably connected to the cartridge body (100).

3. A reverse osmosis membrane cartridge kit according to claim 1 wherein the first seal (310) and the second seal (401) are both sealing rings.

4. A reverse osmosis membrane cartridge kit according to claim 1, wherein the first sealing structure (310) and the second sealing structure (401) divide the cavity into a water inlet chamber (101) and a water discharge chamber (102), and a raw water inlet (110) and a waste water outlet (120) are provided on the cartridge (100) to communicate with the water inlet chamber (101) and the water discharge chamber (102), respectively.

5. A reverse osmosis membrane cartridge kit according to claim 4, wherein the end face of the kit (300) remote from the cover (200) is attached to the inner wall of the cartridge (100) to axially locate the kit (300) and divide the drain chamber (102) into an inner part and an outer part.

6. A reverse osmosis membrane cartridge kit according to claim 5, wherein the end of the kit (300) remote from the cover (200) is provided with an open slot (320) to communicate the inner and outer parts of the drain chamber (102).

7. A reverse osmosis membrane cartridge kit according to claim 1, wherein the other end of the side wall of the cartridge body (100) opposite to the cartridge cover (200) protrudes inwards to form a ring column (130), the cartridge body (100) is provided with a pure water outlet (140), and the pure water outlet (140) is communicated with the ring column (130); one end, far away from the cylinder cover (200), of the reverse osmosis membrane filter element (400) is provided with a first positioning part (410), and the first positioning part (410) is inserted into the ring column (130) and is connected with the inner peripheral wall of the ring column (130) in a sealing mode.

8. A reverse osmosis membrane cartridge kit according to claim 7, wherein the first detent (410) is sealingly connected to the ring column (130) by a sealing ring.

9. A reverse osmosis membrane cartridge kit according to claim 7, wherein the inner diameter of the ring column (130) is larger than that of the pure water outlet (140) to form a stop end face (131) on the inner wall of the cartridge (100), and the right end face of the first positioning part (410) is attached to the stop end face (131) to realize axial limitation of the reverse osmosis membrane cartridge (400).

10. A cartridge kit of a reverse osmosis membrane filter cartridge according to claim 9, wherein the cartridge cover (200) extends inward to form a positioning column (210), one end of the positioning column (210) is open, a second positioning portion (430) is provided at an end of the reverse osmosis membrane filter cartridge (400) close to the cartridge cover (200), and the second positioning portion (430) is inserted into the positioning column (210) and fits closely with the positioning column to achieve axial and radial position limitation of the reverse osmosis membrane filter cartridge (400).

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