A seamless sink filter, drain assembly and seamless sink

Abstract

The utility model relates to the technical field of sink drainage device, concretely relates to a filter for seamless sink, drainage assembly and seamless sink, and this filter includes filter upper body and filter lower body, wherein, filter upper body includes basket, water seal assembly and first connecting piece, the basket with water seal assembly passes through first connecting piece fixed connection, filter lower body includes flange body, plugging piece, filter cover and second connecting piece, wherein, the plugging piece sets up in the annular cavity of flange body, second connecting piece penetrates filter cover with flange body realizes fixed connection, first connecting piece can be movably inserted in second connecting piece, and relative to second connecting piece, first connecting piece can be self -locked in different positions to realize the setting of sealing, drainage.

Description

Technical Field

[0001] This utility model relates to the technical field of water tank filtration devices, and more specifically, to a filter for a seamless water tank, a drainage component, and a seamless water tank. Background Technology

[0002] In recent years, with the increasing popularity of garbage disposals in households, a type of kitchen sink adapted for garbage disposal installation has emerged on the market. For example, a seamless sink where the drain sleeve is integrally formed with the sink body (e.g., authorization notice number CN216865348U). This seamless sink solves the problems of gaps in conventional separate drain and sink designs, which easily trap dirt and grime, and poor sealing due to corrosion and aging at the connection points. Furthermore, the structure of its drain sleeve is designed for assembly with garbage disposals. However, this type of seamless sink is only compatible with garbage disposals; its design lacks consideration for how the sink can be used independently when the garbage disposal is not in use, such as how the drain sleeve connects to the drain pipe, or what kind of filter component to choose for the drain sleeve, etc.

[0003] Currently, most conventional kitchen sink filter assemblies on the market fix the filter assembly to the center hole of the sink, place a strainer inside the main body to filter waste, and then add a filter cover on top of the main body for sealing or draining water. This structure achieves the purpose of sealing water, draining water, and filtering waste. If conventional filter assemblies are directly installed on the drain sleeve of the aforementioned seamless sink, firstly, the integrated arc transition structure between the drain sleeve and the sink body makes it impossible to directly apply existing filter assemblies to seamless sinks; secondly, if existing filter assemblies are placed directly at the drain outlet of the seamless sink, the installation gap between the conventional sink and the filter assembly will be reproduced, and dirt and grime will easily accumulate, thus defeating the innovative purpose of the seamless sink.

[0004] Therefore, a filter component that can be adapted to a seamless water tank needs to be designed. Utility Model Content

[0005] In view of the above-mentioned technical problems existing in the prior art, the purpose of this utility model is to provide a filter, drainage component and seamless water tank for seamless water tank.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0007] A seamless sink filter includes: an upper filter body and a lower filter body, wherein the upper filter body is disposed above the lower filter body, wherein...

[0008] The filter body includes a basket, a water sealing assembly, and a first connector, wherein the basket and the water sealing assembly are fixedly connected through the first connector;

[0009] The lower body of the filter includes a flange body, a sealing element, a filter cover, and a second connecting element. The sealing element is disposed in the annular cavity of the flange body, and the second connecting element passes through the filter cover and is fixedly connected to the flange body.

[0010] The first connector is movably inserted into the second connector, and the first connector can self-lock in different positions relative to the second connector to achieve sealing and drainage settings.

[0011] As a further improvement to the technical solution of this utility model, the basket includes a basket handle, a filter screen, and a connecting part, wherein,

[0012] The basket handle extends integrally with the filter screen along the first direction to form an impact part and a grip part with a cap-shaped structure, and the basket handle is recessed in the second direction to form a first accommodating cavity.

[0013] The filter screen has a disc-shaped structure and is evenly distributed with a number of filter holes;

[0014] The connecting part is embedded in the first accommodating cavity, and a first screw hole is provided at the center of its bottom for connecting and fixing with the first connecting member.

[0015] As a further improvement to the technical solution of this utility model, the water-sealing assembly includes a first metal gasket, a sealing ring, and a second metal gasket stacked sequentially from top to bottom; wherein,

[0016] The first metal gasket is in the shape of an inverted funnel, with a first opening in its center.

[0017] The sealing ring is a silicone sealing ring with a conical structure.

[0018] The second metal gasket is generally disc-shaped, and may have a second opening in its center. The first connector passes through the second opening, the silicone sealing ring, and the first opening from bottom to top, and then fixes the water sealing component to the bottom of the connector.

[0019] As a further improvement to the technical solution of this utility model, the basket includes a basket handle and a filter screen; wherein, the basket handle extends integrally with the filter screen along a first direction to form an impact part and a grip part with a cap-shaped structure, and the basket handle is recessed inward along a second direction to form a first mounting part, the first mounting part being configured to be fixedly connected to the water sealing component.

[0020] The filter screen has a disc-shaped structure and is evenly distributed with a number of filter holes.

[0021] As a further improvement to the technical solution of this utility model, the water-sealing assembly includes a water-sealing ring and a support member; wherein,

[0022] The water-sealing ring includes a fixing part, a water-sealing part, and a limiting part, and has a through hole in its center.

[0023] The support member has a hat-shaped structure, with a protrusion and a support portion, and a first opening in the center. The protrusion is fitted into the through hole of the water-sealing ring, and is fixed and limited by the support portion and the limiting portion of the water-sealing ring.

[0024] The first connector connects and fixes the support member and the water sealing component in series from bottom to top to the first mounting part.

[0025] As a further improvement to the technical solution of this utility model, the first connecting member is an integral vertical central shaft, which is configured with a first functional part and a second functional part; wherein, the diameter of the first functional part is smaller than the diameter of the second functional part, the first functional part forms an external thread structure of a preset length, the outer surface of the second functional part is smooth, and its tail portion away from the first functional part has a chamfer structure.

[0026] As a further improvement to the technical solution of this utility model, a limiting hole is opened at the preset position of the second functional part. A ball bearing with a diameter larger than the diameter of the limiting hole and a return spring are provided in the limiting hole, so that under normal conditions, the ball bearing is always kept at least partially exposed under the action of the return spring, forming a self-locking structure.

[0027] As a further improvement to the technical solution of this utility model, the flange body is composed of a receiving part and a threaded part, wherein the receiving part is fixedly connected to the filter cover through the second connecting member, and the threaded part is used for external drainage assembly.

[0028] As a further improvement to the technical solution of this utility model, the receiving part has a hollow structure, including a narrowed section, a transition section and a straight-walled cylindrical section extending from bottom to top.

[0029] As a further improvement to the technical solution of this utility model, a number of connecting ribs are symmetrically arranged on the inner wall of the reduced diameter section, and the number of connecting ribs converge at the receiving platform at the center of the flange body, and a second bolt hole is opened at the center of the receiving platform.

[0030] As a further improvement to the technical solution of this utility model, the transition portion protrudes in a direction away from the threaded portion to form a convex edge, and the convex edge and the straight-walled cylindrical portion form the annular cavity, and the sealing member is accommodated in the annular cavity.

[0031] As a further improvement to the technical solution of this utility model, the sealing component is a rubber sealing ring, and the wall thickness of the rubber sealing ring is smaller than the size of the annular cavity.

[0032] As a further improvement to the technical solution of this utility model, a sealing gasket is also provided between the sealing component and the bottom surface of the annular cavity.

[0033] As a further improvement to the technical solution of this utility model, the filter cover is a disc-shaped cover structure with a cover edge, a central through hole and a filter channel.

[0034] As a further improvement to the technical solution of this utility model, the second connector is a fastener with a central through hole; wherein, the outer wall surface of the fastener is provided with an external thread, the diameter of the central through hole is adapted to the diameter of the second functional part, and the external thread of the fastener is adapted to the second screw hole.

[0035] As a further improvement to the technical solution of this utility model, the filter cover is used to assemble and fix with the seamless water tank, and the sealing member is configured to abut and fix with the bottom retaining ring of the seamless water tank, so that an installation space is formed between the filter cover and the sealing member.

[0036] As a further improvement to the technical solution of this utility model, the positioning part of the seamless water tank limits and fixes the filter cover, the sealing member is set between the bottom retaining ring of the seamless water tank and the flange body, and deforms under the locking force of the second connecting member, so that the lower body of the filter and the seamless water tank achieve a sealed connection.

[0037] On the other hand, the technical solution adopted by this utility model is as follows:

[0038] A drainage assembly includes a filter and a drainage kit, the drainage kit being connected and fixed to the filter, wherein the filter is a seamless sink filter as described in the foregoing technical content.

[0039] As a further improvement to the technical solution of this utility model, the drainage kit includes at least a locking nut, an overflow gourd, an overflow cup, and a drain pipe.

[0040] As a further improvement to the technical solution of this utility model, the locking nut is configured to be detachably connected and fixed to the lower body of the filter.

[0041] As a further improvement to the technical solution of this utility model, a conical washer is provided between the locking nut and the lower body of the filter.

[0042] As a further improvement to the technical solution of this utility model, the overflow hoist includes at least a main water inlet, a water outlet, and a drain outlet, wherein the main water inlet is fixedly connected to the lower body of the filter by means of the locking nut; the water outlet is detachably fixedly connected to the overflow cup, and the drain outlet is detachably fixedly connected to the drain pipe.

[0043] As a further improvement to the technical solution of this utility model, the overflow hoist also includes an auxiliary water inlet, and the number of the auxiliary water inlets is one or more.

[0044] As a further improvement to the technical solution of this utility model, the number of auxiliary water inlets is two.

[0045] As a further improvement to the technical solution of this utility model, the overflow hoist also includes an overflow plug, which is configured to block the auxiliary water inlet.

[0046] As a further improvement to the technical solution of this utility model, an O-ring is also provided between the water outlet and the overflow cup.

[0047] As a further improvement to the technical solution of this utility model, the drain outlet is threaded and is fixedly connected to the drain pipe by a thread.

[0048] Furthermore, the technical solution adopted by this utility model is as follows:

[0049] A seamless sink includes a seamless sink body and a drainage assembly for the seamless sink, wherein the seamless sink body includes at least a drain outlet and a drain sleeve integrally extended from the drain outlet, and the drainage assembly is disposed near the free end of the drain sleeve, wherein the drainage assembly is the drainage assembly described in any of the foregoing technical contents.

[0050] Compared with the prior art, the present invention has the following beneficial effects:

[0051] (1) The filter for seamless water tank of this utility model has a novel design and can be perfectly adapted to the installation and use of seamless water tank, solving the problem that existing filter components cannot be directly applied to seamless water tanks.

[0052] (2) The seamless water tank filter of this utility model has a simple structure, is easy to operate, has a good water sealing effect, and adopts a quick locking structure, which can easily change the drainage volume by adjusting the height, effectively improving drainage efficiency. It can also separate filter impurities and wastewater to prevent water pipe blockage.

[0053] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and do not limit the present invention. Attached Figure Description

[0054] To more clearly illustrate the technical solutions in the embodiments of this utility model 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 only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0055] Figure 1 This is a schematic diagram of the structure of a seamless water tank filter according to an embodiment of the present invention.

[0056] Figure 2 This is an exploded structural diagram of a seamless water tank filter according to an embodiment of the present invention.

[0057] Figure 3 This is a schematic diagram of the structure of the filter body according to an embodiment of the present invention.

[0058] Figure 4 This is a schematic diagram of the structure of a basket according to an embodiment of the present invention.

[0059] Figure 5 This is an exploded structural diagram of a seamless water tank filter according to another embodiment of the present invention.

[0060] Figure 6 This is a schematic diagram of the structure of the filter body according to another embodiment of the present invention. Figure 7 This is a schematic diagram of the structure of the lower body of the filter according to an embodiment of the present invention.

[0061] Figure 8 This is a schematic diagram of the flange body according to an embodiment of the present invention.

[0062] Figure 9 This is a schematic diagram of the assembly structure of the first connector and the second connector according to an embodiment of the present invention.

[0063] Figure 10 This is a cross-sectional view of a filter according to an embodiment of the present invention.

[0064] Figure 11 This is a schematic diagram of the assembly of the filter and drainage components according to another embodiment of the present invention.

[0065] Figure 12 This is an exploded structural diagram of a drainage component according to another embodiment of the present invention.

[0066] Figure 13 This is a cross-sectional view showing the assembly relationship between the seamless water tank and the lower body of the filter, according to another embodiment of this utility model. Detailed Implementation

[0067] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0068] It should be understood that the terms "first" and "second" appearing in the specification and claims of this utility model are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such terms can be used interchangeably where appropriate so that embodiments of the utility model described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" or "having," and any variations thereof, are intended to cover a non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0069] In this utility model, it should also be understood that the terms "center," "longitudinal," "transverse," "end," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model 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, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0070] The technical solution of this utility model will be described in detail below with specific embodiments. The following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described again in some embodiments.

[0071] As mentioned earlier, most kitchen sink filter components are not directly compatible with seamless sinks, or when existing filter components are placed at the drain outlet of a seamless sink, the problems that exist when installing conventional sinks and filter components will be repeated.

[0072] To address the aforementioned deficiencies, this utility model provides a filter for seamless sinks, comprising: an upper filter body 10 and a lower filter body 20 disposed below the upper filter body 10. The upper filter body 10 includes a basket 11, a water-sealing assembly 12, and a first connector 13, with the basket 11 and the water-sealing assembly 12 fixedly connected via the first connector 13. The lower filter body 20 includes a flange body 21, a sealing element 22, a filter cover 23, and a second connector 24. The sealing element 22 is disposed within the annular cavity of the flange body 21, and the second connector 24 penetrates the filter cover 23 and is fixedly connected to the flange body 21. The first connector 13 is movably inserted into the second connector 24, and relative to the second connector 24, the first connector 13 can self-lock at different positions to achieve sealing and drainage settings. This utility model embodiment features a novel structural design, convenient operation, perfect fit for seamless sinks, easy installation, high structural reliability, and a superior user experience.

[0073] Figure 1 A schematic diagram of the structure of a seamless water tank filter according to this utility model is shown; Figure 2 This is an exploded view of a seamless water tank filter according to an embodiment of the present invention; Figure 3 and Figure 4 This is a schematic diagram of the filter body and basket according to an embodiment of the present invention.

[0074] like Figure 1-4 As shown, the filter 100 of this utility model is specifically designed for seamless sinks. The filter 100 can be installed at the drain sleeve 300 of the seamless sink, and the end of the filter 100 can also be connected to a drain assembly 200 to discharge the wastewater of the seamless sink into the sewage pipe. This solves the problem that existing seamless sinks on the market lack a suitable filter when disconnected from a food waste disposer, which prevents the seamless sink from being used independently without a food waste disposer.

[0075] The filter 100 of this utility model includes at least an upper filter body 10 and a lower filter body 20, wherein the upper filter body 10 is detachably disposed directly above the lower filter body 20 in a vertical direction.

[0076] Specifically,

[0077] like Figure 3As shown, the filter body 10 includes a basket 11, a water sealing assembly 12, and a first connector 13. The basket 11 and the water sealing assembly 12 are fixedly connected by the first connector 13.

[0078] See Figure 3 and 4 The basket 11 of this utility model includes a basket handle 110, a filter screen 111, and a connecting part 112. Specifically, the basket handle 110 has a cap-shaped impact part 1101 and a grip part 1102, which are integrally formed with the filter screen 111 along a first direction (i.e., along the vertically upward direction), while the grip part 1102 is concave downward along the impact part 1101 to form an arc-shaped surface, which is convenient for the user to hold; on the other hand, the basket handle 110 is concave in a second direction (i.e., the vertically downward direction opposite to the first direction) to form a cylindrical cavity, namely the first accommodating cavity 1103.

[0079] The filter screen 111 has a disc-shaped structure with a mesh edge 1110 at the edge, and a number of filter holes 1111, such as fan-shaped holes or strip-shaped holes, are evenly distributed near the impact part 1101.

[0080] The connecting part 112 has a columnar structure and is embedded in the first accommodating cavity 1103. It is fixedly connected to the inner wall of the first accommodating cavity 1103 by means of adhesive connection or interference fit connection, for example. Furthermore, the bottom center of the connecting part 112 is provided with a first screw hole 1121 for connecting and fixing with the first connecting member 13.

[0081] According to an embodiment of the present invention, the water sealing component 12 includes a first metal gasket 120, a sealing ring 121, and a second metal gasket 122 stacked sequentially from top to bottom.

[0082] The first metal gasket 120 is funnel-shaped with a first opening 1201 at its center and a pressing edge structure around its perimeter. The sealing ring 121 can be a conical silicone sealing ring with an outer diameter larger than the diameter of the first metal gasket 120 and the second metal gasket 122. The second metal gasket 122 is generally disc-shaped with a second opening 1220 at its center and a trailing edge structure around its perimeter. During assembly, the conical part of the sealing ring 121 is placed between the pressing edge structure of the first metal gasket 120 and the trailing edge structure of the second metal gasket 122. The sealing assembly 12 is then fixed to the bottom of the connecting part 112 by passing through the second opening 1220, the silicone sealing ring 121, and the first opening 1201 sequentially from bottom to top via the first connecting member 13.

[0083] In addition, in order to reduce the use of filter components, simplify the structure, facilitate assembly, and effectively reduce manufacturing costs, this utility model designs another innovative solution for the filter body as an alternative to the aforementioned embodiments.

[0084] like Figure 5 and 6 As shown, the basket 11 includes a basket handle 110 and a filter screen 111; wherein, the basket handle 110 extends integrally with the filter screen 111 along a first direction to form an impact part and a grip part with a cap-shaped structure, and the basket handle 110 is recessed along a second direction to form a first mounting part 1103', which is configured to be fixedly connected and assembled with the water sealing assembly 12.

[0085] Specifically,

[0086] In this embodiment, the filter 111 has an overall disc-shaped structure and is evenly distributed with a number of filter holes.

[0087] The water sealing assembly 12' includes a water sealing ring 120' and a support member 121'; wherein,

[0088] The water-sealing ring 120' includes a fixing part 1201', a water-sealing part 1202', and a limiting part 1203', and has a through hole 1204' at its center. Preferably, the water-sealing ring 120' is made of a flexible material such as silicone or rubber.

[0089] The support member 121' has a hat-shaped structure, with a protrusion 1210' and a support 1211', and a first opening 1212' in the center. The size of the protrusion 1210' is adapted to the size of the through hole 1204' of the water sealing ring 120', and can be fitted into the through hole 1204' of the water sealing ring 120'. It is limited and fixed by the support 1211' and the limiting part 1203' of the water sealing ring 120'. For example, the protrusion 1210' passes through the through hole 1204' and is positioned by the support 1211' against the limiting part 1203'.

[0090] The first connector 13 connects the support 121' and the water sealing assembly 120' from bottom to top and then fixes them together at the first mounting part 1103' at the bottom of the basket 11.

[0091] According to one embodiment of the present invention, the first connecting member 13 is an integral vertical central shaft, which is configured with a first functional part 130 and a second functional part 131, wherein the diameter of the first functional part 130 is smaller than the diameter of the second functional part 131.

[0092] Specifically, the first functional part 130 has an external threaded part 1301 of a preset length, the outer surface of the second functional part 131 is smooth, and the tail end away from the first functional part 130 has a smooth part 1302 with a chamfered structure.

[0093] Furthermore, a limiting hole 1310 is opened at a preset position of the second functional part 131. The limiting hole 1310 can be a blind hole, in which a ball 1311 and a return spring 1312 are disposed. The diameter of the ball 1311 is larger than the diameter of the blind hole 1310, and one end of the return spring 1312 abuts against the side wall of the limiting hole 1310, and the other end abuts against the ball 1311, so that under normal conditions, the ball 1311 is always kept at least partially exposed from the limiting hole 1310 under the action of the return spring 1312, forming a self-locking structure.

[0094] This utility model enables the upper filter body 10 to be axially displaced relative to the lower filter body 20 through the second functional part 131 of the first connector 13, and the drainage volume of the filter or the purpose of sealing water can be adjusted by adjusting the relative distance between the two.

[0095] According to one embodiment of the present invention, such as Figure 7 and 8 As shown, the lower body 20 of the filter includes at least a flange body 21, a sealing element 22, a filter cover 23, and a second connecting element 24. The sealing element 22 is disposed within the annular cavity of the flange body 21, and the second connecting element 24 passes through the filter cover 23 and is fixedly connected to the flange body 21. A first connecting element 13 is movably inserted into the second connecting element 24, and the first connecting element 13 can self-lock at different positions relative to the second connecting element 24 to achieve sealing and drainage.

[0096] The flange body 21 of this utility model consists of a receiving part 210 and a threaded part 211. The receiving part 210 is fixedly connected to the filter cover 23 via a second connector 24, and the threaded part 211 is used for connecting an external drainage assembly 200.

[0097] Specifically, the receiving portion 210 has a hollow structure and includes a reduced diameter portion 2101, a transition portion 2102, and a straight-walled cylindrical portion 2103 extending from bottom to top. The inner wall of the reduced diameter portion 2101 is symmetrically provided with several connecting ribs 2104, for example, three connecting ribs. These three connecting ribs 2104 are symmetrically arranged and converge at the receiving platform 2105 at the center of the flange body 21. Furthermore, a second threaded hole 2106 is provided at the center of the receiving platform 2105 for threading and fixing with the second connecting member 24. In addition, the transition portion 2102 protrudes in a direction away from the threaded portion 211 to form a raised edge 2107. For example, the height of the protruding edge 2107 is less than the height of the straight-walled cylindrical portion 2103, and the protruding edge 2107 and the straight-walled cylindrical portion 2103 form the aforementioned annular cavity. The sealing member 22 is housed in the annular cavity, so that under external force, the sealing member 22 can be compressed and deformed in the annular space, thereby sealing and connecting the lower filter body 20 with the seamless water tank.

[0098] According to one embodiment of the present invention, the sealing member 22 is a rubber sealing ring, the radial wall thickness of which is less than the size of the annular cavity, and the axial length is greater than or equal to the height of the annular cavity.

[0099] In addition, to further ensure the sealing effect, a sealing gasket 25, such as a silicone gasket, is provided between the sealing component 22 and the bottom surface of the annular cavity.

[0100] According to one embodiment of the present invention, the filter cover 23 can be a disc-shaped cover structure made of stainless steel or other metal, having a cover edge 230, a central through hole 231, and a filter channel 232. The cover edge 230 is used to limit and fix the filter to the positioning part of the drain sleeve of the seamless water tank. The size of the central through hole 231 is adapted to the size of the second connecting member 24. The filter channel 232 is composed of several filter ribs 2320, which extend from one side of the cover edge 230 and converge at the central through hole 231. Preferably, there are three filter ribs 2320, distributed in a manner similar to the aforementioned connecting ribs 2104. During assembly, the filter ribs 2320 of the filter cover 23 can be vertically positioned directly above the connecting ribs 2104 of the receiving part 210. On the one hand, the metal filter cover has high structural strength and strong impact resistance, which can effectively prevent falling objects from directly impacting the flange body of the lower filter body, thus extending its service life. On the other hand, the filter rib structure of the filter cover and the connecting ribs of the flange body can form a two-stage filtration channel, which together with the basket of the upper filter body forms a first-stage filtration channel to perform two-stage filtration on the sewage entering the drain sleeve, resulting in good filtration effect and avoiding clogging. Furthermore, the filter cover is also used for assembly and fixation with the seamless water tank, and the sealing component is configured to abut and fix with the bottom retaining ring of the seamless water tank, so that an installation space is formed between the filter cover and the sealing component, which can change with the deformation of the sealing component.

[0101] For example, the positioning part of the seamless water tank fixes and limits the filter cover 23, the sealing member 22 is set between the bottom retaining ring of the seamless water tank and the flange body 21, and deforms under the locking force of the second connecting member 24, so that the filter lower body 20 and the seamless water tank are sealed to maintain the sealed connection between the filter lower body 20 and the seamless water tank. At the same time, the variable installation space can adapt to the installation of different models and sizes of downpipes, improving the adaptability of the filter.

[0102] According to one embodiment of this disclosure, the second connector 24 can be a threaded fastener, such as a threaded fastener with a central through hole 240. Exemplarily, the fastener can have a threaded connector 241 and a threaded body 242, wherein the threaded connector 241 can form a slotted or cross-shaped threaded interface, the outer wall surface of the threaded body 242 is provided with external threads, and the diameter of the central through hole 240 of the fastener is adapted to the diameter of the second functional part 131. For example, the diameter of the central through hole 240 of the fastener 24 is equal to or greater than the diameter of the second functional part 131, so that the first connector 13 can be inserted into the central through hole 240 and achieve self-locking. The external thread of the fastener is adapted to the second threaded hole 2106 for screwing in or out, thereby connecting and fixing the filter cover 23 to the flange body 21.

[0103] According to another embodiment of the present invention, a drainage assembly 200 is provided, which includes a filter 100 and a drainage kit 200, wherein the drainage kit 200 is detachably fixedly connected to the filter 100.

[0104] Specifically, the drainage kit 200 of this utility model includes at least a locking nut 201, an overflow gourd 202, an overflow cup 203, and a drain pipe 204. The locking nut 201 is configured such that one end is connected to the overflow gourd 202, and the other end is detachably connected and fixed to the lower filter body 20. Preferably, a conical washer can be provided between the locking nut 201 and the lower filter body 20. This conical washer can provide anti-loosening and locking functions through elastic deformation, while also balancing preload loss and compensating for the reliability of the connection pair.

[0105] The overflow hoist 202 includes at least an overflow hoist body, a main inlet 2020, an outlet 2021, and a drain outlet 2022. The main inlet 2020 is fixedly connected to the lower body 20 of the filter by means of a locking nut 201. The outlet 2021 is provided with a threaded structure and is detachably fixedly connected to the overflow cup 203 by means of a screw connection. The drain outlet 2022 and the drain pipe 204 can also be detachably fixedly connected, for example, the drain outlet 2022 is threaded and is fixedly connected to the drain pipe 204 by a threaded connection.

[0106] In addition, the overflow gourd 202 may also include an auxiliary water inlet 2023, and the number of auxiliary water inlets 2023 may be one or more. For example, there may be two auxiliary water inlets 2023; one auxiliary water inlet may be connected to the wastewater drain pipe of a water purifier, and the other auxiliary water inlet may be connected to the drain pipe of a dishwasher, or an overflow pipe, etc. Of course, those skilled in the art will understand that, depending on the actual needs of the situation, the auxiliary water inlet 2023 may be connected to only one drain pipe or not connected at all. In this case, to prevent sewage from overflowing from the auxiliary water inlet, this disclosure also provides an overflow plug 205, which can seal the auxiliary water inlet 2023 to prevent sewage from overflowing.

[0107] Preferably, an O-ring 206 can be provided between the outlet 2021 of the overflow gourd 202 and the overflow cup 203 of the present invention to ensure the sealing of the connection between the two.

[0108] According to another embodiment of the present invention, such as Figure 13 As shown, a seamless water tank is provided, including a seamless water tank body and a drainage assembly. The seamless water tank body includes at least a water tank outlet and a drain sleeve integrally extended from the outlet. The drainage assembly is disposed near the free end of the drain sleeve. The structure of the drainage assembly in this embodiment is the same as that described in any of the above embodiments, and will not be repeated here.

[0109] The above description is merely a preferred embodiment of this utility model and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of this utility model is not limited to the specific combination of the above-described technical features, but also includes other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the inventive concept. For example, technical solutions formed by substituting the above-described features with (but not limited to) technical features with similar functions disclosed in this utility model are all within the protection scope of this utility model.

Claims

1. A seamless water tank filter, characterized in that, include: The filter includes an upper body and a lower body, wherein the upper body is positioned above the lower body. The filter body includes a basket, a water sealing assembly, and a first connector, wherein the basket and the water sealing assembly are fixedly connected through the first connector; The lower body of the filter includes a flange body, a sealing element, a filter cover, and a second connecting element. The sealing element is disposed in the annular cavity of the flange body, and the second connecting element passes through the filter cover and is fixedly connected to the flange body. The first connector is movably inserted into the second connector, and the first connector can self-lock in different positions relative to the second connector to achieve sealing and drainage settings.

2. The seamless water tank filter according to claim 1, characterized in that: The basket includes a handle, a filter screen, and a connecting part, wherein... The basket handle extends integrally with the filter screen along the first direction to form an impact part and a grip part with a cap-shaped structure, and the basket handle is recessed in the second direction to form a first accommodating cavity. The filter screen has a disc-shaped structure and is evenly distributed with a number of filter holes; The connecting part is embedded in the first accommodating cavity, and a first screw hole is provided at the center of its bottom for connecting and fixing with the first connecting member.

3. The seamless water tank filter according to claim 2, characterized in that: The water-sealing assembly includes a first metal gasket, a sealing ring, and a second metal gasket stacked sequentially from top to bottom; wherein... The first metal gasket is in the shape of an inverted funnel, with a first opening in its center. The sealing ring is a silicone sealing ring with a conical structure. The second metal gasket is generally disc-shaped, and may have a second opening in its center. The first connector passes through the second opening, the silicone sealing ring, and the first opening from bottom to top, and then fixes the water sealing component to the bottom of the connector.

4. The seamless water tank filter according to claim 1, characterized in that: The basket includes a basket handle and a filter screen; wherein, the basket handle extends integrally with the filter screen along a first direction to form an impact part and a grip part with a cap-shaped structure, and the basket handle is recessed in a second direction to form a first mounting part, the first mounting part being configured to be fixedly connected to the water sealing component. The filter screen has a disc-shaped structure and is evenly distributed with a number of filter holes.

5. The seamless water tank filter according to claim 4, characterized in that: The water-sealing assembly includes a water-sealing ring and a support component; wherein... The water-sealing ring includes a fixing part, a water-sealing part, and a limiting part, and has a through hole in its center. The support member has a hat-shaped structure, with a protrusion and a support portion, and a first opening in the center. The protrusion is fitted into the through hole of the water-sealing ring, and is fixed and limited by the support portion and the limiting portion of the water-sealing ring. The first connector connects and fixes the support member and the water sealing component in series from bottom to top to the first mounting part.

6. The seamless water tank filter according to any one of claims 1 to 5, characterized in that: The first connector is an integral vertical central shaft, which is configured with a first functional part and a second functional part; wherein, the diameter of the first functional part is smaller than the diameter of the second functional part, the first functional part has an external thread structure of a preset length, the outer surface of the second functional part is smooth, and its tail portion away from the first functional part has a chamfer structure.

7. The seamless water tank filter according to claim 6, characterized in that: A limiting hole is opened at a preset position of the second functional part. A ball bearing with a diameter larger than the diameter of the limiting hole and a return spring are provided in the limiting hole, so that under normal conditions, the ball bearing is always kept at least partially exposed under the action of the return spring, forming a self-locking structure.

8. The seamless water tank filter according to claim 1, characterized in that: The flange body consists of a receiving part and a threaded part, wherein the receiving part is fixedly connected to the filter cover through the second connector, and the threaded part is used for connecting an external drainage assembly.

9. The seamless water tank filter according to claim 8, characterized in that: in, The receiving part has a hollow structure, including a narrowed section, a transition section, and a straight-walled cylindrical section extending from bottom to top.

10. The seamless water tank filter according to claim 9, characterized in that: The inner wall of the reduced diameter section is symmetrically provided with several connecting ribs, which converge at the receiving platform at the center of the flange body. The receiving platform has a second bolt hole at its center.

11. The seamless water tank filter according to claim 7 or 8, characterized in that: The transition portion protrudes in a direction away from the threaded portion to form a raised edge, and the raised edge and the straight-walled cylindrical portion form the annular cavity, and the sealing member is housed in the annular cavity.

12. The seamless water tank filter according to any one of claims 8 to 10, characterized in that: The sealing element is a rubber sealing ring, and the wall thickness of the rubber sealing ring is smaller than the size of the annular cavity.

13. The seamless water tank filter according to claim 12, characterized in that: A sealing gasket is also provided between the sealing component and the bottom surface of the annular cavity.

14. The seamless water tank filter according to claim 1, characterized in that: The filter cover is a disc-shaped cover structure with a cover edge, a central through hole, and a filter channel.

15. The seamless water tank filter according to claim 10, characterized in that: The second connector is a fastener with a central through hole; wherein, the outer wall surface of the fastener is provided with an external thread, the diameter of the central through hole is adapted to the diameter of the second functional part, and the external thread of the fastener is adapted to the second screw hole.

16. The seamless water tank filter according to claim 1, characterized in that: in, The filter cover is used to assemble and fix with the seamless water tank, and the sealing member is configured to abut and fix with the bottom retaining ring of the seamless water tank, so that an installation space is formed between the filter cover and the sealing member.

17. The seamless water tank filter according to claim 16, characterized in that: The positioning part of the seamless water tank limits and fixes the filter cover. The sealing member is set between the bottom retaining ring of the seamless water tank and the flange body, and deforms under the locking force of the second connecting member, so that the lower body of the filter and the seamless water tank are sealed together.

18. A drainage assembly, characterized in that, It includes a filter and a drain kit, the drain kit being connected and fixed to the filter, wherein the filter is a seamless sink filter as described in any one of claims 1 to 17.

19. The drainage assembly according to claim 18, characterized in that: in, The drainage kit includes at least a lock nut, an overflow gourd, an overflow cup, and a drain pipe.

20. The drainage assembly according to claim 19, characterized in that: The locking nut is configured to be detachably connected and fixed to the lower body of the filter.

21. The drainage assembly according to claim 20, characterized in that: A conical washer is provided between the locking nut and the lower body of the filter.

22. The drainage assembly according to claim 19, characterized in that: The overflow hoist includes at least a main inlet, an outlet, and a drain outlet. The main inlet is fixedly connected to the lower body of the filter by means of a locking nut. The outlet is detachably fixedly connected to the overflow cup, and the drain outlet is detachably fixedly connected to the drain pipe.

23. The drainage assembly according to claim 22, characterized in that: The overflow hoist also includes an auxiliary water inlet, and the number of auxiliary water inlets is one or more.

24. The drainage assembly according to claim 23, characterized in that: The number of auxiliary water inlets is two.

25. The drainage assembly according to claim 22 or 23, characterized in that, The overflow hoist also includes an overflow plug, configured to block the auxiliary water inlet.

26. The drainage assembly according to claim 22, characterized in that: An O-ring is also provided between the water outlet and the overflow cup.

27. The drainage assembly according to claim 22, characterized in that: The drain outlet is threaded and is fixed to the drain pipe by thread.

28. A seamless water tank, characterized in that, The system includes a seamless water tank body and a drainage assembly, wherein the seamless water tank body includes at least a water tank drain outlet and a drain sleeve integrally extended from the drain outlet, and the drainage assembly is disposed near the free end of the drain sleeve. The drainage assembly is the drainage assembly described in any one of claims 18 to 27.

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