Handheld dust collector
By employing a magnetic connection and rotating bottom cover design in the handheld vacuum cleaner, the problem of reduced sealing caused by repeated opening and closing of the bottom cover is solved, enabling automatic opening and closing and improving the reliability and user experience of the vacuum cleaner.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2026-03-24
AI Technical Summary
Existing handheld vacuum cleaners suffer from poor dust cup sealing due to repeated opening and closing of the bottom cover, resulting in unstable use and a poor consumer experience.
The bottom cover and the sub-cover are connected by a magnetic and rotating structure. Combined with the sealing ring and rubber gasket design, the bottom cover can be automatically opened and closed in a sealed state to avoid repeated opening. Combined with the multi-cone and dust collection chamber design, dust can be discharged.
It improves the reliability and sealing of handheld vacuum cleaners, enhances the consumer experience, and extends their service life.
Smart Images

Figure CN224023456U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of household cleaning, especially relates to a hand-held dust collector. BACKGROUND
[0002] The hand-held dust collector is popular in the market because of convenient use, and with the product maturing, the use requirement and user experience requirement of the user are continuously improved. The existing hand-held dust collector comprises a dust cup body, an air inlet through which dust-containing airflow flows in, a separation device, an air outlet through which airflow flows out, a dust collection chamber and a bottom cover for dust pouring, when the dust collector is turned on, the dust-containing airflow flows into the dust cup from the air inlet, flows out from the air outlet after being filtered by a cyclone filter, and the bottom cover is rotated to be opened. The existing hand-held dust collector has the problems that the bottom cover and the dust cup are repeatedly opened for a long time, which leads to the sealing performance of the dust cup being reduced, the hand-held dust collector is unstable, and the consumer needs to continuously exert force to maintain the opening and needs to exert force to close the dust collector, so the consumer experience is poor. SUMMARY
[0003] The utility model aims at providing a hand-held dust collector which avoids the sealing performance of the dust cup being reduced due to long-term repeated opening, improves the reliability of the hand-held dust collector, improves the consumer experience, and prolongs the service life.
[0004] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of a hand-held dust collector, comprising: a motor, a dust cup assembly and a battery pack, the motor is located between the dust cup assembly and the battery pack, the dust cup assembly is connected with a floor brush through a dust suction pipe;
[0005] The dust cup assembly further comprises: a multi-cone, a dust cup and a bottom cover located below the dust cup, the dust cup comprises a secondary dust collection chamber located in a primary dust collection chamber, and the bottom of the dust cup is provided with a bottom cover for opening or covering the primary dust collection chamber;
[0006] The center area of the bottom cover has a bottom cover hole, one end of the bottom cover has a rotation shaft, one end of a sub-cover for opening or covering the bottom cover hole has a rotation hole, the rotation shaft of the bottom cover is embedded in the rotation hole of the rotation part of the sub-cover, the opening of the bottom cover hole is larger than the opening of the secondary dust collection chamber, the diameter of the sub-cover is larger than the diameter of the secondary dust collection chamber, the sub-cover can cover the bottom cover hole and the primary dust collection chamber close to the outer side wall area of the secondary dust collection chamber, the side of the rotation part opposite to the sub-cover has a seesaw part, and a pair of magnets and a magnetic metal are arranged between the other end of the bottom cover and the other end of the sub-cover.
[0007] The further improved scheme in the above-mentioned technical scheme is as follows:
[0008] 1. In the above-mentioned scheme, the multi-cone is installed above the dust cup.
[0009] 2. The scheme, the magnetic metal is arranged on the bottom cover, and the magnet is arranged on the sub-cover.
[0010] 3. The scheme, the surface of the sub-cover facing the secondary dust collecting chamber is provided with a rubber pad.
[0011] 4. The scheme, a sealing ring is arranged between the bottom cover and the inner wall of the dust cup.
[0012] 5. The scheme, the surface of the sub-cover away from the secondary dust collecting chamber is provided with a plurality of spaced ribs.
[0013] 6. The scheme, the motor is installed on the sidewall above the dust cup assembly, and the battery pack is installed on the sidewall below the dust cup assembly.
[0014] 7. The scheme, the handle is arranged between the battery pack and the motor.
[0015] Due to the use of the above technical scheme, the utility model has the following advantages compared with the prior art:
[0016] 1. The handheld dust collector comprises a motor, a dust cup assembly and a battery pack, the center area of the bottom cover in the dust cup assembly is provided with a bottom cover hole, the opening of the bottom cover hole is larger than the opening of the secondary dust collecting chamber, the diameter of the sub-cover is larger than the diameter of the secondary dust collecting chamber, the sub-cover can cover the bottom cover hole and the area of the primary dust collecting chamber close to the outer sidewall of the secondary dust collecting chamber, and in the sealed state of the bottom cover and the dust cup, the dust in the primary dust collecting chamber and the dust in the secondary dust collecting chamber are simultaneously discharged only through the bottom cover hole, the sealing performance of the dust cup is prevented from being reduced due to long-term repeated opening, and the reliability of the handheld dust collector is improved.
[0017] 2. The handheld dust collector comprises a motor, a dust cup assembly and a battery pack, one end of the bottom cover in the dust cup assembly is provided with a rotating shaft, one end of a sub-cover for opening or covering the bottom cover hole is provided with a rotating piece with a rotating hole, the rotating shaft of the bottom cover is embedded in the rotating hole of the rotating piece of the sub-cover, one side of the rotating piece away from the sub-cover is provided with a cantilever part, and a pair of magnets and magnetic metals are arranged between the other end of the bottom cover and the other end of the sub-cover, so that the opening state can be maintained without external force after the sub-cover is opened, and the sub-cover can be automatically closed under gravity or slight pushing when closed, the consumer experience is improved, fatigue is avoided, and the service life is prolonged. BRIEF DESCRIPTION OF DRAWINGS
[0018] ATTACHMENT Figure 1 It is a structure schematic view of the handheld dust collector of the utility model;
[0019] ATTACHMENT Figure 2 It is a structure schematic view of the dust cup assembly of the handheld dust collector of the utility model;
[0020] ATTACHMENTFigure 3 It is the structure transparent structure schematic view of the dust cup of the handheld dust collector of the utility model;
[0021] Attached Figure 4 It is the internal structure section view of the dust cup assembly of the handheld dust collector of the utility model.
[0022] In the above drawing: 1, multi-cone; 2, dust cup; 3, bottom cover; 31, bottom cover hole; 4, primary dust collection chamber; 5, secondary dust collection chamber; 6, sub-cover; 7, rotary part; 71, rotary hole; 8, seesaw part; 91, magnet; 92, magnetic metal; 10, rubber pad; 11, sealing ring; 12, rotary shaft; 13, inner groove; 14, motor; 15, dust cup assembly; 16, dust suction pipe; 17, floor brush; 18, battery pack; 19, handle part; 20, convex rib. DETAILED DESCRIPTION
[0023] The specific embodiments given below can further clearly understand the patent, but they are not limited to the patent.
[0024] Embodiment 1: a handheld dust collector, comprising: a motor 14, a dust cup assembly 15 and a battery pack 18, the motor 14 is located between the dust cup assembly 15 and the battery pack 18, the dust cup assembly 15 is connected with a floor brush 17 through a dust suction pipe 16;
[0025] The dust cup assembly 15 further comprises: a multi-cone 1, a dust cup 2 and a bottom cover 3 located below the dust cup 2, the dust cup 2 comprises a secondary dust collection chamber 5 located in a primary dust collection chamber 4, and the bottom of the dust cup 2 is provided with a bottom cover 3 for opening or covering the primary dust collection chamber 4;
[0026] The center area of the bottom cover 3 has a bottom cover hole 31, one end of the bottom cover 3 has a rotary shaft 12, one end of a sub-cover 6 for opening or covering the bottom cover hole 31 has a rotary part 7 with a rotary hole 71, the rotary shaft 12 of the bottom cover 3 is embedded in the rotary hole 71 of the rotary part 7 of the sub-cover 6, the opening of the bottom cover hole 31 is larger than the opening of the secondary dust collection chamber 5, the diameter of the sub-cover 6 is larger than the diameter of the secondary dust collection chamber 5, the sub-cover 6 can cover the bottom cover hole 31 and the primary dust collection chamber 4 close to the outer side wall area of the secondary dust collection chamber 5, the side of the rotary part 7 away from the sub-cover 6 has a seesaw part 8, and a pair of magnets 91 and magnetic metals 92 are arranged between the other end of the bottom cover 3 and the other end of the sub-cover 6.
[0027] The above multi-cone 1 is installed above the dust cup 2.
[0028] The above magnetic metal 92 is arranged on the bottom cover 3, and the magnet 91 is arranged on the sub-cover 6.
[0029] The above bottom cover 3 and the inner wall of the dust cup 2 are provided with a sealing ring 11.
[0030] The surface of the sub-cover 6 opposite to the secondary dust collecting chamber 5 is provided with a plurality of spaced ribs 20, which reduce the weight and improve the structural strength of the sub-cover.
[0031] Embodiment 2: A handheld vacuum cleaner comprises a motor 14, a dust cup assembly 15 and a battery pack 18, the motor 14 is located between the dust cup assembly 15 and the battery pack 18, the dust cup assembly 15 is connected with a floor brush 17 through a dust pipe 16;
[0032] The dust cup assembly 15 further comprises a multi-cone 1, a dust cup 2 and a bottom cover 3 located below the dust cup 2, the dust cup 2 comprises a primary dust collecting chamber 4 and a secondary dust collecting chamber 5 located in the primary dust collecting chamber 4, and the bottom of the dust cup 2 is provided with a bottom cover 3 for opening or covering the primary dust collecting chamber 4;
[0033] The center area of the bottom cover 3 is provided with a bottom cover hole 31, one end of the bottom cover 3 is provided with a rotating shaft 12, one end of a sub-cover 6 for opening or covering the bottom cover hole 31 is provided with a rotating member 7 with a rotating hole 71, the rotating shaft 12 of the bottom cover 3 is embedded in the rotating hole 71 of the rotating member 7 of the sub-cover 6, the opening of the bottom cover hole 31 is larger than the opening of the secondary dust collecting chamber 5, the diameter of the sub-cover 6 is larger than the diameter of the secondary dust collecting chamber 5, the sub-cover 6 can cover the bottom cover hole 31 and the area of the primary dust collecting chamber 4 close to the outer wall of the secondary dust collecting chamber 5, the side of the rotating member 7 opposite to the sub-cover 6 is provided with a cantilever part 8, and a pair of magnets 91 and magnetic metals 92 are arranged between the other end of the bottom cover 3 and the other end of the sub-cover 6.
[0034] The multi-cone 1 is installed above the dust cup 2.
[0035] The magnetic metals 92 are arranged on the bottom cover 3, and the magnets 91 are arranged on the sub-cover 6.
[0036] The surface of the sub-cover 6 facing the secondary dust collecting chamber 5 is provided with a rubber pad 10, which improves the sealing of the primary dust collecting chamber 4 and the secondary dust collecting chamber 5
[0037] A sealing ring 11 is arranged between the bottom cover 3 and the inner wall of the dust cup 2.
[0038] The motor 14 is installed on the side wall above the dust cup assembly 15, and the battery pack 18 is installed on the side wall below the dust cup assembly 15.
[0039] A handle part 19 is arranged between the battery pack 18 and the motor 14.
[0040] Working principle: after dust collection, the dust in the dust collecting chamber is processed by pressing the rocker arm part 8, the sub cover 6 rotates around the rotating shaft 12, when the magnet 91 and the magnetic metal 92 between the other end of the bottom cover 3 and the other end of the sub cover 6 are separated, the sub cover 6 can be maintained in the open state without external force, and at this time the bottom cover is always in sealing connection with the dust cup, because the opening of the bottom cover hole is larger than the opening of the secondary dust collecting chamber and the diameter of the sub cover 6 is larger than the diameter of the secondary dust collecting chamber, the dust in the primary dust collecting chamber and the dust in the secondary dust collecting chamber can be poured respectively; after pouring dust, the sub cover 6 and the bottom cover 3 can be closed under the action of gravity by slightly pushing the sub cover.
[0041] The dust cup of the above-mentioned dust collector is adopted, which comprises a motor, a dust cup assembly and a battery pack 18, and the dust in the primary dust collecting chamber 4 and the dust in the secondary dust collecting chamber 5 can be discharged simultaneously through the bottom cover hole 31 under the condition that the bottom cover and the dust cup are always in sealing state, thereby avoiding the decrease of sealing performance of the dust cup caused by long-term repeated opening and improving the reliability of the handheld dust collector.
[0042] Further, one end of the bottom cover 3 has a rotating shaft 12, one end of a sub cover 6 for opening or covering the bottom cover hole 31 has a rotating part 7 with a rotating hole 71, the rotating shaft 12 of the bottom cover 3 is embedded in the rotating hole 71 of the rotating part 7 of the sub cover 6, the side of the rotating part 7 away from the sub cover 6 has a rocker arm part 8, and a pair of magnets 91 and magnetic metals 92 are arranged between the other end of the bottom cover 3 and the other end of the sub cover 6, so that the sub cover 6 can be maintained in the open state without external force after being opened, and can be automatically closed under the action of gravity or slight pushing when being closed, thereby improving the consumer experience and prolonging the service life without fatigue.
[0043] The above-mentioned embodiments are only for illustrating the technical concept and characteristics of the present application, the purpose is to enable people skilled in the art to understand the content of the present application and implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made according to the spirit and essence of the present application shall be covered within the protection scope of the present application.
Claims
1. A handheld vacuum cleaner, characterized in that: include: The motor (14), dust cup assembly (15) and battery pack (18) are located between the dust cup assembly (15) and the battery pack (18). The dust cup assembly (15) is connected to a floor brush (17) via a suction pipe (16). The dust cup assembly (15) further includes: a multi-cone (1), a dust cup (2) and a bottom cover (3) located below the dust cup (2). The dust cup (2) includes a secondary dust collection chamber (5) located within the primary dust collection chamber (4). The bottom of the dust cup (2) is provided with a bottom cover (3) for opening or covering the primary dust collection chamber (4). The bottom cover (3) has a bottom cover hole (31) in the center area. One end of the bottom cover (3) has a rotating shaft (12). A sub-cover (6) for opening or covering the bottom cover hole (31) has a rotating component (7) with a rotating hole (71) at one end. The rotating shaft (12) of the bottom cover (3) is embedded in the rotating hole (71) of the rotating component (7) of the sub-cover (6). The opening of the bottom cover hole (31) is larger than the opening of the secondary dust collection chamber (5). The diameter of the sub-cover (6) is larger than the diameter of the secondary dust collection chamber (5). The sub-cover (6) can cover the bottom cover hole (31) and the area of the primary dust collection chamber (4) near the outer wall of the secondary dust collection chamber (5). The rotating component (7) has a rocker arm (8) on the side opposite to the sub-cover (6). A pair of magnets (91) and magnetic metal (92) are provided between the other end of the bottom cover (3) and the other end of the sub-cover (6).
2. The handheld vacuum cleaner according to claim 1, characterized in that: The multi-cone (1) is mounted above the dust cup (2).
3. The handheld vacuum cleaner according to claim 1, characterized in that: The magnetic metal (92) is disposed on the bottom cover (3), and the magnet (91) is disposed on the sub-cover (6).
4. The handheld vacuum cleaner according to claim 1, characterized in that: A rubber pad (10) is provided on the surface of the sub-cover (6) facing the secondary dust collection chamber (5).
5. The handheld vacuum cleaner according to claim 1, characterized in that: A sealing ring (11) is provided between the bottom cover (3) and the inner wall of the dust cup (2).
6. The handheld vacuum cleaner according to claim 1, characterized in that: The surface of the sub-cover (6) opposite to the secondary dust collection chamber (5) has several spaced ribs (20).
7. The handheld vacuum cleaner according to claim 1, characterized in that: The motor (14) is mounted on the side wall above the dust cup assembly (15), and the battery pack (18) is mounted on the side wall below the dust cup assembly (15).
8. The handheld vacuum cleaner according to claim 7, characterized in that: A handle (19) is disposed between the battery pack (18) and the motor (14).