Filter element assembly, water purification apparatus and water heater

Abstract

A filter element assembly (100), a water purification apparatus and a water heater (90). The filter element assembly (100) comprises a filter element mount (10) and a filter element (20), wherein the filter element mount (10) is provided with a water inlet flow channel (11); the filter element (20) is detachably connected to the filter element mount (10), and the filter element (20) comprises a housing (30), a water stop member (51), a positioning member (53) and an elastic member (52); the housing (30) is provided with a water inlet hole (311), and the water inlet hole (311) is in communication with the water inlet flow channel (11); the water stop member (51) is arranged in the housing (30) and is positioned at the water inlet hole (311), and the water stop member (51) has an open position for opening the water inlet hole (311) and a closed position for closing the water inlet hole (311); the positioning member (53) is arranged in the housing (30) and is fixed to the housing (30); and the elastic member (52) is connected between the positioning member (53) and the water stop member (51), and the elastic member (52) is used for holding the water stop member (51) in the closed position.

Description

Filter element components, water purification equipment and water heaters

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This disclosure is based on the Chinese patent application with application number: 202310723799.6 and application date of June 15, 2023, and claims the priority of the Chinese patent application. The entire content of the Chinese patent application is hereby introduced into the present disclosure as a reference. Technical Field

[0003] The present disclosure relates to the technical field of water heaters, and in particular to a filter element assembly, a water purification device and a water heater. Background Art

[0004] In order to meet the user's demand for water quality when bathing, a filter element is added to the water heater, and the filter element needs to be replaced after a period of use to ensure the filtering effect; but when replacing the filter element, the applicant found that the water stored in the filter element would spill out, wetting the floor, the user's clothes, etc., which reduced the user's experience when replacing the filter element.

[0005] Summary of the Invention

[0006] The present disclosure aims to at least solve the technical problems existing in the prior art.

[0007] To this end, one purpose of the present disclosure is to propose a filter element assembly, by arranging a water stop member, a positioning member and an elastic member in the filter element, the positioning member can fix the elastic member in the filter element, and the elastic member is used to keep the water stop member in a closed position. When replacing the filter element, the water stop member can seal the water in the filter element in the filter element to prevent the water in the filter element from spilling out from the water inlet hole, thereby improving the user's experience and reducing the user's labor.

[0008] The present disclosure also provides a water purification device having the above-mentioned filter element assembly.

[0009] The present disclosure also provides a water heater having the above-mentioned water purification device.

[0010] According to the filter element assembly of the first aspect embodiment of the present disclosure, it includes: a filter element mounting seat, the filter element mounting seat has a water inlet channel; a filter element, the filter element is detachably connected to the filter element mounting seat, and the filter element includes: a shell, the shell has a water inlet hole, and the water inlet hole is connected to the water inlet channel; a water stop member, the water stop member is arranged in the shell and located at the water inlet hole position, the water stop member has an open position for opening the water inlet hole and a closed position for closing the water inlet hole; a positioning member and an elastic member, the positioning member is arranged in the shell and fixed to the shell, the elastic member is connected between the positioning member and the water stop member, and the elastic member is used to keep the water stop member in the closed position.

[0011] According to the filter element assembly of the embodiment of the present disclosure, a water stop member, a positioning member and an elastic member are arranged in the filter element. The positioning member can fix the elastic member in the filter element, and the elastic member is used to keep the water stop member in the closed position of closing the water inlet hole. When replacing the filter element, the water stop member can seal the water in the filter element in the filter element to prevent the water in the filter element from spilling out from the water inlet hole, thereby improving the user experience and reducing the user's labor.

[0012] According to some embodiments of the present disclosure, the filter element mounting seat includes a mounting seat body, the water inlet channel is formed on the mounting seat body, and the mounting seat body is detachably connected to the filter element.

[0013] According to some embodiments of the present disclosure, the filter element mounting seat further includes a push rod, one end of which is connected to the mounting seat body, and the other end of which passes through the water inlet hole and extends into the shell to push the water stop member to open the water inlet hole.

[0014] According to some embodiments of the present disclosure, the mounting seat body and the push rod are integrally formed.

[0015] According to some embodiments of the present disclosure, the filter element includes: a push rod, which is inserted into the water inlet hole and fits in the clearance with the peripheral wall of the water inlet hole, one end of the push rod abuts against the water stop member and the other end extends out of the shell, and when the filter element is connected to the filter element mounting seat, the filter element mounting seat abuts against the push rod and pushes the water stop member through the push rod to open the water inlet hole.

[0016] According to some embodiments of the present disclosure, the push rod includes a rod body.

[0017] According to some embodiments of the present disclosure, the push rod further includes a positioning boss, and the positioning boss is provided at one end of the rod body facing the water stop member.

[0018] According to some embodiments of the present disclosure, a positioning groove cooperating with the positioning boss is provided on the shell.

[0019] According to some embodiments of the present disclosure, the filter element mounting seat further has a water outlet channel, and the shell further has a water outlet hole, and the water outlet hole is connected to the water outlet channel.

[0020] According to some embodiments of the present disclosure, the filter element further includes: a water outlet valve, which is arranged at the water outlet hole to open or close the water outlet hole.

[0021] According to some embodiments of the present disclosure, the water outlet valve is a one-way valve, and the one-way valve is configured to open the water outlet hole when the pressure in the shell reaches a preset pressure.

[0022] According to some embodiments of the present disclosure, the filter element mounting seat further has a water outlet channel, and the shell further has a water outlet hole, and the water outlet hole is connected to the water outlet channel.

[0023] According to some embodiments of the present disclosure, the filter element further includes: a central tube, which is disposed in the shell.

[0024] According to some embodiments of the present disclosure, water holes are formed on the peripheral wall of the central tube.

[0025] According to some embodiments of the present disclosure, the filter element further includes: a filter material cover, which is disposed in the shell and located on a side of the central tube facing the water inlet.

[0026] According to some embodiments of the present disclosure, the filter material cover, the outer wall surface of the central tube and the inner wall surface of the shell cooperate to define a filter material space, and the filter material space is filled with filter material.

[0027] According to some embodiments of the present disclosure, a central channel is defined on the inner side of the central tube, the filter material space is connected to the water inlet channel through the water inlet hole, the central channel is connected to the water outlet channel through the water outlet hole, and the filter material space and the central channel are connected through the water hole.

[0028] According to some embodiments of the present disclosure, a through hole is formed on the filter material cover and passes through the filter material cover.

[0029] According to some embodiments of the present disclosure, the filter element further includes a filter screen, which is disposed on the filter material cover and covers the through hole.

[0030] According to some embodiments of the present disclosure, the filter element mounting seat further has a water outlet channel, and the shell further has a water outlet hole, and the water outlet hole is connected to the water outlet channel.

[0031] According to some embodiments of the present disclosure, the filter element further includes: a first filter material box, wherein the first filter material box has a filter material cavity therein, and the filter material cavity is filled with filter material.

[0032] According to some embodiments of the present disclosure, the peripheral wall of the first filter material box has water-passing mesh holes.

[0033] According to some embodiments of the present disclosure, the outer wall surface of the first filter box and the inner wall surface of the shell cooperate to define a water guide channel, the water guide channel is connected to the water inlet channel through the water inlet hole, the filter material cavity is connected to the water outlet channel through the water outlet hole, and the filter material cavity and the water guide channel are connected through the water mesh.

[0034] According to some embodiments of the present disclosure, the first filter cartridge includes: a first cartridge, wherein a peripheral wall of the first cartridge has a filter mounting frame.

[0035] According to some embodiments of the present disclosure, the first filter material box further includes: a filter screen, which is detachably mounted on the filter screen mounting frame.

[0036] According to some embodiments of the present disclosure, the filter element mounting seat further has a water outlet channel, and the shell further has a water outlet hole, and the water outlet hole is connected to the water outlet channel.

[0037] According to some embodiments of the present disclosure, the filter element further includes: a second filter material box, wherein the second filter material box has a filter material accommodating cavity, and the filter material accommodating cavity is filled with filter material.

[0038] According to some embodiments of the present disclosure, the second filter material box has a filter material exchange hole.

[0039] According to some embodiments of the present disclosure, a water flow channel is defined between the second filter material box and the shell, one end of the water flow channel is connected to the water inlet channel through the water inlet hole, the other end of the water flow channel is connected to the water outlet channel through the water outlet hole, and the water flow channel and the filter material accommodating chamber are connected through the filter material exchange hole.

[0040] The water purification device according to the second embodiment of the present disclosure includes the filter element assembly according to the first embodiment of the present disclosure.

[0041] According to the water purification device of the embodiment of the present disclosure, by setting the above-mentioned filter element assembly, the water in the filter element can be sealed in the filter element when the filter element is replaced, preventing the water in the filter element from spilling out from the water inlet hole, thereby improving the user experience and reducing the user's labor.

[0042] The water heater according to the third embodiment of the present disclosure includes the water purification device according to the above-mentioned second embodiment of the present disclosure.

[0043] According to the water heater of the embodiment of the present disclosure, by providing the above-mentioned water purification device, the water in the filter element can be sealed in the filter element when the filter element is replaced, preventing the water in the filter element from spilling out from the water inlet hole, thereby improving the user experience and reducing the user's labor.

[0044] Additional aspects and advantages of the present disclosure will be given in part in the description that follows and, in part, will be obvious from the description that follows, or will be learned through practice of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] The above and / or additional aspects and advantages of the present disclosure will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0046] FIG1 is a cross-sectional view of a filter element assembly according to an embodiment of the first aspect of the present disclosure;

[0047] FIG2 is a cross-sectional exploded view of a filter element assembly according to an embodiment of the first aspect of the present disclosure;

[0048] FIG3 is a cross-sectional view of a filter element assembly according to an embodiment of the second aspect of the present disclosure;

[0049] FIG4 is a cross-sectional exploded view of a filter element assembly according to an embodiment of the second aspect of the present disclosure;

[0050] FIG5 is a cross-sectional view of a filter element assembly according to an embodiment of the third aspect of the present disclosure;

[0051] FIG6 is a cross-sectional exploded view of a filter element assembly according to an embodiment of the third aspect of the present disclosure;

[0052] 7 is a cross-sectional view of a filter element assembly according to an embodiment of the fourth aspect of the present disclosure;

[0053] FIG8 is a cross-sectional exploded view of a filter element assembly according to an embodiment of the fourth aspect of the present disclosure;

[0054] FIG9 is a cross-sectional view of a filter element assembly according to an embodiment of the fifth aspect of the present disclosure;

[0055] FIG10 is a cross-sectional exploded view of a filter element assembly according to an embodiment of the fifth aspect of the present disclosure;

[0056] FIG11 is a cross-sectional view of a filter element assembly according to a sixth embodiment of the present disclosure;

[0057] FIG12 is a cross-sectional exploded view of a filter element assembly according to an embodiment of a sixth aspect of the present disclosure;

[0058] FIG13 is a cross-sectional view of a filter element assembly according to a seventh embodiment of the present disclosure;

[0059] FIG14 is a cross-sectional exploded view of a filter element assembly according to a seventh embodiment of the present disclosure;

[0060] FIG15 is a cross-sectional view of a filter element assembly according to an eighth embodiment of the present disclosure;

[0061] FIG16 is a cross-sectional exploded view of a filter element assembly according to an eighth embodiment of the present disclosure;

[0062] FIG17 is a cross-sectional view of a filter element assembly according to an embodiment of a ninth aspect of the present disclosure;

[0063] FIG18 is a cross-sectional exploded view of a filter element assembly according to an embodiment of a ninth aspect of the present disclosure;

[0064] FIG19 is a cross-sectional view of a filter element according to an embodiment of the first aspect of the present disclosure;

[0065] FIG20 is a cross-sectional view of a filter element according to an embodiment of the second aspect of the present disclosure;

[0066] FIG21 is a cross-sectional view of a filter element according to an embodiment of the third aspect of the present disclosure;

[0067] FIG22 is a cross-sectional view of a filter element according to an embodiment of a seventh aspect of the present disclosure;

[0068] FIG23 is a cross-sectional view of a filter element according to an embodiment of the eighth aspect of the present disclosure;

[0069] FIG24 is a cross-sectional view of a filter element according to an embodiment of the ninth aspect of the present disclosure;

[0070] FIG25 is a cross-sectional view of a filter element receptacle according to an embodiment of the present disclosure, wherein a filter element is installed;

[0071] FIG26 is a cross-sectional view of a filter element adapter according to an embodiment of the present disclosure, wherein no filter element is installed;

[0072] FIG27 is an exploded view of a filter element socket and a filter element according to an embodiment of the present disclosure;

[0073] FIG28 is a schematic diagram of a water heater according to an embodiment of the present disclosure, wherein the filter element assembly is installed in the housing;

[0074] 29 is a schematic diagram of a water heater according to an embodiment of the present disclosure, wherein the filter element assembly is installed outside the housing.

[0075] Figures: 100, filter element assembly; 10, filter element mounting seat; 11, water inlet channel; 12, water outlet channel; 13, mounting seat body; 14, push rod; 15 slide rail; 161, first water retaining member; 162, second water retaining member; 163, first spring; 164, second spring; 171, first sealing ring; 172, second sealing ring; 173, third sealing ring; 174, fourth sealing ring; 181, filter element inlet; 182, filter element outlet; 183, intermediate channel; 184, intermediate channel inlet; 185, intermediate channel outlet; 20, filter element; 30, housing; 31, upper housing; 311, water inlet hole; 312, water outlet hole; 313, positioning protrusion; 314, positioning groove; 32, lower housing; 321, limiting structure; 33, sliding rib; 34 sealing member; 40. Push rod; 41. Rod body; 42. Positioning boss; 51. Water stop; 511. Assembly groove; 52. Elastic member; 53. Positioning member; 531. First flange; 54. Water outlet valve; 541. One-way valve; 61. Center tube; 611. Water hole; 62. Center channel; 63. Filter material space; 64. Filter material cover; 65. Filter screen; 66. Fifth sealing ring; 70. First filter material box; 71. First filter cartridge; 72. Water mesh hole; 73. Filter screen mounting bracket; 731. Second flange; 74. Filter screen; 75. Filter material cavity; 76. Water guide channel; 80. Second filter material box; 81. Second filter cartridge; 811. Opening; 82. Filter cover; 821. Filter material exchange hole; 83. Filter material accommodating cavity; 84. Water flow channel; 90. Water heater; 91. Outer shell; 92. Inner tank; 93. Water inlet pipe; 94. Water outlet pipe; 95. Pre-filter element; 96. Post-filter element. DETAILED DESCRIPTION

[0076] In order to more clearly understand the above-mentioned objectives, features and advantages of the present disclosure, the present disclosure is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present disclosure and the features therein can be combined with each other without conflict.

[0077] In the following description, many specific details are set forth to facilitate a full understanding of the present disclosure. However, the present disclosure may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present disclosure is not limited to the specific embodiments disclosed below.

[0078] The filter element assembly 100 according to an embodiment of the present disclosure will be described below with reference to Figures 1 to 29.

[0079] In order to meet the user's demand for water quality during bathing, a filter element 20 is added to the water heater. The filter element 20 needs to be replaced after a period of use to ensure the filtering effect. However, when replacing the filter element 20, the applicant found that the water in the filter element 20 would spill out, wetting the floor and the user's clothes, etc., which reduced the user's experience when replacing the filter element 20. Therefore, the present application proposes a filter element assembly 100.

[0080] 1-18 , the filter element assembly 100 includes a filter element mounting seat 10 and a filter element 20. The filter element mounting seat 10 has a water inlet channel 11. For example, the filter element mounting seat 10 can be set on a water purification device, and the water inlet channel 11 is connected to the water path on the water purification device. The filter element 20 is detachably connected to the filter element mounting seat 10, and the filter element 20 can be removed from the filter element mounting seat 10, which can facilitate the later maintenance or replacement of the filter element 20. For example, the filter element mounting seat 10 can be provided with a slide rail 15, and a sliding rib 33 can be provided on the filter element 20, so that one end of the filter element 20 can be rotated onto the filter element mounting seat 10. The slide rail 15 and the filter element mounting seat 10 can define an installation groove, and the sliding rib 33 can be installed in the installation groove, so that the filter element 20 can be installed on the filter element mounting seat 10. This structure can ensure the stability of the installation of the filter element 20 and can also facilitate the later replacement of the filter element 20. The filter element 20 includes a housing 30, a water stopper 51, a positioning member 53 and an elastic member 52, which are all disposed in the housing 30. The housing 30 has a water inlet 311, which is connected to the water inlet channel 11. The water stop member 51 is located at the water inlet hole 311. The water stop member 51 has an open position for opening the water inlet hole 311 and a closed position for closing the water inlet hole 311. When the water stop member 51 is located at the open position for opening the water inlet hole 311, the water inlet hole 311 can connect the water inlet channel 11 and the filter element 20, and the water in the water inlet channel 11 can flow into the filter element 20 through the water inlet hole 311; when the water stop member 51 is located at the closed position for closing the water inlet hole 311, the water inlet hole 311 cannot connect the water inlet channel 11 and the filter element 20, the water in the water inlet channel 11 cannot flow into the filter element 20 through the water inlet hole 311, and the water in the filter element 20 cannot flow out through the water inlet hole 311.

[0081] The positioning member 53 is fixed to the housing 30. For example, the inner circumferential wall of the housing 30 is provided with a positioning protrusion 313. The positioning member 53 is located on the positioning protrusion 313, which can fix the position of the positioning member 53 within the housing 30, thereby securing the positioning member 53 to the housing 30. The end of the water stop 51 near the elastic member 52 is provided with a mounting groove 511, and the end of the positioning member 53 near the elastic member 52 is provided with a first flange 531. One end of the elastic member 52 is positioned in the mounting groove 511, and the other end of the elastic member 52 is positioned in the first flange 531, thereby ensuring radial stability of the water stop 51 and the elastic member 52.

[0082] The elastic member 52 is connected between the positioning member 53 and the water stop member 51. The elastic member 52 is used to keep the water stop member 51 in the closed position. After the filter element 20 is used, a portion of water will remain in the filter element 20. When the water stop member 51 is kept in the closed position, the water remaining in the filter element 20 can be sealed inside the filter element 20, preventing the water in the filter element 20 from spilling out of the water inlet 311 when the filter element 20 is replaced. This will not cause the water in the filter element 20 to spill outside, thereby increasing the user's labor and improving the user's experience. By using the rebound force of the elastic member 52 to push the water stop member 51 to remain in the closed position, the method of closing the water inlet 311 by the water stop member 51 can be simple, and the reliability of closing the water inlet 311 can be high. For example, the elastic member 52 can be a spring, and the water stop member 51 can be made of silicone rubber, EPDM rubber, nitrile rubber, fluororubber, or other materials.

[0083] When the filter element 20 needs to be replaced or repaired, the filter element 20 needs to be removed from the filter element mounting base 10. The elastic member 52 can be elastically reset to keep the water stop member 51 in the closed position, sealing the water in the filter element 20 within the filter element 20 and preventing the water in the filter element 20 from spilling out of the water inlet hole 311 when the filter element 20 is replaced. When the filter element 20 is installed on the filter element mounting base 10, the water stop member 51 can be in the open position of the water inlet hole 311, and the water in the water inlet channel 11 can flow into the filter element 20 through the water inlet hole 311.

[0084] In one 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 both located at one end of the upper housing 31 away from the lower housing 32. The upper housing 31 and the lower housing 32 may be connected by threads, with a portion of the outer circumferential wall of the upper housing 31 having external threads, and a portion of the inner circumferential wall of the lower housing 32 having internal threads. A portion of the upper housing 31 may be accommodated within the lower housing 32, and the upper housing 31 and the lower housing 32 may be threadedly mated, allowing the upper housing 31 and the lower housing 32 to be sealed. A seal 34 is provided at the assembly point between the upper housing 31 and the lower housing 32 to seal the connection between the upper housing 31 and the lower housing 32 and prevent water from leaking out of the connection between the upper housing 31 and the lower housing 32.

[0085] According to the filter element assembly 100 of the embodiment of the present disclosure, by arranging a water stop member 51, a positioning member 53 and an elastic member 52 in the filter element 20, the positioning member 53 can fix the elastic member 52 in the filter element 20, and the elastic member 52 is used to keep the water stop member 51 in the closed position of closing the water inlet hole 311. When the filter element 20 is replaced, the water stop member 51 can seal the water in the filter element 20 in the filter element 20 to prevent the water in the filter element 20 from spilling out from the water inlet hole 311, thereby improving the user experience and reducing the user's labor.

[0086] In another specific example, referring specifically to Figures 25-27 , the filter cartridge mounting base 10 further comprises an outlet channel 12, and the housing 30 further comprises an outlet hole 312, which is in communication with the outlet channel 12. A valve assembly is further provided within the filter cartridge mounting base 10, which further comprises an intermediate channel 183, which can connect the outlet channel 12 and the inlet channel 11. The valve assembly is used to control the direction of water flow within the filter cartridge mounting base 10. The valve assembly includes a first water retaining member 161, a second water retaining member 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 retaining member 161. The first water retaining member 161 is arranged in the water inlet channel 11. The first water retaining member 161 is used to open or close the filter element inlet 181 and the intermediate channel inlet 184. The second spring 164 is sleeved on the outer peripheral wall of the second water retaining member 162. The second water retaining member 162 is arranged in the water outlet channel 12. The second water retaining member 162 is used to open or close the filter element outlet 182 and the intermediate channel outlet 185. The outer peripheral wall of the first water retaining member 161 is sleeved with a first sealing ring 171 and a second sealing ring 172. The first sealing ring 171 is used to seal the intermediate channel inlet 184, and the second sealing ring 172 is used to seal the filter element inlet 181. The outer peripheral wall of the second water retaining member 162 is sleeved with a third sealing ring 173 and a fourth sealing ring 174. The third sealing ring 173 is used to seal the intermediate channel outlet 185, and the fourth sealing ring 174 is used to seal the filter element outlet 182.

[0087] When the filter element 20 is installed on the filter element mounting base 10, the upper housing 31 of the filter element 20 can push the first water retaining member 161 and the second water retaining member 162 to move, so that the first water retaining member 161 opens the filter element inlet 181 and can simultaneously close the intermediate flow channel inlet 184, and the first sealing ring 171 further seals the intermediate flow channel inlet 184; so that the second water retaining member 162 opens the filter element outlet 182 and can simultaneously close the intermediate flow channel outlet 185, and the third sealing ring 173 further seals the intermediate flow channel outlet 185. Water can flow from the water inlet channel 11 into the filter element 20, and the water in the filter element 20 can flow into the water outlet channel 12.

[0088] When the filter element 20 is removed from the filter element mounting seat 10, the elastic force of the first spring 163 can push the first water retaining member 161 to close the filter element inlet 181 while opening the intermediate 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 retaining member 162 to close the filter element outlet 182 while opening the intermediate flow channel outlet 185, and the fourth sealing ring 174 further seals the filter element outlet 182. Water can flow from the water inlet channel 11 into the intermediate flow channel 183, and the water in the intermediate flow channel 183 can flow into the water outlet channel 12. This can prevent the water in the water outlet channel 12 from flowing out of the filter element inlet 181 after the filter element 20 is removed from the filter element mounting seat 10, thereby improving the user experience and reducing the user's workload.

[0089] According to some embodiments of the present disclosure, referring to Figures 7 to 12, a filter cartridge mounting base 10 includes a mounting base body 13 and a push rod 14. The mounting base body 13 is formed with a water inlet flow channel 11. The mounting base body 13 is detachably connected to the filter cartridge 20, and the filter cartridge 20 can be installed on the mounting base body 13, or the filter cartridge 20 can be removed from the mounting base body 13. For example, the mounting base body 13 can be provided with a slide rail 15, and the filter cartridge 20 can be provided with a slide rib 33. The slide rail 15 and the slide rib 33 can cooperate to install the filter cartridge 20 on the mounting base body 13, and also facilitate the later replacement of the filter cartridge 20. One end of the push rod 14 is connected to the mounting base body 13, and the other end of the push rod 14 extends through the water inlet hole 311 into the housing 30 to push the water stop 51 to open the water inlet hole 311. When the filter element 20 is installed on the mounting base body 13, the push rod 14 can push the water stop 51 to overcome the elastic force of the elastic member 52 to open the water inlet hole 311. When the filter element 20 can be removed from the mounting base body 13, the push rod 14 can be removed from the water inlet hole 311, and the elastic member 52 can be elastically reset to keep the water stop 51 in the closed position. The provision of the push rod 14 on the filter element mounting base 10 can make the method of opening the water inlet hole 311 by the water stop 51 simple and reliable.

[0090] According to some embodiments of the present disclosure, referring to Figures 7 to 12, the mounting seat body 13 and the push rod 14 are integrally formed, which can ensure the structural strength of the mounting seat body 13 and the push rod 14, and can also eliminate the assembly process of installing the push rod 14 to the mounting seat body 13.

[0091] According to some embodiments of the present disclosure, referring to Figures 13-18 , the filter cartridge 20 includes a push rod 40. The push rod 40 extends through the water inlet hole 311 and fits within the clearance of the surrounding wall of the water inlet hole 311. One end of the push rod 40 abuts against a water stop 51, and the other end of the push rod 40 extends out of the housing 30. When the filter cartridge 20 is connected to the filter cartridge mounting seat 10, the filter cartridge mounting seat 10 abuts against the push rod 40. The filter cartridge mounting seat 10 can push the push rod 40 to move. When the push rod 40 moves, it pushes the water stop 51 to open the water inlet hole 311. This position enables water in the water inlet channel 11 to flow into the filter cartridge 20 through the water inlet hole 311. When the filter cartridge 20 is removed from the filter cartridge mounting seat 10, the elastic member 52 elastically returns to its original position, maintaining the water stop 51 in the closed position. This prevents water in the filter cartridge 20 from flowing out of the filter cartridge 20 through the water inlet hole 311. For example, the number of push rods 40 can be set to multiple, and the multiple push rods 40 can be arranged at intervals on the water stop 51, so that the force exerted by the push rods 40 on the water stop 51 is more balanced. Alternatively, the push rods 40 can be connected to the water stop 51; alternatively, the push rods 40 and the water stop 51 can be designed as separate bodies.

[0092] According to some embodiments of the present disclosure, referring to Figures 13-18, the push rod 40 includes a rod body 41 and a positioning boss 42. The rod body 41 can be connected to the positioning boss 42. The positioning boss 42 is provided at one end of the rod body 41 facing the water stop 51. The housing 30 is provided with a positioning groove 314, which cooperates with the positioning boss 42. When the filter element 20 is removed from the filter element mounting seat 10, the elastic member 52 can elastically reset to push the water stop 51 to move. When the water stop 51 moves, it can push the push rod 40 to move, 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 continuing to move away from the water stop 51. The positioning groove 314 can limit the position of the positioning boss 42, and thus limit the position of the push rod 40, preventing the push rod 40 from falling out of the water inlet hole 311.

[0093] According to some embodiments of the present disclosure, referring to Figures 1-24, the filter cartridge mounting base 10 further comprises a water outlet channel 12, and the housing 30 further comprises a water outlet hole 312, which is in communication with the water outlet channel 12. Water in the water inlet channel 11 can flow into the filter cartridge 20 through the water inlet hole 311. Water filtered by the filter cartridge 20 can then flow to the water outlet channel 12 through the water outlet hole 312, thereby allowing the filter cartridge 20 to complete the filtration of the water. The filter cartridge 20 further comprises a water outlet valve 54, which is located at the water outlet hole 312 and is used to open or close the water outlet hole 312. When the water outlet valve 54 opens the water outlet hole 312, the water outlet hole 312 can connect the filter element 20 and the water outlet channel 12, and the water in the filter element 20 can flow into the water outlet channel 12 through the water outlet hole 312; when the water outlet valve 54 closes the water outlet hole 312, the water outlet valve 54 can prevent the water in the filter element 20 from flowing into the water outlet channel 12 through the water outlet hole 312.

[0094] According to some embodiments of the present disclosure, referring to Figures 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 within the housing 30 reaches a preset pressure. The one-way valve 541 can control the water within the filter element 20 to flow in only one direction, that is, the water within the filter element 20 can only flow into the water outlet channel 12 through the water outlet hole 312; the one-way valve 541 can prevent the water in the water outlet channel 12 from flowing into the filter element 20 through the water outlet hole 312. After the filter element 20 is removed from the filter element mounting seat 10, the pressure within the housing 30 is lower than the preset pressure, and the one-way valve 541 can close the water outlet hole 312, thereby preventing the water within the filter element 20 from flowing out through the water outlet hole 312, thereby sealing the water within the filter element 20 within the filter element 20. For example, the preset pressure can be 0.05Mpa. When the pressure inside the shell 30 is greater than 0.05Mpa, the one-way valve 541 can open the water outlet 312, and the water in the filter element 20 can flow into the water outlet channel 12 through the water outlet hole 312; when the pressure inside the shell 30 is less than and equal to 0.05Mpa, the one-way valve 541 can close the water outlet hole 312 to prevent the water in the filter element 20 from flowing into the water outlet channel 12 through the water outlet hole 312.

[0095] According to some embodiments of the present disclosure, referring to Figures 1-2, 7-8, 13-14, 19, and 22, the filter element 20 further includes a central tube 61 and a filter material cover 64. The central tube 61 is disposed in the shell 30, and one end of the central tube 61 can abut against the bottom wall of the shell 30. For example, a limiting structure 321 is provided on the bottom wall of the lower shell 32. The limiting structure 321 is used to limit the relative position of the central tube 61, which can improve the stability of the structure of the central tube 61. Water holes 611 are formed on the peripheral wall of the central tube 61. For example, the number of the water holes 611 can be set to one or more, and the multiple water holes 611 can be arranged at intervals around the central tube 61.

[0096] A filter cover 64 is disposed within the housing 30 and is located on the side of the central tube 61 facing the water inlet 311. The filter cover 64, the outer wall of the central tube 61, and the inner wall of the housing 30 cooperate to define a filter space 63, which is filled with filter material. For example, the filter material can be an absorbent filter material such as PP cotton, activated carbon, or magnetite, or a resin, TAC, ASP, MSAP, or other filter material that absorbs and displaces anions and cations in water or prevents the formation of scale from the combination of anions and cations in water. The inner side of the central tube 61 defines a central channel 62. The filter space 63 communicates with the water inlet channel 11 through the water inlet 311. The central channel 62 communicates with the water outlet channel 12 through the water outlet 312. The filter space 63 and the central channel 62 are connected by a water hole 611. For example, the size of the water hole 611 is smaller than that of the filter material, which prevents the filter material in the filter space 63 from flowing into the central channel 62 through the water hole 611. Water in the water inlet channel 11 can flow into the filter material space 63 through the water inlet hole 311, and water filtered by the filter material in the filter material space 63 can flow into the central channel through the water hole 611. The water in the central channel can flow into the water outlet channel 12 through the water outlet hole 312.

[0097] According to some embodiments of the present disclosure, referring to Figures 1-2, 7-8, 13-14, 19, and 22, a through hole is formed on the filter cover 64, and the through hole penetrates the filter cover 64. The filter element 20 also includes a filter screen 65, which is provided on the filter cover 64 and covers the through hole. The filter screen 65 can prevent the filter material from spilling out of the filter material space 63 and can filter most of the sediment and suspended matter in the water to improve the filtering effect of the filter element 20. For example, the filter screen 65 can be a stainless steel filter screen with a mesh size between 20 and 100.

[0098] With specific reference to Figures 1, 7, and 13, the arrows in the figures indicate the direction of water flow. When the filter element 20 is in use, water from the water inlet channel 11 flows through the water inlet hole 311 to the filter screen 65. The filter screen 65 filters most of the sediment and suspended matter in the water. The water filtered by the filter screen 65 flows into the filter material space 63. The filter material in the filter material space 63 filters the water to remove impurities. The filtered water flows through the water hole 611 into the central channel 62. The water in the central channel 62 flows through the water outlet hole 312 into the water outlet channel 12. Thus, the filter element 20 completes the filtration of water, improving the water quality.

[0099] The following describes a filter element 20 and a filter element assembly 100 having the same according to an embodiment of the present disclosure with reference to Figures 1-2, 7-8, 13-14, 19, and 22.

[0100] The filter element assembly 100 includes a filter element mounting seat 10 and a filter element 20 . The filter element mounting seat 10 has a water inlet flow channel 11 and a water outlet flow channel 12 . The filter element 20 is detachably connected to the filter element mounting seat 10 .

[0101] The filter element 20 includes an upper housing 31, a lower housing 32, a water stop 51, an elastic member 52, a positioning member 53, a central tube 61, a filter cover 64, and a filter screen 65. The upper housing 31 and the lower housing 32 can be threadedly connected to form the housing 30. The water stop 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 within the housing 30, with the filter screen 65 mounted within a through-hole in the filter cover 64. The bottom wall of the lower housing 32 is provided with a plurality of retaining structures 321. One end of the central tube 61 is disposed within the retaining structure 321. The retaining structure 321 is used to ensure that the central tube 61 is coaxial with the upper and lower housings 31, 32. The filter material cover 64 is located at one end of the central tube 61 away from the bottom wall of the shell 30. A fifth sealing ring 66 is provided between the outer peripheral wall of the filter material cover 64 and the inner wall of the lower shell 32, which is used to seal the gap between the outer peripheral wall of the filter material cover 64 and the inner wall of the lower shell 32, to prevent part of the water from passing through the filter screen 65 and flowing directly into the filter material space 63 from the gap between the outer peripheral wall of the filter material cover 64 and the inner wall of the lower shell 32, so that a small amount of impurities such as mud, sand and suspended matter in the water cannot be filtered, thereby weakening the filtering effect of the filter element 20.

[0102] The upper shell 31 has a water inlet 311 and a water outlet 312. The filter cover 64, the outer wall of the center tube 61, and the inner wall of the shell 30 cooperate to define a filter space 63 filled with filter material. The inner side of the center tube 61 defines a central channel 62. A water hole 611 is formed on the peripheral wall of the center tube 61. The water hole 611 connects the filter space 63 with the central channel 62. The water inlet 311 connects the water inlet channel 11 with the filter space 63, and the water outlet 312 connects the water outlet channel 12 with the central channel 62. The water stop 51 can open or close the water inlet 311. A one-way valve 541 is provided between the central channel 62 and the water outlet 312. When the water pressure in the central channel 62 exceeds the pressure of the one-way valve 541, the one-way valve 541 opens the water outlet 312.

[0103] In a specific example, referring to Figures 1-2, when the filter element 20 is in use, the water in the water inlet channel 11 can push the water stop 51 to move, and the thrust exerted on the water stop 51 can overcome the elastic force of the elastic member 52, so that the water stop 51 remains in the open position, and the water stop 51 can open the water inlet hole 311.

[0104] In another specific example, referring to Figures 7-8, the filter element mounting seat 10 also includes a mounting seat body 13 and a push rod 14. The mounting seat body 13 is formed with a water inlet channel 11. The mounting seat body 13 is detachably connected to the filter element 20. When the filter element 20 is installed on the mounting seat body 13, the push rod 14 can push the water stop member 51 to move. When the water stop member 51 moves, it can overcome the elastic force of the elastic member 52 so that the water stop member 51 remains in the open position, and the water stop member 51 can open the water inlet hole 311.

[0105] In another specific example, referring to Figures 13-14, the filter element 20 also includes a push rod 40, which is inserted into the water inlet hole 311 and abuts against the water stop member 51. When the filter element 20 is installed 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. When the push rod 40 moves, it can push the water stop member 51 to move, so that the water stop member 51 remains in the open position, and the water stop member 51 can open the water inlet hole 311.

[0106] In all three examples described above, water stop 51 can open water inlet 311. After water stop 51 opens water inlet 311, water in water inlet channel 11 can flow through water inlet 311 to filter screen 65. Filter screen 65 can filter out most of the sediment and suspended matter in the water. The filtered water can then flow into filter media space 63. The filter media in filter media space 63 can filter the water to remove impurities. The filtered water can then flow through water hole 611 into central channel 62. When the water pressure in central channel 62 exceeds the pressure in one-way valve 541, one-way valve 541 opens water outlet 312, allowing water in central channel 62 to flow through water outlet 312 into water outlet channel 12. Thus, filter element 20 completes water filtration, improving water quality.

[0107] When the filter element 20 is removed from the filter element mounting seat 10, the rebound force of the elastic member 52 pushes the water stop member 51 to move so that the water stop member 51 remains in the closed position, and the water stop member 51 can close 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 hole 312 to seal the water in the filter element 20 in the filter element 20, preventing the water in the filter element 20 from flowing out from the water inlet hole 311 and the water outlet hole 312, which can improve the user experience.

[0108] According to some embodiments of the present disclosure, referring to Figures 3-4, 9-10, 15-16, 20, and 23, the filter element 20 further includes a first filter material box 70, one end of which can abut against the bottom wall of the housing 30. For example, a limiting structure 321 is provided on the bottom wall of the lower housing 32, and the limiting structure 321 is used to limit the relative position of the first filter material box 70, which can improve the stability of the structure of the first filter material box 70. The first filter material box 70 has a filter material cavity 75 therein, and the filter material cavity 75 is filled with filter material. For example, the filter material can be an adsorptive filter material such as PP cotton, activated carbon, or a magnet, or can be a filter material such as resin, TAC, ASP, or MSAP that absorbs and replaces anions and cations in water or prevents anions and cations in water from combining to form scale. The peripheral wall of the first filter material box 70 has a water-passing mesh 72. The outer wall surface of the first filter material box 70 cooperates with the inner wall surface of the housing 30 to define a water guide channel 76. The water guide channel 76 is connected to the water inlet channel 11 through the water inlet hole 311. The filter material cavity 75 is connected to the water outlet channel 12 through the water outlet hole 312. The filter material cavity 75 and the water guide channel 76 are connected through the water-passing mesh 72. Water in the water inlet channel 11 can flow into the water guide channel 76 through the water inlet hole 311. Water in the water guide channel 76 can flow into the filter material cavity 75 through the water-passing mesh 72. Water filtered by the filter material in the filter material cavity 75 can flow into the water outlet channel 12 through the water outlet hole 312.

[0109] According to some embodiments of the present disclosure, referring to Figures 3-4, 9-10, 15-16, 20, and 23, a first filter cartridge 70 includes a first cartridge 71 and a filter screen 74. The peripheral wall of the first cartridge 71 includes a filter screen mounting bracket 73, to which the filter screen 74 is detachably mounted. A water-passing mesh 72 is provided on the first cartridge 71. The filter screen 74 prevents filter media from spilling out of the filter media cavity 75 and filters most of the sediment and suspended matter in the water, thereby improving the filtration efficiency of the filter element 20. For example, the filter screen 74 may be a stainless steel filter screen with a mesh size between 20 and 100.

[0110] With specific reference to Figures 3, 9, and 15, the arrows in the figures indicate the direction of water flow. When the filter element 20 is in use, water from the water inlet channel 11 can flow through the water inlet hole 311 into the water guide channel 76. The water in the water guide channel 76 can flow to the filter screen 74, which can filter out most of the sediment and suspended matter in the water. The water filtered by the filter screen 74 can flow through the water mesh 72 into the filter material cavity 75. The filter material in the filter material cavity 75 can filter the water to remove impurities in the water. The filtered water can then flow through the water outlet hole 312 into the water outlet channel 12. Thus, the filter element 20 completes the filtration of water, improving the water quality.

[0111] The following describes a filter element 20 and a filter element assembly 100 having the same according to an embodiment of the present disclosure with reference to Figures 3-4, 9-10, 15-16, 20, and 23.

[0112] The filter element assembly 100 includes a filter element mounting seat 10 and a filter element 20 . The filter element mounting seat 10 has a water inlet flow channel 11 and a water outlet flow channel 12 . The filter element 20 is detachably connected to the filter element mounting seat 10 .

[0113] The filter element 20 includes an upper shell 31, a lower shell 32, a water stop 51, an elastic member 52, and a first filter cartridge 70. The upper shell 31 and the lower shell 32 can be threadedly connected to form the shell 30. The water stop 51, the elastic member 52, and the first filter cartridge 70 are all disposed within the shell 30. The bottom wall of the lower shell 32 is provided with a plurality of retaining structures 321. One end of the first filter cartridge 70 is disposed within the retaining structure 321. The retaining structure 321 is used to ensure that the first filter cartridge 70 is coaxial with the upper shell 31 and the lower shell 32.

[0114] The first filter cartridge 70 includes a first cartridge 71 and a filter screen 74. The peripheral wall of the first cartridge 71 is provided with a filter screen mounting bracket 73, to which the filter screen 74 is removably mounted. The first cartridge 71 is provided with a water-passing mesh hole 72. The end of the water stop 51 proximal to the elastic member 52 is provided with a mounting groove 511. A second flange 731 is provided at one end of the first filter cartridge 70. One end of the elastic member 52 is positioned within the mounting groove 511, while the other end of the elastic member 52 is positioned within the second flange 731, ensuring radial stability of the water stop 51 and the elastic member 52.

[0115] The upper shell 31 has a water inlet 311 and a water outlet 312. The first filter cartridge 70 has a filter cavity 75 filled with filter material. The outer wall of the first filter cartridge 70 cooperates with the inner wall of the shell 30 to define a water channel 76. The water inlet 311 can connect the water inlet channel 11 with the water channel 76, the water mesh 72 can connect the water channel 76 with the filter cavity 75, and the water outlet 312 can connect the filter cavity 75 with the water outlet channel 12. The water stop 51 can open or close the water inlet 311. A one-way valve 541 is provided between the central channel 62 and the water outlet 312. When the water pressure in the water channel 76 is greater than the pressure of the one-way valve 541, the one-way valve 541 opens the water outlet 312.

[0116] In a specific example, referring to Figures 3-4, when the filter element 20 is in use, the water in the water inlet channel 11 can push the water stop 51 to move, and the thrust exerted on the water stop 51 can overcome the elastic force of the elastic member 52, so that the water stop 51 remains in the open position, and the water stop 51 can open the water inlet hole 311.

[0117] In another specific example, referring to Figures 9-10 , filter cartridge mounting base 10 further includes a mounting base body 13 and a push rod 14. Mounting base body 13 defines a water inlet passage 11 and is detachably connected to filter cartridge 20. When filter cartridge 20 is mounted on mounting base body 13, push rod 14 pushes water stop 51 to move. This movement overcomes the elastic force of elastic member 52, maintaining water stop 51 in the open position and opening water inlet hole 311.

[0118] In another specific example, referring to Figures 15-16, the filter element 20 also includes a push rod 40, which is inserted into the water inlet hole 311 and abuts against the water stop member 51. When the filter element 20 is installed 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. When the push rod 40 moves, it can push the water stop member 51 to move, so that the water stop member 51 remains in the open position, and the water stop member 51 can open the water inlet hole 311.

[0119] In all three examples described above, water stop 51 can open water inlet 311. After water stop 51 opens water inlet 311, water from water inlet channel 11 can flow through water inlet 311 into water channel 76. Water in water channel 76 can then flow to filter screen 74, which can filter out most of the sediment and suspended matter in the water. Water filtered by filter screen 74 can then flow through water mesh 72 into filter cavity 75. The filter material in filter cavity 75 can then filter the water to remove impurities. The water pressure in filter cavity 75 is greater than the pressure in one-way valve 541, which opens water outlet 312. Water in the central channel can then flow through water outlet 312 into water outlet channel 12. Thus, filter element 20 completes water filtration, improving water quality.

[0120] When the filter element 20 is removed from the filter element mounting seat 10, the rebound force of the elastic member 52 pushes the water stop member 51 to move so that the water stop member 51 remains in the closed position, and the water stop member 51 can close the water inlet hole 311; the water pressure in the filter material chamber 75 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 hole 312 to seal the water in the filter element 20 in the filter element 20, which can prevent the water in the filter element 20 from flowing out from the water inlet hole 311 and the water outlet hole 312, thereby improving the user experience.

[0121] According to some embodiments of the present disclosure, referring to Figures 5-6, 11-12, 17-18, 21, and 24, the filter element 20 further includes a second filter cartridge 80. For example, a limiting structure 321 is provided on the bottom wall of the lower housing 32. The limiting structure 321 is used to limit the relative position of the second filter cartridge 80, thereby improving the structural stability of the second filter cartridge 80. The second filter cartridge 80 includes a filter material receiving chamber 83 filled with filter material. The second filter cartridge 80 includes a filter material exchange hole 821. A water flow channel 84 is defined between the second filter cartridge 80 and the housing 30. One end of the water flow channel 84 communicates with the water inlet channel 11 through the water inlet hole 311, and the other end of the water flow channel 84 communicates with the water outlet channel 12 through the water outlet hole 312. The water flow channel 84 and the filter material receiving chamber 83 are connected through the filter material exchange hole 821.

[0122] For example, the filter material can be based on sugar, wax, etc., and added with solutes with special odors, such as lavender, lemon, etc., to improve the user's bathing comfort, or added with hyaluronic acid and other substances that can replenish water, or added with ascorbic acid and other substances that can remove residual chlorine in the water.

[0123] With specific reference to Figures 5, 11, and 17, the arrows in the figures indicate the direction of water flow. When the filter element 20 is in use, water from the water inlet channel 11 can flow into the water flow channel 84 through the water inlet hole 311. Some of the water in the water flow channel 84 can flow into the filter material holding chamber 83 through the filter material exchange hole 821, causing the filter material in the filter material holding chamber 83 to be slowly released and dissolved. The water in the filter material holding chamber 83 can then carry the slowly released filter material out of the filter material holding chamber 83, where it can flow into the water outlet channel 12 through the water outlet hole 312. Another portion of the water in the water flow channel 84 can flow directly into the water outlet channel 12 through the water outlet hole 312. Thus, the filter material in the filter element 20 can be slowly released into the water, meeting the user's usage needs.

[0124] The following describes a filter element 20 and a filter element assembly 100 having the same according to an embodiment of the present disclosure with reference to Figures 5-6, 11-12, 17-18, 21, and 24.

[0125] The filter element assembly 100 includes a filter element mounting seat 10 and a filter element 20 . The filter element mounting seat 10 has a water inlet flow channel 11 and a water outlet flow channel 12 . The filter element 20 is detachably connected to the filter element mounting seat 10 .

[0126] The filter element assembly 100 includes a filter element mounting seat 10 and a filter element 20. The filter element mounting seat 10 has an inlet flow channel 11 and an outlet flow channel 12. The filter element 20 is detachably connected to the filter element mounting seat 10. The filter element 20 includes an upper shell 31, a lower shell 32, a water stop 51, an elastic member 52, a positioning member 53, and a second filter material box 80. The upper shell 31 and the lower shell 32 can be threadedly connected to form the shell 30. The water stop 51, the elastic member 52, the positioning member 53, and the second filter material box 80 are all disposed within the shell 30. The bottom wall of the lower shell 32 is provided with multiple limiting structures 321. One end of the second filter material box 80 is disposed within the limiting structures 321. The limiting structures 321 are used to ensure that the second filter material box 80 is coaxial with the upper shell 31 and the lower shell 32. The second filter material box 80 includes a second material barrel 81 and a material cover 82 . The end of the second material barrel 81 has an opening 811 . The material cover 82 is disposed on the opening 811 . The material cover 82 is provided with a filter material exchange hole 821 .

[0127] The inner circumferential wall of the upper housing 31 is provided with a positioning protrusion 313, on which the positioning member 53 is located, thereby securing the position of the positioning member 53. A mounting groove 511 is provided on the end of the water stop 51 proximal to the elastic member 52, and a first flange 531 is provided on the end of the positioning member 53 proximal to the elastic member 52. One end of the elastic member 52 is positioned within the mounting groove 511, while the other end of the elastic member 52 is positioned within the first flange 531, ensuring radial stability of the water stop 51 and the elastic member 52.

[0128] The upper housing 31 has a water inlet 311 and a water outlet 312. The second filter cartridge 80 has a filter material holding chamber 83 therein. A water flow channel 84 is defined between the second filter cartridge 80 and the housing 30. One end of the water flow channel 84 communicates with the water inlet channel 11 via the water inlet 311, and the other end of the water flow channel 84 communicates with the water outlet channel 12 via the water outlet 312. The water flow channel 84 and the filter material holding chamber 83 are connected via a filter material exchange hole 821. The water stop 51 can open or close the water inlet 311. A one-way valve 541 is provided between the water flow channel 84 and the water outlet 312. When the water pressure within the water flow channel 84 exceeds the pressure of the one-way valve 541, the one-way valve 541 opens the water outlet 312.

[0129] In a specific example, referring to Figures 5-6, when the filter element 20 is in use, the water in the water inlet channel 11 can push the water stop 51 to move, and the thrust exerted on the water stop 51 can overcome the elastic force of the elastic member 52, so that the water stop 51 remains in the open position, and the water stop 51 can open the water inlet hole 311.

[0130] In another specific example, referring to Figures 11-12, the filter element mounting seat 10 also includes a mounting seat body 13 and a push rod 14. The mounting seat body 13 is formed with a water inlet channel 11. The mounting seat body 13 is detachably connected to the filter element 20. When the filter element 20 is installed on the mounting seat body 13, the push rod 14 can push the water stop member 51 to move. When the water stop member 51 moves, it can overcome the elastic force of the elastic member 52 so that the water stop member 51 remains in the open position, and the water stop member 51 can open the water inlet hole 311.

[0131] In another specific example, referring to Figures 17-18, the filter element 20 also includes a push rod 40, which is inserted into the water inlet hole 311 and abuts against the water stop member 51. When the filter element 20 is installed 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. When the push rod 40 moves, it can push the water stop member 51 to move, so that the water stop member 51 remains in the open position, and the water stop member 51 can open the water inlet hole 311.

[0132] In the above three examples, the water stop 51 can open the water inlet hole 311. After the water stop 51 opens the water inlet hole 311, the water in the water inlet channel 11 can flow into the water flow channel 84 through the water inlet hole 311. Some of the water in the water flow channel 84 can flow into the filter material holding chamber 83 through the filter material exchange hole 821, causing the filter material in the filter material holding chamber 83 to slowly release and dissolve. The water in the filter material holding chamber 83 can bring the slowly released filter material out of the filter material holding chamber 83. 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 this part of the water can flow into the water outlet channel 12 through the water outlet hole 312; another part of the water in the water flow channel 84 can directly flow into the water outlet channel 12 through the water outlet hole 312. In this way, the filter material in the filter element 20 can be slowly released in the water, meeting the user's usage needs.

[0133] When the filter element 20 is removed from the filter element mounting seat 10, the rebound force of the elastic member 52 pushes the water stop member 51 to move so that the water stop member 51 remains in the closed position, and the water stop member 51 can close the water inlet hole 311; the water pressure in the water flow channel 84 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 hole 312 to seal the water in the filter element 20 in the filter element 20, preventing the water in the filter element 20 from flowing out from the water inlet hole 311 and the water outlet hole 312, which can improve the user experience.

[0134] The water purification device according to the second embodiment of the present disclosure includes the filter element assembly 100 according to the first embodiment of the present disclosure.

[0135] According to the water purification device of the embodiment of the present disclosure, by setting the above-mentioned filter element assembly 100, the water in the filter element 20 can be sealed in the filter element 20 when the filter element 20 is replaced, preventing the water in the filter element 20 from spilling out from the water inlet hole 311, thereby improving the user's usage experience and reducing the user's labor.

[0136] The water heater 90 according to the third embodiment of the present disclosure includes the water purification device according to the second embodiment of the present disclosure.

[0137] According to the water heater 90 of the embodiment of the present disclosure, by providing the above-mentioned water purification equipment, the water in the filter element 20 can be sealed in the filter element 20 when the filter element 20 is replaced, preventing the water in the filter element 20 from spilling out from the water inlet hole 311, thereby improving the user's usage experience and reducing the user's workload.

[0138] In some specific examples, referring to Figures 28 and 29, the arrows in the figures indicate the direction of water flow, and the water heater 90 includes a housing 91 and an inner tank 92. The inner tank 92 is disposed within the housing 91, and the filter element assembly 100 is disposed within and / or outside the housing 91. In other words, the filter element assembly 100 may be disposed within the housing 91, the filter element assembly 100 may be disposed within the housing 91, or the filter element assembly 100 may be disposed within and outside the housing 91.

[0139] When the filter element assembly 100 is arranged in the outer shell 91, the filter element assembly 100 does not need to occupy the external layout space, and the outer shell can provide protection for the filter element assembly 100, reducing the probability of the filter element assembly 100 being damaged by the outside. When the filter element assembly 100 is arranged outside the outer shell 91, it is convenient to replace or repair the filter element 20.

[0140] The water heater 90 also includes a water inlet pipe 93 and a water outlet pipe 94, and the filter element assembly 100 is connected in series to the water inlet pipe 93 and / or the water outlet pipe 94. That is, the filter element assembly 100 can be connected in series to the water inlet pipe 93, the filter element assembly 100 can be connected in series to the water outlet pipe 94, or the filter element assembly 100 can be connected in series to 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 is connected in series to the water inlet pipe 93, and the post-filter element 96 is connected in series to the water outlet pipe 94. The filter element 20 according to the first aspect embodiment of the present disclosure and the filter element 20 according to the second aspect embodiment of the present disclosure may be the pre-filter element 95, and the filter element 20 according to the third aspect embodiment of the present disclosure may be the post-filter element 96.

[0141] When the filter element assembly 100 is connected in series to the water inlet pipe 93, the upstream end of the water flow of the water inlet pipe 93 is connected to the water inlet channel 11 of the filter element mounting seat 10, and the outlet channel 12 of the filter element mounting seat 10 is connected to the downstream end of the water flow of the water inlet pipe 93. In this way, the water flow of the water inlet pipe 93 flows from the water inlet channel 11 into the filter element 20, and after being filtered by the filter element 20, the water flows from the water outlet channel 12 into the downstream of the water inlet pipe 93.

[0142] 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 connected to 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 connected to the downstream end of the water flow of the water outlet pipe 94. In this way, the water flow of the water outlet pipe 94 flows from the water inlet channel 11 into the filter element 20, and after being filtered by the filter element 20, the water flows from the water outlet channel 12 into the downstream of the water outlet pipe 94.

[0143] When the filter element assembly 100 is connected in series to the water inlet pipe 93, the water quality of the water flowing into the water heater 90 can be improved, thereby improving the water quality of the water flowing out of the water heater 90 and increasing the service life of the water heater 90; when the filter element assembly 100 is connected in series to the water outlet pipe 94, a sustained-release substance beneficial to the skin can be added to the filter element 20 to meet the user's usage needs.

[0144] In the description of the present disclosure, the term "plurality" refers to two or more, unless otherwise expressly defined, and the orientation or positional relationship indicated by the terms "upper" and "lower" are orientations or positional relationships based on the drawings, and are only for the convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present disclosure; the terms "connection", "installation", "fixed", etc. should be understood in a broad sense, for example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present disclosure can be understood according to the specific circumstances.

[0145] In the description of this disclosure, the terms "one embodiment," "some embodiments," "specific embodiments," etc., mean that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of this disclosure. In this disclosure, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0146] The above are merely preferred embodiments of the present disclosure and are not intended to limit the present disclosure. Those skilled in the art will readily appreciate that various modifications and variations of the present disclosure are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present disclosure shall be included within the scope of protection of the present disclosure.

Claims

1. A filter element assembly, wherein: include: A filter element mounting seat, wherein the filter element mounting seat has a water inlet flow channel; A filter element, wherein the filter element is detachably connected to the filter element mounting seat, and the filter element comprises: A shell, wherein the shell has a water inlet hole, and the water inlet hole is communicated with the water inlet channel; A water stop member, the water stop member is arranged in the housing and located at the water inlet hole, the water stop member has an open position for opening the water inlet hole and a closed position for closing the water inlet hole; A positioning member and an elastic member, wherein the positioning member is arranged in the shell and fixed to the shell, the elastic member is connected between the positioning member and the water stop member, and the elastic member is used to keep the water stop member in the closed position.

2. The filter element assembly according to claim 1, wherein: The filter element mounting seat includes a mounting seat body and a push rod, the mounting seat body forms the water inlet channel, the mounting seat body is detachably connected to the filter element, one end of the push rod is connected to the mounting seat body, and the other end of the push rod passes through the water inlet hole and extends into the shell to push the water stop member to open the water inlet hole.

3. The filter element assembly according to claim 2, wherein: The mounting seat body and the ejector rod are integrally formed.

4. The filter element assembly according to any one of claims 1 to 3, wherein: The filter element includes: a push rod, which is inserted into the water inlet hole and cooperates with the clearance of the peripheral wall of the water inlet hole, one end of the push rod abuts against the water stop member and the other end extends out of the shell, and when the filter element is connected to the filter element mounting seat, the filter element mounting seat abuts against the push rod and pushes the water stop member through the push rod to open the water inlet hole.

5. The filter element assembly according to claim 4, wherein: The push rod includes a rod body and a positioning boss. The positioning boss is arranged at one end of the rod body facing the water stop member. The housing is provided with a positioning groove matched with the positioning boss.

6. The filter element assembly according to any one of claims 1 to 5, wherein: The filter element mounting seat also has a water outlet channel, the shell also has a water outlet hole, the water outlet hole is connected to the water outlet channel, and the filter element also includes: a water outlet valve, the water outlet valve is arranged at the water outlet hole position for opening or closing the water outlet hole.

7. The filter element assembly according to claim 6, wherein: The water outlet valve is a one-way valve, and the one-way valve is configured to open the water outlet hole when the pressure in the housing reaches a preset pressure.

8. The filter element assembly according to any one of claims 1 to 7, wherein: The filter element mounting seat further comprises a water outlet channel, the housing further comprises a water outlet hole, the water outlet hole is communicated with the water outlet channel, and the filter element further comprises: A central tube, the central tube is arranged in the shell, and a water hole is formed on the peripheral wall of the central tube; A filter material cover is arranged in the housing and is located on a side of the central tube facing the water inlet hole. The material cover, the outer wall surface of the central tube and the inner wall surface of the shell cooperate to define a filter material space, the filter material space is filled with filter material, the inner side of the central tube defines a central channel, the filter material space is connected with the water inlet channel through the water inlet hole, the central channel is connected with the water outlet channel through the water outlet hole, and the filter material space and the central channel are connected through the water hole.

9. The filter element assembly according to claim 8, wherein: A through hole penetrating the filter material cover is formed on the filter material cover, and the filter element further includes a filter screen, which is arranged on the filter material cover and covers the through hole.

10. The filter element assembly according to any one of claims 1 to 9, wherein: The filter element mounting seat further comprises a water outlet channel, the housing further comprises a water outlet hole, the water outlet hole is communicated with the water outlet channel, and the filter element further comprises: A first filter material box, wherein the first filter material box has a filter material cavity therein, the filter material cavity is filled with filter material, the peripheral wall of the first filter material box has a water-passing mesh, the outer wall surface of the first filter material box and the inner wall surface of the shell cooperate to define a water guide channel, the water guide channel is connected to the water inlet channel through the water inlet hole, the filter material cavity is connected to the water outlet channel through the water outlet hole, and the filter material cavity and the water guide channel are connected through the water-passing mesh.

11. The filter element assembly according to claim 10, wherein: The first filter material box comprises: A first barrel, wherein the peripheral wall of the first barrel has a filter screen mounting frame; A filter screen is detachably mounted on the filter screen mounting frame.

12. The filter element assembly according to any one of claims 1 to 11, wherein: The filter element mounting seat further comprises a water outlet channel, the housing further comprises a water outlet hole, the water outlet hole is communicated with the water outlet channel, and the filter element further comprises: A second filter material box, wherein the second filter material box has a filter material accommodating cavity, the filter material accommodating cavity is filled with filter material, the second filter material box has a filter material exchange hole, a water flow channel is defined between the second filter material box and the shell, one end of the water flow channel is connected to the water inlet channel through the water inlet hole, the other end of the water flow channel is connected to the water outlet channel through the water outlet hole, and the water flow channel and the filter material accommodating cavity are connected through the filter material exchange hole.

13. A water purification device, wherein: A filter element assembly comprising any one of claims 1-12.

14. A water heater, wherein: Including the water purification equipment described in claim 13.

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