A suction motor assembly and a floor cleaning robot

Abstract

This application provides a suction motor device and a floor cleaning robot. The suction motor device includes a housing and a suction motor. The housing has a receiving cavity. The suction motor is housed in the receiving cavity and connected to the housing. The suction motor has a working air duct, a cooling air duct, and a partition. The working air duct and the cooling air duct are arranged at intervals and isolated by the partition. The output end of the working air duct and the input end of the cooling air duct are on the same side of the suction motor. The output end of the working air duct is used to output cold air. The input end of the cooling air duct is used to input cold air. The input end of the cooling air duct and the output end of the working air duct are arranged in a staggered manner to facilitate separate arrangement of the working air duct and the cooling air duct, avoiding the working air duct from drawing in hot air output by the cooling air duct, improving the heat dissipation efficiency of the suction motor assembly, and increasing the lifespan of the suction motor assembly.

Description

Technical Field

[0001] This utility model relates to the technical field of floor cleaning robots, and more particularly to a suction motor assembly and a floor cleaning robot. Background Technology

[0002] With the development of technology, floor cleaning robots are being applied in industry. These robots play a highly efficient cleaning role, reducing labor costs while improving work efficiency and cleanliness. The suction motor assembly is a component of the floor cleaning robot. In existing technology, the suction motor assembly includes a housing and a suction motor connected to the housing. The rear of the suction motor draws in cold air, while the sides blow out hot air for cooling. However, there is no insulation between the cold and hot air, allowing hot air to be easily drawn back in, resulting in poor heat dissipation in existing suction motor assemblies. Utility Model Content

[0003] The purpose of this utility model is to provide a suction motor assembly and a floor cleaning robot. The housing has a receiving cavity; the suction motor is housed in the receiving cavity and connected to the housing; the suction motor has a working air duct, a heat dissipation air duct, and a partition, the working air duct and the heat dissipation air duct are arranged at intervals and isolated by the partition; the output end of the working air duct and the input end of the heat dissipation air duct are on the same side of the suction motor; the output end of the working air duct is used to output cold air; the input end of the heat dissipation air duct is used to input cold air; the output end of the working air duct and the input end of the heat dissipation air duct are on the same side of the suction motor; the input end of the heat dissipation air duct and the output end of the working air duct are staggered to allow the working air duct and the heat dissipation air duct to be arranged separately, avoiding the working air duct from drawing in hot air output by the heat dissipation air duct, improving the heat dissipation efficiency of the suction motor assembly, and increasing the life of the suction motor assembly.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a suction motor assembly, applied to a floor cleaning robot, the suction motor assembly comprising:

[0005] The casing has a receiving cavity;

[0006] A suction motor is housed in the receiving cavity and connected to the cover. The suction motor has a working air duct, a heat dissipation air duct, and a partition. The working air duct and the heat dissipation air duct are arranged at intervals and isolated by the partition. The output end of the working air duct and the input end of the heat dissipation air duct are on the same side of the suction motor. The output end of the working air duct is used to output cold air. The input end of the heat dissipation air duct is used to input cold air. The output end of the working air duct and the input end of the heat dissipation air duct are on the same side of the suction motor. The input end of the heat dissipation air duct and the output end of the working air duct are arranged in a staggered manner.

[0007] Optionally, the suction motor includes a housing, a motor body, and fan blades;

[0008] The partition is built into the housing and together with the housing to form the working air duct and the heat dissipation air duct; the heat dissipation air duct is opened in the partition and passes through the partition; the motor body is installed in the partition and is located inside the partition; the gas flowing through the heat dissipation air duct dissipates heat from the motor body;

[0009] The motor body is connected to the fan blade and drives the fan blade to rotate; the fan blade is located in the working air duct and drives the flow of gas in the working air duct when rotating.

[0010] Optionally, the partition is provided with a mounting groove; the motor body is provided with a mounting part, which is sealed and installed in the partition and is located in the mounting groove;

[0011] The partition is provided at the end of the motor body away from the fan blade, and the peripheral sidewall of the end of the motor body away from the fan blade is sealed to the partition.

[0012] The partition is provided with a first outlet, which is arranged horizontally and serves as the outlet of the heat dissipation duct.

[0013] Optionally, the partition is provided with a first inner cavity, which communicates with the first outlet and accommodates the heating element in the motor body;

[0014] The motor body is provided with a first input port, which is located at the end of the motor body away from the fan blades and is used to absorb cold air from the external environment. The first input port is connected to the external environment and the first inner cavity, and is connected to the first outlet through the first inner cavity.

[0015] Optionally, the housing portion and the partition portion are an integrated structure; the first outlet passes through the housing portion and extends along the side of the housing portion; the heat dissipation duct is arranged in an L-shape.

[0016] Optionally, the housing portion is provided with a first support arm and a second support arm, the first support arm and the second support arm being respectively disposed at the upper end and the lower end of the housing portion;

[0017] The first arm is provided with a second input port; the second arm is provided with a second discharge port;

[0018] The working air duct is formed between the housing portion and the partition portion. The working air duct connects the second inlet and the second outlet and is arranged around the outer periphery of the partition portion.

[0019] Optionally, the working air duct is located in the first sub-air duct, the second sub-air duct, and the third sub-air duct;

[0020] The first sub-air duct is located on the first support arm; the second sub-air duct is located on the second support arm;

[0021] The third sub-air duct is opened in the second inner cavity of the housing portion and is located on the outer periphery of the partition portion; the third sub-air duct connects the first sub-air duct and the second sub-air duct in the vertical direction.

[0022] Optionally, the inner wall of the housing portion facing the partition portion is provided with a plurality of guide vanes, the plurality of guide vanes being arranged in a ring, and the cross section of the guide vanes being an airfoil cross section.

[0023] Optionally, the cover is a rubber type shell, the cover includes a first cover part and a second cover part, the first cover part and the second cover part are connected and form a receiving cavity; the inner sidewall of the receiving cavity is attached to the peripheral sidewall of the suction motor, and the first cover part and the second cover part provide shock absorption for the suction motor in multiple directions.

[0024] To achieve the above objectives, this utility model provides the following technical solution: a floor cleaning robot, including the aforementioned suction motor assembly.

[0025] Compared with the prior art, the beneficial effects of this utility model are:

[0026] This utility model provides a suction motor assembly and a floor cleaning robot. The housing has a receiving cavity; the suction motor is housed in the receiving cavity and connected to the housing; the suction motor has a working air duct, a heat dissipation air duct, and a partition, the working air duct and the heat dissipation air duct are arranged at intervals and isolated by the partition; the output end of the working air duct and the input end of the heat dissipation air duct are on the same side of the suction motor; the output end of the working air duct is used to output cold air; the input end of the heat dissipation air duct is used to input cold air; the output end of the working air duct and the input end of the heat dissipation air duct are on the same side of the suction motor; the input end of the heat dissipation air duct and the output end of the working air duct are staggered to allow the working air duct and the heat dissipation air duct to be arranged separately, avoiding the working air duct from drawing in hot air output by the heat dissipation air duct, improving the heat dissipation efficiency of the suction motor assembly, and increasing the life of the suction motor assembly. Attached Figure Description

[0027] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0028] To gain a more complete understanding of this application and its beneficial effects, the following description will be provided in conjunction with the accompanying drawings. In the following description, the same reference numerals denote the same parts.

[0029] Figure 1 A schematic diagram of a suction motor assembly according to an embodiment of this application is shown.

[0030] Figure 2 An exploded view of a suction motor assembly according to an embodiment of this application is shown.

[0031] Figure 3 A schematic diagram of a suction motor assembly according to an embodiment of this application is shown.

[0032] Figure 4 A cross-sectional view of the suction motor of a suction motor assembly according to an embodiment of this application is shown.

[0033] Figure 5 An exploded view of the suction motor of a suction motor assembly according to an embodiment of this application is shown.

[0034] Figure Labels

[0035] 100. Suction motor assembly;

[0036] 10. Cover; 10a. Receiving cavity; 11. First cover portion; 12. Second cover portion;

[0037] 20. Suction motor; 21. Working air duct; 211. First sub-air duct; 212. Second sub-air duct; 213. Third sub-air duct; 22. Heat dissipation air duct; 23. Partition; 23a. Mounting slot; 23b. First outlet; 23c. First inner cavity; 24. Housing; 241. First support arm; 241a. Second inlet; 242. Second support arm; 242a. Second outlet; 243. Guide vane; 25. Motor body; 25a. First inlet; 251. Mounting part; 26. Fan blade. Detailed Implementation

[0038] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0039] Please refer to the attached document. Figures 1-5 This application provides a suction motor assembly 100, which is applied to a floor cleaning robot and is used to suck sewage into a sewage tank.

[0040] Please refer to the attached document. Figures 1-5 In this embodiment, the suction motor assembly 100 includes a housing 10 and a suction motor 20; the housing 10 has a receiving cavity 10a; the suction motor 20 is housed in the receiving cavity 10a and connected to the housing 10; the suction motor 20 has a working air duct 21, a heat dissipation air duct 22, and a partition 23, the working air duct 21 and the heat dissipation air duct 22 are arranged at intervals and are isolated by the partition 23; the output end of the working air duct 21 and the input end of the heat dissipation air duct 22 are on the same side of the suction motor 20; the working air... The output end of the working air duct 21 is used to output cold air; the input end of the heat dissipation air duct 22 is used to input cold air; the output end of the working air duct 21 and the input end of the heat dissipation air duct 22 are on the same side of the suction motor 20; the input end of the heat dissipation air duct 22 and the output end of the working air duct 21 are staggered so that the working air duct 21 and the heat dissipation air duct 22 can be arranged separately, avoiding the working air duct 21 from drawing in the hot air output by the heat dissipation air duct 22, improving the heat dissipation efficiency of the suction motor assembly 100, and increasing the life of the suction motor assembly 100.

[0041] Please refer to the attached document. Figures 1-5 In this embodiment of the application, the cover 10 is provided with a receiving cavity 10a; the receiving cavity 10a serves as the internal space of the cover 10.

[0042] The suction motor 20 is housed in the receiving cavity 10a and connected to the cover 10, so that the suction motor 20 can be fixed inside the cover 10, thereby facilitating the protection of the suction motor 20 by the cover 10. The suction motor 20 is provided with a working air duct 21, a heat dissipation air duct 22, and a partition 23. The working air duct 21 and the heat dissipation air duct 22 are arranged at intervals and are isolated by the partition 23. The output end of the working air duct 21 and the input end of the heat dissipation air duct 22 are on the same side of the suction motor 20. The working air duct 21... The output end of the suction motor 20 is used to output cold air; the input end of the cooling duct 22 is used to input cold air; the output end of the working duct 21 and the input end of the cooling duct 22 are on the same side of the suction motor 20; the input end of the cooling duct 22 and the output end of the working duct 21 are staggered so that the working duct 21 and the cooling duct 22 can be arranged separately, avoiding the working duct 21 from drawing in the hot air output by the cooling duct 22, improving the heat dissipation efficiency of the suction motor assembly 100, and increasing the life of the suction motor assembly 100.

[0043] Please refer to the attached document. Figures 1-5In this embodiment, the suction motor 20 includes a housing portion 24, a motor body 25, and a fan blade 26; a partition portion 23 is built into the housing portion 24 and surrounds the housing portion 24 to form a working air duct 21 and a heat dissipation air duct 22; the heat dissipation air duct 22 is opened in the partition portion 23 and passes through the partition portion 23; the motor body 25 is installed in the partition portion 23 and is located inside the partition portion 23; the gas flowing through the heat dissipation air duct 22 dissipates heat from the motor body 25, so that the gas in the heat dissipation air duct 22 can flow inside the partition portion 23.

[0044] The motor body 25 is connected to the fan blade 26 and drives the fan blade 26 to rotate. The fan blade 26 is located in the working air duct 21 and drives the flow of gas in the working air duct 21 when rotating, so that the gas in the working air duct 21 can flow outside the partition 23. This facilitates the separation of the gas in the heat dissipation air duct 22 from the gas in the working air duct 21, avoids the working air duct 21 from drawing in the hot air output from the heat dissipation air duct 22, improves the heat dissipation efficiency of the suction motor assembly 100, and increases the life of the suction motor assembly 100.

[0045] Please refer to the attached document. Figures 1-5 In this embodiment, the partition 23 is provided with a mounting groove 23a; the motor body 25 is provided with a mounting part 251, which is sealed and installed in the partition 23 and located in the mounting groove 23a; so that the motor body 25 can be fixed to the inside of the partition 23 through the mounting part 251, ensuring the sealing effect between the motor body 25 and the partition 23, and preventing the gas in the heat dissipation duct 22 from leaking into the working duct 21 through the connection between the motor body 25 and the partition 23.

[0046] A partition 23 is provided at the end of the motor body 25 away from the fan blade 26. The peripheral wall of the end of the motor body 25 away from the fan blade 26 is sealed to the partition 23. This prevents the gas in the working air duct 21 from leaking into the heat dissipation air duct 22 through the connection between the motor body 25 and the partition 23. The partition 23 is provided with a first outlet 23b, which is arranged horizontally and serves as the outlet of the heat dissipation air duct 22, so that the heat carried away by the heat dissipation air duct 22 can be discharged horizontally to the external environment through the first outlet 23b.

[0047] Please refer to the attached document. Figures 1-5In this embodiment, the partition 23 is provided with a first inner cavity 23c, which is connected to a first outlet 23b and accommodates the heating element in the motor body 25. The motor body 25 is provided with a first inlet 25a, which is located at the end of the motor body 25 away from the fan blade 26 and is used to absorb cold air from the external environment. The first inlet 25a is connected to the external environment and the first inner cavity 23c, and is connected to the first outlet 23b through the first inner cavity 23c, so that the cold air from the external environment can sequentially carry away the heat emitted by the heating element in the motor body 25 and discharge it to the external environment through the first inlet 25a, the first inner cavity 23c and the first outlet 23b.

[0048] Please refer to the attached document. Figures 1-5 In this embodiment, the housing portion 24 and the partition portion 23 are an integrated structure, which improves the connection strength between the housing portion 24 and the partition portion 23 and ensures the connection stability between the housing portion 24 and the partition portion 23; the first outlet 23b passes through the housing portion 24 and extends along the side of the housing portion 24; the heat dissipation duct 22 is arranged in an L-shape so that the gas in the heat dissipation duct 22 can be discharged along the L-shaped path, thereby facilitating the gas in the heat dissipation duct 22 to be discharged from the side of the housing portion 24 to the external environment.

[0049] Please refer to the attached document. Figures 1-5 In this embodiment, the housing portion 24 is provided with a first support arm 241 and a second support arm 242, which are respectively disposed at the upper end and the lower end of the housing portion 24. The first support arm 241 is provided with a second inlet 241a; the second support arm 242 is provided with a second outlet 242a. A working air duct 21 is formed between the housing portion 24 and the partition portion 23. The working air duct 21 connects the second inlet 241a and the second outlet 242a and is arranged around the outer periphery of the partition portion 23 so that the fan blade 26 can rotate to draw the gas from the upper end of the housing portion 24 into the working air duct 21, thereby preventing the fan blade 26 from rotating to draw hot air from the side of the housing portion 24 and discharging it.

[0050] Please refer to the attached document. Figures 1-4 In this embodiment, the working air duct 21 is provided in the first sub-air duct 211, the second sub-air duct 212 and the third sub-air duct 213; the first sub-air duct 211 is opened in the first support arm 241; the second sub-air duct 212 is opened in the second support arm 242; the third sub-air duct 213 is opened in the second inner cavity of the housing portion 24 and is located on the outer periphery of the partition portion 23; the third sub-air duct 213 connects the first sub-air duct 211 and the second sub-air duct 212 in the vertical direction so that the cold air from the external environment flows sequentially along the first sub-air duct 211, the third sub-air duct 213 and the second sub-air duct 212.

[0051] Please refer to the attached document. Figures 1-5In this embodiment of the application, the inner wall of the housing 24 facing the partition 23 is provided with a plurality of guide vanes 243. The plurality of guide vanes 243 are arranged in a ring so that the gas drawn by the fan blade 26 from the first arm 241 flows toward the second arm 242 under the guidance of the plurality of guide vanes 243. The cross section of the guide vane 243 is an airfoil cross section.

[0052] Please refer to the attached document. Figures 1-2 In this embodiment, the housing 10 is a rubber-type housing, comprising a first housing portion 11 and a second housing portion 12, which are connected to form a receiving cavity 10a. The inner wall of the receiving cavity 10a is fitted to the peripheral wall of the suction motor 20. The first housing portion 11 and the second housing portion 12 provide shock absorption for the suction motor 20 in multiple directions, ensuring multi-directional shock absorption of the suction motor 20 and further extending its lifespan. The first housing portion 11 and the second housing portion 12 are provided with multiple clearance holes, which are respectively arranged relative to the two ends of the working air duct 21 and the two ends of the heat dissipation air duct 22.

[0053] In the second embodiment of the application, a floor cleaning robot includes a suction motor assembly 100. The suction motor assembly 100 is part of the floor cleaning robot, which plays a role in efficient cleaning, reducing the labor cost of cleaning while improving work efficiency and cleanliness.

[0054] Compared with the prior art, the beneficial effects of this utility model are:

[0055] This utility model provides a suction motor assembly 100 and a floor cleaning robot. The housing 10 has a receiving cavity 10a; the suction motor 20 is housed in the receiving cavity 10a and connected to the housing 10; the suction motor 20 has a working air duct 21, a heat dissipation air duct 22, and a partition 23. The working air duct 21 and the heat dissipation air duct 22 are arranged at intervals and isolated by the partition 23; the output end of the working air duct 21 and the input end of the heat dissipation air duct 22 are on the same side of the suction motor 20; the working air duct 21... The output end is used to output cold air; the input end of the heat dissipation duct 22 is used to input cold air; the output end of the working duct 21 and the input end of the heat dissipation duct 22 are on the same side of the suction motor 20; the input end of the heat dissipation duct 22 and the output end of the working duct 21 are staggered so that the working duct 21 and the heat dissipation duct 22 can be arranged separately, avoiding the working duct 21 from drawing in the hot air output by the heat dissipation duct 22, improving the heat dissipation efficiency of the suction motor assembly 100, and increasing the life of the suction motor assembly 100.

[0056] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0057] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more features.

[0058] This document uses specific examples to illustrate the principles and implementation methods of this application. The descriptions of the above embodiments are only for the purpose of helping to understand the methods and core ideas of this application. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this application. Therefore, the content of this specification should not be construed as a limitation of this application.

Claims

1. A suction motor assembly, characterized in that, The suction motor assembly, used in floor cleaning robots, includes: The casing has a receiving cavity; A suction motor is housed in the receiving cavity and connected to the cover. The suction motor has a working air duct, a heat dissipation air duct, and a partition. The working air duct and the heat dissipation air duct are arranged at intervals and isolated by the partition. The output end of the working air duct and the input end of the heat dissipation air duct are on the same side of the suction motor. The output end of the working air duct is used to output cold air. The input end of the heat dissipation air duct is used to input cold air. The output end of the working air duct and the input end of the heat dissipation air duct are on the same side of the suction motor. The input end of the heat dissipation air duct and the output end of the working air duct are arranged in a staggered manner.

2. The suction motor assembly according to claim 1, characterized in that, The suction motor includes a housing, a motor body, and fan blades; The partition is built into the housing and together with the housing to form the working air duct and the heat dissipation air duct; the heat dissipation air duct is opened in the partition and passes through the partition; the motor body is installed in the partition and is located inside the partition; the gas flowing through the heat dissipation air duct dissipates heat from the motor body; The motor body is connected to the fan blade and drives the fan blade to rotate; the fan blade is located in the working air duct and drives the flow of gas in the working air duct when rotating.

3. The suction motor assembly according to claim 2, characterized in that, The partition is provided with a mounting groove; the motor body is provided with a mounting part, which is sealed and installed in the partition and is located in the mounting groove; The partition is provided at the end of the motor body away from the fan blade, and the peripheral sidewall of the end of the motor body away from the fan blade is sealed to the partition. The partition is provided with a first outlet, which is arranged horizontally and serves as the outlet of the heat dissipation duct.

4. The suction motor assembly according to claim 3, characterized in that, The partition is provided with a first inner cavity, which is connected to the first outlet and accommodates the heating element in the motor body; The motor body is provided with a first input port, which is located at the end of the motor body away from the fan blades and is used to absorb cold air from the external environment. The first input port is connected to the external environment and the first inner cavity, and is connected to the first outlet through the first inner cavity.

5. The suction motor assembly according to claim 4, characterized in that, The housing and the partition are an integrated structure; the first outlet passes through the housing and extends along the side of the housing; the heat dissipation duct is arranged in an L-shape.

6. The suction motor assembly according to claim 2, characterized in that, The housing portion is provided with a first arm and a second arm, which are respectively disposed at the upper end and the lower end of the housing portion; The first arm is provided with a second input port; the second arm is provided with a second discharge port; The working air duct is formed between the housing portion and the partition portion. The working air duct connects the second inlet and the second outlet and is arranged around the outer periphery of the partition portion.

7. The suction motor assembly according to claim 6, characterized in that, The working air duct is located in the first sub-air duct, the second sub-air duct and the third sub-air duct; The first sub-air duct is located on the first support arm; the second sub-air duct is located on the second support arm; The third sub-air duct is opened in the second inner cavity of the housing portion and is located on the outer periphery of the partition portion; the third sub-air duct connects the first sub-air duct and the second sub-air duct in the vertical direction.

8. The suction motor assembly according to claim 2, characterized in that, The inner wall of the housing portion facing the partition portion is provided with a plurality of guide vanes, which are arranged in a ring and the cross section of the guide vanes is an airfoil.

9. The suction motor assembly according to claim 1, characterized in that, The cover is a rubber-type shell, which includes a first cover part and a second cover part. The first cover part and the second cover part are connected and form a receiving cavity. The inner sidewall of the receiving cavity is attached to the peripheral sidewall of the suction motor. The first cover part and the second cover part provide shock absorption for the suction motor in multiple directions.

10. A floor cleaning robot, characterized in that, Includes the suction motor assembly as described in any one of claims 1 to 9.

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