Drainage mechanism and cleaning machine

Abstract

The utility model provides a drainage mechanism, and relates to the technical field of drainage. The drainage mechanism comprises a shell, a plugging structure, a centrifugal assembly and an elastic piece. The shell is provided with a circulation cavity, an inlet and an outlet, wherein the inlet and the outlet communicate with the circulation cavity and are arranged at intervals. The plugging structure is mounted in the circulation cavity; the centrifugal assembly at least comprises a rotating shaft and a plurality of blades connected to the rotating shaft, the blades are arranged around the axis of the rotating shaft at intervals, and each blade is connected to the plugging structure; the elastic piece is connected between the plugging structure and the centrifugal assembly; each blade is configured to make centrifugal motion in response to rotation of the rotating shaft so as to pull the blocking structure to be away from the inlet or the outlet, and the blocking structure is configured to be close to the inlet or the outlet in response to the action of the elastic piece. By controlling rotation of the rotating shaft, control over on-off of fluid can be achieved, the blades are driven to rotate to provide output power for discharging of the fluid when the fluid circulates, the whole body is lighter, and cost is reduced.

Description

Technical Field

[0001] The present application relates to the field of drainage technology, and in particular to a drainage mechanism and a cleaning machine. Background Art

[0002] The cleaning machine controls the on / off and flow rate of drainage through the drainage valve, and provides a power source for the discharge of fluid through the pump. In the related art, the valve and the pump can be integrated into one body to have both functions, but at the same time, the quality and cost are also increased, and the installation is more complicated. Utility Model Content

[0003] Based on this, it is necessary to provide a drainage mechanism that is easy to install and has low quality and cost.

[0004] A drainage mechanism comprises a shell, a blocking structure, a centrifugal assembly and an elastic member; the shell is constructed with a flow chamber and an inlet and an outlet connected to the flow chamber, and the inlet and the outlet are arranged at intervals; the blocking structure is installed in the flow chamber; the centrifugal assembly at least comprises a rotating shaft and a plurality of blades connected to the rotating shaft, and the plurality of blades are arranged at intervals around the axis of the rotating shaft, and each of the blades is connected to the blocking structure; the elastic member is connected between the blocking structure and the centrifugal assembly; wherein each of the blades is configured to perform centrifugal movement in response to the rotation of the rotating shaft to pull the blocking structure away from the inlet or the outlet, and the blocking structure is configured to move closer to the inlet or the outlet in response to the action of the elastic member.

[0005] It is understandable that the rotating shaft drives the blades to rotate, causing the blades to perform centrifugal motion, the center of gravity of the blades to drop, and then pull the blocking structure away from the inlet, so that the fluid flows from the inlet through the flow cavity and then flows out from the outlet. In this process, the rotation of the blades also provides power for the output of the fluid, promoting the discharge of the fluid. When the rotating shaft stops rotating, under the action of the elastic force of the elastic member, the blocking structure moves toward the inlet until it blocks the inlet, disconnecting the fluid and resetting the center of gravity of the blades. Therefore, the present application can control the on-off of the fluid by controlling the rotation of the rotating shaft, and can drive the blades to rotate when the fluid is circulating to provide output power for the discharge of the fluid, without the need to be divided into two parts for separate control, making the whole more lightweight, reducing production costs, and being easier to install.

[0006] In one embodiment, the centrifugal assembly further includes a first connecting rod and a second connecting rod, wherein the first connecting rod is rotatably connected between the blade and the sealing structure, and the second connecting rod is rotatably connected between the blade and the rotating shaft.

[0007] It can be understood that the blades are connected between the blocking structure and the rotating shaft by setting the first connecting rod and the second connecting rod, which is beneficial to the transmission of power. The setting of the rotating connection facilitates the centrifugal movement of the blades when they rotate around the rotating shaft.

[0008] In one embodiment, the first connecting rod is configured with a first accommodating groove, the second connecting rod is configured with a second accommodating groove, the first accommodating groove and the second accommodating groove are arranged opposite to each other, and a portion of each blade is inserted into the corresponding first accommodating groove and the second accommodating groove.

[0009] It can be understood that the first accommodating groove and the second accommodating groove are provided to provide sufficient assembly space for the blade, to facilitate the rotation of the blade, and to facilitate accommodating the position change of the blade.

[0010] In one embodiment, the blocking structure is slidably connected to the shell; and / or the blocking structure is slidably connected to the rotating shaft.

[0011] It can be understood that such a configuration is helpful to reduce the radial shaking of the blocking structure and promote the stability of the blocking structure moving relative to the inlet.

[0012] In one embodiment, the sealing structure includes a sealing ring and an assembly base, one end of the assembly base is connected to the rotating shaft and the first connecting rod, the sealing ring is installed at an end of the assembly base away from the rotating shaft, and the sealing ring can be pressed between the assembly base and the shell to seal the inlet.

[0013] It can be understood that the assembly base is arranged to facilitate assembly with the rotating shaft, the first connecting rod and the sealing ring, and the arrangement of the sealing ring is conducive to improving the sealing performance of the inlet plug.

[0014] In one of the embodiments, an assembly cavity is constructed at one end of the assembly base facing away from the sealing ring, at least a portion of the rotating shaft is inserted into the assembly cavity and is slidably connected to the cavity wall of the assembly cavity; along the axial direction of the assembly base, the elastic member is connected between the rotating shaft and the cavity wall of the assembly cavity close to the sealing ring.

[0015] It can be understood that the assembly cavity is provided to facilitate the sliding fit between the assembly base and the rotating shaft, so that the rotating shaft can produce radial limitation on the assembly base, thereby promoting the sliding stability of the assembly base.

[0016] In one embodiment, a limit bracket is protruded from the inner side wall of the shell along its radial direction toward the flow cavity, the limit bracket is sleeved on the outer peripheral wall of the assembly base and is slidably connected to the assembly base, and the limit bracket is constructed with a through opening, which is connected to the flow cavity.

[0017] It can be understood that the setting of the limiting bracket is to further form a radial limit for the assembly base, thereby promoting the stable movement of the assembly base, wherein the setting of the through port is also conducive to the flow of fluid.

[0018] In one of the embodiments, the assembly base is provided with a connecting portion protruding along its radial direction, the connecting portion is located at one end of the assembly base close to the rotating shaft, the connecting portion can abut against the limiting bracket, and the connecting portion is configured with an installation groove; the sealing structure also includes a connecting ring, the connecting ring is assembled in the installation groove, and the connecting ring is rotatably connected to the first connecting rod.

[0019] It can be understood that the connecting portion forms a mounting groove to facilitate the assembly and positioning of the connecting ring, and the setting of the connecting ring facilitates the connection with the first connecting rod.

[0020] In one embodiment, the drainage mechanism also includes a power assembly, the output shaft of the power assembly is connected to the rotating shaft, the casing of the power assembly is installed on the outer wall of the shell, the casing is provided with a limiting portion along the radial direction of the output shaft, the outer wall of the shell is connected to a fixing seat, and the fixing seat is pressed on the limiting portion.

[0021] It can be understood that the power component outputs power to the rotating shaft through the output shaft, driving the rotating shaft to rotate, and through the cooperation between the fixed seat and the limiting part, the casing is axially limited to facilitate the stable assembly of the power component on the shell.

[0022] A cleaning machine comprises the above-mentioned drainage mechanism and a cleaning box; the cleaning box is connected to the drainage mechanism, the cleaning box is configured with a drainage port, and the drainage port is communicated with an inlet of the drainage mechanism.

[0023] It can be understood that by adopting the above-mentioned drainage mechanism, the rotation of the rotating shaft in the drainage mechanism can be controlled to control the flow of fluid and provide power for drainage. It has a simple structure and is easy to install, which helps to reduce costs and make the entire cleaning machine lighter. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the conventional technology, the drawings required for use in the embodiments or the conventional technology descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 An isometric cross-sectional view of the drainage mechanism provided for this application in the open state;

[0026] Figure 2A cross-sectional view of the drainage mechanism provided for this application in an open state;

[0027] Figure 3 for Figure 2 A partial enlarged view of the middle A;

[0028] Figure 4 An isometric cross-sectional view of the drainage mechanism provided for this application in the closed state;

[0029] Figure 5 A cross-sectional view of the drainage mechanism provided in this application in a closed state.

[0030] 1. Drainage mechanism; 2. Shell; 3. Inlet; 4. Outlet; 5. Circulation chamber; 6. Limit bracket; 7. Through port; 8. Fixing seat; 9. Blocking structure; 10. Sealing ring; 11. Abutment section; 12. Assembly section; 13. Assembly base; 14. Assembly chamber; 15. Connecting portion; 16. Mounting groove; 17. Sealing groove; 18. First groove section; 19. Second groove section; 20. Connecting ring; 21. Centrifugal assembly; 22. Rotating shaft; 23. Blade; 23. First connecting rod; 24. First accommodating groove; 25. Second connecting rod; 26. Second accommodating groove; 27. Elastic member; 28. Power assembly; 29. ​​Output shaft; 30. Casing; 31. Limiting portion. DETAILED DESCRIPTION

[0031] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0032] It should be noted that when a component is referred to as being "fixed to" or "disposed on" another component, it may be directly on the other component or there may also be a central component. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may be a central component at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in the specification of this application are for illustrative purposes only and do not represent the only implementation method.

[0033] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0034] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first feature is directly in contact with the second feature, or the first feature and the second feature are indirectly in contact through an intermediate medium. Moreover, a first feature being “above”, “above” or “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below” or “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0035] Unless otherwise defined, all technical and scientific terms used in the specification of this application have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used in the specification of this application includes any and all combinations of one or more related listed items.

[0036] See also Figures 1 to 5 The present application provides a drainage mechanism 100, which includes a shell 10, a blocking structure 20, a centrifugal assembly 30 and an elastic member 40; the shell 10 is configured with a flow chamber 103 and an inlet 101 and an outlet 102 connected to the flow chamber 103, and the inlet 101 and the outlet 102 are arranged at intervals; the blocking structure 20 is installed in the flow chamber 103; the centrifugal assembly 30 at least includes a rotating shaft 31 and a plurality of blades 32 connected to the rotating shaft 31, and the plurality of blades 32 are arranged at intervals around the axis of the rotating shaft 31, and each blade 32 is connected to the blocking structure 20; the elastic member 40 is connected between the blocking structure 20 and the centrifugal assembly 30; wherein each blade 32 is configured to perform centrifugal movement in response to the rotation of the rotating shaft 31 to pull the blocking structure 20 away from the inlet 101 or the outlet 102, and the blocking structure 20 is configured to move closer to the inlet 101 or the outlet 102 in response to the action of the elastic member 40.

[0037] In this way, when the rotating shaft 31 is not rotating, under the elastic force of the elastic member 40, the blocking structure 20 blocks the inlet 101. As the rotating shaft 31 rotates, the rotating shaft 31 drives the blades 32 to rotate synchronously around the axis. The blades 32 perform centrifugal motion during the rotation process, and the center of gravity of the blades 32 drops, thereby pulling the blocking structure 20 away from the inlet 101. The fluid can flow from the inlet 101 into the flow cavity 103 and then flow out from the outlet 102. During the fluid discharge process, the rotation of the blades 32 around the axis of the rotating shaft 31 provides kinetic energy for the discharge of the fluid, so that the fluid can flow faster. When the rotating shaft 31 stops rotating, the blades 32 no longer perform centrifugal motion. Under the elastic force of the elastic member 40, the center of gravity of the blades 32 and the blocking structure 20 are reset, and the blocking structure 20 blocks the inlet 101, and the fluid is disconnected from the flow. During the entire working process, the fluid flow is regulated by controlling the rotation of the rotating shaft 31 and power is provided for the discharge of the fluid. There is no need to divide it into two parts to separately control the fluid flow and promote the discharge of the fluid. The structure is simple and easy to install, which helps to reduce costs and make the drainage mechanism 100 lighter.

[0038] like Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, in a specific embodiment, the elastic member 40 can be a spring. When the inlet 101 is opened, the spring is compressed. When the inlet 101 is blocked, the spring is still in a compressed state, and the degree of compression is less than that when the inlet 101 is opened, so as to ensure that the spring always has elastic force to promote the blocking structure 20 to block the inlet 101 and avoid leakage.

[0039] like Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, in a further embodiment, the centrifugal assembly 30 further includes a first connecting rod 33 and a second connecting rod 34, wherein the first connecting rod 33 is rotatably connected between the blade 32 and the blocking structure 20, and the second connecting rod 34 is rotatably connected between the blade 32 and the rotating shaft 31. In this way, the arrangement of the first connecting rod 33 and the second connecting rod 34 is conducive to enhancing the flexibility of the centrifugal assembly 30. When the rotating shaft 31 rotates, under the action of the gravity of the blade 32, the first connecting rod 33 and the second connecting rod 34 are both pulled downward by the blade 32, and the angle between the first connecting rod 33 and the second connecting rod 34 gradually decreases; when the rotating shaft 31 stops rotating, under the action of the elastic force of the elastic member 40, the first connecting rod 33 and the second connecting rod 34 are pulled apart, and the angle between the two gradually increases, so that the center of gravity of the blade 32 rises and resets.

[0040] like Figure 1 , Figure 2 and Figure 5As shown, in a specific embodiment, the first connecting rod 33 is configured with a first receiving groove 331, and the second connecting rod 34 is configured with a second receiving groove 341. The first receiving groove 331 and the second receiving groove 341 are arranged opposite to each other, and a part of each blade 32 is inserted into the corresponding first receiving groove 331 and the second receiving groove 341. In this way, the arrangement of the first receiving groove 331 and the second receiving groove 341 provides space for the assembly of the blade 32, and when the center of gravity of the blade 32 changes, the rotation of the blade 32 relative to the first connecting rod 33 and the second connecting rod 34 can be accommodated. At the same time, the groove walls of the first receiving groove 331 and the second receiving groove 341 can also limit the shaking of the blade 32 along the thickness direction of the blade 32, thereby improving the structural stability.

[0041] like Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, in a more specific embodiment, the blade 32 is configured to be disc-shaped, and the first connecting rod 33 and the second connecting rod 34 are respectively connected to the center of the blade 32. At this time, the center of the blade 32 is the center of gravity of the blade 32. When the center of gravity of the blade 32 changes, the first connecting rod 33 and the second connecting rod 34 can rotate synchronously and smoothly relative to the axis where the center of the blade 32 is located.

[0042] like Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, in a further embodiment, the blocking structure 20 includes a sealing ring 21 and an assembly base 22, one end of the assembly base 22 is connected to the rotating shaft 31 and the first connecting rod 33, the sealing ring 21 is installed at the end of the assembly base 22 away from the rotating shaft 31, and the sealing ring 21 can be pressed between the assembly base 22 and the housing 10 to block the inlet 101. In this way, the sealing ring 21 can improve the tightness of the blocking structure 20, thereby improving the sealing effect and preventing fluid leakage.

[0043] like Figure 2 and Figure 3 As shown, in a specific embodiment, the assembly base 22 is constructed with a sealing groove 223, and the sealing groove 223 is formed by a radial depression along the side wall of the assembly base 22; a portion of the sealing ring 21 is located in the sealing groove 223, and the end of the sealing ring 21 facing the inlet 101 can be tightly abutted against the inner wall at the edge of the inlet 101 to achieve sealing of the inlet 101, and the groove wall of the sealing groove 223 can form a radial limiting effect on the sealing ring 21 to promote the stable assembly of the sealing ring 21.

[0044] like Figure 3As shown, in a more specific embodiment, the sealing ring 21 is constructed with an assembly section 212 and an abutment section 211, the abutment section 211 is connected to the assembly section 212 and is set at an angle, and the abutment section 211 can abut against the inner wall of the shell 10 located at the edge of the inlet 101; the sealing groove 223 is provided with a first groove section 2231 and a second groove section 2232 connected to the first groove section 2231, along the radial direction of the assembly base 22, the depth dimension of the second groove section 2232 is greater than the depth dimension of the first groove section 2231, the assembly section 212 is located in the second groove section 2232, and the groove wall of the second groove section 2232 has a radial and axial limiting effect on the assembly section 212 along the blocking structure 20, and the abutment section 211 is installed in the first groove section 2231, and the groove wall of the first groove section 2231 has a radial limiting effect on the abutment section 211 along the blocking structure 20, thereby enhancing the stability of the assembly.

[0045] In a further embodiment, the blocking structure 20 is slidably connected to the rotating shaft 31. Thus, when the center of gravity of the blade 32 changes, the blocking structure 20 can slide along the axis of the rotating shaft 31 driven by the blade 32, thereby improving the stability of the movement of the blocking structure 20.

[0046] like Figure 5 As shown, in a specific embodiment, an assembly cavity 221 is configured at one end of the assembly base 22 away from the sealing ring 21, and at least a portion of the rotating shaft 31 is inserted into the assembly cavity 221 and slidably connected with the cavity wall of the assembly cavity 221. In this way, the cavity wall of the assembly cavity 221 and the outer wall of the rotating shaft 31 have the function of limiting each other along the radial direction of the rotating shaft 31, so that the assembly base 22 can reciprocate along the axial direction of the rotating shaft 31, thereby promoting the stability of the movement of the assembly base 22.

[0047] like Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, further, along the axial direction of the assembly base 22, the elastic member 40 is connected between the rotating shaft 31 and the cavity wall of the assembly cavity 221 close to the sealing ring 21. In this way, the arrangement of the assembly cavity 221 is also conducive to the installation of the elastic member 40, and the cavity wall of the assembly cavity 221 has a limiting effect on the elastic member 40 along the radial direction of the assembly cavity 221, thereby preventing the radial shaking of the elastic member 40 and promoting the stable resetting of the assembly base 22.

[0048] In an optional embodiment, the blocking structure 20 is slidably connected to the housing 10. Thus, when the blocking structure 20 moves, it can slide along the axis of the housing 10, which is conducive to achieving the consistency of the axes of the blocking structure 20, the housing 10 and the rotating shaft 31, thereby improving the stability of the movement of the blocking structure 20.

[0049] like Figure 1 , Figure 2 , Figure 4and Figure 5 As shown, in a specific embodiment, the inner side wall of the housing 10 is provided with a limit bracket 11 protruding along its own radial direction toward the flow chamber 103, the limit bracket 11 is sleeved on the outer peripheral wall of the assembly base 22 and is slidably connected with the assembly base 22, and the limit bracket 11 is configured with a through-port 111, and the through-port 111 is connected with the flow chamber 103. In this way, the limit bracket 11 has a limit effect on the assembly base 22 along the radial direction of the housing 10, promotes the axial movement of the assembly base 22 along the housing 10, and improves the stability of the movement of the assembly base 22. Furthermore, the setting of the through-port 111 is conducive to the flow of the fluid, and the fluid flows out from the outlet 102 after passing through the through-port 111.

[0050] like Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, in a further embodiment, the assembly base 22 is provided with a connecting portion 222 protruding along its radial direction, the connecting portion 222 is located at one end of the assembly base 22 close to the rotating shaft 31, the connecting portion 222 can abut against the limiting bracket 11, and the connecting portion 222 is configured with a mounting groove 2221; the blocking structure 20 also includes a connecting ring 23, the connecting ring 23 is assembled in the mounting groove 2221, and the connecting ring 23 is rotatably connected to the first connecting rod 33. In this way, the connection with the first connecting rod 33 can be achieved through the connecting ring 23, and the assembly base 22 is not directly connected to the first connecting rod 33, which is conducive to reducing the force of the centrifugal assembly 30 on the assembly base 22, and is conducive to protecting the structure of the assembly base 22. At the same time, the mounting groove 2221 can limit the connecting ring 23 along the axial and radial directions of the assembly base 22, so as to achieve the assembly stability of the connecting ring 23.

[0051] like Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, in an optional embodiment, the drainage mechanism 100 further includes a power assembly 50 , and an output shaft 51 of the power assembly 50 is connected to the rotating shaft 31 so as to provide a power source for the rotation of the rotating shaft 31 .

[0052] like Figure 2 and Figure 5 As shown, in a further embodiment, the housing 52 of the power assembly 50 is mounted on the outer wall of the housing 10, and the housing 52 is provided with a stopper 521 protruding along the radial direction of the output shaft 51, and the outer wall of the housing 10 is connected with a fixing seat 12, and the fixing seat 12 is pressed on the stopper 521. In this way, the housing 52 can be limited along the axial direction of the housing 10 to ensure the stable assembly of the power assembly 50, which is conducive to the stable transmission of power. During assembly, the housing 52 can be directly engaged with the fixing seat 12, or, after the power assembly 50 is assembled on the housing 10, the fixing seat 12 can be installed on the housing 10.

[0053] The present application also provides a cleaning machine, which includes the above-mentioned drainage mechanism 100 and a cleaning box, the cleaning box is connected to the drainage mechanism 100, and the cleaning box is configured with a drainage port, which is connected to the drainage mechanism inlet 101. In this way, by using the above-mentioned drainage mechanism 100, the fluid on-off control function can be achieved only by rotating the rotating shaft 31, and power can also be provided for the outflow of the fluid. The structure is simple, and there is no need to control them separately, which makes the cleaning machine more portable and helps reduce costs.

[0054] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0055] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the scope of patent protection of the present application shall be subject to the attached claims.

Claims

1. A drainage mechanism, characterized in that: include: A housing (10) is configured with a flow chamber (103) and an inlet (101) and an outlet (102) connected to the flow chamber (103), wherein the inlet (101) and the outlet (102) are arranged at intervals; A blocking structure (20) installed in the flow cavity (103); A centrifugal assembly (30) comprising at least a rotating shaft (31) and a plurality of blades (32) connected to the rotating shaft (31), wherein the plurality of blades (32) are arranged at intervals around the axis of the rotating shaft (31), and each of the blades (32) is connected to the blocking structure (20); An elastic member (40) connected between the blocking structure (20) and the centrifugal assembly (30); Wherein, each of the blades (32) is configured to perform centrifugal movement in response to the rotation of the rotating shaft (31) to pull the blocking structure (20) away from the inlet (101) or the outlet (102), and the blocking structure (20) is configured to move closer to the inlet (101) or the outlet (102) in response to the action of the elastic member (40).

2. The drainage mechanism according to claim 1, characterized in that: The centrifugal assembly (30) further comprises a first connecting rod (33) and a second connecting rod (34), wherein the first connecting rod (33) is rotatably connected between the blade (32) and the blocking structure (20), and the second connecting rod (34) is rotatably connected between the blade (32) and the rotating shaft (31).

3. The drainage mechanism according to claim 2, characterized in that: The first connecting rod (33) is configured with a first accommodating groove, and the second connecting rod (34) is configured with a second accommodating groove, the first accommodating groove and the second accommodating groove are arranged opposite to each other, and a portion of each blade (32) is inserted into the corresponding first accommodating groove and the second accommodating groove.

4. The drainage mechanism according to claim 2, characterized in that: The blocking structure (20) is slidably connected to the housing (10); and / or the blocking structure (20) is slidably connected to the rotating shaft (31).

5. The drainage mechanism according to claim 4, characterized in that: The sealing structure (20) comprises a sealing ring (21) and an assembly base (22); one end of the assembly base (22) is connected to the rotating shaft (31) and the first connecting rod (33); the sealing ring (21) is installed on an end of the assembly base (22) away from the rotating shaft (31); the sealing ring (21) can be pressed between the assembly base (22) and the housing (10) to seal the inlet (101).

6. The drainage mechanism according to claim 5, characterized in that: An assembly cavity (221) is formed at one end of the assembly base (22) away from the sealing ring (21); at least a portion of the rotating shaft (31) is inserted into the assembly cavity (221) and is slidably connected to the cavity wall of the assembly cavity (221); Along the axial direction of the assembly base (22), the elastic member (40) is connected between the rotating shaft (31) and the cavity wall of the assembly cavity (221) close to the sealing ring (21).

7. The drainage mechanism according to claim 5, characterized in that: A limit bracket (11) is protruded on the inner side wall of the shell (10) along its radial direction toward the circulation cavity (103); the limit bracket (11) is sleeved on the outer peripheral wall of the assembly base (22) and is slidably connected to the assembly base (22); the limit bracket (11) is configured with a through opening (111) which is in communication with the circulation cavity (103).

8. The drainage mechanism according to claim 7, characterized in that: The assembly base (22) is provided with a connecting portion (222) protruding along its radial direction, the connecting portion (222) is located at one end of the assembly base (22) close to the rotating shaft (31), the connecting portion (222) can abut against the limiting bracket (11), and the connecting portion (222) is configured with a mounting groove (2221); The blocking structure (20) further comprises a connecting ring (23), wherein the connecting ring (23) is assembled in the mounting groove (2221), and the connecting ring (23) is rotatably connected to the first connecting rod (33).

9. The drainage mechanism according to claim 1, characterized in that: The drainage mechanism further comprises a power assembly (50), wherein an output shaft (51) of the power assembly (50) is connected to the rotating shaft (31), a casing (52) of the power assembly (50) is mounted on the outer wall of the housing (10), a limiting portion (521) is provided on the casing (52) along the radial direction of the output shaft (51), and a fixing seat (12) is connected to the outer wall of the housing (10), and the fixing seat (12) is pressed on the limiting portion (521).

10. A cleaning machine, characterized in that: The cleaning machine comprises: The drainage mechanism according to any one of claims 1 to 9; A cleaning box is connected to the drainage mechanism. The cleaning box is provided with a drainage port, and the drainage port is communicated with an inlet (101) of the drainage mechanism.

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