Water purifier

Abstract

The utility model relates to the technical field of water purification equipment, in particular to a water purifier which comprises a middle frame structure, a supercharging device and a filter element assembly. The middle frame structure is provided with an accommodating cavity and a mounting cavity; the pressurizing device comprises a pressurizing pump and a buffering assembly, the buffering assembly comprises a connecting structure and a buffering piece, the pressurizing pump is contained in the mounting cavity and connected to the connecting structure, and the connecting structure is connected to the middle frame structure through the buffering piece; the filter element assembly is arranged in the containing cavity. According to the water purifier in the embodiment, the buffer assembly is arranged between the booster pump and the middle frame structure, so that the noise problem of an existing water purifier in the using process is remarkably solved.

Description

Technical Field

[0001] This application relates to the field of water purification equipment technology, and more particularly to a water purifier. Background Technology

[0002] With technological advancements, water purifiers, as an important means of improving water quality, have been widely used in ordinary households and public places. However, existing water purifiers still have some shortcomings in terms of user experience and equipment performance.

[0003] Most existing water purifiers use mechanical booster pumps to increase water pressure to meet the needs of different water usage scenarios. However, during operation, the booster pump generates significant noise due to friction and vibration of its internal moving parts. Furthermore, because the booster pump is directly connected to the casing, vibrations are directly transmitted to the casing, causing resonance and further amplifying noise. In addition, the lack of effective vibration damping structures in the design of existing water purifiers exacerbates this problem.

[0004] Therefore, it is necessary to address the aforementioned issues in order to change the current situation. Utility Model Content

[0005] This application provides a water purifier to solve the problems of excessive noise and vibration from the built-in booster pump in existing water purifiers.

[0006] The first aspect of this application provides a water purifier, comprising:

[0007] The middle frame structure includes a receiving cavity and a mounting cavity.

[0008] A booster device includes a booster pump and a buffer assembly. The buffer assembly includes a connecting structure and a buffer member. The booster pump is housed within the mounting cavity and connected to the connecting structure. The connecting structure is connected to the middle frame structure via the buffer member.

[0009] The filter element assembly is disposed within the receiving cavity.

[0010] In one possible implementation, the connection structure includes a mounting base and a support frame. The mounting base is connected to the middle frame structure, the buffer is rigidly connected to the mounting base by fasteners, and the buffer is flexibly connected to the support frame. The support frame is connected to the booster pump, and the booster pump is spaced apart from the inner wall of the mounting cavity.

[0011] In one possible implementation, the buffer includes a buffer connection, a buffer bearing, and a flexible buffer support. The buffer support abuts against the mounting base, and the buffer bearing supports the bottom of the support frame. The support frame has a connecting slot, and the buffer connection has a buffer connecting groove. The buffer connection passes through the connecting slot, and the support frame is engaged with the buffer connecting groove.

[0012] In one possible implementation, the buffer connection portion is further provided with a buffer protrusion, the buffer protrusion being provided on the side of the buffer connection portion away from the buffer support portion, and the fastener being at least partially spaced from the buffer connection portion and abutting against the buffer protrusion.

[0013] In one possible implementation, the connecting slot includes a communicating guide slot and a connecting slot, the buffer connecting portion passing through the connecting slot, the guide slot penetrating the edge of the support frame, and the opening of the guide slot on the side away from the connecting slot is funnel-shaped.

[0014] In one possible implementation, the middle frame structure is further provided with a receiving slot, the receiving slot communicating with the mounting cavity and protruding outward from the mounting cavity, and the connecting structure is at least partially inserted into the receiving slot.

[0015] In one possible implementation, the middle frame structure is provided with a connecting bracket, which is disposed on the inner wall of the mounting cavity and protrudes toward the interior of the mounting cavity; the middle frame structure has a first strip-shaped hole communicating with the receiving slot, and the connecting structure has a second strip-shaped hole, the first strip-shaped hole being movably connected to the connecting structure by fasteners, and the second strip-shaped hole being movably connected to the middle frame structure by fasteners.

[0016] In one possible implementation, the middle frame structure is further provided with a positioning protrusion, and the edge of the connecting structure is provided with a positioning slot, which engages with the positioning protrusion.

[0017] In one possible implementation, the buffer assembly further includes a flexible buffer pad disposed between the connecting structure and the middle frame structure.

[0018] In one possible implementation, the buffer pad has a support groove, and the edge of the connecting structure is inserted into the support groove;

[0019] And / or the middle frame structure further includes a limiting plate, which is disposed on one side of the connecting structure in the axial direction of the receiving cavity.

[0020] Implementing the embodiments of this application has the following beneficial effects:

[0021] The water purifier in this embodiment significantly improves the noise problem of existing water purifiers during use by setting a buffer component between the booster pump and the middle frame structure. In the prior art, due to the lack of effective vibration damping design, the friction and vibration generated by the booster pump during operation not only directly lead to increased noise, but may also cause resonance, easily causing the filter element to loosen, affecting the user experience, and in severe cases, damaging other components of the water purifier.

[0022] The water purifier solution of this embodiment effectively absorbs the vibration of the booster pump during operation, reducing noise levels. This design significantly improves the quietness of the water purifier while ensuring the performance of the booster pump. Furthermore, the buffer component prevents noise propagation, extending the overall lifespan of the water purifier and effectively solving the multiple problems caused by vibration and noise in existing water purifiers. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 A perspective view of the water purifier in an embodiment of this utility model is shown;

[0025] Figure 2 A schematic diagram of the internal structure of the water purifier in an embodiment of this utility model is shown;

[0026] Figure 3 A schematic diagram of the combined structure of the middle frame structure and the pressurizing device in an embodiment of this utility model is shown;

[0027] Figure 4 An exploded view of the frame structure and pressurization device in an embodiment of this utility model is shown;

[0028] Figure 5 The diagram shows a front view of the combined structure of the middle frame and the pressurizing device in an embodiment of this utility model.

[0029] Figure label:

[0030] 10-Water purifier;

[0031] 100 - Middle frame structure; 110 - Filter element frame; 111 - First frame; 112 - Second frame; 120 - Mounting frame; 121 - Mounting cavity; 1211 - Receiving slot; 1212 - First strip hole; 122 - Limiting plate; 123 - Connecting bracket; 124 - Positioning protrusion;

[0032] 200-Boosting device; 210-Boosting pump; 220-Buffer assembly; 221-Connecting structure; 2211-Mounting base; 22111-Second strip hole; 22112-Positioning slot; 2212-Bearing frame; 22121-Connecting slot; 22122-Guide slot; 22123-Connecting slot; 222-Buffer component; 2221-Buffer connection; 22211-Buffer connection groove; 22212-Buffer protrusion; 2222-Buffer bearing part; 2223-Buffer support part; 223-Buffer pad; 2231-Bearing groove;

[0033] 300 - Filter element assembly; 310 - First filter element; 320 - Second filter element;

[0034] 400-Waterway Board;

[0035] 500 - Shell structure;

[0036] 20 - Connecting screw. Detailed Implementation

[0037] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0038] With the increasing prominence of drinking water quality issues, water purifiers, as an important means of improving water quality, have been widely used in ordinary households and public places. However, existing water purifiers still have some shortcomings in terms of user experience and equipment performance.

[0039] Most existing water purifiers use mechanical booster pumps to increase water pressure to meet the needs of different water usage scenarios. However, during operation, the booster pump generates significant noise due to friction and vibration of its internal moving parts. Furthermore, because the booster pump is directly connected to the casing, vibrations are directly transmitted to the casing, causing resonance and further amplifying noise. In addition, the lack of effective vibration damping structures in the design of existing water purifiers exacerbates this problem.

[0040] Based on this, see Figures 1 to 5As shown, this utility model embodiment provides a water purifier 10, which includes a middle frame structure 100, a pressurizing device 200, and a filter element assembly 300; the middle frame structure 100 is provided with a receiving cavity and an installation cavity 121; the pressurizing device 200 includes a pressurizing pump 210 and a buffer assembly 220, the buffer assembly 220 includes a connecting structure 221 and a buffer element 222, the pressurizing pump 210 is housed in the installation cavity 121 and connected to the connecting structure 221, the connecting structure 221 is connected to the middle frame structure 100 through the buffer element 222; the filter element assembly 300 is disposed in the receiving cavity.

[0041] In this embodiment, the water purifier 10 significantly improves the noise problem during use by setting a buffer assembly 220 between the booster pump 210 and the middle frame structure 100. In the prior art, due to the lack of effective vibration damping design, the friction and vibration generated by the booster pump 210 during operation not only directly lead to increased noise, but may also cause resonance, easily causing the filter element to loosen, affecting the user experience, and in severe cases, damaging other components of the water purifier 10.

[0042] By applying the technical solution of the water purifier 10 in this embodiment, the use of the buffer component 220 effectively absorbs the vibration of the booster pump 210 during operation, reducing the noise level. This design, while ensuring the performance of the booster pump 210, greatly improves the quietness of the water purifier 10. In addition, the design of the buffer component 220 can prevent the propagation of noise, extend the overall service life of the water purifier 10, and effectively solve the multiple problems caused by vibration and noise in the prior art.

[0043] Specifically, the connection structure 221 includes a mounting base 2211 and a support frame 2212. The mounting base 2211 is connected to the middle frame structure 100, and the buffer 222 is rigidly connected to the mounting base 2211 by fasteners. Meanwhile, the buffer 222 is flexibly connected to the support frame 2212, and the support frame 2212 is connected to the booster pump 210. The booster pump 210 is spaced apart from the inner wall of the mounting cavity 121.

[0044] This design allows for the assembly of the booster pump 210 onto the support frame 2212 during the assembly of the booster device 200 in this embodiment. The support frame 2212 is then connected to the mounting base 2211 via the buffer 222, forming a modular structure. This modular design not only facilitates disassembly and assembly but also improves assembly efficiency and provides convenience for later maintenance.

[0045] When the booster pump 210 vibrates, the vibration is transmitted to the support frame 2212 through the connection. Since the support frame 2212 and the mounting base 2211 are connected by a buffer 222, the buffer 222 acts as a shock absorber between the support frame 2212 and the mounting base 2211, effectively reducing vibration transmission and significantly reducing noise generation. This buffer connection design ensures the overall stability of the booster device 200, avoiding subsequent problems caused by booster pump vibration, such as component damage or shortened service life.

[0046] It is important to emphasize that fasteners can take various forms, such as screws and pins, and the specific implementation should be selected based on the actual product design requirements. In different application scenarios, selecting different types of fasteners can provide more flexible connection methods and better stability. Using multiple fasteners can further enhance the strength of the connection and its shock resistance; specifically, the number of fasteners can be one, two, or more, and there is no single limitation. Furthermore, the material of the buffer 222 can be silicone rubber, foam, etc., and the specific selection should be based on actual design requirements to ensure the best shock absorption effect.

[0047] In one embodiment, the buffer member 222 is designed to include a buffer connecting portion 2221, a buffer bearing portion 2222, and a flexible buffer support portion 2223. The buffer support portion 2223 abuts against the mounting base 2211, providing support and shock absorption; the buffer bearing portion 2222 is mainly used to support the bottom of the bearing frame 2212, thereby ensuring the stability of the overall structure. The bearing frame 2212 has a connecting slot 22121, while the buffer connecting portion 2221 has a buffer connecting groove 22211. The buffer connecting portion 2221 passes through the connecting slot 22121, ensuring that the bearing frame 2212 can be locked in the buffer connecting groove 22211, forming a secure connection.

[0048] Through the above configuration, the buffer support 2222 can effectively support the connection with the support frame 2212. The buffer connection 2221, through its cooperation with the support frame 2212, achieves a damping effect on vibration transmission between the support frame 2212 and the mounting base 2211. In a specific embodiment, the buffer 222 can be rigidly connected to the mounting base 2211 with screws to ensure its stability. The advantage of this rigid connection method is that the screws have good tensile and shear strength, can withstand a certain amount of external impact, and are suitable for use in vibrating environments.

[0049] In this configuration, the buffer connection 2221 and the support frame 2212 are flexibly connected. This allows the buffer connection 2221 to effectively absorb and mitigate the impact of vibration on the support frame 2212 when the booster pump 210 vibrates. Simultaneously, by engaging the support frame 2212 with the buffer connection groove 22211 of the buffer connection 2221 via the connection slot 22121, the resulting positioning prevents the buffer component 222 from separating from the support frame 2212 under vibration, further enhancing the reliability and durability of the design.

[0050] It should be noted that different types of screws can be used, such as Phillips head, hex socket, or self-tapping screws, and the choice can be adjusted according to specific assembly requirements. There is no single limitation; selecting appropriate fasteners not only enhances the stability of the connection but also improves the convenience of assembly and maintenance.

[0051] In this embodiment, the connection structure between the buffer connection 2221 and the support frame 2212 can adopt various variations, such as snap-fit ​​or plug-in, which can further improve the shock absorption effect and achieve adaptability to common vibration.

[0052] Furthermore, the buffer connection portion 2221 is also provided with a buffer protrusion 22212, which protrudes from the side of the buffer connection portion 2221 away from the buffer support portion 2223. At least part of the fastener is spaced apart from the buffer connection portion 2221 and abuts against the buffer protrusion 22212. In this embodiment, the buffer protrusion 22212 can effectively abut against the head of the connecting screw 20, thus effectively increasing the deformation space of the buffer member 222 while ensuring the connection between the connecting screw 20 and the buffer member 222. This design not only reduces the contact area between the buffer member 222 and the connecting screw 20, avoiding excessive contact affecting the buffering effect, but also allows the buffer member 222 to deform and recover better when subjected to external vibration, thereby improving the overall buffering effect.

[0053] It should be noted that fasteners can be selected in various forms, such as screws, pins, or nuts. In practice, the type of screw should be selected based on the required connection strength and environmental adaptability. For example, choosing a high-strength screw can increase the rigidity and stability of the connection, thereby improving the seismic performance of the structure. Specifically, the screw specifications can be selected according to the specifications of the mounting base 2211. Furthermore, the space and stress conditions of the connection area should be considered during the design selection process. Such selection can effectively ensure the reliability of the system.

[0054] Overall, the design of the buffer protrusion 22212 enhances the deformation capacity of the buffer component 222 while fasteners are installed, thereby improving the shock absorption effect. This not only improves the stability of the booster device 200 during operation but also helps extend the system's service life and reduce maintenance costs.

[0055] In one embodiment, the connecting slot 22121 includes a guide slot 22122 and a connecting slot 22123 that are connected to each other. The buffer connecting part 2221 passes through the connecting slot 22123. The guide slot 22122 passes through the edge of the support frame 2212, and the opening of the guide slot 22122 away from the connecting slot 22123 is funnel-shaped.

[0056] Therefore, when the support frame 2212 is connected to the buffer connection 2221, the guide groove 22122 first contacts the buffer connection 2221. Since the guide groove 22122 is flared and has a sloping guiding feature, it can effectively guide the buffer connection 2221 to accurately enter the connection slot 22121. This structure not only improves the installation accuracy between the support frame 2212 and the buffer component 222, ensuring a tighter fit between components, but also helps to improve the convenience of the assembly process and reduce installation difficulties or errors caused by inaccurate alignment.

[0057] In specific embodiments, the opening design of the guide groove 22122 can adopt different angles or a trumpet-shaped expansion degree. The most suitable angle is selected according to the actual situation to further optimize the guiding effect. This flexibility can improve the assembly efficiency of the production line and adapt to various application environments. In one embodiment, the middle frame structure 100 is also provided with a receiving slot 1211, which communicates with the mounting cavity 121 and protrudes outward from the mounting cavity 121. The connecting structure 221 is at least partially inserted into the receiving slot 1211. Its design aims to enhance the fit and assembly accuracy between components.

[0058] By setting the receiving slot 1211 to cooperate with the connecting structure 221, when assembling the connecting structure 221, the connecting structure 221 can be inserted into the receiving slot 1211 first. This design provides a good positioning effect, reduces the difficulty of alignment during assembly, improves the convenience and accuracy of the overall connection, and ensures that the connecting structure 221 is fixed in the predetermined position.

[0059] In a specific embodiment, the mounting base 2211 can be plugged into the receiving slot 1211, thereby further improving the connection accuracy between the mounting base 2211 and the middle frame structure 100. In summary, through the effective cooperation between the receiving slot 1211 and the connecting structure 221, and the plug-in design of the mounting base 2211 and the receiving slot 1211, not only is the assembly connection accuracy improved, but the connection method can also be flexibly selected according to actual design requirements to ensure the overall performance and reliability of the middle frame structure 100.

[0060] Specifically, the middle frame structure 100 is provided with a connecting bracket 123, which is located on the inner wall of the mounting cavity 121 and protrudes towards the interior of the mounting cavity 121. The middle frame structure 100 has a first strip-shaped hole 1212 communicating with the receiving slot 1211, and the connecting structure 221 has a second strip-shaped hole 22111. The first strip-shaped hole 1212 is movably connected to the connecting structure 221 by a fastener, and the second strip-shaped hole 22111 is movably connected to the middle frame structure 100 by a fastener. In this embodiment, the fastener is connected to the mounting base 2211 through the first strip-shaped hole 1212, and the mounting base 2211 is connected to the connecting bracket 123 through the second strip-shaped hole 22111. The first strip-shaped hole 1212 and the second strip-shaped hole 22111 are designed to be parallel. This design allows the mounting base 2211 to move relatively in the length direction parallel to the first strip-shaped hole 1212, so as to facilitate the adjustment of the actual installation position of the mounting base 2211.

[0061] The connecting bracket 123 extends inward from the bottom surface of the mounting cavity 121, while the design allows the mounting base 2211 to be fitted onto the connecting bracket 123. In this design, fasteners pass through the second slot 22111 from the outside of the mounting base 2211 and connect to the connecting bracket 123. This arrangement not only makes the combination of the mounting base 2211 and the middle frame structure 100 more compact but also helps improve space utilization efficiency. Furthermore, the mounting base 2211 provides some protection for the connecting bracket 123, improving the reliability of the connection between the mounting base 2211 and the middle frame structure 100.

[0062] It is worth noting that fasteners can be selected in various forms, such as screws and pins. In this regard, screws may offer better tensile strength and stability, making them suitable for applications requiring heavy loads, while pins offer advantages in terms of quick assembly and repair for easier maintenance later. Furthermore, considering the specific design requirements of the connection structure 221, the number of fasteners can depend on the application scenario; typically, one, two, or more are not limited to this. Connections with multiple fasteners may enhance the overall stability and durability of the connection, thereby improving the reliability and safety of the equipment.

[0063] Furthermore, the middle frame structure 100 is also provided with a positioning protrusion 124, and the edge of the connecting structure 221 is provided with a positioning groove 22112, which engages with the positioning protrusion. This design ensures that when the mounting base 2211 is connected to the middle frame structure 100, the positioning groove 22112 on the mounting base 2211 can be firmly engaged with the positioning protrusion 124 on the middle frame structure 100, thereby achieving accurate positioning of the mounting base 2211.

[0064] Specifically, the positioning slot 22112 adopts an arc-shaped design, and the outer wall of the positioning protrusion 124 is also arc-shaped. This structure allows the positioning slot 22112 and the positioning protrusion 124 to fit tightly together, achieving a highly accurate positioning effect. This design can reduce assembly errors during the assembly process and ensure the mutual cooperation between components.

[0065] Of course, in some embodiments, the mounting base 2211 may be omitted from the positioning slot 22112, in which case its straight edge will make contact with the arc-shaped positioning protrusion 124. In this case, a line contact or point contact will be formed between the mounting base 2211 and the positioning protrusion 124, which helps to reduce the contact area between the two, thereby improving the vibration propagation effect and further enhancing the shock absorption performance of the buffer assembly 220. By reducing the contact area, vibration is effectively attenuated during transmission, thereby better protecting the booster pump 210 and its related components and reducing the potential risk of damage caused by vibration.

[0066] It is worth mentioning that, in specific implementations, the shape of the positioning slot 22112 can take various forms, such as a U-shaped slot or an elliptical slot, all of which can meet the accuracy requirements of different design needs. No single limitation is made here; choosing a suitable slot design will help improve positioning accuracy and connection stability, effectively avoiding subsequent problems caused by improper assembly.

[0067] Furthermore, the buffer assembly 220 also includes a flexible buffer pad 223, which is disposed between the connecting structure 221 and the middle frame structure 100. By providing the buffer pad 223 between the mounting base 2211 and the middle frame structure 100, the overall buffering effect of the buffer assembly 220 is effectively improved. In specific implementations, the buffer pad 223 can be made of various materials, such as rubber, silicone, or other elastic materials, to adapt to different application requirements.

[0068] The cushioning pad 223, made of flexible material, can effectively absorb and mitigate the forces caused by vibration and impact, which has a significant advantage in improving the overall durability and stability of the equipment. By selecting appropriate cushioning materials, the propagation of vibration can be greatly improved, reducing the risk of damage to the middle frame structure 100 and related components.

[0069] Furthermore, the shape and size of the buffer pad 223 can be customized according to specific needs to ensure that it can perfectly match the space between the connecting structure 221 and the middle frame structure 100, forming effective contact and tight fit. The use of multiple buffer pads 223 is conceivable to further enhance the overall cushioning effect. Specifically, the number of buffer pads can be one, two, or more; there is no single limitation. This not only increases the contact area but also disperses the force, thereby achieving a more efficient shock absorption effect.

[0070] In one embodiment, the buffer pad 223 has a bearing groove 2231, and the edge of the connecting structure 221 is inserted into the bearing groove 2231;

[0071] By providing a support groove 2231 in the buffer pad 223, the mounting base 2211 can be smoothly inserted and fixed within the support groove 2231 when connected to the buffer pad 223. This not only facilitates precise positioning of the mounting base 2211 but also ensures the stability of the buffer pad 223 during installation. When the mounting base 2211 presses the buffer pad 223 into the mounting cavity 121, the design of the support groove 2231 provides an additional limiting function, preventing the buffer pad 223 from accidentally dislodging due to vibration. This limiting function significantly improves the safety of the overall structure, ensuring a stable connection of components under various operating conditions.

[0072] It should be noted that the shape and size of the bearing groove 2231 can be adjusted according to specific design requirements. Common shapes include U-shaped, V-shaped, or straight, and the specific implementation is not limited to a single type. This flexibility helps to meet the installation requirements of different equipment and can also improve the buffering efficiency to a certain extent.

[0073] In one embodiment, the middle frame structure 100 further includes a limiting plate 122, which is axially positioned on one side of the connecting structure 221 within the receiving cavity. By engaging with the mounting base 2211, the limiting plate 122 effectively limits the installation position of the mounting base 2211 within the mounting cavity 121. Once the mounting base 2211 is in place, the limiting plate 122 abuts against the outer wall of the mounting base 2211, thereby stably limiting its position in a direction perpendicular to the limiting plate 122. This design ensures the stability and accuracy of the component during operation.

[0074] Furthermore, in some embodiments, the number of limiting plates 122 can be multiple, such as two, three, or more. When multiple limiting plates 122 are spaced apart, the mounting positions formed between adjacent limiting plates 122 can be used to accommodate the mounting base 2211. This configuration of multiple limiting plates not only enhances the multiple limiting effect on the mounting base 2211 but also improves its adaptability under different installation conditions, thereby further enhancing the reliability of the structure.

[0075] It should be noted that the design of the limiting plate 122 does not require continuous contact with the entire side wall of the mounting base 2211. The limiting plate 122 can contact the mounting base 2211 when it is deviated from the preset installation position, while when the mounting base 2211 is in the preset position, the limiting plate 122 maintains a distance from it. This flexible configuration not only facilitates insertion, removal, and maintenance in daily operation, but also reduces wear caused by contact friction, helping to extend the service life of the overall structure.

[0076] Furthermore, the material of the limiting plate 122 can be specified through different implementation methods; for example, materials such as plastic, aluminum alloy, or stainless steel can be selected. These materials each have advantages in terms of strength, corrosion resistance, and wear resistance. Specifically, using plastic as the limiting plate is not only lightweight and easy to process, but also has excellent corrosion resistance, and can be directly molded onto the mounting cavity 121 during the injection molding of the frame structure 100; while aluminum alloy and stainless steel perform well in terms of strength and durability, and are especially suitable for applications subject to high mechanical pressure. This makes the application scenarios of the limiting plate 122 more extensive, and the material can be flexibly selected according to actual design requirements.

[0077] Specifically, the water purifier 10 also includes a water circuit board 400 and a housing structure 500. The middle frame structure 100, the pressurizing device 200, and the filter element assembly 300 are disposed inside the housing structure 500. The water circuit board 400 is connected to the middle frame structure 100. The filter element assembly 300 includes a first filter element 310 and a second filter element 320. Both the first filter element 310 and the second filter element 320 are disposed inside the middle frame structure 100 and connected to the water circuit board 400. The first filter element 310 and the second filter element 320 are connected through the water flow channel inside the water circuit board 400.

[0078] In one embodiment, the first filter element 310 includes a pre-filter element, and the second filter element 320 includes an RO filter element. The pre-filter element is directly connected to the water circuit board 400 and communicates with the first interface of the water circuit board 400. This configuration enables the pre-filter element to effectively remove large particulate impurities and suspended solids from the water, thereby protecting the subsequent RO filter element from damage and extending its service life.

[0079] Meanwhile, the RO filter cartridge is connected to the water circuit board 400 and its second interface. The first and second interfaces are connected through the water flow channels in the water circuit board 400. This design allows the RO filter cartridge to efficiently further filter the pre-filtered water, removing fine dissolved and harmful substances to ensure the final water quality meets drinking standards. The connecting pipe is designed to continuously transport the water output from the pre-filter cartridge to the RO filter cartridge. This flow path not only improves the overall filtration efficiency of the system but also further reduces the risk of contamination during water transfer.

[0080] In terms of specific implementation, the pre-filter cartridge can use various filter media, such as polypropylene and polyester, which have good filtration performance and corrosion resistance; while the RO filter cartridge is recommended to use reverse osmosis membrane material, which has superior separation capabilities and is suitable for desalination and removal of microorganisms. Meanwhile, the material selection for the connecting pipes can be adjusted according to specific application requirements. For example, using food-grade plastic pipes is not only economical and practical but also ensures water quality safety.

[0081] In one embodiment, the middle frame structure 100 includes a filter element frame 110 and a mounting frame 120 connected together. A receiving cavity is disposed within the filter element frame 110, and a mounting cavity 121 is disposed within the mounting frame 120. The filter element frame 110 includes a first frame 111 and a second frame 112, and the first frame 111 and the second frame 112 are respectively connected to the mounting frame 120. The first filter element 310 and the second filter element 320 are respectively disposed within the first frame 111 and the second frame 112.

[0082] In the description of the embodiments of this application, it should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this application and simplifying the description, and 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. Therefore, they should not be construed as limitations on the embodiments of this application. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0083] In the description of the embodiments of this application, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application based on the specific circumstances.

[0084] In the embodiments of this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0085] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the embodiments of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0086] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. A water purifier characterized by comprising: The utility model relates to a filter device, including: Middle frame structure is equipped with containing cavity and installation cavity; Supercharging device, including supercharging pump and buffer assembly, the buffer assembly includes connecting structure and buffer piece, the supercharging pump is housed in the installation cavity and is connected to the connecting structure, the connecting structure is connected to the middle frame structure through the buffer piece; And Filter core assembly is equipped in the containing cavity.

2. The water purifier according to claim 1, characterized in that The connecting structure includes mounting seat and bearing frame, the mounting seat is connected to the middle frame structure, the buffer piece is rigidly connected with the mounting seat through fastener, and the buffer piece is flexibly connected to the bearing frame, the bearing frame is connected to the supercharging pump, and the supercharging pump is spaced apart from the inner wall of the installation cavity.

3. The water purifier according to claim 2, wherein The buffer piece includes buffer connecting portion, buffer bearing portion and flexible buffer support portion, the buffer support portion is butted to the mounting seat, and the buffer bearing portion supports the bottom of the bearing frame;The bearing frame is provided with a connecting notch, the buffer connecting portion is provided with a buffer connecting groove, the buffer connecting portion is arranged in the connecting notch, and the bearing frame is clamped in the buffer connecting groove.

4. The water purifier according to claim 3, wherein The buffer connecting portion is further provided with a buffer protrusion, the buffer protrusion is protruded from the side of the buffer connecting portion away from the buffer support portion, and the fastener is at least partially spaced apart from the buffer connecting portion and butted to the buffer protrusion.

5. The water purifier according to claim 3, wherein The connecting notch includes a guide groove portion and a connecting groove portion in communication, the buffer connecting portion is arranged in the connecting groove portion, the guide groove portion penetrates the edge of the bearing frame, and the opening of the side of the guide groove portion away from the connecting groove portion is in a horn shape.

6. The water purifier according to claim 1, wherein The middle frame structure is further provided with a containing notch, the containing notch is communicated with the installation cavity and protrudes outward from the installation cavity, and the connecting structure is at least partially inserted into the containing notch.

7. The water purifier according to claim 6, wherein The middle frame structure is provided with a connecting frame, the connecting frame is arranged on the inner wall of the installation cavity and protrudes towards the inside of the installation cavity;The middle frame structure is provided with a first slot-shaped hole communicated with the containing notch, the connecting structure is provided with a second slot-shaped hole, the first slot-shaped hole is movably connected with the connecting structure through fastener, and the second slot-shaped hole is movably connected with the middle frame structure through fastener.

8. The water purifier according to claim 7, characterized in that The middle frame structure is further provided with a positioning protrusion, the edge of the connecting structure is provided with a positioning notch, and the positioning notch is clamped and matched with the positioning protrusion.

9. The water purifier according to claim 1, wherein The buffer assembly further includes a flexible buffer pad, the buffer pad is arranged between the connecting structure and the middle frame structure.

10. The water purifier according to claim 9, wherein The buffer pad is provided with a bearing groove, and the edge of the connecting structure is inserted into the bearing groove. And / or the middle frame structure further includes a limiting plate, the limiting plate is arranged on one side of the connecting structure in the axial direction of the containing cavity.

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