Cyclone structure of dust cup of dust collector

By designing a cyclone structure for the dust cup of a vacuum cleaner, using a spiral air duct and air guide tube to separate dust, and combining it with a simplified locking structure, the problem of complex structure and difficult operation of the dust cup of a vacuum cleaner is solved, achieving efficient dust separation and easy disassembly and assembly.

CN224085226UActive Publication Date: 2026-04-07NINGBO DAMAN ELECTRIC CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-06
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

Existing vacuum cleaners have complex dust cup structures, poor suction performance, insufficient dust separation, and complicated installation and disassembly operations.

Method used

A cyclone structure for a vacuum cleaner dust cup has been designed, including an upper dust bin, a lower dust bin, and a cyclone cup. Dust and airflow are separated through a spiral air duct and a guide pipe. Combined with a dust bin locking block and a locking structure, the operation process is simplified.

Benefits of technology

It improves the separation effect of dust and airflow, simplifies the installation and disassembly process of the dust cup, and enhances the convenience and efficiency of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a dust cup cyclone structure of a dust collector. The dust cup cyclone structure comprises an upper dust barrel, an air inlet channel is arranged in the upper dust barrel, a cyclone cup is arranged on the upper dust barrel, a spiral air channel is arranged in the cyclone cup, the air inlet channel is communicated with the spiral air channel, an air guide pipe is arranged in the cyclone cup, and the air guide pipe is communicated with the spiral air channel; the lower dust barrel is hinged to the upper dust barrel, a sealing strip is installed between the lower dust barrel and the upper dust barrel, a cyclone notch is formed in the wall of the cyclone cup, the lower dust barrel is provided with a dust collection bin, and the cyclone cup is communicated with the dust collection bin through the cyclone notch; the dust barrel locking block is installed at the front end of the upper dust barrel, the front end of the lower dust barrel is provided with a dust barrel button, and the dust barrel button is connected and matched with the dust barrel locking block; the dust barrel lock catch is installed in the front end of the upper dust barrel, the dust barrel lock catch is provided with an unlocking button, the unlocking button is installed on the end face of the upper dust barrel, and the dust barrel lock catch can lock the lower dust barrel. The cyclone dust cup structure has the beneficial effects that the separation effect is improved, the operation is simple and convenient, and the use effect of the cyclone dust cup structure is improved.
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Description

Technical Field

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

[0002] A vacuum cleaner uses an electric motor to drive blades at high speed, creating negative air pressure within a sealed casing to suck up dust and other debris. The dust cup is the main component of the vacuum cleaner that separates dust from the air and collects it.

[0003] Existing vacuum cleaners have complex dust cup structures, resulting in poor air-dust separation and dust collection during vacuuming. Furthermore, they are complicated to install and disassemble, making operation difficult.

[0004] To address the aforementioned issues, the existing dust cup structure of vacuum cleaners has been improved to meet the requirements of the above-mentioned use. Utility Model Content

[0005] The present invention aims to overcome the shortcomings of the existing technology, such as poor dust separation effect and complicated installation and assembly operations, and provides a dust cup cyclone mechanism for vacuum cleaners that has a good dust separation effect and makes disassembly and assembly simple and convenient.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: a dust cup cyclone structure for a vacuum cleaner, comprising:

[0007] The upper dust bin has an air inlet channel inside, a cyclone cup in the middle of the upper dust bin, a spiral air passage inside the cyclone cup, the air inlet channel and the spiral air passage are connected, and an air guide pipe inside the cyclone cup is connected to the spiral air passage.

[0008] The lower dust bin is hinged to the upper dust bin, and a sealing strip is installed between the lower dust bin and the upper dust bin. The cyclone cup wall is provided with a cyclone notch, and the lower dust bin is provided with a dust collection chamber. The cyclone notch connects the cyclone cup and the dust collection chamber.

[0009] A dustbin locking block is installed at the front end of the upper dustbin, and a dustbin button is provided at the front end of the lower dustbin. The dustbin button is connected and matched with the dustbin locking block.

[0010] The dustbin latch is installed inside the front end of the upper dustbin and has an unlock button installed on the end face of the upper dustbin. The dustbin latch can lock the lower dustbin.

[0011] This vacuum cleaner's dust cup cyclone structure includes an upper dustbin and a lower dustbin, which are hinged together to form the main body of the dust cup. A sealing strip is installed at the connection point between the upper and lower dustbins to ensure a tight seal, resulting in a well-sealed dust cup and improved performance. An air intake channel is located inside the upper dustbin, with its opening on the end face. A cyclone cup is positioned in the middle of the upper dustbin, containing a spiral air passage connected to the cup body via a spiral inner plate. The air intake channel and the spiral air passage are interconnected. An air guide tube is also located inside the cyclone cup, coaxially arranged and connected to the spiral air passage. A dust collection chamber is located inside the lower dustbin, connected to the cyclone cup via a cyclone notch on its side wall. During vacuuming, air enters through the intake channel, flows through the spiral air passage into the cyclone cup, causing dust and particles to be centrifugal and enter the dust collection chamber of the lower dustbin through the cyclone opening. Within the dust collection chamber, the airflow swirls, reducing its velocity. This causes dust and particles to collide with the inner wall of the dust collection chamber and remain inside. The airflow then swirls again within the dust collection chamber before re-entering the cyclone cup and exiting through the air guide tube. This structure effectively retains dust and particles within the dust collection chamber, achieving the vacuuming effect. This design ensures excellent separation of dust and other impurities from the airflow during vacuuming, improving performance. Additionally, a dustbin locking block is located on the upper dustbin to secure it when installed on the vacuum cleaner. A dustbin button is located at the front of the lower dustbin, which is connected to the locking block. Pressing the button unlocks the dustbin, detaching it from the vacuum cleaner for easy emptying. Meanwhile, a dustbin lock is installed inside the front end of the upper dustbin. This dustbin lock has an unlock button installed on the end face of the upper dustbin. At the same time, the dustbin lock can lock the lower dustbin. When it is necessary to empty the dust in the lower dustbin, simply press the unlock button to open the lower dustbin and empty the dust. The operation is simple and convenient, and the effect is good.

[0012] Preferably, the air duct is connected to a separation cone, which has a conical structure and several separation holes on its sidewall. The conical structure of the separation cone reduces its impact on the spiral motion of the airflow. Furthermore, the separation holes on the sidewall of the separation cone filter the airflow exiting the cyclone cup through the air duct, preventing dust entering the cyclone cup from flowing out of the air duct and improving the overall performance.

[0013] Preferably, the upper dust bin has a mounting block on its rear outer side wall, and a hinge shaft is mounted on the mounting block. The lower dust bin has a hinge groove, and the mounting block is placed within the hinge groove. The hinge shaft is rotatably connected to the side wall of the hinge groove. Specifically, the hinge shaft, which passes through the mounting block, is mounted on the mounting block on the rear outer side wall of the upper dust bin. The hinge groove is located at the rear end of the outer side wall of the lower dust bin. During assembly, the mounting block is embedded into the hinge groove, and the hinge shaft is rotatably connected to the inner side wall of the hinge groove. This allows for a hinged installation of the upper and lower dust bins, facilitating subsequent cleaning of the dust collection bin and making operation simple and convenient.

[0014] Preferably, the front end face of the upper dustbin is provided with an installation groove, the front end of the dustbin locking block is provided with an installation clip, the side wall of the installation groove is provided with an installation slot, the installation clip engages with the installation slot, the rear end of the dustbin locking block is provided with a protrusion, the protrusion engages with the installation groove, and the side wall of the dustbin button is provided with a button pressing block, the button pressing block and the protrusion contact each other. The system features a mounting groove at the front end of the upper dustbin and a mounting slot on the inner wall of the mounting groove. A mounting shaft is also located at the front end of the dustbin lock block, fitting into the mounting slot to allow for rotational connection of the dustbin lock block. A protrusion engages with the mounting slot at the rear end of the dustbin lock, limiting the rotation angle of the lock. Additionally, a button pressing block is located on the side wall of the dustbin button, contacting the protrusion. To unlock the dustbin lock block, simply press down the button pressing block, disengaging the protrusion and detaching the dustbin lock block from the vacuum cleaner, making operation simple and convenient.

[0015] Preferably, the upper surface of the dustbin locking block is provided with a locking block for engaging with the vacuum cleaner. A locking spring is installed on the inner wall of the locking block, and the locking spring contacts the mounting groove. Specifically, the locking block on the upper surface of the dustbin locking block matches the locking groove on the vacuum cleaner, and the locking spring on the inner wall of the locking block contacts the inner bottom of the mounting groove. This structure allows for the elastic swinging of the locking block, thereby achieving the locking and engagement of the dustbin locking block with the vacuum cleaner, making operation convenient and simple.

[0016] Preferably, the lower dustbin has a front cover at its end, which snaps into the lower dustbin. The lower dustbin has a front cover groove, and the front cover has a clearance hole. The front cover groove and the clearance hole are coaxially arranged. The dustbin button is placed in the front cover groove, and its top end is fitted into the clearance hole. A button spring is located at the bottom of the front cover groove, and its top end is connected to the dustbin button. Specifically, the front cover at the end of the lower dustbin can snap onto the front end of the lower dustbin. The front cover has a groove for mounting the dustbin button, and the upper end of the dustbin button is installed in the clearance hole on the front cover. A button spring is installed at the bottom of the front cover groove, and its top end is connected to the dustbin button, allowing the dustbin button to be pressed elastically. This structure ensures that the dust cup, consisting of the upper and lower dustbins, can be quickly detached from the vacuum cleaner when the dustbin button is pressed, making operation simple and convenient.

[0017] Preferably, the lower end of the upper dustbin is provided with an upper cover hole, the upper cover hole is provided with a mounting base, an mounting end cover is installed in the upper cover hole, the mounting end cover is provided with two locking holes, the side wall of the dustbin locking buckle is provided with two locking pieces, the two ends of the dustbin locking buckle are provided with locking shafts, the locking shafts are rotatably connected to the mounting base, the locking pieces are placed in the locking holes, the upper surface of the lower dustbin is provided with a limit buckle, the locking pieces are matched and engaged with the limit buckle, the front end face of the upper dustbin is provided with an unlocking groove, and the unlocking button is placed in the unlocking groove. The upper dustbin has an upper cover hole on its lower end face. A mounting base, consisting of two block structures, is installed inside the upper cover hole. An installation end cap is inserted into the upper cover hole, and this end cap has two locking holes. A dustbin lock is installed in the upper cover hole, and locking shafts are installed at both ends of the lock. These shafts are rotatably connected to the mounting base, allowing the dustbin lock to rotate. A locking piece with a hook-shaped end is also provided on the dustbin lock, passing through the locking hole. A limiting buckle is provided on the upper surface of the lower dustbin, engaging and locking the locking piece. Pressing the unlock button rotates the dustbin lock, causing the locking piece to rotate within the locking hole, thus releasing the limiting buckle from the locking piece. This structure allows for quick separation of the lower and upper dustbins, enabling rapid cleaning of the dust collection chamber. It is simple, convenient, and improves the overall performance.

[0018] Preferably, the dustbin latch is equipped with a latch plate positioned between two latch pieces. A latch spring is installed on the latch plate, and the latch spring contacts the inner wall of the upper cover hole. The latch plate is located in the middle of the dustbin latch, positioned between the two latch pieces, and a latch spring is installed in the middle of the latch plate. This latch spring contacts the inner wall of the upper cover hole, allowing the dustbin latch to rotate elastically. Therefore, unlocking and closing the upper and lower dustbins is simple and convenient, improving usability.

[0019] The beneficial effects of this utility model are as follows: the cyclone cup, spiral air passage, air guide pipe, and separation cone structure inside the upper dust bin cooperate with the dust collection chamber in the lower dust bin. By changing the airflow direction, the airflow is made to swirl and reduce the flow velocity, leaving dust and particles in the airflow in the dust collection chamber. Under the action of the separation cone, the dust in the airflow is separated, improving the separation effect. In particular, the dust bin latch and dust bin locking block set in the upper and lower dust bins can unlock the dust cup cyclone structure from the vacuum cleaner and open the upper and lower dust bins, thus making the operation simple and convenient and improving the use effect of the cyclone dust cup structure. Attached Figure Description

[0020] Figure 1 This is a three-dimensional view of the present invention;

[0021] Figure 2 This is a sectional view of the present invention;

[0022] Figure 3 yes Figure 2 Enlarged view at point A in the middle;

[0023] Figure 4 This utility model features a three-dimensional view of the upper dustbin. Figure 1 ;

[0024] Figure 5 This utility model features a three-dimensional view of the upper dustbin. Figure 2 .

[0025] In the attached diagram: 1. Upper dustbin, 2. Lower dustbin, 3. Dustbin locking block, 4. Dustbin latch, 5. Cyclone cup, 6. Sealing strip, 7. Dustbin button, 8. Unlock button, 10. Air intake channel, 11. Mounting block, 12. Hinge shaft, 13. Mounting groove, 14. Mounting slot, 15. Upper end cover hole, 16. Mounting base, 17. Mounting end cover, 18. Locking hole, 19. Unlocking groove, 20. Hinge groove, 21. Mounting front cover, 22. Front cover groove, 23. Clearance hole, 24. Button spring, 25. Limiting latch, 26. Dust collection bin, 30. Mounting clip shaft, 31. Protrusion, 32. Snap-fit ​​block, 33. Snap-fit ​​spring, 40. Locking piece, 41. Locking shaft, 42. Locking plate, 43. 50. Locking spring; 51. Spiral air passage; 52. Air duct; 53. Separation cone; 54. Separation hole; 70. Cyclone notch; 71. Button pressure block. Detailed Implementation

[0026] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present application or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0027] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0028] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this application.

[0029] Example 1, such as Figure 1-5 As shown, a dust cup cyclone structure for a vacuum cleaner includes:

[0030] The upper dust bin 1 is provided with an air inlet channel 10, a cyclone cup 5 is provided in the middle of the upper dust bin 1, a spiral air passage 50 is provided inside the cyclone cup 5, the air inlet channel 10 is connected to the spiral air passage 50, and an air guide pipe 51 is provided inside the cyclone cup 5, which is connected to the spiral air passage 50.

[0031] The lower dust bin 2 is hinged to the upper dust bin 1. A sealing strip 6 is installed between the lower dust bin 2 and the upper dust bin 1. A cyclone notch 54 is provided on the side wall of the cyclone cup 5. A dust collection chamber 26 is provided in the lower dust bin 2. The cyclone notch 54 connects the cyclone cup 5 and the dust collection chamber 26.

[0032] Dustbin locking block 3 is installed at the front end of the upper dustbin 1, and a dustbin button 7 is provided at the front end of the lower dustbin 2. The dustbin button 7 is connected and matched with the dustbin locking block 3.

[0033] Dustbin lock 4 is installed inside the front end of the upper dustbin 1. The dustbin lock 4 is equipped with an unlock button 8, which is installed on the end face of the upper dustbin 1. The dustbin lock 4 can lock the lower dustbin 2.

[0034] The air duct 51 is connected to a separation cone 52, which is a cone-shaped structure and has several separation holes 53 on its side wall.

[0035] An installation block 11 is provided on the outer side wall of the rear end of the upper dust bin 1. A hinge shaft 12 is provided on the installation block 11. A hinge groove 20 is provided on the lower dust bin 2. The installation block 11 is placed in the hinge groove 20. The hinge shaft 12 is rotatably connected to the side wall of the hinge groove 20.

[0036] The front end of the upper dustbin 1 is provided with an installation groove 13, the front end of the dustbin locking block 3 is provided with an installation retaining shaft 30, the side wall of the installation groove 13 is provided with an installation retaining groove 14, the installation retaining shaft 30 is engaged with the installation retaining groove 14, the rear end of the dustbin locking block 3 is provided with a protrusion 31, the protrusion 31 is engaged with the installation groove 13, and the side wall of the dustbin button 7 is provided with a button pressing block 70, the button pressing block 70 is matched and contacted with the protrusion 31.

[0037] The upper surface of the dustbin locking block 3 is provided with a locking block 32 for engaging with the vacuum cleaner.

[0038] The lower dustbin 2 has a front cover 21 installed at its end, which is snapped into the lower dustbin 2. The front end of the lower dustbin 2 has a front cover groove 22, and the front cover 21 has a clearance hole 23. The front cover groove 22 and the clearance hole 23 are arranged coaxially. The dustbin button 7 is placed in the front cover groove 22 and the top of the dustbin button 7 is sleeved with the clearance hole 23. A button spring 24 is installed at the bottom of the front cover groove 22, and the top of the button spring 24 is connected to the dustbin button 7.

[0039] The upper dustbin 1 has an upper cover hole 15 at its lower end, and a mounting base 16 is provided inside the upper cover hole 15. An installation end cover 17 is installed inside the upper cover hole 15. The installation end cover 17 has two locking holes 18. The side wall of the dustbin locking buckle 4 has two locking pieces 40. The two ends of the dustbin locking buckle 4 have locking shafts 41. The locking shafts 41 are rotatably connected to the mounting base 16. The locking pieces 40 are placed in the locking holes 18. The upper surface of the lower dustbin 2 has a limit buckle 25. The locking pieces 40 are matched and engaged with the limit buckle 25. The front end face of the upper dustbin 1 has an unlocking groove 19. The unlocking button 8 is placed in the unlocking groove 19.

[0040] The dustbin latch 4 is provided with a latch plate 42, which is placed between two latch pieces 40. A latch spring 43 is installed on the latch plate 42, and the latch spring 43 is in contact with the inner wall of the upper cover hole 15.

[0041] The working principle of this utility model is as follows: Figure 1-5As shown, the dust cup cyclone structure of this vacuum cleaner includes an upper dust bin 1 and a lower dust bin 2. The upper dust bin 1 and the lower dust bin 2 are connected by a hinge to form the main body of the dust cup. A sealing strip 6 is installed at the connection between the upper dust bin 1 and the lower dust bin 2. The sealing strip 6 can play a sealing role. The dust cup body formed by splicing has good sealing performance and improves the use effect of the dust cup. The upper dustbin 1 has an air inlet channel 10 inside, with its opening located on the end face of the upper dustbin 1. A cyclone cup 5 is located in the middle of the upper dustbin 1, and a spiral air passage 50 is located inside the cyclone cup 5. The spiral air passage 50 is connected to the body of the cyclone cup 5 via a spiral inner plate, and the air inlet channel 10 and the spiral air passage 50 are interconnected. Additionally, an air guide pipe 51 is located inside the cyclone cup 5, coaxially arranged with the cyclone cup 5, and also interconnected with the spiral air passage 50. Furthermore, a dust collection chamber 26 is located inside the lower dustbin 2, and this dust collection chamber 26 is connected to the cyclone cup 5 via a cyclone notch 54 on its side wall. During vacuuming, air is drawn in through the air intake channel 10, enters the cyclone cup 5 through the spiral air passage 50, causing dust and particles to generate centrifugal force and enter the dust collection chamber 26 of the lower dust bin 2 through the cyclone notch 54. The airflow in the dust collection chamber 26 swirls, reducing the flow velocity. Under these conditions, dust and particles collide with the inner wall of the dust collection chamber 26 and remain inside. The airflow swirls again in the dust collection chamber 26 and re-enters the cyclone cup 5, flowing out through the air guide pipe 51. This structure allows dust and particles to remain in the dust collection chamber 26, achieving the vacuuming effect. This structure also ensures good separation of dust and other impurities from the airflow during vacuuming, improving the performance. Meanwhile, a dustbin locking block 3 is also provided on the upper dustbin 1, which serves to lock the dustbin when it is installed on the vacuum cleaner. A dustbin button 7 is provided at the front end of the lower dustbin 2, which is matched and connected to the dustbin locking block 3. By pressing the dustbin button 7, the dustbin locking block 3 can be unlocked, allowing the dustbin to be detached from the vacuum cleaner for easy cleaning of the dust inside. Additionally, a dustbin latch 4 is installed inside the front end of the upper dustbin 1, with an unlocking button 8 installed on the end face of the upper dustbin 1. This latch 4 can lock the lower dustbin 2. When it is necessary to empty the dust from the lower dustbin 2, simply press the unlocking button 8 to open the lower dustbin 2 and empty the dust. The operation is simple and convenient, and the effect is good.

[0042] A separation cone 52 is installed on the air duct 51. The separation cone 52 has a conical structure, which reduces the impact on the spiral motion of the airflow. At the same time, the side wall of the separation cone 52 is provided with several separation holes 53. The separation holes 53 can filter the airflow flowing out from the cyclone cup 5 through the air duct 51, preventing dust that has entered the cyclone cup 5 from flowing out of the air duct 51, thus improving the performance.

[0043] A hinge shaft 12 is installed on the mounting block 11 on the outer side wall of the rear end of the upper dust bin 1. The hinge shaft 12 passes through the mounting block 11. A hinge groove 20 is provided at the rear end of the outer side wall of the lower dust bin 2. During assembly, the mounting block 11 is embedded into the hinge groove 20, and the hinge shaft 12 is rotatably connected to the inner side wall of the hinge groove 20. This allows the upper dust bin 1 and the lower dust bin 2 to be hinged together, which facilitates the subsequent cleaning of the dust collection chamber 26 and makes the operation simple and convenient.

[0044] The dustbin 1 has an installation groove 13 at its front end and an installation slot 14 on its inner side wall. A mounting shaft 30 is also provided at the front end of the dustbin locking block 3, which is installed in the installation slot 14 to allow rotational connection of the dustbin locking block 3. A protrusion 31 is provided at the rear end of the dustbin lock 4, engaging with the installation slot 14. This structure limits the rotation angle of the dustbin lock 4. A button pressing block 70 is provided on the side wall of the dustbin button 7, contacting the protrusion 31. To unlock the dustbin locking block 3, simply press down the button pressing block 70 to press down the protrusion 31, thus disengaging the dustbin locking block 3 from the vacuum cleaner, making operation simple and convenient.

[0045] Among them, a snap-fit ​​block 32 is provided on the upper surface of the dustbin locking block 3. The snap-fit ​​block 32 is used to match the locking slot on the vacuum cleaner, so that the dustbin locking block 3 can be snapped and locked with the vacuum cleaner, making the operation convenient and simple.

[0046] The lower dustbin 2 has a front cover 21 installed at its end. The front cover 21 can be snapped onto the front end of the lower dustbin 2. The front cover 21 has a front cover groove 22 for installing the dustbin button 7. The upper end of the dustbin button 7 is installed in the clearance hole 23 provided in the front cover 21. A button spring 24 is installed at the bottom of the front cover groove 22. The top of the button spring 24 is connected to the dustbin button 7, so that the dustbin button 7 can be pressed elastically. This structure ensures that the dust cup composed of the upper and lower dustbins 2 can be quickly removed from the vacuum cleaner when the dustbin button 7 is pressed, making the operation simple and convenient.

[0047] The upper dustbin 1 has an upper cover hole 15 on its lower end face. A mounting base 16, composed of two block structures, is installed inside the upper cover hole 15. An installation end cap 17 is inserted into the upper cover hole 15. The installation end cap 17 has two locking holes. A dustbin lock 4 is installed inside the upper cover hole 15. Locking shafts 41 are installed at both ends of the dustbin lock 4, and these shafts 41 are rotatably connected to the mounting base 16, allowing the dustbin lock 4 to rotate. A locking piece 40 is also provided on the dustbin lock 4. The end of the locking piece 40 is hook-shaped and passes through the locking hole. At the same time, a limiting buckle 25 is provided on the upper surface of the lower dust bin 2. The limiting buckle 25 can engage and lock with the locking piece 40. When the unlocking button 8 is pressed, the dust bin locking buckle 4 can rotate, which in turn allows the locking piece 40 to rotate within the locking hole, thereby releasing the limiting buckle 25 from the locking piece 40. This structure can quickly separate the lower dust bin 2 from the upper dust bin 1, thereby quickly cleaning the dust in the dust collection chamber 26, making the operation simple and convenient, and improving the usage effect.

[0048] The dustbin latch 4 has a latch plate 42 in the middle, which is placed between two latch pieces 40. A latch spring 43 is installed in the middle of the latch plate 42. The latch spring 43 contacts the inner wall of the upper cover hole 15, so that the dustbin latch 4 can rotate elastically. Therefore, the dustbin latch 4 is simple and convenient to operate when unlocking the upper dustbin 1 and the lower dustbin 2, which can improve the use effect.

[0049] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A dust cup cyclone structure for a vacuum cleaner, characterized in that, include: The upper dust bin (1) is provided with an air inlet channel (10), and a cyclone cup (5) is provided in the middle of the upper dust bin (1). A spiral air passage (50) is provided inside the cyclone cup (5). The air inlet channel (10) is connected to the spiral air passage (50). A guide pipe (51) is provided inside the cyclone cup (5). The guide pipe (51) is connected to the spiral air passage (50). The lower dust bin (2) is hinged to the upper dust bin (1), and a sealing strip (6) is installed between the lower dust bin (2) and the upper dust bin (1). The cyclone cup (5) has a cyclone notch (54) on its side wall. The lower dust bin (2) has a dust collection chamber (26), and the cyclone notch (54) connects the cyclone cup (5) and the dust collection chamber (26). Dustbin locking block (3), the dustbin locking block (3) is installed at the front end of the upper dustbin (1), and the front end of the lower dustbin (2) is provided with a dustbin button (7), the dustbin button (7) is connected and matched with the dustbin locking block (3); Dustbin lock (4), the dustbin lock (4) is installed inside the front end of the upper dustbin (1), the dustbin lock (4) is provided with an unlock button (8), the unlock button (8) is installed on the end face of the upper dustbin (1), the dustbin lock (4) can lock the lower dustbin (2).

2. The dust cup cyclone structure of a vacuum cleaner according to claim 1, characterized in that, The air duct (51) is connected to a separation cone (52), which is a cone-shaped structure and has several separation holes (53) on its side wall.

3. The dust cup cyclone structure of a vacuum cleaner according to claim 1, characterized in that, The upper dust bin (1) has an installation block (11) on its rear outer side wall, and a hinge shaft (12) is provided on the installation block (11). The lower dust bin (2) has a hinge groove (20). The installation block (11) is placed in the hinge groove (20), and the hinge shaft (12) is rotatably connected to the side wall of the hinge groove (20).

4. The dust cup cyclone structure of a vacuum cleaner according to claim 1, characterized in that, The upper dustbin (1) has an installation groove (13) on its front end face, the dustbin locking block (3) has an installation clip (30) on its front end, the installation groove (13) has an installation slot (14) on its side wall, the installation clip (30) engages with the installation slot (14), the dustbin locking block (3) has a protrusion (31) on its rear end, the protrusion (31) engages with the installation groove (13), and the dustbin button (7) has a button pressing block (70) on its side wall, the button pressing block (70) and the protrusion (31) make matching contact.

5. The dust cup cyclone structure of a vacuum cleaner according to claim 4, characterized in that, The upper surface of the dustbin locking block (3) is provided with a locking block (32) for engaging with the vacuum cleaner. A locking spring (33) is installed on the inner wall of the locking block (32), and the locking spring (33) contacts the mounting groove (13).

6. The dust cup cyclone structure of a vacuum cleaner according to claim 1, characterized in that, The lower dustbin (2) is provided with a front cover (21) at its end. The front cover (21) is snapped into the lower dustbin (2). The front end of the lower dustbin (2) is provided with a front cover groove (22). The front cover (21) is provided with a clearance hole (23). The front cover groove (22) and the clearance hole (23) are arranged coaxially. The dustbin button (7) is placed in the front cover groove (22) and the top of the dustbin button (7) is sleeved with the clearance hole (23). A button spring (24) is provided at the bottom of the front cover groove (22). The top of the button spring (24) is connected to the dustbin button (7).

7. The dust cup cyclone structure of a vacuum cleaner according to claim 1, characterized in that, The upper dustbin (1) has an upper cover hole (15) at its lower end. An installation seat (16) is provided inside the upper cover hole (15). An installation end cover (17) is installed inside the upper cover hole (15). The installation end cover (17) has two locking holes (18). The side wall of the dustbin lock (4) has two locking pieces (40). The two ends of the dustbin lock (4) have locking shafts (41). The locking shafts (41) are rotatably connected to the installation seat (16). The locking pieces (40) are placed in the locking holes (18). The upper surface of the lower dustbin (2) has a limit buckle (25). The locking pieces (40) are matched and engaged with the limit buckle (25). The front end face of the upper dustbin (1) has an unlocking groove (19). The unlocking button (8) is placed in the unlocking groove (19).

8. The dust cup cyclone structure of a vacuum cleaner according to claim 7, characterized in that, The dustbin latch (4) is provided with a latch plate (42), which is placed between two latch pieces (40). A latch spring (43) is installed on the latch plate (42), and the latch spring (43) contacts the inner wall of the upper end cover hole (15).