Stable-positioning dust collector filter assembly

Abstract

The utility model discloses a dust collector filter assembly with stable positioning, which comprises a cyclone cone provided with a filter screen and a plurality of first air holes; the HEPA frame is arranged at one end of the cyclone cone, a mounting cavity is formed in the HEPA frame, and a second air hole is formed in the position, corresponding to the first air hole, of the bottom of the mounting cavity; the fixing frame comprises an inner fixing frame and an outer fixing frame, the outer fixing frame is arranged in the mounting cavity, the inner fixing frame is arranged in the outer fixing frame, and a plurality of limiting blocks are arranged in the inner fixing frame; the HEPA comprises a first HEPA unit and a second HEPA unit, the first HEPA unit is arranged between the HEPA frame and the outer fixing frame, the second HEPA unit is arranged in the inner fixing frame, and the bottom of the limiting block abuts against the surface of the second HEPA unit. Compared with the prior art, the problems that the filtering effect is poor and the use experience of a user is influenced due to the fact that a gap is easily formed between the HEPA and the cyclone cone due to looseness can be solved.

Description

Technical Field

[0001] The utility model belongs to the field of cleaning appliances, and in particular relates to a vacuum cleaner filter assembly with stable positioning. Background Art

[0002] Vacuum cleaners are becoming more and more popular and are also essential tools for cleaning the environment. After long-term use, the filter element of the vacuum cleaner will be seriously worn out and needs to be cleaned or replaced frequently. If it is used for a long time without cleaning, it will affect the dust collection effect and damage the vacuum cleaner motor.

[0003] The handheld vacuum cleaner is equipped with an air inlet and exhaust port, and a built-in suction component to realize the dust collection work. Generally, a filter component is provided at the air inlet, and the dirt is separated and stored in the dust cup through the filter component. However, during the suction process, the filter component consists of a cyclone cone and a HEPA, but the HEPA is installed at one end of the cyclone cone through the HEPA frame. However, the gap between the HEPA and the cyclone cone is easy to loosen, resulting in poor filtering effect and affecting the user experience. Utility Model Content

[0004] The purpose of the utility model is to provide a vacuum cleaner filter assembly with stable positioning in order to solve the problem that a gap may easily form between the HEPA and the cyclone cone, resulting in poor filtering effect and affecting the user experience.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solution: a vacuum cleaner filter assembly with stable positioning, comprising:

[0006] A cyclone cone, wherein a filter screen is provided on the cyclone cone, and a plurality of first air holes are provided on the cyclone cone;

[0007] A Hypa frame, the Hypa frame is arranged at one end of the cyclone cone, a mounting cavity is arranged in the Hypa frame, and a second air hole is arranged at the bottom of the mounting cavity at a position corresponding to the first air hole;

[0008] A fixing frame, the fixing frame includes an inner fixing frame and an outer fixing frame, the outer fixing frame is built into the mounting cavity, the inner fixing frame is built into the outer fixing frame, and a plurality of limit blocks are provided in the inner fixing frame;

[0009] The HEPA comprises a first HEPA unit and a second HEPA unit. The first HEPA unit is arranged between the HEPA frame and the external fixator, the second HEPA unit is built into the internal fixator, and the bottom of the limit block is against the surface of the second HEPA unit.

[0010] As a further description of the above technical solution:

[0011] The position of the HEPA frame corresponding to the second air hole is provided with a plug-in column, and the plug-in column is plugged into the first air hole. The plug-in column is a hollow column with openings at both ends.

[0012] As a further description of the above technical solution:

[0013] A plurality of slots are provided on the side wall of the installation cavity, and a plurality of clamping blocks are provided on the external fixing frame. The clamping blocks are clamped in the slots.

[0014] As a further description of the above technical solution:

[0015] A first retaining ring is provided at the bottom of the outer fixing frame, and the first retaining ring abuts against the first HEPA unit. A second retaining ring is provided at the bottom of the inner fixing frame, and the bottom of the second retaining ring abuts against the first retaining ring.

[0016] As a further description of the above technical solution:

[0017] The outer surface of the Hypa frame is provided with a spiral air duct.

[0018] As a further description of the above technical solution:

[0019] A bottom plate is provided at one end of the cyclone cone away from the Hypa frame, and a plurality of first connecting columns are provided on the bottom plate. The first connecting columns are provided with slots, and the second connecting columns on the cyclone cone are inserted into the slots.

[0020] As a further description of the above technical solution:

[0021] An annular cover is provided at one end of the bottom plate, and a dust collecting pipe is provided at one end of the annular cover.

[0022] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0023] 1. In the utility model, the plug-in column on the HEPA frame is plugged into the first air hole of the cyclone cone, which can make the connection between the HEPA frame and the cyclone cone more stable, avoid dust from flowing out of the gap between the HEPA frame and the cyclone cone, and improve the sealing effect. The cyclone cone is fixed by the HEPA frame and the bottom plate, and the bottom plate and the HEPA frame are plugged and fixed by the first connecting column and the second connecting column, so the cyclone cone is firmly and conveniently fixed.

[0024] 2. In the utility model, an internal fixing frame and an external fixing frame are arranged in the HEPA frame, so that the first HEPA unit and the second HEPA unit can be fixed in two layers, thereby improving the filtering effect. At the same time, the external fixing frame is fixed by a clip-on method, which is convenient for assembly. The internal fixing frame is plugged into the external fixing frame, which can facilitate the fixing and disassembly of the first HEPA unit and the second HEPA unit. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0026] Figure 1 The figure is a schematic diagram of the structure of a vacuum cleaner filter assembly with stable positioning.

[0027] Figure 2 An exploded view of a vacuum cleaner filter assembly with stable positioning.

[0028] Figure 3 A schematic diagram of the structure of a Hepa frame in a vacuum cleaner filter assembly with stable positioning Figure 1 .

[0029] Figure 4 A schematic diagram of the structure of a Hepa frame in a vacuum cleaner filter assembly with stable positioning Figure 2 .

[0030] Figure 5 A cross-sectional view of a vacuum cleaner filter assembly with stable positioning.

[0031] Figure 6 for Figure 5 Enlarged view of point A in the middle.

[0032] Legend:

[0033] 1. Cyclone cone; 2. First air hole; 3. HEPA frame; 4. Mounting cavity; 5. Second air hole; 6. Internal fixing frame; 7. External fixing frame; 8. Limit block; 9. First HEPA unit; 10. Second HEPA unit; 11. Connecting column; 12. Slot; 13. Block; 14. First retaining ring; 15. Second retaining ring; 16. Spiral air duct; 17. Bottom plate; 18. First connecting column; 19. Slot; 20. Second connecting column; 21. Ring cover; 22. Dust collecting pipe. DETAILED DESCRIPTION

[0034] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0035] See also Figure 1-6The present invention provides a technical solution: a vacuum cleaner filter assembly with stable positioning, comprising:

[0036] A cyclone cone 1, wherein a filter screen is provided on the cyclone cone 1 and a plurality of first air holes 2 are provided on the cyclone cone 1;

[0037] A Hypa frame 3, the Hypa frame 3 is arranged at one end of the cyclone cone 1, a mounting cavity 4 is provided in the Hypa frame 3, and a second air hole 5 is provided at the bottom of the mounting cavity 4 corresponding to the position of the first air hole 2;

[0038] A fixing frame, comprising an inner fixing frame 6 and an outer fixing frame 7, wherein the outer fixing frame 7 is built into the mounting cavity 4, and the inner fixing frame 6 is built into the outer fixing frame 7, and a plurality of limit blocks 8 are provided in the inner fixing frame 6;

[0039] The HEPA comprises a first HEPA unit 9 and a second HEPA unit 10. The first HEPA unit 9 is arranged between the HEPA frame 3 and the external fixation frame 7. The second HEPA unit 10 is built into the internal fixation frame 6. The bottom of the limit block 8 is against the surface of the second HEPA unit 10.

[0040] Several limit blocks are arranged along the circumference of the internal fixation frame to limit the movement of the second HEPA unit and make it more stable.

[0041] A plug-in column 11 is provided at a position of the Hypa frame 3 corresponding to the second air hole 5 . The plug-in column 11 is plugged into the first air hole 2 . The plug-in column 11 is a hollow column with openings at both ends.

[0042] The sidewall of the mounting cavity 4 is provided with a plurality of slots 12, and the external fixing frame 7 is provided with a plurality of blocks 13, which are engaged with the slots 12. The plug-in post on the HEPA frame is plugged into the first air hole of the cyclone cone, which can make the connection between the HEPA frame and the cyclone cone more stable and prevent dust from flowing out of the gap between the HEPA frame and the cyclone cone.

[0043] A first retaining ring 14 is provided at the bottom of the outer fixing frame 7, and the first retaining ring 14 abuts against the first HEPA unit 9. A second retaining ring 15 is provided at the bottom of the inner fixing frame 6, and the bottom of the second retaining ring 15 abuts against the first retaining ring 14. This can make the first HEPA unit and the second HEPA unit more stable and have a better sealing effect.

[0044] The outer surface of the hepa frame 3 is provided with a spiral air duct 16. The spiral air duct is located above the air inlet, so as to form a spiral wind from the dust-laden airflow.

[0045] The end of the cyclone cone 1 away from the hepa frame 3 is provided with a bottom plate 17, and the bottom plate 17 is provided with a plurality of first connecting posts 18. The first connecting posts 18 are provided with slots 19, and the second connecting posts 20 on the cyclone cone 1 are inserted into the slots 19, so as to facilitate the fixing of the cyclone cone.

[0046] An annular cover 21 is provided at one end of the bottom plate 17 , and a dust collecting pipe 22 is provided at one end of the annular cover 21 .

[0047] Working principle: The plug-in column on the HEPA frame is plugged into the first air hole of the cyclone cone, which can make the connection between the HEPA frame and the cyclone cone more stable, prevent dust from flowing out of the gap between the HEPA frame and the cyclone cone, and improve the sealing effect. The cyclone cone is fixed by the HEPA frame and the base plate, and the base plate and the HEPA frame are plugged and fixed by the first connecting column and the second connecting column, so that the cyclone cone is firmly and conveniently fixed. The internal fixing frame and the external fixing frame are arranged in the HEPA frame, so that the first HEPA unit and the second HEPA unit can be fixed in two layers, which improves the filtering effect. At the same time, the external fixing frame is fixed by a clip-on method, which is easy to assemble. The internal fixing frame is plugged into the external fixing frame, which can facilitate the fixing and disassembly of the first HEPA unit and the second HEPA unit.

[0048] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A vacuum cleaner filter assembly with stable positioning, characterized in that: include: A cyclone cone, wherein a filter screen is provided on the cyclone cone, and a plurality of first air holes are provided on the cyclone cone; A Hypa frame, the Hypa frame is arranged at one end of the cyclone cone, a mounting cavity is arranged in the Hypa frame, and a second air hole is arranged at the bottom of the mounting cavity at a position corresponding to the first air hole; A fixing frame, the fixing frame includes an inner fixing frame and an outer fixing frame, the outer fixing frame is built into the mounting cavity, the inner fixing frame is built into the outer fixing frame, and a plurality of limit blocks are provided in the inner fixing frame; The HEPA comprises a first HEPA unit and a second HEPA unit. The first HEPA unit is arranged between the HEPA frame and the external fixator, the second HEPA unit is built into the internal fixator, and the bottom of the limit block is against the surface of the second HEPA unit.

2. The vacuum cleaner filter assembly with stable positioning according to claim 1, characterized in that: The position of the HEPA frame corresponding to the second air hole is provided with a plug-in column, and the plug-in column is plugged into the first air hole. The plug-in column is a hollow column with openings at both ends.

3. The vacuum cleaner filter assembly with stable positioning according to claim 1, characterized in that: A plurality of slots are provided on the side wall of the installation cavity, and a plurality of clamping blocks are provided on the external fixing frame. The clamping blocks are clamped in the slots.

4. The vacuum cleaner filter assembly with stable positioning according to claim 1, characterized in that: A first retaining ring is provided at the bottom of the outer fixing frame, and the first retaining ring abuts against the first HEPA unit. A second retaining ring is provided at the bottom of the inner fixing frame, and the bottom of the second retaining ring abuts against the first retaining ring.

5. The vacuum cleaner filter assembly with stable positioning according to claim 1, characterized in that: The outer surface of the Hypa frame is provided with a spiral air duct.

6. The vacuum cleaner filter assembly with stable positioning according to claim 1, characterized in that: A bottom plate is provided at one end of the cyclone cone away from the Hypa frame, and a plurality of first connecting columns are provided on the bottom plate. The first connecting columns are provided with slots, and the second connecting columns on the cyclone cone are inserted into the slots.

7. The vacuum cleaner filter assembly with stable positioning according to claim 6, characterized in that: An annular cover is provided at one end of the bottom plate, and a dust collecting pipe is provided at one end of the annular cover.

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