Cleaning robot

Abstract

The present invention relates to the field of cleaning robots, and provides a cleaning robot, which includes a base, a middle shell covering the base and detachably connected to the base, a walking wheel assembly connected to the base, and a protective cover structure integrally connected to at least one of the middle shell and the base. The protective cover structure, the base and the middle shell jointly enclose a protective cavity for accommodating the walking wheel assembly. The base is further provided with an opening communicating the protective cavity to the outside, and a part of the walking wheel assembly is exposed outside the opening. When forming the base or the middle shell of the cleaning robot, the part integrally connected to the protective cover structure is formed together. In this way, when the walking wheel assembly is connected to the base and the base and the middle shell are connected to each other, a relatively independent protective cavity can be directly jointly enclosed by the side surface of the base facing the middle shell, the protective cover structure, and the side surface of the middle shell facing the base to protect the walking wheel assembly. The structure of the cleaning robot can be simplified, the assembly convenience can be improved, and the production efficiency of the cleaning robot can be improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of cleaning robots, and particularly relates to a cleaning robot. Background Art

[0002] Existing cleaning robots usually need to be externally provided with a protective cover to wrap and protect the walking wheel assembly. Inevitably, this leads to a complex structure of the cleaning robot, low production efficiency, and poor assembly convenience. Summary of the Invention

[0003] The purpose of the embodiments of the present invention is to provide a cleaning robot to solve the technical problems of the complex structure, low production efficiency, and poor assembly convenience of existing cleaning robots.

[0004] To achieve the above purpose, the technical solution adopted by the present invention is: a cleaning robot, including a base, a middle shell covering the base and detachably connected to the base, a walking wheel assembly connected to the base, and a protective cover structure integrally connected to at least one of the middle shell and the base. The protective cover structure, the base, and the middle shell jointly enclose a protective cavity for accommodating the walking wheel assembly. The base is further provided with an opening communicating the protective cavity to the outside, and a part of the walking wheel assembly is exposed outside the opening.

[0005] In one embodiment, the protective cover structure includes a first sub-shell connected to the base and a second sub-shell connected to the middle shell. The first sub-shell is spliced with the second sub-shell. The first sub-shell and the base enclose a first cavity, and the second sub-shell and the middle shell enclose a second cavity communicating with the first cavity. The first cavity and the second cavity form the protective cavity.

[0006] In one embodiment, the first sub-shell is integrally provided with the base, and the second sub-shell is integrally provided with the middle shell; or, the first sub-shell is detachably connected to the base, and the second sub-shell is integrally provided with the middle shell; or, the first sub-shell is integrally provided with the base, and the second sub-shell is detachably connected to the middle shell.

[0007] In one embodiment, the protective cover structure is detachably connected to the base, the protective cover structure is integrally provided with the middle shell, and the whole protective cover structure can be detached and separated from the base along with the middle shell.

[0008] In one embodiment, the protective cover structure is detachably connected to the middle shell, the protective cover structure is integrally provided with the base, and the whole protective cover structure can be detached and separated from the middle shell along with the base.

[0009] In one embodiment, the cleaning robot further includes a blower and a duct structure. The blower is fixed between the base and the middle shell. The duct structure is integrally connected to at least one of the middle shell and the base. The duct structure, the middle shell, and the base enclose an exhaust passage. One end of the exhaust passage communicates with the blower, and the other end communicates with the outside.

[0010] In one embodiment, at least part of the exhaust passage surrounds the protective cover structure.

[0011] In one embodiment, the exhaust passage includes an air inlet section, a turning section, and an air exhaust section that are connected in sequence. The air inlet section is hermetically connected to the air outlet end of the blower. The turning section partially surrounds the protective cover structure. The air exhaust section communicates with the outside.

[0012] In one embodiment, one end of the air inlet section away from the blower is connected to the protective cover structure. The turning section extends along the side wall of the protective cover structure, and at least part of the side wall of the turning section is formed by the side wall of the protective cover structure.

[0013] In one embodiment, the duct structure includes a first half shell connected to the base and a second half shell connected to the middle shell. The first half shell and the second half shell are spliced together. The first half shell and the base enclose a first passage. The second half shell and the middle shell enclose a second passage that communicates with the first passage. The first passage and the second passage form the exhaust passage.

[0014] In one embodiment, the first half shell is integrally provided with the base, and the second half shell is integrally provided with the middle shell; alternatively, the first half shell is detachably connected to the base, and the second half shell is integrally provided with the middle shell; alternatively, the first half shell is integrally provided with the base, and the second half shell is detachably connected to the middle shell.

[0015] In one embodiment, a roller brush groove is provided on one side of the base away from the middle shell. A part of the base corresponding to the roller brush groove protrudes towards the middle shell to form a protruding structure. The protruding structure partially protrudes on the inner wall of the exhaust passage.

[0016] The beneficial effects provided by the present invention are as follows:

[0017] When forming the base or the middle shell of the cleaning robot provided by the embodiment of the present invention, the part integrally connected to the protective cover structure is formed together. Based on this, when the walking wheel assembly is connected to the base and the base and the middle shell are connected and closed to each other, a relatively independent protective cavity can be directly formed by jointly enclosing the side of the base facing the middle shell, the protective cover structure, and the side of the middle shell facing the base to protect the walking wheel assembly. Therefore, by adopting the above scheme, the structure of the cleaning robot can be effectively simplified, the assembly convenience can be improved, thereby the production efficiency of the cleaning robot can be effectively improved, and the miniaturization design of the cleaning robot can be facilitated to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0019] Figure 1 Stereo schematic diagram of the cleaning robot provided by the embodiment of the present invention;

[0020] Figure 2 is Figure 1 Exploded view of part of the structure of the provided cleaning robot;

[0021] Figure 3 is Figure 1 Cross-sectional view of the provided cleaning robot;

[0022] Figure 4 Exploded schematic diagram of the walking wheel assembly, walking bracket and rotating shaft provided by the embodiment of the present invention;

[0023] Figure 5 is Figure 4 Cooperating schematic diagram of the walking wheel assembly, walking bracket and rotating shaft provided;

[0024] Figure 6 Exploded schematic diagram of the base, walking wheel assembly, walking bracket and elastic component provided by the embodiment of the present invention;

[0025] Figure 7 is Figure 6 Cooperating schematic diagram of the base, walking wheel assembly, walking bracket and elastic component provided;

[0026] Figure 8 Cooperating schematic diagram of the base, blower and sound insulation structure provided by the embodiment of the present invention

[0027] Figure 9 Structure schematic diagram of the middle shell provided by the embodiment of the present invention.

[0028] Among them, the reference numerals in the figures are as follows:

[0029] 10 - base, 11 - opening, 12 - protruding structure, 20 - middle shell, 30 - walking wheel assembly, 31 - rotation connection hole, 40 - protective cover structure, 41 - first sub - shell, 42 - second sub - shell, 50 - walking bracket, 51 - rotation support hole, 60 - rotating shaft; 70 - elastic component, 71 - tension spring, 80 - sound - absorbing structure, 90 - fan, 91 - air outlet end, 100 - air duct structure, 110 - first half - shell, 120 - second half - shell, 101 - exhaust air channel, 1011 - air inlet section, 1012 - turning section, 1013 - exhaust section, 1014 - first channel, 1015 - second channel. Detailed implementation manners

[0030] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0031] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention.

[0032] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more unless otherwise specifically defined.

[0033] In the present invention, unless otherwise clearly defined and limited, the terms "installed", "connected", "connected", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and may be the internal connection of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] The following provides a more detailed description of the specific implementation of the present invention in conjunction with specific embodiments:

[0035] Embodiment 1

[0036] Please refer to Figure 1 、 Figure 2 、 Figure 7 、 Figure 9 In this embodiment of the present invention, a cleaning robot is provided, including a base 10, a middle shell 20 that covers and is detachably connected to the base 10, a walking wheel assembly 30 connected to the base 10, and a protective cover structure 40 integrally connected to at least one of the middle shell 20 and the base 10. The protective cover structure 40, the base 10, and the middle shell 20 jointly enclose a protective cavity for accommodating the walking wheel assembly 30. The base 10 is also provided with an opening 11 that communicates the protective cavity to the outside, and a part of the walking wheel assembly 30 is exposed outside the opening 11.

[0037] It can be understood that the cleaning robot can be any one of a floor sweeping robot, a sweeping and mopping integrated robot, a floor washing robot, a floor scrubbing robot, or a window cleaning robot, etc., which is not limited herein.

[0038] It should be noted here that the number of the walking wheel assembly 30, the protective cover structure 40, and the opening 11 is the same, and each has at least two. The cleaning robot can jointly achieve smooth and stable walking and obstacle crossing through multiple walking wheel assemblies 30 that are all partially exposed outside the opening 11.

[0039] It should also be noted here that when forming the base 10 or the middle shell 20, the part integrally connected to the protective cover structure 40 is formed together. In this way, when the walking wheel assembly 30 is already connected to the base 10 and the base 10 and the middle shell 20 are connected and covered with each other, the side of the base 10 facing the middle shell 20, the protective cover structure 40, and the side of the middle shell 20 facing the base 10 can directly jointly enclose a relatively independent protective cavity, and the walking wheel assembly 30 is protected therein, so as to ensure that the walking wheel assembly 30 can smoothly, stably, and smoothly achieve walking and obstacle crossing.

[0040] In summary, when forming the base 10 or the middle shell 20 in the cleaning robot provided by the embodiment of the present invention, the part integrally connected to the protective cover structure 40 is formed together. Based on this, when the walking wheel assembly 30 is connected to the base 10 and the base 10 and the middle shell 20 are connected and covered with each other, a relatively independent protective cavity can be directly jointly enclosed by the side of the base 10 facing the middle shell 20, the protective cover structure 40, and the side of the middle shell 20 facing the base 10 to protect the walking wheel assembly 30. Therefore, by adopting the above scheme, the structure of the cleaning robot can be effectively simplified, the assembly convenience can be improved, thereby the production efficiency of the cleaning robot can be effectively improved, and to a certain extent, it is beneficial to the miniaturization design of the cleaning robot.

[0041] Please refer to Figure 2 、 Figure 7 、 Figure 9 In this embodiment, the protective cover structure 40 includes a first sub-shell 41 connected to the base 10 and a second sub-shell 42 connected to the middle shell 20. The first sub-shell 41 and the second sub-shell 42 are spliced together. The first sub-shell 41 and the base 10 enclose a first cavity, and the second sub-shell 42 and the middle shell 20 enclose a second cavity communicating with the first cavity. The first cavity and the second cavity form a protective cavity.

[0042] It should be noted here that when the base 10 and the middle shell 20 are covered with each other, the first sub-shell 41 and the second sub-shell 42 can be spliced relatively, and the first cavity and the second cavity are docked and communicated to form a protective cavity. Based on this, the assembly alignment accuracy can be improved, the assembly convenience can be improved, and a part of the fixing structure required for the base 10 and the middle shell 20 at the protective cover structure 40 can be omitted, so that the cost can be saved and the space utilization rate can be improved, that is, it is beneficial to the miniaturized design of the cleaning robot.

[0043] Please refer to Figure 2 、 Figure 7 、 Figure 9 In this embodiment, the first sub-shell 41 is integrally provided with the base 10, and the second sub-shell 42 is integrally provided with the middle shell 20; alternatively, the first sub-shell 41 is detachably connected to the base 10, and the second sub-shell 42 is integrally provided with the middle shell 20; alternatively, the first sub-shell 41 is integrally provided with the base 10, and the second sub-shell 42 is detachably connected to the middle shell 20.

[0044] By adopting the above scheme, at least one of the first sub-shell 41 and the second sub-shell 42 can be integrally formed when the base 10 or the middle shell 20 is formed, so that the production efficiency and assembly efficiency of the cleaning robot can be effectively improved, and it is beneficial to reduce the fixing structure and thus simplify the structure of the cleaning robot.

[0045] Please refer to Figure 2 、 Figure 8 、 Figure 9 In this embodiment, the cleaning robot further includes a fan 90 and a duct structure 100. The fan 90 is fixed between the base 10 and the middle shell 20. The duct structure 100 is integrally connected to at least one of the middle shell 20 and the base 10. The duct structure 100 and the middle shell 20 and the base 10 enclose an exhaust passage 101. One end of the exhaust passage 101 is connected to the fan 90, and the other end is connected to the outside.

[0046] It should be noted here that after the base 10 and the middle shell 20 are covered with each other, the fan 90 can be limited between the base 10 and the middle shell 20 and is basically fixed relative to the base 10 and the middle shell 20. At the same time, the air duct structure 100, the side of the base 10 facing the middle shell 20, and the side of the middle shell 20 facing the base 10 can jointly enclose to form an exhaust passage 101. One end of the exhaust passage 101 is connected to the air outlet end 91 of the fan 90, and the other end is connected to the outside of the cleaning robot. Therefore, when the fan 90 operates, the airflow discharged from the air outlet end 91 formed by the fan 90 can smoothly enter the exhaust passage 101 docked with the air outlet end 91 and is finally discharged to the outside. During the airflow passing through the exhaust passage 101 and being discharged from the air outlet, the negative pressure of the airflow will be gradually relieved, thereby preliminarily reducing noise. Optionally, a sound-absorbing structure 80 can also be arranged in the exhaust passage 101 to further reduce noise. Based on this, the overall performance of the cleaning robot can be improved, and the customer experience can be enhanced.

[0047] Among them, the air duct structure 100 is integrally connected to at least one of the middle shell 20 and the base 10. In this way, when the base 10 or the middle shell 20 is formed, the part of the air duct structure 100 integrally connected to it can be formed together, thereby further simplifying the structure of the cleaning robot and further improving the production efficiency, assembly convenience and assembly efficiency of the cleaning robot.

[0048] Please refer to Figure 7 、 Figure 8 、 Figure 9 , in this embodiment, the exhaust passage 101 at least partially surrounds the protective cover structure 40.

[0049] By adopting the above scheme, the formed exhaust passage 101 will bypass from the outside of the protective cover structure 40. Based on this, the volume of the exhaust passage 101 can be effectively increased, the layout path of the exhaust passage 101 can be extended, so that it is convenient to better relieve the negative pressure of the airflow through the exhaust passage 101, and it is convenient to arrange a suitable sound-absorbing structure 80 to enhance the noise reduction effect.

[0050] Optionally, the fan 90 is located in the middle of the base 10. Such a setting can help optimize the layout length and volume of the exhaust passage 101, so that it is convenient to better relieve the negative pressure of the airflow through the exhaust passage 101, and it is convenient to optimize the layout of the sound-absorbing structure 80 to enhance the noise reduction effect.

[0051] Please refer to Figure 7 、 Figure 8 、 Figure 9 , in this embodiment, the exhaust passage 101 includes an air inlet section 1011, a turning section 1012 and an exhaust section 1013 that are connected in sequence. The air inlet section 1011 is hermetically connected to the air outlet end 91 of the fan 90, the turning section 1012 partially surrounds the protective cover structure 40, and the exhaust section 1013 is connected to the outside.

[0052] It should be noted here that by setting the turning section 1012, at least one corner can be formed in the exhaust air duct 101. Based on this, when the air flow passes through the corner, it can be blocked and interfered by the duct structure 100, so that the flow direction and velocity are changed, and eddy currents are formed, thereby effectively preventing the air flow from being directly discharged and further alleviating the negative pressure of the air flow. When the sound-absorbing structure 80 is arranged in the exhaust air duct 101, it is also convenient for the sound-absorbing structure 80 to better reduce the noise, and thus the noise reduction effect can be improved.

[0053] It should also be noted here that by partially surrounding the protective cover structure 40 with the turning section 1012, it is beneficial to extend the layout length of the turning section 1012, so that it is convenient to better alleviate the negative pressure of the air flow through the exhaust air duct 101, and it is also convenient to arrange a suitable sound-absorbing structure 80 to enhance the noise reduction effect.

[0054] Please refer to Figure 7 、 Figure 8 、 Figure 9 , in this embodiment, one end of the air inlet section 1011 away from the fan 90 is connected to the protective cover structure 40, the turning section 1012 extends along the side wall of the protective cover structure 40, and at least part of the side wall of the turning section 1012 is formed by the side wall of the protective cover structure 40.

[0055] By adopting the above scheme, at least part of the side wall of the turning section 1012 shares the side wall with part of the protective cover structure 40, that is, at least part of the corresponding part of the duct structure 100 to the turning section 1012 shares the side wall with part of the protective cover structure 40. Based on this, the structural design of the duct structure 100 and the protective cover structure 40 can be optimized, the structural layout can be compacted, thereby improving the processing convenience of the duct structure 100 and the protective cover structure 40, further improving the production efficiency and assembly convenience of the cleaning robot, and being beneficial to the miniaturized design of the cleaning robot.

[0056] Please refer to Figure 7 、 Figure 8 、 Figure 9 , in this embodiment, the duct structure 100 includes a first half shell 110 connected to the connecting base 10 and a second half shell 120 connected to the middle shell 20. The first half shell 110 and the second half shell 120 are spliced together. The first half shell 110 and the base 10 enclose a first channel 1014, and the second half shell 120 and the middle shell 20 enclose a second channel 1015 communicating with the first channel 1014. The first channel 1014 and the second channel 1015 form the exhaust air duct 101.

[0057] It should be noted here that when the base 10 and the middle shell 20 are covered with each other, the first half shell 110 and the second half shell 120 can be spliced relatively, and the first channel 1014 and the second channel 1015 are docked and communicated to form the exhaust channel 101. Based on this, the assembly alignment accuracy can be improved, the assembly convenience can be improved, and a part of the fixing structure required for the base 10 and the middle shell 20 at the air duct structure 100 can be omitted, so that the cost can be saved and the space utilization rate can be improved, that is, it is beneficial to the miniaturized design of the cleaning robot.

[0058] Please refer to Figure 7 、 Figure 8 、 Figure 9 , in this embodiment, the first half shell 110 is integrally provided with the base 10, and the second half shell 120 is integrally provided with the middle shell 20; alternatively, the first half shell 110 is detachably connected to the base 10, and the second half shell 120 is integrally provided with the middle shell 20; alternatively, the first half shell 110 is integrally provided with the base 10, and the second half shell 120 is detachably connected to the middle shell 20.

[0059] By adopting the above scheme, at least one of the first half shell 110 and the second half shell 120 can be integrally formed when the base 10 or the middle shell 20 is formed, so that the production efficiency, assembly convenience and assembly efficiency of the cleaning robot can be effectively improved, and it is beneficial to reduce the fixing structure and thus simplify the structure of the cleaning robot.

[0060] Please refer to Figure 6 、 Figure 7 , in this embodiment, a roller brush groove (not shown in the figure) is provided on one side of the base 10 away from the middle shell 20, and the part of the base 10 corresponding to the roller brush groove protrudes toward the middle shell 20 to form a protruding structure 12, and the protruding structure 12 partially protrudes on the inner wall of the exhaust channel 101. Among them, the roller brush groove can be used to install a roller brush.

[0061] By adopting the above scheme, a part of the protruding structure 12 can share the space with the exhaust channel 101, so that the layout can be further compacted, which is beneficial to the miniaturized design of the cleaning robot.

[0062] Please refer to Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 , in this embodiment, the cleaning robot further includes a traveling bracket 50 disposed in the protection cavity and detachably connected to the base 10. The traveling bracket 50 is fixed relative to the base 10, and the traveling wheel assembly 30 is rotatably connected to the traveling bracket 50.

[0063] Specifically, during assembly, the traveling wheel assembly 30 can be rotatably connected to the traveling bracket 50 first, so that the entire traveling wheel assembly 30 can have a certain degree of rotational freedom relative to the traveling bracket 50. Based on this, while the traveling wheel assembly 30 realizes the traveling function based on its own wheels subsequently, the traveling wheel assembly 30 can also deflect adaptively relative to the traveling bracket 50 according to the traveling road conditions, thereby realizing the obstacle crossing function.

[0064] Subsequently, the traveling bracket 50 can be detachably connected to the base 10, so that the planar position of the traveling bracket 50 and the traveling bracket 50 is basically fixed relative to the base 10. Finally, the base 10 and the middle shell 20 are covered, and a protective cavity that encloses the traveling bracket 50 and the traveling wheel assembly 30 therebetween can be formed jointly by the side of the base 10 facing the middle shell 20, the protective cover structure 40, and the side of the middle shell 20 facing the base 10.

[0065] Therefore, by adopting the above solution, the structure and assembly method of the modular cleaning robot can be realized, thereby further improving the assembly convenience and production efficiency of the cleaning robot.

[0066] Exemplarily, please refer to Figure 4 , a rotating support hole 51 is provided on the traveling bracket 50, and a rotating connection hole 31 is provided on the traveling wheel assembly 30. The traveling wheel assembly 30 can be rotatably connected to the traveling bracket 50 by passing a rotating shaft 60 through the rotating support hole 51 and the rotating connection hole 31.

[0067] Optionally, please refer to Figure 6 , the traveling bracket 50 can be detachably connected to the base 10 by but not limited to screws, which is convenient for connection and has a relatively high connection strength.

[0068] Please refer to Figure 3 , Figure 6 , Figure 7 , in this embodiment, the cleaning robot further includes an elastic component 70 connected between the base 10 and the traveling wheel assembly 30, and the elastic component 70 is used to apply an elastic force pointing to the base 10 to the traveling wheel assembly 30.

[0069] By adopting the above solution, an elastic force pointing to the base 10 can be continuously applied to the traveling wheel assembly 30 through the elastic component 70 connected between the base 10 and the traveling wheel assembly 30. Based on this, on the basis of ensuring that the traveling wheel assembly 30 deflects adaptively relative to the traveling bracket 50 according to the traveling road conditions to realize obstacle crossing, the wheels of the traveling wheel assembly 30 have a tendency to press downward, thereby ensuring the contact friction force of the wheels of the traveling wheel assembly 30 and reducing the risk of slipping of the wheels of the traveling wheel assembly 30.

[0070] Of course, in other possible embodiments, a suspension system may also be used to connect the base 10 and the traveling wheel assembly 30 to achieve a similar effect.

[0071] Optionally, the elastic component 70 includes a tension spring 71. The upper end of the tension spring 71 is connected to the traveling wheel assembly 30, and the lower end of the tension spring 71 is connected to the base 10. By adopting the above solution, the tension spring 71 with the upper end connected to the traveling wheel assembly 30 and the lower end connected to the base 10 can continuously apply a downward (preferably obliquely downward) elastic pulling force to the traveling wheel assembly 30. The connection is convenient, and based on the relatively good axial pulling force of the tension spring 71, the risk of the wheels of the traveling wheel assembly 30 slipping can be further reduced, and it is also beneficial to extend the service life of the cleaning robot to a certain extent.

[0072] Embodiment Two

[0073] The difference between this embodiment and Embodiment One is as follows:

[0074] Please refer to Figure 2 、 Figure 9 , in this embodiment, the protective cover structure 40 is detachably connected to the base 10, the protective cover structure 40 is integrally provided with the middle shell 20, and the whole protective cover structure 40 can be detached and separated from the base 10 along with the middle shell 20.

[0075] It should be noted here that when the middle shell 20 is molded, the whole protective cover structure 40 is molded together, which is convenient for processing and has a high production efficiency. When the middle shell 20 covers the base 10, the protective cover structure 40 can abut against the base 10 to enclose a protection cavity, and the assembly is also relatively convenient.

[0076] Embodiment Three

[0077] The difference between this embodiment and Embodiment One is as follows:

[0078] Please refer to Figure 2 、 Figure 7 , in this embodiment, the protective cover structure 40 is detachably connected to the middle shell 20, the protective cover structure 40 is integrally provided with the base 10, and the whole protective cover structure 40 can be detached and separated from the middle shell 20 along with the base 10.

[0079] It should be noted here that when the base 10 is molded, the whole protective cover structure 40 is molded together, which is convenient for processing and has a high production efficiency. When the middle shell 20 covers the base 10, the protective cover structure 40 can abut against the base 10 to enclose a protection cavity, and the assembly is also relatively convenient.

[0080] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, or improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A cleaning robot, characterized in that, It includes a base, a middle shell that covers the base and is detachably connected to the base, a traveling wheel assembly connected to the base, and a protective cover structure integrally connected to at least one of the middle shell and the base. The protective cover structure, the base, and the middle shell jointly enclose a protective cavity for accommodating the traveling wheel assembly. The base is also provided with an opening that communicates the protective cavity to the outside, and a part of the traveling wheel assembly is exposed outside the opening. The protective cover structure includes a first sub-shell connected to the inside of the base and a second sub-shell connected to the inside of the middle shell. The first sub-shell is spliced with the second sub-shell. The first sub-shell and the base enclose a first cavity, and the second sub-shell and the middle shell enclose a second cavity that communicates with the first cavity. The first cavity and the second cavity form the protective cavity.

2. The cleaning robot according to claim 1, wherein, The first sub-shell is integrally provided with the base, and the second sub-shell is integrally provided with the middle shell; alternatively, the first sub-shell is detachably connected to the base, and the second sub-shell is integrally provided with the middle shell; alternatively, the first sub-shell is integrally provided with the base, and the second sub-shell is detachably connected to the middle shell.

3. The cleaning robot according to claim 1, characterized in that, The protective cover structure is detachably connected to the base, and the protective cover structure is integrally provided with the middle shell. The whole protective cover structure can be detached and separated from the base along with the middle shell.

4. The cleaning robot according to claim 1, characterized in that The protective cover structure is detachably connected to the middle shell, and the protective cover structure is integrally provided with the base. The whole protective cover structure can be detached and separated from the middle shell along with the base.

5. The cleaning robot according to claim 1, wherein, The cleaning robot further includes a blower and an air duct structure. The blower is fixed between the base and the middle shell. The air duct structure is integrally connected to at least one of the middle shell and the base. The air duct structure, the middle shell, and the base enclose an exhaust passage. One end of the exhaust passage communicates with the blower, and the other end communicates with the outside.

6. The cleaning robot according to claim 5, wherein, At least a part of the exhaust passage surrounds the protective cover structure.

7. The cleaning robot according to claim 6, characterized in that, The exhaust passage includes an air inlet section, a turning section, and an exhaust section that are sequentially connected. The air inlet section is hermetically connected to the air outlet end of the blower. The turning section partially surrounds the protective cover structure, and the exhaust section communicates with the outside.

8. The cleaning robot according to claim 7, characterized in that, One end of the air inlet section away from the blower is connected to the protective cover structure. The turning section extends along the side wall of the protective cover structure, and at least a part of the side wall of the turning section is formed by the side wall of the protective cover structure.

9. The cleaning robot according to claim 5, characterized in that, The air duct structure includes a first half shell connected to the base and a second half shell connected to the middle shell. The first half shell is spliced with the second half shell. The first half shell and the base enclose a first channel, and the second half shell and the middle shell enclose a second channel that communicates with the first channel. The first channel and the second channel form the exhaust passage.

10. The cleaning robot according to claim 9, characterized in that, The first half shell is integrally provided with the base, and the second half shell is integrally provided with the middle shell; alternatively, the first half shell is detachably connected to the base, and the second half shell is integrally provided with the middle shell; alternatively, the first half shell is integrally provided with the base, and the second half shell is detachably connected to the middle shell.

11. The cleaning robot according to claim 5, characterized in that, A brush roll groove is provided on one side of the base away from the middle shell, and a part of the base corresponding to the brush roll groove protrudes towards the middle shell to form a protruding structure, and a part of the protruding structure protrudes from the inner wall of the exhaust air passage.

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