Dust removal unit and dust collection and recovery equipment

Abstract

The utility model provides a dust removal unit and dust collection and recovery equipment. The primary dust collection chamber is positioned at the bottom of the cyclone chamber; the mesh enclosure part is arranged in the cyclone chamber and is provided with a plurality of meshes; the secondary cyclone is positioned at the downstream of the mesh enclosure part and is at least partially surrounded by the mesh enclosure part; the secondary dust collection chamber is positioned at the bottom end of the secondary cyclone; the first-stage dust cup cover is used for shielding the bottom end of the first-stage dust collection chamber, the second-stage dust cup cover is used for shielding the bottom end of the second-stage dust collection chamber and located below the first-stage dust cup cover, and the cup cover matching plate at least partially accommodates the second-stage dust cup cover and is fixedly connected with the first-stage dust cup cover. Wherein the cup cover matching plate is provided with a dust falling opening which can be opened or closed by the secondary dust cup cover. The hand-held vacuum cleaning device has the advantages that manual dust pouring of the hand-held vacuum cleaning device can be achieved, automatic dust collection and recovery can be achieved, meanwhile, cleaning is free of dead corners, dust is cleaned thoroughly, and consumption experience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of household cleaning, in particular to a dust removal unit and dust collection and recovery equipment. Background Art

[0002] At present, handheld vacuum cleaning devices are often equipped with recycling stations, which are then used to automatically clean the dust in the handheld vacuum cleaning device. Existing handheld vacuum cleaning devices include a dust cup and a vacuum source device that is located downstream of the dust cup and generates a vacuum. In order to facilitate the recycling station to clean the dust in the dust cup, a dust extraction port, a dust extraction cover that can rotate to cover the dust extraction port, and a torsion spring provided at one end of the dust extraction cover need to be provided on the side of the dust cup. When the recycling station is working, negative pressure is generated. When the force of the negative pressure acting on the dust extraction cover is greater than the spring force, the dust extraction cover opens, and the dust is sucked away from the dust extraction port by the recycling station. However, this solution is prone to dead corners when the dust extraction port is on the side of the dust cup, and the dust is not cleaned properly, affecting the consumer experience. Utility Model Content

[0003] The purpose of the utility model is to provide a dust removal unit and dust collection and recovery equipment, which can realize manual dust dumping of a handheld vacuum cleaning device and automatic dust collection and recovery, while cleaning without dead corners, cleaning dust thoroughly, and improving consumer experience.

[0004] To achieve the purpose of this utility model, the utility model provides the following first technical solution: a dust removal unit and dust collection and recovery equipment, which includes a body, a cyclone chamber located in the body, a primary dust collecting chamber located at the bottom of the cyclone chamber, a mesh cover portion arranged in the cyclone chamber and having a plurality of mesh holes, a secondary cyclone located downstream of the mesh cover portion and at least partially surrounded by the mesh cover portion, a secondary dust collecting chamber located at the bottom end of the secondary cyclone, a primary dust cup cover for shielding the bottom end of the primary dust collecting chamber, a secondary dust cup cover for shielding the bottom end of the secondary dust collecting chamber and located below the primary dust cup cover, and a cup cover matching plate that at least partially accommodates the secondary dust cup cover and is fixedly connected to the primary dust cup cover, wherein the cup cover matching plate has a dust outlet that can be opened or closed by the secondary dust cup cover.

[0005] On the basis of the above technical solution, the following subsidiary technical solutions are further included:

[0006] Preferably, it also includes a rotating member that can be triggered to rotate and release the engagement with one end of the secondary dust cup cover, wherein after the rotating member is triggered to rotate open, the secondary dust cup cover opens the bottom end of the secondary dust collecting chamber around the second rotation axis under the action of gravity.

[0007] Preferably, the rotating part includes a rotating part shaft, a rotating matching part located on one side of the rotating part shaft, and a rotating driving part located on the other side of the rotating part shaft, wherein the axial direction of the rotating part shaft is parallel to the center direction of the cyclone chamber, and the second rotating shaft is perpendicular to the center direction of the cyclone chamber.

[0008] Preferably, the first-level dust cup cover includes a first rotating shaft located at one end, a first-level dust cup cover lock buckle located at the other end, and a first-level dust cup cover hole located between the first rotating shaft and the first-level dust cup cover lock buckle and selectively connected to the dust outlet.

[0009] Preferably, the secondary dust cup cover is used to close or open the primary dust cup cover hole, and comprises a second rotating shaft located at one end and having a rotating shaft hole, a locking portion located at the other end, a secondary cup cover shaft passing through the rotating shaft hole, and a cup cover torsion spring sleeved on the secondary cup cover shaft.

[0010] The utility model provides the following second technical solution: a dust collection and recovery device, comprising a handheld vacuum cleaning device, and a recovery station that at least partially accommodates the handheld vacuum cleaning device, characterized in that: the handheld vacuum cleaning device comprises a dust removal unit, and the recovery station comprises a receiving chamber that at least partially accommodates the dust removal unit, and a recovery dust collection chamber, wherein the dust removal unit is the dust removal unit in the first technical solution, and the primary dust collection chamber is selectively connected to the recovery dust collection chamber.

[0011] Preferably, the recycling station further comprises a protrusion which is arranged inside the receiving chamber and triggers the movement of the rotary drive unit, and the protrusion is in a truncated cone shape with a small upper end and a large lower end and is close to the recycling dust collection chamber.

[0012] Preferably, the rotating member is located between the primary dust cup cover and the cup cover matching plate and is arranged adjacent to the dust outlet.

[0013] Preferably, the rotating part includes a spacing between the rotating fitting part and the rotating part axis that is smaller than the spacing between the rotating driving part and the rotating part axis, and the spacing direction between the rotating fitting part and the rotating part axis intersects with the spacing direction between the rotating driving part and the rotating part axis at an obtuse angle, and the obtuse angle is close to the direction of the secondary dust cup cover.

[0014] Preferably, the primary dust collecting chamber at least partially surrounds the secondary dust collecting chamber, and the secondary dust cup cover at least partially covers the bottom end of the primary dust collecting chamber.

[0015] Compared with the prior art, the utility model has the following positive effects: it can realize manual dust dumping of the handheld vacuum cleaning device, and can also realize automatic dust collection and recycling, while cleaning without dead corners, cleaning dust thoroughly, and improving consumer experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is an exploded view of the first embodiment of the utility model;

[0018] Figure 2 It is a three-dimensional diagram of the rotating member in the first embodiment of the utility model;

[0019] Figure 3 It is a partial three-dimensional diagram of a recycling station in the second embodiment of the utility model;

[0020] Figure 4 It is a cross-sectional view of the secondary dust cup cover in the second embodiment of the utility model in the initial state;

[0021] Figure 5 This is a cross-sectional view of the second embodiment of the utility model in which the secondary dust cup cover is in an open state;

[0022] Figure 6 It is a partial cross-sectional view of the cooperation between the rotating member and the secondary dust cup cover in the second embodiment of the utility model;

[0023] Figure 7 This is a bottom view of the secondary dust cup cover in the second embodiment of the utility model in the initial state;

[0024] Figure 8 This is a bottom view of the second embodiment of the utility model with the secondary dust cup cover in an open state. DETAILED DESCRIPTION

[0025] In the description of the present utility model, it should be noted that, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", "front end", "back end", "head", "tail" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present utility model and simplification, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0026] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0027] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.

[0028] Example: Figure 1-2 As shown, the utility model discloses a first embodiment of a dust removal unit, which includes: a body, a cyclone chamber 220 located in the body, a primary dust collecting chamber 250 located at the bottom of the cyclone chamber 220, a mesh cover portion 500 arranged in the cyclone chamber 220 and having a plurality of mesh holes, a secondary cyclone 600 located downstream of the mesh cover portion 500 and at least partially surrounded by the mesh cover portion 500, a secondary dust collecting chamber 620 located at the bottom end of the secondary cyclone 600, a primary dust cup cover 300 for shielding the bottom end of the primary dust collecting chamber 250, a secondary dust cup cover 400 for shielding the bottom end of the secondary dust collecting chamber 620 and located below the primary dust cup cover 300, and a cup cover matching plate 380 that at least partially accommodates the secondary dust cup cover 400 and is fixedly connected to the primary dust cup cover 300, wherein the cup cover matching plate 380 has a dust outlet 382 that can be opened or closed by the secondary dust cup cover 400. Both the first-stage dust cup cover 300 and the second-stage dust cup cover 400 are structures that rotate around an axis to open.

[0029] The body is in the shape of a hollow cylinder, and includes a body lock button 240 disposed on one side of the body, and a body rotating shaft portion 260 disposed on the other side of the body.

[0030] The primary dust cup cover 300 includes a first rotating shaft 320 at one end, a primary dust cup cover buckle 340 at the other end, and a primary dust cup cover hole 360 ​​located between the first rotating shaft 320 and the primary dust cup cover buckle 340 and selectively connected to the dust outlet 382. The primary dust cup cover hole 360 ​​is arranged corresponding to the secondary dust collecting chamber 620.

[0031] The cup cover matching plate 380 is similar in shape to the primary dust cup cover 300, and is located at the bottom of the primary dust cup cover 300 and is fixedly connected by a plurality of connectors 386. The connectors 386 are preferably screws. The cup cover matching plate 380 includes a cup cover matching plate hole 382 located in the center, a receiving groove 384 connected to one side of the cup cover matching plate hole 382, ​​and a cup cover inner wall arranged around the cup cover matching plate hole 382 and the receiving groove 384.

[0032] The secondary dust cup cover 400 is used to close or open the primary dust cup cover hole 360, and includes a second rotating shaft 420 located at one end and having a rotating shaft hole, a locking portion 440 located at the other end, a secondary cup cover shaft 422 passing through the rotating shaft hole, and a cup cover torsion spring 424 sleeved on the secondary cup cover shaft 422. The second rotating shaft 420 is at least partially received by the receiving groove 384.

[0033] This embodiment also includes a rotating member 450 that can be triggered to rotate and release the engagement with one end of the secondary dust cup cover 400, wherein after the rotating member 450 is triggered to rotate and open, the secondary dust cup cover 400 opens the bottom end of the secondary dust collecting chamber 620 around the second rotating axis 420 under the action of gravity. The rotating member 450 includes a rotating member shaft 452, a rotating engagement portion 454 located on one side of the rotating member shaft 452, and a rotating driving portion 456 located on the other side of the rotating member shaft 452, and a recess 458 located outside the rotating driving portion 456, wherein the axial direction of the rotating member shaft 452 is parallel to the central direction of the cyclone chamber 220, and the secondary cup cover shaft 422 is perpendicular to the central direction of the cyclone chamber 220. A rotating receiving groove is provided at the end of the rotating driving portion 456. A flange 455 that can support the locking portion 440 is provided at the end of the rotating engagement portion 454. The rotating member shaft 452 is arranged on the outer side of the inner wall of the cup cover, and the flange 455 can rotate and extend into the cup cover matching plate hole 382. The center of the rotating member shaft 452 is axially fixed by a connecting member 386, and the rotating driving part 456 can move around the rotating member shaft 452 and drive the rotating matching part 454 to move. The rotating member shaft 452, the rotating matching part 454, and the rotating driving part 456 are integrated with each other.

[0034] This embodiment further includes an elastic portion 460 that abuts against the rotation driving portion 456, one end of which is received by the rotation receiving groove, and the other end is disposed on the outer side of the inner wall of the cup cover. The inner side of the inner wall of the cup cover is the cup cover matching plate hole 382 or the receiving groove 384.

[0035] like Figure 3-8 As shown, the utility model also provides a second embodiment of a dust collection and recovery device, which includes a handheld vacuum cleaning device and a recycling station 100 that at least partially receives the handheld vacuum cleaning device, the handheld vacuum cleaning device includes a dust removal unit 200, and the recycling station 100 includes a receiving chamber 120 that at least partially receives the dust removal unit 200, a recycling dust collection chamber 140, a dust bag device located in the recycling dust collection chamber 140, and a vacuum source device that provides vacuum to the dust bag device, wherein the dust removal unit 200 is the dust removal unit in the first embodiment, and the primary dust collection chamber 250 is selectively connected to the recycling dust collection chamber 140. The vacuum source device is preferably an AC motor.

[0036] The recycling station 100 further includes a protrusion 160 disposed inside the receiving chamber 120 and triggering the movement of the rotary drive unit 456. The protrusion 160 is in a truncated cone shape with a small upper end and a large lower end and is close to the recycling dust collection chamber 140.

[0037] The distance between the rotational fitting portion 454 and the rotating part axis 452 is smaller than the distance between the rotational driving portion 456 and the rotating part axis 452, and the distance direction between the rotational fitting portion 454 and the rotating part axis 452 intersects with the distance direction between the rotational driving portion 456 and the rotating part axis 452 at an obtuse angle, and the obtuse angle is close to the direction of the secondary dust cup cover 400.

[0038] During operation, the dust removal unit 200 is first placed downward into the receiving chamber 120, and then the rotating drive part 456 is pressed against the elastic part 460 by the side of the protrusion 160 until the rotating drive part 456 rotates an angle and disengages from the cooperation with one end of the secondary dust cup cover 400, wherein the protrusion 160 is at least partially received by the recess 458; then one end of the secondary dust cup cover 400 is rotated downward to open under the negative pressure of the motor of the recycling station; then the dust in the primary dust collecting chamber 250 falls into the dust collecting cavity 140 of the recycling station until the motor of the recycling station stops working; when the motor of the recycling station stops working, one end of the secondary dust cup cover 400 moves upward under the action of the torsion cup cover torsion spring 424; then the dust removal unit 200 continues to be moved upward out of the receiving chamber 120; finally, the rotating drive part 456 disengages from the pressure of the protrusion 160 until the rotating drive part 456 resumes the abutment cooperation with one end of the secondary dust cup cover 400 to end.

[0039] The utility model has the advantages that it can realize manual dust emptying of the handheld vacuum cleaning device and automatic dust collection and recycling, and at the same time, it cleans without dead corners, cleans dust thoroughly, and improves consumer experience.

[0040] The above are only preferred implementations of the present utility model, but the protection scope of the present utility model is not limited thereto. Any technician familiar with the technical field can make several modifications and improvements without departing from the creative concept of the present utility model, which should be included in the protection scope of the present utility model.

Claims

1. A dust removal unit, characterized in that The invention comprises a machine body, a cyclone chamber (220) located in the machine body, a primary dust collecting chamber (250) located at the bottom of the cyclone chamber (220), a mesh cover portion (500) disposed in the cyclone chamber (220) and having a plurality of mesh holes, a secondary cyclone (600) located downstream of the mesh cover portion (500) and at least partially surrounded by the mesh cover portion (500), a secondary dust collecting chamber (620) located at the bottom end of the secondary cyclone (600), a primary dust cup cover (300) for shielding the bottom end of the primary dust collecting chamber (250), a secondary dust cup cover (400) for shielding the bottom end of the secondary dust collecting chamber (620) and located below the primary dust cup cover (300), and a cup cover matching plate (380) for at least partially accommodating the secondary dust cup cover (400) and fixedly connected to the primary dust cup cover (300), wherein the cup cover matching plate (380) has a dust outlet (382) which can be opened or closed by the secondary dust cup cover (400).

2. The dust removal unit according to claim 1, characterized in that It also includes a rotating member (450) that can be triggered to rotate and release the engagement with one end of the secondary dust cup cover (400), wherein after the rotating member (450) is triggered to rotate open, the secondary dust cup cover (400) opens the bottom end of the secondary dust collecting chamber (620) around the second rotating axis (420) under the action of gravity.

3. The dust removal unit according to claim 2, characterized in that: The rotating member (450) includes a rotating member shaft (452), a rotating matching portion (454) located on one side of the rotating member shaft (452), and a rotating driving portion (456) located on the other side of the rotating member shaft (452), wherein the axial direction of the rotating member shaft (452) is parallel to the center direction of the cyclone chamber (220), and the second rotating shaft (420) is perpendicular to the center direction of the cyclone chamber (220).

4. The dust removal unit according to claim 3, characterized in that: The first-level dust cup cover (300) comprises a first rotating shaft (320) located at one end, a first-level dust cup cover lock buckle (340) located at the other end, and a first-level dust cup cover hole (360) located between the first rotating shaft (320) and the first-level dust cup cover lock buckle (340) and selectively connected to the dust outlet (382).

5. The dust removal unit according to claim 4, characterized in that: The secondary dust cup cover (400) is used to close or open the primary dust cup cover hole (360), and comprises a second rotating shaft (420) located at one end and having a rotating shaft hole, a locking portion (440) located at the other end, a secondary cup cover shaft (422) passing through the rotating shaft hole, and a cup cover torsion spring (424) sleeved on the secondary cup cover shaft (422).

6. A dust collection and recovery device comprising a handheld vacuum cleaning device and a recovery station for at least partially receiving the handheld vacuum cleaning device, characterized in that: The handheld vacuum cleaning device comprises a dust removal unit (200), and the recycling station comprises a receiving chamber (120) for at least partially receiving the dust removal unit (200), and a recycling dust collection chamber (140), wherein the dust removal unit (200) is the dust removal unit according to claim 3, and the primary dust collection chamber (250) is selectively connected to the recycling dust collection chamber (140).

7. The dust collection and recovery equipment according to claim 6, characterized in that: The recycling station (100) further comprises a protrusion (160) arranged inside the receiving chamber (120) and triggering the movement of the rotating driving part (456), wherein the protrusion (160) is in the shape of a truncated cone with a small upper end and a large lower end and is close to the recycling dust collection chamber (140).

8. The dust collection and recovery equipment according to claim 7, characterized in that: The rotating member (450) is located between the primary dust cup cover (300) and the cup cover matching plate (380) and is arranged adjacent to the dust outlet (382).

9. The dust collection and recovery equipment according to claim 8, characterized in that: The distance between the rotating fitting portion (454) and the rotating part axis (452) is smaller than the distance between the rotating driving portion (456) and the rotating part axis (452), and the distance direction between the rotating fitting portion (454) and the rotating part axis (452) intersects with the distance direction between the rotating driving portion (456) and the rotating part axis (452) at an obtuse angle, and the obtuse angle is close to the direction of the secondary dust cup cover (400).

10. The dust collection and recovery equipment according to claim 8, characterized in that: The primary dust collecting chamber (250) at least partially surrounds the secondary dust collecting chamber (620), and the secondary dust cup cover (400) at least partially covers the bottom end of the primary dust collecting chamber (250).

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