Water purifier

Abstract

The utility model provides a water purifier. The water purifier comprises a filter element bin with a bin opening and a filter assembly. The filter assembly comprises a filter element and a filter seat, the filter seat is arranged in the filter element bin, the filter element is detachably installed on the filter seat through the bin opening, the filter seat can pivot between a containing position and an inclined position around a preset axis, and when the filter seat is located at the containing position, the filter element installed on the filter seat is contained in the filter element bin; and when the filter seat is in the inclined position, at least one part of the filter element mounted on the filter seat extends out of the bin opening. Therefore, especially for the water purifier with a small space of the filter element bin, the filter element seat can be arranged to be pivotable, so that the filter element can be partially or completely exposed from the filter element bin in the process of disassembling and assembling the filter element, and the filter element can be conveniently held. And the filter element is mounted on the filter seat outside the filter element bin, so that the filter element has enough moving space in the extending direction.

Description

Technical Field

[0001] This utility model relates to the field of water treatment technology, specifically to a water purifier. Background Technology

[0002] With the development of the times, people have increasingly higher requirements for drinking water, and water purifiers have been recognized and purchased by most people. Water purifiers can purify water sources such as municipal tap water, thereby providing users with high-quality purified water.

[0003] Filter cartridges are the core component of water purifiers. Filter cartridges can include PP cotton filters, activated carbon filters, nanofiltration filters, and reverse osmosis filters, among others. These cartridges can filter harmful substances from the raw water. However, with prolonged use, the filtration efficiency of the cartridges decreases due to the effects of contaminants and their own aging. Therefore, filter cartridges need to be replaced regularly.

[0004] Filter cartridges can be installed on filter holders using methods such as screw-on or straight-insertion. Taking a straight-insertion filter cartridge as an example, the water inlet is located at one end of the cartridge along its extension direction. Users need to insert or remove the cartridge from the holder along its extension direction. Since filter cartridges are typically installed inside the water purifier, there may not be enough space around the cartridge to insert fingers when removing it, and there may not be enough space to remove the cartridge from the purifier after detaching it from the holder. Utility Model Content

[0005] To at least partially address the problems existing in the prior art, some embodiments of this utility model provide a water purifier, including: a filter cartridge compartment having a compartment opening; and a filter assembly including a filter cartridge and a filter base, the filter base being disposed in the filter cartridge compartment, the filter cartridge being detachably installed to the filter base through the compartment opening, the filter base being pivotable about a predetermined axis between a retracted position and an inclined position, wherein: when the filter base is in the retracted position, the filter cartridge installed on the filter base is housed in the filter cartridge compartment; and when the filter base is in the inclined position, at least a portion of the filter cartridge installed on the filter base extends beyond the compartment opening. Therefore, especially for water purifiers with limited filter cartridge compartment space, by making the filter base pivotable, the filter cartridge can be partially or completely exposed from the filter cartridge compartment during the removal and installation of the filter cartridge, thus facilitating the gripping of the filter cartridge. Furthermore, installing the filter cartridge to the filter base outside the filter cartridge compartment allows sufficient space for the filter cartridge to move along its extension direction. For water purifiers where the total length of the filter cartridge is greater than that of the filter cartridge compartment before it is installed in place on the filter holder, the filter cartridge can be installed outside the filter cartridge compartment onto the filter holder using the method described above. After installation, the filter cartridge and filter holder can be housed in the filter cartridge compartment.

[0006] For example, the filter cartridge compartment has a rear wall opposite to the compartment opening, and when the filter cartridge is installed in the filter holder, a predetermined axis is located between the center line of the filter cartridge and the rear wall of the compartment.

[0007] For example, the filter element has a filter element water inlet, and the filter holder has a filter holder water inlet. The filter holder water inlet is connected to the filter element water inlet when the filter element is installed in place. In this way, when replacing the filter element, the water circuit connection is completed after the filter element is installed into the filter holder, without the need for manual connection by the user, which reduces the difficulty of replacing the filter element and avoids incorrect pipeline connection.

[0008] For example, the filter base's water inlet is connected to the water system components of the water purifier via a flexible hose. These components include one or more of a raw water inlet, a purified water outlet, a control valve, and a pump. Using a flexible hose ensures reliable connection while reducing costs.

[0009] For example, the filter cartridge compartment has a pivot hole in its wall, and the filter holder includes a pivot shaft extending along a predetermined axis. The pivot shaft is inserted into the pivot hole, and a fastener is connected to the end of the pivot shaft. The fastener is located outside the filter cartridge compartment and abuts against the outer surface of the compartment wall. This allows for a low-cost pivotal fit between the filter holder and the filter cartridge compartment. The pivot shaft can be secured to the filter cartridge compartment, for example, by a fastener with a nut larger than the pivot hole, or by a washer larger than the pivot hole engaging with the fastener. This prevents the pivot shaft from detaching from the pivot hole and causing the filter holder to fall off.

[0010] For example, the edge of the pivot hole is provided with a flange extending outward toward the filter cartridge compartment, and the pivot shaft is supported on the flange. By forming the flange at the pivot hole through stamping or other processes, it is possible to prevent the relatively sharp edge from damaging the pivot shaft under vibration, or to prevent uneven force at the pivot hole from causing the pivot shaft to tear the filter cartridge compartment wall at the pivot hole.

[0011] For example, the filter element has a first end and a second end opposite to each other. The first end is detachably connected to the filter base. The water purifier also includes a limiting clamp that is pivotable between a limited position and a released position. Specifically: when the limiting clamp is in the limited position and the filter base is in the retracted position, the second end of the filter element mounted on the filter base is confined within the filter element compartment; when the limiting clamp is in the released position, the second end of the filter element mounted on the filter base is released. The limiting clamp moves between the limited position and the released position by pivoting, resulting in a relatively simple structure. Furthermore, by holding the filter base with the filter element installed in the retracted position using the limiting clamp, it is possible to prevent the filter element and filter base from shaking inside the water purifier when subjected to vibration, thus preventing damage to the filter element and filter base and slowing down the aging of water connection components such as hoses.

[0012] For example, the filter holder is located at the bottom of the filter cartridge compartment, and the lower end of the filter cartridge is detachably mounted to the filter holder. Positioning the filter holder at the bottom of the filter cartridge compartment is a prerequisite for allowing the filter holder to move to an inclined position under gravity. When replacing the filter cartridge, water may remain in the filter cartridge and filter holder. The filter holder has a receiving space to accommodate the lower end of the filter cartridge, which can catch any residual water in the filter holder and filter cartridge. Therefore, mounting the lower end of the filter cartridge to the filter holder prevents a large amount of residual water from spilling from a higher position.

[0013] For example, with the filter holder in an inclined position, the lower edge of the portion of the filter holder near the compartment opening is supported on the bottom wall of the filter cartridge compartment. This prevents the filter cartridge from tilting from vertical to horizontal, effectively avoiding accidental breakage. Supporting the filter cartridge with a filter holder results in a simple structure and reduces costs.

[0014] For example, at least a portion of the filter element is provided with a handle. The handle facilitates the user's removal of the filter element from the filter holder. When the filter element is installed to the filter holder by a screw-on mechanism, rotating the filter element with the handle as a point of leverage during installation and removal makes the process even more convenient.

[0015] For example, the water purifier also includes a rear shell and a front door, the front door being closable to the rear shell. The filter cartridge compartment is disposed inside the rear shell with its opening facing the front door, and the opening can be closed by the front door. In cases where no retaining clamp is included, the front door can limit the filter cartridge, keeping the filter cartridge and filter holder in their retracted position. In cases where the water purifier includes a retaining clamp, closing the compartment opening via the front door prevents the filter cartridge from tipping over in the event of clamp failure.

[0016] For example, the water purifier is a built-in water purifier. Using the above-described method to secure the filter cartridge facilitates its installation and removal. Furthermore, this installation method allows for filter cartridge replacement with only the front door open, without needing to remove it from its housing.

[0017] This utility model description introduces a series of simplified concepts, which will be further explained in detail in the detailed description section. This utility model description is not intended to limit the key features and essential technical features of the claimed technical solution, nor is it intended to determine the scope of protection of the claimed technical solution.

[0018] The advantages and features of this utility model will be described in detail below with reference to the accompanying drawings. Attached Figure Description

[0019] The following drawings, which are incorporated herein by reference as part of this invention, are provided for understanding the invention. The drawings illustrate embodiments of the invention and their descriptions, serving to explain the principles of the invention. In the drawings,

[0020] Figure 1 This is a perspective view of a water purifier according to an exemplary embodiment of the present invention, wherein the front door is in the open state;

[0021] Figure 2 According to Figure 1 A perspective view of the water purifier of the embodiment shown, wherein the filter base is in an inclined position;

[0022] Figure 3 According to Figure 1 A perspective view of a water purifier according to the embodiment shown, wherein the filter element and the filter base are separate;

[0023] Figure 4A According to Figure 1 The illustrated embodiment shows a perspective view of the filter cartridge compartment, filter assembly, and limiting clamp of the water purifier, wherein part of the compartment wall is hidden.

[0024] Figure 4B for Figure 4A A top view of the filter compartment and filter assembly of the water purifier in the illustrated embodiment;

[0025] Figure 4C This is a top view of the filter compartment and filter assembly of a water purifier according to another exemplary embodiment of this application;

[0026] Figure 5 According to Figure 1 The illustrated embodiment shows a perspective view of the filter cartridge compartment, filter base, and limiting clamp of the water purifier.

[0027] Figure 6 This is a perspective view of a water purifier according to an exemplary embodiment of the present invention, wherein the front door is in a closed state.

[0028] The above figures include the following reference numerals:

[0029] 100. Filter cartridge compartment; 110. Compartment opening; 120. Pivot hole; 121. Flange; 130. Rear wall of compartment; 200. Filter assembly; 210. Filter cartridge; 211. First filter cartridge; 212. Second filter cartridge; 213. Filter cartridge water inlet; 214. First end; 215. Second end; 216. Handle; 220. Filter base; 221. Pivot shaft; 222. Lower edge; 300. Housing assembly; 310. Rear shell; 320. Front door; 400. Limiting clamp; 410. Clamp pivot shaft; 420. Protrusion. Detailed Implementation

[0030] In the following description, numerous details are provided to enable a thorough understanding of the present invention. However, those skilled in the art will appreciate that the following description merely illustrates preferred embodiments of the present invention, which may be practiced without one or more of these details. Furthermore, to avoid confusion with the present invention, some technical features well-known in the art have not been described in detail.

[0031] To fully understand the embodiments of this utility model, a detailed structure will be presented in the following description. Obviously, the implementation of the embodiments of this utility model is not limited to the specific details familiar to those skilled in the art. Preferred embodiments of this utility model are described in detail below; however, in addition to these detailed descriptions, this utility model may have other embodiments.

[0032] This utility model provides a water purifier. The water purifier according to an embodiment of this utility model will be described in detail below with reference to the accompanying drawings.

[0033] like Figure 1 As shown, the water purifier may include a filter compartment 100 and a filter assembly 200. The filter compartment 100 may be a semi-enclosed structure constructed of materials such as metal or plastic, and one side of the filter compartment 100 has a compartment opening 110. In some embodiments, the filter compartment 100 may be the housing assembly 300 of the water purifier, and other components of the water purifier may also be disposed within the filter compartment 100. Figure 1 As shown, exemplarily, the filter compartment 100 is disposed within the housing assembly 300, separating the filter assembly 200 from other components of the water purifier. The compartment opening 110 may face the front, back, or side of the water purifier, and in some embodiments, the compartment opening 110 may be provided with a separate baffle. In other embodiments, the compartment opening 110 may be covered by the housing assembly 300 of the water purifier.

[0034] The filter assembly 200 may include a filter element 210. For example... Figure 1 As shown, exemplarily, a water purifier may include a first filter element 211 and a second filter element 212. Taking the first filter element 211 and the second filter element 212 as a pre-filter and a central filter element, respectively, the pre-filter element may be a composite filter element, located before the central filter element, used to perform preliminary filtration of the water entering the central filter element to extend the service life of the central filter element. The central filter element may include a reverse osmosis filter element, an ultrafiltration filter element, a nanofiltration filter element, or a filter element composed of any two or more of them. For reverse osmosis and nanofiltration filter elements, the water needs to be pressurized before entering the filter element; in this case, the water purifier may also include a booster pump.

[0035] The filter assembly 200 may further include a filter holder 220. The filter holder 220 may be disposed within the filter cartridge compartment 100, and the filter element 210 may be detachably mounted to the filter holder 220 via the compartment opening 110. (Matching reference) Figure 1 and Figure 2 The filter holder 220 is pivotable about a predetermined axis between a retracted position and an inclined position, wherein: when the filter holder 220 is in the retracted position, the filter element 210 mounted on the filter holder 220 is housed in the filter element compartment 100, and when the filter holder 220 is in the inclined position, at least a portion of the filter element 210 mounted on the filter holder 220 extends out of the compartment opening 110.

[0036] like Figure 3As shown, filter element 210 may have a filter element water inlet 213. For pre-filters and central filters that do not include reverse osmosis or nanofiltration filters, the filter element water inlet 213 may only include an inlet and an outlet. For central filters that include reverse osmosis and / or nanofiltration filters, since both will produce a certain proportion of concentrate during operation, the filter element water inlet 213 also includes a concentrate outlet. In some embodiments, filter base 220 may only serve to fix filter element 210 without connecting it to the water system. In one specific embodiment, filter element water inlet 213 may first be connected to other water system components in the water purifier via a pipeline, and then filter element 210 may be fixed to filter base 220 by screwing or inserting. The water system components in the water purifier may include one or more of the following: raw water inlet, purified water outlet, control valve, and pump. During the installation of filter element 210 to filter base 220, filter base 220 is in an inclined position. This eliminates the need for the user to reach into the gap between the filter cartridge compartment 100 and the filter cartridge 210 to hold it. The portion of the filter cartridge 210 extending out of the compartment opening 110 provides a point of leverage, facilitating installation. After the filter cartridge 210 is installed, the filter holder 220 can be pushed to the retracted position, thus closing the compartment opening 110. In another embodiment, the filter holder 220 also serves only a fixing function, but when the filter holder 220 is in the retracted position, the filter cartridge water inlet 213 can be aligned with the water inlet below the filter holder 220 and pressure can be applied, thereby connecting the filter cartridge water inlet 213 to other water circuit components within the water purifier. In yet another embodiment, the filter holder 220 may have a water circuit structure, providing connection between the filter cartridge 210 and other water circuit components within the water purifier. In some embodiments, the pivoting of the filter holder 220 may have a certain resistance, requiring a certain external force to move the filter holder 220 between the retracted position and the tilted position. In other embodiments, the filter holder 220 requires only a small force to pivot, with the filter element 210 and the filter holder 220 being limited by the inner wall of the water purifier and the obstruction provided in the compartment opening 110. In some embodiments, the filter holder 220 can pivot between 30 and 60 degrees. In some embodiments, when the filter holder 220 is in the tilted position, both the filter holder 220 and all filter elements 210 can extend out of the compartment opening 110. In still other embodiments, the filter holder 220 can even pivot 90 degrees.

[0037] Therefore, especially for water purifiers with a small filter cartridge compartment 100, the filter base 220 can be made pivotable, allowing the filter element 210 to be partially or completely exposed from the filter cartridge compartment 100 during disassembly and installation, thus facilitating its handling. Furthermore, installing the filter element 210 onto the filter base 220 outside the filter cartridge compartment 100 allows for sufficient movement along its extension direction. For water purifiers where the total length of the filter element 210 is greater than that of the filter cartridge compartment 100 before it is properly installed on the filter base 220, the filter element 210 can be installed onto the filter base 220 outside the filter cartridge compartment 100 using the above method, and after installation, both the filter element 210 and the filter base 220 can be accommodated within the filter cartridge compartment 100.

[0038] Continue to refer to Figure 3 For example, the filter holder 220 has a filter holder water inlet, which connects to the filter element water inlet 213 when the filter element 210 is installed in place. The filter holder water inlet and the filter element water inlet 213 can correspond one-to-one, and the filter element water inlet 213 can be pre-connected to the water circuit components in the water purifier. Thus, when replacing the filter element 210, the water circuit connection is completed simply by installing the filter element 210 into the filter holder 220, eliminating the need for manual connection by the user, reducing the difficulty of replacing the filter element 210, and avoiding incorrect pipe connections.

[0039] For example, the filter cartridge compartment has a rear wall opposite to the compartment opening, and when the filter cartridge is installed in the filter holder 220, the predetermined axis is located between the center line of the filter cartridge and the rear wall of the compartment.

[0040] Since the second filter element 212 is heavier than the filter base 220, after being installed in the filter base 220, the center of gravity of the filter assembly is approximately located on the center line of the second filter element 212. Regardless of whether the predetermined axis is parallel to the rear wall of the chamber, as long as it is located between the center line of the second filter element 212 and the rear wall of the chamber, the filter assembly will tend to tilt towards the chamber opening 110 because its center of gravity is away from the rear wall of the chamber.

[0041] Specifically, such as Figure 4A As shown, the pivot shaft 221 can be eccentrically set. (Refer to reference...) Figure 4B and Figure 4C The figure shows the installation of filter components in filter cartridge compartment 100 according to several exemplary embodiments. Taking the second filter cartridge 212 as an example, the center of gravity of the second filter cartridge 212 is approximately located at point P in the figure, and the predetermined axis of the filter base 220 is QQ. Figure 4B In the illustrated embodiment, the predetermined axis QQ is substantially parallel to the rear wall 130 of the chamber. The distance between the center of gravity P of the second filter element 212 and the rear wall 130 is D1, and the distance between the first point R and the rear wall 130 is D2, where D1 is greater than D2. Figure 4CIn the illustrated embodiment, the predetermined axis Q'-Q' of the filter holder 220' may not be parallel to the rear wall 130' of the chamber. The distance between the center of gravity of the filter element 212' and the rear wall 130' is D1', and the distance between the first point R' and the rear wall 130' is D2', where D1' is greater than D2'. Not shown, the predetermined axis QQ may also be higher at one end and lower at the other in the lateral direction. In either case, the position of the center of gravity P allows the second filter element 212 to tend to pivot toward the chamber opening 110. The first filter element 211 and the second filter element 212 can be arranged similarly. In another embodiment, the filter element 210 may not be centrally located on the filter holder 220. In yet another embodiment, a counterweight may be provided on the filter element 210 and / or the filter holder 220. The filter holder 220 in these embodiments exhibits less resistance during pivoting. In summary, the filter assembly 200 can reach the tilted position under its own weight without requiring the user to manually move it to the tilted position.

[0042] For example, the filter holder 220 is disposed at the lower part of the filter cartridge compartment 100, and the lower end of the filter element 210 is detachably mounted to the filter holder 220. Disposing of the filter holder 220 at the lower part of the filter cartridge compartment 100 is a prerequisite for the filter holder 220 to move to an inclined position under gravity. When replacing the filter element 210, water may remain in the filter element 210 and the filter holder 220. Figure 3 In the illustrated embodiment, the filter base 220 has a receiving space to accommodate the lower end of the filter element 210, which can hold residual water in the filter base 220 and the filter element 210. Thus, installing the lower end of the filter element 210 to the filter base 220 can prevent a large amount of residual water from spilling from a higher position.

[0043] For example, the filter cartridge's water inlet is connected to the water circuit components of the water purifier via a flexible hose (not shown). Compared to embodiments that achieve water circuit connections through complex structures such as pivotable connectors, using a flexible hose ensures connection reliability while reducing costs. The hose may include PVC pipes, PE pipes, etc., wherein at least the pipe connecting to the filter cartridge's purified water outlet can be made of food-grade hose.

[0044] As shown in Figure 4, exemplarily, the filter element 210 has a first end 214 and a second end 215 opposite to each other, the first end 214 being detachably connected to the filter base 220. The water purifier also includes a limiting clamp 400, which is pivotable between a limiting position and a releasing position, wherein: when the limiting clamp 400 is in the limiting position and the filter base 220 is in the retracted position, the second end 215 of the filter element 210 mounted on the filter base 220 is confined within the filter element compartment 100; when the limiting clamp 400 is in the releasing position, the second end 215 of the filter element 210 mounted on the filter base 220 is released.

[0045] As shown in the figure, the limiting clamp 400 can be made of plastic injection molding, with clamp pivot shafts 410 on both sides. The clamp pivot shafts 410 can be inserted into the inner wall of the filter cartridge compartment 100 for pivoting. In embodiments not shown, the limiting clamp 400 can also be made of metal or other materials. In some embodiments, the limiting clamp 400 can also pivot via a hinge or other structure. The limiting clamp 400 may also include a protrusion 420 for easy user operation. The limiting clamp 400 can only prevent the filter seat 220, on which the filter element 210 is mounted, from pivoting to an inclined position. The limiting of the filter seat 220 pivoting toward the storage position can be achieved through the inner wall of the filter cartridge compartment 100. When the limiting clamp 400 is in the limiting position, the filter element 210 and the filter seat 220 can pivot slightly, thereby avoiding overfitting that would prevent the limiting clamp 400 from being fitted onto the second end 215 of the filter element 210. The limiting clamp 400 moves between a limiting position and a releasing position by pivoting, and its structure is relatively simple. Furthermore, by using the limiting clamp 400 to hold the filter holder 220, on which the filter element 210 is installed, in the stored position, it can prevent the filter element 210 and filter holder 220 from shaking inside the water purifier when subjected to vibration, thus preventing damage to the filter element 210 and filter holder 220, and slowing down the aging of water circuit connectors such as hoses.

[0046] For example, the filter cartridge compartment 100 has a pivot hole 120 on its wall, and the filter base 220 includes a pivot shaft 221 extending along a predetermined axis, the pivot shaft 221 being inserted into the pivot hole 120. A fastener is connected to the end of the pivot shaft 221, the fastener being located outside the filter cartridge compartment 100 and abutting against the outer surface of the compartment wall of the filter cartridge compartment 100. Refer to FIG4 and... Figure 5 In the embodiment shown in the figure, the filter holder 220 can be made of plastic. Therefore, the protruding pivot shaft 221 can be easily formed on the surface by injection molding. The filter cartridge compartment 100 can be a metal plate processed using sheet metal technology, and it is relatively simple to process the pivot hole 120 on its surface. Thus, the pivotal engagement between the filter holder 220 and the filter cartridge compartment 100 can be achieved at a lower cost. In some embodiments, the pivot shaft 221 can be fixed to the filter cartridge compartment 100 by, for example, a fastener with a nut larger than the pivot hole 120, or by a washer larger than the pivot hole 120 engaging with the fastener, thereby preventing the pivot shaft 221 from detaching from the pivot hole 120 and causing the filter holder 220 to fall off.

[0047] For example, the edge of the pivot hole 120 is provided with a flange 121 extending outward toward the filter cartridge compartment 100, and the pivot shaft 221 is supported on the flange 121. For cost and weight considerations, the sheet metal part forming the filter cartridge compartment 100 is made of a relatively thin metal sheet. By forming the flange 121 at the pivot hole 120 through stamping or other processes, it is possible to avoid damage to the pivot shaft 221 by the relatively sharp edge under vibration, or to prevent the pivot shaft 221 from tearing the filter cartridge compartment 100 wall at the pivot hole 120 due to uneven force at the pivot hole 120.

[0048] like Figure 3 As shown, exemplarily, when the filter holder 220 is in an inclined position, the lower edge 222 of the portion of the filter holder 220 near the compartment opening 110 can be supported on the bottom wall of the filter cartridge compartment 100. This prevents the filter cartridge 210 from tilting from vertical to horizontal, effectively avoiding accidental damage to the filter cartridge 210. Supported by the filter holder 220, the structure is simple and can reduce costs.

[0049] For example, at least a portion of the filter element 210 is provided with a handle 216. In some embodiments of the water purifier, the filter holder 220 has a small pivot angle. After the filter holder 220 is pivoted to the tilted position, the portion of the filter element 210 protruding from the compartment opening 110 is difficult to hold. Providing the handle 216 facilitates the user in removing the filter element 210 from the filter holder 220. In other embodiments of the water purifier, the filter element 210 is installed to the filter holder 220 by a screw-on mechanism. Rotating the filter element 210 with the handle 216 as a point of leverage during disassembly and installation makes the disassembly and installation of the filter element 210 more convenient.

[0050] Joining reference Figure 1 and Figure 6 Exemplarily, the housing assembly 300 of the water purifier may further include a rear housing 310 and a front door 320, the front door 320 being closably connected to the rear housing 310. Exemplarily, the front door 320 can be opened by pivoting, translating, etc. In one embodiment, a hinge is provided between the front door 320 and the rear housing 310, allowing it to be opened by pivoting. In another embodiment, the front door 320 can be opened by sliding laterally. The figures show only one front door 320; in embodiments not shown, there may be more than one front door, for example, a double-door structure.

[0051] The filter cartridge compartment 100 can be located inside the rear housing 310, with the compartment opening 110 facing the front door 320, which can be closed by the front door 320. The openable front door 320 facilitates routine maintenance and upkeep of the water purifier, such as exposing the compartment opening 110 by opening the front door 320 to replace the filter cartridge 210. Users do not need to remove or pull the water purifier from its housing, reducing workload and decreasing the possibility of tipping over due to instability when the water purifier is pulled out of its housing. In embodiments without the limiting clamp 400, the front door 320 can limit the filter cartridge 210, keeping it and the filter base 220 in the stored position. In the case of the water purifier including the limiting clamp 400, closing the compartment opening 110 by the front door 320 prevents the filter cartridge 210 from tipping over in the event of clamp failure.

[0052] For example, the water purifier is a built-in water purifier. Because the installation space of a built-in water purifier is limited, its internal space is relatively compact. Using the above-described method to fix the filter element 210 facilitates its installation and removal. Furthermore, this installation method allows the filter element 210 to be replaced by simply opening the front door 320, without having to remove it from its housing.

[0053] In the description of this utility model, it should be understood that the directional terms such as "front", "rear", "up", "down", "left", "right", "horizontal", "vertical", "horizontal", "top", and "bottom" indicate the orientation or positional relationship, which are usually based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this utility model. The directional terms "inner" and "outer" refer to the inner and outer contours of each component itself.

[0054] For ease of description, relative terms such as "above," "over," "on the upper surface of," and "above" are used here to describe the regional positional relationship of one or more components or features shown in the figures to other components or features. It should be understood that relative terms include not only the orientation of the component as depicted in the figure but also different orientations during use or operation. For example, if the components in the figures are inverted as a whole, "above" or "above other components or features" will include cases where the component is "below" or "under" other components or features. Thus, the exemplary term "above" can include both "above" and "below." Furthermore, these components or features may also be positioned at other different angles (e.g., rotated 90 degrees or other angles), and this document intends to include all such cases.

[0055] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, parts, components, and / or combinations thereof.

[0056] It should be noted that the terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in sequences other than those illustrated or described herein.

[0057] This utility model has been described through the above embodiments. However, it should be understood that the above embodiments are for illustrative purposes only and are not intended to limit the utility model to the described embodiments. Furthermore, those skilled in the art will understand that this utility model is not limited to the above embodiments, and many more variations and modifications can be made based on the teachings of this utility model, all of which fall within the scope of protection claimed by this utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A water purifier characterized by comprising: The water purifier comprises: a filter cartridge bin having a bin opening; and a filter assembly comprising a filter cartridge and a filter seat, the filter seat being arranged in the filter cartridge bin, the filter cartridge being detachably mounted to the filter seat via the bin opening, the filter seat being pivotable about a predetermined axis between a storage position and an inclined position, wherein: when the filter seat is in the storage position, the filter cartridge mounted on the filter seat is accommodated in the filter cartridge bin; and when the filter seat is in the inclined position, at least a portion of the filter cartridge mounted on the filter seat extends out of the bin opening.

2. The water purifier according to claim 1, characterized in that, The filter cartridge bin has a bin back wall opposite to the bin opening, and the predetermined axis is located between a center line of the filter cartridge and the bin back wall in a state that the filter cartridge is mounted on the filter seat.

3. The water purifier according to claim 1, wherein The filter cartridge has a filter cartridge water passage interface, and the filter seat has a filter seat water passage interface, the filter seat water passage interface being in communication with the filter cartridge water passage interface when the filter cartridge is mounted in place.

4. The water purifier according to claim 3, wherein The filter seat water passage interface is connected with a waterway component of the water purifier through a hose, the waterway component comprising one or more of a raw water inlet, a purified water outlet, a control valve and a pump.

5. The water purifier according to claim 1, wherein A pivot hole is arranged on a bin wall of the filter cartridge bin, the filter seat comprises a pivot shaft extending along the predetermined axis, the pivot shaft being inserted into the pivot hole, an end of the pivot shaft is connected with a fastener, the fastener being located outside the filter cartridge bin and abutting against an outer surface of the bin wall.

6. The water purifier according to claim 5, wherein An edge of the pivot hole is provided with a flange extending towards the outside of the filter cartridge bin, and the pivot shaft is supported on the flange.

7. The water purifier according to any one of claims 1 to 6, characterized in that, The filter cartridge has opposite first and second ends, the first end being detachably connected to the filter seat, The water purifier further comprises a limiting clamp, the limiting clamp being pivotable between a limiting position and a releasing position, wherein: when the limiting clamp is in the limiting position and the filter seat is in the storage position, the second end of the filter cartridge mounted on the filter seat is limited within the filter cartridge bin; and when the limiting clamp is in the releasing position, the second end of the filter cartridge mounted on the filter seat is released.

8. The water purifier according to any one of claims 1 to 6, characterized in that, The filter seat is arranged in a lower portion of the filter cartridge bin, and the lower end of the filter cartridge is detachably mounted to the filter seat.

9. The water purifier according to claim 8, characterized in that, When the filter seat is in the inclined position, a lower edge of a portion of the filter seat close to the bin opening is supported on a bottom wall of the filter cartridge bin.

10. The water purifier according to any one of claims 1 to 6, characterized in that, A handle is arranged on the at least a portion of the filter cartridge.

11. The water purifier according to any one of claims 1-6, wherein: the water purifier further comprises a rear shell and a front door, the front door being openably and closably connected to the rear shell, the filter cartridge bin being arranged in the rear shell and the bin opening facing the front door, the bin opening being closable by the front door; and / or the water purifier is an embedded water purifier.

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