Double-ring pollution composite filter element and water purifier

Abstract

The application discloses a double-circle pollution-narrowing composite filter element and a water purifier, the double-circle pollution-narrowing composite filter element comprising a first end cover, a first annular groove is arranged on the lower surface of the first end cover, a water outlet hole is arranged on the upper wall of the first annular groove; a second end cover, a water inlet hole is arranged on the middle part of the second end cover, a second annular groove is arranged on the upper surface of the second end cover; a filter material assembly, the filter material assembly is annular, the upper end of the filter material assembly is inserted into the first annular groove, and the lower end of the filter material assembly is inserted into the second annular groove; a part of raw water can enter the filter material assembly from the outside of the filter material assembly to be filtered; another part of raw water can enter the inside of the filter material assembly through the water inlet hole and then enter the filter material assembly to be filtered; in the case that the volume of the filter element is unchanged, the filter element will be invalid only when the outer layer and the inner layer of the filter material assembly are blocked, and the anti-blocking capacity of the filter element is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of filters, and in particular to a double-circle pollution-receiving composite filter element and a water purifier. Background Art

[0002] When using a composite filter element to filter poor-quality water, raw water enters the filter media from the outside. The filtered water is then discharged, leaving impurities inside. Because the raw water contains a high concentration of impurities like rust and sand, these impurities can clog the outer PP (polypropylene) layer of the filter media, causing the entire filter media to become clogged, rendering the filter element inoperable and significantly reducing its lifespan. Summary of the Invention

[0003] The present invention aims to solve at least one of the technical problems in the related art to a certain extent. To this end, the present invention provides a double-circle pollution-receiving composite filter element and a water purifier.

[0004] In a first aspect, an embodiment of the present invention provides a double-circle pollution-receiving composite filter element, the double-circle pollution-receiving composite filter element comprising:

[0005] A first end cover, wherein a first annular groove is provided on a lower surface of the first end cover, and a water outlet is provided on an upper wall of the first annular groove;

[0006] a second end cover, the second end cover being located below the first end cover, a water inlet being provided in the middle of the second end cover, a second annular groove being provided on the upper surface of the second end cover, and the water inlet being located inside the second annular groove;

[0007] A filter material assembly, wherein the filter material assembly is annular, the upper end of the filter material assembly is inserted into the first annular groove, and the lower end of the filter material assembly is inserted into the second annular groove;

[0008] Raw water can enter the filter material assembly from the outside of the filter material assembly for filtration and then be discharged from the water outlet; raw water can enter the inner side of the filter material assembly through the water inlet from bottom to top, enter the filter material assembly from the inside of the filter material assembly for filtration and then be discharged from the water outlet.

[0009] The double-circle pollution-receiving composite filter element according to the embodiment of the present invention has at least the following technical effects: a part of the raw water can enter the filter material assembly through the outside of the filter material assembly for filtration; the other part of the raw water can enter the inside of the filter material assembly through the water inlet hole, and then enter the filter material assembly for filtration; while ensuring that the volume of the filter element remains unchanged, the filter element will only fail when the outer layer and the inner layer of the filter material assembly are blocked, thereby improving the anti-clogging ability of the filter element.

[0010] According to some embodiments of the present invention, the filter material assembly includes a first filter material, a second filter material and a third filter material. The first filter material, the second filter material and the third filter material are all annular. The first filter material is sleeved and tightly attached to the second filter material, and the second filter material is sleeved and tightly attached to the third filter material.

[0011] According to some embodiments of the present invention, the plurality of water outlet holes are circumferentially distributed around the axis of the first annular groove.

[0012] According to some embodiments of the present invention, the first end cover includes a first disc, a first inner annular wall and a first outer annular wall, the first inner annular wall and the first outer annular wall are located below the first disc, the first inner annular wall is located on the inner side of the first outer annular wall, the upper end of the first inner annular wall is fixedly connected to the lower surface of the first disc, the upper end of the first outer annular wall is fixedly connected to the lower surface of the first disc, the first inner annular wall is the inner side wall of the first annular groove, and the first outer annular wall is the outer side wall of the first annular groove.

[0013] According to some embodiments of the present invention, the upper surface of the first disc is provided with an upper annular wall extending upward, and the water outlet is located on the inner side of the upper annular wall and on the outer side of the first inner annular wall.

[0014] According to some embodiments of the present invention, the second end cover includes a second disc, a second inner annular wall and a second outer annular wall, the second inner annular wall and the second outer annular wall are located above the second disc, the second inner annular wall is located on the inner side of the second outer annular wall, the lower end of the second inner annular wall is fixedly connected to the upper surface of the second disc, the lower end of the second outer annular wall is fixedly connected to the upper surface of the second disc, the second inner annular wall is the inner side wall of the second annular groove, and the second outer annular wall is the outer side wall of the second annular groove.

[0015] According to some embodiments of the present invention, the water inlet is located on the inner side of the second inner annular wall.

[0016] In a second aspect, an embodiment of the present invention further provides a water purifier, comprising a double-circle dirt-receiving composite filter element according to an embodiment of the first aspect of the present invention.

[0017] The water purifier according to the embodiment of the present invention has at least the following technical effects: the water purifier adopts the double-circle pollution-receiving composite filter element, and a part of the raw water can enter the filter material assembly through the outside of the filter material assembly for filtration; the other part of the raw water can enter the inside of the filter material assembly through the water inlet hole, and then enter the filter material assembly for filtration; while ensuring that the volume of the filter element remains unchanged, the filter element will only fail when the outer layer and the inner layer of the filter material assembly are blocked, thereby improving the anti-clogging ability of the filter element.

[0018] Additional aspects and advantages of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description which follows, or may be learned by practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of the embodiments with reference to the accompanying drawings, in which:

[0020] Figure 1 Schematic diagram of the structure of a double-circle pollution-holding composite filter element according to some embodiments of the present invention;

[0021] Figure 2 2 is a schematic structural diagram of a double-circle pollution-receiving composite filter element according to some embodiments of the present invention from another angle;

[0022] Figure 3 Schematic diagram of the interior of a double-circle pollution-holding composite filter element according to some embodiments of the present invention;

[0023] Figure 4 is a cross-sectional view of a filter material assembly according to some embodiments of the present invention;

[0024] Figure 5 is a schematic structural diagram of a first end cover in some embodiments of the present invention;

[0025] Figure 6 Schematic diagram of the structure of the second end cover of some embodiments of the present invention.

[0026] Figure Number:

[0027] First end cover 100, first annular groove 110, water outlet 120, first disc 131, first inner annular wall 132, first outer annular wall 133, upper annular wall 134;

[0028] The second end cover 200, the second annular groove 210, the water inlet hole 220, the second disc 231, the second inner annular wall 232, and the second outer annular wall 233;

[0029] Filter material assembly 300 , first filter material 310 , second filter material 320 , and third filter material 330 . DETAILED DESCRIPTION

[0030] The following describes embodiments of the present invention in detail. 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 intended only to explain the present invention and are not to be construed as limiting the present invention.

[0031] In the description of the present invention, it should be understood that descriptions involving orientation, such as the orientation or positional relationship indicated by up, down, etc., are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0032] In the description of this invention, "above," "below," and "within" are understood to be exclusive of the number indicated. The terms "first" and "second" are used solely to distinguish technical features and are not to be construed as indicating or implying relative importance, or as implicitly specifying the number or order of the technical features indicated.

[0033] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0034] The embodiments of the present invention are further described below with reference to the accompanying drawings.

[0035] According to some embodiments of the present invention, referring to Figures 1 to 6 The double-circle pollution-holding composite filter element includes a first end cover 100, a second end cover 200 and a filter material assembly 300; the lower surface of the first end cover 100 is provided with a first annular groove 110, and the bottom of the first annular groove 110 is provided with a water outlet hole 120. Since the first annular groove 110 is concave upward, that is, the upper wall of the first annular groove 110 is provided with a water outlet hole 120; the second end cover 200 is located below the first end cover 100, and the middle part of the second end cover 200 is provided with a water inlet hole 220, and the upper surface of the second end cover 200 is provided with a second annular groove 210, and the water inlet hole 220 is located on the inner side of the second annular groove 210; the filter material assembly 300 is annular, the upper end of the filter material assembly 300 is inserted into the first annular groove 110, and the lower end of the filter material assembly 300 is inserted into the second annular groove 210.

[0036] A portion of the raw water can enter the filter material assembly 300 from the outside for filtration, then move from bottom to top, and finally be discharged from the water outlet 120; another portion of the raw water can enter the inside of the filter material assembly 300 through the water inlet hole 220 from bottom to top, then enter the filter material assembly 300 from the inside for filtration, then move from bottom to top, and finally be discharged from the water outlet 120.

[0037] It can be understood that when the volume of the filter element remains unchanged, the raw water in this embodiment can enter the filter material assembly 300 from the outside and inside of the filter material assembly 300. The filter element will fail only when the outer layer and the inner layer of the filter material assembly 300 are blocked, thereby improving the anti-clogging ability of the filter element.

[0038] According to some embodiments of the present invention, referring to Figure 3 and Figure 4 The filter material assembly 300 includes a first filter material 310 , a second filter material 320 and a third filter material 330 . The first filter material 310 , the second filter material 320 and the third filter material 330 are all ring-shaped. The first filter material 310 is sleeved and tightly attached to the second filter material 320 , and the second filter material 320 is sleeved and tightly attached to the third filter material 330 .

[0039] Preferably, the first filter material 310 is made of PP (polypropylene) or non-woven fabric, the third filter material 330 is made of PP (polypropylene) or non-woven fabric, and the second filter material 320 is made of carbon fiber.

[0040] According to some embodiments of the present invention, referring to Figure 5 , multiple water outlet holes 120 are distributed circumferentially around the axis of the first annular groove 110 to ensure uniform water outlet.

[0041] According to some embodiments of the present invention, referring to Figure 3 and Figure 5 The first end cover 100 includes a first disc 131, a first inner annular wall 132 and a first outer annular wall 133. The first inner annular wall 132 and the first outer annular wall 133 are located below the first disc 131, and the first inner annular wall 132 is located on the inner side of the first outer annular wall 133. The upper end of the first inner annular wall 132 is fixedly connected to the lower surface of the first disc 131, and the upper end of the first outer annular wall 133 is fixedly connected to the lower surface of the first disc 131. The first inner annular wall 132 is the inner side wall of the first annular groove 110, and the first outer annular wall 133 is the outer side wall of the first annular groove 110. The first outer annular wall 133 and the first inner annular wall 132 cooperate to clamp the filter material assembly 300.

[0042] According to some embodiments of the present invention, referring to Figure 3 and Figure 5 The upper surface of the first disc 131 is provided with an upper annular wall 134 extending upward, and the water outlet 120 is located on the inner side of the upper annular wall 134 and on the outer side of the first inner annular wall 132 .

[0043] According to some embodiments of the present invention, referring to Figure 3 and Figure 6The second end cover 200 includes a second disc 231, a second inner annular wall 232 and a second outer annular wall 233. The second inner annular wall 232 and the second outer annular wall 233 are located above the second disc 231, and the second inner annular wall 232 is located on the inner side of the second outer annular wall 233. The lower end of the second inner annular wall 232 is fixedly connected to the upper surface of the second disc 231, and the lower end of the second outer annular wall 233 is fixedly connected to the upper surface of the second disc 231. The second inner annular wall 232 is the inner side wall of the second annular groove 210, and the second outer annular wall 233 is the outer side wall of the second annular groove 210. The second outer annular wall 233 and the second inner annular wall 232 cooperate to clamp the filter material assembly 300.

[0044] According to some embodiments of the present invention, referring to Figure 3 and Figure 6 The water inlet hole 220 is located on the inner side of the second inner annular wall 232 .

[0045] Throughout this specification, references to the term "some embodiments" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0046] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to the embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the claims and their equivalents.

Claims

1. A double-circle pollution-receiving composite filter element, used in water purifiers, characterized in that: include: A first end cover (100), wherein a first annular groove (110) is provided on a lower surface of the first end cover (100), and a water outlet hole (120) is provided on an upper wall of the first annular groove (110); a second end cover (200), the second end cover (200) being located below the first end cover (100), a water inlet hole (220) being provided in the middle of the second end cover (200), a second annular groove (210) being provided on the upper surface of the second end cover (200), and the water inlet hole (220) being located on the inner side of the second annular groove (210); A filter material assembly (300), wherein the filter material assembly (300) is annular, the upper end of the filter material assembly (300) is inserted into the first annular groove (110), and the lower end of the filter material assembly (300) is inserted into the second annular groove (210); Raw water can enter the filter material assembly (300) from the outside of the filter material assembly (300) to be filtered, and then be discharged from the water outlet (120); raw water can enter the inside of the filter material assembly (300) from bottom to top through the water inlet (220), enter the inside of the filter material assembly (300) from the inside of the filter material assembly (300) to be filtered, and then be discharged from the water outlet (120).

2. The double-circle pollution-holding composite filter element according to claim 1, characterized in that: The filter material assembly (300) comprises a first filter material (310), a second filter material (320) and a third filter material (330); the first filter material (310), the second filter material (320) and the third filter material (330) are all ring-shaped; the first filter material (310) is sleeved on and closely attached to the second filter material (320); and the second filter material (320) is sleeved on and closely attached to the third filter material (330).

3. The double-circle pollution-holding composite filter element according to claim 1, characterized in that: The plurality of water outlet holes (120) are circumferentially distributed around the axis of the first annular groove (110).

4. The double-circle pollution-holding composite filter element according to claim 1, characterized in that: The first end cover (100) includes a first disc (131), a first inner annular wall (132) and a first outer annular wall (133), wherein the first inner annular wall (132) and the first outer annular wall (133) are located below the first disc (131), the first inner annular wall (132) is located on the inner side of the first outer annular wall (133), the upper end of the first inner annular wall (132) is fixedly connected to the lower surface of the first disc (131), the upper end of the first outer annular wall (133) is fixedly connected to the lower surface of the first disc (131), the first inner annular wall (132) is the inner side wall of the first annular groove (110), and the first outer annular wall (133) is the outer side wall of the first annular groove (110).

5. The double-circle pollution-holding composite filter element according to claim 4, characterized in that: An upper annular wall (134) extending upward is provided on the upper surface of the first disc (131), and the water outlet (120) is located on the inner side of the upper annular wall (134) and on the outer side of the first inner annular wall (132).

6. The double-circle pollution-holding composite filter element according to claim 1, characterized in that: The second end cover (200) comprises a second disc (231), a second inner annular wall (232) and a second outer annular wall (233); the second inner annular wall (232) and the second outer annular wall (233) are located above the second disc (231); the second inner annular wall (232) is located on the inner side of the second outer annular wall (233); the lower end of the second inner annular wall (232) is fixedly connected to the upper surface of the second disc (231); the lower end of the second outer annular wall (233) is fixedly connected to the upper surface of the second disc (231); the second inner annular wall (232) is the inner side wall of the second annular groove (210); and the second outer annular wall (233) is the outer side wall of the second annular groove (210).

7. The double-circle pollution-holding composite filter element according to claim 6, characterized in that: The water inlet hole (220) is located on the inner side of the second inner annular wall (232).

8. A water purifier, characterized in that: It comprises a double-circle pollution-holding composite filter element as described in any one of claims 1 to 7.

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