CN216909872U

CN216909872U - Large-flux membrane shell for installing reverse osmosis membrane

Info

Publication number: CN216909872U
Application number: CN202220617536.8U
Authority: CN
Inventors: 夏达锋; 顾逞涛
Original assignee: Ningbo Hidrotek Co Ltd
Current assignee: Ningbo Hidrotek Co Ltd
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2022-07-08
Anticipated expiration: 2032-03-18

Abstract

The utility model provides a large-flux membrane shell for mounting a reverse osmosis membrane, which comprises a shell body and a shell cover detachably mounted on the shell body, wherein the shell cover comprises a connecting part in threaded connection with the shell body and a screwing part integrally formed with the connecting part; a water sealing structure for sealing is arranged between the connecting part and the shell cover, the water sealing structure comprises a mounting groove arranged on the outer circumferential surface of the shell, an extrusion flange is arranged at the upper end of the mounting groove in an outward extending mode, a sealing ring is mounted in the mounting groove, an extrusion surface is arranged on the inner wall of the connecting part and faces the sealing ring, the extrusion surface can be attached to the sealing ring, and the attachment area of the extrusion surface and the sealing ring is 0.25-0.35 of the area of the sealing ring; the diameter of the connecting part is larger than that of the screwing part, and a plurality of lugs are annularly and equidistantly arranged on the outer circumferential surface of the screwing part; the large-flux membrane shell for mounting the reverse osmosis membrane overcomes the defects of poor sealing property and poor filtering effect of the conventional membrane shell.

Description

Large-flux membrane shell for installing reverse osmosis membrane

Technical Field

The utility model relates to the field of membrane shells, in particular to a large-flux membrane shell for mounting a reverse osmosis membrane.

Background

At present, people pay more and more attention to body health, and the requirement on drinking water is particularly higher and higher. The reverse osmosis water purifier can be used for purifying water in a terminal way, so that people can drink healthy and safe purified water, and the reverse osmosis water purifier is more and more popularized in the daily life field of people.

The water purifier product and the core processing unit, namely the reverse osmosis membrane, are generally made into a structure of a roll membrane according to the actual needs of use, the reverse osmosis membrane is often placed in a membrane shell, a purified water outlet and a concentrated water outlet are formed in the bottom end of the membrane shell, a shell cover is covered at the top end of the membrane shell, a raw water inlet is formed in the shell cover, a water sealing structure is not arranged on the existing membrane shell, the tightness is poor, leakage is easily caused, and the filtering effect is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to solve the problem of providing a large-flux membrane shell for mounting a reverse osmosis membrane so as to overcome the defects of poor sealing property and poor filtering effect of the conventional membrane shell.

(II) technical scheme

In order to solve the technical problem, the utility model provides a large-flux membrane shell for mounting a reverse osmosis membrane, which comprises a shell body and a shell cover detachably mounted on the shell body, wherein the shell cover comprises a connecting part in threaded connection with the shell body and a screwing part integrally formed with the connecting part; a water sealing structure for sealing is arranged between the connecting part and the shell cover, the water sealing structure comprises a mounting groove arranged on the outer circumferential surface of the shell, an extrusion flange is arranged at the upper end of the mounting groove in an outward extending manner, a sealing ring is mounted in the mounting groove, an extrusion surface is arranged on the inner wall of the connecting part towards the sealing ring and can be attached to the sealing ring, and the attachment area of the extrusion surface and the sealing ring is 0.25-0.35 of the area of the sealing ring; the diameter of the connecting part is larger than that of the screwing part, and a plurality of lugs are annularly and equidistantly arranged on the outer circumferential surface of the screwing part.

The membrane shell is provided with the water sealing structure, when the membrane shell is used, the shell cover is screwed, and the extrusion surface of the shell cover is matched with the extrusion flange to thoroughly deform the sealing ring, so that the joint of the shell cover and the shell body is sealed, and the sealing effect is good; by controlling the attaching proportion of the extrusion surface and the sealing ring and adopting a threaded connection mode for the shell cover and the shell body, the sealing ring is easier to deform thoroughly to achieve the expected sealing effect when in use, and particularly the leakage condition caused by insufficient deformation of the sealing ring can be prevented for a large-flux and large-volume shell membrane.

Furthermore, a positioning column for installing and positioning a reverse osmosis membrane is arranged at the center of the inner wall of the screwing part, a positioning ring is arranged on the outer side of the positioning column, and a plurality of reinforcing rib plates are annularly and equidistantly arranged on the outer circumference of the positioning ring.

Furthermore, the bottom of the shell is provided with a central hole for installing a central tube, and a limiting block is arranged in the central hole.

Furthermore, the bottom of the shell is provided with a purified water outlet pipe and a concentrated water outlet pipe, the purified water outlet pipe is communicated with the central hole, and the concentrated water outlet pipe is communicated with the shell.

Furthermore, the shell is provided with a raw water inlet at the top, the purified water outlet pipe and the concentrated water outlet pipe are arranged adjacently, and the raw water inlet is positioned right above the purified water outlet pipe.

Furthermore, the shell is provided with a housing at the outer sides of the purified water outlet pipe, the concentrated water outlet pipe and the raw water inlet, and the housing is arc-shaped and is provided with a downward opening.

Furthermore, the upper end of the shell is provided with a threaded portion, the threaded portion is used for being in threaded connection with the shell cover, a limiting flange is arranged on the lower portion of the threaded portion, and a plurality of reinforcing plates are arranged on the limiting flange at intervals in the circumferential direction.

Further, the line diameter of the sealing ring is larger than 40 mm.

(III) advantageous effects

The large-flux membrane shell for mounting the reverse osmosis membrane is provided with the water sealing structure, the shell cover is screwed when in use, and the extrusion surface of the shell cover is matched with the extrusion flange to thoroughly deform the sealing ring, so that the joint of the shell cover and the shell is sealed, and the sealing effect is good; through the control extrusion face and the laminating proportion of sealing washer and cap and casing adoption threaded connection mode, make the sealing washer take place thoroughly deformation and reach anticipated sealed effect more easily when using, especially to big flux and the great shell membrane of volume, can prevent the not abundant condition of revealing that leads to of sealing washer deformation, overcome the poor and poor defect of filter effect of current membrane shell leakproofness.

Drawings

FIG. 1 is a perspective view of a high flux membrane housing for mounting a reverse osmosis membrane according to the present invention;

FIG. 2 is a schematic structural view of a large flux membrane housing for mounting a reverse osmosis membrane according to the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a perspective view of a high flux membrane housing cover for mounting a reverse osmosis membrane of the present invention;

FIG. 5 is a perspective view of a high flux membrane shell housing for mounting a reverse osmosis membrane according to the present invention;

FIG. 6 is a perspective view of the interior of a large flux membrane shell housing for mounting a reverse osmosis membrane of the present invention;

the corresponding part names for the various reference numbers in the figures are: 1. a housing; 2. a shell cover; 3. a seal ring; 11. mounting grooves; 12. extruding the flange; 13. a central bore; 14. a limiting block; 15. a purified water outlet pipe; 16. a concentrated water outlet pipe; 17. a raw water inlet; 18. a housing; 19. a threaded portion; 21. a connecting portion; 22. a screwing part; 191. a limiting flange; 192. a reinforcing plate; 211. extruding surface; 221. a bump; 222. a positioning column; 223. a positioning ring; 224. and a reinforcing rib plate.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

Referring to fig. 1 to 6, the utility model provides a large flux membrane shell for installing a reverse osmosis membrane, which comprises a shell 1 and a shell cover 2 detachably installed on the shell 1, wherein the shell 1 is columnar, an installation cavity is arranged in the shell, and the installation cavity is used for installing a central tube and the reverse osmosis membrane sleeved outside the central tube.

Referring to fig. 1 and 2, the housing cover 2 includes a connection portion 21 screwed with the housing 1 and a screw portion 22 integrally formed with the connection portion 21; be provided with between connecting portion 21 and the cap 2 and be used for sealed water structure, water structure is used for sealed cap 2 and casing 1's junction, prevents to reveal, promotes the filter effect. The connecting portion 21 has a larger diameter than the screw portion 22, and a plurality of protrusions 221 are annularly and equally spaced on an outer circumferential surface of the screw portion 22 to increase friction force and facilitate screwing of the housing cover 2.

Referring to fig. 2 and 3, the water sealing structure includes a mounting groove 11 disposed on the outer circumferential surface of the housing 1, an extrusion flange 12 is disposed at the upper end of the mounting groove 11 and extends outward, a sealing ring 3 is mounted in the mounting groove 11, an extrusion surface 211 is disposed on the inner wall of the connecting portion 21 and faces the sealing ring 3, the extrusion surface 211 can be attached to the sealing ring 3, and the attachment area of the extrusion surface 211 and the sealing ring 3 is 0.25-0.35 of the area of the sealing ring 3. By controlling the attaching proportion of the extrusion surface and the sealing ring and adopting a threaded connection mode for the shell cover and the shell body, the sealing ring is easier to deform thoroughly to achieve the expected sealing effect when in use, and particularly the leakage condition caused by insufficient deformation of the sealing ring can be prevented for a large-flux and large-volume shell membrane. Wherein, when the line diameter of sealing washer 3 is greater than 40mm, the effect is more obvious.

Referring to fig. 2 and 4, a positioning column 222 for installing and positioning a reverse osmosis membrane is disposed at the center of the inner wall of the screwing part 22, a positioning ring 223 is disposed at the outer side of the positioning column 222, and a plurality of reinforcing ribs 224 are annularly and equally spaced on the outer circumference of the positioning ring 223, so that the strength can be increased, and the service life can be prolonged.

Referring to fig. 2 and 6, a central hole 13 for installing a central tube is formed at the bottom of the housing 1, and a limiting block 14 is disposed in the central hole 13.

Referring to fig. 5, the housing 1 is provided at the bottom thereof with a purified water outlet pipe 15 and a concentrated water outlet pipe 16, the purified water outlet pipe 15 is communicated with the central hole 13, and the concentrated water outlet pipe 16 is communicated with the housing 1. The shell 1 is provided with a raw water inlet 17 at the top, the purified water outlet pipe 15 and the concentrated water outlet pipe 16 are arranged adjacently, and the raw water inlet 17 is positioned right above the purified water outlet pipe 15. The casing 1 is provided with a cover 18 at the outer side of the purified water outlet pipe 15, the concentrated water outlet pipe 16 and the raw water inlet 17, and the cover 18 is arc-shaped and has a downward opening.

Referring to fig. 5, a screw portion 19 is provided at an upper end of the housing 1, the screw portion 19 is adapted to be screwed with the housing cover 2, a position-limiting flange 191 is provided at a lower portion of the screw portion 19, and a plurality of reinforcing plates 192 are provided at intervals in a circumferential direction of the position-limiting flange 191.

The large-flux membrane shell for mounting the reverse osmosis membrane is provided with the water sealing structure, the shell cover is screwed when the large-flux membrane shell is used, and the sealing ring is thoroughly deformed by matching the extrusion surface of the shell cover and the extrusion flange, so that the joint of the shell cover and the shell is sealed, and the sealing effect is good; by controlling the attaching proportion of the extrusion surface and the sealing ring and adopting a threaded connection mode for the shell cover and the shell body, the sealing ring is easier to deform thoroughly to achieve the expected sealing effect when in use, and particularly the leakage condition caused by insufficient deformation of the sealing ring can be prevented for a large-flux and large-volume shell membrane.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A big flux membrane shell for installing reverse osmosis membrane which characterized in that: the shell cover comprises a shell (1) and a shell cover (2) which is detachably mounted on the shell (1), wherein the shell cover (2) comprises a connecting part (21) in threaded connection with the shell (1) and a screwing part (22) which is integrally formed with the connecting part (21); a water sealing structure for sealing is arranged between the connecting portion (21) and the shell cover (2), the water sealing structure comprises a mounting groove (11) formed in the outer circumferential surface of the shell (1), an extrusion flange (12) extends towards the outer side of the upper end of the mounting groove (11), a sealing ring (3) is mounted in the mounting groove (11), an extrusion surface (211) is arranged on the inner wall of the connecting portion (21) and faces towards the sealing ring (3), the extrusion surface (211) can be attached to the sealing ring (3), and the attachment area of the extrusion surface (211) and the sealing ring (3) is 0.25-0.35 of the area of the sealing ring (3); the diameter of the connecting part (21) is larger than that of the screwing part (22), and a plurality of lugs (221) are annularly and equidistantly arranged on the outer circumferential surface of the screwing part (22).

2. The high flux membrane cartridge of claim 1 for mounting a reverse osmosis membrane, wherein: a positioning column (222) for installing and positioning a reverse osmosis membrane is arranged at the center of the inner wall of the screwing part (22), a positioning ring (223) is arranged on the outer side of the positioning column (222), and a plurality of reinforcing rib plates (224) are annularly and equidistantly arranged on the outer circumference of the positioning ring (223).

3. The high flux membrane cartridge for mounting a reverse osmosis membrane according to claim 1, wherein: the bottom of the shell (1) is provided with a center hole (13) for installing a center tube, and a limiting block (14) is arranged in the center hole (13).

4. A high flux membrane cartridge for installing a reverse osmosis membrane according to claim 3 wherein: the bottom of the shell (1) is provided with a purified water outlet pipe (15) and a concentrated water outlet pipe (16), the purified water outlet pipe (15) is communicated with the central hole (13), and the concentrated water outlet pipe (16) is communicated with the shell (1).

5. The high flux membrane cartridge of claim 4 for mounting a reverse osmosis membrane, wherein: the shell (1) is provided with a raw water inlet (17) at the top, the purified water outlet pipe (15) and the concentrated water outlet pipe (16) are arranged adjacently, and the raw water inlet (17) is positioned right above the purified water outlet pipe (15).

6. The high flux membrane cartridge for installing a reverse osmosis membrane of claim 5, wherein: the shell (1) is provided with a housing (18) at the outer sides of the purified water outlet pipe (15), the concentrated water outlet pipe (16) and the raw water inlet (17), and the housing (18) is arc-shaped and is provided with a downward opening.

7. The high flux membrane cartridge for mounting a reverse osmosis membrane according to claim 1, wherein: the upper end of the shell (1) is provided with a threaded portion (19), the threaded portion (19) is used for being in threaded connection with the shell cover (2), a limiting flange (191) is arranged on the lower portion of the threaded portion (19), and a plurality of reinforcing plates (192) are arranged on the limiting flange (191) at intervals in the circumferential direction.

8. The high flux membrane cartridge for mounting a reverse osmosis membrane according to claim 1, wherein: the wire diameter of the sealing ring (3) is larger than 40 mm.