Filter layer structure, filter element and kettle

Abstract

The utility model provides a filter layer structure, a filter element and a kettle, the filter layer structure has a tiled state, and in the tiled state, the filter layer structure comprises a support layer, a filter element, a water inlet and a water outlet; the first hydrophilic protection layer is arranged above the supporting layer, and the first end of the first hydrophilic protection layer corresponds to the first end of the supporting layer; the filter medium layer is arranged above the supporting layer and located in the length direction of the first hydrophilic protection layer, the first end of the filter medium layer faces the second end of the first hydrophilic protection layer, and the second end of the filter medium layer corresponds to the second end of the supporting layer. According to the technical scheme, the problem that the flow velocity of filtered water is reduced due to the fact that the filtering medium layer is compacted in the related technology is effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid purification, and in particular to a filter layer structure, a filter element and a kettle. Background Art

[0002] In household water purifiers, filter elements are generally used to filter drinking water to remove impurities in the water. The filter element in the related art includes a winding filter layer structure. During the winding process, the filter medium layers of the filter layer structure squeeze each other, so that the filter medium layers are compacted, resulting in a significant reduction in the flow rate of filtered water, affecting the water use experience. Utility Model Content

[0003] The main purpose of the utility model is to provide a filter layer structure, a filter element and a kettle, so as to solve the problem in the related art that the filter medium layer is compacted, so that the flow rate of filtered water is reduced.

[0004] In order to achieve the above-mentioned purpose, according to one aspect of the utility model, a filter layer structure is provided, and the filter layer structure has a flat state. In the flat state, the filter layer structure includes: a support layer; a first hydrophilic protective layer, which is arranged above the support layer, and the first end of the first hydrophilic protective layer corresponds to the first end of the support layer; a filter medium layer, which is arranged above the support layer, and the filter medium layer is located in the length direction of the first hydrophilic protective layer, the first end of the filter medium layer faces the second end of the first hydrophilic protective layer, and the second end of the filter medium layer corresponds to the second end of the support layer.

[0005] Furthermore, the filter layer structure also includes a second hydrophilic protective layer, a first end of the second hydrophilic protective layer is connected to the second end of the support layer, and the second end of the second hydrophilic protective layer is away from the second end of the support layer along the length direction of the support layer.

[0006] Further, the length of the supporting layer is greater than or equal to the length of the first hydrophilic protective layer, and the second end of the first hydrophilic protective layer is shorter than or flush with the second end of the supporting layer.

[0007] Furthermore, the length of the support layer is greater than or equal to the sum of the lengths of the first hydrophilic protection layer and the filter medium layer.

[0008] Furthermore, the filter layer structure also has a winding state. In the winding state, the support layer separates the first hydrophilic protective layer and the filter medium layer in the inner and outer directions of the filter layer structure.

[0009] Furthermore, the filter layer structure also has a winding state. When maintained in the winding state, in the inner and outer directions of the filter layer structure, a portion of the support layer separates the first hydrophilic protective layer and the filter medium layer, and another portion of the support layer separates the second hydrophilic protective layer and the filter medium layer.

[0010] Furthermore, the first hydrophilic protective layer is located on the inner side of the filter medium layer, and the first hydrophilic protective layer covers the inner side of the filter medium layer.

[0011] Furthermore, the second hydrophilic protective layer is located on the outer side of the filter medium layer, and the second hydrophilic protective layer covers the outer side of the filter medium layer.

[0012] Furthermore, the filter medium layer is a carbon fiber layer, the first hydrophilic protective layer and the second hydrophilic protective layer are both non-woven fabric layers, and the support layer is a support mesh.

[0013] According to another aspect of the utility model, a filter element is provided, including a filter layer structure, the filter layer structure is the above-mentioned filter layer structure, the filter element also includes a support frame, the filter layer structure is wound on the support frame, the support frame has an internal channel, and the side wall of the support frame is provided with a first through hole connecting the pores of the filter layer structure and the internal channel.

[0014] Furthermore, the filter element also includes an upper cover and a bottom cover, the upper cover is arranged at the first end of the supporting frame, the downward extending part of the upper cover is inserted into the supporting frame, the bottom cover is arranged at the second end of the supporting frame, and a second through hole connected to the internal channel is provided on the upper cover, and the filter layer structure covers the first through hole.

[0015] Furthermore, the filter element also includes an outer shell that accommodates the filter layer structure and the bottom cover. The outer shell is a cylindrical structure with an opening on its upper part. The upper part of the outer shell is connected to the upper cover. A flow gap is formed between the outer side of the outer shell, the filter layer structure and the outer side of the bottom cover. A third through hole connected to the flow gap is provided on the outer shell.

[0016] Furthermore, a sealing ring is provided on the upper cover, and the filter element is sealed and installed on the water purification device through the sealing ring.

[0017] According to another aspect of the utility model, a kettle is provided, comprising a filter element, which is the filter element mentioned above.

[0018] By applying the technical solution of the utility model, the filter layer structure has a flat state. In the flat state, the filter layer structure includes: a support layer, a first hydrophilic protective layer and a filter medium layer. The first hydrophilic protective layer is arranged above the support layer, and the first end of the first hydrophilic protective layer corresponds to the first end of the support layer. The filter medium layer is arranged above the support layer, and the filter medium layer is located in the length direction of the first hydrophilic protective layer, the first end of the filter medium layer faces the second end of the first hydrophilic protective layer, and the second end of the filter medium layer corresponds to the second end of the support layer. In this way, during the winding process of the filter layer structure from the flat state, the support layer can separate the layers of the filter medium layer itself, and separate the first hydrophilic protective layer and the filter medium layer, so that the layers of the filter medium layer itself are no longer squeezed against each other, and the filter medium layer and the first hydrophilic protective layer are not squeezed against each other, so as to avoid being compacted. When water flows through the filter medium layer and the first hydrophilic protective layer, the filtration resistance of the filtered water is reduced, the water flow is good, and the flow rate of the filtered water is increased. Therefore, the technical solution of the present application effectively solves the problem that the filter medium layer is compacted in the related art, so that the flow rate of the filtered water is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0020] Figure 1 A schematic diagram of the three-dimensional structure of the filter layer structure according to an embodiment of the filter layer structure of the utility model in a flattened state is shown;

[0021] Figure 2 A schematic diagram of the three-dimensional structure of the filter layer structure in a wound state according to an embodiment of the filter layer structure of the utility model is shown;

[0022] Figure 3 A schematic diagram of the exploded structure of an embodiment of a filter element according to the utility model is shown;

[0023] Figure 4 Shows Figure 3 A cross-sectional schematic diagram of a filter element;

[0024] Figure 5 Shows Figure 3 Schematic diagram of the three-dimensional structure of the filter layer structure and the supporting skeleton of the filter element.

[0025] The above drawings include the following reference numerals:

[0026] 10. Filter layer structure; 11. Support layer; 12. First hydrophilic protective layer; 13. Filter medium layer; 14. Second hydrophilic protective layer;

[0027] 21. Support frame; 211. First through hole; 22. Upper cover; 221. Second through hole; 23. Bottom cover; 24. Shell; 241. Third through hole; 25. Sealing ring. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means a limitation on the utility model and its application or use. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0029] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0030] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the utility model. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be considered as a part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0031] like Figure 1 and Figure 2As shown, the present application provides a filter layer structure, the filter layer structure 10 has a flat state, and in the flat state, the filter layer structure includes: a support layer 11; a first hydrophilic protective layer 12, arranged above the support layer 11, and the first end of the first hydrophilic protective layer 12 corresponds to the first end of the support layer 11; a filter medium layer 13, arranged above the support layer 11, and the filter medium layer 13 is located in the length direction of the first hydrophilic protective layer 12, the first end of the filter medium layer 13 faces the second end of the first hydrophilic protective layer 12, and the second end of the filter medium layer 13 corresponds to the second end of the support layer 11.

[0032] By applying the technical solution of this embodiment, in the flat state, the filter layer structure includes: a support layer 11, a first hydrophilic protective layer 12 and a filter medium layer 13. When the filter layer structure 10 is wound from left to right in the flat state, the support layer 11 can separate the layers of the filter medium layer 13 itself, and separate the first hydrophilic protective layer 12 and the filter medium layer 13, so that the layers of the filter medium layer 13 itself are no longer squeezed against each other, and the filter medium layer 13 and the first hydrophilic protective layer 12 are not squeezed against each other, so as to avoid being compacted. When water flows through the filter medium layer 13 and the first hydrophilic protective layer 12, the filtration resistance of the filtered water is reduced, the water flow is good, and the flow rate of the filtered water is increased. Therefore, the technical solution of this embodiment effectively solves the problem in the related art that the filter medium layer is compacted, resulting in a decrease in the flow rate of the filtered water.

[0033] It should be noted that the first end of the first hydrophilic protective layer 12 corresponds to the first end of the support layer 11, which means that the first end of the first hydrophilic protective layer 12 and the first end of the support layer 11 are located at the same end of the filter layer structure; similarly, the second end of the filter medium layer 13 corresponds to the second end of the support layer 11, which also means the same.

[0034] Specifically, the end face of the first end of the filter medium layer 13 is butted against or separated by a certain distance from the end face of the second end of the first hydrophilic protective layer 12, so that the first end of the filter medium layer 13 and the second end of the first hydrophilic protective layer 12 do not overlap in the up and down directions. The filter medium layer 13 is a carbon fiber layer. During the winding process of the filter layer structure 10 from left to right in a flat state, the first hydrophilic protective layer covers the inner side of the filter medium layer 13, which can block the carbon fiber residue in the carbon fiber layer.

[0035] like Figure 1 and Figure 2As shown, the filter layer structure 10 further includes a second hydrophilic protective layer 14, a first end of the second hydrophilic protective layer 14 is connected to the second end of the support layer 11, and the second end of the second hydrophilic protective layer 14 is away from the second end of the support layer 11 along the length direction of the support layer 11. When the filter layer structure 10 is wound from left to right in a flat state, the first hydrophilic protective layer 12 is located on the inner side of the filter medium layer 13, and the second hydrophilic protective layer 14 is located on the outer side of the filter medium layer 13. The support layer 11 can also separate the filter medium layer 13 and the second hydrophilic protective layer 14. In this way, the filter medium layer 13 is covered by the first hydrophilic protective layer 12 and the second hydrophilic protective layer 14 in its inner and outer directions, and under the support of the support layer 11, the compactness of the filter medium layer 13 itself is ensured, and the filter medium of the filter medium layer 13 itself is prevented from being dispersed into the water, thereby avoiding affecting the filtering effect. Furthermore, the filter medium layer 13 and the second hydrophilic protective layer 14 are not squeezed against each other to avoid being compacted. When water flows through the second hydrophilic protective layer 14 and the filter medium layer 13, the filtering resistance of the filtered water is reduced, the water flow rate is improved, and the flow rate of the filtered water is increased.

[0036] Specifically, in the flat state, the first end of the second hydrophilic protective layer 14 is located below the second end of the supporting layer 11 .

[0037] like Figure 1 and Figure 2 As shown, the length of the support layer 11 is greater than or equal to the length of the first hydrophilic protective layer 12, and the second end of the first hydrophilic protective layer 12 is shorter than or flush with the second end of the support layer. In this way, while ensuring the filtering effect of the filter medium layer 13, during the winding process of the filter layer structure 10 from the flat state, the support layer 11 can separate the first hydrophilic protective layer 12 and the filter medium layer 13, and support the filter medium layer 13 and the first hydrophilic protective layer 12 at the same time.

[0038] Specifically, the thickness of the filter medium layer 13 is greater than or equal to the thickness of the first hydrophilic protective layer 12 .

[0039] like Figure 1 and Figure 2 As shown, the length of the support layer 11 is greater than or equal to the sum of the lengths of the first hydrophilic protective layer 12 and the filter medium layer 13. In this way, when the filter layer structure 10 is rolled up from a flat state, the support layer 11 is ensured to separate the first hydrophilic protective layer 12 and the filter medium layer 13.

[0040] like Figure 1 and Figure 2 As shown, in order to ensure that the support layer 11 can always separate the first hydrophilic protective layer 12 and the filter medium layer 13, the filter layer structure 10 also has a winding state. When maintained in the winding state, the support layer 11 separates the first hydrophilic protective layer 12 and the filter medium layer 13 in the inner and outer directions of the filter layer structure 10.

[0041] like Figure 1 and Figure 2 As shown, in order to ensure that the support layer 11 can always separate the first hydrophilic protective layer 12 and the filter medium layer 13, and always separate the second hydrophilic protective layer 14 and the filter medium layer 13, the filter layer structure 10 also has a winding state. In the winding state, in the inner and outer directions of the filter layer structure 10, a part of the support layer 11 separates the first hydrophilic protective layer 12 and the filter medium layer 13, and another part of the support layer 11 separates the second hydrophilic protective layer 14 and the filter medium layer 13. In this way, the arrangement of the support layer 11 can separate a water passage between the layers of the filter medium layer 13 itself, prevent the layers of the filter medium layer 13 from squeezing each other, and greatly improve the flow rate of the filtered water.

[0042] like Figure 1 and Figure 2 As shown, the first hydrophilic protective layer 12 is located on the inner side of the filter medium layer 13, and the first hydrophilic protective layer 12 covers the inner side of the filter medium layer 13. The second hydrophilic protective layer 14 is located on the outer side of the filter medium layer 13, and the second hydrophilic protective layer 14 covers the outer side of the filter medium layer 13. Preferably, the two ends of the first hydrophilic protective layer 12 are connected to and completely cover the inner side of the filter medium layer 13, and the two ends of the second hydrophilic protective layer 14 are connected to and completely cover the outer side of the filter medium layer 13. In this way, the filter medium layer 13 is effectively covered by the first hydrophilic protective layer 12 and the second hydrophilic protective layer 14 in its inner and outer directions, and under the support of the support layer 11, the compactness of the filter medium layer 13 itself is guaranteed, and the filter medium of the filter medium layer 13 itself is prevented from being dispersed into the water, thereby avoiding affecting the filtering effect.

[0043] In the flattened state, the filter layer structure 10 of this embodiment has no overlapping part between the first hydrophilic protective layer 12 and the second hydrophilic protective layer 14, so that the volume of the filter layer structure 10 is small. In addition, when the filter layer structure 10 is kept in a wound state, a part of the support layer 11 separates the first hydrophilic protective layer 12 and the filter medium layer 13, and another part of the support layer 11 separates the second hydrophilic protective layer 14 and the filter medium layer 13, so that the filter medium layer 13, the first hydrophilic protective layer 12 and the second hydrophilic protective layer 14 do not directly overlap each other in the inner and outer directions of the filter layer structure 10. The various parts of the filter layer structure 10 are arranged reasonably, which reduces the difficulty of assembly and is conducive to improving production efficiency.

[0044] Preferably, both ends of the first hydrophilic protective layer 12 and both ends of the second hydrophilic protective layer 14 may be connected by bonding or ultrasonic welding.

[0045] like Figure 1 and Figure 2As shown, in order to ensure the filtering effect of the filter layer structure 10, the filter medium layer 13 is a carbon fiber layer, the first hydrophilic protective layer 12 and the second hydrophilic protective layer 14 are both non-woven fabric layers, and the support layer 11 is a support mesh.

[0046] The present application also provides a filter element, such as Figures 3 to 5 As shown, the filter element includes a filter layer structure 10, and the filter layer structure is the above-mentioned filter layer structure. Since the above-mentioned filter layer structure can solve the problem that the filter medium layer in the related art is compacted, so that the flow rate of the filtered water is reduced, the filter element including the filter layer structure can solve the same technical problem. The filter element also includes a support skeleton 21, and the filter layer structure 10 is wound on the support skeleton 21. The support skeleton 21 has an internal channel, and the side wall of the support skeleton 21 is provided with a first through hole 211 that connects the pores of the filter layer structure 10 and the internal channel. Water is filtered through the pores of the filter layer structure 10 from the outside of the filter layer structure 10, and then flows into the internal channel through the first through hole 211. The support skeleton 21 can support the filter layer structure 10, ensure that the filter layer structure 10 can be stably maintained in a wound state, prevent the filter layer structure 10 from being distorted by the water flow after being used for a period of time, and ensure the sealing and filtering effect.

[0047] like Figures 3 to 5 As shown, in order to facilitate the installation of the filter element on the water purification device, the filter element also includes an upper cover 22 and a bottom cover 23, the upper cover 22 is covered on the first end of the support frame 21, the downwardly extending portion of the upper cover 22 is inserted into the support frame 21, the bottom cover 23 is covered on the second end of the support frame 21, the upper cover 22 is provided with a second through hole 221 communicating with the internal channel, the filter layer structure 10 covers the first through hole 211, and the upper cover 22 and the bottom cover 23 are respectively sealed and connected to the filter layer structure 10. In this way, the upper cover 22 is installed on the water purification device to achieve installation. And the upper cover 22 and the bottom cover 23 can protect the upper and lower ends of the filter layer structure 10 respectively.

[0048] like Figures 3 to 5 As shown, the filter element further includes a housing 24 for accommodating the filter layer structure 10 and the bottom cover 23. The housing 24 is a cylindrical structure with an opening at the upper portion thereof. The upper portion of the housing 24 is connected to the upper cover 22. A flow gap is formed between the housing 24, the outer side of the filter layer structure 10 and the outer side of the bottom cover 23. A third through hole 241 communicating with the flow gap is provided on the housing 24. The housing 24 can protect the outer side of the filter layer structure 10. Water flows from the outside of the filter layer structure 10 to the third through hole 241, and then flows into the pores of the filter layer structure 10 through the flow gap to be filtered to form filtered water. The filtered water flows from the first through hole 211 to the internal channel, and then is poured out through the second through hole 221.

[0049] like Figures 3 to 5As shown, in order to ensure the sealing of the filter element when installed on the water purification device, a sealing ring 25 is provided on the upper cover 22, and the filter element is sealed and installed on the water purification device through the sealing ring 25.

[0050] The present application also provides a kettle, which includes a filter element, and the filter element is the filter element mentioned above. Since the above-mentioned filter element can solve the problem in the related technology that the filter medium layer is compacted, thereby reducing the flow rate of filtered water, the kettle including the filter element can solve the same technical problem.

[0051] In the description of the present utility model, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present utility model; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0052] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0053] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.

[0054] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A filter layer structure, characterized in that: The filter layer structure (10) has a flat state. In the flat state, the filter layer structure comprises: Support layer (11); A first hydrophilic protective layer (12) is arranged above the support layer (11), wherein a first end of the first hydrophilic protective layer (12) corresponds to a first end of the support layer (11); A filter medium layer (13) is arranged above the support layer (11), and the filter medium layer (13) is located in the length direction of the first hydrophilic protective layer (12), the first end of the filter medium layer (13) faces the second end of the first hydrophilic protective layer (12), and the second end of the filter medium layer (13) corresponds to the second end of the support layer (11).

2. The filter layer structure according to claim 1, characterized in that: The filter layer structure (10) further comprises a second hydrophilic protective layer (14), wherein a first end of the second hydrophilic protective layer (14) is connected to a second end of the support layer (11), and a second end of the second hydrophilic protective layer (14) is away from the second end of the support layer (11) along a length direction of the support layer (11).

3. The filter layer structure according to claim 1, characterized in that: The length of the support layer (11) is greater than or equal to the length of the first hydrophilic protective layer (12), and the second end of the first hydrophilic protective layer (12) is shorter than or flush with the second end of the support layer.

4. The filter layer structure according to claim 1, characterized in that: The length of the support layer (11) is greater than or equal to the sum of the lengths of the first hydrophilic protective layer (12) and the filter medium layer (13).

5. The filter layer structure according to claim 1, characterized in that: The filter layer structure (10) also has a wound state. In the wound state, the support layer (11) separates the first hydrophilic protective layer (12) and the filter medium layer (13) in the inner and outer directions of the filter layer structure (10).

6. The filter layer structure according to claim 2, characterized in that: The filter layer structure (10) also has a wound state. When maintained in the wound state, in the inner and outer directions of the filter layer structure (10), a portion of the support layer (11) separates the first hydrophilic protective layer (12) and the filter medium layer (13), and another portion of the support layer (11) separates the second hydrophilic protective layer (14) and the filter medium layer (13).

7. The filter layer structure according to claim 6, characterized in that: The first hydrophilic protective layer (12) is located on the inner side of the filter medium layer (13), and the first hydrophilic protective layer (12) covers the inner side of the filter medium layer (13).

8. The filter layer structure according to claim 7, characterized in that: The second hydrophilic protective layer (14) is located on the outer side of the filter medium layer (13), and the second hydrophilic protective layer (14) covers the outer side of the filter medium layer (13).

9. The filter layer structure according to claim 2, characterized in that: The filter medium layer (13) is a carbon fiber layer, the first hydrophilic protective layer (12) and the second hydrophilic protective layer (14) are both non-woven fabric layers, and the support layer (11) is a support mesh.

10. A filter element, comprising a filter layer structure (10), characterized in that: The filter layer structure is the filter layer structure described in any one of claims 1 to 9, and the filter element also includes a support skeleton (21), the filter layer structure (10) is wound on the support skeleton (21), the support skeleton (21) has an internal channel, and the side wall of the support skeleton (21) is provided with a first through hole (211) connecting the pores of the filter layer structure (10) and the internal channel.

11. The filter element according to claim 10, characterized in that: The filter element further comprises an upper cover (22) and a bottom cover (23); the upper cover (22) is arranged on the first end of the support frame (21); a portion of the upper cover (22) extending downward is inserted into the support frame (21); the bottom cover (23) is arranged on the second end of the support frame (21); a second through hole (221) communicating with the internal channel is provided on the upper cover (22); and the filter layer structure (10) covers the first through hole (211).

12. The filter element according to claim 11, characterized in that: The filter element further comprises a shell (24) for accommodating the filter layer structure (10) and the bottom cover (23); the shell (24) is a cylindrical structure with an opening at the upper portion thereof; the upper portion of the shell (24) is connected to the upper cover (22); a flow gap is formed between the shell (24), the outer side of the filter layer structure (10) and the outer side of the bottom cover (23); and the shell (24) is provided with a third through hole (241) connected to the flow gap.

13. The filter element according to claim 11, characterized in that: The upper cover (22) is provided with a sealing ring (25), and the filter element is sealed and installed on the water purification device through the sealing ring (25).

14. A kettle, comprising a filter element, characterized in that: The filter element is the filter element according to any one of claims 10 to 13.

Images