A vacuum cleaner

Abstract

This application discloses a vacuum cleaner, including a handle, a main unit, and a floor brush assembly connected in sequence. A first dust cup is detachably mounted on the floor brush assembly, and the first dust cup is provided with a first air inlet and a first air outlet. The first air inlet is connected to the suction port on the floor brush assembly. A second dust cup is detachably mounted on the main unit, and the second dust cup is provided with a second air inlet and a second air outlet. The first air outlet and the second air inlet are connected to each other through a first connecting pipe. The vacuum cleaner filters the sucked-in air multiple times through the cooperation of the first and second dust cups. The first dust cup is detachably mounted on the floor brush assembly, and the second dust cup is detachably mounted on the main unit. Both the first and second dust cups can be disassembled for cleaning, improving ease of use.

Description

Technical Field

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

[0002] Vacuum cleaners, as a common household cleaning device, are widely used in cleaning homes, commercial spaces, and industrial environments. Their basic principle is to use a motor to generate negative pressure, sucking in dust and debris from the air and collecting it in a dustbin, thereby cleaning floors, furniture surfaces, and other object surfaces. As people's demands for cleaning efficiency and convenience continue to increase, vacuum cleaner technology is also constantly evolving. Upright vacuum cleaners, with their unique upright structure, mainly consist of an upright body, a nozzle hinged to the lower part of the body, and a handle mounted on the top of the body. They are easy to move and operate during use, while occupying less space, making them suitable for daily household cleaning. Currently, upright vacuum cleaners typically use a single dustbin design. The large volume of this single dustbin increases the overall size of the vacuum cleaner, making it difficult to reach low spaces such as under beds and sofas, resulting in low cleaning efficiency. Furthermore, the filtration system of a single dustbin is usually located in the main unit of the vacuum cleaner. Dust travels through a long pipe before entering the dustbin, which can easily lead to pipe blockage and affect the continuity of suction power. In addition, the single dust chamber design causes dust to accumulate in one place, which can easily cause secondary pollution during cleaning, and the cleaning process is also more complicated.

[0003] To address the aforementioned issues, a utility model patent with authorization announcement number CN210277051U discloses a stick-type handheld multi-functional vacuum cleaner, comprising: a floor brush assembly, a connecting pipe assembly, and a handheld vacuum assembly connected in sequence. The floor brush assembly is equipped with a first dust cup filter assembly, and the handheld vacuum assembly is equipped with a second dust cup filter assembly. Air containing dust is drawn in through the air inlet of the floor brush assembly, coarsely filtered by the first dust cup filter assembly, and then enters the second dust cup filter assembly of the handheld vacuum assembly for secondary filtration through the connecting pipe assembly. The purified air is discharged through the air outlet of the handheld vacuum assembly. Both the handheld vacuum assembly and the second dust cup filter assembly are arranged along the axial direction of the connecting pipe assembly. In this technical solution, the intake air is filtered multiple times by the cooperation of the first dust cup filter assembly and the second dust cup filter assembly. This not only improves the filtration efficiency, but also reduces the volume of a single dust cup while keeping the total storage volume of the dust cups unchanged, resulting in a smaller overall size. However, the first dust cup filter assembly is mounted on the floor brush assembly, which makes it difficult to disassemble and clean, thus easily affecting the suction efficiency and causing the first dust cup filter assembly to become clogged, affecting the performance and lifespan of the vacuum cleaner. Summary of the Invention

[0004] The technical problem to be solved by this application is to provide a vacuum cleaner that filters the intake air multiple times through the cooperation of a first dust cup and a second dust cup. The first dust cup is detachably mounted on the floor brush assembly and the second dust cup is detachably mounted on the main unit. Both the first dust cup and the second dust cup can be removed for cleaning, thereby improving the ease of use.

[0005] This application provides a vacuum cleaner, including a handle, a main unit, and a floor brush assembly connected in sequence. A first dust cup is detachably installed on the floor brush assembly. The first dust cup is provided with a first air inlet and a first air outlet. The first air inlet is connected to the suction port on the floor brush assembly. A second dust cup is detachably installed on the main unit. The second dust cup is provided with a second air inlet and a second air outlet. The first air outlet and the second air inlet are connected to each other through a first connecting pipe.

[0006] In this technical solution, the first dust cup is directly connected to the suction port of the floor brush assembly through the first air inlet, mainly responsible for the initial filtration of the sucked-in air. The second dust cup is connected to the first air outlet of the first dust cup through the second air inlet, used for secondary filtration of the sucked-in air, effectively improving filtration efficiency, reducing dust pollution inside the main unit, and extending the service life of the vacuum cleaner. The independent design of the first and second dust cups reduces the impact of a single dust cup failure on the overall performance of the vacuum cleaner, improving the reliability and stability of the product. The first and second dust cups are connected by a first connecting pipe to ensure smooth airflow and avoid suction power reduction due to airflow blockage. Both the first and second dust cups adopt a detachable installation method, which is convenient for users to disassemble and clean, avoiding the problem of difficult disassembly and cleaning of dust cups in traditional vacuum cleaners, and reducing the risk of dust accumulation and blockage. The connection between the first dust cup and the floor brush assembly includes, but is not limited to, snaps, knobs, or other quick-release structures, ensuring a firm installation and easy disassembly. Users can easily remove the first dust cup from the floor brush assembly, reducing the time and effort required to clean the first dust cup and improving the user experience.

[0007] As an improvement, a first filter screen is installed inside the first dust cup, and the first filter screen is positioned close to the first air outlet. The gas in the first dust cup is filtered by the first filter screen and then discharged through the first air outlet. In this technical solution, the gas drawn in by the suction port of the floor brush assembly enters the first dust cup through the first air inlet. By setting the first filter screen inside the first dust cup, dust and impurities in the gas are intercepted by the first filter screen inside the first dust cup. The design of the first filter screen being close to the first air outlet ensures that the gas must undergo preliminary filtration before being discharged, removing larger dust and impurities, thereby effectively separating dust and impurities in the air, preventing unfiltered air from being directly discharged from the first air outlet, and improving filtration efficiency.

[0008] As an improvement, the first dust cup is provided with a first mounting groove adapted to the first filter screen, and the first filter screen is detachably connected to the first mounting groove; the first filter screen has an arc-shaped structure. In this technical solution, the first dust cup uses the first mounting groove to position and install the first filter screen. The first mounting groove provides a fixed installation position for the first filter screen, ensuring the stability and sealing of the first filter screen within the first dust cup. The connection between the first filter screen and the first mounting groove is designed to be detachable. Specific detachable connection methods include, but are not limited to, plug-in and snap-fit, allowing users to remove or install the first filter screen from the first mounting groove for cleaning or replacement, reducing cleaning and maintenance time and steps. The arc-shaped structure of the first filter screen more effectively utilizes the internal space of the first dust cup, increasing the filtration area. Compared to a planar structure, more gas can pass through the first filter screen simultaneously. The arc-shaped structure reduces airflow resistance, allowing airflow to pass through the first filter screen more smoothly, thereby improving filtration efficiency.

[0009] As an improvement, a first guide plate is provided inside the first dust cup. The first guide plate is located between the first air inlet and the first air outlet to separate the two. The first guide plate has an arc-shaped structure relative to the first air outlet. In this technical solution, the first guide plate is located between the first air inlet and the first air outlet, which serves to separate the first air inlet and the first air outlet, extending the flow path of the airflow in the first dust cup, preventing the airflow from the first air inlet from being directly discharged through the first air outlet, and improving the filtration efficiency. The arc-shaped structure of the first guide plate is more compatible with the first air outlet and the first filter screen, improving the overall filtration efficiency, enhancing the stability of the overall structure, reducing vibration and deformation caused by airflow impact, and extending the service life of the first dust cup.

[0010] As an improvement, the first dust cup is further provided with a second guide plate and a third guide plate. One end of the first guide plate is connected to the second guide plate, and the other end of the first guide plate is connected to the third guide plate. A first opening facing the first air inlet is formed between the second guide plate and the third guide plate. The first guide plate, the second guide plate and the third guide plate are integrally formed structures. In this technical solution, the first, second, and third guide plates work together to more precisely control the airflow path. One end of the first guide plate is connected to the second guide plate, and the other end is connected to the third guide plate, forming an integrated guide structure that enhances the stability of the guide plates. Through the design of multi-stage guide plates, the airflow distribution is further optimized, allowing the airflow to stay in the first dust cup for a longer time and achieving better filtration. The first opening is directly opposite the first air inlet. The first, second, and third guide plates form a frame structure that can intercept and contain dust and impurities. The gas drawn in by the first air inlet is dispersed and intercepted by the first, second, and third guide plates, preventing dust from accumulating at the first air outlet in a short time and improving gas discharge efficiency. The integrated structure reduces airflow leakage and turbulence between the guide plates, optimizes the airflow path, reduces airflow resistance, reduces the risk of dust leakage, improves filtration efficiency, and enhances the overall structural stability of the guide plates.

[0011] As an improvement, one end of the second guide plate is connected to the first guide plate, and the other end of the second guide plate is provided with a first baffle formed by bending towards the third guide plate. One end of the third guide plate is connected to the first guide plate, and the other end of the third guide plate is provided with a second baffle formed by bending towards the second guide plate. The first baffle and the second baffle are on the same straight line. In this technical solution, by setting the first baffle and the second baffle facing each other, dust and impurities in the airflow can be effectively blocked, so that dust and impurities are intercepted in the frame structure formed by the first guide plate, the second guide plate and the third guide plate, preventing them from directly entering the subsequent filtration system, thus improving filtration efficiency. The second baffle and the first baffle are on the same straight line, forming a symmetrical structure, ensuring uniform distribution of airflow between the guide plates, reducing airflow turbulence and improving airflow stability.

[0012] As an improvement, the floor brush assembly is provided with a second mounting slot for installing the first dust cup. The floor brush assembly is provided with a locking mechanism and an unlocking switch. The floor brush assembly uses the locking mechanism to limit the first dust cup to be in the second mounting slot, and the floor brush assembly uses the unlocking switch to release the locking mechanism. In this technical solution, the floor brush assembly provides a stable installation position for the first dust cup through the second mounting slot. The shape and size of the second mounting slot are adapted to the first dust cup, ensuring a tight installation. The locking mechanism locks the first dust cup in the second mounting slot, ensuring that the first dust cup remains in a limited position during use and preventing it from detaching from the floor brush assembly. The unlocking switch controls the unlocking action of the locking mechanism, releasing the locking mechanism from the first dust cup, thus facilitating the user to disassemble the first dust cup for cleaning or replacement. The unlocking switch is preferably a push-button type, which quickly unlocks the first dust cup. When installing the first dust cup, the user places it into the second mounting slot, where the locking mechanism secures it. When cleaning or replacing the first dust cup, applying force to the unlocking switch releases the locking mechanism, allowing the first dust cup to be easily removed. The cooperation between the locking mechanism and the unlocking switch makes the installation and removal of the first dust cup effortless and reliable, improving the user experience.

[0013] As an improvement, the first dust cup includes a first housing and a second housing. The first housing is fitted over the second housing. One side of the first housing has a second opening for lateral insertion of the second housing, and the other side of the second housing has a third opening for lateral ejection. In this technical solution, the first dust cup is composed of a first housing and a second housing, forming a double-layer structure. This provides better structural stability and sealing for the first dust cup. The first housing has a second opening and a third opening on its two sides. The second opening provides an insertion port for the second housing, and the third opening provides an operating window for the user. This allows the user to quickly install or remove the second housing through lateral operation, facilitating cleaning and maintenance of the first dust cup's interior. This improves the ease of installation and removal of the first dust cup. Furthermore, the double-layer housing design enhances overall structural stability. The fitted structure and the side opening design ensure the first dust cup's sealing during dust collection, preventing dust leakage and improving filtration efficiency.

[0014] As an improvement, a first sealing structure adapted to the second opening is provided on one side of the second housing, and a second sealing structure adapted to the third opening is provided on the other side of the second housing. The second housing is sealed to the second opening through the first sealing structure, and also sealed to the third opening through the second sealing structure. In this technical solution, the second housing can be laterally inserted into the first housing through the second opening. The first sealing structure on the second housing ensures that it fits tightly with the second opening when inserted into the first housing, forming a sealed connection on one side of the first and second housings. The second housing can be laterally pushed out of the first housing through the third opening, and the second sealing structure on the second housing ensures that it fits tightly with the third opening when inserted, forming a sealed connection on the other side of the first and second housings. This ensures the sealing of the first dust cup during dust collection, prevents dust leakage, and improves filtration efficiency. The specific first and second sealing structures can be selected from sealing rings, sealing gaskets, or other elastic sealing components, achieving sealing through tight fit with the corresponding openings. The sealing structure is simple and reliable.

[0015] As an improvement, the first housing is a transparent housing; a handle is provided on the top of the first housing. In this technical solution, the first housing is made of transparent material, which allows users to observe the dust accumulation inside the first dust cup at any time, promptly identify when cleaning is needed, and avoid blockages or odor problems caused by excessive dust accumulation. Users can flexibly decide the cleaning frequency according to the dust accumulation, avoiding over-cleaning or under-cleaning, thereby optimizing the maintenance process; the handle design makes it easy for users to grip and lift the first dust cup, especially during disassembly, cleaning, or installation, improving the user experience.

[0016] As an improvement, the first connecting pipe has a bent pipe structure. One end of the first connecting pipe is used to seal and connect to the first air outlet, and the other end is used to seal and connect to the second air inlet. In this technical solution, the first connecting pipe forms a continuous airflow channel between the first air outlet and the second air inlet, optimizing the airflow path of the entire vacuum cleaner. The bent pipe structure allows the airflow to turn smoothly within the pipe, reducing airflow resistance and turbulence at the connection point. Furthermore, the bent pipe structure is more suitable for the overall layout of the upright vacuum cleaner, enabling efficient airflow transmission within a limited space while avoiding interference with other components. One end of the first connecting pipe is sealed and connected to the first air outlet, ensuring that the airflow can seamlessly enter the first connecting pipe after being discharged from the first dust cup, reducing the risk of dust leakage. The other end of the first connecting pipe is sealed and connected to the second air inlet, ensuring that the airflow can smoothly enter the second dust cup for secondary filtration, improving filtration efficiency. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of a vacuum cleaner according to this application.

[0018] Figure 2 This is a schematic diagram of the exploded structure of a vacuum cleaner according to this application.

[0019] Figure 3 This is a three-dimensional structural diagram of the first dust cup in this application.

[0020] Figure 4 This is a schematic diagram of the exploded structure of the first dust cup in Embodiment 2 of this application.

[0021] Figure 5 This is a schematic diagram of the explosion structure of the first dust cup in Embodiment 3 of this application.

[0022] Figure 6 This is a three-dimensional structural diagram of the second shell in Embodiment 4 of this application.

[0023] The figure shows: 1. Handle; 2. Main unit; 3. Floor brush assembly; 31. Second mounting slot; 311. Buckle hole; 32. Unlock switch; 4. First dust cup; 41. First air inlet; 42. First air outlet; 43. First filter; 44. First mounting slot; 45. First guide plate; 451. Grip; 46. Second guide plate; 461. First baffle; 47. Third guide plate; 471. Second baffle; 48. First housing; 481. Second opening; 482. Third opening; 483. Handle; 484. Snap-on structure; 49. Second housing; 491. First sealing structure; 492. Second sealing structure; 5. Second dust cup; 6. First connecting pipe. Detailed Implementation

[0024] To better understand this application, various aspects of this application will be described in more detail with reference to the accompanying drawings. It should be understood that these detailed descriptions are merely illustrative of exemplary embodiments of this application and are not intended to limit the scope of this application in any way. Throughout the specification, the same reference numerals refer to the same elements.

[0025] In the accompanying drawings, the thickness, size, and shape of the objects have been slightly exaggerated for illustrative purposes. The drawings are for illustrative purposes only and are not drawn to scale.

[0026] It should also be understood that the terms "comprising," "including," "having," "containing," and "including," when used in this specification, indicate the presence of the stated features, integrals, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components, and / or combinations thereof. The terms "first," "second," etc., are primarily used to distinguish different devices, elements, or components (the specific types and constructions may be the same or different), and are not intended to indicate or imply the relative importance or quantity of the indicated devices, elements, or components. Unless otherwise stated, "a plurality of" means two or more.

[0027] Furthermore, it should be noted that the terms "installation," "setting," "equipped with," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; 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, or an internal connection between two devices, elements, or components; they can refer to a direct installation on another component or the possible presence of another intermediate component. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein in the specification of this invention is for the purpose of describing particular embodiments only and is not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0028] Example 1

[0029] like Figures 1 to 6As shown, this application discloses a vacuum cleaner, including a handle 1, a main unit 2, and a floor brush assembly 3 connected in sequence. A first dust cup 4 is detachably mounted on the floor brush assembly 3, and the first dust cup 4 is provided with a first air inlet 41 and a first air outlet 42. The first air inlet 41 is connected to the suction port on the floor brush assembly 3. A second dust cup 5 is detachably mounted on the main unit 2, and the second dust cup 5 is provided with a second air inlet and a second air outlet. The first air outlet 42 and the second air inlet are connected by a first connecting pipe 6. The first dust cup 4 is connected to the floor brush assembly 3 through the first air inlet 41. The suction port is directly connected and is mainly responsible for the initial filtration of the sucked-in gas. The second dust cup 5 is connected to the first air outlet 42 of the first dust cup 4 through the second air inlet and is used for secondary filtration of the sucked-in gas, which effectively improves the filtration efficiency, reduces dust pollution inside the main unit 2, and extends the service life of the vacuum cleaner. In this application, the suction port of the vacuum cleaner is set on the floor brush assembly 3, and the exhaust port of the vacuum cleaner can be set on the floor brush assembly 3 or the main unit 2. The exhaust port is connected to the second air outlet of the second dust cup 5. The specific exhaust port design can refer to the prior art, and this application does not limit it.

[0030] The independent design of the first dust cup 4 and the second dust cup 5 reduces the impact of a single dust cup failure on the overall performance of the vacuum cleaner, improving the reliability and stability of the product. The first dust cup 4 and the second dust cup 5 are connected by the first connecting pipe 6 to ensure smooth airflow and avoid suction power reduction due to airflow blockage. Both the first dust cup 4 and the second dust cup 5 adopt a detachable installation method, which is convenient for users to disassemble and clean, avoiding the problem of difficult disassembly and cleaning of dust cups in traditional vacuum cleaners, and reducing the risk of dust accumulation and blockage. The connection between the first dust cup 4 and the floor brush assembly 3 includes, but is not limited to, buckles, knobs or other quick-release structures, ensuring that the installation is firm and easy to disassemble. Users can easily remove the first dust cup 4 from the floor brush assembly 3, reducing the time and effort required to clean the first dust cup 4 and improving the user experience.

[0031] More specifically, such as Figures 3 to 6 As shown, a first filter 43 is installed inside the first dust cup 4. The first filter 43 is positioned close to the first air outlet 42. The gas in the first dust cup 4 is filtered by the first filter 43 and then discharged through the first air outlet 42. The gas sucked in by the suction port of the floor brush assembly 3 enters the first dust cup 4 through the first air inlet. By setting the first filter 43 inside the first dust cup 4, dust and impurities in the gas are intercepted by the first filter 43 inside the first dust cup 4. The design of the first filter 43 being close to the first air outlet 42 ensures that the gas must undergo preliminary filtration before being discharged, removing larger dust and impurities, thereby effectively separating dust and impurities in the air and preventing unfiltered air from being directly discharged from the first air outlet 42, thus improving filtration efficiency.

[0032] More specifically, such as Figure 4As shown, the first dust cup 4 is provided with a first mounting slot 44 that is adapted to the first filter screen 43. The first filter screen 43 is detachably connected to the first mounting slot 44. The first dust cup 4 uses the first mounting slot 44 to position and install the first filter screen 43. The first mounting slot 44 provides a fixed installation position for the first filter screen 43, ensuring the stability and sealing of the first filter screen 43 in the first dust cup 4. The connection between the first filter screen 43 and the first mounting slot 44 is designed to be detachable. The specific detachable connection methods include, but are not limited to, plug-in and snap-fit. Users can remove or install the first filter screen 43 from the first mounting slot 44 for cleaning or replacement, reducing the time and steps for cleaning and maintenance.

[0033] More specifically, such as Figures 4 to 6 As shown, the first filter screen 43 has an arc-shaped structure, which makes more effective use of the internal space of the first dust cup 4 and increases the filtration area. Compared with the planar structure, more gas can pass through the first filter screen 43 at the same time. The arc-shaped structure can reduce the resistance when the airflow passes through, making the airflow pass through the first filter screen 43 more smoothly, thereby improving the filtration efficiency.

[0034] More specifically, such as Figure 2 As shown, the floor brush assembly 3 is provided with a second mounting slot 31 for installing the first dust cup 4. The floor brush assembly 3 is provided with a locking mechanism and an unlocking switch 32. The floor brush assembly 3 uses the locking mechanism to confine the first dust cup 4 within the second mounting slot 31. The floor brush assembly 3 uses the unlocking switch 32 to release the locking mechanism. The floor brush assembly 3 provides a stable mounting position for the first dust cup 4 through the second mounting slot 31. The shape and size of the second mounting slot 31 are adapted to the first dust cup 4, ensuring that the first dust cup 4 is tightly installed. The locking mechanism is used to lock the first dust cup 4 within the second mounting slot 31, ensuring that the first dust cup 4 remains confined during use and prevents it from detaching from the floor brush assembly 3. The unlocking switch 32 is used to control the unlocking action of the locking mechanism, so that the locking mechanism releases the limit on the first dust cup 4, thereby facilitating the user to disassemble the first dust cup 4 for cleaning or replacement. The unlocking switch 32 is preferably a push-button type unlocking switch 32, which quickly unlocks the first dust cup 4. When installing the first dust cup 4, the user puts the first dust cup 4 into the second mounting slot 31 and fixes the first dust cup 4 by the locking mechanism. When it is necessary to clean or replace the first dust cup 4, force is applied to the unlocking switch 32 to release the limit on the locking mechanism, and the first dust cup 4 can be easily taken out. The cooperation between the locking mechanism and the unlocking switch 32 makes the installation and disassembly of the first dust cup 4 labor-saving and reliable, improving the user experience.

[0035] More specifically, such as Figures 3 to 5As shown, the first dust cup 4 includes a first housing 48 and a second housing 49. The first housing 48 is fitted over the second housing 49. One side of the first housing 48 has a second opening 481 for the second housing 49 to be inserted laterally, and the other side of the second housing 49 has a third opening 482 for the second housing 49 to be pushed out laterally. The first dust cup 4 is composed of the first housing 48 and the second housing 49. The first housing 48 and the second housing 49 form a double-layer structure, which makes the first dust cup 4 have better structural stability and sealing. The second opening 481 and the third opening 482 are respectively provided on both sides of the first housing 48. The second opening 481 provides an insertion port for the second housing 49, and the third opening 482 provides an operation window for the user, allowing the user to quickly install or remove the second housing 49 through lateral operation, so as to facilitate cleaning and maintenance of the inside of the first dust cup 4. This improves the ease of installation and removal of the first dust cup 4, and the double-layer housing design also enhances the overall structural stability. The fitted structure and the side opening design can ensure the sealing of the first dust cup 4 during the dust collection process, avoid dust leakage, and improve filtration efficiency.

[0036] More specifically, such as Figures 4 to 6 As shown, a first sealing structure 491 adapted to the second opening 481 is provided on one side of the second housing 49, and a second sealing structure 492 adapted to the third opening 482 is provided on the other side of the second housing 49. The second housing 49 is sealed to the second opening 481 through the first sealing structure 491, and sealed to the third opening 482 through the second sealing structure 492. The second housing 49 can be laterally inserted into the first housing 48 through the second opening 481. By providing the first sealing structure 491 on the second housing 49, it is ensured that the first sealing structure 491 can tightly fit with the second opening 481 when the second housing 49 is inserted into the first housing 48. A sealed connection is formed on one side of the second housing 49. The second housing 49 can be laterally pushed out of the first housing 48 through the third opening 482. By providing a second sealing structure 492 on the second housing 49, it is ensured that the second sealing structure 492 can fit tightly with the third opening 482 when the second housing 49 is inserted. A sealed connection is formed on the other side of the first housing 48 and the second housing 49 to ensure the sealing of the first dust cup 4 during the dust collection process, prevent dust leakage, and improve filtration efficiency. Specifically, the first sealing structure 491 and the second sealing structure 492 can be optionally fitted with sealing rings, sealing gaskets or other elastic sealing components. The sealing is achieved by tightly fitting with each corresponding opening. The sealing structure is simple and reliable.

[0037] More specifically, the first housing 48 is a transparent housing made of transparent material. The transparent first housing 48 allows users to observe the dust accumulation inside the first dust cup 4 at any time, promptly identify when cleaning is needed, and avoid blockages or odor problems caused by excessive dust accumulation. Users can flexibly decide the cleaning frequency based on the dust accumulation, avoiding over-cleaning or under-cleaning, thereby optimizing the maintenance process. The top of the first housing 48 is provided with a handle 483. The design of the handle 483 makes it easy for users to grip and lift the first dust cup 4, especially during disassembly, cleaning, or installation, improving the user experience.

[0038] More specifically, such as Figure 2 and Figure 3 As shown, the bottom of the first housing 48 is provided with a snap-fit ​​structure 484, and the second mounting groove 31 is provided with a snap hole 311 that is adapted to the snap-fit ​​structure 484. The snap-fit ​​structure 484 is connected to the snap hole 311, so that the first housing 48 is positioned and installed in the second mounting groove 31, which improves the installation stability and reliability of the first dust cup 4. The snap-fit ​​structure 484 and the snap hole 311 are simple and reliable to cooperate.

[0039] More specifically, the first connecting pipe 6 has a bent pipe structure. One end of the first connecting pipe 6 is used to seal and connect to the first air outlet 42, and the other end is used to seal and connect to the second air inlet. The first connecting pipe 6 forms a continuous airflow channel between the first air outlet 42 and the second air inlet, optimizing the airflow path of the entire vacuum cleaner. The bent pipe structure of the first connecting pipe 6 allows the airflow to turn smoothly in the pipe, reducing airflow resistance and turbulence at the connection point. Furthermore, the bent pipe structure is more suitable for the overall layout of the upright vacuum cleaner, enabling it to achieve efficient airflow transmission in a limited space, while avoiding interference with other components. One end of the first connecting pipe 6 is sealed and connected to the first air outlet 42, ensuring that the airflow can seamlessly enter the first connecting pipe 6 after being discharged from the first dust cup 4, reducing the risk of dust leakage. The other end of the first connecting pipe 6 is sealed and connected to the second air inlet, ensuring that the airflow can smoothly enter the second dust cup 5 for secondary filtration, improving filtration efficiency.

[0040] Example 2

[0041] like Figure 4As shown, this embodiment provides a vacuum cleaner based on Embodiment 1, with the same structure as Embodiment 1. A first guide plate 45 is provided inside the first dust cup 4. The first guide plate 45 is located between the first air inlet 41 and the first air outlet 42 to separate the first air inlet 41 and the first air outlet 42. The first guide plate 45, positioned between the first air inlet 41 and the first air outlet 42, serves to separate the first air inlet 41 and the first air outlet 42, extending the airflow path within the first dust cup 4, preventing the airflow from the first air inlet 41 from being directly discharged through the first air outlet 42, and improving filtration efficiency.

[0042] More specifically, such as Figure 4 As shown, the first guide plate 45 has an arc-shaped structure relative to the first air outlet 42. The arc-shaped first guide plate 45 is more compatible with the first air outlet 42 and the first filter screen 43, which improves the overall filtration efficiency, enhances the stability of the overall structure, reduces vibration and deformation caused by airflow impact, and extends the service life of the first dust cup 4.

[0043] More specifically, such as Figure 4 As shown, the first guide plate 45 and the first filter screen 43 can be an integrated structure. When the first filter screen 43 is disassembled and assembled, the first guide plate 45 can be disassembled and assembled simultaneously, reducing the number of parts, simplifying the assembly process, and optimizing space utilization. The integrated structure can better guide airflow, reduce airflow leakage between the guide plate and the filter screen, and improve filtration efficiency. The top of the first guide plate 45 is provided with a grip part 451 for user operation, which allows users to quickly disassemble and install the first guide plate 45 and the first filter screen 43. Users can complete the operation without the use of additional tools, further simplifying the disassembly and assembly process and making the operation more labor-saving for users.

[0044] Example 3

[0045] like Figure 5As shown, this embodiment provides a vacuum cleaner based on Embodiment 2, with the same structure. The first dust cup 4 further includes a second guide plate 46 and a third guide plate 47. One end of the first guide plate 45 is connected to the second guide plate 46, and the other end is connected to the third guide plate 47. The first guide plate 45, second guide plate 46, and third guide plate 47 are combined to more precisely control the airflow path. The connection of one end of the first guide plate 45 to the second guide plate 46 and the other end to the third guide plate 47 forms an integrated guide structure, enhancing the stability of the guide plates. Through the design of multi-stage guide plates, the airflow distribution is further optimized, allowing the airflow within the first dust cup 4 to stop. With a longer retention time, dust and impurities have more opportunities to be intercepted by the first filter screen 43, resulting in better filtration. The second guide plate 46 and the third guide plate 47 are symmetrically distributed, dividing the internal space of the first dust cup 4 into at least two independent flow channels, allowing the airflow to be evenly distributed and flow within the first dust cup 4, ensuring a smoother flow and reducing mutual interference between airflows. The first guide plate 45, the second guide plate 46, and the third guide plate 47 are integrally molded structures. This integral molding structure reduces airflow leakage and turbulence between the guide plates, optimizes the airflow path, reduces airflow resistance, reduces the risk of dust leakage, improves filtration efficiency, and enhances the overall structural stability of the guide plates.

[0046] More specifically, such as Figure 5 As shown, a first opening is formed between the second guide plate 46 and the third guide plate 47, facing the first air inlet 41. The first opening is directly opposite the first air inlet 41. The first guide plate 45, the second guide plate 46 and the third guide plate 47 form a frame structure that can intercept and contain dust and impurities. The gas drawn in by the first air inlet 41 is dispersed and intercepted by the first guide plate 45, the second guide plate 46 and the third guide plate 47, which prevents dust from accumulating at the first air outlet 42 in a short time and improves the gas discharge efficiency.

[0047] Example 4

[0048] like Figure 6As shown, this embodiment provides a vacuum cleaner based on Embodiment 3, with the same structure as Embodiment 3. One end of the second guide plate 46 is connected to the first guide plate 45, and the other end of the second guide plate 46 is provided with a first baffle 461 formed by bending towards the third guide plate 47. One end of the third guide plate 47 is connected to the first guide plate 45, and the other end of the third guide plate 47 is provided with a second baffle 471 formed by bending towards the second guide plate 46. The first baffle 461 and the second baffle 471 are on the same straight line. By setting the opposing first baffle 461 and second baffle 471, dust and impurities in the airflow can be effectively blocked, allowing dust and impurities to be intercepted within the frame structure formed by the first guide plate 45, the second guide plate 46, and the third guide plate 47, preventing them from directly entering the subsequent filtration system and improving filtration efficiency. The second baffle 471 and the first baffle 461 are on the same straight line, forming a symmetrical structure, ensuring uniform distribution of airflow between the guide plates, reducing airflow turbulence, and improving airflow stability.

[0049] This application is not limited to the above-described preferred embodiments. Anyone can derive other products in various forms under the guidance of this application. However, regardless of any changes made to their shape or structure, any technical solution that is the same as or similar to that of this application falls within the protection scope of this application.

Claims

1. A vacuum cleaner, characterized in that, The assembly includes a handle (1), a main unit (2), and a floor brush assembly (3) connected in sequence. The floor brush assembly (3) is detachably equipped with a first dust cup (4). The first dust cup (4) is provided with a first air inlet (41) and a first air outlet (42). The first air inlet (41) is connected to the suction port on the floor brush assembly (3). The main unit (2) is detachably equipped with a second dust cup (5). The second dust cup (5) is provided with a second air inlet and a second air outlet. The first air outlet (42) and the second air inlet are connected by a first connecting pipe (6).

2. A vacuum cleaner according to claim 1, characterized in that, The first dust cup (4) is equipped with a first filter screen (43), which is located near the first air outlet (42). The gas in the first dust cup (4) is filtered by the first filter screen (43) and then discharged through the first air outlet (42).

3. A vacuum cleaner according to claim 2, characterized in that, The first dust cup (4) is provided with a first mounting groove (44) that is adapted to the first filter screen (43), and the first filter screen (43) is detachably connected to the first mounting groove (44); the first filter screen (43) has an arc-shaped structure.

4. A vacuum cleaner according to claim 2, characterized in that, The first dust cup (4) is provided with a first guide plate (45), which is located between the first air inlet (41) and the first air outlet (42) to separate the first air inlet (41) and the first air outlet (42); the first guide plate (45) has an arc-shaped structure relative to the first air outlet (42).

5. A vacuum cleaner according to claim 4, characterized in that, The first dust cup (4) is further provided with a second guide plate (46) and a third guide plate (47). One end of the first guide plate (45) is connected to the second guide plate (46), and the other end of the first guide plate (45) is connected to the third guide plate (47). A first opening facing the first air inlet (41) is formed between the second guide plate (46) and the third guide plate (47). The first guide plate (45), the second guide plate (46) and the third guide plate (47) are integrally formed structures.

6. A vacuum cleaner according to claim 5, characterized in that, One end of the second guide plate (46) is connected to the first guide plate (45), and the other end of the second guide plate (46) is provided with a first baffle (461) formed by bending towards the third guide plate (47). One end of the third guide plate (47) is connected to the first guide plate (45), and the other end of the third guide plate (47) is provided with a second baffle (471) formed by bending towards the second guide plate (46). The first baffle (461) and the second baffle (471) are on the same straight line.

7. A vacuum cleaner according to claim 1, characterized in that, The floor brush assembly (3) is provided with a second mounting groove (31) for installing the first dust cup (4). The floor brush assembly (3) is provided with a locking mechanism and an unlocking switch (32). The floor brush assembly (3) limits the first dust cup (4) in the second mounting groove (31) through the locking mechanism. The floor brush assembly (3) releases the locking mechanism through the unlocking switch (32).

8. A vacuum cleaner according to claim 1 or 7, characterized in that, The first dust cup (4) includes a first housing (48) and a second housing (49). The first housing (48) is fitted over the second housing (49). One side of the first housing (48) is provided with a second opening (481) for the second housing (49) to be inserted laterally, and the other side of the second housing (49) is provided with a third opening (482) for the second housing (49) to be pushed out laterally.

9. A vacuum cleaner according to claim 8, characterized in that, The second housing (49) has a first sealing structure (491) adapted to the second opening (481) on one side and a second sealing structure (492) adapted to the third opening (482) on the other side. The second housing (49) is sealed to the second opening (481) through the first sealing structure (491) and to the third opening (482) through the second sealing structure (492).

10. A vacuum cleaner according to claim 8, characterized in that, The first housing (48) is a transparent housing; a handle (483) is provided on the top of the first housing (48).

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