Cleaning device

Abstract

The present invention provides a cleaning device, the cleaning device comprising: a cover body, comprising an air outlet and a slot located at the air outlet, the slot having a plurality of limiting members; a filter assembly, which is installed in the slot in a position-limited manner by the plurality of limiting members and shields the air outlet; an airflow generating device; a fixing assembly, comprising a non-enclosed elastic ring-shaped body and a pair of handles respectively connected to the two ends of the ring-shaped body, when the handles receive mechanical operations from the user, the handles drive the ring-shaped body to undergo an inward contraction deformation so that the ring-shaped body is matched between the limiting member and the filter assembly, and when the handles are released, the fixing assembly presses the filter assembly so that the filter assembly is stably maintained in the slot. The present invention adds a fixing assembly to the cleaning device to prevent the filter assembly from falling off, being misplaced or having poor sealing, and is convenient to assemble or disassemble, and is convenient for cleaning and replacing the filter assembly.

Description

Technical Field

[0001] The invention relates to the technical field of cleaning devices. Background Art

[0002] Cleaning devices are widely used in industry and life, especially cleaning devices that use filter components to purify and remove dust from the airflow in the internal air path, such as air purifiers, vacuum cleaners, blower-suction machines, blower-suction track cleaning vehicles, etc. Usually, the airflow generating device of the cleaning device drives the air to flow along the air path, and the airflow is dusted and removed when passing through the filter component to achieve the purpose of purifying the airflow. Once the filter component falls off, is misplaced, or has poor sealing, the purification effect will be poor and the user experience will be reduced, or the machine will fail or even be damaged.

[0003] For example, a dry vacuum cleaner usually includes a head assembly, a filter assembly and a dust storage bucket assembly. The head assembly includes a fan for driving the airflow to flow along the air path, a bottom cover supporting the fan and a top cover provided on the upper part of the fan; the filter assembly is provided in a closed space formed by the head assembly and the dust storage bucket assembly, and is located upstream of the fan in the air path. When in use, the dust-laden airflow is sucked into the dust storage bucket assembly under the drive of the fan and processed into a clean airflow by the filter assembly, the dust is collected in the dust storage bucket assembly, and the clean airflow is discharged through the air duct after passing through the fan. If the filter assembly falls off, is misplaced or has poor sealing, on the one hand, large objects in the dust-laden airflow may be sucked into the fan, causing the fan impeller to get stuck or overloaded and damaged, resulting in the machine being unable to be used normally; on the other hand, the dust in the dust-laden airflow cannot be filtered well, resulting in a large amount of dust in the air outlet of the machine, resulting in a poor user experience.

[0004] In addition, as the use time increases, too much impurities and dust will accumulate on the filter assembly. In order to ensure the normal flow of airflow and the filtering effect of the filter assembly, the user needs to frequently disassemble the filter assembly for replacement or cleaning.

[0005] Therefore, it is necessary to provide an improved cleaning device to solve the above problems. Summary of the invention

[0006] The object of the present invention is to provide an improved cleaning device to solve the problems that the filter assembly is easy to fall off or has poor sealing, and the filter assembly is inconvenient to disassemble.

[0007] In order to achieve the above-mentioned object of the invention, the present invention provides a cleaning device, which comprises:

[0008] The cover body comprises an air outlet and a slot located at the air outlet, wherein the slot has a plurality of limit members;

[0009] A filtering component is installed in the card slot in a limited manner by a plurality of the limiting members and shields the air outlet.

[0010] An air flow generating device drives air to flow through the filtering component and the air outlet.

[0011] A fixing component includes a non-closed elastic ring-shaped body and a pair of handles respectively connected to two ends of the ring-shaped body. When the handles receive a mechanical operation by a user, the handles drive the ring-shaped body to undergo a contraction deformation so that the ring-shaped body is fitted between the limiting members and the filtering component. After the handles are released, the fixing component presses against the filtering component so that the filtering component is stably held in the card slot.

[0012] As a further improvement of the present invention, a pair of the handles respectively extend from corresponding ends of the ring-shaped body towards the inside of the ring-shaped body and extend in a U-shape at their respective end portions.

[0013] As a further improvement of the present invention, a pair of the handles respectively have a convex portion and a supporting portion. The supporting portion presses and fixes a middle region of the filtering component, and the convex portion vertically protrudes from a plane where the ring-shaped body is located.

[0014] As a further improvement of the present invention, the ring-shaped body has a plurality of fixing portions adapted to a plurality of the limiting members and a number of protruding portions alternately arranged with and connected end to end with the plurality of fixing portions. The fixing portions are snap-fitted with the limiting members and press and fix an edge region of the filtering component, and the protruding portions protrude towards the inside of the ring-shaped body to press and fix a middle region of the filtering component.

[0015] As a further improvement of the present invention, the fixing component is formed by bending a galvanized steel wire having two ends. A pair of the handles are respectively formed at two ends of the galvanized steel wire, and the ring-shaped body is formed in the middle of the galvanized steel wire.

[0016] As a further improvement of the present invention, the fixing component is arranged as an axisymmetric structure.

[0017] As a further improvement of the present invention, the filtering component is flexible and is arranged as a high-density flame-retardant sponge.

[0018] As a further improvement of the present invention, the housing includes a support member, and the filtering component is clamped between the support member and the fixing component;

[0019] The support member is arranged as a plate-shaped body having a number of through holes. The filtering component has a first surface and a second surface arranged opposite to each other. The first surface abuts against the surface of the support member, and the second surface is exposed towards the outside of the housing and is pressed by the fixing component.

[0020] As a further improvement of the present invention, when the ring-shaped body is fitted into the slot, all or part of the ring-shaped body is tightly attached to the inner wall surface of the slot.

[0021] As a further improvement of the present invention, the annular body extends from one end thereof to the other end thereof by rotating through a central angle α, and the central angle α satisfies 180°≤∠α<360°.

[0022] As a further improvement of the present invention, the cleaning device is configured as a dry vacuum cleaner.

[0023] As a further improvement of the present invention, the airflow generating device is configured as a fan; the vacuum cleaner includes a head assembly and a dust bucket assembly, the fan and the cover body are arranged on the head assembly, and the fan drives the air to pass through the dust bucket assembly, the filter assembly, the air outlet and the fan in sequence.

[0024] The beneficial effects of the present invention can be seen from the above technical solutions. The present invention has many outstanding substantive technical features. After implementing the technical solution of the present invention, its significant technical progress is mainly reflected in:

[0025] (1) The present invention adds a fixing component to the traditional cleaning device, and the filter component can be well fixed at its installation position by the fixing component, so as to prevent the filter component from falling off, being misplaced or having poor sealing during use, thereby ensuring the filtering effect of the filter component and avoiding poor performance of the cleaning device or damage to other components of the cleaning device (such as the airflow generating device);

[0026] (2) The fixed component is designed with a pair of handles, which makes assembly or disassembly easy and convenient for cleaning and replacement of the filter component.

[0027] (3) The fixing component has a plurality of protrusions to increase the contact area between the fixing component and the filter component, thereby further improving the sealing performance of the filter component. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 is a three-dimensional schematic diagram of a dry vacuum cleaner according to an embodiment of the present invention;

[0029] Figure 2 is an exploded schematic diagram of a dry vacuum cleaner according to an embodiment of the present invention;

[0030] Figure 3 is an exploded perspective view of a head assembly, a filter assembly and a fixing assembly from another perspective of an embodiment of the present invention;

[0031] Figure 4 It is a bottom view of the assembly state of the head assembly, the filter assembly and the fixing assembly according to one embodiment of the present invention;

[0032] Figure 5 yes Figure 4 A partial enlarged view of area A in the middle;

[0033] Figure 6 It is a three-dimensional schematic diagram of a fixing assembly according to an embodiment of the present invention. DETAILED DESCRIPTION

[0034] The present invention will be described in detail below in conjunction with the embodiments shown in the accompanying drawings. However, these embodiments do not limit the present invention, and any structural or functional changes made by a person skilled in the art based on these embodiments are all within the protection scope of the present invention.

[0035] The present invention provides a cleaning device, which has a filter assembly in its air path and uses the filter assembly to purify and remove dust from the airflow. The cleaning device can specifically be an air purifier, a dust collector, a blower and suction machine, a blower and suction track cleaning vehicle, etc.

[0036] Reference Figures 1 to 6 A specific embodiment of the cleaning device of the present invention is shown. In this embodiment, the cleaning device is specifically configured as a dry vacuum cleaner. The present invention will be described below in conjunction with this embodiment.

[0037] Ginseng Figure 1 and Figure 2The vacuum cleaner 100 includes a working head assembly (not shown), a hose (not shown), a dust bucket assembly 20, a head assembly 10 and a filter assembly 30. The working head assembly includes any one of a floor brush, a round brush, a dust sweeping brush, a flat suction brush or other types of brushes or suction heads. The working head assembly is connected to the interface 24 of the dust bucket assembly 20 through the hose. The dust bucket assembly 20 includes a dust bucket 21 with the above-mentioned interface 24, a dust bucket mounting base 22 supporting the dust bucket 21, and a roller 23 arranged below the dust bucket mounting base 22. The head assembly 10 is sealed and buckled to the top of the dust bucket 21 along the axial V by means of a buckle, a thread or the like. The head assembly 10 includes a cover body, a solid body, and a roller 23 disposed below the dust bucket mounting base 22. The fixed component 13 and the airflow generating device arranged in the air passage and used to drive the air to flow along the air passage, the airflow generating device can be specifically set as a blower, a fan, an air pump, etc. In this embodiment, the airflow generating device is set as a blower, the blower includes a motor and an impeller and is located inside the head component 10; the filter component 30 is located in the air passage, which is fixedly connected to the cover body of the head component 10 through the fixed component 13, and the filter component 30 and the fixed component 13 are arranged between the head component 10 and the dust storage bucket component 20. When in use, driven by the blower, the airflow enters the air passage of the vacuum cleaner 100 from the working head component, and flows through the hose, the interface 24, the dust bucket 21, and the filter component 30 in sequence; when passing through the filter component 30, the dust or foreign matter in the airflow is blocked by the filter component 30 and collected in the dust bucket 21, and the clean airflow after purification and dust removal is discharged along the air passage after passing through the blower.

[0038] Specifically, refer to Figure 2 and Figure 3 The cover body includes a bottom cover 12 supporting the fan and a top cover 11 covering the fan. The bottom cover 12 is provided with an air port 1220 and a slot 14 located at the air port 1220. The air port 1220 passes through the bottom cover 12 so that the inside of the head assembly 10 is connected with the outside; the slot 14 is connected with the air port 1220 and exposed to the outside of the head assembly 10, and the slot 14 has a plurality of stoppers 121. In this embodiment, the plurality of stoppers 121 extend vertically from the inner wall surface 140 of the slot 14 into the air path; the filter assembly 30 is installed in the slot 14 and is limited by the plurality of stoppers 121. The filter assembly 30 shields the air port 1220 to filter and purify the air flowing through the air port 1220.

[0039] When in use, driven by the fan, the airflow flows from the outside of the head assembly 10 to the inside of the head assembly 10 at the air outlet 1220, and flows through the filter assembly 30, the air outlet 1220 and the fan in sequence. That is, in the present embodiment, the air outlet 1220 is an air inlet, and the corresponding filter assembly is arranged at the air outlet located upstream of the airflow generating device; in the cleaning devices of other embodiments, the filter assembly can also be arranged at the air outlet located downstream of the airflow generating device. It should be noted that in the present embodiment, the air outlet 1220 is formed at the lower middle position of the bottom cover 12 and corresponds to the aforementioned motor setting. At the air outlet 1220, the air flows from bottom to top in parallel with the axial V (that is, the air flows from bottom to top).

[0040] Here, since the limiting member 121 is usually small in size, the filter component 30 cannot be completely limited while being accommodated in the slot 14, that is, only a partial edge area of ​​the filter component 30 is limited, and most other areas of the filter component 30, such as the middle area or the edge area between adjacent limiting members 121, are not limited. Therefore, the fixing component 13 is also required to strengthen the limiting fixation of the filter component 30.

[0041] Specifically, the fixing component 13 is elastically buckled and coupled to the inner side of the limiting member 121 , and the fixing component 13 presses and fixes the filter component 30 from the outside, that is, the fixing component 13 presses the filter component 30 from below and the fixing component 13 is buckled and limited by the limiting member 121 .

[0042] Specifically, refer to Figures 4 to 6 The fixing assembly 13 includes a non-enclosed elastic ring-shaped body, a first handle 132 and a second handle 133. The ring-shaped body has a first end 1313 and a second end 1314 opposite to each other, the first handle 132 is connected to the first end 1313 of the ring-shaped body, and the second handle 133 is connected to the second end 1314 of the ring-shaped body. The first handle 132 and the second handle 133 are used to receive the mechanical operation of the user: when the first handle 132 and the second handle 133 receive the mechanical operation of the user, the first handle 132 and the second handle 133 drive the ring-shaped body to shrink and deform so that the ring-shaped body is matched between the limiter 121 and the filter assembly 30; in this way, when the first handle 132 and the second handle 133 are released, the ring-shaped body partially or completely expands and recovers the deformation, and the fixing assembly 13 presses the filter assembly 30 so that the filter assembly 30 is stably maintained in the installation position in the card slot 14.

[0043] The specific assembly process of the fixing assembly 13 is as follows: after the filter assembly 30 is limited in the slot 14, force is applied to the first handle 132 and the second handle 133 of the fixing assembly 13 to bring the two closer to each other, the first handle 132 and the second handle 133 link the annular body to shrink inward, and then the fixing assembly 13 is installed between the filter assembly 30 and the limiting member 121 of the slot 14, and the first handle 132 and the second handle 133 are released, so that the annular body expands and recovers, and the fixing assembly 13 presses and fixes the filter assembly 30 in the slot 14. That is, the filter assembly 30 is first installed in the slot 14 at the air outlet 1220, and then the annular body of the fixing assembly 13 is buckled and matched to the limiting member 121 of the slot 14, so as to press the filter assembly 30.

[0044] From the above description, it can be found that by pressing and fixing the filter component 30 through the fixing component 13, the filter component 30 can be well fixed in the card slot 14, preventing the filter component 30 from falling off, misaligned or poorly sealed during use, thereby ensuring the filtering effect of the filter component 30 and avoiding damage to the fan or abnormality of the vacuum cleaner; and the fixing component 13 is easy to assemble or disassemble, thereby facilitating the cleaning and replacement of the filter component 30.

[0045] In this embodiment, the filter assembly 30 is a flexible member such as filter cloth and / or filter cotton arranged perpendicular to the air flow direction. Preferably, the filter assembly 30 is a high-density flame-retardant sponge, which has the advantages of good air permeability and easy cleaning, and can better filter out small-sized dust. The filter assembly 30 has a first surface facing the inside of the head assembly 10 and a second surface 301 exposed to the outside of the head assembly 10. The fixing assembly 13 presses and contacts the second surface 301 of the filter assembly 30.

[0046] Further, the bottom cover 12 includes a support member 122 exposed in the air flow channel, the air outlet 1220 is at least partially defined by the support member 122, and the filter assembly 30 is clamped between the support member 122 and the fixing assembly 13. In this embodiment, the support member 122 is specifically configured as a plate-like body having a plurality of through holes, the first surface of the filter assembly 30 is in contact with the surface of the support member 122, and the air outlet 1220 includes the aforementioned plurality of through holes.

[0047] In this embodiment, when the ring-shaped body is fitted into the slot 14 , all or part of the ring-shaped body is tightly attached to the inner wall surface 140 of the slot 14 and the ring-shaped body has a tendency to further expand and recover the deformation.

[0048] Furthermore, the inner wall surface 140 of the slot 14 is formed between the support member 122 and the stopper 121 and encloses a cylindrical space, and the filter assembly 30 is configured as a corresponding cylinder; Figure 4 and Figure 5From the perspective of the upward view shown, the ring-shaped body generally extends from the first end 1313 by a central angle α to the second end 1314, and the angle of the central angle α satisfies 180° ≤ α < 360°.

[0049] The ring-shaped body includes a plurality of fixing parts 1311 adapted to a plurality of limiting parts 121 and a plurality of protruding parts 1312 arranged alternately with and connected end to end with the plurality of fixing parts 1311. The fixing parts 1311 press and fix the edge area of the filter assembly 30, and the protruding parts 1312 extend towards the inside of the ring-shaped body to press and fix the middle area of the filter assembly 30. In this way, the contact area between the fixing assembly 13 and the filter assembly 30 can be increased by the protruding parts 1312, preventing the filter assembly 30 from warping and resulting in poor sealing performance, thereby greatly improving the pressing efficiency of the fixing assembly 13 on the filter assembly 30. Moreover, the concave-convex structure design is also beneficial to increasing the self-strength and elasticity of the fixing assembly 13. In this embodiment, the limiting parts 121 and the fixing parts 1311 are set to four that match each other, and the protruding parts 1312 are set to three.

[0050] Furthermore, the handles 132 and 133 respectively extend from the corresponding ends of the ring-shaped body towards the inside of the ring-shaped body and extend in a U-shape at their respective end parts. Specifically, the first handle 132 extends from the first end 1313 towards the inside of the ring-shaped body, and the first handle 132 has a third end 1321 opposite to the first end 1313; similarly, the second handle 133 extends from the second end 1314 towards the inside of the ring-shaped body, and the second handle 133 has a fourth end 1331 opposite to the second end 1314, and both the third end 1321 and the fourth end 1331 are in a U-shape. By using the aforementioned U-shaped structure design, the contact area between the fixing assembly 13 and the filter assembly 30 can be further increased, and the pressing efficiency of the fixing assembly 13 can be improved.

[0051] The first handle 132 has a convex part 1322 and a supporting part 1320, and the second handle 133 has a convex part 1332 and a supporting part 1330. Among them, the supporting part 1320 includes the above-mentioned third end 1321, and the supporting part 1330 includes the above-mentioned fourth end 1331; the supporting parts 1320 and 1330 press and fix the middle area of the filter assembly 30; the convex parts 1322 and 1332 protrude perpendicularly to the plane where the ring-shaped body is located, and when in use, the convex parts 1322 and 1332 protrude outward from the second surface 301 of the filter assembly 30 to facilitate the user to operate and apply force.

[0052] In this embodiment, the fixing assembly 13 is formed by bending a filament with two ends, the first handle 132 and the second handle 133 are respectively formed at the two ends of the filament, and the ring-shaped body is formed in the middle of the filament. The filament can be specifically galvanized steel wire, which has good corrosion resistance and oxidation resistance. Of course, in other embodiments, the filament can also be made of other materials, as long as it has the elastic deformation ability and structural strength that meet the requirements.

[0053] In addition, the fixing assembly 13 is configured as an axisymmetric structure, and its axis of symmetry is as follows: Figure 5 The center line T is shown.

[0054] From the above description, it can be found that the present invention adds a fixing component to the traditional cleaning device, and the filter component can be well fixed at its installation position by the fixing component, preventing the filter component from falling off, misaligned or poorly sealed during use, thereby ensuring the filtering effect of the filter component and avoiding poor performance of the cleaning device or damage to other components of the cleaning device (such as the airflow generating device); and the fixing component is easy to assemble or disassemble, thereby facilitating the cleaning and replacement of the filter component.

[0055] It should be understood that although this specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each implementation mode may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0056] The series of detailed descriptions listed above are only specific descriptions of feasible implementation methods of the present invention. They are not intended to limit the scope of protection of the present invention. Any equivalent implementation methods or changes that do not deviate from the technical spirit of the present invention should be included in the scope of protection of the present invention.

Claims

1. A cleaning device, the cleaning device comprising: A cover body, the cover body including an air outlet and a card slot located at the air outlet, the card slot having a plurality of limiting members; A filter assembly, the filter assembly being installed in the card slot in a position limited by the plurality of limiting members and covering the air outlet; An air flow generating device, the air flow generating device driving air to flow through the filter assembly and the air outlet; A fixing component, characterized in that the fixing component includes a non-closed elastic ring-shaped body and a pair of handles respectively connected to two ends of the elastic ring-shaped body, an opening formed by the limiting member and the card slot faces the central position of the card slot to accommodate the elastic ring-shaped body; the pair of handles includes a first handle and a second handle, when the pair of handles receives a mechanical operation by a user, the first handle and the second handle approach each other, driving the elastic ring-shaped body to undergo an inward contraction deformation so that the elastic ring-shaped body is fitted between the limiting member and the filter assembly, and when the pair of handles is released, the fixing component presses against the filter assembly so that the filter assembly is stably held in the card slot.

2. The cleaning device according to claim 1, characterized in that The pair of handles respectively extend from corresponding ends of the elastic ring-shaped body towards the inside of the elastic ring-shaped body and extend in a U-shape at their respective end portions.

3. The cleaning device according to claim 1, characterized in that The pair of handles respectively have a convex portion and a supporting portion, the supporting portion presses and fixes the middle region of the filter assembly, and the convex portion vertically protrudes from the plane where the elastic ring-shaped body is located.

4. The cleaning device according to claim 1, characterized in that The elastic ring-shaped body has a plurality of fixing portions adapted to the plurality of limiting members and a number of protruding portions alternately arranged with the plurality of fixing portions and connected end to end, the fixing portions are snap-fitted with the limiting members and press and fix the edge region of the filter assembly, and the protruding portions protrude towards the inside of the elastic ring-shaped body to press and fix the middle region of the filter assembly.

5. The cleaning device according to claim 1, characterized in that The fixing component is formed by bending a galvanized steel wire having two ends, the pair of handles are respectively formed at two ends of the galvanized steel wire, and the ring-shaped body is formed in the middle of the galvanized steel wire.

6. The cleaning device according to claim 1, characterized in that The fixing component is arranged in an axisymmetric structure.

7. The cleaning device according to claim 1, characterized in that The filter assembly is flexible and is arranged as a high-density flame-retardant sponge.

8. The cleaning device according to claim 1, characterized in that The housing includes a support member, and the filter assembly is clamped between the support member and the fixing component; The support member is arranged as a plate-shaped body having a plurality of through holes, the filter assembly has a first surface and a second surface arranged opposite to each other, the first surface abuts against the surface of the support member, and the second surface is exposed towards the outside of the housing and is pressed by the fixing component.

9. The cleaning device according to claim 1, characterized in that When the elastic ring-shaped body is fitted into the slot, all or part of the elastic ring-shaped body is tightly attached to the inner wall surface of the slot.

10. The cleaning device according to claim 1, characterized in that The annular body is extended from one end thereof to the other end thereof by rotating through a central angle α, and the central angle α satisfies 180°≤∠α<360°.

11. The cleaning device according to any one of claims 1 to 10, characterized in that: The cleaning device is configured as a dry vacuum cleaner.

12. The cleaning device according to claim 11, characterized in that The airflow generating device is configured as a fan; the vacuum cleaner includes a head assembly and a dust bucket assembly, the fan and the cover body are arranged on the head assembly, and the fan drives air to pass through the dust bucket assembly, the filter assembly, the air outlet and the fan in sequence.

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