A biased drainer
By designing an offset drain assembly structure and switch components, the problem of numerous dead corners in traditional drain filter structures is solved, achieving convenient cleaning and anti-clogging effects.
Patent Information
- Application Number
- CN202522695478.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-19
- Publication Date
- 2026-11-03
- Estimated Expiration
- 2035-12-19
AI Technical Summary
Traditional drain filters have many dead corners that are difficult to clean, leading to the accumulation of hair, oil, and other impurities, creating areas that trap dirt and grime, and making maintenance inconvenient.
Design an offset drainer with a filter basket that adopts an openable and movable assembly structure, equipped with a switch assembly, and a flap that achieves controllable opening and closing through hinges and limiting parts to avoid dead angles. An offset layout is set to prevent clogging.
It improves cleaning convenience, reduces cleaning dead spots, lowers the risk of internal filter clogging, and enhances the degree of cleaning cleanliness.
Smart Images
Figure CN224931147U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of kitchen and bathroom technology, and in particular to an offset drain. Background Technology
[0002] Traditional drain filter screens mostly adopt an integrated fixed structure. Although the structure is simple and easy to manufacture, this design also has obvious and unavoidable defects. The integrated filter screen has many dead corners, especially the corners inside the filter screen, where hair, oil and other impurities easily accumulate, forming dirt and grime traps that are difficult to clean and extremely inconvenient for daily maintenance. Therefore, this utility model provides a drain filter screen structure with an openable bottom plate, which can solve the above-mentioned technical problems. Utility Model Content
[0003] To solve the above-mentioned technical problems, this utility model proposes a drain structure that is easy to clean and not prone to clogging.
[0004] An offset drain device includes a filter basket, specifically... The water filter basket includes a filter screen body, a flap, and a switch assembly, wherein... The filter body is tubular, with a water inlet at the top and an open opening at the bottom. The filter body has an offset mounting cavity for mounting the switch assembly.
[0005] The flap is located at the bottom of the filter body and is hinged to the filter body at one end. The flap can block or open the opening of the filter body by swinging, so as to avoid dead corners during cleaning.
[0006] The switch assembly includes a movable component and an operating component. The movable component is movably installed in the mounting cavity and has a limiting part extending to the opening. The limiting part locks the flap when the flap is blocking the opening, thereby preventing the flap from separating from the opening of the filter body. The operating component is movably installed in the mounting cavity and exposed for user use. The operating component releases the flap by the limiting part of the movable component through the user's unlocking operation. Thus, when needed, the user can release the flap and open the opening through the switch assembly.
[0007] The offset drainer provided by this utility model has a filter basket with an openable and movable assembly structure at the bottom plate, and is equipped with a switch assembly to restrict the opening and closing state of the flap. This allows the bottom of the filter screen to be opened during cleaning, which facilitates cleaning and reduces the presence of cleaning dead corners and dirt accumulation, thus improving the cleanliness of the cleaning process. In addition, the offset layout of the switch assembly can prevent the formation of a ring-shaped space that is prone to clogging inside the filter basket.
[0008] Preferably, the limiting part is a limiting hook, which is close to the opening and hooks the side of the flap when the flap is blocking the opening. The structure is simple and the limiting effect is good.
[0009] Preferably, the movable component is movably installed in the mounting cavity by sliding or swinging. The switch assembly also includes a reset component, which provides a force to the limit hook to reset in the direction of the opening, thereby preventing the limit hook from automatically disengaging.
[0010] Preferably, the movable component is slidably installed within the mounting cavity, and has an extension rod at its bottom. The bottom end of the extension rod extends from the bottom opening of the mounting cavity and is fitted with a limiting part. The mounting cavity has a top opening, and the operating component is a button, which is slidably installed at the top opening and assembled with the movable component by screws or snap-fits. The reset component is a spring, which is compressed and installed between the top opening and the operating component, providing an upward reset force for the movable component and the operating component. During cleaning, the operating component presses down, causing the limiting hook to move downward and releasing the flap.
[0011] Preferably, the movable component is horizontally slidably installed within the mounting cavity, and has an extension rod at its bottom. The bottom end of the extension rod extends from the bottom opening of the mounting cavity and is provided with the limiting part. The mounting cavity has an inner side opening on the side facing the inner side of the filter body. The operating component is a button, horizontally movably installed at the inner side opening, and is integrally formed or assembled with the movable component. The reset component is a spring, compressed and installed between the inner side opening and the operating component, providing a reset force for the movable component and the operating component to move inwards towards the filter body. The operating component releases the flap by pressing and moving the limiting hook outwards towards the filter body.
[0012] Preferably, the movable component is oscillatingly mounted within the mounting cavity, with its oscillation axis parallel to the rotation axis of the flap. The bottom of the movable component has an extension rod, the bottom end of which extends from the bottom opening of the mounting cavity and is fitted with a limiting portion. The mounting cavity has an outer side opening facing the outer side of the filter body. The operating component is a lever, movably mounted at the outer side opening and integrally formed or assembled with the top of the movable component. The reset component is a spring, compressed and mounted between the outer side opening and the operating component, providing a reset force to the extension rod to rotate inwards towards the filter body. The operating component releases the flap by oscillating the limiting hook outwards towards the filter body via an upward lever.
[0013] Preferably, the mounting cavity is open on the side facing the outer periphery of the filter body. The movable component is oscillatingly mounted within the mounting cavity, with its oscillation axis parallel to the rotation axis of the flap. The movable component is generally L-shaped, with one end being an extension rod. The bottom end of the extension rod extends from the bottom opening of the mounting cavity and is provided with the limiting part. The other end of the movable component is a driving rod, which is integrally formed or assembled with the operating component. The operating component extends to the periphery of the filter body and releases the flap by swaying the limiting hook outwards from the filter body through an upward push. The reset component is a torsion spring and is installed between the movable component and the mounting cavity. Alternatively, the reset component is a pair of magnetic blocks, respectively installed between the extension rod and the mounting cavity, and arranged opposite to each other. The reset component provides a reset force to the extension rod to rotate inwards towards the filter body.
[0014] Preferably, the offset drain further includes a cup body, a spring-loaded mechanism, and a sealing component. The cup body has a water outlet in its center. The spring-loaded mechanism includes a spring-loaded top cover and a base, with the base offset within the cup body, away from the water outlet. The filter basket is inserted into the cup body, and the top cover of the spring-loaded mechanism is inserted into the mounting cavity of the filter basket, holding it in place. The sealing component is assembled with the top cover of the spring-loaded mechanism via a connecting rod and is located at the top of the water outlet. The bottom surface of the flap has a protrusion in the center, and the bottom surface of the protrusion abuts against the top surface of the connecting rod. The filter basket, when pressed, causes the spring-loaded mechanism to extend and retract, which in turn causes the sealing component to block or open the water outlet, thereby achieving water storage or drainage in the tank.
[0015] Preferably, the top of the mounting cavity is provided with a clearance opening, and the top of the top cover is provided with a pressing post extending from the clearance opening. This allows the spring-loaded mechanism to be directly pressed via the pressing post, and also further restricts the water filter basket by the pressing post and the clearance opening, preventing it from shaking during use. The spring-loaded mechanism and the cup body are securely assembled using threads or screws.
[0016] Preferably, the filter body has peripheral water filtration holes on its periphery. The peripheral water filtration holes are strip-shaped and open on one side, communicating with the open opening. During washing, hair wrapped around the peripheral water filtration holes can be directly removed from top to bottom. And / or, the flap has bottom water filtration holes. The bottom water filtration holes are strip-shaped and open on one side, with the open end away from the hinged end of the flap. During washing, hair wrapped around the bottom water filtration holes can be directly removed from one end to the other.
[0017] As can be seen from the above description of this utility model, this utility model has the following beneficial effects: The offset drainer provided by this utility model has a filter basket with an openable and movable assembly structure on the bottom plate and a switch assembly that can limit the opening and closing state of the flap. This allows the bottom of the filter screen to be opened during cleaning, which facilitates cleaning and prevents the presence of cleaning dead corners and dirt accumulation, thus improving the cleanliness of the cleaning process. The offset drainer provided by this utility model has an offset layout for its switch assembly, which can prevent the formation of an easily clogged annular space in the internal space of the filter basket. The limiting part is a limiting hook, which can hook onto the side of the flip plate. It has a simple structure and a good limiting effect. The movable component can be installed in the mounting cavity by sliding or swinging, and the design scheme is flexible and can be selected according to actual needs. Attached Figure Description
[0018] The accompanying drawings, which are provided to further illustrate the present invention and constitute a part of the present invention, illustrate exemplary embodiments of the present invention and are used to explain the present invention, but do not constitute an undue limitation of the present invention.
[0019] in: Figure 1 It is an axonometric view of the filter basket. Figure 1 ; Figure 2 It is an axonometric view of the filter basket. Figure 2 ; Figure 3 It is a split of an offset drain assembly Figure 1 ; Figure 4 A cross-section of an offset drain assembly Figure 1 ; Figure 5 It is an axonometric view of the filter basket. Figure 3 ; Figure 6 It is an axonometric view of the filter basket. Figure 4 ; Figure 7 It is a split of an offset drain assembly Figure 2 ; Figure 8 It is a split of an offset drain assembly Figure 3 ; Figure 9 A cross-section of an offset drain assembly Figure 2 ; Figure 10 It is an axonometric view of the filter basket. Figure 5 ; Figure 11 It is an axonometric view of the filter basket. Figure 6 ; Figure 12 It is a split of an offset drain assembly Figure 4 ; Figure 13 It is a split of an offset drain assembly Figure 5 ; Figure 14 It is a split of an offset drain assembly Figure 6 ; Figure 15 A cross-section of an offset drain assembly Figure 3 ; Figure 16 A cross-section of an offset drain assembly Figure 4 ; Figure 17 It is an axonometric view of the filter basket. Figure 7 ; Figure 18 It is an axonometric view of the filter basket. Figure 8 ; Figure 19 It is a split of an offset drain assembly Figure 7 ; Figure 20 A cross-section of an offset drain assembly Figure 5 ; Figure 21 It is an axonometric view of the filter basket. Figure 9 ; Figure 22 It is an axonometric view of the filter basket. Figure 10 ; Figure 23 It is a split of an offset drain assembly Figure 8 ; Figure 24 It is a split of an offset drain assembly Figure 9 Figure 25 A cross-section of an offset drain assembly Figure 6 ; Figures 1 to 25 The markings are as follows: 1. Filter basket, 11. Filter body, 111. Opening, 112. Mounting cavity, 1121. Top opening, 1122. Inner side opening, 1123. Outer side opening, 1124. Flip plate, 12. Protrusion, 121. Switch assembly, 13. Moving part, 131. Limiting part, 1311. Extension rod, 1312. Driving rod, 1313. Operating part, 132. Spring, 133. Torsion spring, 134. Magnetic block, 135. Cup body, 2. Bounce mechanism, 3. Top cover, 31. Pressing column, 311. Base, 32. Sealing part, 4. Connecting rod, 5. Detailed Implementation
[0020] To make the technical problem to be solved, the technical solution, and the beneficial effects of this utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.
[0021] Please see Figures 1 to 25 An offset drain device includes a filter basket 1, specifically... The water filter basket 1 includes a filter screen body 11, a flap 12, and a switch assembly 13, wherein, The filter body 11 is tubular, with a water inlet at the top and an open opening 111 at the bottom. The filter body 11 is provided with an offset mounting cavity 112 for mounting the switch assembly 13.
[0022] The flap 12 is located at the bottom of the filter body 11, and one end is hinged to the filter body 11. The flap 12 can block or open the opening 111 of the filter body 11 by swinging, so as to avoid dead corners during cleaning.
[0023] In one embodiment, the filter body 11 has peripheral water filter holes on its periphery. The peripheral water filter holes are strip-shaped and open on one side, communicating with the open opening 111. During washing, the hair wrapped around the peripheral water filter holes can be directly removed from top to bottom. And / or, the flap 12 has bottom water filter holes. The bottom water filter holes are strip-shaped and open on one side, with the open end away from the hinged end of the flap 12. During washing, the hair wrapped around the bottom water filter holes can be directly removed from one end to the other.
[0024] The switch assembly 13 includes a movable member 131 and an operating member 132. The movable member 131 is movably installed in the mounting cavity 112 and has a limiting part 1311 extending to the opening 111. The limiting part 1311 locks the flap 12 in the state where the flap 12 blocks the opening 111, thereby preventing the flap 12 from separating from the opening 111 of the filter body 11. The operating member 132 is movably installed in the mounting cavity 112 and exposed for user use. The operating member 132 releases the flap 12 by the limiting part 1311 of the movable member 131 through the user's unlocking operation. Thus, when needed, the user can release the flap 12 and open the opening 111 through the switch assembly 13.
[0025] Preferably, the limiting part 1311 is a limiting hook, located near the open opening 111, and hooks the side of the flap 12 when the flap 12 is blocking the open opening 111. This design is simple and provides good limiting effect. Furthermore, the end of the limiting hook has a bevel. During the closing process of the flap 12, the flap 12 can press the bevel to retract the limiting hook. When the flap 12 is fully closed, the limiting hook automatically resets and hooks the flap 12 again, facilitating the closing of the flap 12.
[0026] In addition, the movable part 131 is movably installed in the mounting cavity 112 by sliding or swinging. The switch assembly 13 also includes a reset part, which provides a force to the limit hook to reset in the direction of the open opening 111, so as to prevent the limit hook from automatically disengaging.
[0027] Please see Figures 1 to 4 In one embodiment, the movable component 131 is slidably installed within the mounting cavity 112, and has an extension rod 1312 at its bottom. The extension rod 1312 fits against the inner wall of the mounting cavity 112, and its bottom end extends from the bottom opening of the mounting cavity 112, where the limiting part 1311 is provided. The top of the mounting cavity 112 has a top opening 1121, and the operating component 132 is a button, which is movably installed at the top opening 1121 and assembled with the movable component 131 by screws or snaps (the top opening 1121 and the main body of the mounting cavity 112 are connected by a constriction hole). In this embodiment, the reset component is a spring 133, which is compressed and installed between the top opening 1121 and the operating component 132, providing an upward reset force for the movable component 131 and the operating component 132. During cleaning, the operating component 132 presses down to move the limiting hook downward and release the flap 12.
[0028] Please see Figures 5 to 9 In one embodiment, the movable component 131 is horizontally slidably installed in the mounting cavity 112, and has an extension rod 1312 at its bottom. The bottom end of the extension rod 1312 extends out from the bottom opening of the mounting cavity 112 and is provided with the limiting part 1311. The mounting cavity 112 has an inner side opening 1122 on the side facing the inner side of the filter body 11. The operating component 132 is a button, which is horizontally (through the protrusions on both sides of the button and the horizontal strip holes on both sides of the inner side opening 1122) and is movably installed at the inner side opening 1122, and is integrally formed or assembled with the movable component 131. The reset component is a spring 133, which is compressed and installed between the inner side opening 1122 and the operating component 132 to provide a reset force for the movable component 131 and the operating component 132 to move inward of the filter body 11. The operating component 132 releases the flap 12 by pressing and moving the limiting hook outward of the filter body 11.
[0029] Please see Figures 17 to 20 In one embodiment, the movable member 131 is oscillatingly mounted within the mounting cavity 112, with its oscillation axis parallel to the rotation axis of the flap 12. An extension rod 1312 is provided at the bottom of the movable member 131, with its bottom end extending from the bottom opening of the mounting cavity 112 and fitted with a limiting part 1311. The mounting cavity 112 has an outer side opening 1123 on its side facing the filter body 11. The operating member 132 is a lever, movably mounted at the outer side opening 1123, and integrally formed or assembled with the top of the movable member 131. The reset member is a spring 133, compressed and mounted between the outer side opening 1123 and the operating member 132, providing a reset force for the extension rod 1312 to rotate inward toward the filter body 11. The operating member 132 releases the flap 12 by oscillating the limiting hook outward toward the filter body 11 through an upward lever.
[0030] Please see Figures 21 to 25 In one embodiment, the mounting cavity 112 is open on the outer periphery of the filter body 11. The movable member 131 is oscillatingly mounted in the mounting cavity 112, and the oscillation axis is parallel to the rotation axis of the flap 12. The movable member 131 is generally L-shaped, with one end being an extension rod 1312. The bottom end of the extension rod 1312 extends out from the bottom opening of the mounting cavity 112 and is provided with the limiting part 1311. The other end of the movable member 131 is a driving rod 1313, which is integrally formed or assembled with the operating member 132. The operating member 132 extends to the periphery of the filter body 11 and releases the flap 12 by swaying the limiting hook outward from the filter body 11 through an upward push. The reset element is a torsion spring 134, which is installed between the movable part 131 and the mounting cavity 112. Alternatively, the reset element is a pair of magnetic blocks 135, which are respectively installed between the extension rod 1312 and the mounting cavity 112 and are arranged opposite to each other. The reset element provides the extension rod 1312 with a reset force to rotate inward toward the filter body 11.
[0031] Based on the above embodiments, the offset drain further includes a cup body 2, a spring mechanism 3, and a sealing component 4. The cup body 2 has a water outlet in its center. The spring mechanism 3 includes a spring-loaded top cover 31 and a base 32 (it should be noted that the spring-loaded telescopic mounting structure between the top cover 31 and the base 32 is existing technology and will not be described further here). The base 32 of the spring mechanism 3 is offset within the cup body 2, staggered from the water outlet. The filter basket 1 is inserted into the cup body 2, and the top cover 31 of the spring mechanism 3 is inserted into the mounting cavity 112 of the filter basket 1, pressing against the filter basket 1. The sealing component 4 is assembled with the top cover 31 of the spring mechanism 3 via a connecting rod 5 and is located at the top of the water outlet. The bottom surface of the flap 12 has a protrusion 121 in its center, and the bottom surface of the protrusion 121 abuts against the top surface of the connecting rod 5. The filter basket 1 is activated by pressing to extend and retract the spring mechanism 3. The spring mechanism 3 extends and retracts to activate the sealing component 4 to seal or open the water outlet, thereby enabling the water tank to store or drain water.
[0032] Regarding the mounting cavity 112, preferably, to reduce the molding difficulty of the mounting cavity 112, the mounting cavity 112 is formed by a groove that is concave inward around the periphery of the filter body 11, and the bottom is open. Please refer to [link / reference]. Figure 19 and Figure 20 In one embodiment, the top of the mounting cavity 112 is provided with a clearance opening 1124, and the top of the top cover 31 is provided with a pressing post 311 extending from the clearance opening 1124. This allows the spring-loaded mechanism 3 to be directly pressed through the pressing post 311, and also further restricts the water filter basket 1 through the pressing post 311 and the clearance opening 1124, preventing it from shaking during use. The spring-loaded mechanism 3 and the cup body 2 are fixedly assembled by threads or screws, ensuring a secure assembly. It should be noted that for smooth installation of the spring-loaded mechanism 3 with the pressing post 311, if the structure of the movable part 131 obstructs the clearance opening 1124, the movable part 131 must also have an opening or notch communicating with the clearance opening 1124 to allow the pressing post 311 to pass through smoothly.
[0033] The offset drainer provided by this utility model has a filter basket 1 with an openable and movable assembly structure on its bottom plate, and is equipped with a switch assembly 13, which can restrict the opening and closing state of the flap 12. Thus, during cleaning, the bottom of the filter screen can be opened, which on the one hand facilitates cleaning, and on the other hand, it is not easy to have cleaning dead corners, and it is not easy to accumulate dirt, thereby improving the cleanliness. In addition, the switch assembly 13 adopts an offset layout, which can prevent the internal space of the filter basket 1 from forming an annular space that is easy to clog.
[0034] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to 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.
[0035] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.
[0036] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0037] In this utility model, unless otherwise explicitly 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.
[0038] In this utility model, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Furthermore, 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.
[0039] Although the above embodiments have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Any changes, modifications, substitutions and variations made to the above embodiments by those skilled in the art are within the protection scope of the present invention.
Claims
1. An offset drain assembly, characterized in that, Includes a water filter basket; The filter basket includes a filter screen body, a flap, and a switch assembly; The filter body is tubular, with a water inlet at the top and an open opening at the bottom. The filter body is provided with an offset mounting cavity. The flap is located at the bottom of the filter body and is hinged to the filter body at one end. The flap can block or open the opening of the filter body by swinging. The switch assembly includes a movable component and an operating component. The movable component is movably installed in the mounting cavity and has a limiting part extending to the open opening. The limiting part locks the flap when the flap is blocking the open opening. The operating component is movably installed in the mounting cavity and exposed. The operating component releases the flap by driving the limiting part of the movable component through an unlocking operation.
2. The offset drain assembly according to claim 1, characterized in that, The limiting part is a limiting hook, which is close to the opening and hooks the side of the flap when the flap is blocking the opening.
3. An offset drain assembly according to claim 2, characterized in that, The movable component is movably installed in the mounting cavity by sliding or swinging. The switch assembly also includes a reset component, which provides a force to the limit hook to reset in the direction of the opening.
4. An offset drain assembly according to claim 3, characterized in that, The movable component is slidably installed in the mounting cavity, and has an extension rod at the bottom. The bottom end of the extension rod extends from the bottom opening of the mounting cavity and is provided with the limiting part. The top of the mounting cavity has a top opening. The operating component is a button, which is slidably installed at the top opening and assembled with the movable component by screws or buckles. The reset component is a spring, which is compressed and installed between the top opening and the operating component to provide an upward reset force for the movable component and the operating component. The button moves the limiting hook downward and releases the flip plate when pressed down.
5. An offset drain assembly according to claim 3, characterized in that, The movable component is horizontally slidably installed in the mounting cavity, and has an extension rod at its bottom. The bottom end of the extension rod extends from the bottom opening of the mounting cavity and is provided with the limiting part. The mounting cavity has an inner side opening on the side facing the inner side of the filter body. The operating component is a button, which is horizontally movably installed at the inner side opening and is integrally formed or assembled with the movable component. The reset component is a spring, which is compressed and installed between the inner side opening and the operating component to provide a reset force for the movable component and the operating component to move inward of the filter body. The button releases the flap by moving the limiting hook outward of the filter body when pressed.
6. An offset drain assembly according to claim 3, characterized in that, The movable component is oscillatingly installed within the mounting cavity, with its oscillation axis parallel to the rotation axis of the flap. An extension rod is provided at the bottom of the movable component, with its bottom end extending from the bottom opening of the mounting cavity and fitted with a limiting part. The mounting cavity has an outer side opening facing the outer side of the filter body. The operating component is a lever, movably disposed at the outer side opening and integrally formed or assembled with the top of the movable component. The reset component is a spring, compressed and installed between the outer side opening and the operating component, providing a reset force for the extension rod to rotate inwards towards the filter body. The lever releases the flap by oscillating the limiting hook outwards towards the filter body via an upward lever.
7. An offset drain assembly according to claim 3, characterized in that, The mounting cavity is open on the side facing the outer periphery of the filter body. The movable component is oscillatingly mounted in the mounting cavity, and the oscillation axis is parallel to the rotation axis of the flap. The movable component is generally L-shaped, with one end being an extension rod. The bottom end of the extension rod extends from the bottom opening of the mounting cavity and is provided with the limiting part. The other end of the movable component is a driving rod, which is integrally formed or assembled with the operating component. The operating component extends to the periphery of the filter body and releases the flap by swaying the limiting hook to the outside of the filter body through an upward push. The reset component is a torsion spring and is installed between the movable component and the mounting cavity. Alternatively, the reset component is a pair of magnetic blocks and is installed between the extension rod and the mounting cavity respectively, and is arranged opposite to each other. The reset component provides a reset force for the extension rod to rotate inward toward the inside of the filter body.
8. An offset drain assembly according to claim 1, characterized in that, The offset drain also includes a cup body, a spring-loaded mechanism, and a sealing component; the cup body has a water outlet in the middle; the spring-loaded mechanism includes a spring-loaded top cover and a base, the base of the spring-loaded mechanism being offset within the cup body and offset from the water outlet; the filter basket is installed inside the cup body, the top cover of the spring-loaded mechanism is inserted into the mounting cavity of the filter basket and holds the filter basket in place; the sealing component is assembled with the top cover of the spring-loaded mechanism via a connecting rod and is located at the top of the water outlet, the bottom surface of the flap has a protrusion in the middle, the bottom surface of the protrusion abuts against the top surface of the connecting rod; the filter basket, when pressed, drives the spring-loaded mechanism to extend and retract, and the spring-loaded mechanism, through extension and retraction, drives the sealing component to seal or open the water outlet.
9. An offset drain assembly according to claim 8, characterized in that, The top of the mounting cavity is provided with a clearance opening, and the top of the top cover is provided with a pressing post that extends from the clearance opening; the spring mechanism and the cup body are fixedly assembled by threads or screws.
10. An offset drain assembly according to claim 1, characterized in that, The filter body has peripheral water filtration holes on its periphery. The peripheral water filtration holes are strip-shaped and open on one side, communicating with the open opening. And / or, the flap has bottom water filtration holes. The bottom water filtration holes are strip-shaped and open on one side, with the open end away from the end of the flap that is hinged to it.