Portable vacuum cleaner and dusting system

Abstract

This invention discloses a portable vacuum cleaner and vacuuming system, including a body, a dust cup connected to the body, a cyclone filter assembly disposed within the dust cup for filtering dust-laden airflow, and a motor located within the body and downstream of the cyclone filter assembly. The cyclone filter assembly includes a filter cartridge, a filter screen sleeved outside the filter cartridge for first-stage filtration of the dust-laden airflow, a grid for secondary filtration and diversion of the first-stage filtered airflow, multiple cyclone separators located downstream of the grid for cyclone separation of the airflow, and a filter element for further filtration of the separated airflow. The central axis of the dust cup is parallel to the horizontal plane, and the filter element is concealed by the body and can be removed and disassembled from the end closest to the dust cup. This invention, through the integrated design of the cyclone filter assembly, facilitates disassembly and cleaning, and the multiple cyclone separators improve cyclone separation efficiency, reducing the likelihood of filter element clogging.

Description

Technical Field

[0001] This invention belongs to the field of vacuum cleaners. Background Technology

[0002] Vacuum cleaners are used for indoor cleaning and typically consist of a main unit and a cyclone filter assembly inside the main unit. The cyclone filter assembly usually includes a filter screen and a cyclone. However, existing cyclone filter assemblies have poor performance, and the sponge or HEPA filter in front of the motor is prone to clogging, resulting in frequent cleaning. Moreover, the cyclone filter assembly is inconvenient to disassemble and clean. Summary of the Invention

[0003] In view of this, the present invention provides a portable vacuum cleaner and vacuuming system, which is easy to disassemble and clean through the overall arrangement of the cyclone filter assembly, and improves the cyclone separation effect through multiple cyclones, making it less likely to clog the filter.

[0004] According to the purpose of this invention, the present invention provides a first technical solution: a portable vacuum cleaner, comprising a body, a dust cup connected to the body, a cyclone filter assembly disposed inside the dust cup and filtering dust-laden airflow, and a motor located inside the body and downstream of the cyclone filter assembly. The cyclone filter assembly includes a filter cylinder, a filter screen sleeved outside the filter cylinder and performing a first-stage filtration of the dust-laden airflow, a grid member for secondary filtration and diversion of the first-stage filtered airflow, a plurality of cyclones located downstream of the grid member and performing cyclone separation of the airflow, and a filter element for further filtration of the cyclone-separated airflow. Meanwhile, the central axis of the dust cup is parallel to the horizontal plane, and the filter element is shielded by the body and removed and detached from the end near the dust cup.

[0005] Based on the first technical solution, the following supplementary technical solutions are further included:

[0006] The dust cup includes a positioning hole at its center and a conductive plug disposed in the positioning hole. The body is provided with a guide hole located upstream of the cyclone filter assembly. The central axis of the positioning hole is parallel to the central axis of the guide hole, and the central axis of the positioning hole passes through the cyclone filter assembly and the motor.

[0007] The body also includes a guide tube, a motor body that houses the motor, and a handle assembly that supports the guide tube and the motor body, wherein the guide tube is located on the bottom side of the dust cup, and the motor body is located on the rear side of the dust cup.

[0008] The handle assembly includes a grip portion, a connecting portion connected to the bottom of the grip portion, and a support portion spaced apart from the grip portion and connected to the connecting portion at its bottom, wherein the support portion is disposed adjacent to the guide tube.

[0009] The extension direction of the grip portion intersects the central axis direction of the positioning hole at an angle of 95-115 degrees.

[0010] It also includes a battery pack that can be detachably connected to the connector.

[0011] The second technical solution of the present invention is: a vacuuming system, comprising a portable vacuum cleaner and a connecting pipe connected to the portable vacuum cleaner and communicating with its airflow. The portable vacuum cleaner includes a body, a dust cup that cooperates with the body, a cyclone filter assembly disposed in the dust cup and filtering the dust-laden airflow, and a motor located in the body and downstream of the cyclone filter assembly. The cyclone filter assembly includes a filter cylinder, a filter screen sleeved outside the filter cylinder and performing a first-stage filtration of the dust-laden airflow, a grid component that performs a second-stage filtration and diverts the first-stage filtered airflow, multiple cyclones located downstream of the grid component and performing cyclone separation of the airflow, and a filter element that performs a second-stage filtration of the cyclone-separated airflow. Meanwhile, the central axis of the dust cup is parallel to the horizontal plane, and the filter element is shielded by the body and removed and disassembled from the end near the dust cup.

[0012] Based on the second technical solution, the following supplementary technical solutions are further included:

[0013] The dust cup includes a positioning hole at its center and a conductive plug disposed in the positioning hole. The body is provided with a guide hole located upstream of the cyclone filter assembly. The central axis of the positioning hole is parallel to the central axis of the guide hole, and the central axis of the positioning hole passes through the cyclone filter assembly and the motor.

[0014] The body also includes a guide tube, a motor body housing the motor, and a handle assembly supporting the guide tube and the motor body, wherein the guide tube is located on the bottom side of the dust cup, and the motor body 140 is located on the rear side of the dust cup.

[0015] The connecting tube includes a hollow tube body that allows dust-laden airflow to pass through, a main unit end located at one end of the tube body and connected to the vacuum cleaner main unit, and an accessory end located at the other end of the tube body and connected to the floor brush. The main unit end includes a positioning part that can be inserted into a positioning hole, a conductive pin located in the positioning part and electrically connected to a conductive plug, a hollow docking part that can extend into a guide hole, and a deflecting part that connects the tube body and the docking part internally and allows the airflow to be deflected.

[0016] The handle assembly includes a grip portion, a connecting portion connected to the bottom of the grip portion, and a support portion spaced apart from the grip portion and connected to the connecting portion at its bottom, wherein the support portion is disposed adjacent to the guide tube.

[0017] The extension direction of the grip portion intersects the central axis direction of the positioning hole at an angle of 95-115 degrees.

[0018] It also includes a battery pack that can be detachably connected to the connector.

[0019] The third technical solution of the present invention is: a portable vacuum cleaner, comprising: a body having a body cavity, a dust cup connected to the body, a cyclone assembly disposed in the dust cup and performing cyclone filtration on the dust-laden airflow, a filter assembly located downstream of the cyclone assembly, and a motor located in the body cavity and at least partially surrounded by the filter assembly. The cyclone assembly includes a filter cylinder, a filter screen sleeved outside the filter cylinder and performing a first-stage filtration on the dust-laden airflow, a grid member performing a second-stage filtration and diverting on the first-stage filtered airflow, and a plurality of cyclones located downstream of the grid member and performing cyclone separation on the airflow. The filter assembly includes a filter cavity housing the motor, a pre-motor filter located at one end of the filter cavity and upstream of the motor, and a post-motor filter located within the filter cavity and downstream of the motor. The central axis of the dust cup is parallel to the horizontal plane, and the filter assembly is concealed by the body and removed entirely from the end near the dust cup for disassembly.

[0020] Compared with the prior art, the advantages of the present invention are: the overall arrangement of the cyclone filter assembly makes it easy to disassemble and clean, and the multiple cyclones improve the cyclone separation effect and are less likely to clog the filter elements. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is an exploded view of the first embodiment of the present invention;

[0023] Figure 2 This is a perspective view of the first embodiment of the present invention;

[0024] Figure 3 This is a cross-sectional view of the first embodiment of the present invention;

[0025] Figure 4 This is a perspective view of the connecting pipe in the second embodiment of the present invention;

[0026] Figure 5 This is a cross-sectional view of the connecting pipe in the second embodiment of the present invention;

[0027] Figure 6 This is a cross-sectional view of the second embodiment of the present invention;

[0028] Figure 7 This is a cross-sectional view of the third embodiment of the present invention. Detailed Implementation

[0029] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0030] In the description of this invention, it should be understood that the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0031] Furthermore, 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, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0032] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0033] Example: Refer to Figure 1-3 As shown, the present invention discloses a specific embodiment of a vacuum cleaner main unit, which includes a body 100, a dust cup 200 cooperating with the body 100, a cyclone filter assembly 300 disposed in the dust cup 200 and filtering the dust-laden airflow, a motor 400 located in the body 100 and downstream of the cyclone filter assembly 300, a battery pack 500 detachably connected to the body 100 and supplying power to the motor 400, and a control board 520 disposed adjacent to the battery pack 500.

[0034] The body 100 includes a guide tube 120, a motor body 140 housing a motor 400, and a handle assembly supporting the guide tube 120 and the motor body 140. The guide tube 120 is located at the bottom of the dust cup 200, while the motor body 140 is located at the rear of the dust cup 200. The guide tube 120 has a guide hole 122 at one end. The handle assembly includes a grip portion 160, a connecting portion 162 connected to the bottom of the grip portion 160, and a support portion 164 spaced apart from the grip portion 160 and connected to the connecting portion at its bottom. The support portion 164 is disposed adjacent to the guide tube 120. The extending direction of the grip portion 160 intersects the central axis direction of the positioning hole 210 at an angle of 95-115 degrees.

[0035] The dust cup 200 includes a dust cup cavity 202 located therein, a positioning hole 210 located at the center of the dust cup 200 and surrounded by the dust cup cavity 202, and a conductive plug 211 disposed in the positioning hole 210. The body 100 is provided with a guide hole 122 located upstream of the cyclone filter assembly 300. The central axis direction of the positioning hole 210 is parallel to the central axis direction of the guide hole 122, and the central axis direction of the positioning hole 210 passes through the cyclone filter assembly 300 and the motor 400. A pair of conductive plates 212 are disposed inside the conductive plug 211.

[0036] The cyclone filter assembly 300 includes a filter cartridge 310 surrounding the positioning hole 210 and located in the dust cup cavity 202; a filter screen 330 sleeved on the outside of the filter cartridge 310 for first-stage filtration of the dust-laden airflow; a grid member 350 for secondary filtration and diversion of the first-stage filtered airflow; multiple cyclones 370 located downstream of the grid member 350 for cyclone separation of the airflow; and a filter member 390 for further filtration of the cyclone-separated airflow. The filter cartridge 310 contains a dust collection chamber 302 located outside the positioning hole 210 for collecting dust separated by the cyclones 370; and a wire channel 304 for housing wires. One end of the wire is electrically connected to the conductive sheet 212, while the other end passes through the wire channel 304, through the inner cavity of the handle portion 160, and is electrically connected to the control board 520.

[0037] The motor 400 is preferably a brushless or brushed DC motor, and the battery pack 500 is preferably a nickel-metal hydride or lithium battery.

[0038] Reference Figure 4-6As shown, the present invention discloses a second embodiment of a vacuum cleaner system, which includes a vacuum cleaner main unit and a connecting pipe 600 connected to the vacuum cleaner main unit and communicating with its airflow. The structure of the vacuum cleaner main unit is the same as that of the first embodiment, including a body 100, a dust cup 200 that cooperates with the body 100, a cyclone filter assembly 300 disposed in the dust cup 200 and filtering the dust-laden airflow, and a motor 400 located in the body 100 and downstream of the cyclone filter assembly 300.

[0039] The body 100 includes a guide tube 120, a motor body 140 housing a motor 400, and a handle assembly supporting the guide tube 120 and the motor body 140. The guide tube 120 is located at the bottom of the dust cup 200, while the motor body 140 is located at the rear of the dust cup 200. The guide tube 120 has a guide hole 122 at one end. The handle assembly includes a grip portion 160, a connecting portion 162 connected to the bottom of the grip portion 160, and a support portion 164 spaced apart from the grip portion 160 and connected to the connecting portion at its bottom. The support portion 164 is disposed adjacent to the guide tube 120. The extending direction of the grip portion 160 intersects the central axis direction of the positioning hole 210 at an angle of 95-115 degrees.

[0040] The dust cup 200 includes a dust cup cavity 202 located therein, a positioning hole 210 located at the center of the dust cup 200 and surrounded by the dust cup cavity 202, and a conductive plug 211 disposed in the positioning hole 210. The body 100 is provided with a guide hole 122 located upstream of the cyclone filter assembly 300. The central axis direction of the positioning hole 210 is parallel to the central axis direction of the guide hole 122, and the central axis direction of the positioning hole 210 passes through the cyclone filter assembly 300 and the motor 400. A pair of conductive plates 212 are disposed inside the conductive plug 211.

[0041] The cyclone filter assembly 300 includes a filter cartridge 310 surrounding the positioning hole 210 and located in the dust cup cavity 202; a filter screen 330 sleeved on the outside of the filter cartridge 310 for first-stage filtration of the dust-laden airflow; a grid member 350 for secondary filtration and diversion of the first-stage filtered airflow; multiple cyclones 370 located downstream of the grid member 350 for cyclone separation of the airflow; and a filter member 390 for further filtration of the cyclone-separated airflow. The filter cartridge 310 contains a dust collection chamber 302 located outside the positioning hole 210 for collecting dust separated by the cyclones 370; and a wire channel 304 for housing wires. One end of the wire is electrically connected to the conductive sheet 212, while the other end passes through the wire channel 304, through the inner cavity of the handle portion 160, and is electrically connected to the control board 520.

[0042] The motor 400 is preferably a brushless or brushed DC motor, and the battery pack 500 is preferably a nickel-metal hydride or lithium battery.

[0043] like Figure 5 As shown, the connecting pipe 600 includes a hollow pipe body 610 that allows dust-laden airflow to pass through, a main unit end 620 located at one end of the pipe body 610 and connected to the vacuum cleaner main unit, and an accessory end 640 located at the other end of the pipe body 610 and connected to the floor brush. The main unit end 620 includes a positioning part 622 that can be inserted into the positioning hole 210, a conductive pin 623 located in the positioning part 622, a button 625 adjacent to the positioning part 622, a hollow docking part 626 that can extend into the guide hole 122, and a deflecting part 628 that connects the interior of the pipe body 610 and the docking part 626 and allows airflow to be redirected. The extending directions of the pipe body 610 and the docking part 626 are parallel to each other. The central axis of the pipe body 610 forms an angle of 120-160 degrees with the central axis of the deflecting part 628 to ensure smooth airflow and reduce noise.

[0044] like Figure 7 As shown, the present invention discloses a second embodiment of a vacuum cleaner main unit, which includes a body 1000 having a body cavity 1002, a dust cup 2000 cooperating with the body 1000, a cyclone separator assembly 3000 disposed within the dust cup 2000 and performing cyclone filtration on dust-laden airflow, a filter assembly 3200 located downstream of the cyclone separator assembly 3000, a motor 4000 located within the body cavity 1002 and at least partially surrounded by the filter assembly 3200, a battery pack 5000 detachably connected to the body 1000 and supplying power to the motor 4000, and a control board 5200 disposed adjacent to the battery pack 5000. The central axes of the dust cup 2000, the cyclone separator assembly 3000, the filter assembly 3200, and the motor 4000 are on the same straight line, which is parallel to the plane where the battery pack 5000 is located.

[0045] The cyclone assembly 3000 includes a filter cartridge, a filter screen sleeved outside the filter cartridge for first-stage filtration of the dust-laden airflow, a grid for secondary filtration and diversion of the first-stage filtered airflow, and multiple cyclones located downstream of the grid for cyclone separation of the airflow. Its structure is generally similar to that of the cyclone filter assembly 300 in the first embodiment, but it does not include the filter 390. The filter assembly 3200 includes a filter chamber 3202 housing the motor 4000, a pre-motor filter 3210 located at one end of the filter chamber 3202 and upstream of the motor 4000, and a post-motor filter 3220 located inside the filter chamber 3202 and downstream of the motor 4000. Meanwhile, the central axis of the dust cup 2000 is parallel to the horizontal plane, and the filter assembly 3200 is shielded by the body 1000 and removed and disassembled as a whole from the end near the dust cup 2000.

[0046] The present invention facilitates disassembly and cleaning through the overall design of the cyclone filter assembly, and improves the cyclone separation effect through multiple cyclones, making it less prone to clogging the filter elements.

[0047] Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A portable vacuum cleaner, characterized in that... It includes: The system comprises a body (100), a dust cup (200) connected to the body (100), a cyclone filter assembly (300) disposed within the dust cup (200) and filtering the dust-laden airflow, and a motor (400) located within the body (100) and downstream of the cyclone filter assembly (300). The cyclone filter assembly (300) includes a filter cartridge (310), a filter screen (330) sleeved outside the filter cartridge (310) and performing a first-stage filtration of the dust-laden airflow, a grid member (350) performing a second-stage filtration and diverting of the first-stage filtered airflow, multiple cyclone separators (370) located downstream of the grid member (350) and performing cyclone separation of the airflow, and a system for further filtration of the cyclone-separated airflow. The filter element (390) is provided, and the central axis of the dust cup (200) is parallel to the horizontal plane. The filter element (390) is shielded by the body (100) and removed from the end near the dust cup (200). The dust cup (200) includes a positioning hole (210) located at its center and a conductive plug (211) disposed in the positioning hole (210). The body (100) is provided with a guide hole (122) located upstream of the cyclone filter assembly (300). The central axis direction of the positioning hole (210) is parallel to the central axis direction of the guide hole (122). The central axis direction of the positioning hole (210) passes through the cyclone filter assembly (300) and the motor (400).

2. The portable vacuum cleaner according to claim 1, characterized in that: The body (100) also includes a guide tube (120), a motor body (140) housing the motor (400), and a handle assembly supporting the guide tube (120) and the motor body (140), wherein the guide tube (120) is located on the bottom side of the dust cup (200), and the motor body (140) is located on the rear side of the dust cup (200).

3. The portable vacuum cleaner according to claim 2, characterized in that: The handle assembly includes a grip portion (160), a connecting portion (162) connected to the bottom of the grip portion (160), and a support portion (164) spaced apart from the grip portion (160) and connected to the connecting portion at its bottom, wherein the support portion (164) is disposed adjacent to the guide tube (120).

4. The portable vacuum cleaner according to claim 3, characterized in that: The filter cartridge (310) is provided with a dust collection chamber (302) that collects dust separated by the cyclone separator (370) and is located outside the positioning hole (210), and a wire channel (304) that houses the wire. One end of the wire is electrically connected to the conductive plug (211), and the other end is electrically connected to the control board (520) through the inner cavity of the handle (160) via the wire channel (304).

5. The portable vacuum cleaner according to claim 4, characterized in that... It also includes a battery pack (500) disposed adjacent to the connection part (162) and the control panel (520) and detachably connected.

6. A vacuuming system, characterized in that... It includes a portable vacuum cleaner and a connecting pipe (600) connected to the portable vacuum cleaner and communicating with its airflow. The portable vacuum cleaner includes a body (100), a dust cup (200) connected to the body (100), a cyclone filter assembly (300) disposed in the dust cup (200) and filtering the dust-laden airflow, and a motor (400) located in the body (100) and downstream of the cyclone filter assembly (300). The cyclone filter assembly (300) includes a filter cartridge (310), a filter screen (330) sleeved on the outside of the filter cartridge (310) and performing a first-stage filtration of the dust-laden airflow, a grille (350) that performs a second-stage filtration of the first-stage filtered airflow and diverts the airflow, and multiple cyclones located downstream of the grille (350) and performing cyclone separation of the airflow. (370), and a filter element (390) for further filtering the airflow after cyclone separation, wherein the central axis of the dust cup (200) is parallel to the horizontal plane, and the filter element (390) is shielded by the body (100) and removed from the end near the dust cup (200); wherein the dust cup (200) includes a positioning hole (210) located at its center and a conductive plug (211) disposed in the positioning hole (210), and the body (100) is provided with a guide hole (122) located upstream of the cyclone filter assembly (300), wherein the central axis direction of the positioning hole (210) is parallel to the central axis direction of the guide hole (122), and the central axis direction of the positioning hole (210) passes through the cyclone filter assembly (300) and the motor (400).

7. The vacuuming system according to claim 6, characterized in that: The body (100) also includes a guide tube (120), a motor body (140) housing the motor (400), and a handle assembly supporting the guide tube (120) and the motor body (140), wherein the guide tube (120) is located on the bottom side of the dust cup (200), and the motor body (140) is located on the rear side of the dust cup (200); the connecting tube (600) includes a hollow tube body (610) that allows dust-laden airflow to pass through, and a main unit located at one end of the tube body (610) and connected to the vacuum cleaner main unit. The main unit (620) includes a positioning part (622) that can be inserted into a positioning hole (210), a conductive pin (623) that is located in the positioning part (622) and electrically connected to a conductive plug (211), a hollow docking part (626) that can be inserted into a guide hole (122), and a deflecting part (628) that connects the interior of the tube body (610) and the docking part (626) and allows airflow to be deflected.

8. A portable vacuum cleaner, characterized in that... It includes: The system comprises a body (1000) having a body cavity (1002), a dust cup (2000) connected to the body (1000), a cyclone separator assembly (3000) disposed within the dust cup (2000) and performing cyclone filtration on the dust-laden airflow, a filter assembly (3200) located downstream of the cyclone separator assembly (3000), and a motor (4000) located within the body cavity (1002) and at least partially surrounded by the filter assembly (3200). The cyclone separator assembly (3000) includes a filter cartridge, a filter screen sleeved outside the filter cartridge for first-stage filtration of the dust-laden airflow, and a secondary filter and diversion unit for the first-stage filtered airflow. The filter assembly (3200) includes a grid component, multiple cyclones located downstream of the grid component and separating the airflow, and a filter chamber (3202) housing a motor (4000), a pre-motor filter (3210) located at one end of the filter chamber (3202) and upstream of the motor (4000), and a post-motor filter (3220) located inside the filter chamber (3202) and downstream of the motor (4000). Meanwhile, the central axis of the dust cup (2000) is parallel to the horizontal plane, and the filter assembly (3200) is shielded by the body (1000) and removed and disassembled as a whole from the end near the dust cup (2000).

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