Reverse osmosis filter element device

Abstract

The utility model discloses a reverse osmosis filter element device which is characterized in that a lifting mounting mechanism is arranged between end plates of a filter element body, so that a rotary cleaning ring mounted in a protective shell moves up and down along a central pipe to clean a reverse osmosis membrane covering the protective shell; and in the moving process, the rotating structure is arranged to realize that the rotating cleaning ring moves up and down while rotating, so that the cleaning effect on the reverse osmosis membrane is improved, the internal membrane body is cleaned without disassembly, the cleaning is convenient, and manual cleaning after disassembly is not needed.

Description

Technical Field

[0001] The utility model relates to the technical field of filtering and purifying water, in particular to a reverse osmosis filter element device. Background Art

[0002] In the preparation of ultrapure water, reverse osmosis filtration technology plays a vital role. The core component of reverse osmosis filtration is the reverse osmosis membrane, which is an artificial semipermeable membrane with certain characteristics made by simulating biological semipermeable membranes. Under the action of an osmotic pressure higher than that of the solution, other substances cannot pass through the semipermeable membrane, so these substances and water are separated.

[0003] The existing reverse osmosis filter element needs to be cleaned after being used for a period of time, so as to maintain its good filtering and separation effect. However, the reverse osmosis filter element itself is inconvenient to disassemble, and it has to be cleaned manually after disassembly, which is time-consuming and laborious. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model discloses a reverse osmosis filter element device, which adopts the technical scheme of comprising a protective shell, a filter element body, a central tube, a reverse osmosis membrane, a water inlet, a pure water outlet, a concentrated water outlet, a valve, a top knob, a knob groove, a lifting and mounting mechanism, a rotating structure, a rotating cleaning ring and an inner cleaning rod, wherein a protective shell is fixed between the upper and lower end plates of the filter element body, the middle part of the filter element body is a central tube coated with a reverse osmosis membrane, the central tube is provided with a plurality of filter holes, the pure water filtered by the reverse osmosis membrane flows out from the central tube and the pure water outlet at the bottom of the filter element body, the lower right side of the filter element body is a concentrated water outlet equipped with a valve, the top is provided with a water inlet, and the upper end plate of the filter element body ... pure water filtered by the reverse osmosis membrane flows out from the central tube and the pure water outlet at the bottom of the filter element body, the pure water filtered by the reverse osmosis membrane flows out from the central tube and the pure water outlet at the bottom of the filter element body, the pure water filtered by the reverse osmosis membrane flows out from the central tube and the pure The top knob is rotated and installed on the right side of the surface, and a knob groove is opened on the top of the top knob. The top knob drives the lifting and installation mechanism arranged between the upper and lower end plates of the filter element body. An external tool is inserted into the knob groove and manually driven to drive the top knob to rotate, thereby driving the lifting and installation mechanism to operate. The rotating cleaning ring is installed through the rotating structure arranged in the lifting and installation mechanism. A number of inner cleaning rods are evenly distributed on the inner wall of the rotating cleaning ring, which are in contact with the reverse osmosis membrane coated on the outside of the central tube. Under the operation of the lifting and installation mechanism, the rotating cleaning ring is driven to move downward along the central tube, and during the downward movement, the rotating cleaning ring is driven to rotate by the rotating structure to rotationally clean the reverse osmosis membrane on the central tube.

[0005] As a preferred technical solution of the utility model, the knob groove is a hexagonal groove, and a hexagonal wrench can be configured to drive the knob and the top knob.

[0006] As a preferred technical solution of the utility model, the lifting and mounting mechanism includes a micro-rotating stud, a gear rod and a mounting ring. The micro-rotating stud is rotatably mounted on the outer side of the central tube between the upper and lower outer rings in the filter element body, and the gear rod is fixedly mounted. One side of the mounting ring is mounted in cooperation with the micro-rotating stud, and the other side has a through-notch that is fitted with the gear rod through the notch. A rotating structure is arranged in the mounting ring, and the rotating cleaning ring is installed through the rotating structure. Under the rotation of the micro-rotating stud, the mounting ring mounted in cooperation with it is lifted and lowered along the gear rod, and the rotating cleaning ring is lifted and lowered together with it. During the lifting process, the rotating cleaning ring is rotated through the rotating structure to achieve comprehensive and effective cleaning of the reverse osmosis membrane.

[0007] As an optimal technical solution of the utility model, the rotating structure includes a cross-sectional T-shaped mounting groove, a mounting cavity, a spur gear, a bevel gear, a protruding ring on the outer side of the cleaning ring and a bevel gear ring. The mounting ring is provided with a cross-sectional T-shaped mounting groove, and the outer side of the rotating cleaning ring is integrally formed with a protruding ring on the outer side of the cleaning ring and a bevel gear ring. The rotating cleaning ring, the protruding ring on the outer side of the cleaning ring and the bevel gear ring are integrated and placed in cooperation with the cross-sectional T-shaped mounting groove. A mounting cavity is provided at the through-notch on the left side of the cross-sectional T-shaped mounting groove. The spur gear is rotatably mounted in the mounting cavity through the shaft body. The spur gear meshes with the tooth groove on the right side wall of the tooth rod passing through the through-notch. The bevel gear is coaxially fixed on the right side of the spur gear, and the bevel gear meshes with the bevel gear ring. When the mounting ring moves along the tooth rod, relative movement occurs between the spur gear and the tooth rod. Under the meshing action, the spur gear rotates and drives the bevel gear to rotate. The rotation of the bevel gear ultimately drives the rotation of the bevel gear ring through the meshing action, so that the rotating cleaning ring rotates, thereby achieving the effect of rotation cleaning.

[0008] As a preferred technical solution of the utility model, the inner cleaning rod is made of sponge material.

[0009] The beneficial effects of the utility model are as follows: a lifting and mounting mechanism is arranged between the end plates of the filter element body so that the rotating cleaning ring installed in the protective shell can move up and down along the central tube to clean the reverse osmosis membrane coated thereon, and during the movement, the rotating cleaning ring can be rotated and moved up and down by the rotating structure arranged, thereby improving the cleaning effect of the reverse osmosis membrane, and the internal membrane body can be cleaned without disassembly, and the cleaning is convenient and does not need to be manually cleaned after disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the structure of the utility model;

[0011] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0012] Figure 3 It is a schematic diagram of the exploded cross-sectional structure of some components of the utility model.

[0013] In the figure: protective shell 1, filter element body 2, central tube, reverse osmosis membrane, water inlet 3, pure water outlet 4, concentrated water outlet 5, valve 51, top knob 6, knob groove 7, micro rotating stud 8, gear rod 9, mounting ring 10, cross-sectional T-shaped mounting groove 11, mounting cavity 12, spur gear 13, bevel gear 14, rotating cleaning ring 15, outer raised ring of cleaning ring 16, bevel gear ring 17, inner cleaning rod 18. DETAILED DESCRIPTION

[0014] Example 1

[0015] like Figures 1 to 3 As shown, the utility model discloses a reverse osmosis filter element device, which adopts a technical scheme that includes a protective shell 1, a filter element body 2, a central tube, a reverse osmosis membrane, a water inlet 3, a pure water outlet 4, a concentrated water outlet 5, a valve 51, a top knob 6, a knob groove 7, a lifting installation mechanism, a rotating structure, a rotating cleaning ring 15 and an inner cleaning rod 18. The protective shell 1 is fixed between the upper and lower end plates of the filter element body 2. The middle part of the filter element body 2 is a central tube covered with a reverse osmosis membrane, and the central tube has a plurality of filter holes. The bottom of the filter element body 2 The top is a pure water outlet 4, the lower right side is a concentrated water outlet 5 equipped with a valve 51, the top is provided with a water inlet 3, a top knob 6 is rotatably installed on the right side of the upper end plate of the filter element body 2, a knob groove 7 is provided on the top knob 6, the top knob 6 drives the lifting and mounting mechanism arranged between the upper and lower end plates of the filter element body 2, the rotating cleaning ring 15 is installed through the rotating structure arranged in the lifting and mounting mechanism, a plurality of inner cleaning rods 18 are evenly distributed on the inner wall of the rotating cleaning ring 15, which are in contact with the reverse osmosis membrane coated on the outside of the central tube.

[0016] As a preferred technical solution of the utility model, the knob slot 7 is a hexagonal slot, and the top knob 6 can be driven by inserting a hexagonal wrench or a hexagonal column into the hexagonal slot and rotating it.

[0017] As a preferred technical solution of the utility model, the lifting and mounting mechanism is that the micro-rotating studs 8 are rotatably installed on the outside of the central tube between the upper and lower outer rings of the filter element body 2, and the gear rod 9 is fixedly installed. One side of the mounting ring 10 is installed in cooperation with the micro-rotating studs 8, and the other side has a through-notch that is fitted with the gear rod 9 through the notch. A rotating structure is set in the mounting ring 10, and the rotating cleaning ring 15 is installed through the rotating structure. Under the action of the lifting and mounting mechanism, the entire rotating cleaning ring moves up and down along the central tube for cleaning and rotates during the up and down movement through the rotating structure.

[0018] As an optimal technical solution of the utility model, the specific setting structure of the rotating structure is that a cross-sectional T-shaped mounting groove 11 is installed in the mounting ring 10, and a cleaning ring outer side protruding ring 16 and a bevel gear ring 17 are integrally formed on the outer side of the rotating cleaning ring 15. The rotating cleaning ring 15, the cleaning ring outer side protruding ring 16 and the bevel gear ring 17 are placed in coordination with the cross-sectional T-shaped mounting groove 11. A mounting cavity 12 is opened on the left side of the cross-sectional T-shaped mounting groove 11 at the through-notch. A spur gear 13 is rotatably installed in the mounting cavity 12 through an axis. The spur gear 13 is meshed with a tooth groove on the right side wall of the gear rod 9 passing through the through-notch. A bevel gear 14 is coaxially fixed on the right side of the spur gear 13, and the bevel gear 14 is meshed with the bevel gear ring 17.

[0019] As a preferred technical solution of the present invention, the inner cleaning rod 18 is made of sponge material.

[0020] The working principle of the utility model is as follows: when cleaning, a hexagonal wrench or a hexagonal column is inserted into the filter device and inserted into the knob groove 7 to drive the top knob 6 to rotate, which drives the micro rotating stud 8 to rotate, and drives the mounting ring 10 installed therewith to move downward along the central tube and the gear rod 9. When the mounting ring 10 moves along the gear rod 9, the spur gear 13 and the gear rod 9 move relative to each other. Under the meshing action, the spur gear 13 rotates and then drives the bevel gear 17 to rotate. The rotation of the bevel gear 17 finally drives the rotation of the bevel gear ring 17 through the meshing action, so that the rotating cleaning ring 15 rotates and drives the inner cleaning plate 18 to move and rotate close to the reverse osmosis membrane, thereby improving the cleaning effect of the reverse osmosis membrane, and completing the cleaning of the internal membrane body without disassembly. The cleaning is convenient and there is no need for manual cleaning after disassembly.

[0021] Components not described in detail herein are prior art.

[0022] Although the specific embodiments of the present invention are described in detail above, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in the field without departing from the purpose of the present invention, and modifications or deformations without creative labor are still within the scope of protection of the present invention.

Claims

1. A reverse osmosis filter element device, characterized in that: The invention comprises a protective shell (1), a filter element body (2), a central tube, a reverse osmosis membrane, a water inlet (3), a pure water outlet (4), a concentrated water outlet (5), a valve (51), a top knob (6), a knob groove (7), a lifting and mounting mechanism, a rotating structure, a rotating cleaning ring (15) and an inner cleaning rod (18); a protective shell (1) is fixed between the upper and lower end plates of the filter element body (2); the middle part of the filter element body (2) is a central tube covered with a reverse osmosis membrane, and the central tube has a plurality of filter holes; the bottom of the filter element body (2) is a pure water outlet (4), and the right side of the lower part is A concentrated water outlet (5) is provided with a valve (51), and a water inlet (3) is provided at the top; a top knob (6) is rotatably installed on the right side of the upper end plate of the filter element body (2), and a knob groove (7) is provided on the top of the top knob (6); the top knob (6) drives a lifting and mounting mechanism provided between the upper and lower end plates of the filter element body (2); the rotating cleaning ring (15) is installed through a rotating structure provided in the lifting and mounting mechanism; a plurality of inner cleaning rods (18) are evenly distributed on the inner wall of the rotating cleaning ring (15), and the inner cleaning rods (18) are in contact with the reverse osmosis membrane coated on the outside of the central tube.

2. A reverse osmosis filter element device according to claim 1, characterized in that: The knob groove (7) is a hexagonal groove.

3. A reverse osmosis filter element device according to claim 2, characterized in that: The lifting and mounting mechanism comprises a micro-rotating stud (8), a gear rod (9) and a mounting ring (10); the micro-rotating stud (8) is rotatably mounted on the outer side of the central tube between the upper and lower outer rings in the filter element body (2), and the gear rod (9) is fixedly mounted; one side of the mounting ring (10) is mounted in cooperation with the micro-rotating stud (8), and the other side has a through-notch through which the gear rod (9) is mounted; a rotating structure is arranged in the mounting ring (10), and the rotating cleaning ring (15) is mounted through the rotating structure.

4. A reverse osmosis filter element device according to claim 3, characterized in that: The rotating structure comprises a cross-sectional T-shaped mounting groove (11), a mounting cavity (12), a spur gear (13), a bevel gear (14), a protruding ring (16) on the outside of a cleaning ring, and a bevel gear ring (17); the mounting ring (10) is provided with a cross-sectional T-shaped mounting groove (11), and the outer side of the rotating cleaning ring (15) is integrally formed with a protruding ring (16) on the outside of the cleaning ring and a bevel gear ring (17); the rotating cleaning ring (15), the protruding ring (16) on the outside of the cleaning ring, and the bevel gear ring (17) is placed in cooperation with the cross-sectional T-shaped installation groove (11); a mounting cavity (12) is opened on the left side of the cross-sectional T-shaped installation groove (11) at the through-notch, and a spur gear (13) is installed in the mounting cavity (12) by rotating the shaft, and the spur gear (13) is meshed with the tooth groove on the right side wall of the gear rod (9) passing through the through-notch; a bevel gear (14) is coaxially fixed on the right side of the spur gear (13); and the bevel gear (14) is meshed with the bevel gear ring (17).

5. A reverse osmosis filter element device according to claim 1, characterized in that: The inner cleaning rod (18) is made of sponge material.

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