Filter element

Abstract

The filter element comprises a connecting shell with a containing cavity, a filter material set arranged in the containing cavity and a cover arranged on the connecting shell, and a water outlet hole is formed in the bottom of the connecting shell; the upper side of the cover is provided with an upper convex part which protrudes upwards, and the upper convex part comprises a left lower inclined part which is obliquely arranged from the middle to the left lower part and a right lower inclined part which is obliquely arranged from the middle to the right lower part; a plurality of left water inlet holes are formed in the left lower inclined part at intervals, and a plurality of right water inlet holes are formed in the right lower inclined part at intervals. According to the invention, not only can the formation of a water film be effectively reduced through the height difference of the inclined surfaces so as to improve the water inlet rate, but also unfiltered water can be in contact with the filter material group in the middle position firstly and then spread in the peripheral direction so as to be in full and effective contact with the filter material group, so that a full and effective filtering effect can be realized, and the water quality is improved. And the service life of the filter element can be further prolonged.

Description

Technical Field

[0001] This application relates to the technical field of filtration, and particularly to a filter element. Background Art

[0002] A water purifier kettle is a household drinking water filtration device used to purify drinking water for families that cannot install a filtration system due to economic conditions or for short-term residents. It filters scale, heavy metals, particulate impurities, plankton, odors, etc. in water through an internal filter element to improve water quality and taste.

[0003] However, the water inlet effect of most existing filter elements for water purifier kettles is average. The reason is that when water enters through the lid, a water inlet film is likely to appear, which easily affects the water inlet rate. Therefore, those skilled in the art urgently need to develop a new type of filter element to meet the actual application requirements. Utility Model Content

[0004] The main purpose of this application is to provide a filter element, aiming to solve the above technical problems.

[0005] To achieve the above purpose, this application provides a filter element, which includes a connection housing having a receiving cavity, a filter media group disposed in the receiving cavity, and a lid disposed on the connection housing. An outlet hole communicating with the receiving cavity is opened at the bottom of the connection housing;

[0006] An upward convex portion is provided on the upper side of the lid. The convex portion includes a left-lower inclined portion inclined from the middle to the lower left direction and a right-lower inclined portion inclined from the middle to the lower right direction; a plurality of left water inlet holes are spaced apart and opened on the left-lower inclined portion, and a plurality of right water inlet holes are spaced apart and opened on the right-lower inclined portion.

[0007] For the filter element as described above, the convex portion further includes an intermediate connection portion disposed between the left-lower inclined portion and the right-lower inclined portion. An enlarged water inlet hole is opened on the upper side of the intermediate connection portion, and a downward extension portion extending downward is provided on the lower side thereof. A communication groove is opened on the inner side of the downward extension portion and is arranged with an opening facing downward and communicating with the enlarged water inlet hole up and down;

[0008] A covering layer is further provided on the lid and located below the communication groove for covering the opening of the communication groove.

[0009] For the filter element as described above, the width dimension of the left water inlet hole is equal to the width dimension of the right water inlet hole;

[0010] The width dimension of the enlarged water inlet hole is greater than the width dimension of the left water inlet hole.

[0011] For the filter element as described above, an upward convex taking and placing portion is further provided on the lid and located above the intermediate connection portion and protruding upward.

[0012] For the filter element as described above, concave positions that are recessed inward are provided on both the left and right sides of the upper convex handling portion.

[0013] For the filter element as described above, a communicating water inlet hole that communicates with the communicating groove is provided on the upper side of the upper convex handling portion.

[0014] For the filter element as described above, the filter media group includes a granular filter media, an activated carbon fiber filter layer, and a filter cotton layer that are sequentially arranged from top to bottom.

[0015] For the filter element as described above, the filter element further includes a containing bracket that is arranged in the containing cavity and is located above the activated carbon fiber filter layer. A containing groove for containing the granular filter media is provided on the containing bracket, and a through hole that penetrates up and down is provided at the bottom of the containing groove.

[0016] For the filter element as described above, the water outlet holes include a left water outlet hole provided on the left side of the bottom of the connection housing, and a right water outlet hole provided on the right side of the bottom of the connection housing.

[0017] For the filter element as described above, an upper concave annular groove that is concavely arranged is provided on the outer side of the upper part of the connection housing;

[0018] The filter element further includes a sealing ring that is connected to the upper concave annular groove.

[0019] Compared with the prior art, the above application has the following advantages:

[0020] In the filter element of the present application, by providing a left water outlet hole and a right water outlet hole that are arranged left and right at the bottom of the containing housing, two water outlet positions that are distributed left and right are formed; subsequently, by providing a lower left inclined portion and a lower right inclined portion on the upper side of the lid, a structural design in which both the left and right sides climb upward to the middle is formed, and the left water inlet holes are sequentially and spacedly distributed along the inclined direction of the lower left inclined portion, and the right water inlet holes are also sequentially and spacedly distributed along the inclined direction of the lower right inclined portion. Then, when the unfiltered water is poured into the water purifying kettle, the unfiltered water first enters the containing cavity through the left water inlet holes and the right water inlet holes located at a higher position, and then enters the containing cavity through the left water inlet holes and the right water inlet holes located at a lower position. Thus, not only can the formation of a water film be effectively reduced through the height difference of the inclined surface to improve the water inlet rate, but also the unfiltered water can first contact the filter media group located in the middle position and then spread and contact in all directions, so as to achieve sufficient and effective contact with the filter media group. Finally, the filtered clean water flows out through the left water outlet hole and the right water outlet hole respectively. Furthermore, not only can a sufficient and effective filtering effect be achieved, but also the service life of the filter element can be further extended, and an outstanding use effect of environmental protection and low carbon can be achieved. Description of the Drawings

[0021] To more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0022] Figure 1 It is a perspective view of the filter element of the present application.

[0023] Figure 2 It is an exploded view of the filter element of the present application.

[0024] Figure 3 It is a perspective view of the housing shell described in the filter element of the present application.

[0025] Figure 4 It is a perspective view of the lid described in the filter element of the present application.

[0026] Figure 5 It is Figure 4 a partial enlarged view of Figure Ⅰ .

[0027] Figure 6 It is Figure 4 a partial enlarged view of Figure Ⅱ .

[0028] Figure 7 It is another perspective view of the lid described in the filter element of the present application.

[0029] Figure 8 It is Figure 7 a partial enlarged view of Figure Ⅲ .

[0030] Figure 9 It is a cross-sectional view of the filter element of the present application with the activated carbon fiber filter layer hidden.

[0031] Figure 10 It is Figure 9 a partial enlarged view of Figure Ⅳ .

[0032] Figure 11 It is Figure 9 a partial enlarged view of Figure Ⅴ .

[0033] Figure 12 It is an exploded view of the housing shell and the sealing ring described in the filter element of the present application.

[0034] Figure 13 It is Figure 12 a partial enlarged view of Figure Ⅵ . Detailed implementation manners

[0035] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative efforts shall fall within the protection scope of the present application.

[0036] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will change accordingly.

[0037] In addition, the descriptions involving "first", "second", etc. in the present application are only for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present application.

[0038] In an embodiment of the present application, as Figures 1 to 13 shown, a filter element includes a connection housing 1 having a receiving cavity 101, a filter material group 2 disposed in the receiving cavity 101, and a lid 3 disposed on the connection housing 1; a water outlet hole communicating with the receiving cavity 101 is formed at the bottom of the connection housing 1, and the water outlet hole includes a left water outlet hole 102 disposed on the left side of the bottom of the connection housing 1 and a right water outlet hole 103 disposed on the right side of the bottom of the connection housing 1;

[0039] An upward convex portion 31 is provided on the upper side of the lid 3, and the convex portion 31 includes a left-lower inclined portion 311 inclined from the middle to the lower left direction and a right-lower inclined portion 312 inclined from the middle to the lower right direction; a plurality of left water inlet holes 3111 are formed at intervals on the left-lower inclined portion 311, and a plurality of right water inlet holes 3121 are formed at intervals on the right-lower inclined portion 312.

[0040] In this application, the filter element forms two water outlet positions distributed left and right by opening a left water outlet hole 102 and a right water outlet hole 103 which are arranged left and right at the bottom of the housing 1. Subsequently, through the left lower inclined part 311 and the right lower inclined part 312 arranged on the upper side of the lid 3, a structural design of climbing upward from both left and right sides to the middle is formed. The left water inlet holes 3111 are arranged at intervals along the inclined direction of the left lower inclined part 311, and the right water inlet holes 3121 are also arranged at intervals along the inclined direction of the right lower inclined part 312. Then, when the unfiltered water is poured into the water purifying kettle, the unfiltered water first enters the accommodating cavity 101 through the left water inlet holes 3111 and the right water inlet holes 3121 located at a higher position, and then enters the accommodating cavity 101 through the left water inlet holes 3111 and the right water inlet holes 3121 located at a lower position. Thus, not only can the formation of the water film be effectively reduced through the height difference of the inclined plane to improve the water inlet rate, but also the unfiltered water can first contact the filter media group 2 located in the middle position and then spread and contact in all directions, so as to achieve full and effective contact with the filter media group 2. Finally, the filtered clean water flows out through the left water outlet hole 102 and the right water outlet hole 103 respectively, thereby achieving a full and effective filtering effect, further prolonging the service life of the filter element, and also achieving the prominent use effect of environmental protection and low carbon.

[0041] Furthermore, the filter media group 2 includes a granular filter media 21, an activated carbon fiber filter layer 22, and a filter cotton layer 23 which are arranged in sequence from top to bottom. The granular filter media 21 is preferably a filtering resin. Its advantages are that the filtering resin has a good effect of adsorbing organic substances, can effectively filter particles and impurities, and has prominent effects such as removing peculiar smells; the activated carbon fiber filter layer 22 has a strong adsorption capacity to remove residual chlorine, organic substances, and minute organisms in the water; the filter cotton layer 23 is used for filtering water, regulating the water outlet rate, and also supporting the activated carbon fiber filter layer 22 to prevent the activated carbon fiber filter layer 22 from collapsing and blocking the water outlet holes. Thus, through the laminated design of the filtering resin, the activated carbon fiber filter layer 22, and the filter cotton layer 23, the water filtering effect can be maximally improved, and the service life can be further improved.

[0042] Still further, the upper convex part 31 further includes an intermediate connecting part 313 arranged between the left lower inclined part 311 and the right lower inclined part 312. An enlarged water inlet hole 3131 is opened on the upper side of the intermediate connecting part 313, and a downward extending part 3132 is provided on its lower side. A communicating groove 31321 which is arranged with an opening downward and is vertically communicated with the enlarged water inlet hole 3131 is opened inside the downward extending part 3132;

[0043] A covering layer 32 is further provided on the lid 3 and is located below the communication groove 31321 for covering the opening of the communication groove 31321. The covering layer 32 is a nylon layer or a non-woven fabric layer, and its purpose is to cover the opening of the communication groove 31321, which can not only prevent the filtering resin from flowing out of the housing 1 through the communication groove 31321 and then through the enlarged water inlet hole 3131, but also control the water flow rate flowing through the enlarged water inlet hole 3131 to avoid directly impacting the filtering resin.

[0044] Furthermore, the width dimension of the left water inlet hole 3111 is equal to the width dimension of the right water inlet hole 3121; the width dimension of the enlarged water inlet hole 3131 is greater than the width dimension of the left water inlet hole 3111. In this application, the width dimensions of the left water inlet hole 3111 and the right water inlet hole 3121 are set to be relatively small to prevent the filtering resin from leaking out, and the width dimension of the enlarged water inlet hole 3131 is set to be greater than the width dimension of the left water inlet hole 3111 to accelerate the water body entering the filter media group 2 through the enlarged water inlet hole 3131, so as to improve the water filtration rate.

[0045] Furthermore, an upwardly convex lifting and placing portion 33 is further provided on the lid 3 and is located above the intermediate connecting portion 313. Concave positions 331 are provided on both the left and right sides of the upwardly convex lifting and placing portion 33. The purpose is to facilitate the user to grasp the concave positions 331, so as to facilitate the user to place the filter element into the water purifying kettle or remove it from the water purifying kettle to replace a new filter element.

[0046] Furthermore, a communication water inlet hole 332 communicating with the communication groove 31321 is opened on the upper side of the upwardly convex lifting and placing portion 33. The purpose is to utilize the reasonable space to increase the number of water inlet holes.

[0047] Furthermore, the filter element further includes a receiving bracket 4 provided in the receiving cavity 101 and located above the activated carbon fiber filter layer 22. A receiving groove 41 for receiving the granular filter media 21 is opened on the receiving bracket 4, and a through hole 411 penetrating up and down is opened at the bottom of the receiving groove 41. The advantage of adopting the receiving bracket 4 in this application is that it can press down and limit the activated carbon fiber filter layer 22 to prevent the activated carbon fiber filter layer 22 from shifting.

[0048] Furthermore, an upwardly concave upper concave annular groove 104 is opened on the outer side of the upper part of the connecting housing 1; the filter element further includes a sealing ring 5 connected to the upper concave annular groove 104. The purpose is to achieve a sealed connection with the water purifying kettle to form an effective water filtration function.

[0049] As described above, an implementation manner is provided in combination with specific content, and it is not determined that the specific implementation of this application is only limited to these descriptions. Any approximation or similarity to the method, structure, etc. of this application, or any technical deduction or replacement made on the premise of the concept of this application, should be regarded as the protection scope of this application.

Claims

1. A filter element, comprising a connecting shell (1) having a receiving cavity (101), a filter material group (2) arranged in the receiving cavity (101), and a cover (3) arranged on the connecting shell (1), wherein a water outlet hole communicating with the receiving cavity (101) is provided at the bottom of the connecting shell (1), characterized in that: An upwardly protruding upper portion (31) is provided on the upper side of the cover (3), and the upper protruding upper portion (31) comprises a left lower inclined portion (311) inclined from the center to the lower left, and a right lower inclined portion (312) inclined from the center to the lower right; a plurality of left water inlet holes (3111) arranged at intervals are provided on the left lower inclined portion (3111), and a plurality of right water inlet holes (3121) arranged at intervals are provided on the right lower inclined portion (312).

2. The filter element according to claim 1, characterized in that: The upper convex portion (31) further comprises an intermediate connecting portion (313) arranged between the lower left inclined portion (311) and the lower right inclined portion (312); an enlarged water inlet hole (3131) is provided on the upper side of the intermediate connecting portion (313), and a lower extending portion (3132) extending downward is provided on the lower side thereof; a connecting groove (31321) is provided on the inner side of the lower extending portion (3132) and is arranged with an opening facing downward and is connected with the enlarged water inlet hole (3131) from top to bottom; The cover (3) is also provided with a covering layer (32) located at the lower side of the communicating groove (31321) for covering the opening of the communicating groove (31321).

3. The filter element according to claim 2, characterized in that: The width of the left water inlet hole (3111) is equal to the width of the right water inlet hole (3121); The width dimension of the enlarged water inlet hole (3131) is greater than the width dimension of the left water inlet hole (3111).

4. The filter element according to claim 2, characterized in that: The cover (3) is also provided with an upwardly protruding taking and placing portion (33) which is located on the upper side of the middle connecting portion (313) and protrudes upward.

5. The filter element according to claim 4, characterized in that: The left and right sides of the upper convex taking and placing portion (33) are both provided with inwardly concave positions (331).

6. The filter element according to claim 4, characterized in that: A communicating water inlet hole (332) communicating with the communicating groove (31321) is provided on the upper side of the upper convex taking-and-putting portion (33).

7. The filter element according to claim 2, characterized in that: The filter material group (2) comprises a particle filter material (21), an activated carbon fiber filter layer (22) and a filter cotton layer (23) which are arranged in sequence from top to bottom.

8. The filter element according to claim 7, characterized in that: The filter element further comprises a containing bracket (4) arranged in the containing cavity (101) and located on the upper side of the activated carbon fiber filter layer (22); a containing groove (41) for containing the particle filter material (21) is provided on the containing bracket (4); a through hole (411) penetrating from top to bottom is provided at the bottom of the containing groove (41).

9. The filter element according to claim 1, characterized in that: The water outlet holes comprise a left water outlet hole (102) arranged on the left side of the bottom of the connecting shell (1), and a right water outlet hole (103) arranged on the right side of the bottom of the connecting shell (1).

10. The filter element according to claim 1, characterized in that: The outer side of the upper part of the connecting shell (1) is provided with an upwardly concave annular groove (104); The filter element also includes a sealing ring (5) connected to the upper concave annular groove (104).

Images