Dust cup assembly and dust collector

Abstract

The dust cup assembly comprises a dust cup and a cyclone cylinder, the cyclone cylinder is arranged in the dust cup, a dust collection bin is formed between the cyclone cylinder and the dust cup, an air inlet and an ash discharge port are formed in the cyclone cylinder, the air inlet is located above the ash discharge port, the air inlet is communicated with the inlet, and the dust collection bin is communicated with the dust cup. The ash discharge port is communicated with the dust collection bin; the cyclone cone is installed at the position of the air outlet of the cyclone cylinder, and at least part of the cyclone cone is located in the cyclone cylinder; the first sealing piece is integrally formed and comprises a sealing part and a clamping part, the outer side of the cyclone cylinder is concaved inwards to form a sealing groove and a fixing groove, the sealing part is annularly arranged on the periphery of the air inlet and contained in the sealing groove, and the sealing part abuts against the inner wall of the dust cup; and the clamping part is clamped in the fixing groove. Through the special cyclone design, the dust-air separation effect of the dust collector is good, and a sealing piece is not prone to falling off.

Description

Technical Field

[0001] This utility model relates to the field of cleaning appliance technology, and in particular to a dust cup assembly and a vacuum cleaner. Background Technology

[0002] A vacuum cleaner is a cleaning appliance used to remove dust and debris from surfaces such as floors and carpets. Traditional bagged vacuum cleaners suffer from drawbacks such as clogged dust bags leading to reduced suction power and the need for regular dustbin replacements. Newer dust cup vacuum cleaners utilize cyclone separation to separate most of the dust into the dust cup, eliminating the need for a dust bag and offering advantages such as no need for dustbin replacements and sustained suction power.

[0003] However, the existing working principle of the cyclone separator in vacuum cleaners involves drawing in airflow mixed with dust from the bottom of the separator and blowing it out from the top. As it's blown out, the dust is thrown off by centrifugal force and falls downwards into the dust cup, while the airflow continues to rise, completing dust collection. However, some finer or lighter impurities, such as hair and lint, are difficult to fall smoothly under gravity, resulting in poor dust-air separation. Furthermore, to maintain stable suction within the cyclone separator, a seal is typically installed between the air inlet and the dust cup inlet. Existing seals are fixed in two ways: one is by injection molding, which is integrally formed with the cyclone separator, increasing costs and making replacement difficult; the other is simply stored in a sealing groove, which makes the seal prone to falling off during actual use and installation. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a dust cup assembly with good dust collection effect and a seal that is not easily dislodged.

[0005] This utility model is achieved through the following technical solution:

[0006] A dust cup assembly, comprising:

[0007] A dust cup, wherein an inlet is provided on the dust cup;

[0008] A cyclone separator is disposed inside the dust cup and forms a dust collection chamber between the cyclone separator and the dust cup. The cyclone separator has an air inlet and a dust outlet, with the air inlet located above the dust outlet. The air inlet is connected to the inlet, and the dust outlet is connected to the dust collection chamber.

[0009] A cyclone cone, wherein the cyclone cone is installed at the exhaust port of the cyclone cylinder and is at least partially located inside the cyclone cylinder;

[0010] The first sealing element is integrally formed and includes a sealing part and a snap-fit ​​part. The outer side of the cyclone tube is recessed to form a sealing groove and a fixing groove. The sealing part is arranged around the air inlet and accommodated in the sealing groove. The sealing part abuts against the inner wall of the dust cup. The snap-fit ​​part is snapped into the fixing groove.

[0011] Furthermore, the cyclone tube is provided with a protruding mounting rib, and the sealing groove is formed on the mounting rib.

[0012] Furthermore, the fixing groove is formed on the side wall of the mounting rib and communicates with the sealing groove.

[0013] Furthermore, the first sealing element also includes a connecting portion, one end of which is fixed to the sealing portion and the other end of which is fixed to the snap-fit ​​portion. A connecting groove connecting the sealing groove and the fixing groove is also formed on the side wall of the mounting rib, and the connecting portion is at least partially accommodated in the connecting groove.

[0014] Furthermore, the connecting portion is flexible and its wall thickness in the radial direction is less than that of the sealing portion and the snap-fit ​​portion. The connecting portion can deform around the connection between the connecting portion and the sealing portion, thereby driving the snap-fit ​​portion to rotate around the connection.

[0015] Furthermore, the sealing part is recessed with a groove, and when the snap-fit ​​part is snapped into the fixing groove, the connecting part is at least partially accommodated in the groove.

[0016] Furthermore, the snap-fit ​​portion has an inclined surface on the side facing the sidewall, which serves as a guide when the snap-fit ​​portion snaps into the fixing groove.

[0017] Furthermore, the sealing portion extends toward the dust cup and forms at least one sealing rib, which abuts against the inner wall of the dust cup.

[0018] Furthermore, the cyclone has a first part, and the air inlet is disposed on the first part. The first part is conical, and its diameter gradually decreases along the axial direction.

[0019] Furthermore, the fixing groove is located on the side of the first part with a smaller diameter.

[0020] Furthermore, the cyclone has a second part extending downward from the first part, and the ash discharge port is opened on the second side wall of the second part.

[0021] Furthermore, the second part is cylindrical.

[0022] Furthermore, a baffle is formed at the edge of the ash discharge port, and the baffle extends from the second side wall toward the outside of the cyclone.

[0023] Furthermore, the baffle includes a first guide rib. The first guide rib is L-shaped and perpendicular to the second sidewall.

[0024] Furthermore, the baffle includes a second guide rib connected to the first guide rib, and the second guide rib is arranged perpendicularly to the bottom wall of the cyclone.

[0025] Furthermore, the second part has a straight cylindrical part and an extension extending downward from the straight cylindrical part. The extension includes a tapered part and a screw-in part in the radial direction. The ash discharge port includes a first port and a second port that are interconnected. The first port is formed at the screw-in position of the screw-in part, and the second port is formed at the radial position of the tapered part.

[0026] Furthermore, the outer circle of the screw opening is concentric with the inner wall of the dust cup.

[0027] Furthermore, a support rib is formed on the cyclone, the support rib extending outward from the cyclone and abutting against the inner wall of the dust cup.

[0028] Furthermore, the dust cup has a narrow portion and a wide portion connected to each other, the diameter of the wide portion is larger than the diameter of the narrow portion, the inlet is disposed on the narrow portion, and the ash discharge port is located within the wide portion.

[0029] A vacuum cleaner comprising the dust cup assembly described in any of the preceding claims.

[0030] A vacuum cleaner includes a vacuum cleaner body and a dust cup assembled with the vacuum cleaner body, wherein the inlet of the dust cup is connected to the air intake of the vacuum cleaner body, characterized in that the vacuum cleaner further includes a first sealing member disposed between the vacuum cleaner body and the dust cup, the first sealing member being integrally formed and including a sealing part and a snap-fit ​​part, the vacuum cleaner body and / or the dust cup having a sealing groove and a fixing groove recessed therein, the sealing part being arranged around the inlet and accommodated in the sealing groove, and the snap-fit ​​part being snapped into the fixing groove.

[0031] Compared with existing technologies, the advantages of this utility model are:

[0032] 1. This utility model prevents the first sealing element from falling off during use and installation of the cyclone by providing a snap-fit ​​part on the first sealing element and a matching fixing groove on the cyclone.

[0033] 2. By designing the dust cup as a cylindrical shape that is narrower at the top and wider at the bottom, this utility model makes it difficult for dust falling into the bottom to rise and affect the dust-air separation effect.

[0034] 3. This utility model improves dust collection efficiency by setting up a cyclone and opening a dust discharge port on the side wall of the cyclone, so that the dust rotating inside the cyclone can be thrown out of the dust discharge port under the action of centrifugal force.

[0035] 4. This utility model sets the cyclone tube into upper and lower parts, with the first part being conical to facilitate dust falling, and the second part having a conical part and a screw part. The dust discharge port is opened at the junction of the radial direction of the conical part and the screw direction of the screw part, which increases the dust movement path and avoids the dust from directly impacting the inner wall of the dust cup, preventing the dust from rebounding back into the cyclone tube and improving the dust-air separation effect.

[0036] 5. This utility model provides a sealing part, a connecting part, and a snap-fit ​​part on the first sealing element. At the same time, the wall thickness of the connecting part is smaller than that of the other two parts, which makes it more flexible. This allows the snap-fit ​​part to rotate around the connection between the connecting part and the sealing part during installation, so as to be more conveniently installed in the fixed groove. Attached Figure Description

[0037] Figure 1 This is a schematic diagram of the structure of a dust cup assembly according to an embodiment of the present invention;

[0038] Figure 2 This is a partial structural schematic diagram of a dust cup assembly according to an embodiment of the present invention;

[0039] Figure 3 This is a partial exploded view of a dust cup assembly according to an embodiment of the present invention;

[0040] Figure 4 This is an exploded view of another part of the dust cup assembly according to an embodiment of the present invention;

[0041] Figure 5 This is a cross-sectional view of a dust cup assembly according to an embodiment of the present invention;

[0042] Figure 6 This is a schematic diagram of the structure of a cyclone tube according to another embodiment of the present invention;

[0043] Figure 7 This is a schematic diagram of the assembly of the cyclone and dust cup according to another embodiment of the present invention;

[0044] Figure 8 This is a schematic diagram of the assembly of the cyclone and the first sealing element according to an embodiment of the present invention;

[0045] Figure 9 This is a schematic diagram of the structure of a cyclone tube according to an embodiment of the present invention;

[0046] Figure 10 This is a schematic diagram of the first sealing element in the installed state according to an embodiment of the present invention;

[0047] Figure 11 This is a schematic diagram of the structure of the first sealing member in the uninstalled state according to an embodiment of the present invention;

[0048] Figure 12 This is a cross-sectional view of the first sealing element according to an embodiment of the present invention;

[0049] Figure 13 for Figure 12 Enlarged view of section A in the middle;

[0050] Figure 14 A cross-sectional view of the vacuum cleaner provided by this utility model;

[0051] Figure 15 This is a partial exploded view of the vacuum cleaner provided by this utility model.

[0052] Labeling Explanation: 1. Dust Cup; 1a. Inner Wall; 10. Inlet; 11. Outlet; 12. Narrow Section; 13. Wide Section; 14. Dust Collection Bin; 15. Release Port; 16. Dust Cup Cover; 2. Cyclone; 2b. Bottom Wall; 20. Air Inlet; 21. Ash Discharge Port; 22. Air Outlet; 23a. Cyclone Chamber; 23b. Air Outlet Chamber; 24. First Section; 25. Second Section; 25a. Second Side Wall; 251. Straight Section; 252. Extension Section; 252a. Conical Section; 252b. Screw-in Section; 26. Mounting Rib; 260. Side Wall; 26a. Sealing Groove; 26 b. Fixing groove; 26c. Connecting groove; 27. Baffle; 271. First guide rib; 272. Second guide rib; 28. Support rib; 3. Cyclone cone; 30. Cone part; 31. Mounting part; 4. Filter element; 40. Sponge; 41. HEPA filter; 5. First sealing element; 50. Snap-fit ​​part; 500. Bevel; 51. Sealing part; 510. Sealing rib; 52. Connecting part; 520. Groove; 6. Second sealing element; X. Spiral direction; Y. Arc direction; 7. Vacuum cleaner body; 70. Air inlet; 71. Suction rod; 72. Electric fan; 73. Locking buckle. Detailed Implementation

[0053] The following detailed, non-limiting description of the utility model's technical solution, in conjunction with preferred embodiments and accompanying drawings, is provided. In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. 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 indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0054] like Figures 1 to 3 ,as well as Figure 15 The dust cup assembly shown in this embodiment of the present invention is used for filtration and dust collection in a vacuum cleaner. It includes a dust cup 1, a cyclone drum 2, a cyclone cone 3, and a filter element 4. The filter element 4, cyclone cone 3, and cyclone drum 2 are arranged vertically in sequence and are all disposed within the dust cup 1. The dust cup 1 is detachably mounted on the vacuum cleaner body 7. It can be removed or mounted on the vacuum cleaner body 7 by pressing the buttons at both ends of the locking buckle 73. The dust cup 1 has an inlet 10, an outlet 11, and a release port 15. A pressable dust cup cover 16 is installed at the release port 15, allowing the user to open the dust cup cover 16 for easy cleaning. This is prior art and will not be described in detail here. After the dust cup 1 is installed with the vacuum cleaner body 7, the inlet 10 connects to the suction port 70 on the vacuum cleaner's suction rod 7, and the outlet 11 connects to the vacuum cleaner's electric fan 72 to achieve airflow circulation.

[0055] Key reference Figure 1 , Figure 5The dust cup 1 is generally cylindrical and has a narrow section 12 and a wide section 13 connected vertically. The diameter of the wide section 13 is larger than the diameter of the narrow section 12. A cyclone separator 2 is located inside the dust cup 1, forming a dust collection chamber 14 between them. The cyclone separator 2 has an air inlet 20 and a dust outlet 21, with the air inlet 20 located above the dust outlet 21. The air inlet 20 is connected to the air inlet 20, and the dust outlet 21 is connected to the dust collection chamber 14. This allows dust to enter the cyclone separator 2 from the outside through the air inlet 20 with the airflow. After being separated by the cyclone separator 2, the dust is thrown out from the dust outlet 21 and enters the dust collection chamber 14. Most of the dust collection chamber 14 is located within the wide section 13. Because the diameter of the wide section 13 is larger than the diameter of the narrow section 12, a drop is created inside the dust cup 1, making it less likely for the dust collected in the dust collection chamber 14 to rise, thereby reducing the risk of clogging and improving the dust collection efficiency.

[0056] Furthermore, the cyclone cone 3 is installed at the exhaust port 22 of the cyclone cylinder 2, and is at least partially located inside the cyclone cylinder 2. Specifically, the cyclone cone 3 has a cone portion 30, which is a hollow cone structure and has a breathable filtration effect. The cone portion 30 is set inside the cyclone cylinder 2, dividing the inner cavity of the cyclone cylinder 2 into a cyclone chamber 23a and an exhaust chamber 23b. The air inlet 20 and the dust discharge port 21 are both connected to the cyclone chamber 23a, and the exhaust chamber 23b is connected to the outlet 11. When dust enters the cyclone cylinder 2 from the air inlet 20 with the airflow, it first enters the cyclone chamber 23a. The airflow carries the dust and rotates spirally in the cyclone chamber 23a. During this process, the airflow is drawn into the exhaust chamber 23b from the cone portion 30 and discharged from the outlet 11. Under the action of centripetal force, gravity, and friction with the inner wall 1a of the cyclone cylinder 2, the dust moves downward along the spiral direction X, and is finally thrown out from the dust discharge port 21 and enters the dust collection chamber 14, completing the dust collection.

[0057] Optionally, the cyclone cone 3 also has a mounting portion 31 extending upward from the cone portion 30. The mounting portion 31 has multiple locking blocks evenly arranged around its axis, which can engage with slots inside the cyclone tube 2 to fix the cyclone cone 3 onto the cyclone tube 2. Similarly, the filter element 4 also has multiple locking blocks evenly arranged around its axis, which can engage with slots inside the mounting portion 31 to fix the filter element 4 inside the cyclone cone 3, saving installation space and facilitating miniaturization of the dust cup assembly.

[0058] In addition, the filter element 4 includes HEPA filter 41 and sponge 40. The sponge 40 is disposed between HEPA filter 41 and cyclone cone 3, so that the dust cup assembly has three layers of filtration, which are progressively improved, resulting in good airflow filtration effect.

[0059] Optionally, the dust cup assembly also includes a second seal 6, which is disposed between the mounting part 31 and the cyclone cone 2, so that the mounting part 31 and the cyclone cone 3 are tightly connected, preventing the airflow from the air outlet 26b from being discharged without the filter 4, thereby improving the gas filtration effect and avoiding affecting the electric fan 72 inside the vacuum cleaner.

[0060] Key reference Figure 3 , Figure 9 as well as Figure 10 To prevent dust and airflow from directly entering the dust collection chamber 14 after passing through the inlet 10 of the dust cup 1, a first sealing element 5 is also provided on the cyclone 2. Specifically, the first sealing element 5 is integrally formed and includes a sealing part 51 and a snap-fit ​​part 50. A sealing groove 26a and a fixing groove 26b are formed inward on the outer side of the cyclone 2. The sealing part 51 is arranged around the air inlet 20 and is accommodated in the sealing groove 26a. The sealing part 51 abuts against the inner wall 1a of the dust cup 1, and the snap-fit ​​part 50 is snapped into the fixing groove 26b. The snap-fit ​​part 50 and the fixing groove 26b can prevent the first sealing element 5 from falling off during use and installation of the cyclone 2, thereby improving the performance of the dust cup 1.

[0061] Optionally, the cyclone 2 is provided with a mounting rib 26, on which a sealing groove 26a is formed. A fixing groove 26b is formed on the side wall 260 of the mounting rib 26 and communicates with the sealing groove 26a. Furthermore, the first sealing member 5 also includes a connecting portion 52, one end of which is fixed to the sealing portion 51 and the other end to the snap-fit ​​portion 50. A connecting groove 26c connecting the sealing groove 26a and the fixing groove 26b is also formed on the side wall 260 of the mounting rib 26, and the connecting portion 52 is at least partially accommodated within the connecting groove 26c. In this embodiment, the length of the snap-fit ​​portion 50 in the vertical direction is greater than the length of the connecting portion 52, causing the upper and lower sides of the snap-fit ​​portion 50 to protrude from the connecting portion 52, thus achieving a fixing effect. The fixing groove 26b is provided on the side wall 260, so that the forces on the snap-fit ​​portion 50 and the sealing portion 51 are different in the radial direction. When the sealing portion 51 is about to fall off, it is restrained by the snap-fit ​​portion 50 and cannot fall off.

[0062] Key reference Figures 11 to 13 The first sealing element 5 is made of a flexible material, specifically rubber, which provides good sealing performance. Furthermore, when the first sealing element 5 is not installed on the cyclone 2, the sealing part 51 and the snap-fit ​​part 50 are approximately in the same plane. When the first sealing element 5 needs to be installed on the cyclone 2, the user can first install the sealing part 51 in the sealing groove 26a, and then rotate the snap-fit ​​part 50 to snap into the fixing groove 26b.

[0063] Specifically, the wall thickness of the connecting part 52 in the radial direction is less than that of the sealing part 51 and the snap-fit ​​part 50. The smaller wall thickness makes it more flexible, which allows the connecting part 52 to deform around the connection between the connecting part 52 and the sealing part 51, thereby driving the snap-fit ​​part 50 to rotate around the connection.

[0064] Furthermore, when the snap-fit ​​part 50 snaps into the fixing groove 26b, in order to prevent the connecting part 52 from abutting against the sealing part 51 and protruding beyond the mounting rib 26, the sealing part 51 is also recessed with a groove 520. When the snap-fit ​​part 50 snaps into the fixing groove 26b, the connecting part 52 can be at least partially accommodated in the groove 520, thereby reducing the risk of the first seal 5 falling off.

[0065] In addition, a bevel 500 is formed on the side of the snap-fit ​​part 50 facing the side wall 260. During the process of the snap-fit ​​part 50 rotating to snap into the fixing groove 26b, the bevel 500 can guide the snap-fit ​​part 50, so that it can be installed better.

[0066] Reference Figure 10 In this embodiment, the sealing portion 51 extends toward the dust cup 1 and forms at least one sealing rib 510. The sealing rib 510 abuts against the inner wall 1a of the dust cup 1, thereby improving the sealing effect. In this embodiment, only one sealing rib 510 is provided. It is understood that in other alternative embodiments, multiple sealing ribs 510 arranged radially at uniform intervals may be provided to further improve the sealing effect.

[0067] In another optional embodiment, the sealing part 51 extends toward the dust cup 1 and forms at least one sealing lip. Compared with the sealing rib, the sealing lip has a better sealing effect. However, since the installation method of the cyclone 2 is prone to causing the sealing lip to curl up, it will not be described in detail here.

[0068] In addition, refer to Figure 4 The cyclone separator 2 has a first part 24 and a second part 25 extending downward from the first part 24. An air inlet 20 is located on the first part 24, which is conical and gradually narrows in diameter along the axial direction, making it easier for dust to fall downwards during rotation. An air outlet 21 is located on the second sidewall 25a of the second part 25, making it easier for dust to be ejected during rotation.

[0069] It is worth noting that, since the air inlet 20 is located on the first part 24, the aforementioned mounting rib 26 is also located on the first part 24 to surround the air inlet 20. Therefore, along the axial direction, the thickness of the mounting rib 26 increases as the diameter of the first part 24 gradually decreases. The aforementioned fixing groove 26b is located on the side of the first part 24 with a smaller diameter, that is, on the side where the mounting rib 26 is thicker, making the fixing groove 26b larger and more secure, further preventing the first seal 5 from falling off.

[0070] In addition, refer to Figure 14 In this embodiment, a first sealing element 5 is also provided between the vacuum cleaner body 7 and the dust cup 1 to seal between them, preventing gaps from forming between the suction port 70 and the inlet 10, which would reduce the suction force inside the suction rod 71. Specifically, a mounting rib 26 is also provided on the side of the suction rod 71 near the dust cup 1. This mounting rib 26 is also recessed to form a sealing groove 26a and a fixing groove 26b. The sealing part 51 of the first sealing element 5 is arranged around the inlet 10 and the suction port 70 and is accommodated in the sealing groove 26a. The snap-fit ​​part 50 snaps into the fixing groove 26b to ensure that the first sealing element 5 will not fall off during the installation, disassembly, and use of the dust cup 1 and the vacuum cleaner body 7.

[0071] It is understood that, in another alternative embodiment, the dust cup 1 may have the aforementioned mounting rib 26 protruding from its outer side, and the mounting rib 26 may have the aforementioned sealing groove 26a and fixing groove 26b recessed within it, which can also achieve the effect of fixing the first sealing member 5.

[0072] Optional, refer to Figure 8 The cyclone 2 also has supporting ribs 28, which extend outward from the cyclone 2 and abut against the inner wall 1a of the dust cup 1. This makes the cyclone 2 more firmly fixed and prevents it from shaking due to airflow during use, thus affecting the dust collection effect.

[0073] Reference Figure 4 This is one embodiment of the cyclone 2 provided by the present invention. In this embodiment, the second part 25 is cylindrical, and a baffle 27 is formed on the edge of the ash discharge port 21. The baffle 27 extends from the second side wall 25a to the outside of the cyclone 2 to prevent dust from flowing back into the cyclone 2 and affecting the cyclone separation effect.

[0074] Specifically, the baffle 27 includes a first guide rib 271 and a second guide rib 272 connected to the first guide rib 271. The first guide rib 271 is L-shaped and perpendicular to the second side wall 25a, and the second guide rib 272 is perpendicular to the bottom wall 2b of the cyclone 2. This arrangement ensures that dust is discharged from the ash discharge port 21 without obstruction, making it easier for the dust to be discharged.

[0075] Reference Figure 6 This is another embodiment of the cyclone 2 provided by the present invention. In this embodiment, the second part 25 has a straight cylindrical part 251 and an extension part 252 extending downward from the straight cylindrical part 251. The extension part 252 includes a conical part 252a and a screw part 252b in the radial direction. The ash discharge port 21 includes a first port and a second port that are interconnected. The first port is formed at the screw position of the screw part 252b, and the second port is formed at the radial position of the conical part 252a, thereby increasing the area of ​​the ash discharge port 21, avoiding large particles from clogging, and preventing dust from hanging on the edge of the ash discharge port 21. At the same time, the outer circle of the screw part 252b is concentric with the inner wall 1a of the dust cup 1. This utility model features a tapered portion 252a that tapers inward into the cyclone 2, which increases the space between the ash discharge port 21 and the inner wall 1a of the dust cup 1, reducing dust accumulation at the ash discharge port and enhancing the dust collection effect. The screw portion 252b allows dust to be discharged in an arc-shaped Y direction from the cyclone 2, preventing straight-line dust from hitting the inner wall 1a of the dust cup 1 and bouncing back into the cyclone 2, thus preventing it from falling into the dust collection bin 14 and improving the dust collection effect.

[0076] When the dust cup assembly in this embodiment is working, the airflow enters from the inlet 10 on the dust cup 1 and exits from the outlet 11 at the top. In the vacuum cleaner, the inlet 10 is connected to the suction port 70 on the suction rod 71, and the outlet 11 is connected to the electric fan 72. When the airflow flows into the cyclone 2, the dust enters the cyclone 2 from the air inlet 20 with the airflow. First, it enters the cyclone chamber 23a. The airflow carries the dust and rotates in a spiral within the cyclone chamber 23a. During this process, the airflow is drawn into the exhaust chamber 23b from the cone 30. Then, after passing through two layers of filtration by the filter element 4, it is discharged from the outlet 11. Under the action of centripetal force, gravity, and friction between the dust and the inner wall 1a of the cyclone 2, the dust moves downward along the spiral direction X and is finally thrown out from the dust discharge port 21 and enters the dust collection chamber 14, completing the cyclone separation of airflow and dust and dust collection.

[0077] The vacuum cleaner according to the embodiment of this utility model includes the dust cup assembly described above. The dust cup assembly ensures the suction power of the vacuum cleaner and improves the dust-air separation efficiency.

[0078] The above embodiments only illustrate several implementation methods of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A dust cup assembly, characterized in that, include: Dust cup (1), the dust cup (1) is provided with an inlet (10); Cyclone (2), the cyclone (2) is located inside the dust cup (1) and a dust collection chamber (14) is formed between the cyclone (2) and the dust cup (1). The cyclone (2) is provided with an air inlet (20) and a dust discharge port (21). The air inlet (20) is located above the dust discharge port (21). The air inlet (20) is connected to the inlet (10). The dust discharge port (21) is connected to the dust collection chamber (14). Cyclone cone (3), the cyclone cone (3) is installed at the exhaust port (22) of the cyclone tube (2) and is at least partially located inside the cyclone tube (2); The first sealing element (5) is integrally formed and includes a sealing part (51) and a snap-fit ​​part (50). The outer side of the cyclone (2) is recessed to form a sealing groove (26a) and a fixing groove (26b). The sealing part (51) is arranged around the air inlet (20) and accommodated in the sealing groove (26a). The sealing part (51) abuts against the inner wall (1a) of the dust cup (1). The snap-fit ​​part (50) is snapped into the fixing groove (26b).

2. The dust cup assembly of claim 1, wherein, The cyclone tube (2) is provided with a mounting rib (26), and the mounting rib (26) has a sealing groove (26a).

3. The dust cup assembly of claim 2, wherein, The fixing groove (26b) is formed on the side wall (260) of the mounting rib (26) and communicates with the sealing groove (26a).

4. The dust cup assembly of claim 3, wherein, The first sealing element (5) further includes a connecting part (52), one end of which is fixed to the sealing part (51) and the other end is fixed to the snap-fit ​​part (50). A connecting groove (26c) connecting the sealing groove (26a) and the fixing groove (26b) is also formed on the side wall (260) of the mounting rib (26). The connecting part (52) is at least partially accommodated in the connecting groove (26c).

5. The dust cup assembly of claim 4, wherein, The connecting part (52) is flexible and its wall thickness in the radial direction is less than that of the sealing part (51) and the snap-fit ​​part (50). The connecting part (52) can deform around the connection between the connecting part (52) and the sealing part (51), thereby driving the snap-fit ​​part (50) to rotate around the connection.

6. The dust cup assembly of claim 5, wherein, The sealing part (51) is recessed with a groove (520). When the snap-fit ​​part (50) is snapped into the fixing groove (26b), the connecting part (52) is at least partially accommodated in the groove (520).

7. The dust cup assembly of claim 5, wherein, The snap-fit ​​part (50) has a bevel (500) on the side facing the side wall (260) for guiding the snap-fit ​​part (50) when it engages with the fixing groove (26b).

8. The dust cup assembly of claim 1, wherein, The sealing part (51) extends toward the dust cup (1) and forms at least one sealing rib (510), the sealing rib (510) abutting against the inner wall (1a) of the dust cup (1).

9. The dust cup assembly of claim 3, wherein, The cyclone (2) has a first part (24), and the air inlet (20) is disposed on the first part (24). The first part (24) is conical, and the diameter of the first part (24) gradually decreases along the axial direction.

10. The dust cup assembly of claim 9, wherein, The fixing groove (26b) is located on the side with the smaller diameter of the first part (24).

11. The dust cup assembly according to claim 9, characterized in that, The cyclone (2) has a second part (25) extending downward from the first part (24), and the ash discharge port (21) is opened on the second side wall (25a) of the second part (25).

12. The dust cup assembly of claim 11, wherein, The second part (25) is cylindrical.

13. The dust cup assembly of claim 12, wherein, A baffle (27) is formed on the edge of the ash discharge port (21), and the baffle (27) extends from the second side wall (25a) to the outside of the cyclone (2).

14. The dust cup assembly of claim 13, wherein, The baffle (27) includes a first guide rib (271), which is L-shaped and perpendicular to the second sidewall (25a).

15. The dust cup assembly of claim 14, wherein, The baffle (27) includes a second guide rib (272) connected to the first guide rib (271), and the second guide rib (272) is arranged perpendicularly to the bottom wall (2b) of the cyclone (2).

16. The dust cup assembly of claim 11, wherein, The second part (25) has a straight cylindrical part (251) and an extension part (252) extending downward from the straight cylindrical part (251). The extension part (252) includes a conical part (252a) and a screw part (252b) in the radial direction. The ash discharge port (21) includes a first port and a second port that are interconnected. The first port is formed at the screw position of the screw part (252b), and the second port is formed at the radial position of the conical part (252a).

17. The dust cup assembly of claim 16, wherein, The outer circle of the screw opening (252b) and the inner wall (1a) of the dust cup (1) are concentric.

18. The dust cup assembly of claim 1, wherein, A support rib (28) is also formed on the cyclone (2), the support rib (28) extends outward from the cyclone (2) and abuts against the inner wall (1a) of the dust cup (1).

19. The dust cup assembly of claim 1, wherein, The dust cup (1) has a narrow portion (12) and a wide portion (13) connected to each other. The diameter of the wide portion (13) is larger than the diameter of the narrow portion (12). The inlet (10) is disposed on the narrow portion (12), and the ash discharge port (21) is located inside the wide portion (13).

20. A vacuum cleaner comprising: Includes the dust cup assembly according to any one of claims 1-19.

21. A vacuum cleaner, comprising a vacuum cleaner body (7) and a dust cup (1) assembled with the vacuum cleaner body (7), wherein the inlet (10) of the dust cup (1) is connected to the air intake (70) of the vacuum cleaner body (7), characterized in that, The vacuum cleaner also includes a first sealing member (5) disposed between the vacuum cleaner body (7) and the dust cup (1). The first sealing member (5) is integrally formed and includes a sealing part (51) and a snap-fit ​​part (50). The vacuum cleaner body (7) and / or the dust cup (1) are recessed to form a sealing groove (26a) and a fixing groove (26b). The sealing part (51) is arranged around the inlet (10) and accommodated in the sealing groove (26a). The snap-fit ​​part (50) is snapped into the fixing groove (26b).

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