Cleaning robot

Abstract

The cleaning robot comprises a robot body and a sealed cabin, and a containing cavity is formed in the robot body; the sealed cabin is located in the accommodating cavity, and an electronic component is arranged in the sealed cabin; the electronic assembly comprises a driving part, the driving part is provided with an output shaft penetrating through and extending out of the sealed cabin, a first sealing assembly is arranged between the output shaft and the sealed cabin, a threaded hole is formed in the inner side of the output shaft, and the threaded hole is used for being connected with a power element of the cleaning robot. The first sealing assembly is prevented from being scratched by the external threads on the output shaft to cause sealing performance failure, so that the first sealing assembly can be tightly attached to the output shaft, and external moisture or other liquid is effectively prevented from entering the sealed cabin.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of robots, in particular to a cleaning robot. BACKGROUND

[0002] With the improvement of people's material living standards, in order to pursue a higher quality of life, swimming pools have become a common entertainment place for people to relax and entertain. Whether it is a private swimming pool or a public swimming pool, the cleaning of the pool water is the primary concern of people.

[0003] And when the existing cleaning robot seals the driving part in the sealed cabin, since the output shaft of the driving part has an external thread for connecting with the power element, the external thread not only greatly weakens the effect of the sealing assembly on the output shaft, but also causes damage to the sealing assembly, thereby affecting the sealing effect of the sealing assembly. CONTENT OF THE UTILITY MODEL

[0004] The present application provides a cleaning robot, which aims to solve the problem that the output shaft in the sealed cabin is easy to cause scratches on the first sealing assembly, and ensures the sealing performance between the output shaft and the sealed cabin.

[0005] The present application provides a cleaning robot, comprising:

[0006] A machine body, the inside of the machine body forms an accommodation cavity;

[0007] A sealed cabin, the sealed cabin is located in the accommodation cavity, and an electronic assembly is arranged in the sealed cabin;

[0008] The electronic assembly comprises a driving part, the driving part has an output shaft penetrating and extending out of the sealed cabin, a first sealing assembly is arranged between the output shaft and the sealed cabin, the inside of the output shaft is configured with a threaded hole, and the threaded hole is used for connecting with a power element of the cleaning robot.

[0009] In the cleaning robot of an embodiment of the present application, the driving part comprises a water pump motor having a first output shaft, the power element comprises a first connecting piece and an impeller, and the impeller is threadedly connected with a first threaded hole on the first output shaft through the first connecting piece.

[0010] In the cleaning robot of an embodiment of the present application, the sealed cabin comprises a first mounting seat, the first mounting seat is provided with a first through hole for the first output shaft to penetrate, and the first sealing assembly is arranged between the first output shaft and the inner side wall of the first through hole.

[0011] In the cleaning robot of an embodiment of the present application, the first sealing assembly comprises a first oil seal having a first fitting portion and a first sealing lip, the first oil seal is fixed in the first through hole through the first fitting portion, and the first output shaft is in contact with the first sealing lip; and / or,

[0012] The sealing cabin comprises a first gland, which is arranged between the first mounting seat and the impeller shaft and abuts against the first sealing assembly.

[0013] In the cleaning robot of an embodiment of the present application, the sealing cabin comprises an end cover body, a second sealing assembly and a first locking member, the first mounting seat is fixed on the end cover through the first locking member, and the second sealing assembly is arranged at a connection between the first mounting seat and the end cover body.

[0014] In the cleaning robot of an embodiment of the present application, the driving member comprises a driving motor having a second output shaft, and the power element comprises a second connecting member and a transmission gear, the transmission gear is threadedly connected to a second threaded hole on the second output shaft through the second connecting member.

[0015] In the cleaning robot of an embodiment of the present application, the sealing cabin comprises a cabin body and a second mounting seat fixed on the cabin body, the second mounting seat is provided with a second through hole through which the second output shaft passes, and the first sealing assembly is arranged between the second output shaft and an inner side wall of the second through hole.

[0016] In the cleaning robot of an embodiment of the present application, the first sealing assembly comprises a second oil seal having a second fitting portion and a second sealing lip, the second oil seal is fixed in the second through hole through the second fitting portion, and the second output shaft is in contact with the second sealing lip.

[0017] In the cleaning robot of an embodiment of the present application, the sealing cabin comprises a third sealing assembly, which is arranged at a connection between the second mounting seat and the cabin body.

[0018] In the cleaning robot of an embodiment of the present application, the diameter of the output shaft is in the range of 6 mm to 10 mm.

[0019] The technical scheme provided by the embodiment of the application can have the following beneficial effects: the application designs a cleaning robot, which comprises a machine body, an electronic assembly and a sealed cabin, the sealed cabin is located in a containing cavity in the machine body, and the electronic assembly is arranged in the sealed cabin, so that individual sealing protection is not required for each electronic element, the structure is simplified, the manufacturing difficulty is reduced, and the cost is saved. The electronic assembly comprises a driving member, the driving member has an output shaft penetrating through and extending out of the sealed cabin, the inside of the output shaft is provided with a threaded hole, the threaded hole is used to be connected with a power element of the cleaning robot, the first sealing assembly is prevented from being scratched by external threads on the output shaft to cause sealing performance failure, the first sealing assembly can be closely attached to the output shaft, external water or other liquid is effectively prevented from entering the sealed cabin, the service life of the first sealing assembly is greatly improved while the sealing performance of the first sealing assembly is ensured.

[0020] It should be understood that the foregoing general description and the following detailed description are only exemplary and explanatory and are not restrictive of the application. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme of the embodiments of the application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor.

[0022] Figure 1 is a structural schematic diagram of a cleaning robot provided by an embodiment of the application;

[0023] Figure 2 is an exploded schematic diagram of the cleaning robot in Figure 1

[0024] Figure 3 is a structural schematic diagram of the sealed cabin in Figure 2

[0025] Figure 4 is a sectional view of the sealed cabin in Figure 3

[0026] Figure 5 is a sectional view of the sealed cabin in Figure 3

[0027] Figure 6 is an exploded schematic diagram of the sealed cabin in Figure 3

[0028] Figure 7 is a sectional view of the sealed cabin in Figure 3 ​​​​​​

[0029] Figure 8 is Figure 3 is a cross-sectional view of the sealed cabin in the fourth angle in

[0030] Figure 9 is Figure 3 is an exploded view of the sealed cabin in the second angle in

[0031] BRIEF DESCRIPTION OF DRAWINGS

[0032] 100, sealed cabin;

[0033] 10, sealed shell; 11, cabin body; 111, mounting cavity; 12, end cover; 13, first mounting seat; 14, second mounting seat;

[0034] 20, electronic assembly; 20a, driving piece; 201, output shaft; 2011, threaded hole; 21, water pump motor; 211, first output shaft; 2111, first threaded hole; 22, driving motor; 221, second output shaft;

[0035] 30, first sealing assembly; 31, first oil seal; 32, second oil seal;

[0036] 40, first locking piece; 50, second sealing assembly; 60, first gland; 70, third sealing assembly;

[0037] 200, fuselage; 201a, containing cavity;

[0038] 300, power element; 301, first power element; 3011, impeller; 302, second power element; 3021, track assembly; 3022, cleaning brush; 3023, transmission gear; 303, first connecting piece; 304, second connecting piece. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, not all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0040] It should also be understood that the terms used herein are merely for the purpose of describing specific embodiments of the present application and are not intended to limit the present application. The terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings based on the orientation or positional relationship shown in the drawings, and are merely for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0041] Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The following examples and features in the examples can be combined with each other without conflict.

[0042] As shown in Figures 1 to 3 The present application provides a cleaning robot, which comprises a body 200, a sealed cabin 100 and a power element 300. The inside of the body 200 forms a containing cavity 201a, the sealed cabin 100 is located in the containing cavity 201a, and the power element 300 is arranged on the body 200 for driving the cleaning robot to move and clean garbage. The electronic assembly 20 is arranged in the sealed cabin 100, which prevents the electronic assembly 20 from contacting water or other liquids outside the sealed cabin 100. This not only ensures the normal operation of the electronic assembly 20, but also simplifies the structure of the cleaning robot. The electronic assembly 20 of the cleaning robot can be integrated in the sealed cabin 100, and each electronic element does not need to be individually sealed and protected, which reduces the packaging difficulty of the cleaning robot, enhances the reliability, and saves the cost.

[0043] In an optional embodiment, the electronic assembly 20 comprises a driving member 20a having an output shaft 201 penetrating and extending out of the sealed cabin 100, and a first sealing assembly 30 is arranged between the output shaft 201 and the sealed cabin 100, and the inner side of the output shaft 201 is configured with a threaded hole 2011 for connecting with a power element 300 of the cleaning robot, and the outer side of the output shaft 201 is not required to be provided with an external thread for connecting with the power element 300, so that the first sealing assembly 30 can be in contact with the smooth surface thereof during the assembly process, and the sealing performance of the first sealing assembly 30 is not affected, and the first sealing assembly 30 can be in close contact with the smooth surface of the output shaft 201 during the assembly process, so that the water or other liquids outside can be effectively prevented from entering into the sealed cabin 100, and the sealing performance of the first sealing assembly 30 is ensured, and the service life of the first sealing assembly 30 is greatly improved.

[0044] After the above technical scheme is adopted, the inner side of the output shaft 201 is configured with the threaded hole 2011, the external thread for connecting with the power element 300 is not required to be machined on the outer side of the output shaft 201, that is, the outer side of the output shaft 201 can be machined into a smooth surface, so that when the first sealing assembly 30 is sleeved on the output shaft 201, the first sealing assembly 30 is not in contact with the external thread on the output shaft 201, and the damage caused by scratching is avoided, the sealing effect of the output shaft 201 and the sealed cabin 100 is improved, and the concentricity between the first sealing assembly 30 and the output shaft 201 is ensured, so that the first sealing assembly 30 is uniformly stressed in one direction, the perpendicularity requirement of the first sealing assembly 30 during assembly is ensured, and the sealing effect is greatly improved.

[0045] For example, the sealed cabin 100 comprises a sealed shell 10, the sealed shell 10 comprises a cabin body 11 and an end cover 12, the inside of the cabin body 11 is formed with a mounting cavity 111, the electronic assembly 20 is arranged in the mounting cavity 111, and the end cover 12 is assembled on the open end of the mounting cavity 111 to block the open end of the mounting cavity 111, so that the mounting cavity 111 can form a sealed space to prevent the external liquids and dust and other pollutants from entering, thereby effectively protecting the electronic assembly 20 in the mounting cavity 111.

[0046] In an optional embodiment, the power element 300 comprises a first power element 301 for generating suction and a second power element 302 for cleaning and / or controlling the movement of the fuselage 200, and the first power element 301 and the first power element 301 can be arranged on the same side or different sides of the sealed cabin 100.

[0047] In an optional embodiment, the first power element 301 comprises an impeller 3011 arranged at the upper end of the sealed cabin 100 and connected with the output shaft 201 of the driving member 20a, so that the driving member 20a can drive the impeller 3011 to rotate to generate negative pressure, so that water can enter from the outside of the machine body 200 to the inside of the machine body 200 and be discharged after filtration, thereby achieving the cleaning effect.

[0048] In an optional embodiment, the second power element 302 comprises a track assembly 3021 arranged at both sides of the machine body 200 and in driving connection with the driving member 20a, for driving the cleaning robot to move for underwater cleaning.

[0049] In an optional embodiment, the second power element 302 comprises a cleaning brush 3022 arranged at the front and rear sides of the machine body 200 and in connection with the driving mechanism, for wiping the surface of the area to be cleaned during underwater cleaning and collecting garbage during surface cleaning.

[0050] In an optional embodiment, the second power element 302 comprises a transmission gear 3023, and the driving member 20a is in driving connection with the track assembly 3021 and the cleaning brush 3022 through the transmission gear 3023, so as to drive the track assembly 3021 and the cleaning brush 3022 to rotate, so that the cleaning robot can collect garbage during movement, and the track assembly 3021 and the cleaning brush 3022 share one driving member 20a, without the need for other power structures, so that the overall structure of the cleaning robot is relatively simple and convenient to use.

[0051] In an optional embodiment, as shown in Figures 4 to 6 the driving member 20a comprises a water pump motor 21 with a first output shaft 211, the power element 300 comprises a first connecting member 303 and the impeller 3011, and the impeller 3011 is in threaded connection with a first threaded hole 2111 on the first output shaft 211 through the first connecting member 303, so that the impeller 3011 can be driven by the water pump motor 21 to rotate to generate suction force, so as to suck water from the outside of the machine body 200 and discharge it after filtration, thereby achieving the cleaning effect. In this embodiment, the first connecting member 303 is a screw structure, and the first sealing assembly 30 is arranged between the first output shaft 211 and the sealed cabin 100 to play a sealing role, for isolating and sealing the mounting cavity 111 from the outside.

[0052] In an optional embodiment, the sealed cabin 100 comprises a first mounting seat 13, the first mounting seat 13 is provided with a first through hole for the first output shaft 211 to pass through, and the first sealing assembly 30 is arranged between the first output shaft 211 and the inner side wall of the first through hole, so as to realize the sealing between the first output shaft 211 and the first mounting seat 13, and prevent the liquid outside the sealed cabin 100 from entering the gap between the first output shaft 211 and the first mounting seat 13, thereby affecting the normal work of the electronic assembly 20.

[0053] In an optional embodiment, the diameter of the first output shaft 211 is in the range of 6 mm to 10 mm, so as to avoid that the diameter of the first output shaft 211 is too small to cause the hole diameter of the first threaded hole 2111 to be too small, thereby affecting the strength of the first output shaft 211 and the first connecting piece 303, and also reducing the friction force and heat generation of the first output shaft 211; or when the first output shaft 211 is too large, the contact area between the first output shaft 211 and the first sealing assembly 30 will increase, thereby causing the heat generation and friction force to increase. Therefore, the diameter of the first output shaft 211 is set in the range of 6 mm to 10 mm, so as to not only ensure the strength of the first output shaft 211 and the first connecting piece 303, but also reduce the friction force and heat generation of the first output shaft 211, thereby avoiding the friction loss between the first output shaft 211 and the first sealing assembly 30 during rotation.

[0054] In an optional embodiment, the first sealing assembly 30 comprises a first oil seal 31, the first oil seal 31 has a first fitting part and a first sealing lip, the first oil seal 31 is fixed in the first through hole through the first fitting part, and the first output shaft 211 is in contact with the first sealing lip, so as to not only realize the sealing between the first output shaft 211 and the first mounting seat 13, but also solve the problem of wear of the first sealing assembly 30 caused by high-speed rotation of the first output shaft 211.

[0055] In an optional embodiment, the number of the first oil seal 31 is two, and the two first oil seals 31 are arranged in the axial direction of the first output shaft 211, so as to realize the double sealing between the first output shaft 211 and the first mounting seat 13, and ensure the sealing effect of the first output shaft 211.

[0056] In an optional embodiment, the sealed cabin 100 comprises a first gland 60, the first gland 60 is arranged between the first mounting seat 13 and the impeller 3011 shaft and abuts against the first sealing assembly 30, so as to prevent the garbage from entering the first sealing lip when the cleaning robot is cleaning, thereby avoiding damaging the first sealing lip.

[0057] In an optional embodiment, the sealed cabin 100 comprises a first locking member 40, and the first mounting seat 13 is fixed to the end cover 12 through the first locking member 40. In this embodiment, the first locking member 40 is a nut structure, the first mounting seat 13 is provided with an external threaded portion, and the nut structure is threadedly connected with the external threaded portion to fix the first mounting seat 13 to the end cover 12.

[0058] In an optional embodiment, the sealed cabin 100 comprises a second sealing assembly 50, which is arranged at the connection between the first mounting seat 13 and the end cover 12 body to seal the gap between the first mounting seat 13 and the end cover 12, so as to prevent external liquid from penetrating into the sealed cabin 100 and affecting the electronic components 20 in the mounting cavity 111, such as short circuit and corrosion, thereby protecting the electronic components 20 in the mounting cavity 111.

[0059] In an optional embodiment, the second sealing assembly 50 comprises a first sealing ring and a second sealing ring, the outer side wall of the first mounting seat 13 is provided with a first annular groove, the end cover 12 is provided with a first mounting hole, the bottom of the first mounting seat 13 is provided with a second annular groove on the side facing the end cover 12 body, the first sealing ring is arranged in the third annular groove and abuts against the inner side wall of the first mounting hole, and the second sealing ring is arranged in the second annular groove and abuts against the inner side wall of the end cover 12, so that the first mounting seat 13 can form a circumferential seal between the first sealing ring and the first mounting hole, and the first mounting seat 13 can form an end face seal between the second sealing ring and the inner side wall of the end cover 12, thereby preventing external liquid from penetrating into the mounting cavity 111 from the connection between the first mounting seat 13 and the first mounting hole.

[0060] In an optional embodiment, as shown in Figures 7 to 9 the driving member 20a comprises a driving motor 22 with a second output shaft 221, the power element 300 comprises a second connecting member 304 and a transmission gear 3023, the transmission gear 3023 is threadedly connected with a second connecting hole on the second output shaft 221 through the second connecting member 304, so that the transmission gear 3023 can be driven to rotate by the driving motor 22 to drive the track assembly 3021 and the cleaning brush 3022 to work. In this embodiment, the first connecting member 303 is a screw structure, and the first sealing assembly 30 is arranged between the second output shaft 221 and the sealed cabin 100 to play a sealing role for isolating and sealing the mounting cavity 111 from the outside.

[0061] In an optional embodiment, the diameter of the second output shaft 221 is in the range of 6 mm to 10 mm, so as to avoid that the diameter of the second output shaft 221 is too small to cause the hole diameter of the first threaded hole 2111 to be too small, thereby affecting the strength of the second output shaft 221 and the second connecting piece 304, and also reducing the friction and heat generation of the second output shaft 221; or when the second output shaft 221 is too large, the contact area between the second output shaft 221 and the first sealing assembly 30 will increase, thereby causing the heat generation and friction to increase. Therefore, the diameter of the second output shaft 221 is set in the range of 6 mm to 10 mm, so as to not only ensure the strength of the second output shaft 221 and the second connecting piece 304, but also reduce the friction and heat generation of the second output shaft 221, thereby avoiding the friction loss between the second output shaft 221 and the first sealing assembly 30 during rotation.

[0062] In an optional embodiment, the sealing cabin 100 includes the cabin body 11 and the second mounting seat 14 fixed on the cabin body 11, the second mounting seat 14 is provided with a second through hole for the second output shaft 221 to pass through, and the first sealing assembly 30 is arranged between the second output shaft 221 and the inner side wall of the second through hole, so as to realize the sealing between the second output shaft 221 and the second mounting seat 14, thereby avoiding that the liquid outside the sealing cabin 100 enters the mounting cavity 111 from the gap between the second output shaft 221 and the second mounting seat 14, and affecting the normal work of the electronic assembly 20.

[0063] In an optional embodiment, the first sealing assembly 30 includes a second oil seal 32, the second oil seal 32 has a second fitting part and a second sealing lip, the second oil seal 32 is fixed in the second through hole through the second fitting part, and the second output shaft 221 is in contact with the second sealing lip, so as to not only realize the sealing between the second output shaft 221 and the second mounting seat 14, but also solve the problem of wear of the first sealing assembly 30 caused by high-speed rotation of the second output shaft 221.

[0064] In an optional embodiment, the sealing cabin 100 includes a second gland, the second gland is arranged between the second mounting seat 14 and the transmission gear 3023 and abuts against the second sealing assembly 50, so as to prevent the garbage from entering the second sealing lip when the cleaning robot is cleaning, thereby avoiding damaging the second sealing lip.

[0065] In an optional embodiment, the sealing cabin 100 includes a second locking piece, and the second mounting seat 14 is fixed on the cabin body 11 through the second locking piece. The second locking piece is a screw structure, the second mounting seat 14 is provided with a screw fixing hole, and the screw structure is fixedly connected with the cabin body 11 after passing through the screw fixing hole, so as to fix the second mounting seat 14 on the end cover 12.

[0066] In an alternative embodiment, the sealed cabin 100 comprises a third sealing assembly 70 arranged at the joint between the second mounting base 14 and the cabin body 11, for sealing the gap between the second mounting base 14 and the cabin body 11, preventing external liquid from entering the mounting cavity 111 from the gap between the second mounting base 14 and the cabin body 11.

[0067] In an alternative embodiment, as shown in Figures 4 to 9 The diameter of the output shaft 201 is in the range of 6 mm to 10 mm, which avoids too small diameter of the output shaft 201, causing the hole diameter of the first threaded hole 2111 to be too small, thereby affecting the strength of the output shaft 201 and the connecting piece, and can also reduce the friction and heat of the output shaft 201; or when the output shaft 201 is too large, the contact area between the output shaft 201 and the first sealing assembly 30 will increase, thereby causing the heat and friction to increase. Therefore, the diameter of the output shaft 201 is set in the range of 6 mm to 10 mm, which can not only ensure the strength of the output shaft 201 and the connecting piece, but also reduce the friction and heat of the output shaft 201, avoiding friction loss between the output shaft 201 and the first sealing assembly 30 during rotation.

[0068] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected. It can be mechanically connected, or electrically connected. It can be directly connected, or indirectly connected through an intermediate medium. It can be the communication between two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0069] In the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0070] The foregoing disclosure provides many different embodiments or examples for implementing different structures of the present application. For simplicity of disclosure, the foregoing description has focused on a particular example of a component or a particular example of a process flow. In the interest of simplifying the present disclosure, the foregoing description has not provided variations of the components or the process flow that can be used in different examples. It is to be understood that the disclosure is intended to encompass all such variations, modifications and other implementations of the present application as well as many others not particularly recited herein. Additionally, it is to be understood that the description of a particular example or implementation should not necessarily be taken as an implicit disclaimer of other embodiments or examples.

[0071] In the description of the present application, the terms "one embodiment", "some embodiments", "an exemplary embodiment", "an example", "a specific example" or "some examples" are intended to mean that a particular feature, structure, material, or characteristic is included in at least one embodiment or example of the present application. The appearances of the above terms in various places in the specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics can be combined in any suitable manner in one or more embodiments or examples.

Claims

1. A cleaning robot, characterized in that, The utility model relates to a kind of cleaning robot drive system, including: Machine body, the inside of the machine body forms containing cavity; Sealing cabin, the sealing cabin is located in the containing cavity, and electronic assembly is arranged in the sealing cabin; Wherein, the electronic assembly includes driving piece, the driving piece has output shaft passing through and extending the sealing cabin, first sealing assembly is equipped between the output shaft and the sealing cabin, the inside of the output shaft is configured with threaded hole, and the threaded hole is used to connect with the power element of cleaning robot.

2. The cleaning robot according to claim 1, wherein, The driving piece includes water pump motor with first output shaft, and the power element includes first connecting piece and impeller, and the impeller is threadedly connected with the first threaded hole on the first output shaft by the first connecting piece.

3. The cleaning robot according to claim 2, wherein, The sealing cabin includes first mounting seat, the first mounting seat is equipped with first through hole for the first output shaft to pass through, and the first sealing assembly is arranged between the first output shaft and the inner side wall of the first through hole.

4. The cleaning robot according to claim 3, wherein, The first sealing assembly includes first oil seal, the first oil seal has first fitting part and first sealing lip, the first oil seal is fixed in the first through hole by the first fitting part, and the first output shaft contacts the first sealing lip;And / or, The sealing cabin includes first gland, and the first gland is arranged between the first mounting seat and the impeller shaft and abuts against the first sealing assembly.

5. The cleaning robot according to claim 3, wherein, The sealing cabin includes end cover body, second sealing assembly and first locking piece, the first mounting seat is fixed on the end cover by the first locking piece, and the second sealing assembly is arranged at the junction between the first mounting seat and the end cover body.

6. The cleaning robot according to claim 1, wherein, The driving piece includes driving motor with second output shaft, and the power element includes second connecting piece and transmission gear, and the transmission gear is threadedly connected with the second threaded hole on the second output shaft by the second connecting piece.

7. The cleaning robot according to claim 6, wherein, The sealing cabin includes cabin body and second mounting seat fixed on the cabin body, and the second mounting seat is equipped with second through hole for the second output shaft to pass through, and the first sealing assembly is arranged between the second output shaft and the inner side wall of the second through hole.

8. The cleaning robot according to claim 7, wherein, The first sealing assembly includes second oil seal, the second oil seal has second fitting part and second sealing lip, the second oil seal is fixed in the second through hole by the second fitting part, and the second output shaft contacts the second sealing lip.

9. The cleaning robot according to claim 7, wherein, The sealing cabin includes third sealing assembly, and the third sealing assembly is arranged at the junction between the second mounting seat and the cabin body.

10. The cleaning robot according to claim 1, wherein, The diameter of the output shaft is in the range of 6mm to 10mm.

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