Handheld vacuum cleaner and cleaning device

Abstract

This application provides a handheld vacuum cleaner and cleaning device, including a separator body, a filter assembly, a handle body, and an airflow channel. The separator body has an air inlet, a dust collection space, and an air outlet, with the air inlet connected to the dust collection space. The filter assembly is disposed on the separator body, and the airflow channel includes a first air duct and a second air duct. The handle body has a motor assembly and a handle, with the motor assembly connected to the dust collection space via the first air duct and to the air outlet via the second air duct. When in use, the handheld vacuum cleaner and cleaning device draws air to the filter assembly first, then exits through the first air duct, and subsequently exits the separator body through the second air duct. During this process, the movement path of the airflow is extended, the flow rate is reduced, and the noise level is lower when the airflow exits the separator body.

Description

Technical Field

[0001] This application relates to the field of cleaning equipment technology, specifically to a handheld vacuum cleaner and cleaning equipment. Background Technology

[0002] Handheld vacuum cleaners and other cleaning devices are becoming increasingly popular. To make them easier for users to use, these devices are typically designed to be small. This results in limited internal space, leaving insufficient room for noise reduction mechanisms. Consequently, these devices often produce loud noise during use, significantly impacting the user experience.

[0003] Meanwhile, cleaning equipment such as handheld vacuum cleaners usually have filter components, but there is still room for improvement in the filtration effect of these components. Summary of the Invention

[0004] This application provides a handheld vacuum cleaner and cleaning equipment to reduce the noise of handheld vacuum cleaners and other cleaning equipment.

[0005] A first aspect of this application provides a handheld vacuum cleaner, including a separator body, a filter assembly, a handle body, and an airflow channel. The separator body has an air inlet, a dust collection space, and an air outlet, with the air inlet connected to the dust collection space. The filter assembly is disposed on the separator body and located above the dust collection space. The handle body is disposed on one side of the separator body and includes a motor assembly and a handle. The airflow channel connects the separator body and the handle body, and includes a first air duct and a second air duct. The motor assembly is connected to the dust collection space through the first air duct and to the air outlet through the second air duct.

[0006] In some embodiments, the first air duct includes a first sub-air duct located at the handle body, and the second air duct includes a second sub-air duct located at the handle body, wherein the airflow directions in the first and second sub-air ducts are opposite.

[0007] In some embodiments, the second air duct is located above the first air duct.

[0008] In some embodiments, the cross-sectional area of ​​the first sub-duct is larger than the cross-sectional area of ​​the second sub-duct.

[0009] In some embodiments, the handle body includes a top housing and a bottom housing, the handle is located between the top housing and the bottom housing, and the motor assembly and at least a portion of the airflow passage are located within the top housing.

[0010] In some embodiments, the filter assembly includes a support frame and a first filter element, the support frame having a body located within the separator body, a portion of the first air duct being defined by the body; the top housing having a receiving cavity and an extension, the motor assembly being located within the receiving cavity, the extension dividing a portion of the airflow passage located within the top housing into a first sub-air duct and a second sub-air duct, the first sub-air duct being part of the first air duct and the second sub-air duct being part of the second air duct.

[0011] In some embodiments, the motor assembly is disposed on the side of the receiving cavity away from the first filter element.

[0012] In some embodiments, the dust collection space has a longitudinal direction, and the first filter element extends along the longitudinal direction; the filtration assembly further includes a second filter element, which is connected to the support frame and located upstream of the air outlet to achieve filtration, and the extension direction of the second filter element is perpendicular to the longitudinal direction.

[0013] In some embodiments, the air outlet is arranged in a ring shape on the top of the separator body, and faces the upper side or circumferentially outward of the separator body.

[0014] In some embodiments, the handheld vacuum cleaner further includes a dust-air separation assembly, which and the filter assembly are detachably distributed on both sides of the bottom of the support frame along the longitudinal direction of the dust collection space.

[0015] Accordingly, a second aspect of this application provides a cleaning device, including a separator body, a filter assembly, and a handle body, wherein the separator body has an air inlet, a dust collection space, and an air outlet, the air inlet being connected to the dust collection space; the filter assembly is disposed on the separator body, and a first air duct and a second air duct are defined on the filter assembly, the first air duct and the second air duct being arranged at an acute angle or a zero angle in their extending directions; the handle body is disposed on one side of the separator body, and the handle body has a motor assembly and a handle, the motor assembly being connected to the dust collection space through the first air duct and to the air outlet through the second air duct.

[0016] In some embodiments, the filter assembly is located above the top of the dust collection space, and the air outlet is located at the top of the main body of the separator.

[0017] In some embodiments, the handle body includes a top housing and a bottom housing, the handle being located between the top housing and the bottom housing, and the motor assembly, at least a portion of the first air duct, and at least a portion of the second air duct being located within the top housing.

[0018] In some embodiments, the filter assembly includes a support frame with a portion of the first air duct formed thereon; the top housing has a receiving cavity and an extension, the motor assembly is located within the receiving cavity, and the extension divides the portion of the airflow passage located within the top housing into two parts belonging to the first air duct and the second air duct, respectively.

[0019] In some embodiments, the motor assembly is disposed on the side of the receiving cavity farther from the filter assembly. In some embodiments, the dust collection space has a longitudinal direction, and the filter assembly further includes a first filter element disposed on the support frame, the first filter element being disposed at an acute angle or a zero angle with the longitudinal direction.

[0020] In some embodiments, the filter assembly further includes a second filter element connected to the support frame and located upstream of the air outlet to achieve filtration, the second filter element being disposed outside the first filter element.

[0021] The embodiments of this application have the following beneficial effects: When the handheld vacuum cleaner and cleaning equipment are in use, the suction airflow first reaches the position of the filter component, then leaves through the first air duct, and then returns to the position of the filter component and leaves the main body through the second air duct. During this process, the movement path of the suction airflow is extended, the flow rate is reduced, and the noise of the suction airflow leaving the main body is reduced. Furthermore, the embodiments of this application define the first and second air ducts at the position of the filter component, which is present in existing cleaning equipment, without artificially adding air duct structures to the handle or other parts. This basically does not require changing the main structure of the existing handheld vacuum cleaner, and the noise reduction effect is achieved by utilizing the space layout of the existing main body, which helps to reduce the cost of structural modification and production. Attached Figure Description

[0022] 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.

[0023] Figure 1 An exemplary schematic diagram of a handheld vacuum cleaner in an embodiment of this application is shown.

[0024] Figure 2 An exploded view of a handheld vacuum cleaner as exemplarily shown in an embodiment of this application is illustrated.

[0025] Figure 3 An exemplary top view of a handheld vacuum cleaner according to an embodiment of this application is shown.

[0026] Figure 4 Example shown Figure 3 AA sectional view.

[0027] Figure 5 Another top view of a handheld vacuum cleaner in an embodiment of this application is shown as an example.

[0028] Figure 6 Example shown Figure 5 BB cross-sectional view.

[0029] Key component markings in the embodiments of this application:

[0030] Separator body 110 Filter cotton 1221

[0031] Air inlet 111 HEPA filter element 1222

[0032] Air outlet 112 Top cover 1223

[0033] Guide vane 1121, ventilation opening 1224

[0034] Dust collection section 113 Second filter element 123

[0035] Dust collection space 1131 Motor assembly 130

[0036] Dust collection cover 1132 Dust-air separation component 140

[0037] Opening 115, Handle body 150

[0038] First air duct 116 Top shell 151

[0039] Connecting air duct 1161, receiving cavity 1511

[0040] First sub-air passage 1162 cavity cover 1512

[0041] Second air duct 117 Handle 152

[0042] Second sub-duct 1171, bottom casing 153

[0043] Outlet air duct 1172, battery module 160

[0044] First filter element 122 Detailed Implementation

[0045] 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 some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application. In addition, it should be understood that the specific embodiments described herein are only for illustration and explanation of this application and are not intended to limit this application. In this application, unless otherwise stated, directional terms such as "up," "down," "left," and "right" generally refer to up, down, left, and right in the actual use or working state of the device, specifically the drawing directions in the accompanying drawings.

[0046] 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 with "first" or "second" may explicitly or implicitly include at least one of that feature.

[0047] This application provides a handheld vacuum cleaner and cleaning equipment, which will be described in detail below. It should be noted that the order of description of the following embodiments is not intended to limit the preferred order of the embodiments of this application. Furthermore, in the following embodiments, the descriptions of each embodiment have their own emphasis; parts not described in detail in a certain embodiment can be referred to in the relevant descriptions of other embodiments.

[0048] An embodiment of this application provides a handheld vacuum cleaner; please refer to [link / reference]. Figure 2 As shown, it mainly includes a separator body 110 and a handle body 150. For example, the handle body 150 is disposed on one side of the separator body 110. The handle body 150 has a motor assembly 130 and a handle 152. The motor assembly 130 is used to generate suction airflow to achieve cleaning. A filter assembly 120 is provided on the separator body 110. The filter assembly 120 is used to filter the suction airflow. The separator body 110 and the handle body 150 are connected by an airflow channel, which includes a first air duct 116 and a second air duct 117.

[0049] According to one embodiment of this application, the bottom surfaces of the separator body 110 and the handle body 150 jointly support the handheld vacuum cleaner. See also... Figure 1As shown, in this embodiment, a handle body 150 is provided on one side of the separator body 110. The handle body 150 includes a top shell 151, a bottom shell 153, and a handle 152, with the handle 152 located between the top shell 151 and the bottom shell 153. The separator body 110 is angled to the top shell 151 and the bottom shell 153. The separator body 110 and the latter two can be integrally formed or connected after manufacturing by welding, bolting, snap-fitting, or other methods. Additionally, the separator body 110 is provided with an air inlet 111 and an air outlet 112 for the flow of suction air. Furthermore, please refer to... Figure 4 As shown, a receiving space is also formed on the side of the separator body 110 near the handle body 150 for accommodating the battery assembly 160.

[0050] In this regard, please combine Figure 2 The separator body 110 is provided with a dust collection section 113, and a dust collection space 1131 is provided within the dust collection section 113. The air inlet 111 and the air outlet 112 are both located on the separator body 110 and are respectively connected to the dust collection space 1131. In this embodiment, the dust collection space 1131 is located near the lower side of the separator body 110, and an openable dust collection cover 1132 is provided at the bottom of the dust collection section 113. A dust-gas separation component 140 is provided within the dust collection space 1131 to separate dust from the suction airflow. Here, the dust-gas separation component 140 is a cyclone multi-cone separation mechanism. It is understood that in other embodiments, the dust collection space 1131 may also be located in other positions on the separator body 110, and the dust-gas separation component 140 may also be a centrifugal separation mechanism that uses centrifugal force to separate dust and gas, etc. This embodiment does not impose any limitations on these aspects.

[0051] Please continue reading. Figure 2 As shown, a receiving cavity 1511 is formed within the top housing 151, which is used to assemble various components such as the motor assembly 130. Here, the top housing 151 and the separator body 110 are arranged at right angles. A handle 152 is connected to the lower side of the top housing 151 for the user to hold. A bottom housing 153 is connected to the lower side of the handle 152, and the bottom housing 153 and the separator body 110 are also arranged at right angles. An openable cavity cover 1512 is provided at the end of the receiving cavity 1511 away from the dust collection part 113 for assembly, disassembly, and cleaning.

[0052] The filter assembly 120 is used to further filter the suction airflow after passing through the dust-gas separation assembly 140, or to directly filter the suction airflow when the dust-gas separation assembly 140 is not provided. In this embodiment, please refer to... Figure 2 and Figure 4 The filter assembly 120 includes a support frame 121 and a first filter element 122. The support frame 121 can be integrally formed with the separator body 110 or disposed within the separator body 110. The first filter element 122 includes filter cotton 1221 and a HEPA filter element 1222, with the filter cotton 1221 disposed inside the HEPA filter element 1222. See here for more details. Figure 4 and Figure 6 The support frame 121 includes a main body 1211, which is positioned at the top of the dust collection space 1131 and its lower end is connected to the dust collection space 1131. At least a portion of a first air duct 116 is formed at the support frame 121. Here, the first air duct 116 connects the dust collection space 1131 and the motor assembly 130. Specifically, the upstream of the first air duct 116 is connected to the dust collection space 1131, and the downstream is connected to the motor assembly 130. The first filter element 122 is located in the first air duct 116. After the suction airflow enters the filter assembly 120, it passes through the filter cotton 1221 and the HEPA filter element 1222 in sequence to achieve a better filtration effect. At the same time, the flow rate of the suction airflow is reduced when it passes through the filter cotton 1221 and the HEPA filter element 1222 in sequence, thereby achieving two-stage noise reduction of the suction airflow. It is understood that in other embodiments, the first filter element 122 is not limited to the above structure. It may be only a filter cotton 1221, or only a HEPA filter element 1222, or other filter elements, etc. This embodiment does not limit it. The filter assembly 120 may also be disposed in the dust collection space 1131, or partially located in the dust collection space 1131.

[0053] Simultaneously, a second air duct 117 is formed between the main body 1211 and the inner wall of the handle body 150. Here, the second air duct 117 connects the motor assembly 130 and the air outlet 112. Specifically, the upstream end of the second air duct 117 connects to the motor assembly 130, and the downstream end connects to the air outlet 112. Here, the air outlet 112 is configured as annular, specifically as a series of spaced openings arranged in a ring. It is understood that in other embodiments, the air outlet 112 may also be a continuous opening; this embodiment is not limited to several spaced openings.

[0054] It is understood that, in one embodiment, at least a portion of the first air duct 116 and the second air duct 117 may be confined at the filter assembly 120; in other embodiments, the implementation is not limited to the above. For example, a first air duct 116 may be provided between the dust collection space 1131 and the motor assembly 130, and a second air duct 117 may be provided between the air outlet 112 and the motor assembly 130.

[0055] In this embodiment, please continue to refer to Figure 4 and Figure 6 The motor assembly 130 is disposed on the top housing 151 of the handle body 150. Furthermore, the motor assembly 130 is located within the receiving cavity 1511 of the top housing 151 on a side farther from the first filter element 122. Please refer to [further details omitted]. Figure 4 and Figure 6 The support frame 121 has an extension 1212 extending into the receiving cavity 1511. Alternatively, the extension 1212 can be separate from the support frame 121, for example, the extension 1212 can be a component independent of the support frame 121 and connected to the receiving cavity 1511, or the extension 1212 can be integrally formed with the top housing 151. Here, a portion of the first air duct 116 is located within the separator body 110, and it is a connecting air duct 1161 defined by the body 1211. Another portion of the first air duct 116 is located within the top housing 151 of the handle body 150, and this portion of the first air duct 116 is a first sub-air duct 1162, which in this embodiment is defined by the extension 1212. The upstream of the motor assembly 130 connects to the first sub-air duct 1162 at the extension 1212. The extension 1212 allows the first air duct 116 to extend towards the motor assembly 130, thus connecting the motor assembly 130, which is relatively far from the first filter element 122, to the first air duct 116. Here, the motor assembly 130 is positioned relatively far from the first filter element 122, requiring the suction airflow to travel a longer distance after passing through the first filter element 122 to reach the motor assembly 130. This increased suction airflow travel helps reduce noise.

[0056] Please also see Figure 2The air outlet 112 is located at the top of the separator body 110, facing the upper side or circumferentially outward of the separator body 110 to avoid the airflow direction being directly towards the user. Here, the second air duct 117 includes a portion located within the receiving cavity 1511 of the top housing 151 and a portion located within the handle body 150, wherein the portion within the receiving cavity 1511 is the second sub-air duct 1171, and the portion within the handle body 150 is the outlet air duct 1172. Exemplarily, the portion of the airflow channel located within the top housing 151 is divided into a first sub-air duct 1162 and a second sub-air duct 1171 by the extension 1212. Please refer again. Figure 4 and Figure 6 In this embodiment, the portion of the airflow channel located within the top housing 151 can be divided into a first sub-air duct 1162 located inside the extension 1212 and a second sub-air duct 1171 located above the extension 1212. Furthermore, the extension 1212 and the motor assembly 130 together separate the second sub-air duct 1171, forming the second air duct 1171 between the motor assembly 130 and the inner wall of the accommodating cavity 1511, and between the extension 1212 of the support frame 121 and the inner wall of the accommodating cavity 1511. The first sub-air duct 1162 and the second sub-air duct 1171 extend in parallel directions, and the second sub-air duct 1171 is located above the first sub-air duct 1162. The suction airflow flows in opposite directions between the two sub-air ducts. Specifically, in... Figure 4In this configuration, the suction airflow in the first sub-duct 1162 flows from left to right, while the suction airflow in the second sub-duct 1171 flows from right to left. This means the suction airflow needs to undergo a 180° change of direction at the motor to reduce its velocity. In other embodiments, the two can be set at an acute angle. The second sub-duct 1171 is angled to the outlet direction of the air outlet 112 (which in this embodiment is the direction in which the outlet duct 1172 is set), specifically at 90°. This ensures that the suction airflow needs to change direction when entering the outlet duct 1172 from the second sub-duct 1171, thereby reducing its velocity. Furthermore, the cross-sectional area of ​​the first sub-duct 1162 is set to be larger than the cross-sectional area of ​​the second sub-duct 1171. For example, the ratio of the cross-sectional area of ​​the first sub-duct 1162 to the cross-sectional area of ​​the second sub-duct 1171 is less than or equal to 2:1. This arrangement of the first sub-duct 1162 and the second sub-duct 1171 achieves a better noise reduction effect. According to another embodiment of this application, the ratio of the cross-sectional area of ​​the first sub-duct 1162 to the cross-sectional area of ​​the second sub-duct 1171 is between 3:2 and 2:1. It is understood that in other embodiments, the second sub-duct 1171 is not limited to the above structure; for example, the second sub-duct 1171 may be formed by the inner wall of the motor assembly 130, etc., and this embodiment does not impose any limitations on it.

[0057] Here, the motor assembly 130 is connected to the dust collection space 1131 through the first air duct 116 and to the air outlet 112 through the second air duct 117. In use, the suction airflow generated by the motor assembly 130 first enters the dust collection space 1131 through the air inlet 111, then passes through the first air duct 116 at the filter assembly 120 to reach the motor assembly 130, and then passes through the second air duct 117 at the filter assembly 120 to reach the air outlet 112. That is, the suction airflow first reaches the position of the filter assembly 120, then leaves, and then returns to the position of the filter assembly 120 and finally leaves the separator body 110. During this process, the movement path of the suction airflow is extended, the flow velocity is reduced, and the noise of the suction airflow leaving the separator body 110 is relatively low.

[0058] Furthermore, in the handheld vacuum cleaner provided in this embodiment, the first air duct 116 and the second air duct 117 are defined at the location of the filter component 120, which is usually present in existing handheld vacuum cleaners, without artificially adding too many air duct structures to the handle 152 or other parts. It basically does not require changing the main structure of the existing handheld vacuum cleaner. The noise reduction effect is achieved by utilizing the spatial layout of the existing separator body 110, which helps to reduce the cost of structural modification and production.

[0059] Meanwhile, the support frame 121 extends into the receiving space 1511 of the top housing 151, and the motor assembly 130 is disposed on the side of the top housing 151 away from the dust collection section 113 and communicates with the first air duct 116 defined by the support frame 121. This results in a longer relative distance between the motor assembly 130 and the separator body 110, thereby increasing the travel distance of the suction airflow and reducing the flow rate of the suction airflow, thus reducing noise. It is understood that in other embodiments, the motor assembly 130 may also be disposed on the side closer to the separator body 110, and the support frame 121 may not extend into the top housing 151. This embodiment does not impose any restrictions on this, but the noise reduction effect will be correspondingly reduced.

[0060] In some embodiments, please refer to Figure 3 As shown, the dust collection space 1131 has a longitudinal direction X; the first filter element 122 extends along the longitudinal direction, i.e., it is set at a zero angle to the longitudinal direction. Here, the first filter element 122 is approximately parallel to the longitudinal direction. Compared to a filter element structure set perpendicular to the longitudinal direction, the filtration surface area of ​​the air inlet and outlet surfaces of the first filter element 122 can be increased accordingly, which helps to enhance the filtration effect, and the service life can also be increased due to its increased filtration area. At the same time, the larger filtration area can also reduce the flow rate of the suction airflow to a certain extent, thereby reducing the noise of the suction airflow. It is understood that in other embodiments, due to spatial layout requirements, the setting direction of the first filter element 122 may not be parallel to the longitudinal direction. For example, the first filter element 122 may also be set at an acute angle to the longitudinal direction.

[0061] In some embodiments, please refer to Figure 4 and Figure 6 The filter assembly 120 further includes a second filter element 123, which is connected to the support frame 121 and located upstream of the air outlet 113 to achieve filtration. Here, the second filter element 123 is located outside the first filter element 122. Further, the second filter element 123 is arranged perpendicular to the longitudinal direction, that is, the air inlet and outlet surfaces of the second filter element 123 are perpendicular to the longitudinal direction. Here, the second filter element 123 can better filter the suction airflow, and at the same time, the second filter element 123 helps to further reduce the flow rate of the suction airflow and achieve a noise reduction effect. It is understood that in other embodiments, the second filter element 123 can also be replaced with a sound-absorbing component such as sound-absorbing cotton to achieve further noise reduction.

[0062] In some embodiments, please refer to Figure 4The dust-gas separation assembly 140 and the first filter element 122 are detachably arranged on both sides of the support frame 121 along the longitudinal direction X of the dust collection space 1131. Here, the first filter element 122 is located on the upper side of the support frame 121. Please refer to [further details omitted]. Figure 2 The separator body 110 has an opening 115 at its top for installing and removing the first filter element 122. The first filter element 122 includes a top cover 1223, which is exemplarily part of the HEPA filter element 1222, or it may be a structure for connecting the HEPA filter element 1222 and / or filter cotton 1221. Simultaneously, a ventilation opening 1224 is provided on the top cover 1223 corresponding to the air outlet 112. When the first filter element 122 is installed on the support frame 121, the top cover 1223 covers the opening 115 at the top of the separator body 110, and the ventilation opening 1224 communicates with the air outlet 112. A guide vane 1121 is also provided at the air outlet 112 to guide the suction airflow to the ventilation opening 1224. See here. Figure 3 and Figure 5 The ventilation opening 1224 is located at the top of the separator body 110. Please refer to [further details]. Figure 2 The support frame 121 has a dust collection space 1131 on its lower side, and the dust-air separation component 140 is detachably installed on the lower side of the support frame 121 and located within the dust collection space 1131. Therefore, during installation and removal, the first filter element 122 can be installed and removed from the upper side of the separator body 110, and the dust-air separation component 140 can be installed and removed from the lower side of the separator body 110. Both can be separated from the separator body 110, facilitating cleaning by the user and improving the user experience. Furthermore, the movement directions of the two components relative to the separator body 110 during installation and removal are different, minimizing mutual interference.

[0063] Accordingly, embodiments of this application also provide a cleaning device, which can be a cleaning robot, a handheld vacuum cleaner, a sweeping and mopping robot, a floor scrubber, etc. The cleaning device includes a separator body 110, a filter assembly 120, and a handle body 150. The separator body 110 has an air inlet 111, a dust collection space 1131, and an air outlet 112, with the air inlet 111 connected to the dust collection space 1131. The filter assembly 120 is disposed on the separator body 110 and defines a first air duct 116 and a second air duct 117, the first air duct 116 and the second air duct 117 forming an acute angle or a zero angle in their extending directions. The handle body 150 is disposed on one side of the separator body 110 and has a motor assembly 130 and a handle 152. The motor assembly 130 is connected to the dust collection space 1131 through the first air duct 116 and to the air outlet 112 through the second air duct 117. The motor assembly 130 is used to generate a suction airflow, which enters the dust collection space 1131 through the air inlet 111 and flows to the air outlet 112 after passing through the filter assembly 120 and the motor assembly 130.

[0064] In some embodiments, the filter assembly 120 is located above the dust collection space 1131, and the air outlet 112 is located at the top of the separator body 110.

[0065] In some embodiments, the handle body 150 includes a top housing 151 and a bottom housing 153, with the handle located between the top housing 151 and the bottom housing 153, and the motor assembly 130, the first air duct 116, and the second air duct 117 located within the top housing 151.

[0066] In some embodiments, the filter assembly 120 includes a support frame 121, on which a first air duct 116 is formed; the top housing 151 has a receiving cavity 1511, the motor assembly 130 is located within the receiving cavity 1511, the support frame 121 extends into the receiving cavity 1511, and a second air duct 117 is formed between the motor assembly 130 and the inner wall of the receiving cavity 1511, and between the support frame 121 and the inner wall of the receiving cavity 1511.

[0067] In some embodiments, the motor assembly 130 is disposed on the side of the receiving cavity 1511 that is farther from the filter assembly 120.

[0068] In some embodiments, the dust collection space 1131 has a longitudinal direction, and the filter assembly 120 further includes a first filter element 122 disposed on the support frame 121. The first filter element 122 is located upstream of the first air duct 116, and the first filter element 122 is disposed at an acute angle or a zero angle with the longitudinal direction.

[0069] In some embodiments, the filter assembly 120 further includes a second filter element 123, which is connected to the support frame 121 and located upstream of the air outlet 112 to achieve filtration, and the extension direction of the second filter element 123 is perpendicular to the longitudinal direction.

[0070] In some embodiments, the cleaning device further includes a dust-gas separation assembly, which and the first filter element 122 are detachably distributed on both sides of the bottom of the support frame 121 along the longitudinal direction of the dust collection space 1131.

[0071] Application Example 1

[0072] In application example one, a handheld vacuum cleaner is provided, which mainly includes a separator body 110, a filter assembly 120, a handle body 150, and an airflow channel. The filter assembly 120 is located above the dust collection space 1131 of the separator body 110. The airflow channel includes a first air duct 116 and a second air duct 117. The handle body 150 has a motor assembly 130, which is connected to the dust collection space 1131 through the first air duct 116 and to the air outlet 112 through the second air duct 117. The suction airflow passes through the first air duct 116 at the filter assembly 120 to reach the motor assembly 130, and then passes through the second air duct 117 at the filter assembly 120 to reach the air outlet 112. That is, the suction airflow first arrives at the position of the filter component 120, then leaves, and then returns to the position of the filter component 120 and finally leaves the separator body 110. During this process, the movement path of the suction airflow is extended and the flow rate is reduced, and the noise of the suction airflow is smaller when it leaves the separator body 110.

[0073] Application Example 2

[0074] In Application Example 2, the handheld vacuum cleaner has a structure largely the same as that in Application Example 1, except that the filter assembly 120 includes a support frame 121, and the first air duct 116 includes a connecting air duct 1161 and a first sub-air duct 1162. The connecting air duct 1161 is located within the separator body 110, and the first sub-air duct 1162 is located within the top housing 151 of the handle body 150. The second air duct 117 includes a second sub-air duct 1171 and an outlet air duct 1172. The outlet air duct 1172 is located within the separator body 110, and the second sub-air duct 1171 is located within the top housing 151 of the handle body 150.

[0075] Application Example 3

[0076] In application example three, the handheld vacuum cleaner has a structure that is roughly the same as that in application example two. The difference is that the first sub-duct 1162 and the second sub-duct 1171 are roughly parallel, and the suction airflow flows in opposite directions in the two.

[0077] Application Example 4

[0078] In application example four, the handheld vacuum cleaner has a dust collection space 1131 with a longitudinal direction X; the first filter element 122 extends along the longitudinal direction, i.e., it is set at a zero angle to the longitudinal direction. Here, the first filter element 122 is approximately parallel to the longitudinal direction. Compared to a filter element structure set perpendicular to the longitudinal direction, the filtration surface area of ​​the air inlet and outlet surfaces of the first filter element 122 can be increased accordingly, which helps to enhance the filtration effect, and due to its increased filtration area, its service life can also be increased.

[0079] It is understood that the terms used in the embodiments of this specification regarding handheld vacuum cleaners and cleaning equipment have the same meaning, and specific implementation details can be referred to each other. The examples and technical effects shown in the foregoing embodiments can be implemented accordingly, and this specification will not elaborate further.

[0080] The handheld vacuum cleaner and cleaning equipment provided in this application have been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of this application. The description of the above embodiments is only for the purpose of helping to understand the method 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 hand-held suction cleaner characterised in that, The dust collector comprises: a separator body having an air inlet, a dust collection space and an air outlet, the air inlet being communicated to the dust collection space; a filter assembly arranged on the separator body and above the dust collection space; a handle body arranged on one side of the separator body, the handle body having a motor assembly and a handle, the handle body comprising a top housing; and an air flow channel communicating the separator body and the handle body, the air flow channel comprising: a first air duct through which the motor assembly is communicated to the dust collection space, the first air duct comprising a first sub-air duct at the handle body; a second air duct through which the motor assembly is communicated to the air outlet, the second air duct comprising a second sub-air duct at the handle body; a cross-sectional area of the first sub-air duct is greater than that of the second sub-air duct, and the first sub-air duct and the second sub-air duct are parallel to each other in an extending direction; the filter assembly further comprises a carrier frame having a main body arranged in the separator body, and a part of the first air duct is defined by the main body of the carrier frame; the filter assembly further comprises a first filter element and a second filter element, the second filter element being connected to the carrier frame and arranged upstream of the air outlet to achieve filtration, the second filter element being arranged outside the first filter element, and the dust collection space has a longitudinal direction along which the first filter element extends; the top housing has a receiving cavity in which the motor assembly is arranged, and an extension portion, the motor assembly being arranged close to a side of the receiving cavity which is farther away from the first filter element.

2. The hand vacuum cleaner of claim 1, wherein, air flows in the first sub-air duct and the second sub-air duct are opposite to each other.

3. The hand vacuum cleaner of claim 2, wherein, the second sub-air duct is arranged above the first sub-air duct.

4. The hand vacuum cleaner of claim 1, wherein, the handle body comprises a bottom housing, the handle being arranged between the top housing and the bottom housing, and the motor assembly and at least part of the air flow channel are arranged in the top housing.

5. The handheld dust collector of claim 4, wherein: the extension portion separates the part of the air flow channel in the top housing into the first sub-air duct and the second sub-air duct.

6. The hand vacuum cleaner of claim 1, wherein, the air outlet is annularly arranged on a top of the separator body and faces an upper side or a circumferential outer side of the separator body.

7. The hand vacuum cleaner of claim 1, wherein, the dust-gas separation assembly and the filter assembly are detachably arranged on both sides of a bottom of the carrier frame along a longitudinal direction of the dust collection space.

8. A cleaning apparatus, characterized by The dust collector comprises: a separator body having an air inlet, a dust collection space and an air outlet, the air inlet being communicated to the dust collection space; a filter assembly arranged on the separator body, the filter assembly defining a first air duct and a second air duct at the filter assembly; and a handle body arranged on one side of the separator body, the handle body having a motor assembly and a handle, the handle body comprising a top housing; and an air flow channel communicating the separator body and the handle body, the air flow channel comprising: a first air duct through which the motor assembly is communicated to the dust collection space, the first air duct comprising a first sub-air duct at the handle body; a second air duct through which the motor assembly is communicated to the air outlet, the second air duct comprising a second sub-air duct at the handle body; a cross-sectional area of the first sub-air duct is greater than that of the second sub-air duct, and the first sub-air duct and the second sub-air duct are parallel to each other in an extending direction; the filter assembly further comprises a carrier frame having a main body arranged in the separator body, and a part of the first air duct is defined by the main body of the carrier frame; the filter assembly further comprises a first filter element and a second filter element, the second filter element being connected to the carrier frame and arranged upstream of the air outlet to achieve filtration, the second filter element being arranged outside the first filter element, and the dust collection space has a longitudinal direction along which the first filter element extends; the top housing has a receiving cavity in which the motor assembly is arranged, and an extension portion, the motor assembly being arranged close to a side of the receiving cavity which is farther away from the first filter element. air flows in the first sub-air duct and the second sub-air duct are opposite to each other. the second sub-air duct is arranged above the first sub-air duct. the handle body comprises a bottom housing, the handle being arranged between the top housing and the bottom housing, and the motor assembly and at least part of the air flow channel are arranged in the top housing.

5. The handheld dust collector of claim 4, wherein: the extension portion separates the part of the air flow channel in the top housing into the first sub-air duct and the second sub-air duct. the air outlet is annularly arranged on a top of the separator body and faces an upper side or a circumferential outer side of the separator body. the dust-gas separation assembly and the filter assembly are detachably arranged on both sides of a bottom of the carrier frame along a longitudinal direction of the dust collection space. The dust collector comprises: a separator body having an air inlet, a dust collection space and an air outlet, the air inlet being communicated to the dust collection space; a filter assembly arranged on the separator body, the filter assembly defining a first air duct and a second air duct at the filter assembly; and a handle body arranged on one side of the separator body, the handle body having a motor assembly and a handle, the handle body comprising a top housing; and an air flow channel communicating the separator body and the handle body, the air flow channel comprising: a first air duct through which the motor assembly is communicated to the dust collection space, the first air duct comprising a first sub-air duct at the handle body; a second air duct through which the motor assembly is communicated to the air outlet, the second air duct comprising a second sub-air duct at the handle body; a cross-sectional area of the first sub-air duct is greater than that of the second sub-air duct, and the first sub-air duct and the second sub-air duct are parallel to each other in an extending direction; the filter assembly further comprises a carrier frame having a main body arranged in the separator body, and a part of the first air duct is defined by the main body of the carrier frame; the filter assembly further comprises a first filter element and a second filter element, the second filter element being connected to the carrier frame and arranged upstream of the air outlet to achieve filtration, the second filter element being arranged outside the first filter element, and the dust collection space has a longitudinal direction along which the first filter element extends; the top housing has a receiving cavity in which the motor assembly is arranged, and an extension portion, the motor assembly being arranged close to a side of the receiving cavity which is farther away from the first filter element. air flows in the first sub-air duct and the second sub-air duct are opposite to each other. the second sub-air duct is arranged above the first sub-air duct. the handle body comprises a bottom housing, the handle being arranged between the top housing and the bottom housing, and the motor assembly and at least part of the air flow channel are arranged in the top housing.

5. The handheld dust collector of claim 4, wherein: the extension portion separates the part of the air flow channel in the top housing into the first sub-air duct and the second sub-air duct. the air outlet is annularly arranged on a top of the separator body and faces an upper side or a circumferential outer side of the separator body. the dust-gas separation assembly and the filter assembly are detachably arranged on both sides of a bottom of the carrier frame along a longitudinal direction of the dust collection space. The handle body is arranged at one side of the separator body, and has a motor assembly and a handle. The handle body comprises a top shell, and the motor assembly is communicated with the dust collection space through the first air duct and with the air outlet through the second air duct. The first air duct comprises a first sub-air duct at the handle body, and the second air duct comprises a second sub-air duct at the handle body. The cross-sectional area of the first sub-air duct is greater than that of the second sub-air duct. The first sub-air duct and the second sub-air duct are parallel to the extending direction. The filter assembly further comprises a carrier frame having a main body arranged in the separator body. A part of the first air duct is defined by the main body of the carrier frame. The filter assembly further comprises a first filter element and a second filter element. The second filter element is connected to the carrier frame and arranged upstream of the air outlet to achieve filtration. The second filter element is arranged outside the first filter element. The dust collection space has a longitudinal direction, and the first filter element extends along the longitudinal direction. The top shell has a receiving cavity and an extension. The motor assembly is arranged in the receiving cavity. The motor assembly is arranged close to a side of the receiving cavity which is farther from the first filter element.

9. The cleaning apparatus of claim 8, wherein, The filter assembly is arranged above the dust collection space, and the air outlet is arranged at the top of the separator body.

10. The cleaning apparatus of claim 8, wherein, The handle body comprises a bottom shell. The handle is arranged between the top shell and the bottom shell. The motor assembly, at least part of the first air duct, and at least part of the second air duct are arranged in the top shell.

11. The cleaning device of claim 10, wherein The extension separates the part of the air flow channel in the top shell into two parts belonging to the first air duct and the second air duct respectively.

12. The cleaning apparatus of claim 8, wherein, The first filter element is arranged on the carrier frame. The first filter element is arranged at an acute angle or zero angle with respect to the longitudinal direction.

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