Flip type household water purifier with replaceable filter element

Abstract

The utility model relates to a clamshell type filter element replaceable household water purifier which comprises a box body, a plurality of containing cavities are formed below the upper end of the box body, universal filter elements are correspondingly placed in the containing cavities, a filter element cover plate is hinged to the box body, a plurality of lock hooks are arranged at the side end of the filter element cover plate, and the lock hooks are arranged on the box body. Lock catches matched with the lock hooks are arranged on the side wall of the box body, a plurality of annular pressing blocks are outwards formed on the inner end face of the filter element cover plate, and the annular pressing blocks and the containing cavities are arranged correspondingly; the filter element cover plate covers the upper end of the box body along the hinged end, the annular pressing block is pressed at the upper end of the general filter element, and the lock hook can be matched with the lock catch to lock the filter element cover plate and the box body. According to the scheme, the structure of the box body and the flip type filter element cover plate is adopted, when the universal filter element needs to be disassembled, the lock catch is opened, the filter element cover plate is opened along the hinged end, and the universal filter element can be directly taken out and replaced after the cover plate is not pre-tightened, so that great convenience is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of water purifiers, in particular to a flip-top filter element replacement household water purifier. Background Art

[0002] Currently, the filter cartridge replacement method for water purifiers on the market is to replace the standard filter cartridge by screwing or the disposable type (the filter cartridge and membrane housing are replaced together).

[0003] Screw-type filter replacement: The screw-type filter replacement is cheap, but it requires a special wrench, and the tightness cannot be accurately quantified when replacing the filter element, which can easily cause water leakage due to over-tightening or too loosening.

[0004] Disposable filter element: Disposable filter element is a water purification manufacturer that packages the filter element filter material and membrane shell into a whole. It is easy to replace but expensive. The filter element is a consumable part. Each replacement requires the consumption of the corresponding membrane shell, which wastes energy seriously. Moreover, the shell is made of plastic material, which is a non-renewable energy source. Summary of the invention

[0005] In order to solve the above problems, the purpose of the utility model is to provide a household water purifier with a flip-up filter element replacement. The filter element is pressed by a flip-up structure. When replacing the filter element, it can be replaced by just opening the cover, which is very convenient, reducing the waste of the filter element membrane shell, saving energy, and reducing the risk of water leakage in the water purifier.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0007] A flip-top filter cartridge replaceable household water purifier, characterized in that it comprises a box body, a plurality of accommodating cavities are constructed below the upper end of the box body, universal filter cartridges are placed in the plurality of accommodating cavities accordingly, a filter cartridge cover is hingedly provided on the box body, a plurality of locking hooks are provided at the side end of the filter cartridge cover plate, a locking buckle cooperating with the plurality of locking hooks is provided on the side wall of the box body, a plurality of annular pressing blocks are formed outwardly on the inner end surface of the filter cartridge cover plate, and the plurality of annular pressing blocks are arranged corresponding to the plurality of accommodating cavities; the filter cartridge cover plate is covered on the upper end of the box body along the hinged end cover, the annular pressing block is pressed on the upper end of the universal filter cartridge, and the locking hook can cooperate with the locking buckle to lock the filter cartridge cover plate and the box body.

[0008] Preferably, a covering groove is formed on the inner end surface of the filter element cover, and the plurality of annular pressing blocks are arranged in the covering groove. The periphery of the annular pressing blocks protrudes outward in the covering groove and is provided with a first circle wall and a second circle wall. The upper end of the box body corresponds to the third circle wall and the fourth circle wall at the periphery of the accommodating cavity respectively; the filter element cover is covered on the upper end of the box body along the hinged end, and the first circle wall and the second circle wall are respectively abutted against the third circle wall and the fourth circle wall in the covering groove.

[0009] Preferably, a first annular groove is formed between the third circle wall and the fourth circle wall, a second annular groove is formed between the first circle wall and the second circle wall, a sealing ring is provided in the first annular groove, the upper end of the sealing ring extends out of the first annular groove, the filter element cover is closed on the upper end of the box body along the hinged end cover, and the upper end of the sealing ring extends into the second annular groove.

[0010] Preferably, a power supply is provided on the inner side of the box; a water inlet, a purified water outlet, a wastewater outlet and a water storage barrel interface are provided on the side wall of the box, several universal filter elements, water inlets, purified water outlets, wastewater outlets and water storage barrel interfaces are connected by pipes, and a water pump connected to the pipes is provided on the inner side of the box.

[0011] The utility model adopts the above technical solution, a flip-top filter element replacement household water purifier, which adopts the structure of a box body plus a flip-top filter element cover plate. The box body is used to load the universal filter element. After the filter element cover plate is closed on the box body, it is locked by the lock buckle and the lock hook, so that the annular pressure plate generates a pre-tightening force on the universal filter element to stabilize the universal filter element in the box body. When the universal filter element needs to be removed, open the lock buckle and open the filter element cover plate along the hinged end. After the cover plate is not pre-tightened, the universal filter element can be directly taken out and replaced. It is very convenient and reduces the difficulty of replacing the filter element. There is no need for professional engineers to come to the door for replacement, which saves manpower, and no filter element membrane shell is required, which saves costs and is more environmentally friendly.

[0012] In addition, after the box body and the filter cover are pre-tightened, a sealing ring is clamped and installed to reduce the risk of water leakage in the water purifier.

[0013] It should be noted here that five accommodating chambers are set up in this case to correspond to five universal filter elements, which are benchmarked against the five-stage filter elements of household water purifiers. These five universal filter elements include UF ultrafiltration membrane, RO membrane, NF nanofiltration membrane, PP cotton and activated carbon, among which NF nanofiltration membrane can also be replaced by activated carbon. These five filter elements are placed in the accommodating chamber in corresponding order and are connected to the water inlet, purified water outlet, wastewater outlet and water storage tank interface through pipes to filter the tap water in turn. Various valve accessories are set on the pipeline for control. The pipeline is also connected to a water pump for delivering water to the box. Electrical components such as power supplies and circuit boards are also set in the box.

[0014] First installation of the water purifier: 1. Open the lock and open the filter cover along the hinged end. 2. Prepare the universal filter element and put the filter element into the receiving cavity in the corresponding position sequence. 3. Close the filter cover. 4. Lock the lock hook with the lock, and the sealing ring seals the filter cover and the receiving cavity. 5. Connect the water inlet pipe, waste water pipe, water purifier faucet and power supply. 6. Turn on the water and power, and open the water purifier faucet to get water.

[0015] Replacement of filter element in water purifier: 1. Cut off water supply and power supply, open the water purifier tap to release pressure. 2. Open the lock and open the filter element cover of the water purifier along the hinged end. 3. Remove the filter element to be replaced. 4. Replace the new universal filter element and put it into the receiving cavity according to the corresponding filter element position. 5. Close the filter element cover. 6. Close the lock and seal the filter element cover and the receiving cavity with the sealing ring. 7. Turn on water supply and power supply, open the water purifier tap for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of a flip-top filter replacement household water purifier in the open state.

[0017] Figure 2 This is a structural schematic diagram from another perspective of a flip-top filter replacement household water purifier in the open state.

[0018] Figure 3 This is a schematic diagram of the structure of a flip-top filter cartridge replacement household water purifier in the closed state.

[0019] Figure 4 Schematic diagram of the connection pipe arrangement.

[0020] Figure 5 This is a schematic diagram of the water pump installation. DETAILED DESCRIPTION

[0021] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0022] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention 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 should not be understood as a limitation on the present invention.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "plurality" means two or more, unless otherwise clearly defined.

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature. Embodiment 1:

[0026] like Figures 1 to 3 A flip-top filter-replaceable household water purifier shown in the figure comprises a housing 1, a plurality of accommodating chambers 2 are constructed below the upper end of the housing 1, universal filter cartridges 3 are placed in the plurality of accommodating chambers 2 correspondingly, a filter cartridge cover plate 4 is hingedly provided on the housing 1, a plurality of locking hooks 5 are provided at the side ends of the filter cartridge cover plate 4, a locking buckle 6 cooperating with the plurality of locking hooks 5 is provided on the side wall of the housing 1, a plurality of annular pressing blocks 7 are formed outwardly on the inner end surface of the filter cartridge cover plate 4, and the plurality of annular pressing blocks 7 are arranged correspondingly to the plurality of accommodating chambers 2; the filter cartridge cover plate 4 is covered on the upper end of the housing 1 along the hinged end, the annular pressing block 7 is pressed on the upper end of the universal filter cartridge 3, and the locking hook 5 can cooperate with the locking buckle 6 to lock the filter cartridge cover plate 4 and the housing 1.

[0027] In the above technical solution, a household water purifier with a flip-top filter cartridge replacement adopts a structure of a box body plus a flip-top filter cartridge cover plate. The universal filter cartridge is loaded in the accommodating cavity of the box body. After the filter cartridge cover plate is closed on the box body, it is locked by the lock buckle and the lock hook, so that the annular pressure plate generates a pre-tightening force on the universal filter cartridge to stabilize the universal filter cartridge in the box body. When the universal filter cartridge needs to be removed, open the lock buckle and open the filter cartridge cover plate along the hinged end. After the cover plate is not pre-tightened, the universal filter cartridge can be directly taken out and replaced. It is very convenient and reduces the difficulty of replacing the filter cartridge. There is no need for professional engineers to come to the site for replacement, which saves manpower and does not require a filter cartridge membrane shell, which saves costs and is more environmentally friendly.

[0028] Furthermore, a covering groove 8 is formed on the inner end surface of the filter element cover plate 4, and the plurality of annular pressing blocks 7 are arranged in the covering groove 8. The periphery of the annular pressing blocks 7 protrudes outward in the covering groove 8 and is provided with a first circle wall 9 and a second circle wall 10. The upper end of the box body 1 corresponds to the third circle wall 11 and the fourth circle wall 12 at the periphery of the accommodating chamber 2 respectively; the filter element cover plate 4 is covered on the upper end of the box body 1 along the hinged end, and the first circle wall 9 and the second circle wall 10 are respectively abutted against the third circle wall 11 and the fourth circle wall 12 in the covering groove 8.

[0029] In the above technical solution, the first circle wall 9 and the second circle wall on the cover plate abut against the third circle wall 11 and the fourth circle wall 12 to play a certain sealing role. It should be noted here that the cooperation between the annular pressure plate and the universal filter element can be that the annular pressure plate is just flush with the circle wall on the cover plate, and the upper end of the universal filter element is flush with the circle wall on the box body, and the two just abut. It can also be that the annular pressure plate protrudes from the circle wall and extends into the receiving groove to abut on the universal filter element.

[0030] Furthermore, a first annular groove 13 is formed between the third circle wall 11 and the fourth circle wall 12, a second annular groove 15 is formed between the first circle wall 9 and the second circle wall 10, a sealing ring 14 is arranged in the first annular groove 13, the upper end of the sealing ring 14 extends out of the first annular groove 13, the filter element cover plate 4 is covered on the upper end of the box body 1 along the hinged end, and the upper end of the sealing ring 14 extends into the second annular groove 15. In this technical solution, after the box body and the filter element cover plate are pre-tightened, the first annular groove and the second annular groove are clamped with the sealing ring, which plays a better sealing role and reduces the risk of water leakage in the water purifier.

[0031] Furthermore, a power source is provided inside the box 1; a water inlet 16, a purified water outlet 17, a wastewater outlet 18 and a water storage barrel interface 19 are provided on the side wall of the box 1; a plurality of universal filter elements 3, a water inlet 16, a purified water outlet 17, a wastewater outlet 18 and a water storage barrel interface 19 are connected by pipes; a water pump connected to the pipe is provided inside the box 1. In this case, five accommodating chambers are provided corresponding to five universal filter elements, which are benchmarked against the five-stage filter element of a household water purifier. These five universal filter elements include UF ultrafiltration membrane, RO membrane, NF nanofiltration membrane, PP cotton and activated carbon, wherein the NF nanofiltration membrane can also be replaced by activated carbon. These five filter elements are placed in the accommodating chamber in a corresponding order and are connected to the water inlet, purified water outlet, wastewater outlet and water storage barrel interface through pipes, and the tap water is filtered in turn. Various valve accessories are provided on the pipes for control, and a water pump is also connected to the pipes for delivering water to the box. Electrical components such as power supplies and circuit boards are also provided in the box.

[0032] In this specific embodiment, the existing water purifier uses a screw-type replacement of standard filter cartridges or a disposable replacement, which has the problems of troublesome disassembly and assembly, high cost, and risk of water leakage. The above scheme adopts a structure of a box body plus a flip-top filter cartridge cover plate. The universal filter cartridge is loaded in the accommodating cavity of the box body. After the filter cartridge cover plate is closed on the box body, it is locked by the lock buckle and the lock hook, so that the annular pressure plate generates a pre-tightening force on the universal filter cartridge to stabilize the universal filter cartridge in the box body. When the universal filter cartridge needs to be removed, open the lock buckle and open the filter cartridge cover plate along the hinged end. After the cover plate is not pre-tightened, the universal filter cartridge can be directly taken out for replacement. It is very convenient and reduces the difficulty of replacing the filter cartridge. There is no need for professional engineers to come to the site for replacement, which saves manpower and does not require a filter cartridge membrane shell, which saves costs and is more environmentally friendly.

[0033] First installation of the water purifier: 1. Open the lock and open the filter cover along the hinged end. 2. Prepare the universal filter element and put the filter element into the receiving cavity in the corresponding position sequence. 3. Close the filter cover. 4. Lock the lock hook with the lock, and the sealing ring seals the filter cover and the receiving cavity. 5. Connect the water inlet pipe, waste water pipe, water purifier faucet and power supply. 6. Turn on the water and power, and open the water purifier faucet to get water.

[0034] Replacement of filter element in water purifier: 1. Cut off water supply and power supply, open the water purifier tap to release pressure. 2. Open the lock and open the filter element cover of the water purifier along the hinged end. 3. Remove the filter element to be replaced. 4. Replace the new universal filter element and put it into the receiving cavity according to the corresponding filter element position. 5. Close the filter element cover. 6. Close the lock and seal the filter element cover and the receiving cavity with the sealing ring. 7. Turn on water supply and power supply, open the water purifier tap for use. Embodiment 2:

[0035] like Figures 1 to 5As shown, a connecting pipe 100 can be installed at the bottom of the accommodating cavity to facilitate connecting the filter elements. A detachable bottom plate 20 is provided at the bottom of the box body 1 to facilitate disassembly and maintenance. A water pump 21 is installed on the bottom plate 20 below the universal filter element 3.

[0036] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0037] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations on the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention.

Claims

1. A flip-top filter cartridge replacement household water purifier, characterized in that: The invention comprises a box body (1), wherein a plurality of accommodating chambers (2) are constructed below the upper end of the box body (1), wherein universal filter elements (3) are placed in the plurality of accommodating chambers (2) respectively, a filter element cover plate (4) is hingedly provided on the box body (1), a plurality of locking hooks (5) are provided at the side ends of the filter element cover plate (4), a locking buckle (6) cooperating with the plurality of locking hooks (5) is provided on the side wall of the box body (1), a plurality of annular pressing blocks (7) are formed outwardly on the inner end surface of the filter element cover plate (4), and the plurality of annular pressing blocks (7) are arranged corresponding to the plurality of accommodating chambers (2); the filter element cover plate (4) is covered on the upper end of the box body (1) along the hinged end, the annular pressing block (7) is pressed on the upper end of the universal filter element (3), and the locking hook (5) can cooperate with the locking buckle (6) to lock the filter element cover plate (4) with the box body (1).

2. A flip-top filter cartridge replacement household water purifier according to claim 1, characterized in that: The inner end surface of the filter element cover plate (4) is formed with a covering groove (8), the plurality of annular pressing blocks (7) are arranged in the covering groove (8), the outer periphery of the annular pressing blocks (7) protrudes outward from the covering groove (8) and is provided with a first circle wall (9) and a second circle wall (10), the upper end of the box body (1) corresponds to a third circle wall (11) and a fourth circle wall (12) at the outer periphery of the accommodating chamber (2); the filter element cover plate (4) is covered on the upper end of the box body (1) along the hinged end, and the first circle wall (9) and the second circle wall (10) are respectively abutted against the third circle wall (11) and the fourth circle wall (12) in the covering groove (8).

3. A flip-top filter cartridge replacement household water purifier according to claim 2, characterized in that: A first annular groove (13) is formed between the third circle wall (11) and the fourth circle wall (12), and a second annular groove (15) is formed between the first circle wall (9) and the second circle wall (10). A sealing ring (14) is provided in the first annular groove (13), and the upper end of the sealing ring (14) extends out of the first annular groove (13). The filter element cover plate (4) is covered on the upper end of the box body (1) along the hinged end, and the upper end of the sealing ring (14) extends into the second annular groove (15).

4. A flip-top filter cartridge replacement household water purifier according to claim 1, characterized in that: A power source is provided on the inner side of the box body (1); a water inlet (16), a purified water outlet (17), a wastewater outlet (18) and a water storage barrel interface (19) are provided on the side wall of the box body (1); a plurality of universal filter elements (3), the water inlet (16), the purified water outlet (17), the wastewater outlet (18) and the water storage barrel interface (19) are connected by pipelines; and a water pump connected to the pipeline is provided on the inner side of the box body (1).

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