CN220530941U

CN220530941U - Filter element assembly, water purifying equipment and water heater

Info

Publication number: CN220530941U
Application number: CN202321557140.XU
Authority: CN
Inventors: 王新宇; 吴金水
Original assignee: Midea Group Co Ltd; Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd
Priority date: 2023-06-15
Filing date: 2023-06-15
Publication date: 2024-02-27
Anticipated expiration: 2033-06-15

Abstract

The utility model discloses a filter element assembly, water purifying equipment and a water heater, wherein the filter element assembly comprises a filter element mounting seat and a filter element, and the filter element mounting seat is provided with a water inlet flow channel and a water outlet flow channel; the filter element is detachably connected with the filter element mounting seat and comprises a shell, a water stopping piece and an elastic piece, the shell is provided with a water inlet hole and a water outlet hole, the water inlet hole is communicated with the water inlet flow channel, and the water outlet hole is communicated with the water outlet flow channel; the water stopping piece is arranged in the shell and positioned at the position of the water inlet, and is used for opening or closing the water inlet; the elastic component is arranged in the shell and is used for pushing the water stop component to block the water inlet. According to the filter element assembly provided by the embodiment of the utility model, the water stop piece and the elastic piece are arranged in the filter element, the elastic piece can push the water stop piece to block the water inlet, and when the filter element is replaced, the water in the filter element can be sealed in the filter element, so that the water in the filter element is prevented from being sprayed out from the water inlet, the use experience of a user is improved, and the labor capacity of the user is reduced.

Description

Filter element assembly, water purifying equipment and water heater

Technical Field

The utility model relates to the technical field of water heaters, in particular to a filter element assembly, water purifying equipment and a water heater.

Background

Nowadays, more and more consumers pay attention to water quality health, and the transition from a simple water use scene to health fields such as skin moistening, skin soothing, skin beautifying and the like is gradually started.

The filter core in the market generally has a design defect, namely when the filter core is changed, the water stored in the filter core can spill, and the whole process of the user is greatly reduced to use and experience.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the utility model is to provide a filter element assembly, wherein a water stop piece and an elastic piece are arranged in a filter element, the elastic piece can push the water stop piece to seal a water inlet hole, water in the filter element can be sealed in the filter element, and when the filter element is replaced, the water in the filter element can be sealed in the filter element, so that the water in the filter element is prevented from being spilled out from the water inlet hole, the use experience of a user is improved, and the labor capacity of the user is reduced.

The utility model also provides water purifying equipment with the filter element.

The utility model also provides a water heater with the water purifying equipment.

An embodiment of a filter cartridge assembly according to the first aspect of the utility model comprises: the filter element installation seat is provided with a water inlet flow passage and a water outlet flow passage; the filter core, the filter core with the filter core mount pad can dismantle and be connected, the filter core includes: the shell is provided with a water inlet hole and a water outlet hole, the water inlet hole is communicated with the water inlet flow channel, and the water outlet hole is communicated with the water outlet flow channel; the water stopping piece is arranged in the shell and positioned at the position of the water inlet hole, and is used for opening or closing the water inlet hole; the elastic piece is arranged in the shell and is used for pushing the water stopping piece to seal the water inlet hole.

According to the filter element assembly provided by the embodiment of the utility model, the water stop piece and the elastic piece are arranged in the filter element, the elastic piece can push the water stop piece to block the water inlet, and when the filter element is replaced, the water in the filter element can be sealed in the filter element, so that the water in the filter element is prevented from being sprayed out from the water inlet, the use experience of a user is improved, and the labor capacity of the user is reduced.

According to some embodiments of the utility model, the filter element mounting seat comprises a mounting seat main body and a push rod, the mounting seat main body is provided with the water inlet flow channel, the mounting seat main body is detachably connected with the filter element, one end of the push rod is connected with the mounting seat main body, and the other end of the push rod penetrates through the water inlet hole and stretches into the shell to push the water stopping piece to open the water inlet hole.

According to some embodiments of the utility model, the mount body is integrally formed with the ejector pin.

According to some embodiments of the utility model, the cartridge comprises: the push rod penetrates through the water inlet hole and is in clearance fit with the peripheral wall of the water inlet hole, one end of the push rod is in butt joint with the water stopping piece, the other end of the push rod stretches out of the shell, and when the filter element is connected with the filter element mounting seat, the filter element mounting seat is in butt joint with the push rod and pushes the water stopping piece to open the water inlet hole through the push rod.

According to some embodiments of the utility model, the push rod comprises a rod body and a positioning boss, the positioning boss is arranged at one end of the rod body facing the water stop, and a positioning groove matched with the positioning boss is arranged on the shell.

According to some embodiments of the utility model, the cartridge further comprises: the water outlet valve is arranged at the water outlet hole and used for opening or closing the water outlet hole.

According to some embodiments of the utility model, the water outlet valve is a one-way valve configured to open the water outlet hole when the pressure within the housing reaches a preset pressure.

According to some embodiments of the utility model, the cartridge further comprises: the central tube is arranged in the shell, and water passing holes are formed in the peripheral wall of the central tube; the filter material cover is arranged in the shell and is positioned on one side of the central tube, which faces the water inlet, a filter material space is defined between the outer wall surface of the central tube and the inner wall surface of the shell in a matched mode, filter materials are filled in the filter material space, a central channel is defined on the inner side of the central tube, the filter material space is communicated with the water inlet channel through the water inlet hole, the central channel is communicated with the water outlet channel through the water outlet hole, and the filter material space is communicated with the central channel through the water outlet hole.

According to some embodiments of the utility model, the filter cover is formed with a through hole penetrating the filter cover, and the filter element further comprises a filter screen, and the filter screen is arranged on the filter cover and covers the through hole.

According to some embodiments of the utility model, the cartridge further comprises: the filter comprises a shell, a first filter material box, a filter material cavity, a water passing mesh, a water guide channel and a filter material cavity, wherein the filter material cavity is arranged in the first filter material box, the filter material cavity is filled with filter material, the peripheral wall of the first filter material box is provided with the water passing mesh, the outer wall surface of the first filter material box is matched with the inner wall surface of the shell to define the water guide channel, the water guide channel is communicated with the water inlet channel through the water inlet hole, the filter material cavity is communicated with the water outlet channel through the water outlet hole, and the filter material cavity is communicated with the water guide channel through the water passing mesh.

According to some embodiments of the utility model, the first filter cartridge comprises: the first charging barrel is provided with a filter screen mounting frame on the peripheral wall; the filter screen, filter screen detachably installs on the filter screen mounting bracket.

According to some embodiments of the utility model, the cartridge further comprises: the filter material accommodating cavity is filled with filter materials, a filter material exchange hole is formed in the second filter material box, a water flow channel is defined between the second filter material box and the shell, one end of the water flow channel is communicated with the water inlet flow channel through the water inlet hole, the other end of the water flow channel is communicated with the water outlet flow channel through the water outlet hole, and the water flow channel is communicated with the filter material accommodating cavity through the filter material exchange hole.

A water purification apparatus according to an embodiment of the second aspect of the present utility model comprises a cartridge assembly according to an embodiment of the first aspect of the present utility model described above.

According to the water purifying equipment provided by the embodiment of the utility model, by arranging the filter element assembly, water in the filter element can be sealed in the filter element when the filter element is replaced, so that water in the filter element is prevented from being sprayed out from the water inlet, the use experience of a user is improved, and the labor capacity of the user is reduced.

The water heater according to the embodiment of the third aspect of the present utility model comprises the water purifying apparatus according to the embodiment of the above second aspect of the present utility model.

According to the water heater provided by the embodiment of the utility model, by arranging the water purifying equipment, water in the filter element can be sealed in the filter element when the filter element is replaced, so that water in the filter element is prevented from being sprayed out from the water inlet, the use experience of a user is improved, and the labor capacity of the user is reduced.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a cross-sectional view of a filter cartridge assembly according to an embodiment of the first aspect of the utility model;

FIG. 2 is a cross-sectional exploded view of a filter cartridge assembly according to an embodiment of the first aspect of the present utility model;

FIG. 3 is a cross-sectional view of a filter cartridge assembly according to an embodiment of the second aspect of the utility model;

FIG. 4 is a cross-sectional exploded view of a filter cartridge assembly according to an embodiment of the second aspect of the present utility model;

FIG. 5 is a cross-sectional view of a filter cartridge assembly according to an embodiment of a third aspect of the utility model;

FIG. 6 is a cross-sectional exploded view of a filter cartridge assembly according to an embodiment of a third aspect of the present utility model;

FIG. 7 is a cross-sectional view of a filter cartridge assembly according to a fourth aspect of the present utility model;

FIG. 8 is a cross-sectional exploded view of a filter cartridge assembly according to a fourth aspect of the present utility model;

FIG. 9 is a cross-sectional view of a filter cartridge assembly according to an embodiment of the fifth aspect of the utility model;

FIG. 10 is a cross-sectional exploded view of a filter cartridge assembly according to an embodiment of the fifth aspect of the present utility model;

FIG. 11 is a cross-sectional view of a filter cartridge assembly according to an embodiment of the sixth aspect of the utility model;

FIG. 12 is a cross-sectional exploded view of a filter cartridge assembly according to an embodiment of the sixth aspect of the utility model;

FIG. 13 is a cross-sectional view of a filter cartridge assembly according to an embodiment of the seventh aspect of the utility model;

FIG. 14 is a cross-sectional exploded view of a filter cartridge assembly according to an embodiment of the seventh aspect of the utility model;

FIG. 15 is a cross-sectional view of a filter cartridge assembly according to an eighth aspect of the utility model;

FIG. 16 is a cross-sectional exploded view of a filter cartridge assembly according to an eighth aspect of the present utility model;

FIG. 17 is a cross-sectional view of a filter cartridge assembly according to an embodiment of the ninth aspect of the utility model;

FIG. 18 is a cross-sectional exploded view of a filter cartridge assembly according to an embodiment of the ninth aspect of the utility model;

FIG. 19 is a cross-sectional view of a filter cartridge according to an embodiment of the first aspect of the utility model;

FIG. 20 is a cross-sectional view of a filter cartridge according to an embodiment of the second aspect of the utility model;

FIG. 21 is a cross-sectional view of a filter cartridge according to an embodiment of the third aspect of the utility model;

FIG. 22 is a cross-sectional view of a filter cartridge according to an embodiment of the seventh aspect of the utility model;

FIG. 23 is a cross-sectional view of a filter cartridge according to an eighth aspect of the utility model;

FIG. 24 is a cross-sectional view of a filter cartridge according to an embodiment of the ninth aspect of the utility model;

FIG. 25 is a cross-sectional view of a cartridge receptacle with a cartridge installed therein according to an embodiment of the present utility model;

FIG. 26 is a cross-sectional view of a cartridge receptacle according to an embodiment of the present utility model, wherein the cartridge is not installed;

FIG. 27 is an exploded view of a cartridge receptacle and cartridge according to an embodiment of the present utility model;

FIG. 28 is a schematic view of a water heater according to an embodiment of the present utility model, wherein the cartridge assembly is mounted within the housing;

FIG. 29 is a schematic view of a water heater according to an embodiment of the present utility model, wherein the cartridge assembly is mounted outside the housing.

Reference numerals:

100. a filter element assembly;

10. a filter element mounting seat; 11. a water inlet flow passage; 12. a water outlet flow passage; 13. a mount main body; 14. a push rod; 15 sliding rails; 161. a first water deflector; 162. a second water blocking member; 163. a first spring; 164. a second spring; 171. a first seal ring; 172. a second seal ring; 173. a third seal ring; 174. a fourth seal ring; 181. a filter element inlet; 182. a filter element outlet; 183. an intermediate flow passage; 184. an intermediate flow channel inlet; 185. an intermediate flow channel outlet;

20. a filter element;

30. a housing; 31. an upper housing; 311. a water inlet hole; 312. a water outlet hole; 313. positioning the bulge; 314. a positioning groove; 32. a lower housing; 321. a limit structure; 33. a sliding rib; 34 seals;

40. a push rod; 41. a rod body; 42. positioning the boss;

51. a water stop member; 511. an assembly groove; 52. an elastic member; 53. a positioning piece; 531. a first flanging; 54. a water outlet valve; 541. a one-way valve;

61. A central tube; 611. a water passing hole; 62. a central passage; 63. a filter material space; 64. a filter material cover; 65. a filter screen; 66. a fifth seal ring;

70. a first filter cartridge; 71. a first barrel; 72. water passing meshes; 73. a filter screen mounting rack; 731. a second flanging; 74. a filter screen; 75. a filter material chamber; 76. a water guide flow passage;

80. a second filter cartridge; 81. a second barrel; 811. an opening; 82. a material cover; 821. a filter material exchange hole; 83. a filter material accommodating cavity; 84. a water flow channel;

90. a water heater; 91. a housing; 92. an inner container; 93. a water inlet pipe; 94. a water outlet pipe; 95. a filter element is arranged in front; 96. and a rear filter element.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

A filter cartridge assembly 100 according to an embodiment of the present utility model is described below with reference to fig. 1-29.

Referring to fig. 1-18, a cartridge assembly 100 includes a cartridge mount 10 and a cartridge 20, the cartridge mount 10 having a water inlet flow channel 11 and a water outlet flow channel 12. For example, the filter element mounting seat 10 may be disposed on a water purifying apparatus, and the water inlet flow passage 11 and the water outlet flow passage 12 are communicated with a water path on the water purifying apparatus. The filter element 20 is detachably connected with the filter element mounting seat 10, and the filter element 20 can be detached from the filter element mounting seat 10, so that the filter element 20 can be conveniently maintained or replaced in the later period. For example, the filter element mounting seat 10 may be provided with a sliding rail 15, the filter element 20 may be provided with a sliding rib 33, one end of the filter element 20 may be rotated onto the filter element mounting seat 10, the sliding rail 15 and the filter element mounting seat 10 may define a mounting groove, the sliding rib 33 may be mounted into the mounting groove, and then the filter element 20 may be mounted onto the filter element mounting seat 10.

The filter element 20 includes a housing 30, a water stop 51, and an elastic member 52, both of which are disposed in the housing 30. The housing 30 has a water inlet 311 and a water outlet 312, the water inlet 311 communicates with the water inlet flow passage 11, and the water outlet 312 communicates with the water outlet flow passage 12. The water in the water inlet flow passage 11 can flow into the filter element 20 through the water inlet hole 311, and the water filtered by the filter element 20 can flow to the water outlet flow passage 12 through the water outlet hole 312, so that the filter element 20 can filter the water. The water stop piece 51 is positioned at the position of the water inlet 311, the water stop piece 51 is used for opening or closing the water inlet 311, when the water stop piece 51 is used for opening the water inlet 311, the water inlet 311 can be communicated with the water inlet flow channel 11 and the filter element 20, and water in the water inlet flow channel 11 can flow into the filter element 20 through the water inlet 311; when the water stop member 51 is used for closing the water inlet 311, the water inlet 311 cannot communicate the water inlet channel 11 with the filter element 20, water in the water inlet channel 11 cannot flow into the filter element 20 through the water inlet 311, and water in the filter element 20 cannot flow out through the water inlet 311.

The elastic piece 52 is used for pushing the water stopping piece 51 to block the water inlet 311, after the filter element 20 is used, a part of water can be reserved in the filter element 20, the water stopping piece 51 can seal the water reserved in the filter element 20, water in the filter element 20 is prevented from being sprayed out of the water inlet 311 when the filter element 20 is replaced, the water of the filter element 20 cannot be sprayed outside, the labor capacity of a user is additionally increased, and the use experience of the user is improved. The water stop member 51 is pushed to block the water inlet 311 by the resilience force of the elastic member 52, so that the water stop member 51 can block the water inlet 311 in a simple manner, and the reliability of blocking the water inlet 311 is higher. For example, the elastic member 52 may be a spring, and the water stop member 51 may be a material such as silicone rubber, ethylene propylene diene rubber, nitrile rubber, or fluororubber.

When the filter element 20 needs to be replaced or maintained, the filter element 20 needs to be detached from the filter element mounting seat 10, the elastic piece 52 can be elastically reset to push the water stop piece 51 to block the water inlet 311, water in the filter element 20 can be sealed in the filter element 20, and water in the filter element 20 is prevented from being sprayed out from the water inlet 311 when the filter element 20 is replaced. When the filter cartridge 20 is mounted on the filter cartridge mounting seat 10, the water stop member 51 can open the water inlet hole 311, and water in the water inlet flow passage 11 can flow into the filter cartridge 20 through the water inlet hole 311.

In a specific example, the housing 30 may include an upper housing 31 and a lower housing 32, with the water inlet 311 and the water outlet 312 each being located at an end of the upper housing 31 remote from the lower housing 32. The upper case 31 and the lower case 32 may be screw-coupled, a part of the outer circumferential wall of the upper case 31 has an external screw thread, a part of the inner circumferential wall of the lower case 32 has an internal screw thread, a part of the upper case 31 may be accommodated in the lower case 32, and the upper case 31 and the lower case 32 may be screw-coupled so that the upper case 31 and the lower case 32 may be hermetically coupled. There is a seal 34 at the assembly of the upper and lower cases 31 and 32 for sealing the junction of the upper and lower cases 31 and 32, preventing water from leaking out of the junction of the upper and lower cases 31 and 32.

According to the filter element assembly 100 provided by the embodiment of the utility model, the water stop piece 51 and the elastic piece 52 are arranged in the filter element 20, and the elastic piece 52 can push the water stop piece 51 to block the water inlet 311, so that water in the filter element 20 can be sealed in the filter element 20 when the filter element 20 is replaced, water in the filter element 20 is prevented from being spilled out from the water inlet 311, the use experience of a user is improved, and the labor amount of the user is reduced.

In another specific example, referring specifically to fig. 25-27, a valve assembly is further disposed in the filter element mounting seat 10, and an intermediate flow channel 183 is further disposed in the filter element mounting seat 10, where the intermediate flow channel 183 may communicate the water outlet flow channel 12 with the water inlet flow channel 11, and the valve assembly is used to control the water flow direction in the filter element mounting seat 10. The valve assembly includes a first water deflector 161, a second water deflector 162, a first spring 163, and a second spring 164. The first spring 163 is sleeved on the outer peripheral wall of the first water baffle 161, the first water baffle 161 is arranged in the water inlet channel 11, and the first water baffle 161 is used for opening or closing the filter element inlet 181 and the middle channel inlet 184; the second spring 164 is sleeved on the outer peripheral wall of the second water blocking member 162, the second water blocking member 162 is disposed in the water outlet channel 12, and the second water blocking member 162 is used for opening or closing the filter element outlet 182 and the middle channel outlet 185. The first water deflector 161 is sleeved with a first sealing ring 171 and a second sealing ring 172 on the peripheral wall, the first sealing ring 171 is used for sealing the middle runner inlet 184, and the second sealing ring 172 is used for sealing the filter element inlet 181; the second water deflector 162 is provided with a third sealing ring 173 and a fourth sealing ring 174 in a sleeved mode on the peripheral wall, the third sealing ring 173 is used for sealing the middle runner outlet 185, and the fourth sealing ring 174 is used for sealing the filter element outlet 182.

When the filter cartridge 20 is mounted on the filter cartridge mounting seat 10, the upper shell 31 of the filter cartridge 20 can push the first water baffle 161 and the second water baffle 162 to move, so that the first water baffle 161 opens the filter cartridge inlet 181 and can close the middle flow channel inlet 184, and the first sealing ring 171 further seals the middle flow channel inlet 184; so that the second water deflector 162 opens the cartridge outlet 182 and can close the intermediate flow path outlet 185, and the third seal 173 further seals the intermediate flow path outlet 185. Water can flow from the water inlet flow channel 11 into the filter element 20, and water in the filter element 20 can flow into the water outlet flow channel 12.

When the filter element 20 is detached from the filter element mounting seat 10, the elastic force of the first spring 163 can push the first water baffle 161 to close the filter element inlet 181 and open the middle flow channel inlet 184, and the second sealing ring 172 further seals the filter element inlet 181; the elastic force of the second spring 164 can push the second water blocking member 162 to close the cartridge outlet 182 and simultaneously open the middle flow passage outlet 185, and the fourth sealing ring 174 further seals the cartridge outlet 182. Water may flow from the water inlet flow passage 11 into the intermediate flow passage 183, and water in the intermediate flow passage 183 may flow into the water outlet flow passage 12. After the filter element 20 is detached from the filter element mounting seat 10, water in the water outlet flow channel 12 flows out from the filter element inlet 181, so that user experience can be improved, and the labor capacity of the user can be reduced.

According to some embodiments of the present utility model, referring to fig. 7 to 12, the cartridge mount 10 includes a mount body 13 and a push rod 14, the mount body 13 is formed with a water inlet flow channel 11, the mount body 13 is detachably connected with the cartridge 20, the cartridge 20 may be mounted to the mount body 13, or the cartridge 20 may be detached from the mount body 13. For example, the mounting seat main body 13 may be provided with a sliding rail 15, the filter element 20 may be provided with a sliding rib 33, and the filter element 20 may be mounted on the mounting seat main body 13 through the cooperation of the sliding rail 15 and the sliding rib 33, so that the later replacement of the filter element 20 is also facilitated. One end of the ejector rod 14 is connected with the mounting seat main body 13, the other end of the ejector rod 14 penetrates through the water inlet hole 311 and stretches into the shell 30 to push the water stop piece 51 to open the water inlet hole 311, and after the filter element 20 is mounted on the mounting seat main body 13, the ejector rod 14 can push the water stop piece 51 to overcome the elasticity of the elastic piece 52 and open the water inlet hole 311; when the filter element 20 is detached from the mounting base main body 13, the ejector 14 can be removed from the water inlet 311, and the elastic member 52 can be elastically restored to push the water stop member 51 to close the water inlet 311. The ejector rod 14 is arranged on the filter element mounting seat 10, so that the water stop piece 51 can open the water inlet 311 simply and reliably.

According to some embodiments of the present utility model, referring to fig. 7 to 12, the mount main body 13 and the ejector 14 are integrally formed, so that structural strength of the mount main body 13 and the ejector 14 can be ensured, and an assembling process of the ejector 14 to the mount main body 13 can be omitted.

13-18, the filter cartridge 20 includes a push rod 40, the push rod 40 is inserted into the water inlet 311 and is in clearance fit with the peripheral wall of the water inlet 311, one end of the push rod 40 is abutted with the water stop 51, and the other end of the push rod 40 extends out of the housing 30. When the filter element 20 is connected with the filter element installation seat 10, the filter element installation seat 10 is abutted with the push rod 40, the filter element installation seat 10 can push the push rod 40 to move, and when the push rod 40 moves, the water stop piece 51 can be pushed to move so as to open the water inlet hole 311, and water in the water inlet flow channel 11 can flow into the filter element 20 through the water inlet hole 311. When the filter element 20 is detached from the filter element mounting seat 10, the elastic piece 52 can elastically reset to push the water stop piece 51 to move, the water stop piece 51 can close the water inlet 311, and the water stop piece 51 can stop water in the filter element 20 from flowing out of the filter element 20 from the water inlet 311. For example, the number of the push rods 40 may be plural, and the plurality of push rods 40 are arranged on the water stop member 51 at intervals, so that the force of pushing the water stop member 51 by the push rods 40 is balanced. Alternatively, the push rod 40 may be connected to the water stop 51; alternatively, the push rod 40 may be of a split design with the water stop 51.

13-18, the push rod 40 includes a rod body 41 and a positioning boss 42, the rod body 41 may be connected to the positioning boss 42, the positioning boss 42 is disposed at an end of the rod body 41 facing the water stop 51, and a positioning groove 314 is disposed on the housing 30, and the positioning groove 314 is matched with the positioning boss 42. When the filter element 20 is detached from the filter element mounting seat 10, the elastic piece 52 can elastically reset to push the water stop piece 51 to move, and the water stop piece 51 can push the push rod 40 to move when moving, so that the positioning boss 42 can be accommodated in the positioning groove 314, the positioning groove 314 can prevent the positioning boss 42 from moving towards the direction far away from the water stop piece 51, the positioning groove 314 can limit the position of the positioning boss 42, the position of the push rod 40 can be limited, and the push rod 40 can be prevented from falling from the water inlet 311.

According to some embodiments of the present utility model, referring to fig. 1-24, the filter cartridge 20 further includes a water outlet valve 54, the water outlet valve 54 being disposed at the water outlet 312 for opening or closing the water outlet 312. When the water outlet valve 54 opens the water outlet hole 312, the water outlet hole 312 can communicate the filter element 20 with the water outlet flow channel 12, and water in the filter element 20 can flow into the water outlet flow channel 12 through the water outlet hole 312; when the water outlet valve 54 closes the water outlet 312, the water outlet valve 54 can block water in the filter element 20 from flowing into the water outlet flow passage 12 through the water outlet 312.

According to some embodiments of the present utility model, referring to fig. 1-24, the water outlet valve 54 is a one-way valve 541, the one-way valve 541 is configured to open the water outlet hole 312 when the pressure in the housing 30 reaches a preset pressure, and the one-way valve 541 can control water in the filter cartridge 20 to flow only in one direction, i.e., water in the filter cartridge 20 can flow into the water outlet flow passage 12 only through the water outlet hole 312; the check valve 541 can block water in the water outlet flow passage 12 from flowing into the filter element 20 through the water outlet hole 312. After the filter element 20 is detached from the filter element mounting seat 10, the pressure in the shell 30 is lower than the preset pressure, the one-way valve 541 can close the water outlet 312, and water in the filter element 20 can be prevented from flowing out through the water outlet 312, so that the water in the filter element 20 can be sealed in the filter element 20. For example, the preset pressure may be 0.05Mpa, and when the pressure in the housing 30 is greater than 0.05Mpa, the check valve 541 may open the water outlet 312, and the water in the filter cartridge 20 may flow into the water outlet flow passage 12 through the water outlet 312; when the pressure in the housing 30 is less than or equal to 0.05Mpa, the one-way valve 541 can close the water outlet 312 to block water in the filter cartridge 20 from flowing into the water outlet flow passage 12 through the water outlet 312.

According to some embodiments of the present utility model, referring to fig. 1-2, 7-8, 13-14, 19, and 22, the filter cartridge 20 further includes a central tube 61, and a filter cover 64, the central tube 61 is disposed in the housing 30, and one end of the central tube 61 may abut against the bottom wall of the housing 30. For example, the bottom wall of the lower housing 32 is provided with a limiting structure 321, and the limiting structure 321 is used for limiting the relative position of the central tube 61, so that the stability of the structure of the central tube 61 can be improved. The central tube 61 is formed with water passing holes 611 on a peripheral wall thereof, for example, the number of the water passing holes 611 may be set to one or more, and the plurality of water passing holes 611 may be arranged at intervals around the central tube 61.

The filter cover 64 is disposed in the housing 30, and the filter cover 64 is disposed on a side of the central tube 61 facing the water inlet 311, and a filter space 63 is defined by the filter cover 64, the outer wall surface of the central tube 61, and the inner wall surface of the housing 30, and the filter space 63 is filled with filter material. For example, the filter material may be an adsorptive filter material such as PP cotton, activated carbon, or magnet, or may be a filter material such as resin, TAC, ASP, MSAP, or the like, which is used for adsorbing or replacing anions and cations in water or preventing the combination of anions and cations in water to form scale. The inner side of the central tube 61 defines a central channel 62, the filter space 63 communicates with the water inlet flow channel 11 through a water inlet hole 311, the central channel 62 communicates with the water outlet flow channel 12 through a water outlet hole 312, and the filter space 63 and the central channel 62 communicate through a water outlet hole 611. For example, the size of water passing holes 611 is smaller than the size of filter media, and filter media in filter media space 63 is prevented from flowing into central passage 62 through water passing holes 611. Water in the water inlet flow channel 11 can flow into the filter material space 63 through the water inlet hole 311, water filtered by the filter material in the filter material space 63 can flow into the central flow channel through the water outlet hole 611, and water in the central flow channel can flow into the water outlet flow channel 12 through the water outlet hole 312.

According to some embodiments of the present utility model, referring to fig. 1-2, 7-8, 13-14, 19, and 22, a through hole is formed in the filter cover 64, the through hole penetrates through the filter cover 64, the filter element 20 further includes a filter screen 65, the filter screen 65 is disposed on the filter cover 64 and covers the through hole, the filter screen 65 can prevent filter material from spilling out of the filter space 63, and the filter screen 65 can filter most of sediment, suspended matters, and the like in water, so as to improve the filtering effect of the filter element 20. For example, the screen 65 may be a stainless steel screen between 20 mesh and 100 mesh.

Referring specifically to fig. 1, 7 and 13, the direction of the arrow in the drawing is the water flow direction. When the filter element 20 is in use, water in the water inlet flow channel 11 can flow to the filter screen 65 through the water inlet holes 311, the filter screen 65 can filter most of sediment and suspended matters in the water, the water filtered by the filter screen 65 can flow into the filter material space 63, the filter material in the filter material space 63 can filter the water so as to filter impurities in the water, the filtered water can flow into the central channel 62 through the water inlet holes 611, and the water in the central channel 62 can flow into the water outlet flow channel 12 through the water outlet holes 312. Thus, the filter element 20 filters water, and improves the quality of water.

A filter cartridge 20 and a filter cartridge assembly 100 having the same according to one embodiment of the present utility model will be described with reference to fig. 1-2, 7-8, 13-14, 19, and 22.

The filter element assembly 100 comprises a filter element mounting seat 10 and a filter element 20, wherein the filter element mounting seat 10 is provided with a water inlet flow channel 11 and a water outlet flow channel 12, and the filter element 20 is detachably connected with the filter element mounting seat 10.

The filter element 20 includes an upper housing 31, a lower housing 32, a water stop member 51, an elastic member 52, a positioning member 53, a central tube 61, a filter cover 64, and a filter screen 65, wherein the upper housing 31 and the lower housing 32 can form the housing 30 in a threaded connection manner, the water stop member 51, the elastic member 52, the positioning member 53, the central tube 61, the filter cover 64, and the filter screen 65 are all disposed in the housing 30, and the filter screen 65 is mounted in a through hole of the filter cover 64. The bottom wall of the lower housing 32 is provided with a plurality of limiting structures 321, one end of the central tube 61 is disposed in the limiting structures 321, and the limiting structures 321 are used for enabling the central tube 61 to be coaxial with the upper housing 31 and the lower housing 32. The filter cover 64 is located at one end of the central tube 61 far away from the bottom wall of the shell 30, a fifth sealing ring 66 is arranged between the peripheral wall of the filter cover 64 and the inner wall of the lower shell 32, and is used for sealing a gap between the peripheral wall of the filter cover 64 and the inner wall of the lower shell 32, so that part of water is prevented from directly flowing into the filter space 63 from the gap between the peripheral wall of the filter cover 64 and the inner wall of the lower shell 32 without passing through the filter screen 65, so that less sediment, suspended matters and other impurities in the water cannot be filtered, and the filtering effect of the filter element 20 is weakened.

The inner peripheral wall of the upper case 31 is provided with a positioning protrusion 313, and the positioning member 53 is positioned on the positioning protrusion 313, so that the position of the positioning member 53 in the case 30 can be fixed. The one end that the sealing-up piece 51 is close to the elastic piece 52 is provided with the assembly groove 511, and the one end that the setting element 53 is close to the elastic piece 52 is provided with first turn-ups 531, and the one end of elastic piece 52 is arranged in the assembly groove 511, and the other end of elastic piece 52 is arranged in first turn-ups 531 to guarantee the radial stability of sealing-up piece 51 and elastic piece 52.

The upper shell 31 is provided with a water inlet 311 and a water outlet 312, a filter material space 63 is defined by cooperation among the filter material cover 64, the outer wall surface of the central tube 61 and the inner wall surface of the shell 30, filter materials are filled in the filter material space 63, the inner side of the central tube 61 is defined with a central channel 62, a water passing hole 611 is formed on the peripheral wall of the central tube 61, the water passing hole 611 can be communicated with the filter material space 63 and the central channel 62, the water inlet 311 can be communicated with the water inlet channel 11 and the filter material space 63, and the water outlet 312 can be communicated with the water outlet channel 12 and the central channel 62. The water stop 51 may open or close the water inlet 311, and a check valve 541 is provided between the central passage 62 and the water outlet 312, and the check valve 541 opens the water outlet 312 when the water pressure in the central passage 62 is greater than the pressure of the check valve 541.

In a specific example, referring to fig. 1-2, when the filter cartridge 20 is in use, water in the water inlet channel 11 can push the water stop member 51 to move, and the thrust force exerted by the water stop member 51 can overcome the elastic force of the elastic member 52, so that the water stop member 51 can open the water inlet hole 311.

In another specific example, referring to fig. 7 to 8, the cartridge mount 10 further includes a mount body 13 and a push rod 14, the mount body 13 is formed with a water inlet channel 11, the mount body 13 is detachably connected with the cartridge 20, when the cartridge 20 is mounted on the mount body 13, the push rod 14 can push the water stop member 51 to move, and the water stop member 51 can overcome the elastic force of the elastic member 52 when moving, so that the water stop member 51 can open the water inlet hole 311.

In still another specific example, referring to fig. 13-14, the filter element 20 further includes a push rod 40, the push rod 40 is inserted into the water inlet 311 and abuts against the water stop 51, when the filter element 20 is mounted on the filter element mounting seat 10, the filter element mounting seat 10 abuts against the push rod 40, the filter element mounting seat 10 can push the push rod 14 to move, and when the push rod 40 moves, the push rod 40 can push the water stop 51 to move so as to open the water inlet 311.

In the above three examples, the water stopper 51 may open the water inlet 311. After the water stop member 51 opens the water inlet hole 311, water in the water inlet flow channel 11 can flow to the filter screen 65 through the water inlet hole 311, the filter screen 65 can filter most of sediment and suspended matters in the water, the water filtered by the filter screen 65 can flow into the filter material space 63, the filter material in the filter material space 63 can filter the water so as to filter impurities in the water, the filtered water can flow into the central channel 62 through the water hole 611, when the water pressure in the central channel 62 is greater than the pressure of the one-way valve 541, the one-way valve 541 opens the water outlet hole 312, and the water in the central channel 62 can flow into the water outlet flow channel 12 through the water outlet hole 312. Thus, the filter element 20 filters water, and improves the quality of water.

When the filter element 20 is detached from the filter element mounting seat 10, the water stop member 51 is pushed to move by the resilience force of the elastic member 52 so as to block the water inlet hole 311; the water pressure in the central channel 62 is less than or equal to the pressure of the one-way valve 541, and the one-way valve 541 can close the water outlet 312 so as to seal the water in the filter element 20, prevent the water in the filter element 20 from flowing out from the water inlet 311 and the water outlet 312, and improve the use experience of a user.

According to some embodiments of the utility model, referring to fig. 3-4, 9-10, 15-16, 20, 23, the filter cartridge 20 further comprises a first filter cartridge 70, one end of the first filter cartridge 70 being abuttable against the bottom wall of the housing 30. For example, the bottom wall of the lower housing 32 is provided with a limiting structure 321, and the limiting structure 321 is used for limiting the relative position of the first filter media cartridge 70, so that the stability of the structure of the first filter media cartridge 70 can be improved. The first filter box 70 is provided with a filter cavity 75, and the filter cavity 75 is filled with filter materials, for example, the filter materials can be adsorption filter materials such as PP cotton, activated carbon, magnet and the like, or can be filter materials such as resin, TAC, ASP, MSAP and the like for adsorbing and replacing anions and cations in water or preventing the combination of the anions and the cations in water and forming scale. The peripheral wall of the first filter cartridge 70 is provided with water passing holes 72, a water guide channel 76 is defined between the outer wall surface of the first filter cartridge 70 and the inner wall surface of the shell 30 in a matched mode, the water guide channel 76 is communicated with the water inlet channel 11 through a water inlet hole 311, the filter material cavity 75 is communicated with the water outlet channel 12 through a water outlet hole 312, and the filter material cavity 75 and the water guide channel 76 are communicated through the water passing holes 72. The water in the water inlet flow channel 11 can flow into the water guide flow channel 76 through the water inlet holes 311, the water in the water guide flow channel 76 can flow into the filter material cavity 75 through the water passing holes 72, and the water filtered by the filter material in the filter material cavity 75 can flow into the water outlet flow channel 12 through the water outlet holes 312.

According to some embodiments of the present utility model, referring to fig. 3-4, 9-10, 15-16, 20, and 23, the first filter cartridge 70 includes a first cartridge 71 and a filter screen 74, a peripheral wall of the first cartridge 71 having a filter screen mounting frame 73, and the filter screen 74 is detachably mounted on the filter screen mounting frame 73. The water passing mesh 72 is disposed on the first cylinder 71, the filter screen 74 can prevent the filter material from spilling out of the filter cavity 75, and the filter screen 74 can filter most of sediment and suspended matters in water, so as to improve the filtering effect of the filter element 20. For example, the filter screen 74 may be a stainless steel filter screen between 20 mesh and 100 mesh.

Referring specifically to fig. 3, 9 and 15, the direction of the arrow in the drawing is the water flow direction. When the filter element 20 is used, water in the water inlet flow channel 11 can flow into the water guide flow channel 76 through the water inlet holes 311, water in the water guide flow channel 76 can flow to the filter screen 74, the filter screen 74 can filter most of sediment and suspended matters in the water, the water filtered by the filter screen 74 can flow into the filter material cavity 75 through the water passing holes 72, the filter material in the filter material cavity 75 can filter the water so as to filter impurities in the water, and the filtered water can flow into the water outlet flow channel 12 through the water outlet holes 312. Thus, the filter element 20 filters water, and improves the quality of water.

The filter cartridge 20 and the filter cartridge assembly 100 having the same according to one embodiment of the present utility model are described below with reference to fig. 3-4, 9-10, 15-16, 20, and 23.

The filter element 20 comprises an upper shell 31, a lower shell 32, a water stopping piece 51, an elastic piece 52 and a first filter material box 70, wherein the upper shell 31 and the lower shell 32 can form the shell 30 in a threaded connection mode, and the water stopping piece 51, the elastic piece 52 and the first filter material box 70 are all arranged in the shell 30. The bottom wall of the lower shell 32 is provided with a plurality of limiting structures 321, one end of the first filter material box 70 is arranged in the limiting structures 321, and the limiting structures 321 are used for enabling the first filter material box 70 to be coaxial with the upper shell 31 and the lower shell 32.

The first filter cartridge 70 includes a first cartridge 71 and a filter screen 74, the filter screen mounting frame 73 is provided on a peripheral wall of the first cartridge 71, the filter screen 74 is detachably mounted on the filter screen mounting frame 73, and water passing mesh holes 72 are provided on the first cartridge 71. The water stop member 51 is provided with an assembly groove 511 near one end of the elastic member 52, one end of the first filter cartridge 70 is provided with a second flange 731, one end of the elastic member 52 is arranged in the assembly groove 511, and the other end of the elastic member 52 is arranged in the second flange 731, so that the radial stability of the water stop member 51 and the elastic member 52 is ensured.

The upper shell 31 is provided with a water inlet 311 and a water outlet 312, the first filter cartridge 70 is internally provided with a filter material cavity 75, the filter material cavity 75 is filled with filter materials, a water guide channel 76 is defined between the outer wall surface of the first filter cartridge 70 and the inner wall surface of the shell 30 in a matched mode, the water inlet 311 can be communicated with the water inlet channel 11 and the water guide channel 76, the water passing mesh 72 can be communicated with the water guide channel 76 and the filter material cavity 75, and the water outlet 312 can be communicated with the filter material cavity 75 and the water outlet channel 12. The water stop 51 may open or close the water inlet 311, and a check valve 541 is provided between the central passage 62 and the water outlet 312, and when the water pressure in the water guide passage 76 is greater than the pressure of the check valve 541, the check valve 541 opens the water outlet 312.

In a specific example, referring to fig. 3 to 4, when the filter cartridge 20 is in use, water in the water inlet channel 11 can push the water stop member 51 to move, and the thrust force exerted by the water stop member 51 can overcome the elastic force of the elastic member 52, so that the water stop member 51 can open the water inlet hole 311.

In another specific example, referring to fig. 9 to 10, the cartridge mount 10 further includes a mount body 13 and a push rod 14, the mount body 13 is formed with a water inlet flow channel 11, and the mount body 13 is detachably connected with the cartridge 20. When the filter element 20 is mounted on the mounting seat main body 13, the ejector rod 14 can push the water stop member 51 to move, and the elastic force of the elastic member 52 can be overcome when the water stop member 51 moves, so that the water stop member 51 can open the water inlet hole 311.

In still another specific example, referring to fig. 15 to 16, the filter element 20 further includes a push rod 40, the push rod 40 is inserted into the water inlet 311 and abuts against the water stop 51, when the filter element 20 is mounted on the filter element mounting seat 10, the filter element mounting seat 10 abuts against the push rod 40, the filter element mounting seat 10 can push the push rod 14 to move, and when the push rod 40 moves, the push rod 40 can push the water stop 51 to move so as to open the water inlet 311.

In the above three examples, the water stopper 51 may open the water inlet 311. After the water stop member 51 opens the water inlet hole 311, water in the water inlet flow channel 11 can flow into the water guide flow channel 76 through the water inlet hole 311, water in the water guide flow channel 76 can flow to the filter screen 74, the filter screen 74 can filter most of sediment and suspended matters in the water, the water filtered by the filter screen 74 can flow into the filter material cavity 75 through the water passing holes 72, filter materials in the filter material cavity 75 can filter the water so as to filter impurities in the water, the water pressure in the filter material cavity 75 is larger than the pressure of the one-way valve 541, the one-way valve 541 opens the water outlet hole 312, and water in the central flow channel can flow into the water outlet flow channel 12 through the water outlet hole 312. Thus, the filter element 20 filters water, and improves the quality of water.

When the filter element 20 is detached from the filter element mounting seat 10, the water stop member 51 is pushed to move by the resilience force of the elastic member 52 so as to block the water inlet hole 311; the water pressure in the filter cavity 75 is smaller than or equal to the pressure of the one-way valve 541, and the one-way valve 541 can close the water outlet 312 so as to seal the water in the filter element 20, so that the water in the filter element 20 can be prevented from flowing out of the water inlet 311 and the water outlet 312, and the use experience of a user can be improved.

According to some embodiments of the present utility model, referring to fig. 5-6, 11-12, 17-18, 21, and 24, the filter cartridge 20 further includes a second filter cartridge 80, for example, the bottom wall of the lower housing 32 is provided with a limiting structure 321, and the limiting structure 321 is used to limit the relative position of the second filter cartridge 80, so as to improve the structural stability of the second filter cartridge 80. The second filter cartridge 80 is internally provided with a filter material accommodating cavity 83, the filter material accommodating cavity 83 is internally filled with filter materials, the second filter cartridge 80 is provided with a filter material exchange hole 821, a water flow channel 84 is defined between the second filter cartridge 80 and the shell 30, one end of the water flow channel 84 is communicated with the water inlet flow channel 11 through a water inlet hole 311, the other end of the water flow channel 84 is communicated with the water outlet flow channel 12 through a water outlet hole 312, and the water flow channel 84 is communicated with the filter material accommodating cavity 83 through the filter material exchange hole 821.

For example, the filter material can be a substance which takes glycosyl, wax base and the like as a base material and is added with solutes with special smell, such as lavender, lemon and the like, for improving the bathing comfort of users, or substances which can supplement water, such as hyaluronic acid and the like, or substances which can remove residual chlorine in water, such as ascorbic acid and the like, are added.

Referring specifically to fig. 5, 11 and 17, the direction of the arrow in the drawing is the water flow direction. When the filter element 20 is used, water in the water inlet flow channel 11 can flow into the water flow channel 84 through the water inlet hole 311, part of water in the water flow channel 84 can flow into the filter material accommodating cavity 83 through the filter material exchange hole 821, so that the filter material in the filter material accommodating cavity 83 is slowly dissolved, the water in the filter material accommodating cavity 83 can bring the slowly released filter material out of the filter material accommodating cavity 83, and the part of water can flow into the water outlet flow channel 12 through the water outlet hole 312; another portion of the water in the water flow channel 84 may flow directly into the water outlet flow channel 12 through the water outlet holes 312. Thus, the filter material in the filter element 20 can be slowly released in water to meet the use requirements of users.

The filter cartridge 20 and the filter cartridge assembly 100 having the same according to one embodiment of the present utility model are described below with reference to fig. 5-6, 11-12, 17-18, 21, and 24.

The filter element assembly 100 comprises a filter element mounting seat 10 and a filter element 20, wherein the filter element mounting seat 10 is provided with a water inlet flow channel 11 and a water outlet flow channel 12, and the filter element 20 is detachably connected with the filter element mounting seat 10. The filter element 20 comprises an upper shell 31, a lower shell 32, a water stopping piece 51, an elastic piece 52, a positioning piece 53 and a second filter material box 80, wherein the upper shell 31 and the lower shell 32 can form the shell 30 in a threaded connection mode, and the water stopping piece 51, the elastic piece 52, the positioning piece 53 and the second filter material box 80 are all arranged in the shell 30. The bottom wall of the lower shell 32 is provided with a plurality of limiting structures 321, one end of the second filter material box 80 is arranged in the limiting structures 321, and the limiting structures 321 are used for enabling the second filter material box 80 to be coaxial with the upper shell 31 and the lower shell 32. The second filter cartridge 80 includes a second cartridge 81 and a cap 82, the end of the second cartridge 81 has an opening 811, the cap 82 is provided at the opening 811, and the cap 82 is provided with a filter exchange hole 821.

The inner circumferential wall of the upper case 31 is provided with a positioning protrusion 313, and the positioning member 53 is positioned on the positioning protrusion 313, so that the position of the positioning member 53 can be fixed. The one end that the sealing-up piece 51 is close to the elastic piece 52 is provided with the assembly groove 511, and the one end that the setting element 53 is close to the elastic piece 52 is provided with first turn-ups 531, and the one end of elastic piece 52 is arranged in the assembly groove 511, and the other end of elastic piece 52 is arranged in first turn-ups 531 to guarantee the radial stability of sealing-up piece 51 and elastic piece 52.

The upper shell 31 is provided with a water inlet 311 and a water outlet 312, the second filter cartridge 80 is internally provided with a filter material accommodating cavity 83, a water flow channel 84 is defined between the second filter cartridge 80 and the shell 30, one end of the water flow channel 84 is communicated with the water inlet 11 through the water inlet 311, the other end of the water flow channel 84 is communicated with the water outlet 12 through the water outlet 312, and the water flow channel 84 is communicated with the filter material accommodating cavity 83 through a filter material exchange hole 821. The water stop 51 may open or close the water inlet 311, and a check valve 541 is provided between the water flow passage 84 and the water outlet 312, and when the water pressure in the water flow passage 84 is greater than the pressure of the check valve 541, the check valve 541 opens the water outlet 312.

In a specific example, referring to fig. 5 to 6, when the filter cartridge 20 is in use, water in the water inlet channel 11 can push the water stop member 51 to move, and the thrust force exerted on the water stop member 51 can overcome the elastic force of the elastic member 52, so that the water stop member 51 can open the water inlet hole 311.

In another specific example, referring to fig. 11 to 12, the cartridge mount 10 further includes a mount body 13 and a push rod 14, the mount body 13 is formed with a water inlet channel 11, the mount body 13 is detachably connected with the cartridge 20, when the cartridge 20 is mounted on the mount body 13, the push rod 14 can push the water stop member 51 to move, and the water stop member 51 can overcome the elastic force of the elastic member 52 when moving, so that the water stop member 51 can open the water inlet hole 311.

In still another specific example, referring to fig. 17-18, the filter element 20 further includes a push rod 40, the push rod 40 is inserted into the water inlet 311 and abuts against the water stop 51, when the filter element 20 is mounted on the filter element mounting seat 10, the filter element mounting seat 10 abuts against the push rod 40, the filter element mounting seat 10 can push the push rod 14 to move, and when the push rod 40 moves, the push rod 40 can push the water stop 51 to move so as to open the water inlet 311.

In the above three examples, the water stopper 51 may open the water inlet 311. After the water stop piece 51 opens the water inlet hole 311, water in the water inlet flow channel 11 can flow into the water flow channel 84 through the water inlet hole 311, part of water in the water flow channel 84 can flow into the filter material accommodating cavity 83 through the filter material exchange hole 821, so that the filter material in the filter material accommodating cavity 83 is slowly dissolved, the water in the filter material accommodating cavity 83 can bring the slowly released filter material out of the filter material accommodating cavity 83, and when the water pressure in the water flow channel 84 is greater than the pressure of the one-way valve 541, the one-way valve 541 opens the water outlet hole 312, and part of water can flow into the water outlet flow channel 12 through the water outlet hole 312; another portion of the water in the water flow channel 84 may flow directly into the water outlet flow channel 12 through the water outlet holes 312. Thus, the filter material in the filter element 20 can be slowly released in water to meet the use requirements of users.

When the filter element 20 is detached from the filter element mounting seat 10, the water stop member 51 is pushed to move by the resilience force of the elastic member 52 so as to block the water inlet hole 311; the water pressure in the water flow channel 84 is smaller than or equal to the pressure of the one-way valve 541, the one-way valve 541 can close the water outlet 312, so as to seal the water in the filter element 20, prevent the water in the filter element 20 from flowing out from the water inlet 311 and the water outlet 312, and improve the use experience of a user.

A water purification apparatus according to an embodiment of the second aspect of the present utility model includes the cartridge assembly 100 according to the embodiment of the first aspect of the present utility model described above.

According to the water purifying device provided by the embodiment of the utility model, by arranging the filter element assembly 100, water in the filter element 20 can be sealed in the filter element 20 when the filter element 20 is replaced, so that water in the filter element 20 is prevented from being sprayed out from the water inlet 311, the use experience of a user is improved, and the labor capacity of the user is reduced.

The water heater 90 according to the embodiment of the third aspect of the present utility model includes the water purifying apparatus according to the embodiment of the above second aspect of the present utility model.

According to the water heater 90 provided by the embodiment of the utility model, by arranging the water purifying equipment, water in the filter element 20 can be sealed in the filter element 20 when the filter element 20 is replaced, so that water in the filter element 20 is prevented from being sprayed out from the water inlet 311, the use experience of a user is improved, and the labor capacity of the user is reduced.

In some specific examples, referring to fig. 28-29, where the direction of the arrow is the direction of water flow, water heater 90 includes a housing 91 and a liner 92, liner 92 is disposed within housing 91, and cartridge assembly 100 is disposed within housing 91 and/or outside housing 91. That is, the cartridge assembly 100 may be provided in the housing 91, or the cartridge assembly 100 may be provided in the housing 91 and outside the housing 91.

When the filter element assembly 100 is disposed in the housing 91, the filter element assembly 100 does not occupy an external arrangement space, and the housing can provide protection for the filter element assembly 100, reducing the probability of the filter element assembly 100 being damaged externally, and facilitating replacement or repair of the filter element 20 when the filter element assembly 100 is disposed outside the housing 91.

The water heater 90 further includes a water inlet pipe 93 and a water outlet pipe 94, and a filter element assembly 100 is connected in series with the water inlet pipe 93 and/or the water outlet pipe 94. That is, the filter element assembly 100 may be connected in series with the water inlet pipe 93, the filter element assembly 100 may be connected in series with the water outlet pipe 94, or the filter element assembly 100 may be connected in series with the water inlet pipe 93 and the water outlet pipe 94. The filter element assembly 100 may include a pre-filter element 95 and a post-filter element 96, the pre-filter element 95 being connected in series with the inlet tube 93 and the post-filter element 96 being connected in series with the outlet tube 94. The filter cartridge 20 according to the first aspect of the present utility model, the filter cartridge 20 according to the second aspect of the present utility model may be a pre-cartridge 95, and the filter cartridge 20 according to the third aspect of the present utility model may be a post-cartridge 96.

When the filter element assembly 100 is connected in series with the water inlet pipe 93, the upstream end of the water flow of the water inlet pipe 93 is communicated with the water inlet channel 11 of the filter element mounting seat 10, and the water outlet channel 12 of the filter element mounting seat 10 is communicated with the downstream end of the water flow of the water inlet pipe 93, so that the water flow of the water inlet pipe 93 flows into the filter element 20 from the water inlet channel 11, and the water flow after being filtered by the filter element 20 flows into the downstream of the water inlet pipe 93 from the water outlet channel 12.

When the filter element assembly 100 is connected in series to the water outlet pipe 94, the upstream end of the water flow of the water outlet pipe 94 is communicated with the water inlet channel 11 of the filter element installation seat 10, and the water outlet channel 12 of the filter element installation seat 10 is communicated with the downstream end of the water flow of the water outlet pipe 94, so that the water flow of the water outlet pipe 94 flows into the filter element 20 from the water inlet channel 11, and after being filtered by the filter element 20, the water flow flows into the downstream of the water outlet pipe 94 from the water outlet channel 12.

When the filter element assembly 100 is connected in series with the water inlet pipe 93, the water quality of the water flow entering the water heater 90 can be improved, so that the water quality of the water flow flowing out of the water heater 90 is improved, and the service life of the water heater 90 is prolonged; when the filter element assembly 100 is connected in series with the water outlet pipe 94, a slow release substance beneficial to the skin can be added in the filter element 20, so as to meet the use requirement of a user.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, reference to the terms "some embodiments," "optionally," "further," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A filter cartridge assembly, comprising:

the filter element installation seat is provided with a water inlet flow passage and a water outlet flow passage;

the filter core, the filter core with the filter core mount pad can dismantle and be connected, the filter core includes:

the shell is provided with a water inlet hole and a water outlet hole, the water inlet hole is communicated with the water inlet flow channel, and the water outlet hole is communicated with the water outlet flow channel;

the water stopping piece is arranged in the shell and positioned at the position of the water inlet hole, and is used for opening or closing the water inlet hole;

the elastic piece is arranged in the shell and is used for pushing the water stopping piece to seal the water inlet hole.

2. The filter element assembly of claim 1, wherein the filter element mount comprises a mount body and a push rod, the mount body is formed with the water inlet flow channel, the mount body is detachably connected with the filter element, one end of the push rod is connected with the mount body, and the other end of the push rod passes through the water inlet hole and stretches into the shell to push the water stop member to open the water inlet hole.

3. The filter cartridge assembly of claim 2, wherein the mount body is integrally formed with the carrier rod.

4. The filter cartridge assembly of claim 1, wherein the filter cartridge comprises: the push rod penetrates through the water inlet hole and is in clearance fit with the peripheral wall of the water inlet hole, one end of the push rod is in butt joint with the water stopping piece, the other end of the push rod stretches out of the shell, and when the filter element is connected with the filter element mounting seat, the filter element mounting seat is in butt joint with the push rod and pushes the water stopping piece to open the water inlet hole through the push rod.

5. The filter element assembly according to claim 4, wherein the pushrod comprises a rod body and a positioning boss disposed at an end of the rod body facing the water stop, and the housing is provided with a positioning groove cooperating with the positioning boss.

6. The filter cartridge assembly of claim 1, wherein the filter cartridge further comprises: the water outlet valve is arranged at the water outlet hole and used for opening or closing the water outlet hole.

7. The filter cartridge assembly of claim 6, wherein the outlet valve is a one-way valve configured to open the outlet aperture when the pressure within the housing reaches a preset pressure.

8. The filter cartridge assembly of any one of claims 1-7, wherein the filter cartridge further comprises:

the central tube is arranged in the shell, and water passing holes are formed in the peripheral wall of the central tube;

the filter material cover is arranged in the shell and is positioned on one side of the central tube, which faces the water inlet, a filter material space is defined between the outer wall surface of the central tube and the inner wall surface of the shell in a matched mode, filter materials are filled in the filter material space, a central channel is defined on the inner side of the central tube, the filter material space is communicated with the water inlet channel through the water inlet hole, the central channel is communicated with the water outlet channel through the water outlet hole, and the filter material space is communicated with the central channel through the water outlet hole.

9. The filter cartridge assembly of claim 8, wherein the filter cartridge cover defines a through-hole therethrough, the filter cartridge further comprising a filter screen disposed on the filter cartridge cover and covering the through-hole.

10. The filter cartridge assembly of any one of claims 1-7, wherein the filter cartridge further comprises:

The filter comprises a shell, a first filter material box, wherein a filter material cavity is formed in the first filter material box, filter materials are filled in the filter material cavity, water passing meshes are formed in the peripheral wall of the first filter material box, a water guide flow passage is defined between the outer wall surface of the first filter material box and the inner wall surface of the shell in a matched mode, the water guide flow passage is communicated with the water inlet flow passage through the water inlet hole, the filter material cavity is communicated with the water outlet flow passage through the water outlet hole, and the filter material cavity is communicated with the water guide flow passage through the water passing meshes.

11. The filter cartridge assembly of claim 10, wherein the first filter cartridge comprises:

the first charging barrel is provided with a filter screen mounting frame on the peripheral wall;

the filter screen, filter screen detachably installs on the filter screen mounting bracket.

12. The filter cartridge assembly of any one of claims 1-7, wherein the filter cartridge further comprises:

the filter material accommodating cavity is filled with filter materials, a filter material exchange hole is formed in the second filter material box, a water flow channel is defined between the second filter material box and the shell, one end of the water flow channel is communicated with the water inlet flow channel through the water inlet hole, the other end of the water flow channel is communicated with the water outlet flow channel through the water outlet hole, and the water flow channel is communicated with the filter material accommodating cavity through the filter material exchange hole.

13. A water purification apparatus comprising a cartridge assembly according to any one of claims 1-12.

14. A water heater comprising the water purification apparatus of claim 13.