Reverse osmosis membrane element of water purifier

Abstract

The utility model discloses a water purifier reverse osmosis membrane element which comprises an element shell, a filter element is arranged in the element shell, mounting pipes are arranged on the two sides in the element shell, clamping rings are arranged in the mounting pipes, springs are arranged on one sides of the clamping rings, and pressing rings are arranged on one sides of the springs. The element shell is provided with a clamping ring, one side of the clamping ring is provided with a limiting piece, two ends of the element shell are provided with element covers, one side of each element cover is provided with a butt joint port, one side of each butt joint port is provided with a top ring, and one side of each top ring is provided with a butt joint pipe. The two sides of the filter element are limited and fixed through the limiting pieces on the inner side, large impurities are blocked through the blocking net, follow-up cleaning is facilitated, the service time of the filter element is longer, and on the contrary, when the element cover is disassembled, the element cover only needs to be screwed off from the threaded groove, the pressing ring automatically pops up, and cleaning is conducted.

Description

Technical Field

[0001] The utility model relates to the technical field of water purifiers, in particular to a reverse osmosis membrane element for a water purifier. Background Art

[0002] Water purifiers can be divided into two categories according to the pipeline design level: progressively tightening water purifiers and self-cleaning water purifiers. Traditional water purifiers are progressively tightening water purifiers. Its internal pipeline design is loose at the front and tight at the back of the filter element. It is composed of PP melt-blown filter element, granular carbon, compressed carbon, RO reverse osmosis membrane or ultrafiltration membrane, and post-activated carbon. Generally, these five levels are connected end to end. The retained matter is deposited inside the filter element and needs to be manually disassembled and cleaned regularly to ensure the normal operation of the machine. The reverse osmosis membrane is one of the core components of the water purifier. Among the filter membranes currently on the market, the reverse osmosis membrane is one of the membrane elements that can filter smaller particles.

[0003] After the reverse osmosis membrane is used, a lot of dirt will be contained inside. Most of the existing reverse osmosis membrane elements are of an integrated structure, which is not convenient for disassembly and cleaning of the internal dirt, which causes the filtering effect of the reverse osmosis membrane to become worse and worse. Utility Model Content

[0004] The purpose of the utility model is to provide a reverse osmosis membrane element for a water purifier to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A reverse osmosis membrane element for a water purifier comprises an element housing, a filter element is arranged inside the element housing, mounting tubes are arranged on both sides of the element housing, a clamping ring is arranged inside the mounting tube, a spring is arranged on one side of the clamping ring, a pressure ring is arranged on one side of the spring, the clamping ring and the pressure ring are connected on both sides of the spring, a limiting piece is arranged on one side of the clamping ring, the clamping ring is located at the inner end of the mounting tube, the limiting piece is located on the outer side of the filter element, element covers are arranged at both ends of the element housing, a docking port is arranged on one side of the element cover, a top ring is arranged on one side of the docking port, a docking tube is arranged on one side of the top ring, and the outer side of the docking tube is located on the inner side of the docking port.

[0007] In a preferred embodiment of the present invention, a blocking net is arranged inside the clamping ring.

[0008] In a preferred embodiment of the utility model, a limiting block is arranged on the outer side of the clamping ring and the pressure ring, a limiting rail is arranged on the inner side of the mounting tube, and the limiting block is slidably connected to the limiting rail.

[0009] In a preferred embodiment of the present invention, thread grooves are arranged inside the two ends of the element housing, and thread strips are arranged outside the docking port, and the thread strips are threadedly connected to the thread grooves.

[0010] In a preferred embodiment of the present utility model, a swivel is provided on the inner side of the docking port, a swivel groove is provided on the outer side of the docking tube, the swivel is connected to the swivel groove, and the swivel moves on the swivel groove.

[0011] In a preferred embodiment of the present invention, a docking ring is provided on the other side of the top ring, a docking groove is provided on the other side of the pressure ring, and the docking ring docks with the docking groove.

[0012] In a preferred embodiment of the present invention, a water outlet is provided inside the element cover.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention.

[0014] Beneficial effect: the threaded groove is connected by the threaded strip, so that the component cover closes the two ends of the component housing, and the docking groove is docked by the docking ring, so that the inner top ring is pushed to the pressure ring, that is, the top ring and the inner structure of the pressure ring are pushed inward by the pressure rings on both sides, so that the clamping ring is at the inner end of the mounting tube, and the inner limit parts limit and fix the two sides of the filter element, and the pressure ring is kept contracted by the spring, so that the clamping ring is in a compressed state, and the blocking net is used to block larger impurities, which is convenient for subsequent cleaning and makes the filter element last longer. Conversely, when the component cover is disassembled, it only needs to be unscrewed from the threaded groove, and the pressure ring will automatically pop out for cleaning.

[0015] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0017] Figure 1 This is a schematic diagram of the main structure of a reverse osmosis membrane element for a water purifier;

[0018] Figure 2 This is a schematic diagram of the internal and external structures of a reverse osmosis membrane element of a water purifier;

[0019] Figure 3 This is a schematic diagram of the connection structure between a clamp ring and a pressure ring in a reverse osmosis membrane element of a water purifier;

[0020] Figure 4The present invention is a schematic diagram of the connection structure between the element cover and the top ring in a reverse osmosis membrane element of a water purifier.

[0021] In the figure: 1. component housing; 11. filter element; 12. mounting tube; 13. limit rail; 14. threaded groove; 2. retaining ring; 21. limit piece; 22. blocking net; 23. spring; 3. pressure ring; 31. docking groove; 32. limit block; 4. top ring; 41. docking tube; 42. docking ring; 43. swivel groove; 5. component cover; 51. docking port; 52. threaded strip; 53. swivel; 54. water outlet. DETAILED DESCRIPTION

[0022] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0023] Please refer to Figure 1-4 The utility model discloses a reverse osmosis membrane element for a water purifier, comprising an element housing 1, a filter element 11 is arranged inside the element housing 1, the filter element 11 is the main filtering device of the reverse osmosis membrane, the element housing 1 is the main structure of the reverse osmosis membrane element, and is used to install the reverse osmosis membrane inside and install other structures, mounting pipes 12 are arranged on both sides of the element housing 1, the mounting pipes 12 are the structures on the inner sides of both ends of the element housing 1, element covers 5 are arranged on both ends of the element housing 1, the element covers 5 are installed on both ends of the element housing 1 to seal it, a docking port 51 is arranged on one side of the element cover 5, a threaded groove 14 is arranged on the inner sides of both ends of the element housing 1, a threaded strip 52 is arranged on the outer side of the docking port 51, the threaded strip 52 is threadedly connected to the threaded groove 14, that is, the threaded groove 14 is connected by the threaded strip 52, so that the element cover 5 seals both ends of the element housing 1, and a water inlet 54 is arranged on the inner side of the element cover 5, that is, water intake and drainage are carried out through the water inlets 54 on both sides.

[0024] A clamping ring 2 is arranged inside the mounting tube 12, a spring 23 is arranged on one side of the clamping ring 2, a pressing ring 3 is arranged on one side of the spring 23, the clamping ring 2 and the pressing ring 3 are connected on both sides of the spring 23, a limiting member 21 is arranged on one side of the clamping ring 2, and the limiting member 21 is located on the outside of the filter element 11, that is, the pressing rings 3 on both sides are squeezed inwardly so that the clamping ring 2 is located at the inner end of the mounting tube 12, that is, the limiting member 21 on the inside limits and fixes the two sides of the filter element 11, and the pressing ring 3 is kept contracted by the spring 23 so that the clamping ring 2 In the clamped state, a limiting block 32 is arranged on the outer side of the clamping ring 2 and the pressing ring 3, and a limiting rail 13 is arranged on the inner side of the mounting tube 12. The limiting block 32 is slidably connected with the limiting rail 13, that is, the limiting block 32 slides on the limiting rail 13, thereby limiting the clamping ring 2 and the pressing ring 3 to prevent them from rotating when sliding. A blocking net 22 is arranged on the inner side of the clamping ring 2, which blocks larger impurities, thereby facilitating subsequent cleaning and extending the service life of the filter element 11.

[0025] A top ring 4 is provided on one side of the docking interface 51, a docking tube 41 is provided on one side of the top ring 4, the outer side of the docking tube 41 is on the inner side of the docking interface 51, a swivel 53 is provided on the inner side of the docking interface 51, a rotating groove 43 is provided on the outer side of the docking tube 41, the swivel 53 is connected to the rotating groove 43, so that the docking interface 51 is connected to the docking tube 41, and the docking tube 41 is movable, a docking ring 42 is provided on the other side of the top ring 4, and a docking groove 31 is provided on the other side of the pressure ring 3. When the threaded strip 52 is connected to the threaded groove 14, the docking groove 31 is docked through the docking ring 42, so that the inner top ring 4 is pushed to the pressure ring 3, that is, the inner structure of the pressure ring 3 is pushed, and the swivel 53 moves on the rotating groove 43, so that the top ring 4 is in a sliding state when pushing the pressure ring 3.

[0026] The working principle of the utility model is as follows: by installing the filter element 11 in the element housing 1, the clamping ring 2 and the pressing ring 3 are installed at the two ends of the inner side of the element housing 1, and the element cover 5 is installed at the two ends of the element housing 1, and the threaded groove 14 is connected by the threaded strip 52, so that the element cover 5 closes the two ends of the element housing 1, and the docking groove 31 is docked by the docking ring 42, so that the top ring 4 on the inside is pushed to the pressing ring 3, that is, the top ring 4 and the inner structure of the pressing ring 3 are pushed inward by the element cover 5, that is, the clamping ring 2 is at the inner end of the installation tube 12 through the pressing ring 3 on both sides, that is, the inner limiting piece 21 limits and fixes the two sides of the filter element 11, and the pressing ring 3 is kept contracted by the spring 23, so that the clamping ring 2 is in a compressed state, and the limiting block 32 slides on the limiting rail 13, so that the clamping ring 2 and the pressing ring 3 are limited to prevent them from rotating when sliding, and water is inletted and drained through the water inlets 54 on both sides, and the blocking net 22 blocks larger impurities, so that the filter element 11 can be used for a longer time.

[0027] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A reverse osmosis membrane element for a water purifier, comprising an element housing (1), characterized in that: A filter element (11) is arranged inside the element housing (1), mounting tubes (12) are arranged on both sides of the element housing (1), a clamping ring (2) is arranged inside the mounting tube (12), a spring (23) is arranged on one side of the clamping ring (2), a pressure ring (3) is arranged on one side of the spring (23), the clamping ring (2) and the pressure ring (3) are connected on both sides of the spring (23), a limiting member (21) is arranged on one side of the clamping ring (2), the clamping ring (2) is located at the inner end of the mounting tube (12), the limiting member (21) is located on the outer side of the filter element (11), element covers (5) are arranged on both ends of the element housing (1), a docking port (51) is arranged on one side of the element cover (5), a top ring (4) is arranged on one side of the docking port (51), a docking tube (41) is arranged on one side of the top ring (4), and the outer side of the docking tube (41) is located on the inner side of the docking port (51).

2. A water purifier reverse osmosis membrane element according to claim 1, characterized in that: A blocking net (22) is arranged inside the clamping ring (2).

3. A water purifier reverse osmosis membrane element according to claim 1, characterized in that: A limit block (32) is arranged outside the clamping ring (2) and the pressure ring (3), a limit rail (13) is arranged inside the mounting tube (12), and the limit block (32) is slidably connected to the limit rail (13).

4. A water purifier reverse osmosis membrane element according to claim 1, characterized in that: Thread grooves (14) are provided on the inner sides of both ends of the element housing (1), and thread strips (52) are provided on the outer sides of the docking port (51), wherein the thread strips (52) are threadedly connected to the thread grooves (14).

5. A water purifier reverse osmosis membrane element according to claim 1, characterized in that: A swivel (53) is provided on the inner side of the docking port (51), a swivel groove (43) is provided on the outer side of the docking tube (41), the swivel (53) is connected to the swivel groove (43), and the swivel (53) moves on the swivel groove (43).

6. A water purifier reverse osmosis membrane element according to claim 1, characterized in that: A docking ring (42) is provided on the other side of the top ring (4), a docking groove (31) is provided on the other side of the pressure ring (3), and the docking ring (42) docks with the docking groove (31).

7. A water purifier reverse osmosis membrane element according to claim 1, characterized in that: A water inlet (54) is provided on the inner side of the element cover (5).

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