Composite filter element

Abstract

The utility model relates to a composite filter element which comprises a filter element shell, carbon fibers, a carbon fiber central tube, an RO (Reverse Osmosis) membrane, an RO central rod, an upper mounting seat assembly, a filter piece and an upper cover, a gap is formed between the carbon fiber and the inner wall of the filter element shell to form a water inlet flow channel, the carbon fiber center pipe is located in a center hole of the carbon fiber, the RO membrane is located in a center hole of the carbon fiber center pipe, and the RO center rod is located in the RO membrane; a first runner, a second runner and a third runner are arranged on the upper mounting seat assembly, the filter part is mounted in the upper mounting seat assembly and is positioned between the first runner and the second runner, the first runner of the upper mounting seat assembly is communicated with the upper part of the RO central rod, and the third runner of the upper mounting seat assembly is communicated with the upper part of the RO membrane; a wastewater outlet runner, a pure water outlet runner and a raw water inlet runner are arranged on the upper cover, the wastewater outlet runner is communicated with the third runner, the pure water outlet runner is communicated with the second runner, and the raw water inlet runner is communicated with the water inlet runner. The filter element has the advantages of multiple filter elements, good filter effect and compact structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of composite filter element. BACKGROUND

[0002] At present, only one filter element is provided in filter element, and the filtering effect is poor when using. SUMMARY

[0003] The utility model aims at overcoming the deficiencies of prior art and provides a kind of composite filter element, with triple filter element, good filtering effect, compact structure.

[0004] In order to achieve the above purpose, the technical scheme of the utility model is as follows: it is a kind of multiple composite filter element, characterized by comprising:

[0005] Filter element shell, carbon fiber, carbon fiber center tube, RO membrane and RO center rod;The carbon fiber is placed in the filter element shell, and there is a gap between the carbon fiber and the inner wall of the filter element shell to form a water inlet flow channel, the carbon fiber center tube is located in the center hole of the carbon fiber, the RO membrane is located in the center hole of the carbon fiber center tube, and the RO center rod is located in the RO membrane so that the water in the water inlet flow channel enters the RO center rod after passing through the carbon fiber, carbon fiber center tube and RO membrane in turn;

[0006] Upper mounting seat assembly and filter element;The upper mounting seat assembly is installed on the upper part of the RO membrane and the RO center rod, and the first flow channel, the second flow channel and the third flow channel are provided on the upper mounting seat assembly, the filter element is installed in the upper mounting seat assembly and located between the first flow channel and the second flow channel, the first flow channel of the upper mounting seat assembly is communicated with the upper part of the RO center rod, and the third flow channel of the upper mounting seat assembly is communicated with the upper part of the RO membrane;And

[0007] Upper cover;The upper cover is covered on the upper part of the filter element shell and covers the upper mounting seat assembly, and the waste water outlet flow channel, the pure water outlet flow channel and the raw water inlet flow channel are provided on the upper cover, the waste water outlet flow channel is communicated with the third flow channel, the pure water outlet flow channel is communicated with the second flow channel, and the raw water inlet flow channel is communicated with the water inlet flow channel.

[0008] In the technical solution, the upper mounting base assembly comprises a filter core lower cover, a filter core end cover, an RO membrane upper end cover, a filter element seat, an RO upper inner cover and an RO upper outer cover; the filter core end cover is located at the lower end of the filter core shell, the lower end of the carbon fiber, the carbon fiber center tube, the RO membrane and the RO center rod is mounted on the filter core end cover, the filter core end cover is mounted on the upper end of the carbon fiber and the carbon fiber center tube, the RO membrane upper end cover is mounted on the filter core end cover, the RO membrane and the RO center rod, a water passing hole is arranged on the RO membrane upper end cover, the water passing hole is communicated with the upper part of the RO membrane, the filter element seat is mounted on the RO membrane upper end cover, a filter element water inlet flow channel is arranged on the filter element seat, the filter element water inlet flow channel is a first flow channel, the filter element is mounted on the filter element seat, a filter element water outlet flow channel of a pure water outlet flow channel is arranged on the RO upper inner cover, the filter element water outlet flow channel is a second flow channel, the RO upper outer cover is mounted on the RO upper inner cover, a water outlet hole communicated with the pure water outlet flow channel is arranged on the RO upper outer cover, the gap between the filter element seat and the RO membrane upper end cover forms an RO water outlet flow channel communicated with the water passing hole, the RO water outlet flow channel and the water outlet hole are third flow channels.

[0009] In the technical solution, the filter element is a carbon sheet or filter cotton or a carbon fiber sheet.

[0010] Compared with the prior art, the utility model has the advantages of three filter elements, good filtering effect and compact structure. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is an exploded view of the utility model;

[0012] Figure 2 is a structural schematic view of the utility model;

[0013] Figure 3 is a side view of the utility model;

[0014] Figure 4 is Figure 3 A-A sectional view of the utility model;

[0015] Figure 5 is a top view of the utility model;

[0016] Figure 6 is Figure 3 B-B sectional view of the utility model;

[0017] Figure 7 is Figure 6 the enlarged view of part C. DETAILED DESCRIPTION

[0018] The specific embodiments of the utility model will be further described below with reference to the drawings. It should be noted that the description of these embodiments is used to help understand the utility model, but does not constitute a limitation on the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0019] As shown in Figures 1 to 7 It is a kind of composite filter element, comprising:

[0020] Filter element shell 1, carbon fiber 3, carbon fiber center tube 4, RO membrane 5 and RO center rod 6;The carbon fiber 3 is placed in filter element shell 1, and there is a gap between carbon fiber 3 and the inner wall of filter element shell 1 to form water inlet flow channel 31, the carbon fiber center tube 4 is located in the center hole of carbon fiber 3, the RO membrane 5 is located in the center hole of carbon fiber center tube 4, and the RO center rod 6 is located in RO membrane 5 so that the water of water inlet flow channel 31 enters RO center rod 6 in turn after passing through carbon fiber 3, carbon fiber center tube 4 and RO membrane 5;

[0021] Upper mounting seat assembly and filter piece 10;The upper mounting seat assembly is installed on the upper part of RO membrane 5 and RO center rod 6, and the first flow channel, the second flow channel and the third flow channel are provided on the upper mounting seat assembly, the filter piece 10 is installed in the upper mounting seat assembly and located between the first flow channel and the second flow channel, the first flow channel of the upper mounting seat assembly is communicated with the upper part of RO center rod 6, and the third flow channel of the upper mounting seat assembly is communicated with the upper part of RO membrane 5;And

[0022] Upper cover 13;The upper cover 13 is covered on the upper part of filter element shell 1 and covers the upper mounting seat assembly, and the waste water outlet flow channel 131, the pure water outlet flow channel 132 and the raw water inlet flow channel 133 are provided on the upper cover 13, the waste water outlet flow channel 131 is communicated with the third flow channel, the pure water outlet flow channel 132 is communicated with the second flow channel, and the raw water inlet flow channel 133 is communicated with the water inlet flow channel 31.

[0023] When using, water enters water inlet flow channel 31 from raw water inlet flow channel 133 of upper cover 13, and the water in water inlet flow channel 31 enters RO center rod 6 after passing through carbon fiber 3, carbon fiber center tube 4 and RO membrane 5, and the water in RO center rod 6 flows out after passing through first flow channel, filter piece 10, second flow channel and pure water outlet flow channel 132;The waste water of RO membrane 5 flows out after passing through third flow channel and waste water outlet flow channel 131, and the carbon fiber 3 can be placed in the carbon fiber 3, and the carbon fiber center tube 4 can also be placed in the carbon fiber center tube 4.

[0024] In the embodiment, the upper mounting base assembly comprises a filter core lower cover 2, a filter core end cover 7, an RO membrane upper end cover 8, a filter element seat 9, an RO upper inner cover 11 and an RO upper outer cover 12; the filter core end cover 7 is located at the lower end of the filter core shell 1, the lower end of the carbon fiber 3, the carbon fiber center tube 4, the RO membrane 5 and the RO center rod 6 is mounted on the filter core end cover 7, the filter core end cover 7 is mounted on the upper end of the carbon fiber 3 and the carbon fiber center tube 4, the RO membrane upper end cover 8 is mounted on the filter core end cover 7, the RO membrane 5 and the RO center rod 6, a water passing hole 81 is arranged on the RO membrane upper end cover 8, the water passing hole 81 communicates with the upper part of the RO membrane 5, the filter element seat 9 is mounted on the RO membrane upper end cover 8, a filter element water inlet flow channel 91 is arranged on the filter element seat 9, the filter element water inlet flow channel 91 is a first flow channel, the filter element 10 is mounted on the filter element seat 9, a filter element water outlet flow channel 111 of a pure water outlet flow channel 132 is arranged on the RO upper inner cover 11, the filter element water outlet flow channel 111 is a second flow channel, the RO upper outer cover 12 is mounted on the RO upper inner cover 11, an upper outer cover water outlet hole communicating with the pure water outlet flow channel 132 is arranged on the RO upper outer cover 12, there is a gap between the filter element seat 9 and the RO membrane upper end cover 8 to form an RO water outlet flow channel 89 communicating with the water passing hole 81, the RO water outlet flow channel 89 and the upper outer cover water outlet hole are third flow channels. In use, water enters the water inlet flow channel 31 from the raw water inlet flow channel 133 of the upper cover 13, the water in the water inlet flow channel 31 enters the RO center rod 6 after passing through the carbon fiber 3, the carbon fiber center tube 4 and the RO membrane 5, and the water in the RO center rod 6 flows out after passing through the filter element water inlet flow channel 91, the filter element 10, the filter element water outlet flow channel 111 and the pure water outlet flow channel 132; the waste water of the RO membrane 5 flows out after passing through the RO water outlet flow channel 89, the upper outer cover water outlet hole and the waste water outlet flow channel 131.

[0025] In the embodiment, the filter element 10 is a carbon sheet or filter cotton or a carbon fiber sheet.

[0026] The above detailed description of the embodiments of the present application is made in combination with the drawings, but the present application is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and deformations of the embodiments without departing from the principles and purposes of the present application still fall within the protection scope of the present application.

Claims

1. A composite filter cartridge characterized by It includes: The filter core shell (1), carbon fiber (3), carbon fiber center tube (4), RO membrane (5) and RO center rod (6); the carbon fiber (3) is placed in the filter core shell (1), and there is a gap between the carbon fiber (3) and the inner wall of the filter core shell (1) to form a water inlet flow channel (31), the carbon fiber center tube (4) is located in the center hole of the carbon fiber (3), the RO membrane (5) is located in the center hole of the carbon fiber center tube (4), and the RO center rod (6) is located in the RO membrane (5), so that the water in the water inlet flow channel (31) passes through the carbon fiber (3), the carbon fiber center tube (4) and the RO membrane (5) in turn and then enters the RO center rod (6); The upper mounting seat assembly and the filter element (10); the upper mounting seat assembly is installed on the upper part of the RO membrane (5) and the RO center rod (6), and the first flow channel, the second flow channel and the third flow channel are arranged on the upper mounting seat assembly; the filter element (10) is installed in the upper mounting seat assembly and located between the first flow channel and the second flow channel; the first flow channel of the upper mounting seat assembly is communicated with the upper part of the RO center rod (6), and the third flow channel of the upper mounting seat assembly is communicated with the upper part of the RO membrane (5); and The upper cover (13); the upper cover (13) covers the upper part of the filter core shell (1) and covers the upper mounting seat assembly, and the waste water outlet flow channel (131), the pure water outlet flow channel (132) and the raw water inlet flow channel (133) are arranged on the upper cover (13); the waste water outlet flow channel (131) is communicated with the third flow channel, the pure water outlet flow channel (132) is communicated with the second flow channel, and the raw water inlet flow channel (133) is communicated with the water inlet flow channel (31).

2. The composite filter cartridge of claim 1, wherein The upper mounting seat assembly comprises a filter core lower cover (2), a filter core end cover (7), an RO membrane upper end cover (8), a filter element seat (9), an RO upper inner cover (11) and an RO upper outer cover (12); the filter core end cover (7) is located at the lower end of the filter core shell (1), the lower end of the carbon fiber (3), the carbon fiber center tube (4), the RO membrane (5) and the RO center rod (6) is installed on the filter core end cover (7), the filter core end cover (7) is installed on the upper end of the carbon fiber (3) and the carbon fiber center tube (4), the RO membrane upper end cover (8) is installed on the filter core end cover (7), the RO membrane (5) and the RO center rod (6), a water passing hole (81) is arranged on the RO membrane upper end cover (8), the water passing hole (81) is communicated with the upper part of the RO membrane (5), the filter element seat (9) is installed on the RO membrane upper end cover (8), a filter element water inlet flow channel (91) is arranged on the filter element seat (9), the filter element water inlet flow channel (91) is the first flow channel, the filter element (10) is installed on the filter element seat (9), the filter element water outlet flow channel (111) of the RO upper inner cover (11) is communicated with the pure water outlet flow channel (132), the filter element water outlet flow channel (111) is the second flow channel, the RO upper outer cover (12) is installed on the RO upper inner cover (11), a water outlet hole is arranged on the RO upper outer cover (12) and communicated with the pure water outlet flow channel (132), there is a gap between the filter element seat (9) and the RO membrane upper end cover (8) to form an RO water outlet flow channel (89) communicated with the water passing hole (81), the RO water outlet flow channel (89) and the water outlet hole are the third flow channel.

3. The composite filter cartridge of claim 1, wherein The filter element (10) is a carbon sheet or filter cotton or a carbon fiber sheet.

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