Multilayer nested handheld dust collector filter assembly

The adaptive sealing design, with its multi-layered nested structure and magnetic connection, solves the problem of poor sealing of the filter components in handheld vacuum cleaners, thus extending the lifespan of the motor.

CN223585840UActive Publication Date: 2025-11-25SUZHOU SWEEP ELECTRIC APPLIANCE CO LTD
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Patent Information

Application Number
CN202422870318.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-11-25
Estimated Expiration
2034-11-25

AI Technical Summary

Technical Problem

The filter assembly of a handheld vacuum cleaner may become less airtight after disassembly and cleaning, which can affect the lifespan of the motor.

Method used

The filter employs a multi-layered nested structure, utilizing magnets and deformable connecting membranes to form an adaptive seal. The attractive force of the first and second magnets pulls the deformable connecting membrane to form a sealing structure, blocking the gap between the end cap and the filter support.

Benefits of technology

The improved sealing effect of the filter components prevents dust from entering the motor and extends the motor's service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a multi-layer nested handheld dust collector filtering assembly which comprises a filtering support, a first magnet is arranged at one end of the filtering support, and the first magnet is arranged in the circumferential direction of the filtering support; the filter is arranged in the filter bracket, and an air duct is arranged in the filter; the filter screen is arranged on the outer surface of the filter bracket in a sleeving manner; the bottom of the end cover is connected with the end of the filter, a deformation connecting film is arranged at the position, corresponding to the first magnet, of the side wall of the end cover, a second magnet is arranged on the deformation connecting film, and the second magnet and the first magnet attract each other. According to the utility model, the problem that the sealing performance among parts forming the filter assembly becomes poor due to the fact that the filter assembly is detached for cleaning and is cleaned for many times can be solved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of cleaning electric appliances, especially relates to a multi-layer nested handheld dust collector filter assembly. BACKGROUND

[0002] The dust collector is a cleaning machine for dust removal by using a motor to drive a fan to generate negative pressure, also known as a vacuum cleaner. It does not make dust fly when operating, and can suck out dust that is not easy to remove in crevices and on carpets, is convenient and sanitary, and is widely used in families and public places. Using the dust collector for cleaning work saves a lot of time and effort of the user, and reduces the opportunity of direct contact of the user with bacteria, so it is loved by people and has a broad market space.

[0003] The handheld dust collector mainly comprises a main machine, a dust cup and a filter assembly. The main machine comprises a suction device, a separation device and a handle mounted thereon. During operation, the motor drives the suction device to rotate and suck air, so as to generate air negative pressure in the sealed shell, and bring dust outside to the filter assembly along with air flow. The separation device separates dust from air, and the dust is left in the filter assembly and the dust cup. Clean air after filtration is discharged from the air outlet through the motor

[0004] After using the dust collector, the user usually disassembles the filter assembly for cleaning. If the cleaning frequency is high, the sealing performance between the parts constituting the filter assembly will be poor, which causes dust to enter the motor from the gap and affects the service life of the motor. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problem that the sealing performance between the parts constituting the filter assembly will be poor due to disassembly and cleaning of the filter assembly, and provides a multi-layer nested handheld dust collector filter assembly.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a multi-layer nested handheld dust collector filter assembly, which comprises;

[0007] The filter support is provided with a first magnet at one end, and the first magnet is arranged along the circumference of the filter support;

[0008] The filter is built-in in the filter support, and the filter is provided with an air duct;

[0009] The filter net is sleeved on the outer surface of the filter support;

[0010] An end cover, a bottom of the end cover is connected with an end of the filter, a side wall of the end cover is provided with a deformed connecting film corresponding to a position of the first magnet, the deformed connecting film is provided with a second magnet, the second magnet and the first magnet are attracted to each other.

[0011] As a further description of the above technical solution:

[0012] The end cover is provided with two convex ribs, and the deformed connecting film is located between the two convex ribs.

[0013] As a further description of the above technical solution:

[0014] The bottom of the end cover is provided with a first baffle, and the first baffle is in abutment with the outer side of the filter.

[0015] As a further description of the above technical solution:

[0016] The first baffle is provided with an internal thread, and the filter is provided with a thread matched with the internal thread.

[0017] As a further description of the above technical solution:

[0018] The top of the end cover is provided with a second baffle, and the second baffle is in abutment with the top of the filter support.

[0019] As a further description of the above technical solution:

[0020] The filter is a waterproof sea sponges.

[0021] As described above, due to the adoption of the above technical solution, the beneficial effects of the present application are: by setting the first magnet on the filter support, the second magnet and the deformed connecting film on the end cover, when the end cover is installed, the second magnet and the first magnet are attracted to each other, so that the deformed connecting film is pulled up to form a sealed structure with the first magnet, the second magnet and the deformed connecting film, thereby self-adaptively blocking the gap between the end cover and the filter support, and the sealing effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0023] Figure 1 It is a structural schematic diagram of a multi-layer nested handheld dust collector filter assembly.

[0024] Figure 2 is an exploded view of a multi-layer nested handheld vacuum cleaner filter assembly.

[0025] Figure 3 is a cross-sectional view of a multi-layer nested handheld vacuum cleaner filter assembly.

[0026] Figure 4 is Figure 3 is an enlarged view of area A in the middle.

[0027] Figure 5 is a structural schematic view of an end cap in a multi-layer nested handheld vacuum cleaner filter assembly.

[0028] Figure 6 is a use state reference view of a multi-layer nested handheld vacuum cleaner filter assembly.

[0029] Legend:

[0030] 1, filter support; 2, first magnet; 3, filter; 4, air duct; 5, filter screen; 6, end cap; 7, deformed connecting film; 8, second magnet; 9, convex rib; 10, first baffle; 11, second baffle. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0032] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present application.

[0033] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0034] In the description of the utility model embodiments, it needs to be explained that, the terms "upper", "inner" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly used when the utility model product is used, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0035] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "set", "mount", "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be connected between, or indirectly connected through an intermediate medium, it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0036] Please refer to Figures 1-6 The utility model provides a kind of multi-layer nested hand-held dust collector filter assembly, comprising:

[0037] Filter support 1, one end of the filter support 1 is provided with first magnet 2, the first magnet 2 is arranged along the circumference of the filter support 1;

[0038] Filter 3, the filter 3 is built in the filter support 1, and the filter 3 is provided with air duct 4;

[0039] Filter screen 5, the filter screen 5 is sleeved on the outer surface of the filter support 1;

[0040] End cover 6, the bottom of the end cover 6 is connected with the end of the filter 3, the side wall of the end cover 6 is provided with deformation connecting film 7 corresponding to the position of the first magnet 2, the second magnet 8 is arranged on the deformation connecting film 7, and the second magnet 8 and the first magnet 2 are attracted to each other.

[0041] The end cover 6 is provided with two ribs 9, and the deformation connecting film 7 is located between the two ribs 9. The sealing effect can be improved.

[0042] The bottom of the end cover 6 is provided with first baffle 10, and the first baffle 10 is abutted with the outer side of the filter 3. The connection between the end cover and the filter can be more closely.

[0043] The first baffle 10 is provided with internal thread, and the filter 3 is provided with matching thread. The sealing effect between the two can be improved.

[0044] The top of the end cover 6 is provided with a second baffle 11, which abuts against the top of the filter support 1. The movement of the filter support can be limited.

[0045] The filter 3 is waterproof hempa. Specifically, the filter is a columnar shape, and the hollow columnar shape is surrounded by the laminated waterproof hempa.

[0046] Working principle: by setting the first magnet on the filter support, the second magnet on the end cover and the deformed connecting film, the second magnet and the first magnet attract each other when the end cover is installed, so that the deformed connecting film is pulled up to make the first magnet, the second magnet and the deformed connecting film form a sealed structure, thereby adaptively blocking the gap between the end cover and the filter support, and the sealing effect is good.

[0047] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A multi-layer nested hand vacuum cleaner filter assembly comprising, The utility model relates to a filter device, which comprises: a filter support, one end of which is provided with a first magnet arranged along the circumference of the filter support; a filter built in the filter support, the filter being provided with an air duct; a filter screen sleeved on the outer surface of the filter support; an end cover, the bottom of which is connected with the end of the filter, the sidewall of the end cover being provided with a deformed connecting film corresponding to the position of the first magnet, the deformed connecting film being provided with a second magnet, the second magnet and the first magnet attracting each other.

2. A multi-stage nested hand vacuum cleaner filter assembly according to claim 1, wherein, The end cover is provided with two convex ribs, and the deformed connecting film is located between the two convex ribs.

3. A multi-stage nested hand vacuum cleaner filter assembly according to claim 1, wherein, The bottom of the end cover is provided with a first baffle, which abuts against the outer side of the filter.

4. A multi-stage nested hand vacuum cleaner filter assembly according to claim 3, wherein, The first baffle is provided with an internal thread, and the filter is provided with a matching thread.

5. A multi-stage nested hand vacuum cleaner filter assembly according to claim 1, wherein, The top of the end cover is provided with a second baffle, which abuts against the top of the filter support.

6. A multi-stage nested hand vacuum cleaner filter assembly according to claim 1, wherein, The filter is waterproof sea sponges.