Filter element and water purifying device

Abstract

The utility model relates to the field of water purification, and discloses a filter element and a water purification device. The filter element comprises a shell, a filter pipe and a water stop assembly, the filter pipe is arranged in the shell, a plurality of filter material areas are arranged on the periphery of the filter pipe, and a water inlet hole is formed in the position, corresponding to the filter pipe, of each filter material area; the filter pipe is provided with a cavity part and a water outlet hole communicated with the cavity part, the water stop assembly is arranged in the cavity part, a flow channel is formed in the filter pipe, and the water stop assembly can move in the filter pipe in the axis direction of the filter pipe; the water stopping assembly is provided with a plurality of preset positions, when the water stopping assembly is located at the preset positions, the water inlet holes are divided into a first group of water inlet holes and a second group of water inlet holes which are located in the two sides of the water stopping assembly, and the second group of water inlet holes are close to the water outlet holes; water flow can only pass through the filter material area corresponding to the second group of water inlet holes and then is discharged through the water outlet holes. The filter element can output corresponding mineralized drinking water according to user requirements.

Description

Technical Field

[0001] The utility model relates to the field of water purification, in particular to a filter element and a water purification device. Background Art

[0002] A water purifier is a device that produces purified water. It uses municipal tap water as raw water and performs deep filtration and purification on the water quality. The pure water formed by the current water purifier does not contain trace elements and is not suitable for long-term drinking. Based on this, mineralized filter elements began to appear, which can release trace elements. However, the content of trace elements precipitated by mineralized filter elements in the current related technology cannot be well controlled, so that the trace elements output by the water purifier can only be fixed and cannot be adjusted according to actual needs. Utility Model Content

[0003] In view of this, the utility model provides a filter element and a water purification device. The filter element can output corresponding mineralized drinking water according to user needs.

[0004] The utility model provides the following technical solutions:

[0005] A filter element, comprising: a shell, a filter tube, and a water stop assembly;

[0006] The filter tube is arranged in the housing, a plurality of filter material areas are arranged on the outer circumference of the filter tube, and a water inlet hole is arranged at a position corresponding to each filter material area of ​​the filter tube;

[0007] The filter tube has a cavity and a water outlet hole connected to the cavity, the water stop assembly is arranged in the cavity, and the water stop assembly can move in the filter tube along the axial direction of the filter tube;

[0008] The water stop component has a plurality of preset positions, each of which is located between two adjacent water inlet holes. When the water stop component is located at the preset position, the water inlet holes are divided into a first group of water inlet holes and a second group of water inlet holes. The first group of water inlet holes is located on one side of the water stop component, and the second group of water inlet holes is located on the other side of the water stop component; and the second group of water inlet holes is closer to the water outlet holes relative to the first group of water inlet holes, so that water can only pass through the filter material area corresponding to the second group of water inlet holes and be discharged through the water outlet holes.

[0009] Furthermore, the water stop assembly comprises: a screw rod and a water stop member;

[0010] One end of the screw is disposed in the housing, the other end of the screw passes through the bottom of the housing and extends to the outside of the housing, and the axis of the screw is colinear with the axis of the filter tube;

[0011] The water stop member is arranged on the screw rod, the water stop member is matched with the cavity portion, and the screw rod drives the water stop member to move in the cavity portion along the axial direction of the screw rod.

[0012] Further, the water stop member comprises: a water stop portion and a connecting portion;

[0013] The water stop portion is connected to the connecting portion, and both the connecting portion and the water stop portion are provided with threaded holes, and the screw rod passes through the threaded holes and is connected to the water stop member.

[0014] Furthermore, the water stop assembly comprises: a pull rod and a water stop;

[0015] The water retaining member is arranged in the cavity portion, the pull rod is connected to the water retaining member, and the pull rod is used to drive the water retaining member to move in the cavity portion.

[0016] Furthermore, the pull rod is colinear with the axis of the filter tube.

[0017] Further, it also includes: a driving member;

[0018] The driving member is connected to the water-stopping assembly, and the driving member is used to drive the water-stopping assembly to move in the cavity.

[0019] Further, it also includes: a plurality of baffles;

[0020] A plurality of baffles are arranged at intervals along the axial direction on the outer periphery of the filter tube, and the filter material area is formed between two adjacent baffles.

[0021] Furthermore, it also includes: a first cover plate, a second cover plate;

[0022] The first cover plate is arranged at one end of the filter tube, and the second cover plate is arranged at the other end of the filter tube, and a gap is formed between the second cover plate and the shell.

[0023] Furthermore, a water supply hole is provided at the bottom of the shell, and a gap is provided between each baffle and the inner wall of the shell. The plurality of gaps form a flow channel, and water flows into the shell through the water supply hole and is discharged through the water inlet hole and the cavity.

[0024] The present application also provides a water purification device, comprising:

[0025] A body, and the filter element, wherein the filter element is arranged in the body.

[0026] The above-mentioned filter element is achieved by arranging a filter tube in a shell, arranging multiple filter material areas on the outer periphery of the filter tube, and arranging a water inlet hole at the position of each filter material area corresponding to the filter tube, so that the water flow can enter the cavity part through the water inlet hole after flowing through the filter material in this area; a water stop component is also arranged in the cavity part, and the water stop component can be displaced in the cavity part. When the cavity part moves to a corresponding preset position, the water inlet holes are divided into a first group of water inlet holes and a second group of water inlet holes, the first group of water inlet holes is located on one side of the water stop component, and the second group of water inlet holes is located on the other side of the water stop component; the water flow can only pass through the filter material area corresponding to the second group of water inlet holes, and the water flow can enter the cavity part through the water inlet hole after flowing through the filter material area at the corresponding position, and be discharged to the outside of the shell through the water outlet hole, so that the preset position of the water stop component can be adjusted so that the water flow only flows through the required filter material area, so that the filter element can output the mineralized water flow required by the user. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solution of the embodiments of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. Obviously, the drawings described below are some implementation modes of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0028] Figure 1 A schematic diagram of the overall structure of the filter element provided in an embodiment of the utility model;

[0029] Figure 2 for Figure 1 The enlarged view of point A in the middle;

[0030] Figure 3 One of the structural schematic diagrams of the filter element provided in the embodiment of the utility model;

[0031] Figure 4 One of the structural schematic diagrams of the water stop assembly provided in the embodiment of the utility model;

[0032] Figure 5 A schematic diagram of the structure of a water stop provided in an embodiment of the utility model;

[0033] Figure 6 The second structural schematic diagram of the filter element provided by the embodiment of the utility model;

[0034] Figure 7 The third structural schematic diagram of the filter element provided by the embodiment of the utility model;

[0035] Figure 8 The fourth structural schematic diagram of the filter element provided by the embodiment of the utility model;

[0036] Fig. 9 The fifth structural diagram of the filter element provided by the embodiment of the utility model;

[0037] Fig.10 A schematic structural diagram of a water purification device provided in an embodiment of the utility model.

[0038] Description of reference numerals:

[0039] 100-filter element; 10-housing; 11-water supply hole; 20-filter tube; 21-filter material area; 22-water inlet hole; 23-cavity; 24-water outlet; 30-water stop assembly; 31-screw; 32-water stop member; 321-water stop portion; 322-connecting portion; 323-threaded hole; 33-pull rod; 34-water stop member; 40-driving member; 50-baffle; 60-first cover plate; 61-second cover plate; 200-water purification device; 210-main body. DETAILED DESCRIPTION

[0040] 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. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0041] The terms "first", "second", etc. in the specification and claims of the present utility model and the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the listed steps or units, but optionally includes steps or units that are not listed, or optionally includes other steps or units inherent to these processes, methods, products or devices.

[0042] Reference to "embodiment" or "implementation method" herein means that the specific features, structures or characteristics described in conjunction with the embodiment or implementation method may be included in at least one embodiment of the utility model. The appearance of the phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0043] A water purifier is a device that produces purified water. It uses municipal tap water as raw water and performs deep filtration and purification on the water quality. The pure water formed by the current water purifier does not contain trace elements and is not suitable for long-term drinking. Based on this, mineralized filter elements began to appear, which can release trace elements. However, the content of trace elements precipitated by mineralized filter elements in the current related technology cannot be well controlled, so that the trace elements output by the water purifier can only be fixed and cannot be adjusted according to actual needs.

[0044] In view of this, the present embodiment provides a filter element 100 and a water purification device 200. The filter element 100 can output corresponding mineralized drinking water according to user needs.

[0045] See also Figure 1 and Figure 2 , a filter element 100, comprising: a housing 10, a filter tube 20, and a water stop assembly 30;

[0046] The filter tube 20 is disposed in the housing 10 , and a plurality of filter material areas 21 are disposed on the outer periphery of the filter tube 20 , and a water inlet hole 22 is disposed at a position corresponding to each filter material area 21 of the filter tube 20 ;

[0047] The filter tube 20 has a cavity 23 and a water outlet 24 connected to the cavity 23. The water stop assembly 30 is disposed in the cavity 23. The water stop assembly 30 can move in the filter tube 20 along the axial direction of the filter tube 20.

[0048] The water stop component 30 has a plurality of preset positions, each of which is located between two adjacent water inlet holes 22. When the water stop component 30 is located at the preset position, the water inlet holes 22 are divided into a first group of water inlet holes and a second group of water inlet holes. The first group of water inlet holes is located on one side of the water stop component 30 (the upper side of the water stop component 30 in this embodiment), and the second group of water inlet holes is located on the other side of the water stop component 30 (the lower side of the water stop component 30 in this embodiment). The second group of water inlet holes is closer to the water outlet hole 24 relative to the first group of water inlet holes, so that water can only pass through the filter material area 21 corresponding to the second group of water inlet holes and be discharged through the water outlet hole 24. Figure 1 For example, the water inlet holes 22 located above the water stop assembly 30 are the first group of water inlet holes, and the water inlet holes 22 located below the water stop assembly 30 are the second group of water inlet holes. The second group of water inlet holes located below the water stop assembly 30 can communicate with the water outlet holes 24, and due to the obstruction of the water stop assembly 30, the first group of water inlet holes located above the water stop assembly 30 cannot communicate with the water outlet holes 24, so that the water flow can only pass through the filter material area 21 corresponding to the second group of water inlet holes and then be discharged through the water outlet holes 24.

[0049] The filter element 100 is configured by arranging a filter tube 20 in the shell 10, arranging a plurality of filter material areas 21 on the periphery of the filter tube 20, and arranging a water inlet hole 22 at a position of each filter material area 21 corresponding to the filter tube 20, so that the water flow can enter the cavity portion 23 through the water inlet hole 22 after passing through the filter material of the filter material area 21; a water stop component 30 is also arranged in the cavity portion 23, and the water stop component 30 can be displaced in the cavity portion 23. When moved to the corresponding preset position, the water flow can flow through the filter material area 21 and the water outlet hole 24 at the corresponding position, and the water flow can enter the cavity portion 23 through the water inlet hole 22 after flowing through the filter material area 21 at the corresponding position, and be discharged to the outside of the shell 10 through the water outlet hole 24. In this way, the preset position of the water stop component 30 can be adjusted so that the water flow only flows through the required filter material area 21, thereby enabling the filter element 100 to output the mineralized water flow required by the user.

[0050] It can be understood that a filter tube 20 is arranged in the shell 10 of the above-mentioned filter element 100, and a plurality of filter material areas 21 are arranged on the outer periphery of the filter tube 20, and a water inlet hole 22 is arranged on the filter tube 20. After the water flows into the shell 10, it flows into the filter material area 21. When the water flows through the filter material area 21, the water can be mineralized; a cavity portion 23 is arranged inside the filter tube 20, and a water outlet hole 24 connected to the cavity portion 23 is also arranged on the filter tube 20, so that the mineralized water flow can enter the cavity portion 23 through the water inlet hole 22, and then be discharged to the outside of the cavity portion 23 through the water outlet hole 24, so that the mineralization and discharge of the water flow can be achieved.

[0051] It can be understood that a water-stop component 30 is also provided in the cavity portion 23. When the water-stop component 30 is located at the preset position, each water inlet hole 22 arranged along the axial direction of the filter tube 20 is divided into a first group of water inlet holes and a second group of water inlet holes. The first group of water inlet holes is located on one side of the water-stop component 30, and the second group of water inlet holes is located on the other side of the water-stop component 30; and the second group of water inlet holes is closer to the water outlet holes 24 relative to the first group of water inlet holes, so that water can only pass through the filter material area 21 corresponding to the second group of water inlet holes and be discharged through the water outlet holes 24. It should be noted that the distinction between the first group of water inlet holes and the second group of water inlet holes is based on the position of the water-stop component 30. When the water-stop component 30 moves to different preset positions, the number of the first group of water inlet holes and the second group of water inlet holes will change, so as to achieve a certain effect. Figure 1For example, when the water stop assembly 30 moves downward to the next preset position, the number of the first group of water inlet holes will increase, and correspondingly, the number of the second group of water inlet holes will decrease accordingly. The water stop assembly 30 can form a flow channel between the water outlet hole 24 and the corresponding water inlet hole 22, so that water flows out to the cavity 23 through the flow channel; the water stop assembly 30 has multiple preset positions, and the number of preset positions can be set according to the number of filter material areas 21, or can be set according to the combination of required minerals; when the water stop assembly 30 is located at one of the preset positions, the water stop assembly 30 can allow the water to enter the cavity 23 after flowing through the corresponding filter material area 21, and then be discharged through the water outlet hole 24, so that the mineralization and discharge of the water can be achieved, so that the user can obtain the required mineralized drinking water.

[0052] See also Figure 3 and Figure 4 In some embodiments, the water stop assembly 30 includes: a screw 31 and a water stop member 32;

[0053] One end of the screw rod 31 is disposed in the housing 10, and the other end of the screw rod 31 passes through the bottom of the housing 10 and extends to the outside of the housing 10, and the axis of the screw rod 31 is colinear with the axis of the filter tube 20;

[0054] The water stop member 32 is disposed on the screw rod 31 . The water stop member 32 is matched with the cavity portion 23 . The screw rod 31 drives the water stop member 32 to move in the cavity portion 23 along the axial direction of the screw rod 31 .

[0055] It can be understood that the water stop assembly 30 includes: a screw 31 and a water stop member 32; the screw 31 is arranged in the shell 10, one end of the screw 31 is arranged at the bottom of the shell 10, and the other end of the screw 31 extends to the outside of the shell 10, and the water stop member 32 is located in the shell 10 and is arranged on the screw 31, and the size of the water stop member 32 is adapted to the size of the cavity portion 23; in order to enable the screw 31 to better drive the water stop member 32, and at the same time enable the water stop member 32 to better seal the cavity portion 23 away from the water outlet 24, the axis of the screw 31 is made collinear with the axis of the filter tube 20. Specifically, with the current position of the water stop member 32 as the dividing point, the water inlet holes 22 at the corresponding positions of the filter material area 21 away from the water outlet hole 24 (i.e., the first group of water inlet holes) are in a state where water cannot flow out, and the water inlet holes 22 at the corresponding positions of the filter material area 21 close to the water outlet hole 24 (i.e., the second group of water inlet holes) are in a state where water can flow in, and only the second group of water inlet holes is connected to the water outlet holes so that water can flow into the cavity portion 23; therefore, the water stop member 32 can seal the cavity portion 23 away from the water outlet hole 24.

[0056] It can be understood that the water stop member 32 can be driven by the screw rod 31 to displace within the shell 10; specifically, when the screw rod 31 rotates, it can drive the water stop member 32 to move along the axial direction of the screw rod 31, so that the water stop member 32 can be moved to a preset position, thereby adjusting the position of the water stop member 32, and thereby allowing the required filter material area 21 to discharge water.

[0057] See also Figure 5 In some embodiments, the water stop member 32 includes: a water stop portion 321 and a connecting portion 322;

[0058] The water stop portion 321 is connected to the connection portion 322 . Both the connection portion 322 and the water stop portion 321 are provided with threaded holes 323 . The screw rod 31 passes through the threaded holes 323 and is connected to the water stop member 32 .

[0059] It can be understood that the water stop member 32 includes: a water stop portion 321 and a connecting portion 322, the water stop portion 321 and the connecting portion 322 are connected in sequence, and the connecting portion 322 is a step arranged on the water stop portion 321. Among them, the water stop portion 321 is mainly used to limit the water outflow of the filter material area 21 away from the water outlet hole 24, and the connecting portion 322 is mainly used to drive the water stop member 32 to move. Specifically, threaded holes 323 are provided in both the connecting portion 322 and the water stop portion 321, and the screw 31 can pass through the threaded holes 323 of the connecting portion 322 and the water stop portion 321. Therefore, when the screw 31 rotates, it can drive the water stop member 32 to move in the axial direction of the screw 31, thereby realizing the driving of the water stop member 32.

[0060] See also Figure 6 In some embodiments, the water stop assembly 30 includes: a pull rod 33 and a water stop member 34;

[0061] The water retaining member 34 is disposed in the cavity portion 23 , and the pull rod 33 is connected to the water retaining member 34 . The pull rod 33 is used to drive the water retaining member 34 to move in the cavity portion 23 .

[0062] It can be understood that the water stop assembly 30 includes: a pull rod 33 and a water stop member 34, the water stop member 34 is movably arranged in the cavity portion 23, and the pull rod 33 is fixedly connected to the water stop member 34, so that the water stop member 34 can be driven to move by the pull rod 33 to displace the water stop member 34 in the cavity portion 23, so that the position of the water stop member 34 in the cavity portion 23 can be adjusted, and the water stop member 34 can seal the water outflow from the filter material area 21 away from the water outlet 24.

[0063] See also Figure 3 and Figure 6 In some embodiments, the pull rod 33 is colinear with the axis of the filter tube 20 .

[0064] It can be understood that the pull rod 33 is colinear with the axis of the filter tube 20. This is to prevent the water stop member 32 from being offset when the pull rod 33 is displaced, thereby preventing the water stop member 32 from sealing in the cavity portion 23, thereby preventing the water stop assembly 30 from failing in the filter tube 20, and allowing the water stop member 32 to move more smoothly and stably in the cavity portion 23.

[0065] See also Figure 7 or Figure 8 , in some embodiments, further comprising: a driving member 40;

[0066] The driving member 40 is connected to the water-stopping assembly 30 , and the driving member 40 is used to drive the water-stopping assembly 30 to move in the cavity 23 .

[0067] It can be understood that the driving member 40 is connected to the water stop assembly 30, so that the driving member 40 can drive the water stop assembly 30 to move in the cavity portion 23. The driving member 40 can improve the driving efficiency of the water stop assembly 30 in the filter tube 20, so that the water stop assembly 30 can move faster in the cavity portion 23, thereby enabling the mineralized water produced by the filter element 100 to adapt to customer needs more quickly.

[0068] In some embodiments, the driving member 40 is connected to the screw rod 31, and the driving member 40 can be a component such as a motor that can drive the screw rod 31 to rotate along the circumference of the screw rod 31. Specifically, when the driving member 40 drives the screw rod 31 to rotate, the water stop member 32 disposed on the screw rod 31 can be driven by the driving member 40 to move along the length direction of the screw rod 31, so that the driving member 40 can drive the screw rod 31 to rotate, and then the water stop member 32 can move along the length direction of the screw rod 31 in the cavity 23, so that the water stop member 32 can be located at a preset position.

[0069] In some embodiments, the driving member 40 is connected to the pull rod 33. In this embodiment, the driving member 40 can be an electric telescopic rod or other components such as an electric telescopic rod that can pull the pull rod 33 to extend or retract; specifically, the driving member 40 can drive the pull rod 33 to move in a direction away from the driving member 40 or in a direction close to the driving member 40. When the driving member 40 drives the pull rod 33 to move in a direction away from the driving member 40 or in a direction close to the driving member 40, the water retaining member 34 can be driven to move in the cavity portion 23, so that the water retaining member 34 can be driven by the driving member 40 and be located at one of the preset positions.

[0070] See also Figures 6 to 8 , in some embodiments, further comprising: a plurality of baffles 50;

[0071] The plurality of baffles 50 are arranged at intervals along the axial direction on the outer circumference of the filter tube 20 , and the filter material area 21 is formed between two adjacent baffles 50 .

[0072] It can be understood that it also includes a plurality of baffles 50, and the plurality of baffles 50 are axially spaced apart on the outer periphery of the filter tube 20, so that a filter material area 21 for installing filter material can be formed between two adjacent baffles 50, and one filter material can be installed in one filter material area 21, so when the filter element 100 has a plurality of filter material areas 21, the filter element 100 can have a plurality of filter materials, so that the filter element 100 can produce drinking water containing a plurality of minerals, so as to enhance the diversity of water produced by the filter element 100.

[0073] See also Figures 6 to 8 , in some embodiments, further comprising: a first cover plate 60, a second cover plate 61;

[0074] The first cover plate 60 is disposed at one end of the filter tube 20 , and the second cover plate 61 is disposed at the other end of the filter tube 20 . There is a gap between the second cover plate 61 and the housing 10 .

[0075] It can be understood that the filter element 100 also includes a first cover plate 60 and a second cover plate 61, wherein the first cover plate 60 is arranged at one end of the filter tube 20, and the second cover plate 61 is arranged at the other end of the filter tube 20, that is, the first cover plate 60 and the second cover plate 61 are respectively arranged at the opposite ends of the filter tube 20; the diameter of the second cover plate 61 is larger than the diameter of the baffle 50, so that when the water flows through the second cover plate 61, the water flow can flow into the filter material area 21; a gap is provided between the second cover plate 61 and the shell 10, so that the water flow can flow into the filter material area 21 through the gap between the second cover plate 61 and the shell 10, so that the water flow enters the cavity 23 through the water inlet hole 22 after flowing through the filter material area 21, and then is discharged through the water outlet hole 24, so that the water inlet, water flow processing and water outlet of the filter element 100 can be realized.

[0076] It is understandable that there is no gap between the first cover plate 60 and the filter element 100 , so that the first cover plate 60 can play a role of blocking water in the filter element 100 to prevent water from flowing out of the filter material area 21 and affecting the normal use of the filter element 100 .

[0077] See also Fig. 9 In some embodiments, a water supply hole 11 is provided at the bottom of the shell 10, and a gap is provided between each of the baffles 50 and the inner wall of the shell 10, and a plurality of the gaps form a flow channel, and water flows into the shell 10 through the water supply hole 11 and is discharged through the water inlet hole 22 and the cavity portion 23.

[0078] It can be understood that a water supply hole 11 is provided at the bottom of the shell 10, so that water can enter the shell 10 (i.e., the filter element 100) through the water supply hole 11. After entering the shell 10, the water can enter the filter material area 21 through the gap between the second cover plate 61 and the shell 10. After that, the water flows through the filter material area 21 and enters the cavity 23 through the water inlet hole 22 provided on the filter tube 20.

[0079] See also Fig.10 The utility model also provides a water purification device 200, comprising:

[0080] The body 210 and the filter element 100 are arranged in the body 210 .

[0081] The water purification device 200 includes a body 210 and a filter element 100. Therefore, the filter element 100 in the water purification device 200 is also provided with a filter tube 20 in the housing 10. A plurality of filter material areas 21 are provided on the periphery of the filter tube 20, and a water inlet hole 22 is provided at a position corresponding to the filter tube 20 in each filter material area 21. In this way, after the water flows through the filter material in the area, it can enter the cavity 23 through the water inlet hole 22. A water stop component 30 is also provided in the cavity 23. The water stop component 30 It can be displaced in the cavity portion 23. When it moves to the corresponding preset position, the water flow can flow through the filter material area 21 and the water outlet hole 24 at the corresponding position. The water flow can enter the cavity portion 23 through the water inlet hole 22 after flowing through the filter material area 21 at the corresponding position, and be discharged to the outside of the shell 10 through the water outlet hole 24. In this way, the preset position of the water-stop component 30 can be adjusted so that the water flow only flows through the required filter material area 21, and the filter element 100 can output the mineralized water flow required by the user.

[0082] Mentioning "embodiment" and "implementation method" in the present invention means that the specific features, structures or characteristics described in conjunction with the embodiment may be included in at least one embodiment of the present invention. The appearance of the phrases in various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described in the present invention can be combined with other embodiments. In addition, it should be understood that the features, structures or characteristics described in the various embodiments of the present invention can be arbitrarily combined to form another embodiment that does not deviate from the spirit and scope of the technical solution of the present invention, provided that there is no contradiction between them.

[0083] Finally, it should be noted that the above implementation modes are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the above preferred implementation modes, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model.

Claims

1. A filter element, characterized in that: include: Shell, filter tube, water stop assembly; The filter tube is arranged in the housing, a plurality of filter material areas are arranged on the outer circumference of the filter tube, and a water inlet hole is arranged at a position corresponding to each filter material area of ​​the filter tube; The filter tube has a cavity and a water outlet hole connected to the cavity, and the water stop assembly is arranged in the cavity; the water stop assembly can move in the filter tube along the axial direction of the filter tube; The water stop component has a plurality of preset positions, each of which is located between two adjacent water inlet holes. When the water stop component is located at the preset position, the water inlet holes are divided into a first group of water inlet holes and a second group of water inlet holes. The first group of water inlet holes is located on one side of the water stop component, and the second group of water inlet holes is located on the other side of the water stop component; and the second group of water inlet holes is closer to the water outlet holes relative to the first group of water inlet holes, so that water can only pass through the filter material area corresponding to the second group of water inlet holes and be discharged through the water outlet holes.

2. The filter element according to claim 1, characterized in that: The water stop assembly comprises: a screw and a water stop piece; One end of the screw is disposed in the housing, the other end of the screw passes through the bottom of the housing and extends to the outside of the housing, and the axis of the screw is colinear with the axis of the filter tube; The water stop member is arranged on the screw rod, the water stop member is matched with the cavity portion, and the screw rod drives the water stop member to move in the cavity portion along the axial direction of the screw rod.

3. The filter element according to claim 2, characterized in that: The water stop member comprises: a water stop portion and a connecting portion; The water stop portion is connected to the connecting portion, and both the connecting portion and the water stop portion are provided with threaded holes, and the screw rod passes through the threaded holes and is connected to the water stop member.

4. The filter element according to claim 1, characterized in that: The water stop assembly comprises: a pull rod and a water stop; The water retaining member is arranged in the cavity portion, the pull rod is connected to the water retaining member, and the pull rod is used to drive the water retaining member to move in the cavity portion.

5. The filter element according to claim 4, characterized in that: The pull rod is colinear with the axis of the filter tube.

6. The filter element according to claim 2 or 4, characterized in that: Also includes: Driving parts; The driving member is connected to the water-stopping assembly, and the driving member is used to drive the water-stopping assembly to move in the cavity.

7. The filter element according to claim 1, characterized in that: Also includes: Multiple baffles; A plurality of baffles are arranged at intervals along the axial direction on the outer periphery of the filter tube, and the filter material area is formed between two adjacent baffles.

8. The filter element according to claim 7, characterized in that: Also includes: a first cover plate and a second cover plate; The first cover plate is arranged at one end of the filter tube, and the second cover plate is arranged at the other end of the filter tube, and a gap is formed between the second cover plate and the shell.

9. The filter element according to claim 8, characterized in that: A water supply hole is provided at the bottom of the shell, and a gap is provided between each baffle and the inner wall of the shell. A plurality of the gaps form a flow channel, and water flows into the shell through the water supply hole and is discharged through the water inlet hole and the cavity.

10. A water purification device, characterized in that: include: The body, and The filter element according to any one of claims 1 to 9, wherein the filter element is disposed in the body.

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