A filtering component and a dust suction device

Abstract

The present invention relates to a filter component and a vacuum cleaning device, belonging to the technical field of household appliances, and is used to solve the problem that the overall length of the existing vacuum cleaning device is relatively long. The filter component of the present invention includes: a motor assembly cavity for assembling a motor; a filter part, which is disposed around the outside of the motor assembly cavity for filtering the fluid entering the filter component. The motor assembly cavity for assembling the motor is provided inside the filter component of the present invention, which can effectively reduce the length of the vacuum cleaning device to improve the user experience of the vacuum cleaning device; in addition, the filter part disposed around the outside of the motor assembly cavity can effectively reduce the noise and vibration generated by the high-speed rotation of the motor, achieving a good noise reduction and vibration reduction effect.

Description

Technical Field

[0001] The present invention relates to the technical field of household appliances, and in particular to a filter component and a dust collection device. Background Art

[0002] At present, in the existing vacuum cleaners, the motor assembly is located behind the filter assembly, which results in a longer overall length of the vacuum cleaner, is not conducive to user operation, and reduces the user experience of the vacuum cleaner. Summary of the invention

[0003] In view of the above analysis, the embodiments of the present invention are intended to provide a filter assembly and a dust collecting device to solve the problem that the existing dust collecting devices are of a relatively long overall length.

[0004] In one aspect, the present invention provides a filter assembly comprising:

[0005] A motor assembly cavity for assembling the motor;

[0006] The filter part is arranged outside the motor assembly cavity to filter the fluid entering the filter assembly.

[0007] Furthermore, the filter portion includes a plurality of cyclone cones, and the cyclone cones are arranged around the outer side of the side wall of the motor assembly cavity to prepare for cyclone filtering of the fluid entering the filter assembly.

[0008] Furthermore, the cyclone cone is provided with an air inlet, an air outlet and a dust guide port;

[0009] The air inlet is used for fluid to enter the cyclone cone;

[0010] The air outlet is for the filtered fluid to flow out from the cyclone cone;

[0011] The dust guide port is located at the lowest point of the cyclone cone, so that the filtered impurities can be guided out of the cyclone cone.

[0012] Furthermore, the cyclone cone comprises a cyclone portion and a cone portion, the cyclone portion is provided with a cyclone cavity, the cone portion is provided with a conical cavity, and the cyclone cavity is communicated with the conical cavity;

[0013] The conical cavity is inverted and located below the cyclone cavity;

[0014] The side wall of the cyclone chamber is an arc-shaped side wall capable of causing the fluid to form a cyclone;

[0015] The air inlet and the air outlet are arranged on the cyclone portion and are both connected to the cyclone chamber;

[0016] The dust guide port is arranged at the bottom end of the cone portion and is communicated with the cone cavity.

[0017] Further, the air inlet is formed on the side wall of the cyclone part;

[0018] The air outlet is formed at the top of the cyclone part.

[0019] Further, a guiding part is provided at the air inlet. The guiding part is provided with an air inlet channel communicating with the air inlet, and the air inlet channel is tangent to the side wall of the cyclone chamber.

[0020] Further, the cyclone part is tangent to the outer side surface of the side wall of the motor assembly chamber.

[0021] Further, the cyclone cones are arranged at intervals and do not contact each other.

[0022] Further, a connecting plate is provided between two adjacent cyclone cones. The connecting plate extends from the top end of the side wall of the cyclone cone to the bottom end of the side wall of the cyclone cone, and the air inlets of all the cyclone cones are located outside the connecting plate;

[0023] The connecting plate, two adjacent cyclone cones and the outer side wall surface of the motor assembly chamber enclose to form a partition chamber.

[0024] Further, the top end face of the connecting plate is flush with the top end face of the cyclone cone, the bottom end face of the connecting plate is flush with the bottom end face of the cyclone cone, the two side end faces of the connecting plate are respectively connected to the side walls of adjacent different cyclone cones, and the outer wall surface of the connecting plate is flush with the inner end face of the air inlet.

[0025] Further, the partition chamber is filled with sound-absorbing cotton.

[0026] Further, the filter assembly further includes a cover body, and the cover body covers the top of the side wall of the filter assembly.

[0027] Further, the cover body is provided with a wind guiding area, an air inlet area and an air outlet area;

[0028] The air outlet area is arranged outside the air inlet area, and the air inlet area and the air outlet area correspond to the motor assembly chamber;

[0029] The wind guiding area is arranged outside the air outlet area, and the wind guiding area corresponds to the filtering part.

[0030] Further, the wind guiding area is provided with a wind guiding port for guiding the fluid filtered by the filtering part out of the filter assembly;

[0031] The air inlet area is provided with an air inlet communicating with the motor assembly chamber;

[0032] The air outlet area is provided with an air outlet communicating with the motor assembly chamber.

[0033] Further, the number of the air guiding openings is equal to the number of the cyclone cones of the filtering part, and the air guiding openings correspond to the cyclone cones one by one, and the air guiding openings are communicated with the air outlets of the cyclone cones.

[0034] Further, the cover body is provided with an air guiding pipe, one end of the air guiding pipe is butt-connected and communicated with the air guiding opening, the other end of the air guiding pipe extends from the air guiding opening into the cyclone cone, and the port located in the cyclone cone is located below the air inlet.

[0035] On the other hand, the present invention provides a dust suction device, including the above-mentioned filtering assembly.

[0036] Further, it further includes an annular wall and a motor;

[0037] The annular wall is located in the motor assembly cavity, one end of the annular wall abuts against the bottom of the motor assembly cavity, the other end of the annular wall abuts against the cover body of the filtering assembly, and there is a gap between the annular wall and the side wall of the motor assembly cavity;

[0038] The motor is installed inside the annular wall.

[0039] Further, the annular wall divides the motor assembly cavity into two accommodating cavities, namely a first accommodating cavity and a second accommodating cavity, and the second accommodating cavity surrounds the outside of the first accommodating cavity;

[0040] The motor is installed in the first accommodating cavity;

[0041] The first accommodating cavity corresponds to the air inlet area of the cover body, and the air inlet of the air inlet area is communicated with the first accommodating cavity to allow fluid to enter the motor;

[0042] The second accommodating cavity corresponds to the air outlet area of the cover body, and the air outlet is communicated with the second accommodating cavity to allow fluid to be discharged out of the motor assembly cavity.

[0043] Further, the motor includes an air inlet end and an air outlet end, and the air inlet end is communicated with the air inlet;

[0044] A communication opening capable of communicating the first accommodating cavity and the second accommodating cavity is formed on the annular wall, at least a part of the communication opening faces the air outlet end, and the communication opening is far away from the air outlet.

[0045] Compared with the prior art, the present invention can at least achieve one of the following beneficial effects:

[0046] (1) The filtering assembly is internally provided with a motor assembly cavity for assembling the motor, which can effectively reduce the length of the device (such as a dust suction device) equipped with the filtering assembly, so as to improve the use experience of these devices; in addition, the filtering part surrounding the outside of the motor assembly cavity can effectively reduce the noise and vibration generated by the high-speed rotation of the motor, and has a good noise reduction and vibration reduction effect;

[0047] (2) The filtering part includes a plurality of cyclone cones, and a connecting plate is provided between two adjacent cyclone cones, so that the motor assembly cavity is surrounded by the cyclone cones and the partition cavity (surrounded by the cyclone cones, the connecting plate and the motor assembly cavity), which can effectively reduce the noise and vibration generated when the motor rotates at high speed;

[0048] (3) The partition cavity is filled with sound-absorbing cotton, which can further reduce the noise generated by the motor.

[0049] In the present invention, the above technical solutions can also be combined with each other to achieve more preferred combination schemes. Other features and advantages of the present invention will be described in the subsequent description, and some advantages can be made obvious from the description, or understood by implementing the present invention. The objectives and other advantages of the present invention can be achieved and obtained through the content specifically pointed out in the description and the drawings. Description of the Drawings

[0050] The drawings are only for the purpose of showing specific embodiments and are not considered as a limitation of the present invention. Throughout the drawings, the same reference signs represent the same components.

[0051] Figure 1 It is a schematic structural diagram (one) of the filtering component in the specific embodiment;

[0052] Figure 2 It is a schematic structural diagram (two) of the filtering component in the specific embodiment;

[0053] Figure 3 It is a schematic structural diagram of the filtering component with the cover removed in the specific embodiment;

[0054] Figure 4 It is a schematic structural diagram (one) of the cover in the specific embodiment;

[0055] Figure 5 It is a schematic structural diagram (two) of the cover in the specific embodiment

[0056] Figure 6 It is a longitudinal sectional view of the filtering component in the specific embodiment;

[0057] Figure 7 It is a transverse sectional view of the filtering component in the specific embodiment;

[0058] Figure 8 It is a longitudinal sectional view of the dust suction device in the specific embodiment;

[0059] Figure 9 It is a transverse sectional view of the dust suction device in the specific embodiment;

[0060] Figure 10 It is a transverse sectional view of the dust suction device with the motor removed in the specific embodiment;

[0061] Figure 11 It is a horizontal cross-sectional view of the dust collection device after removing the annular wall and the motor in the specific implementation manner.

[0062] Reference numerals:

[0063] 1 - Motor assembly cavity; 11 - First cavity; 12 - Second cavity; 13 - Assembly groove; 2 - Cyclone cone; 201 - Air inlet; 202 - Air outlet; 203 - Dust guide port; 21 - Cyclone part; 22 - Cone part; 23 - Connecting plate; 24 - Guide part; 241 - Horizontal plate; 242 - Side plate; 3 - Cover body; 31 - Air guide area; 311 - Air guide port; 32 - Air inlet area; 321 - Air inlet; 33 - Air outlet area; 331 - Air outlet; 34 - Air guide pipe; 4 - Annular wall; 41 - Communication port; 42 - Support strip; 5 - Motor; 51 - Air inlet end; 52 - Air outlet end. Specific implementation manner

[0064] Next, the preferred embodiments of the present invention will be specifically described in conjunction with the accompanying drawings. Among them, the accompanying drawings form a part of the present invention and are used together with the embodiments of the present invention to explain the principle of the present invention, rather than to limit the scope of the present invention.

[0065] In the description of the embodiments of the present invention, it should be noted that unless otherwise clearly specified and limited, the term "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood according to specific circumstances.

[0066] The terms "top", "bottom", "above...", "below" and "on..." described throughout the text are relative positions with respect to the components of the device, such as the relative positions of the top and bottom substrates inside the device. It can be understood that the device is multifunctional and is independent of its orientation in space.

[0067] The normal working surface of the present invention can be a plane or a curved surface, which can be inclined or horizontal. For the convenience of description, the embodiments of the present invention are placed on a horizontal plane and used on the horizontal plane, and "high and low" and "up and down" are defined accordingly.

[0068] Embodiment 1

[0069] This embodiment provides a filter assembly, as Figures 1 to 7 shown, including:

[0070] A motor assembly cavity 1 for assembling a motor;

[0071] A filtering part is disposed around the outside of the above-mentioned motor assembly cavity 1 to filter the fluid entering the filtering component.

[0072] Compared with the prior art, the filtering component of the present invention is internally provided with a motor assembly cavity 1 for assembling a motor, which can effectively reduce the length of equipment (such as a dust suction device) equipped with the filtering component, so as to improve the user experience of these devices. In addition, the filtering part disposed around the outside of the motor assembly cavity 1 can effectively reduce the noise and vibration generated by the high-speed rotation of the motor, achieving good noise reduction and vibration reduction effects.

[0073] In some embodiments, the filtering part is a filter mesh cover, and the filter mesh cover is disposed around the outside of the side wall of the motor assembly cavity 1, and there is a gap reserved between the filter mesh cover and the side wall of the motor assembly cavity 1 to allow the fluid filtered by the filtering part to flow in the gap.

[0074] In this embodiment, the filtering part includes a plurality of cyclone cones 2, and these cyclone cones 2 are disposed around the outside of the side wall of the motor assembly cavity 1. The dust-containing fluid entering the cyclone cones 2 can form a cyclone therein, and dust and other impurities in the dust-containing fluid are separated and filtered out under the action of centrifugal force and gravity.

[0075] The cyclone cone 2 is provided with an air inlet 201, an air outlet 202 and a dust guide port 203. The dust-containing fluid enters the cyclone cone 2 (filtering component) through the air inlet 201. After the cyclone filtration of the cyclone cone 2, the filtered fluid is led out of the cyclone cone 2 through the air outlet 202, and the filtered dust and other impurities are led out of the cyclone cone 2 (filtering component) through the dust guide port 203.

[0076] The cyclone cone 2 includes a cyclone part 21 and a cone part 22. A cyclone cavity is provided in the cyclone part 21, and a conical cavity is provided in the cone part 22. The cyclone cavity is communicated with the conical cavity, and the conical cavity is inverted (inverted means that the vertex of the cone is directly below the bottom surface of the cone, and the vertex and the bottom surface refer to the vertex and the bottom surface in the geometric sense of the cone) and is located below the cyclone cavity. The cyclone cavity causes the fluid entering it to form a cyclone, and the conical cavity is used to lead out the filtered dust and other impurities from the cyclone cone 2 more quickly. Specifically, the side wall of the cyclone cavity is an arc-shaped side wall that can cause the fluid to form a cyclone.

[0077] The air inlet 201 and the air outlet 202 are opened on the cyclone part 21, and both are communicated with the cyclone cavity.

[0078] The dust guide port 203 is opened at the bottom end of the cone part 22, and the dust guide port 203 is communicated with the conical cavity, that is, the dust guide port 203 is located at the vertex of the conical cavity.

[0079] It should be noted that the dust guide port 203 is located at the lowest point of the cyclone cone 2 to ensure that all the filtered dust and other impurities can be led out of the cyclone cone 2 through the dust guide port 203.

[0080] The dust-containing fluid enters the cyclone part 21 from the air inlet 201, and a cyclone is formed in the cyclone chamber. The dust and other impurities in the fluid fall into the conical cavity along the cavity wall of the cyclone cavity under the centrifugal action of the cyclone and the gravity of the dust. The dust and other impurities are guided by the conical cavity wall and discharged out of the cyclone cone 2 through the dust guide port 203, and the filtered fluid is discharged out of the cyclone cone 2 from the air outlet 202.

[0081] In order to ensure that the fluid does not interfere with each other when entering and exiting the cyclone cone 2, and to enable the fluid to better form a cyclone in the cyclone cone 2, the air inlet 201 is opened on the side wall of the cyclone part 21, and the air outlet 202 is opened on the top of the cyclone part 21.

[0082] In this embodiment, the cyclone portion 21 is cylindrical in shape, and a cylindrical cyclone cavity is formed around it. The central axis of the cyclone portion 21 (cyclone cavity) is parallel to the central axis of the filter assembly. The cone portion 22 is conical in shape, and a conical conical cavity is formed around it. The top of the cone portion 22 is connected to and connected with the bottom of the cyclone portion 21 (i.e., there is no barrier between the cyclone cavity and the conical cavity). The bottom radius of the conical cavity is equal to the radius of the cyclone cavity, and the central axis of the cone portion 22 (conical cavity) is collinear with the cyclone portion 21. It should be noted that the cavity walls of the cyclone portion 21 and the cone portion 22 have the same thickness, so that the inner and outer cavity walls of the cyclone cone 2 are smooth, thereby improving the filtering effect of the cyclone cone 2.

[0083] The cyclone portion 21 is tangent to the outer side surface of the side wall of the motor assembly chamber 1 to prevent the cyclone portion 21 from occupying the assembly space of the motor and affecting the assembly of the motor.

[0084] Each cyclone cone 2 has the same shape and the air inlet 201 thereon is opened at the same position, so that the cyclone direction and cyclone speed in the cyclone cone 2 are consistent, avoiding vibration of the filter component and inconsistent filtering effect caused by different wind directions and wind speeds in each cyclone cone 2.

[0085] Since the air inlet 201 is provided on the side wall of the cyclone cone 2 , a certain distance is maintained between adjacent cyclone cones 2 , that is, the cyclone cones 2 are arranged alternately, that is, the cyclone cones 2 do not contact each other, so as to ensure smooth air intake through the air inlet 201 .

[0086] A connecting plate 23 is provided between two adjacent cyclone cones 2, and the connecting plate 23 extends from the top of the side wall of the cyclone cone 2 to the bottom of the side wall of the cyclone cone 2, and all the air inlets 201 are located outside the connecting plate 23, so as to avoid the setting of the connecting plate 23 affecting the air intake of the air inlets 201. In this embodiment, the top end surface of the connecting plate 23 is flush with the top end surface of the cyclone cone 2, the bottom end surface of the connecting plate 23 is flush with the bottom end surface of the cyclone cone 2, the two side end surfaces of the connecting plate 23 are respectively connected to the side walls of different adjacent cyclone cones 2, and the outer wall surface of the connecting plate 23 is flush with the inner end surface of the air inlet 201.

[0087] In this way, the connecting plate 23, the outer side wall surfaces of two adjacent cyclone cones 2 and the motor assembly cavity 1 enclose a cavity, which is called an isolation cavity. The outer side of the motor assembly cavity 1 is completely wrapped by the isolation cavity and the cyclone cones 2. The cyclone cone 2 is provided with a cyclone cavity and a conical cavity. Therefore, the motor assembly cavity 1 is wrapped in the center by these cavities such as the isolation cavity, the cyclone cavity and the conical cavity, which can effectively reduce the vibration and noise generated when the motor works in the motor assembly cavity 1, and produce a good vibration reduction and noise reduction effect.

[0088] In order to further improve the noise reduction effect of the isolation cavity, sound-absorbing cotton is filled in the isolation cavity to further reduce the noise generated when the motor works and improve the noise reduction effect of the filter assembly.

[0089] The filter assembly further includes a cover body 3, and the cover body 3 is covered on the top of the side wall of the filter assembly, that is, the cover body 3 is covered on the top of the filtering part and the motor assembly cavity.

[0090] Specifically, the cover body 3 is provided with a wind guiding area 31, an air inlet area 32 and an air outlet area 33. The air outlet area 33 is arranged outside the air inlet area 32, and the wind guiding area 31 is arranged outside the air outlet area 33. The wind guiding area 31 corresponds to the filtering part, and the air inlet area 32 and the air outlet area 33 correspond to the motor assembly cavity 1. The wind guiding area 31 is used to guide out the fluid filtered by the filtering part, and the air inlet area 32 and the air outlet area 33 are used to allow the fluid to enter and exit the motor assembly cavity 1, so that the motor assembly cavity 1 realizes fluid interaction with the outside world.

[0091] The wind guiding area 31 is provided with air guiding openings 311 to guide out the fluid filtered by the filtering part from the filter assembly. In this embodiment, the number of the air guiding openings 311 is the same as the number of the cyclone cones 2, and the air guiding openings 311 correspond to the cyclone cones 2 one by one. The air guiding openings 311 are communicated with the air outlet 202, so that the filtered fluid is guided out of the filter assembly through the air guiding openings 311.

[0092] The air inlet area 32 is provided with an air inlet 321 communicated with the motor assembly cavity 1, and the fluid enters the motor assembly cavity 1 through the air inlet 321.

[0093] The air outlet area 33 is provided with an air outlet 331 communicated with the motor assembly cavity 1, and the fluid in the motor assembly cavity 1 is discharged out of the motor assembly cavity 1 through the air outlet 331. There are a plurality of air outlets 331, and these air outlets 331 are arranged outside the air inlet 321.

[0094] In this embodiment, the air inlet area 32 is located at the central position of the cover body 3, and the air inlet 321 is located at the center position of the cover body 3.

[0095] In order to allow the fluid to be introduced into the motor assembly cavity 1 more quickly, the air inlet area 32 gradually bulges outward from the edge to the center (that is, bulges in the direction away from the motor assembly cavity 1), that is, the air inlet area 32 forms a downward slope from the center to the edge, and specifically, the air inlet area 32 is shaped like a trumpet, and the trumpet opening faces the motor assembly cavity 1. In this way, the air inlet 321 is higher (or more outward) than the air outlet 331, so that the fluid can be introduced into the motor assembly cavity 1 from the air inlet 321 more quickly.

[0096] In this embodiment, the air outlet 331 is fan-shaped, with its arc facing the air inlet area 32. The number of the air outlets 331 is 5, which are evenly distributed in the air outlet area 33, so that the total area of ​​the air outlets 331 is large enough without affecting the discharge of the fluid outward, while ensuring the stability and strength of the air inlet area 32.

[0097] In order to make the cyclone cone 2 have a better filtering effect and speed up the discharge of the filtered fluid, the cover body 3 is provided with an air guide duct 34, one end of the air guide duct 34 is connected to the air guide port 311, and the other end extends from the air guide port 311 into the cyclone cone 2, and the port located in the cyclone cone 2 is located below the air inlet 201 to prevent the fluid from being directly discharged from the cyclone cone 2 without cyclone filtration.

[0098] In this embodiment, the air inlet 201 is opened at the top of the side wall of the cyclone part 21, that is, the air inlet 201 is opened downward from the top of the side wall of the cyclone part 21, so that the dust-containing fluid entering the cyclone chamber through the air inlet 201 can better achieve cyclone dust removal.

[0099] In this embodiment, the length of the air guide 34 is greater than or equal to 1 / 3 of the length of the cyclone portion 21 and less than or equal to 2 / 3 of the length of the cyclone portion 21, ensuring that the dust-containing fluid can be filtered in the cyclone portion 21 and can guide the filtered fluid to be discharged from the cyclone cone 2 as soon as possible.

[0100] In order to better enable the fluid to form a cyclone in the cyclone portion 21, a guide portion 24 is provided at the air inlet 201. Under the guiding effect of the guide portion 24, the fluid enters the cyclone portion 21 in a manner tangent to the side wall of the cyclone chamber. Specifically, the guide portion 24 is provided with an air inlet channel that is connected to the air inlet 201. The air inlet channel is tangent to the side wall of the cyclone chamber. Through the flow guidance, the dust-containing fluid forms a cyclone in the cyclone chamber faster and easier, thereby improving the filtering effect of the cyclone cone 2.

[0101] In this embodiment, the guiding part 24 includes a transverse plate 241 and a side plate 242. The side plate 242 is tangent to the side wall of the cyclone part 21. The connecting plate 23, the transverse plate 241, the side plate 242 and the cover body 3 together enclose an air inlet passage that is tangent to the cyclone cavity. Specifically, the transverse plate 241 is arranged along the bottom end of the air inlet and is flush with the bottom end of the air inlet 201. The side plate 242 is arranged along the outer end of the air inlet 201 and is flush with the outer end of the air inlet 201. The bottom end of the side plate 242 is connected to the transverse plate 241. The top end of the side plate 242 abuts against the cover body 3. The outer side of the transverse plate 241 is connected to the side plate 242, and the inner side of the transverse plate 241 is connected to the connecting plate 23.

[0102] Embodiment Two

[0103] This embodiment provides a dust collection device, as Figures 8 to 11 shown, including the filter assembly provided in Embodiment One.

[0104] Compared with the prior art, the dust collection device provided by the present invention has the beneficial effects of the filter assembly provided in Embodiment One, which will not be elaborated here one by one.

[0105] The above-mentioned dust collection device further includes an annular wall 4 and a motor 5.

[0106] The annular wall 4 is located in the motor assembly cavity 1. One end of the annular wall 4 abuts against the bottom of the motor assembly cavity 1, and the other end of the annular wall 4 abuts against the cover body 3. A gap is reserved between the annular wall 4 and the side wall of the motor assembly cavity 1.

[0107] The annular wall 4 divides the motor assembly cavity 1 into two cavities, namely a first cavity 11 and a second cavity 12. The second cavity 12 surrounds the first cavity 11 on the outside. That is, the inner side wall of the annular wall 4, the bottom of the motor assembly cavity 1 and the cover body 3 limit the first cavity 11, and the side wall of the motor assembly cavity 1, the bottom of the motor assembly cavity 1, the outer side wall of the annular wall 4 and the cover body 3 limit the second cavity 12.

[0108] The motor 5 is installed inside the annular wall 4, that is, the motor 5 is installed in the first cavity 11.

[0109] The first cavity 11 corresponds to the air inlet area 32 of the cover body 3, and the air inlet 321 is communicated with the first cavity to allow fluid to enter the motor 5.

[0110] The second cavity 12 corresponds to the air outlet area 33 of the cover body 3, and the air outlet 331 is communicated with the second cavity to allow fluid to be discharged outside the motor assembly cavity 1.

[0111] The motor 5 includes an air inlet end 51 and an air outlet end 52, and the air inlet end 51 is communicated with the air inlet 321.

[0112] A communication port 41 is formed on the annular wall 4 and can communicate the first cavity 11 and the second cavity 12. At least a part of the communication port 41 faces the air outlet end 52, and the communication port 41 is far from the air outlet 331.

[0113] The motor assembly cavity 1 is divided into two interconnected inner and outer first cavities 11 and second cavities 12 by the annular wall 4. The motor 5 is disposed in the inner first cavity 11. At least a part of the communication port 41 is connected to the air outlet end 52 of the motor 5, and the communication port 41 is far from the air outlet 331. In this way, the fluid filtered by the filter assembly enters the air inlet end 51 of the motor 5 through the air inlet 321, and then is discharged from the air outlet end 52 through the communication port 41, the second cavity 12, and the air outlet 331 outside the motor assembly cavity 1, lengthening the flow path of the fluid between the air outlet end 52 and the air outlet 331, and achieving a good noise reduction effect.

[0114] In addition, the second cavity 12 is located outside the first cavity 11. On the one hand, the heat generated by the operation of the motor 5 can be diffused into the second cavity 12, and when the fluid passes through the second cavity 12, the heat therein is taken out of the motor assembly cavity 1 to achieve a good heat dissipation effect; on the other hand, the buffer of the outer second cavity 12 can also eliminate the vibration generated when the motor 5 operates, achieving a vibration reduction effect and improving the use experience of the dust suction device.

[0115] An assembly groove 13 is provided at the bottom of the motor assembly cavity 1, and the bottom end of the annular wall 4 is disposed in the assembly groove 13. The shape of the assembly groove 13 is adapted to the bottom end of the annular wall 4.

[0116] Further, the central axes of the annular wall 4, the motor assembly cavity 1, and the filter assembly coincide, and this central axis passes through the center of the cover 3.

[0117] The motor 5 is installed in the annular wall 4, the air inlet end 51 abuts against the cover 3, and the air inlet end 51 is in sealed communication with the air inlet 321 so that the fluid entering from the air inlet 321 all enters the motor 5 through the air inlet end 51; the air outlet end 52 is close to the bottom of the motor assembly cavity 1.

[0118] A communication port 41 for communicating the first cavity 11 and the second cavity 12 is formed on the annular wall 4. At least a part of the communication port 41 faces the air outlet end 52 so that the fluid discharged from the air outlet end 52 can quickly enter the second cavity 12. Further, a plurality of communication ports 41 are provided on the annular wall 4, and the plurality of communication ports 41 are uniformly arranged on the lower section of the annular wall 4 (the section far from the cover 3). Specifically, the communication port 41 is rectangular, and the long side of the rectangle is parallel to the central axis of the annular wall 4.

[0119] To ensure the stability of the motor 5 in the first cavity 11, a plurality of support bars 42 are provided on the inner side wall of the annular wall 4. The support bars 42 are in contact with the side wall of the motor 5 to form a supporting force between the side wall of the motor 5 and the annular wall 4, which can not only improve the connection performance between the motor 5 and the annular wall 4, but also prevent the motor 5 from shaking in the first cavity 11, achieving a vibration damping effect.

[0120] In this embodiment, the support bar 42 is located above the communication port 41 and is closer to the air inlet 321 than the communication port 41.

[0121] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed by the present invention should be covered by the protection scope of the present invention.

Claims

1. A filtering component, characterized in that, Including: A motor assembly cavity (1) with a side wall of the motor assembly cavity (1) for assembling a motor; A filtering part which is arranged around the outside of the motor assembly cavity (1) for filtering the fluid entering the filtering assembly; A cover body (3) covering the top of the filtering part and the motor assembly cavity (1); the cover body (3) is provided with a wind guiding area (31), an air inlet area (32) and an air outlet area (33), the air outlet area (33) is arranged around the outside of the air inlet area (32), the wind guiding area (31) is arranged around the outside of the air outlet area (33), and the wind guiding area (31) corresponds to the filtering part, the air inlet area (32) and the air outlet area (33) correspond to the motor assembly cavity (1), the wind guiding area (31) is used for guiding out the fluid filtered by the filtering part, and the air inlet area (32) and the air outlet area (33) are used for the fluid to enter and exit the motor assembly cavity (1) to realize fluid interaction between the motor assembly cavity (1) and the outside; Wherein, the filtering part includes a plurality of cyclone cones (2) which are arranged around the outside of the side wall of the motor assembly cavity (1); the cyclone cone (2) includes a cyclone part (21) and a cone part (22), a cyclone cavity is arranged in the cyclone part (21), a conical cavity is arranged in the cone part (22), the cyclone cavity is communicated with the conical cavity, and the conical cavity is inverted and located below the cyclone cavity; the cyclone cone (2) is provided with an air inlet (201), an air outlet (202) and a dust guiding port (203), the air inlet (201) is opened at the top end of the side wall of the cyclone part (21), the air outlet (202) is opened at the top of the cyclone part (21), and the dust guiding port (203) is opened at the bottom end of the cone part (22); a connecting plate (23) is arranged between two adjacent cyclone cones (2), the connecting plate (23) extends from the top end of the side wall of the cyclone cone (2) to the bottom end of the side wall of the cyclone cone (2), and all the air inlets (201) are located outside the connecting plate (23); a partition cavity is enclosed by the connecting plate (23), two adjacent cyclone cones (2) and the outer side wall surface of the motor assembly cavity (1), so that the outside of the motor assembly cavity (1) is completely wrapped by the partition cavity and the cyclone cones (2), and the motor assembly cavity (1) is covered in the center by these cavities such as the partition cavity, the cyclone cavity and the conical cavity; the partition cavity can be selectively filled with sound-absorbing cotton; The wind guiding area (31) is provided with air guiding ports (311) for guiding out the fluid filtered by the filtering part from the filtering assembly; the number of the air guiding ports (311) is the same as the number of the cyclone cones (2), and the air guiding ports (311) correspond to the cyclone cones (2) one by one, and the air guiding ports (311) are communicated with the air outlets (202) for guiding the filtered fluid out of the filtering assembly through the air guiding ports (311); The air inlet area (32) is provided with an air inlet (321) communicating with the motor assembly cavity (1), and fluid enters the motor assembly cavity (1) from the air inlet (321); the air inlet area (32) is located at the central position of the cover body (3), and the air inlet (321) is located at the center position of the cover body (3); the air inlet area (32) gradually bulges outwards from the edge to the center, and the shape of the air inlet area (32) is trumpet-shaped, with the trumpet opening facing the motor assembly cavity (1). The air outlet area (33) is provided with an air outlet (331) communicating with the motor assembly cavity (1), and the fluid in the motor assembly cavity (1) is discharged from the air outlet (331) outside the motor assembly cavity (1); the shape of the air outlet (331) is fan-shaped, and its arc faces the air inlet area (32).

2. The filtering component according to claim 1, wherein The air inlet (201) is for fluid to enter the cyclone cone (2). The air outlet (202) is for the filtered fluid to flow out of the cyclone cone (2). The dust guide port (203) is located at the lowest point of the cyclone cone (2) for the filtered impurities to be led out of the cyclone cone (2).

3. The filter component according to claim 2, wherein, The side wall of the cyclone cavity is an arc-shaped side wall that can make the fluid form a cyclone. The air inlet (201) and the air outlet (202) are opened on the cyclone part (21) and are both communicated with the cyclone cavity. The dust guide port (203) is communicated with the conical cavity.

4. The filtering component according to claim 3, wherein A guiding part (24) is provided at the air inlet (201). The guiding part (24) is provided with an air inlet channel that penetrates through the air inlet (201), and the air inlet channel is tangent to the side wall of the cyclone cavity.

5. The filtering component according to claim 3, characterized in that, The cyclone part (21) is tangent to the outer side surface of the side wall of the motor assembly cavity (1).

6. The filter assembly according to claim 5, characterized in that, The cyclone cones (2) are arranged at intervals and do not contact each other.

7. The filter assembly according to claim 6, wherein The top end face of the connecting plate (23) is flush with the top end face of the cyclone cone (2), the bottom end face of the connecting plate (23) is flush with the bottom end face of the cyclone cone (2), the two side end faces of the connecting plate (23) are respectively connected to the side walls of adjacent different cyclone cones (2), and the outer wall surface of the connecting plate (23) is flush with the inner end face of the air inlet (201).

8. The filtering component according to claim 1, characterized in that The partition cavity is filled with sound-absorbing cotton.

9. The filter assembly according to any one of claims 1 to 8, characterized in that The cover body (3) is provided with an air duct (34). One end of the air duct (34) is butted and communicated with the air guide port (311), and the other end of the air duct (34) extends from the air guide port (311) into the cyclone cone (2), and the port located in the cyclone cone (2) is below the air inlet (201).

10. A dust suction device, characterized in that, It includes the filtering component according to any one of claims 1 to 9.

11. The dust suction device according to claim 10, characterized in that, It further includes an annular wall (4) and a motor (5). The annular wall (4) is located in the motor assembly cavity (1). One end of the annular wall (4) abuts against the bottom of the motor assembly cavity (1), the other end of the annular wall (4) abuts against the cover body (3) of the filtering component, and there is a gap between the annular wall (4) and the side wall of the motor assembly cavity (1). The motor (5) is installed in the annular wall (4).

12. The dust suction device according to claim 11, characterized in that, The annular wall (4) divides the motor assembly cavity (1) into two cavities, namely a first cavity (11) and a second cavity (12), and the second cavity (12) surrounds the first cavity (11) on the outside. The motor (5) is installed in the first cavity (11); The first cavity (11) corresponds to the air inlet area (32) of the cover body (3), and the air inlet (321) of the air inlet area (32) is communicated with the first cavity (11) to allow fluid to enter the motor (5); The second cavity (12) corresponds to the air outlet area (33) of the cover body (3), and the air outlet (331) is communicated with the second cavity (12) to allow fluid to be discharged outside the motor assembly cavity (1).

13. The dust collection device according to claim 12, characterized in that, The motor (5) includes an air inlet end (51) and an air outlet end (52), and the air inlet end (51) is communicated with the air inlet (321); A communication port (41) that can communicate the first cavity (11) and the second cavity (12) is formed in the annular wall (4). At least a part of the communication port (41) faces the air outlet end (52), and the communication port (41) is away from the air outlet (331).

Images