A cleaning device with a high-efficiency and simple dust scraping structure

Abstract

A cleaning device with high-efficiency and simple dust scraping structure, comprising: a machine body, a motor arranged in the machine body and a cyclone separator communicated with the machine body, the machine body comprising a main body part and a pressing part sleeved in the main body part and extending backward beyond the main body part, the motor being fixedly arranged in the pressing part, the pressing part being capable of moving together with the motor to press into the main body part, and the pressing part being connected with a scraping member sleeved on the peripheral surface of the cyclone separator, when the pressing part is pressed and accommodated in the main body part, the scraping member is driven to scrape the outer surface of the cyclone separator. When the cyclone separator is blocked by dust or hair, the pressing part can be pressed at any time to drive the scraping member to clean the outer surface of the cyclone separator, without the need to manually clean the cyclone separator after being taken down, which is more clean, sanitary and convenient.

Description

[Technical Field]

[0001] This invention relates to the field of vacuum cleaner technology, and in particular to a cleaning device with a highly efficient and simple dust scraping structure. [Background Technology]

[0002] Existing cleaning equipment, especially handheld vacuum cleaners, typically includes a main body, a detachable cyclone separator mounted on the main body, a motor within the main body to generate negative pressure, and a power supply system. The power supply system powers the motor to create negative pressure. After dust and air are drawn in, they pass through the cyclone separator to separate the dust and air. Dust remains inside the cyclone separator, while clean air is discharged. The motor and cyclone separator are usually connected to achieve airflow. Existing cyclone separators include a cup body and a separator housed within the cup body. This separator uses a filter structure at least in the first stage of filtration, and can also incorporate a second-stage cyclone or conical second-stage separation structure within the filter to achieve multi-stage filtration. Cyclone separation works by rotating the airflow around the separator after dust enters it, while simultaneously passing through the filter screen for primary filtration. Most dust and hair are filtered out in this primary filter, and the dust falls into and is stored in the cup. To empty the dust, the cyclone separator must be removed from the main body, or the bottom of the cup must be opened. It is worth noting that a large amount of dust and hair usually adheres to or tangles around the outer edge of the primary filter screen. Users have to manually remove the dirt adhering to the outer edge of the primary filter screen when emptying the dust, resulting in a very poor product experience and greatly reducing users' willingness to use handheld vacuum cleaners.

[0003] The closest existing technology can be found in Chinese Utility Model Patent CN210871286U, which discloses a cyclone filter for a handheld vacuum cleaner. Its cyclone separation structure includes a dust cup and a separator disposed in the dust cup. The primary separator of the separator is a filter screen separator. The filter screen needs to be manually cleaned when emptying the dust.

[0004] Therefore, it is necessary to improve the existing technology to overcome the aforementioned defects. [Summary of the Invention]

[0005] The purpose of this invention is to provide a cleaning device with a highly efficient and convenient dust removal structure.

[0006] The objective of this invention is achieved through the following technical solution: a cleaning device with a highly efficient and simple dust-scraping structure, comprising: a body, a motor disposed within the body, and a cyclone separator connected to the body. The body includes a main body and a pressing part sleeved within the main body and extending rearward beyond the main body. The motor is fixedly disposed within the pressing part. The pressing part can drive the motor to move and press into the main body. Simultaneously, the pressing part is connected to a scraping component sleeved on the outer peripheral surface of the cyclone separator. When the pressing part is pressed and contained within the main body, it drives the scraping component to scrape the outer surface of the cyclone separator.

[0007] Preferably, the cyclone separator includes a primary separator, which is a ring-shaped body portion, and the body portion is configured as a perforated filter mesh structure.

[0008] Preferably, the scraper is configured as a flexible structure and abuts against the outer surface of the body of the primary separator.

[0009] Preferably, the pressing part is connected to the scraping member via a connecting rod, and a spring is sleeved on the connecting rod.

[0010] Preferably, a sealed connection channel is provided between the motor and the cyclone separator.

[0011] Preferably, the connecting channel is configured as a tapered structure that is larger at the front and smaller at the back.

[0012] Preferably, the connecting channel is configured as a corrugated compression structure or other flexible structure, so that when the pressing part is pressed into the body part, the connecting channel is simultaneously compressed and the two ends are kept sealed.

[0013] Preferably, the body is provided with an unlocking button that can unlock the pressing part, the cyclone separator includes a cup body with a bottom wall that can be closed or opened, the unlocking button is connected to the bottom of the cyclone separator, and the unlocking button can simultaneously lock or unlock the bottom wall of the cup body and the pressing part.

[0014] Preferably, the handheld vacuum cleaner further includes a handle supporting the body and a power supply system located below the handle, and when the pressing part is not pressed, it extends backward beyond the power supply system.

[0015] Preferably, when the pressing part is pressed and housed in the main body, the rear end of the pressing part does not extend beyond the rear end of the power supply system.

[0016] Compared with the prior art, the present invention has the following advantages: if the cyclone separator is blocked by dust or hair, the pressing part can be pressed at any time to drive the scraping part to clean the outer surface of the cyclone separator, without having to remove the cyclone separator for manual cleaning, which is cleaner, more hygienic and convenient. [Attached Image Description]

[0017] Figure 1 This is a perspective view of the present invention.

[0018] Figure 2 This is a perspective view of the present invention.

[0019] Figure 3 This is a cross-sectional view of the present invention, with the pressing part in the initial position.

[0020] Figure 4 This is a cross-sectional view of the present invention, with the pressing part in the initial position and the unlock button pressed to unlock.

[0021] Figure 5 This is a cross-sectional view of the present invention, showing the pressing part being compressed and extended into the main body.

Detailed Implementation Methods

[0022] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0023] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the referred mechanism or element must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0024] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0025] Furthermore, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0026] Please see Figures 1 to 5As shown, the present invention provides an efficient and simple dust-scraping structure and cleaning device. Specifically, the cleaning device can be one of a handheld vacuum cleaner, a canister vacuum cleaner, or a commercial vacuum cleaner, and can be further applied to a sweeping robot.

[0027] In the following detailed description, only handheld vacuum cleaners in cleaning equipment will be used as an example.

[0028] A handheld vacuum cleaner 100 includes a body 1, a handle 2 connected to the body 1, a cyclone separator 3 disposed on the body 1, a motor 4 disposed inside the body 1 for generating negative pressure, and a power supply system 5. In this solution, the power supply system is a battery pack.

[0029] The cyclone separator 3 includes a cup body 31 and a separation device 32 disposed within the cup body 31. The cup body 31 is generally cylindrical and includes a surrounding side wall 311 and a bottom wall 312 disposed at the bottom of the side wall 311, which can open or seal the bottom of the side wall 311. An axis X extending through the bottom wall 312 is disposed at the center of the cup body 31. Depending on different installation requirements, the cyclone separator 32 can be installed in the following ways: 1. The separation device 32 and the cup body 31 are detachably installed together and then detachably mounted on the body 1; 2. The separation device 32 is detachably or non-detachably fixedly mounted to the body 1, and the cup body 31 is also detachably fixedly mounted to the body 1; 3. The separation device 32 and the cup body 31 are both non-detachably mounted on the body 1, and when the cyclone separator 3 is emptying ash, the ash is emptied only by opening the bottom wall 312 of the cup body 31. Depending on the needs of the cleaning equipment, a suitable cyclone separator 3 installation method can be selected, which will not be elaborated here.

[0030] The body 1 includes a main body 11 for docking with the cyclone separator 3, an air intake channel 12 extending forward from the bottom of the main body 11, and a pressing part 13 extending backward from the main body 11 towards the cyclone separator 3. The air intake channel 12 is used to support the cyclone separator 3. The air intake channel 12 is provided with an airflow inlet and is connected to the airflow inlet of the cyclone separator 3. When the handheld vacuum cleaner 100 is started, dust is drawn in from the inlet of the air intake channel 12 and flows into the cyclone separator 3 for dust separation. The cyclone separator 3 is supported on the air intake channel 12 and is docked and connected to the main body 11 from front to back. In other embodiments, the cyclone separator 3 can adopt a central air intake method, with the dust inlet set on the bottom wall 312 of the cup body 31 of the cyclone separator 3. With this setting, it is not necessary to set up an air intake channel 12 to support the cyclone separator 3. Instead, the cyclone separator 3 is connected to the main body 11 by a fixed connection, but the cyclone separator 3 and the main body 11 are still connected from front to back. This will not be described in detail here.

[0031] The pressing part 13 is sleeved with the main body 11. The outer diameter of the pressing part 13 is smaller than the inner diameter of the main body 11. The pressing part 13 can slide and push along the inner side of the main body 11. The pressing part 13 is sleeved on the rear end of the main body 11 and extends rearward beyond the rear end of the main body 11. The outer contour of the pressing part 13 is roughly cylindrical. The pressing part 13 includes a rear end 131 extending outward from the rear end of the main body 11 and a front end 132 located inside the main body. The outer radial direction of the front end 132 protrudes outward beyond the outer diameter of the rear end 131. The front end of the pressing part 13 is held in the inner side of the rear end of the main body 11 to prevent the pressing part 13 from disengaging from the main body 11. Both the pressing part 13 and the inner side of the main body 11 are hollow. A visual electronic display screen can be provided on the rear wall of the pressing part 13. The visual electronic display screen can display information such as the current working status of the handheld vacuum cleaner.

[0032] The separation device 32 includes a primary separator 33 and a secondary separator 34 disposed inside the primary separator 33. The primary separator 33 includes an annular body 331 and a secondary dust storage part 332 that extends downward from the lower end of the body 331. A primary cyclone space for cyclone circulation is formed between the primary separator 33 and the cup body 31. Dust is drawn into the primary cyclone space from the airflow inlet of the cup body 31. The dust rotates around the primary separator 33 in the primary cyclone space. The body 331 of the primary separator 33 is a perforated filter screen 333 arranged around it. Large dust particles in the dust rotate around the primary separator 33 and are thrown into the lower end of the cup body 31 due to centrifugal force. Other dust enters the interior of the body 331 of the primary separator 33 from the perforated body 331.

[0033] The lower end of the main body 331 of the primary separator 33 is provided with a skirt 334 that extends downward and outward around the perimeter. The circumferential diameter of the skirt 334 is larger than that of the main body 331. The skirt 334 is used to suppress dust. When the dust and gas rotate and separate in the primary cyclone space, large dust particles are thrown to the bottom of the main body 331. The skirt 334 can prevent large dust particles from falling into the bottom of the cup 31 and then rising again.

[0034] The secondary ash storage section 332 narrows inward from the lower end of the filter screen 333 and then extends vertically downward to form a structure combining an inverted cone and a cylinder. When the bottom wall is closed, the cylindrical bottom of the secondary ash storage section 332 extends downward and abuts against the bottom wall 312 of the cup body 31. The secondary separator 34 is disposed inside the body part 331 of the primary separator 33 and is surrounded by the body part 331. The secondary separator 34 includes a cone that is axially arranged around the axis of the cup body 31.

[0035] The motor 4 is fixedly installed inside the pressing part 13. Preferably, the motor 4 is installed at the center of the pressing part 13 and is suspended to reduce the noise and vibration caused by the rotation of the motor 4. At the same time, a sealed connecting channel 35 is provided between the front end of the main body 11 and the air inlet of the motor 4. The motor 4 is connected to the cyclone separator 3 through the connecting channel 35.

[0036] The outer diameter of the motor 4 is smaller than the inner diameter of the main body 11. The outer diameter of the connecting channel 35 is tapered, with a larger front and a smaller back. In this embodiment, the connecting channel 35 adopts a corrugated compression structure or other flexible structure. When the pressing part 13 presses and compresses into the main body 11, the connecting channel 35 is also compressed, but the air inlet of the motor 4 and the front end of the main body 11 are kept sealed.

[0037] The front end of the pressing part 13 is provided with at least one connecting rod 14 that can extend into the cyclone separator 3. When the pressing part 13 presses into the main body 11, the connecting rod 14 extends forward into the cyclone separator 3. The end of the connecting rod 14 is connected to a scraper 15 that surrounds the outer periphery of the primary separator 33. The scraper 15 is made of flexible material and can abut against the outer wall of the primary separator 33 and scrape the outer surface of the primary separator 33 back and forth along the X-axis direction.

[0038] When the pressing part 13 is in its initial state, that is, when the pressing part 13 is not pressed, the connecting rod 14 connects to the scraper 15 at the root end of the primary separator 33 to avoid adverse effects on the separation effect of the cyclone separator 3. When the pressing part 13 is pressed, the connecting rod 14 drives the scraper 15 to move towards the skirt 334. At the same time, the scraper 15 scrapes the outer surface of the primary cyclone separator 33, cleaning the dust and hair adsorbed or wrapped on the surface of the primary cyclone separator 33 and removing them from the outer surface of the primary cyclone separator 33. These dirty objects fall into the cup 31 for collection. In this way, the user can avoid manually cleaning the primary cyclone separator 33.

[0039] The rear end face of the main body 1 is provided with a pressable unlock button 16. The unlock button 16 is connected to the bottom wall of the cup body 31 via a connecting rod. When the user presses the unlock button 16, the latch on the bottom wall of the cup body 31 is unlocked and pops open, allowing the bottom wall 312 of the cup body 31 to be opened for emptying ash. In a further embodiment, the unlock button 16 can be connected to a pressing part 13. When the unlock button 16 is not pressed to unlock, the pressing part 13 cannot be pressed into the main body 11.

[0040] A spring 141 is sleeved on the connecting rod 14. When the pressing part 13 is pressed, the spring 141 is compressed to form a restoring force, which allows the pressing part 13 to return to its initial position. Furthermore, the connecting channel 35 can be configured as a telescopic structure with a restoring force, and the restoring force of the connecting channel 35 can be used to return the pressing part 13 to its initial position.

[0041] The handle 2 is supported below the body 1, and the power supply system 4 is located at the bottom of the handle 2. That is, the handle 2 is located between the body 1 and the power supply system 4. The main body 11 of the body 1 extends backward but does not exceed the rear end of the power supply system 4. When the pressing part 13 is not pressed into the main body 11, the rear end of the pressing part 13 extends backward beyond the rear end of the power supply system 4. When the pressing part 13 is pressed and almost completely contained within the main body 11, the rear end of the pressing part 13 does not extend backward beyond the rear end of the power supply system 4.

[0042] According to the structural scheme of the present invention, the pressing part 13 can be configured to be pressed even when the handheld vacuum cleaner 100 is in use. During the use of the handheld vacuum cleaner 100, if the primary separator 33 is blocked by dust or hair, the pressing part 13 can be pressed at any time to drive the scraping part 15 to clean the outer surface of the primary separator 33. There is no need to remove the cup body 31 for manual cleaning, which is cleaner, more hygienic and convenient.

[0043] In this invention patent, the present invention is a cleaning solution that can be used to clean the first stage separator 33 of a cyclone separator in a cleaning appliance. Its application scope is not limited to any form of cleaning appliance. This structure can be used in handheld, gun-type, upright and any other form of cleaning appliance, which will not be described in detail in this patent.

[0044] Although embodiments of the present invention have been disclosed above, they are not limited to the applications listed in the specification and embodiments. They can be applied to various fields suitable for the present invention, and those skilled in the art can easily implement other modifications. Therefore, without departing from the general concept defined by the claims and their equivalents, the present invention is not limited to the specific details and illustrations shown and described herein. The above is merely one specific embodiment of the present invention, and any improvements made based on the inventive concept are considered to be within the scope of protection of the present invention. Therefore, the scope of protection of this patent should be determined by the appended claims.

Claims

1. A cleaning device with a highly efficient and simple dust-scraping structure, characterized in that: include: The device comprises a body, a motor housed within the body, and a cyclone separator connected to the body. The body includes a main body and a pressing part fitted inside the main body and extending rearward beyond the main body. The motor is fixedly installed within the pressing part. The pressing part can drive the motor to move and press into the main body. Simultaneously, the pressing part is connected to a scraper fitted on the outer circumferential surface of the cyclone separator. When the pressing part is pressed and housed within the main body, it drives the scraper to scrape the outer surface of the cyclone separator. The pressing part is connected to the scraper via a connecting rod, on which a spring is fitted. A sealed connecting channel is provided between the motor and the cyclone separator. The connecting channel is a conical structure that is wider at the front and narrower at the back. The connecting channel is a corrugated compression structure or a flexible structure. When the pressing part is pressed into the main body, the connecting channel is simultaneously compressed while maintaining a sealed connection at both ends.

2. The cleaning equipment as described in claim 1, characterized in that: The cyclone separator includes a primary separator, which is a ring-shaped body part with a perforated filter mesh structure.

3. The cleaning equipment as described in claim 2, characterized in that: The scraper is configured as a flexible structure and abuts against the outer surface of the main body of the primary separator.

4. The cleaning equipment as described in claim 1, characterized in that: The body is provided with an unlocking button that can unlock the pressing part. The cyclone separator includes a cup body with a bottom wall that can be closed or opened. The unlocking button is connected to the bottom of the cyclone separator. The unlocking button can simultaneously lock or unlock the bottom wall of the cup body and the pressing part.

5. The cleaning equipment as described in claim 1, characterized in that: The cleaning device also includes a handle that supports the body and a power supply system located below the handle. When the pressing part is not pressed, it extends backward beyond the power supply system.

6. The cleaning equipment as described in claim 5, characterized in that: When the pressing part is pressed and housed in the main body, the rear end of the pressing part does not extend beyond the rear end of the power supply system.

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