Drainage assembly for kitchen waste processor and kitchen waste processor

Abstract

The utility model relates to a water drainage assembly for a kitchen waste processor and the kitchen waste processor, and the water drainage assembly comprises a water drainage elbow and a water drainage pipe, the drainage elbow pipe is provided with a transverse section which extends outwards relative to a discharge hole in the side wall of the kitchen waste processor, an arc-shaped section which is gradually bent downwards from the outer end of the transverse section, and a vertical section which extends downwards from the lower end of the arc-shaped section; the vertical section is connected with a first connecting pipe and a second connecting pipe which extend upwards in an inclined mode, the lower end of the first connecting pipe and the lower end of the second connecting pipe are opened in the pipe wall of the vertical section at intervals in the circumferential direction, and the upper end of the first connecting pipe and the upper end of the second connecting pipe are used for external drained water to enter. Compared with the prior art, the drainage device is beneficial to drainage.

Description

Technical Field

[0001] The utility model belongs to the technical field of garbage disposal, and in particular relates to a drainage component for a kitchen waste disposer and a kitchen waste disposer. Background Art

[0002] The general structure of existing food waste disposers is similar, including a casing with a feed port and a discharge port, a crushing element arranged in the casing, and a driving mechanism for driving the crushing element to work. The crushing element can crush the food waste entering from the feed port under the drive of the driving mechanism, and the crushed waste passes through the discharge port of the casing together with the water flow and enters the drainage pipe for discharge.

[0003] Currently, the food waste disposers on the market are used together with household appliances such as dishwashers and water purifiers. For example, the overflow and forced discharge outlet of the dishwasher are connected to the drainage pipe of the garbage disposer. Specifically, the Chinese utility model patent "A water inlet system for a food waste disposer" with patent number 202320440031.3 and authorization announcement number CN219863142U includes a sink and a garbage disposer installed at the bottom of the sink, the feeding port of the garbage disposer is connected to the drain outlet at the bottom of the sink, the discharge port of the garbage disposer is externally connected to a drain pipe, and a water inlet assembly and a water inlet valve are installed on the outside of the sink. The water inlet assembly has a water inlet, a water outlet, an overflow and a drain, the outlet of the water inlet valve is connected to the water inlet through the water inlet pipe, the water inlet is connected to the inside of the sink through the water outlet, the inside of the sink is connected to the drain outlet through the overflow, and the drain outlet is connected to the drain pipe through the overflow pipe.

[0004] When household appliances and food waste disposers share a drainage pipe, the following technical problems exist:

[0005] 1. The drainage of household appliances and the drainage of food waste disposers will interfere with each other;

[0006] 2. Due to the high drainage pressure of the food waste disposer, there is a situation where the water discharged from the food waste disposer flows back into household appliances such as dishwashers and water purifiers. Utility Model Content

[0007] The first technical problem to be solved by the utility model is to provide a drainage component for a kitchen waste disposer which is conducive to drainage in view of the current status of the prior art.

[0008] The second technical problem to be solved by the present invention is to provide a kitchen waste disposer having the above-mentioned drainage component.

[0009] The technical solution adopted by the utility model to solve the above-mentioned first technical problem is: a drainage component for a kitchen waste disposer, comprising:

[0010] A drainage elbow, along the flow direction of the water flow, the drainage elbow having a transverse section extending outward relative to the discharge port on the side wall of the food waste disposer, an arc section gradually bending downward from the outer end of the transverse section, and a vertical section extending downward from the lower end of the arc section;

[0011] Features:

[0012] The vertical section is connected with a first connecting pipe and a second connecting pipe extending obliquely upward. The lower ends of the first connecting pipe and the second connecting pipe are opened on the pipe wall of the vertical section at circumferential intervals respectively, and the upper ends of the first connecting pipe and the second connecting pipe are for external drainage to enter.

[0013] During use, external drainage enters the vertical section of the drainage elbow through the first and second connecting pipes, and the water in the food waste disposer enters the vertical section through the transverse section and the arc section of the drainage elbow in turn, and is finally discharged from the vertical section together. During the whole process, the influence of external drainage on the drainage of the food waste disposer can be reduced; at the same time, since the vertical section is relatively far away from the discharge port of the food waste disposer, the first connecting pipe and the second connecting pipe are arranged on the vertical section to reduce the risk of water discharged from the food waste disposer through the discharge port backflowing into the first and second connecting pipes.

[0014] Preferably, the first connecting pipe and the second connecting pipe are arranged at an angle, and the angle is greater than 90° and less than 180°.

[0015] Preferably, the inner diameter of the first connecting pipe and the inner diameter of the second connecting pipe are both smaller than the inner diameter of the vertical section of the drainage elbow.

[0016] Preferably, the drainage elbow comprises:

[0017] A first deformable corrugated pipe forms the upper part of the transverse section, the arc section and the vertical section of the drainage elbow;

[0018] The downpipe is vertically arranged below the first corrugated pipe as the lower part of the vertical section. The upper end of the downpipe is connected to the lower end of the first corrugated pipe through a vertically arranged main pipe of a four-way joint. The two branch pipes of the four-way joint are the above-mentioned first connecting pipe and second connecting pipe.

[0019] In the above solutions, preferably, the upper end of the first connecting pipe is used to connect to the overflow pipe of the dishwasher; the upper end of the second connecting pipe is used to connect to the forced exhaust pipe of the dishwasher.

[0020] In order to further prevent the water discharged from the food waste disposer through the discharge port from flowing back into the first connecting pipe, preferably, a first one-way valve is further included, which is arranged at the lower end of the first connecting pipe or a position adjacent to the lower end to cut off the passage between the first connecting pipe and the drainage elbow, and the first one-way valve is arranged to be opened under the action of the drainage flowing downward in the first connecting pipe. In this way, the first one-way valve can prevent the water from the food waste disposer from flowing back into the first connecting pipe, and does not affect the outflow of drainage in the first connecting pipe.

[0021] Preferably, the first one-way valve includes an elastic first valve plate, an edge portion on one side of the first valve plate is fixed relative to the first connecting pipe, the main body of the first valve plate is horizontally blocked in the first connecting pipe, and can rotate relative to the edge portion under the action of downward drainage to connect the passage between the first connecting pipe and the drainage elbow.

[0022] To avoid water leakage, preferably, a sealing ring is further included, which is arranged at the upper end of the first connecting pipe, and at least a part of the outer circumference of the sealing ring is in contact with the inner wall of the first connecting pipe, and the inner circumference of the sealing ring is used to be in contact with the outer side of the overflow pipe. Thus, the setting of the sealing ring can prevent water leakage at the connection between the overflow pipe and the first connecting pipe. And the setting of the sealing ring can prevent the overflow pipe from accidentally detaching from the first connecting pipe.

[0023] To improve the sealing effect, preferably, the outer circumferential surface of the sealing ring has circumferentially extending external ribs for fitting with the inner wall surface of the first connecting pipe; and / or the inner circumferential surface of the sealing ring has circumferentially extending internal ribs for fitting with the outer side surface of the overflow pipe.

[0024] Preferably, there are at least two outer convex ribs, which are arranged at intervals in the up-down direction; and there are at least two inner convex ribs, which are arranged at intervals in the up-down direction.

[0025] Furthermore, the overflow pipe is a corrugated pipe with concave and convex patterns arranged alternately in the longitudinal direction, and at least one of the inner convex ribs fits with the convex pattern on the overflow pipe, thereby ensuring a sealing effect and preventing the overflow pipe from accidentally detaching from the first connecting pipe.

[0026] Furthermore, the spacing distance between two adjacent inner convex ribs is 1.2 times the spacing distance between adjacent convex patterns on the overflow pipe.

[0027] Furthermore, the cross-section of the inner convex rib is semicircular, and the arc surface faces the outer side surface of the overflow pipe.

[0028] In the above solution, preferably, the cross section of the outer convex rib is pointed, and the pointed corner faces the inner wall surface of the first connecting pipe. In addition to sealing, the pointed outer convex rib can also serve as a stopper to prevent the sealing ring from detaching from the first connecting pipe.

[0029] Preferably, the sealing ring has:

[0030] An annular sealing body is inserted into the upper end of the first connecting pipe, and at least a part of the outer peripheral surface of the sealing body is in contact with the inner wall surface of the first connecting pipe, and the inner peripheral surface of the sealing body is used to be in contact with the outer side surface of the overflow pipe;

[0031] The folded edge extending outward from the upper edge of the sealing body is supported on the upper edge of the first connecting pipe, and the folded edge can play a limiting role to prevent the sealing ring from extending into the first connecting pipe excessively.

[0032] Further preferably, the outer peripheral surface of the lower end of the sealing body is inclined inward from top to bottom to form an inverted cone shape.

[0033] In the above schemes, preferably, a second one-way valve is further included, which is arranged at the water inlet of the transverse section of the drainage elbow to close the water inlet, and the second one-way valve is arranged to be opened under the action of the water flow. In this way, when the food waste disposer is not working, that is, there is no fluid inside it, the second one-way valve closes the water inlet, thereby preventing the odor in the sewer pipe and the drainage component from entering the food waste disposer. When the food waste disposer is working, the second one-way valve opens under the action of the water flow in the food waste disposer to perform normal drainage work.

[0034] Preferably, the second one-way valve comprises a second valve plate, which is arranged horizontally at the water inlet of the transverse section of the drainage elbow and can rotate under the action of the water flow to open the water inlet.

[0035] Furthermore, the rotation axis of the second valve plate is adjacent to the upper edge of the second valve plate, at least the lower portion of the second valve plate is provided with a counterweight block, and under the action of the gravity of the counterweight block, the second valve plate always has a tendency to rotate downward to close the water inlet.

[0036] The technical solution adopted by the present invention to solve the above-mentioned second technical problem is: a kitchen waste disposer, characterized by having the drainage component as described above.

[0037] Compared with the prior art, the advantages of the utility model are: when in use, external drainage enters the vertical section of the drainage elbow through the first and second connecting pipes, and the water flow in the food waste disposer enters the vertical section through the transverse section and the arc section of the drainage elbow in turn, and is finally discharged from the vertical section together. During the whole process, the influence of external drainage on the drainage of the food waste disposer can be reduced; at the same time, since the vertical section is relatively far away from the discharge port of the food waste disposer, the first connecting pipe and the second connecting pipe are arranged on the vertical section, which can reduce the risk of water discharged from the food waste disposer through the discharge port backflowing into the first and second connecting pipes. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1This is a schematic diagram of the structure of a kitchen waste disposer according to an embodiment of the utility model;

[0039] Figure 2 It is a partial structural schematic diagram of a kitchen waste disposer according to an embodiment of the utility model;

[0040] Figure 3 A cross-sectional view of a drainage assembly according to an embodiment of the present utility model;

[0041] Figure 4 for Figure 3 Enlarged view of part A in the middle;

[0042] Figure 5 A cross-sectional view of a food waste disposer according to an embodiment of the present utility model (with the drainage assembly omitted);

[0043] Figure 6 This is a schematic diagram of the structure of a four-way connector according to an embodiment of the present utility model;

[0044] Figure 7 This is a structural schematic diagram of a four-way joint in another perspective of an embodiment of the utility model;

[0045] Figure 8 It is a schematic structural diagram of a sealing ring according to an embodiment of the utility model. DETAILED DESCRIPTION

[0046] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0047] like Figures 1 to 8 As shown, a drainage component for a food waste disposer and a preferred embodiment of the food waste disposer of the present invention are shown, and the food waste disposer includes a crushing cover 1, a crushing part 2, a driving mechanism 200 and a drainage component.

[0048] The pulverizing cover 1 has a pulverizing chamber 10 therein, the upper portion of the pulverizing chamber 10 is provided with a feed inlet 10a and a water inlet 10c, and the lower portion of the pulverizing chamber 10 is provided with a discharge port 10b on a side wall thereof.

[0049] The crushing element 2 is arranged in the crushing chamber 10, and is used to crush the garbage entering from the feed port 10a. The output end of the driving mechanism 200 acts on the crushing element 2, and is used to drive the crushing element 2 to rotate. In this embodiment, the crushing element 2 and the driving mechanism 200 can be designed with reference to the prior art, and will not be described in detail here.

[0050] The drainage assembly includes a drainage elbow 8 , a first one-way valve 84 , a second one-way valve 86 and a sealing ring 85 .

[0051] Along the flow direction of the water flow, the drainage elbow 8 has a transverse section 81 extending outward relative to the discharge port 10b on the side wall of the kitchen waste disposer, an arc section 82 gradually bending downward from the outer end of the transverse section 81, and a vertical section 83 extending downward from the lower end of the arc section 82. The vertical section 83 is connected with a first pipe 831 and a second pipe 832 extending obliquely upward. The lower ends of the first pipe 831 and the second pipe 832 are respectively opened on the pipe wall of the vertical section 83 at intervals along the circumferential direction. The upper end of the first pipe 831 is used to connect to the overflow pipe 833 of the dishwasher for overflow water in the dishwasher to enter; the upper end of the second pipe 832 is used to connect to the strong drainage pipe 834 of the dishwasher for strong drainage in the dishwasher to enter. The first pipe 831 and the second pipe 832 are arranged at an angle greater than 90° and less than 180°. The inner diameter of the first pipe 831 and the inner diameter of the second pipe 832 are both smaller than the inner diameter of the vertical section 83 of the drainage elbow 8.

[0052] In this embodiment, the drainage elbow 8 includes a deformable first corrugated pipe 8a and a downpipe 8b. The first corrugated pipe 8a forms the transverse section 81, the arc section 82 and the upper part of the vertical section 83 of the drainage elbow 8; the downpipe 8b is vertically arranged below the first corrugated pipe 8a as the lower part of the vertical section 83. The upper end of the downpipe 8b is connected to the lower end of the first corrugated pipe 8a through the vertically arranged main pipe of the four-way joint 8c. The two branch pipes of the four-way joint 8c are the above-mentioned first connecting pipe 831 and the second connecting pipe 832. For details, please refer to Figures 1 to 3 as well as Figure 6 , 7 .

[0053] like Figure 3 As shown, the first one-way valve 84 is arranged at the lower end of the first connecting pipe 831 or at a position adjacent to the lower end to cut off the passage between the first connecting pipe 831 and the drain elbow 8, and the first one-way valve 84 is arranged to be opened under the action of the drainage flowing downward in the first connecting pipe 831. Specifically, the first one-way valve 84 includes a first valve plate with elasticity, an edge portion of one side of the first valve plate is fixed relative to the first connecting pipe 831, and a main body portion of the first valve plate is horizontally blocked in the first connecting pipe 831, and can rotate relative to the edge portion under the action of the drainage flowing downward to connect the passage between the first connecting pipe 831 and the drain elbow 8.

[0054] like Figure 4 , 8As shown, the sealing ring 85 is arranged at the upper end of the first connecting pipe 831, and has an annular sealing body 85a and a folded edge 85b. The sealing body 85a is inserted into the upper end of the first connecting pipe 831, and the outer peripheral surface of the sealing body 85a has an outer convex rib 851 extending in the circumferential direction, which is used to fit with the inner wall surface of the first connecting pipe 831, and there are at least two outer convex ribs 851, which are arranged at intervals in the up-down direction, and the cross section of each outer convex rib 851 is sharp-angled, and the sharp corner faces the inner wall surface of the first connecting pipe 831. The inner peripheral surface of the sealing body 85a has an inner convex rib 852 extending in the circumferential direction, which is used to fit with the outer side surface of the overflow pipe 833, and there are at least two inner convex ribs 852, which are arranged at intervals in the up-down direction, and the cross section of each inner convex rib 852 is semicircular, and the arc surface faces the outer side surface of the overflow pipe 833. The outer peripheral surface of the lower end of the sealing body 85a is inclined inward from top to bottom and presents an inverted cone shape. The folded edge 85 b is folded and extended outward from the upper edge of the sealing body 85 a and supported on the upper edge of the first connecting pipe 831 to prevent the sealing ring 85 from completely entering the first connecting pipe 831 .

[0055] Meanwhile, in this embodiment, the overflow pipe 833 is a corrugated pipe with concave and convex patterns arranged alternately in the longitudinal direction, and at least one of the inner convex ribs 852 fits with the convex pattern on the overflow pipe 833. The spacing distance between two adjacent inner convex ribs 852 is 1.2 times the spacing distance between adjacent convex patterns on the overflow pipe 833, ensuring that at least one of the inner convex ribs 852 on the sealing ring fits with the convex pattern on the overflow pipe 833, thereby ensuring the sealing effect.

[0056] like Figure 3 As shown, the second one-way valve 86 is arranged at the water inlet of the transverse section 81 of the drainage elbow 8 to close the water inlet, and the second one-way valve 86 is arranged to be opened under the action of water flow. Specifically, the second one-way valve 86 includes a second valve plate 861, which is rotatably arranged at the water inlet of the transverse section 81 of the drainage elbow 8, and the rotation axis of the second valve plate 86 is adjacent to the upper edge of the second valve plate 861, and at least the lower part of the second valve plate 861 is provided with a counterweight block 862, and the second valve plate 861 always has a tendency to rotate downward and block the water inlet under the action of the gravity of the counterweight block 862. At the same time, the second valve plate 861 is arranged to overcome the gravity of the counterweight block 862 and rotate upward to open the water inlet under the action of the fluid disturbed by the crushing element 2 in the crushing chamber 10.

[0057] In the natural state, the second valve plate 861 rotates downward under the action of the gravity of the counterweight block 862 and horizontally blocks the discharge port 10b. At this time, the water flow entering from the water inlet 10c accumulates in the grinding chamber 10 (that is, the water inlet speed is greater than the water discharge speed). Then the driving mechanism 200 works to drive the grinding component 2 to rotate. The rotating grinding component 2 can disturb the fluid in the grinding chamber 10 to rotate together, thereby realizing the flushing of the inner wall of the grinding chamber 10 to achieve self-cleaning. At the same time, the rotating fluid can apply a pressure to the second valve plate 861, so that the second valve plate 861 overcomes the gravity of the counterweight block 862 and rotates upward to open the discharge port 10b, so that the fluid enters the drainage elbow 8 from the discharge port with the cleaned residue, and passes through the horizontal section 81, arc section 82, and vertical section 83 of the drainage elbow 8 in turn and is discharged into the sewer pipe.

[0058] The overflow water and the strong drainage in the dishwasher enter the drainage elbow 8 through the first connecting pipe 831 and the second connecting pipe 832 respectively, and finally are discharged into the sewer pipe.

[0059] In the specification and claims of the present invention, terms indicating directions, such as "upper", "lower", "side", "top", "bottom", etc., are used to describe various exemplary structural parts and elements of the present invention, but these terms are used here only for the purpose of convenience of description and are determined based on the exemplary orientations shown in the accompanying drawings. Since the embodiments disclosed in the present invention can be arranged in different directions, these terms indicating directions are only used as explanations and should not be regarded as limitations. For example, "upper" and "lower" are not necessarily limited to directions opposite to or consistent with the direction of gravity.

[0060] The term "vertical" is also used in the specification and claims of the present utility model, which means basically along the up and down direction, and is not limited to the vertical direction only, and can also be slightly inclined relative to the vertical direction.

Claims

1. A drainage assembly for a kitchen waste disposer, comprising: A drainage elbow (8), along the flow direction of the water flow, the drainage elbow (8) comprising a transverse section (81) extending outwardly relative to a discharge port (10b) on a side wall of the food waste disposer, an arc section (82) gradually bending downward from an outer end of the transverse section (81), and a vertical section (83) extending downward from a lower end of the arc section (82); Features: The vertical section (83) is connected with a first connecting pipe (831) and a second connecting pipe (832) extending obliquely upward. The lower ends of the first connecting pipe (831) and the second connecting pipe (832) are opened on the pipe wall of the vertical section (83) at intervals along the circumferential direction, respectively. The upper ends of the first connecting pipe (831) and the second connecting pipe (832) are for external drainage to enter.

2. The drainage assembly according to claim 1, characterized in that: The first connecting pipe (831) and the second connecting pipe (832) are arranged at an angle, and the angle is greater than 90° and less than 180°.

3. The drainage assembly according to claim 1, characterized in that: The inner diameter of the first connecting pipe (831) and the inner diameter of the second connecting pipe (832) are both smaller than the inner diameter of the vertical section (83) of the drainage elbow (8).

4. The drainage assembly according to claim 1, characterized in that: The drainage elbow (8) comprises: A first deformable corrugated pipe (8a) forming the upper part of the transverse section (81), the arc section (82) and the vertical section (83) of the drainage elbow (8); The down pipe (8b) is vertically arranged below the first corrugated pipe (8a) as the lower part of the vertical section (83). The upper end of the down pipe (8b) is connected to the lower end of the first corrugated pipe (8a) through a vertically arranged main pipe of a four-way joint (8c). The two branch pipes of the four-way joint (8c) are the above-mentioned first connecting pipe (831) and the second connecting pipe (832).

5. The drainage assembly according to any one of claims 1 to 4, characterized in that: The upper end of the first connecting pipe (831) is used to connect to the overflow pipe (833) of the dishwasher; the upper end of the second connecting pipe (832) is used to connect to the forced exhaust pipe (834) of the dishwasher.

6. The drainage assembly according to claim 5, characterized in that: It also includes a first one-way valve (84) which is arranged at the lower end of the first connecting pipe (831) or at a position adjacent to the lower end to cut off the passage between the first connecting pipe (831) and the drainage elbow (8), and the first one-way valve (84) is arranged to be opened under the action of drainage flowing downward in the first connecting pipe (831).

7. The drainage assembly according to claim 6, characterized in that: The first one-way valve (84) comprises a first elastic valve plate, an edge portion of one side of the first valve plate being fixed relative to the first connecting pipe (831), a main body portion of the first valve plate being horizontally blocked in the first connecting pipe (831), and being able to rotate relative to the edge portion under the action of downwardly flowing drainage to connect the passage between the first connecting pipe (831) and the drainage elbow (8).

8. The drainage assembly according to claim 5, characterized in that: It also includes a sealing ring (85) which is arranged at the upper end of the first connecting pipe (831), and at least a part of the outer peripheral surface of the sealing ring (85) is in contact with the inner wall surface of the first connecting pipe (831), and the inner peripheral surface of the sealing ring (85) is used to be in contact with the outer side surface of the overflow pipe (833).

9. The drainage assembly according to claim 8, characterized in that: The outer circumferential surface of the sealing ring (85) has an outer convex rib (851) extending in the circumferential direction, which is used to fit with the inner wall surface of the first connecting pipe (831); and / or the inner circumferential surface of the sealing ring (85) has an inner convex rib (852) extending in the circumferential direction, which is used to fit with the outer side surface of the overflow pipe (833).

10. The drainage assembly according to claim 9, characterized in that: There are at least two outer convex ribs (851) arranged at intervals in the up-down direction; there are at least two inner convex ribs (852) arranged at intervals in the up-down direction.

11. The drainage assembly according to claim 10, characterized in that: The overflow pipe (833) is a corrugated pipe with concave and convex patterns alternately arranged in the longitudinal direction, and at least one of the inner convex ribs (852) fits with the convex pattern on the overflow pipe (833).

12. The drainage assembly according to claim 11, characterized in that: The spacing distance between two adjacent inner convex ribs (852) is 1.2 times the spacing distance between adjacent convex patterns on the overflow pipe (833).

13. The drainage assembly according to claim 11, characterized in that: The cross section of the inner convex rib (852) is semicircular, and the arc surface faces the outer side surface of the overflow pipe (833).

14. The drainage assembly according to claim 9, characterized in that: The cross section of the outer convex rib (851) is pointed, with the pointed corner facing the inner wall surface of the first connecting pipe (831).

15. The drainage assembly according to claim 8, characterized in that: The sealing ring (85) has: An annular sealing body (85a) is inserted into the upper end of the first connecting pipe (831), and at least a part of the outer peripheral surface of the sealing body (85a) is in contact with the inner wall surface of the first connecting pipe (831), and the inner peripheral surface of the sealing body (85a) is used to be in contact with the outer side surface of the overflow pipe (833); The folded edge (85b) folded outward from the upper edge of the sealing body (85a) is supported on the upper end edge of the first connecting pipe (831).

16. The drainage assembly according to claim 15, characterized in that: The outer peripheral surface of the lower end of the sealing body (85a) is inclined inward from top to bottom to form an inverted cone shape.

17. The drainage assembly according to any one of claims 1 to 4, characterized in that: It also includes a second one-way valve (86) disposed at the water inlet of the transverse section (81) of the drainage elbow (8) to close the water inlet, and the second one-way valve (86) is arranged to be able to open under the action of the water flow.

18. The drainage assembly according to claim 17, characterized in that: The second one-way valve (86) includes a second valve plate (861), which blocks the water inlet of the transverse section (81) of the drainage elbow (8) and can rotate under the action of the water flow to open the water inlet.

19. The drainage assembly according to claim 18, characterized in that: The rotation axis of the second valve plate (861) is adjacent to the upper edge of the second valve plate (861), and at least the lower part of the second valve plate (861) is provided with a counterweight block (862), and under the action of the gravity of the counterweight block (862), the second valve plate (861) always has a tendency to rotate downward to close the water inlet.

20. A kitchen waste disposer, characterized in that A drainage component according to any one of claims 1 to 19.

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