Filter element assembly and water drinking equipment

Abstract

The utility model discloses a filter element assembly and drinking water equipment, and belongs to the technical field of water treatment equipment. The filter element assembly comprises a connector and a pipeline framework, the connector comprises a first barrel, one end of the pipeline framework penetrates through the first barrel, the pipeline framework is provided with a positioning flange, and the positioning flange abuts against the free end of the first barrel in the axial direction of the pipeline framework and is used for limiting the relative position of the pipeline framework and the connector in the axial direction. According to the filter element assembly disclosed by the utility model, the structural strength of the filter element assembly can be improved through the matching of the pipeline framework and the connecting joint, so that the working stability of the filter element assembly is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water treatment equipment, in particular to a filter element component and drinking water equipment. Background Art

[0002] Filter element integration is the development trend of water purifiers, which can reduce the size of the water purifier and reduce the frequency of filter element replacement by users. In the related art, the pre-filter element assembly and the post-filter element assembly of the water purifier are separately arranged to achieve the same or different filtering functions. When the user replaces the filter element assembly, it is necessary to replace both filter element assemblies at the same time, which is a relatively complicated operation. The pre-filter element assembly and the post-filter element assembly are integrated into one filter element assembly to form a front and rear composite filter element. When replacing the pre-filter and post-filter elements, only one filter element assembly needs to be replaced, which can reduce the size of the water purifier. In order to composite the pre-filter element assembly and the post-filter element assembly, the filter element is required to have a strong structural strength. Utility Model Content

[0003] The utility model aims to solve one of the technical problems in the related art at least to a certain extent.

[0004] To this end, one purpose of the utility model is to provide a filter element assembly, which can improve the structural strength of the filter element assembly through the cooperation of the pipeline skeleton and the connecting joint, thereby improving the working stability of the filter element assembly.

[0005] Another object of the present invention is to provide a drinking water device, which includes the aforementioned filter element assembly.

[0006] According to the filter element assembly of the embodiment of the utility model, the filter element assembly includes a connecting joint and a pipeline skeleton, the connecting joint includes a first cylinder, one end of the pipeline skeleton is passed through the first cylinder, the pipeline skeleton is provided with a positioning flange, and the positioning flange is abutted against the free end of the first cylinder along the axial direction of the pipeline skeleton, and is used to limit the relative position of the pipeline skeleton and the connecting joint along the axial direction.

[0007] According to the filter element assembly of the embodiment of the utility model, the structural strength of the filter element assembly can be improved through the cooperation of the pipeline skeleton and the connecting joint, thereby improving the working stability of the filter element assembly.

[0008] In addition, the filter element assembly according to the above embodiment of the utility model may also have the following additional technical features:

[0009] Optionally, the positioning flange extends along the circumference of the pipeline skeleton.

[0010] Optionally, the positioning flange comprises a plurality of positioning flanges, and the plurality of positioning flanges are arranged along the circumference of the pipeline skeleton.

[0011] Optionally, the pipeline skeleton is further provided with a reinforcing rib, which is provided on the outer surface of the pipeline skeleton and connected to the side of the positioning flange facing away from the first cylinder.

[0012] Optionally, the filter element assembly also includes a first filter material, a first end cap and a first filter screen, the first filter material is arranged around the outside of the pipeline skeleton, a first sub-cavity is provided between the first filter material and the pipeline skeleton, the first end cap is connected to the end of the first filter material, and a first flow channel is provided between the first end cap and the first cylinder body, the first filter screen is provided at the end of the first flow channel close to the first sub-cavity, wherein the first filter screen is clamped and positioned between the first cylinder body and the positioning flange.

[0013] Optionally, the first filter screen is fixedly connected to the first end cover; or, the first filter screen is welded to the first end cover; or, a dispersed filter material is provided in the first sub-cavity.

[0014] Optionally, the pipeline skeleton has a first joint, and the first joint is arranged in the first cylinder and is sealed with the first cylinder.

[0015] Optionally, in the axial projection of the pipeline skeleton, the positioning flange extends out of the outer circumferential surface of the first joint.

[0016] Optionally, the pipeline skeleton has a second flow channel, and the first joint is provided with a first opening connected to the second flow channel, the connecting joint is provided with a first interface connected to the first cylinder, and the first opening is provided inside the first cylinder and connected to the first interface.

[0017] Optionally, the pipeline skeleton further has a second joint, and the connecting joint further includes a second cylinder, the second cylinder is arranged on the inner side of the first cylinder, and the second joint is arranged in the second cylinder and sealed with the second cylinder.

[0018] Optionally, the pipeline skeleton further has a third flow channel, the third flow channel has a second opening provided on the pipeline skeleton, the connecting joint is provided with a second interface connected to the second cylinder, and the second opening is provided inside the second cylinder and connected to the second interface.

[0019] According to the drinking water equipment of the embodiment of the utility model, the drinking water equipment includes the filter element assembly mentioned above.

[0020] According to the drinking water equipment of the embodiment of the utility model, the working stability of the drinking water equipment can be improved by applying the aforementioned filter element assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the pipeline skeleton in some embodiments of the utility model.

[0022] Figure 2 It is a cross-sectional view of the pipeline skeleton in some embodiments of the utility model.

[0023] Figure 3 It is a schematic diagram of the filter element assembly in some embodiments of the utility model.

[0024] Figure 4 It is a partial schematic diagram of the filter element assembly in some embodiments of the utility model.

[0025] Reference numerals:

[0026] Filter element assembly 100, connecting joint 10, first cylinder 11, second cylinder 12, pipeline skeleton 20, positioning flange 21, reinforcing rib 22, first joint 23, first opening 231, first positioning groove 232, second joint 24, second opening 241, second positioning groove 242, second flow channel 25, third flow channel 26, first filter material 30, second filter material 40, outer shell 50, first filter chamber 51, first sub-chamber 511, second sub-chamber 512, second filter chamber 52, third sub-chamber 521, fourth sub-chamber 522, first flow channel 53, first end cover 60, first filter screen 70, second filter screen 80, seal 90, axial AA. DETAILED DESCRIPTION

[0027] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0028] The utility model provides a filter element assembly 100 and a drinking water device. The cooperation between a pipeline skeleton 20 and a connecting joint 10 can improve the structural strength of the filter element assembly 100, thereby improving the working stability of the filter element assembly 100.

[0029] Reference Figures 1 to 4 According to the filter element assembly 100 of the embodiment of the utility model, the filter element assembly 100 includes a connecting joint 10 and a pipeline skeleton 20.

[0030] Among them, the connecting joint 10 includes a first cylinder 11, one end of the pipeline skeleton 20 is passed through the first cylinder 11, and the pipeline skeleton 20 is provided with a positioning flange 21. The positioning flange 21 is abutted against the free end of the first cylinder 11 along the axial direction of the pipeline skeleton 20, and is used to limit the relative position of the pipeline skeleton 20 and the connecting joint 10 along the axial direction; such a setting can improve the structural strength of the filter element assembly 100, thereby improving the working stability of the filter element assembly 100.

[0031] Specifically, the connecting joint 10 of the filter element assembly 100 can be connected to an external pipeline to facilitate the flow of water into the filter element assembly 100, which processes the water and then discharges the processed water in the filter element assembly 100 through the connecting joint 10; the pipeline skeleton 20 has multiple flow channels and can be connected to the connecting joint 10, so that the water flow is distributed to multiple chambers of the filter element assembly 100 through multiple flow channels for filtration; the filter element assembly 100 also includes an outer shell 50, and the first cylinder 11 includes a fixed end connected to the outer shell 50 and a free end, the pipeline skeleton 20 can be axially inserted into the first cylinder 11, and the positioning flange 21 on the pipeline skeleton 20 can be axially abutted against the free end of the first cylinder 11, thereby axially limiting the relative position of the pipeline skeleton 20 and the connecting joint 10, realizing the assembly of the connecting joint 10 and the pipeline skeleton 20, and improving the structural strength of the filter element assembly 100.

[0032] Therefore, according to the filter element assembly 100 of the embodiment of the present invention, the structural strength of the filter element assembly 100 can be improved through the cooperation between the pipeline skeleton 20 and the connecting joint 10, thereby improving the working stability of the filter element assembly 100.

[0033] Reference Figures 1 to 4 In some embodiments of the utility model, the positioning flange 21 extends along the circumference of the pipeline skeleton 20; in this way, the contact area between the positioning flange 21 and the first cylinder 11 can be increased, thereby improving the limiting strength of the pipeline skeleton 20 and the connecting joint 10, and further improving the working stability of the filter element assembly 100; and the positioning flange 21 extends along the circumference of the pipeline skeleton 20, so that the positioning flange 21 can be rotated at any angle relative to the first cylinder 11, and the positioning flange 21 can still be abutted against the free end of the first cylinder 11 to improve the assembly efficiency.

[0034] In other embodiments of the present invention, the positioning flange 21 includes multiple positioning flanges 21, and the multiple positioning flanges 21 are arranged along the circumference of the pipeline skeleton 20; in this way, the contact area between the positioning flange 21 and the first cylinder 11 can be increased, thereby increasing the limiting strength between the pipeline skeleton 20 and the connecting joint 10, and further improving the working stability of the filter element assembly 100.

[0035] Reference Figures 1 to 4 In some embodiments of the utility model, the pipeline skeleton 20 is also provided with a reinforcing rib 22, which is arranged on the outer surface of the pipeline skeleton 20 and connected to the side of the positioning flange 21 facing away from the first cylinder 11; in this way, the connection stability between the pipeline skeleton 20 and the connecting joint 10 can be improved, thereby improving the working stability of the filter element assembly 100.

[0036] Specifically, the positioning flange 21 includes a first surface, a second surface and a third surface, the first surface is connected to the outer surface of the pipeline skeleton 20 and extends in a direction away from the pipeline skeleton 20, the third surface is connected to the outer surface of the pipeline skeleton 20 and extends in a direction away from the pipeline skeleton 20, and the second surface extends along the axial direction of the pipeline skeleton 20 and is respectively connected to the first surface and the third surface, thereby forming a positioning flange 21; wherein the first surface is closer to the free end of the first cylinder 11 than the third surface, and is used to be connected with the first cylinder 11 The free ends abut against each other to achieve axial limitation of the piping skeleton 20 and the connecting joint 10. The third surface is farther away from the free end of the first cylinder 11 than the first surface, and the outer surface of the piping skeleton 20 is provided with reinforcing ribs 22, which are connected to the third surface of the positioning flange 21. It can be understood that one side of the positioning flange 21 abuts against the first cylinder 11 for limitation, and the other side of the positioning flange 21 is connected to the reinforcing ribs 22 to increase the structural strength of the positioning flange 21, thereby increasing the limiting strength of the positioning flange 21 and the first cylinder 11.

[0037] Reference Figure 3 and Figure 4 In some embodiments of the present invention, the filter element assembly 100 further includes a first filter material 30 , a first end cap 60 and a first filter screen 70 .

[0038] Among them, the first filter material 30 is arranged around the outside of the pipeline skeleton 20, a first sub-cavity 511 is provided between the first filter material 30 and the pipeline skeleton 20, the first end cover 60 is connected to the end of the first filter material 30, and a first flow channel 53 is provided between the first cylinder 11, and the first filter screen 70 is provided at the end of the first flow channel 53 close to the first sub-cavity 511, wherein the first filter screen 70 is clamped and positioned between the first cylinder 11 and the positioning flange 21; in this way, the installation stability of the first filter screen 70 can be improved, thereby improving the working stability of the filter element assembly 100.

[0039] Specifically, the filter element assembly 100 includes an outer shell 50, the outer shell 50 has a first filter chamber 51, the first filter chamber 51 includes a first sub-chamber 511 and a second sub-chamber 512, the pipeline skeleton 20, the first filter material 30, the first end cover 60 and the first filter screen 70 are arranged in the first filter chamber 51, the first filter material 30 is arranged around the outer side of the pipeline skeleton 20, and a first sub-chamber 511 is provided between the first filter material 30 and the pipeline skeleton 20, a second sub-chamber 512 is provided between the first filter material 30 and the outer shell 50, the connecting joint 10 has a fourth flow channel, and the fourth flow channel is connected to the second sub-chamber 512, the first end cover 60 is arranged at the end of the first filter material 30, and a first flow channel 53 is provided between the first cylinder 11, and the first flow channel 53 is connected to the first sub-chamber 511. When the filter element assembly 100 is working, the water flow can enter the second sub-cavity 512 from the fourth flow channel of the connecting joint 10, then enter the first sub-cavity 511 after passing through the first filter material 30, and then exit the filter element assembly 100 through the first flow channel 53; and in the process of passing through the first flow channel 53, the end of the first flow channel 53 close to the first sub-cavity 511 is provided with a first filter screen 70, which can filter the water flow again to further improve the filtering efficiency of the filter element assembly 100. Of course, the water flow can also flow from the first sub-cavity 511 to the second sub-cavity 512, and the present invention does not limit this.

[0040] In addition, the first flow channel 53 is arranged between the first end cover 60 and the first cylinder 11, and the end of the first flow channel 53 close to the first sub-chamber 511 is provided with a first filter screen 70; in other words, the free end of the first cylinder 11 is provided with a first filter screen 70. Combined with the foregoing, the positioning flange 21 of the pipeline skeleton 20 is axially abutted against the first cylinder 11, so that the first filter screen 70 can be clamped and positioned by the first cylinder 11 and the positioning flange 21, thereby improving the installation strength of the first filter screen 70 in the filter element assembly 100, and then improving the working stability of the filter element assembly 100.

[0041] Furthermore, the first filter screen 70 has two opposite side portions, one side portion of the first filter screen 70 is connected to the first end cover 60, wherein the first filter screen 70 is fixedly connected to the first end cover 60; or, the first filter screen 70 is welded to the first end cover 60; the other side portion of the first filter screen 70 is clamped and positioned between the first cylinder 11 and the positioning flange 21, thereby improving the installation strength of the first filter screen 70.

[0042] In addition, a dispersed filter material is provided in the first sub-cavity 511; specifically, the first filter material 30 can be an integral structure formed by the filter material and has a certain shape and plasticity. When the water flows from the second sub-cavity 512 to the first sub-cavity 511, the first filter material 30 can filter impurities in the water flow. Then, when the water flows in the first sub-cavity 511, the dispersed filter material can filter impurities in the water flow again, thereby improving the water flow treatment efficiency, wherein the dispersed filter material can be in the form of powder, granules, etc.; by setting the first filter screen 70 at the end of the first flow channel 53 close to the first sub-cavity 511, the dispersed filter material is prevented from clogging the first flow channel 53 and the dispersed filter material is prevented from overflowing from the first flow channel 53 from the filter element assembly 100.

[0043] Reference Figures 1 to 4 In some embodiments of the present invention, the pipeline skeleton 20 has a first joint 23, which is arranged in the first cylinder 11 and sealed with the first cylinder 11; in this way, the connection strength between the pipeline skeleton 20 and the connecting joint 10 can be improved, thereby improving the working stability of the filter element assembly 100.

[0044] In detail, the outer circumferential surface of the first joint 23 is provided with a first positioning groove 232, and the first positioning groove 232 can be used to set the sealing member 90; during assembly, the first joint 23 can be inserted into the first cylinder 11, and the outer circumferential surface of the first joint 23 is opposite to the inner circumferential surface of the first cylinder 11 along the radial direction of the pipeline skeleton 20, and is abutted and sealed with the inner circumferential surface of the first cylinder 11 through the sealing member 90, so as to improve the sealing performance of the first filter chamber 51, avoid water overflow, and avoid overflow of the dispersed filter material in the first sub-chamber 511.

[0045] Reference Figures 1 to 4 In some embodiments of the present invention, in the axial projection of the pipeline skeleton 20 , the positioning flange 21 extends out of the outer peripheral surface of the first joint 23 so that the positioning flange 21 and the connecting joint 10 can be limitedly matched.

[0046] Specifically, in the axial projection of the pipeline skeleton 20, the positioning flange 21 extends out of the outer peripheral surface of the first joint 23; it can be understood that, in the axial direction, the radial outer side of the first joint 23 can form an installation space, and the first cylinder 11 of the connecting joint 10 can be arranged in the installation space, wherein the free end of the first cylinder 11 is abutted against the positioning flange 21 along the axial direction of the pipeline skeleton 20 to achieve axial cooperation between the pipeline skeleton 20 and the connecting joint 10, and the inner peripheral surface of the first cylinder 11 and the outer peripheral surface of the first joint 23 can be sealed and connected to achieve radial cooperation between the pipeline skeleton 20 and the connecting joint 10. In this way, the pipeline skeleton 20 and the positioning flange 21 can cooperate in multiple directions to improve the installation strength of the pipeline skeleton 20 and the connecting joint 10, thereby improving the working stability of the filter element assembly 100.

[0047] Reference Figures 1 to 4 In some embodiments of the utility model, the pipeline skeleton 20 has a second flow channel 25, and the first joint 23 is provided with a first opening 231 connected to the second flow channel 25, and the connecting joint 10 is provided with a first interface connected to the first cylinder 11, and the first opening 231 is provided on the inner side of the first cylinder 11 and connected to the first interface; in this way, the flow channel can be opened and closed when the pipeline skeleton 20 is disassembled and assembled, thereby improving the assembly efficiency of the filter element assembly 100.

[0048] Specifically, the housing 50 of the filter element assembly 100 also has a second filter cavity 52, the second filter cavity 52 includes a third sub-cavity 521 and a fourth sub-cavity 522, a second filter material 40 is arranged in the second filter cavity 52, and the second filter material 40 is arranged around the outer side of the pipeline skeleton 20, wherein a third sub-cavity 521 is arranged between the second filter material 40 and the pipeline skeleton 20, a fourth sub-cavity 522 is arranged between the second filter material 40 and the housing 50, and the second flow channel 25 is connected to the fourth sub-cavity 522; in the filter element assembly 1 00 When assembled, the first joint 23 of the pipeline skeleton 20 is inserted into the first cylinder 11 and is sealed with the first cylinder 11, and the positioning flange 21 is limited to the free end of the first cylinder 11, and the first opening 231 of the first joint 23 is connected with the first interface; when the filter element assembly 100 is working, the water flow can flow into the filter element assembly 100 from the first interface of the connecting joint 10, and after flowing through the first cylinder 11, it flows into the second flow channel 25 through the first opening 231, and finally flows to the fourth sub-chamber 522.

[0049] According to the foregoing, it can be understood that the second flow channel 25 is arranged in the pipeline skeleton 20; when the connecting joint 10 is connected to the pipeline skeleton 20, the first interface in the pipeline skeleton 20 is connected to the first opening 231 of the connecting joint 10; when the connecting joint 10 and the pipeline skeleton 20 are disassembled, the first interface in the pipeline skeleton 20 is disconnected from the first opening 231 of the connecting joint 10, thereby improving the disassembly and assembly efficiency of the filter element assembly 100.

[0050] Reference Figures 1 to 4 In some embodiments of the utility model, the pipeline skeleton 20 also has a second joint 24, and the connecting joint 10 also includes a second cylinder 12, the second cylinder 12 is arranged on the inner side of the first cylinder 11, and the second joint 24 is arranged in the second cylinder 12 and is sealed with the second cylinder 12; in this way, the connection strength between the pipeline skeleton 20 and the connecting joint 10 can be improved, thereby improving the working stability of the filter element assembly 100.

[0051] In detail, the outer circumferential surface of the second joint 24 is provided with a second positioning groove 242, and the second positioning groove 242 can be used to set the sealing member 90; during assembly, the second joint 24 can be inserted into the second cylinder 12, and the outer circumferential surface of the second joint 24 is opposite to the inner circumferential surface of the second cylinder 12 along the radial direction of the pipeline skeleton 20, and is abutted and sealed with the inner circumferential surface of the second cylinder 12 through the sealing member 90, so as to improve the sealing performance of the filter element assembly 100, avoid the overflow of water in the filter element assembly 100, and avoid the overflow of dispersed filter materials in the filter element assembly 100.

[0052] Reference Figures 1 to 4 In some embodiments of the utility model, the pipeline skeleton 20 also has a third flow channel 26, the third flow channel 26 has a second opening 241 provided on the pipeline skeleton 20, the connecting joint 10 is provided with a second interface connected to the second cylinder 12, and the second opening 241 is provided on the inner side of the second cylinder 12 and connected to the second interface; in this way, the flow channel can be opened and closed when the pipeline skeleton 20 is disassembled and assembled, thereby improving the assembly efficiency of the filter element assembly 100.

[0053] Specifically, in combination with the foregoing, the third flow channel 26 of the pipeline skeleton 20 can be connected to the third sub-chamber 521; when the filter element assembly 100 is assembled, the second joint 24 of the pipeline skeleton 20 is inserted into the second cylinder 12 and is sealed and connected to the second cylinder 12, and the second opening 241 of the second joint 24 is connected to the second interface; when the filter element assembly 100 is working, the water flow can flow into the filter element assembly 100 from the first interface of the connecting joint 10, and after flowing through the flow channel between the first cylinder 11 and the second cylinder 12, it flows into the second flow channel 25 through the first opening 231, and finally flows to the fourth sub-chamber 522; then from the fourth sub-chamber 522, it passes through the second filter material 40 and enters the third sub-chamber 521 to achieve water filtration, and then enters the third flow channel 26 of the pipeline skeleton 20, and finally discharges the filter element assembly 100 through the second interface and the second opening 241 in sequence.

[0054] According to the foregoing, it can be understood that the third flow channel 26 is arranged in the pipeline skeleton 20; when the connecting joint 10 is connected to the pipeline skeleton 20, the second interface in the pipeline skeleton 20 is connected to the second opening 241 of the connecting joint 10; when the connecting joint 10 and the pipeline skeleton 20 are disassembled, the second interface in the pipeline skeleton 20 is disconnected from the second opening 241 of the connecting joint 10, thereby improving the disassembly and assembly efficiency of the filter element assembly 100.

[0055] Reference Figures 1 to 4 According to the drinking water equipment of the embodiment of the utility model, the drinking water equipment includes the filter element assembly 100 in the above embodiment. By applying the above filter element assembly 100, the working stability of the drinking water equipment can be improved.

[0056] Specifically, the housing 50 of the filter element assembly 100 is provided with a connecting joint 10, and the connecting joint 10 includes a first cylinder 11 and a second cylinder 12, and the second cylinder 12 is arranged on the radial inner side of the first cylinder 11, and the connecting joint 10 is provided with a first opening 231 and a second opening 241, and the first opening 231 is used to connect the flow channel formed between the first cylinder 11 and the second cylinder 12, and the second opening 241 is used to connect the flow channel in the second cylinder 12; the pipeline skeleton 20 has a first joint 23 and a second joint 24, and the second joint 24 is arranged on the radial inner side of the first joint 23, and the first joint 23 is provided with a first opening 231, and the second joint 24 is provided with a second opening 241; when the filter element assembly 100 is assembled, the first joint 23 can be It is arranged on the radial inner side of the first cylinder 11, and the outer circumferential surface of the first joint 23 is provided with a seal 90, and the gap between the outer circumferential surface of the first joint 23 and the inner circumferential surface of the first cylinder 11 can be sealed by the seal 90. The second joint 24 can be arranged on the radial inner side of the second cylinder 12, and the outer circumferential surface of the second joint 24 is provided with a seal 90, and the gap between the outer circumferential surface of the second joint 24 and the inner circumferential surface of the second cylinder 12 can be sealed by the seal 90 to improve the sealing performance of the filter element assembly 100; and the positioning flange 21 of the pipeline skeleton 20 can be axially abutted against the free end of the first cylinder 11, thereby realizing the axial positioning of the pipeline skeleton 20 and the connecting joint 10, so as to improve the connection strength between the pipeline skeleton 20 and the connecting joint 10.

[0057] In addition, one side of the first filter screen 70 along the radial direction of the pipeline skeleton 20 can be welded to the first end cover 60, and the other side of the first filter screen 70 can be clamped and positioned between the first cylinder 11 and the positioning flange 21, so as to improve the installation strength of the first filter screen 70. The water flow is filtered again through the first filter screen 70 to improve the treatment efficiency of the water flow and avoid overflow of the dispersed filter material in the first sub-chamber 511.

[0058] In combination with the above, in some specific examples of the present invention, the second filter material 40 can be used for pre-filtration of drinking water equipment, and the water flow can flow through the first interface, the first opening 231, the second flow channel 25, the fourth sub-cavity 522, the second filter material 40, the third sub-cavity 521, the third flow channel 26, the second opening 241, and the second interface in sequence; a dispersed filter material can also be provided in the third sub-cavity 521, and the water flow is further filtered by the dispersed filter material to improve the processing efficiency of the water flow; a second filter screen 80 can be provided in the second opening 241, and the edge of the second filter screen 80 can be welded to the edge of the second opening 241, so that the dispersed filter material can be prevented from overflowing to the outside of the filter element assembly 100 through the second opening 241. The second filter screen 80 has a smaller filtering area than the filter material, so the second filter screen 80 can be set downstream of the second filter material 40 to prevent the second filter screen 80 from being blocked and affecting the normal operation of the filter element assembly 100.

[0059] In combination with the foregoing, in other specific examples of the present invention, the first filter material 30 can be used for post-filtration of drinking water equipment, and the water flow can flow through the fourth flow channel, the second sub-cavity 512, the first filter material 30, the first sub-cavity 511, and the first flow channel 53 in sequence; in this way, the first filter screen 70 can be located downstream of the first filter material 30 to avoid clogging of the first filter screen 70 due to its small area.

[0060] It should be understood that the drinking water equipment may be a water purifier, a drinking water purifier, or may be a water-using equipment with a heating function or a cooling function.

[0061] In the present invention, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0062] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0063] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0064] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0065] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A filter element assembly, characterized in that: include: A connecting joint (10), the connecting joint (10) comprising a first cylinder (11); A pipeline skeleton (20), one end of which is passed through the first cylinder (11), and the pipeline skeleton (20) is provided with a positioning flange (21), and the positioning flange (21) abuts against the free end of the first cylinder (11) along the axial direction of the pipeline skeleton (20) and is used to limit the relative position of the pipeline skeleton (20) and the connecting joint (10) along the axial direction.

2. The filter element assembly according to claim 1, characterized in that: The positioning flange (21) extends along the circumference of the pipeline skeleton (20); Alternatively, the positioning flange (21) includes a plurality of positioning flanges (21), and the plurality of positioning flanges (21) are arranged along the circumference of the pipeline skeleton (20).

3. The filter element assembly according to claim 1, characterized in that: The pipeline skeleton (20) is also provided with a reinforcing rib (22), which is provided on the outer surface of the pipeline skeleton (20) and connected to the side of the positioning flange (21) facing away from the first cylinder (11).

4. The filter element assembly according to claim 1, characterized in that: The filter element assembly also includes: A first filter material (30), the first filter material (30) being arranged around the outside of the pipeline skeleton (20), and a first sub-cavity (511) being arranged between the first filter material (30) and the pipeline skeleton (20); A first end cover (60), the first end cover (60) being connected to an end of the first filter material (30) and having a first flow channel (53) between the first end cover (60) and the first cylinder (11); a first filter screen (70), the first filter screen (70) being arranged at an end of the first flow channel (53) close to the first sub-cavity (511), Wherein, the first filter screen (70) is clamped and positioned between the first cylinder (11) and the positioning flange (21).

5. The filter element assembly according to claim 4, characterized in that: The first filter screen (70) is fixedly connected to the first end cover (60); or, the first filter screen (70) is welded to the first end cover (60); or, a dispersed filter material is provided in the first sub-cavity (511).

6. The filter element assembly according to claim 1, characterized in that: The pipeline skeleton (20) has a first joint (23), and the first joint (23) is arranged in the first cylinder (11) and is sealed with the first cylinder (11).

7. The filter element assembly according to claim 6, characterized in that: In the axial projection of the pipeline skeleton (20), the positioning flange (21) extends out of the outer peripheral surface of the first joint (23).

8. The filter element assembly according to claim 6, characterized in that: The pipeline skeleton (20) has a second flow channel (25), and the first joint (23) is provided with a first opening (231) connected to the second flow channel (25), the connecting joint (10) is provided with a first interface connected to the first cylinder (11), and the first opening (231) is provided on the inner side of the first cylinder (11) and connected to the first interface.

9. The filter element assembly according to claim 1, characterized in that: The pipeline skeleton (20) also has a second joint (24), and the connecting joint (10) also includes a second cylinder (12), the second cylinder (12) is arranged on the inner side of the first cylinder (11), and the second joint (24) is arranged in the second cylinder (12) and is sealed with the second cylinder (12).

10. The filter element assembly according to claim 9, characterized in that: The pipeline skeleton (20) also has a third flow channel (26), and the third flow channel (26) has a second opening (241) provided on the pipeline skeleton (20). The connecting joint (10) is provided with a second interface connected to the second cylinder (12), and the second opening (241) is provided on the inner side of the second cylinder (12) and connected to the second interface.

11. A drinking water device, characterized in that: The invention comprises the filter element assembly according to any one of claims 1 to 10.

Images