CN218943198U

CN218943198U - Dust cup assembly and dust collector

Info

Publication number: CN218943198U
Application number: CN202221220739.XU
Authority: CN
Inventors: 曹东周
Original assignee: Suzhou Ruikelan Electric Appliance Co ltd
Current assignee: Suzhou Ruikelan Electric Appliance Co ltd
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2023-05-02
Anticipated expiration: 2032-05-20

Abstract

The utility model discloses a dust cup assembly and a dust collector, comprising: a dirt cup having an airflow inlet; a filter arranged in the dust cup, wherein a plurality of air inlet holes into which air flows are arranged on the periphery side of the filter; and a first airflow chamber formed between the dirt cup and the filter; the air flow inlet is provided with a flow guiding structure, and the flow guiding structure can guide the air flow flowing out from the air flow inlet to flow unidirectionally along the circumferential direction of the first air flow cavity. According to the utility model, the airflow inlet is provided with the flow guide structure, and the flow guide structure can guide airflow to flow along the circumferential direction of the first airflow cavity in one direction, so that orderly circulation of the airflow is promoted, a cyclone flow passage is formed, dust filtering efficiency is improved, the airflow is promoted to enter the filter from the air inlet hole, the filter is not easy to be blocked, and the working efficiency of the filter and the dust separating effect are improved.

Description

Dust cup assembly and dust collector

Technical Field

The utility model relates to a dust collector, in particular to a dust cup assembly and the dust collector.

Background

Along with the continuous improvement of the living standard of people, the requirements of people on the living quality are also higher and higher. Along with the rapid development of industrial production, environmental pollution is also more and more increased, dust in the air is increased more and more, and the dust is accumulated on the surfaces, corners and the like of all objects in a living space, so that living experience of people is reduced, and living environment and physical health of people are simultaneously damaged. Therefore, devices such as a dust collector have been widely used in the life of people to clean dust in living environments.

At present, a dust collector generally comprises a main shell, a dust cup arranged in the main shell and a filter arranged in the dust cup, wherein the dust cup is provided with an airflow inlet, the filter is provided with an airflow outlet, a first airflow cavity is formed between the inner wall of the dust cup and the outer wall of the filter, and after entering the dust cup from the airflow inlet, airflow carrying dust enters the filter through the first airflow cavity and the outer wall of the filter in sequence so as to filter dust in the airflow, and clean air after the dust is filtered is discharged out of the dust cup through the airflow outlet. However, the airflow flowing into the dust cup from the airflow inlet is generally directly blown to the filter, so that the airflow in the airflow channel is disturbed, a stable cyclone channel cannot be formed in the first airflow cavity, the working efficiency and the separation effect of the filter are poor, and the use experience of the dust collector is affected.

Accordingly, there is a need for an improvement over the prior art to overcome the deficiencies described in the prior art.

Disclosure of Invention

The utility model aims to provide a dust cup assembly and a dust collector so as to improve the filtering effect.

The utility model aims at realizing the following technical scheme: a dirt cup assembly comprising: a dirt cup having an airflow inlet; a filter arranged in the dust cup, wherein a plurality of air inlet holes into which air flows are arranged on the periphery side of the filter; and a first airflow chamber formed between the dirt cup and the filter; the air flow inlet is provided with a flow guiding structure, and the flow guiding structure can guide the air flow flowing out from the air flow inlet to flow unidirectionally along the circumferential direction of the first air flow cavity.

Further, the air outlet direction of the air inlet coincides with the tangential direction of the outer peripheral side of the filter.

Further, the flow guiding structure comprises a first flow guiding plate and a second flow guiding plate which are arranged at the air flow inlet, the first flow guiding plate and the second flow guiding plate are oppositely arranged, and a flow guiding channel is formed between the first flow guiding plate and the second flow guiding plate.

Further, the first baffle plate extends from the air flow inlet into the first air flow chamber, and an extension plane of the first baffle plate in the extension direction thereof is tangential to the outer peripheral side of the filter.

Further, the second deflector is tangential to the inner peripheral side of the dirt cup.

Further, the dirt cup includes: the dust cup main body is provided with the airflow inlet; a mounting part extending outwards from the outer wall of the dust cup main body and covering the air flow inlet; the guide channel extends from the dust cup main body to the mounting part along the guide direction of the guide channel, and is provided with a connecting port.

Further, the first deflector and the second deflector both extend from the dirt cup body to the connection port; or the second guide plate extends from the dust cup main body to the connecting port, and a guide block is detachably arranged between the first guide plate and the connecting port.

Further, the filter comprises a steel mesh piece with the air inlet holes and a cyclone cone arranged in the steel mesh piece, the first airflow cavity is formed between the steel mesh piece and the dust cup, and the second airflow cavity is formed in the cyclone cone.

Further, the filter includes: a sealing cover provided with an air flow outlet communicated with the second air flow cavity; the filter cotton is detachably arranged on the sealing cover and is covered on the airflow outlet; the filter screen is detachably arranged on the sealing cover and is covered on the filter cotton; wherein the filter is insertable into the dirt cup from a first opening of the dirt cup and closes the first opening by the sealing cover.

In addition, the utility model also provides a dust collector, which comprises: the dust cup assembly described above; a main housing for mounting the dirt cup assembly; a dust collection motor; and the main shell is provided with an air outlet channel which is respectively in butt joint with the air outlet and the dust collection motor.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the flow guide structure is arranged at the air inlet, when dust-carrying air enters the first air flow cavity from the air inlet, the flow guide structure can guide the air flow to flow unidirectionally along the circumferential direction of the first air flow cavity, so that the ordered circulation of the air flow is promoted, a cyclone flow channel is formed, the dust filtering efficiency is improved, the air flow is promoted to enter the filter from the air inlet hole, the filter is not easy to be blocked, and the working efficiency of the filter and the dust separating effect are improved.

Drawings

FIG. 1 is a schematic view of an exploded construction of a dirt cup assembly of the present utility model.

FIG. 2 is a schematic cross-sectional view of the dirt cup assembly of the present utility model in a top view.

FIG. 3 is a schematic cross-sectional view of the dirt cup assembly of the present utility model in a front view.

FIG. 4 is a schematic view of the structure of the dust cup of the present utility model.

Detailed Description

In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not limiting. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present application are shown in the drawings. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

The terms "comprising" and "having" and any variations thereof herein are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

Referring to fig. 1 to 4, a dust cup assembly according to a preferred embodiment of the present utility model includes: a dirt cup 100 having an airflow inlet 11; a filter 200 provided in the dust cup 100, the outer circumferential side of the filter 200 being provided with a plurality of air inlet holes (not shown) into which an air flow flows; and a first airflow chamber 300 formed between the dirt cup 100 and the filter 200; the airflow inlet 11 is provided with a guiding structure, which can guide airflow flowing out from the airflow inlet 11 to flow unidirectionally along the circumferential direction of the first airflow cavity 300.

According to the utility model, the air flow guiding structure is arranged at the air flow inlet 11, when dust-carrying air enters the first air flow cavity 300 from the air flow inlet 11, the air flow guiding structure can guide the air flow to flow along the circumferential direction of the first air flow cavity 300 in a unidirectional manner, so that the ordered circulation of the air flow is promoted, a cyclone flow passage is formed, the dust filtering efficiency is improved, the air flow is promoted to enter the filter 200 from the air inlet hole, the filter 200 is not easy to be blocked, and the working efficiency of the filter 200 and the dust separating effect are improved.

Further, the flow guiding structure includes a first flow guiding plate 13 and a second flow guiding plate 14 disposed at the air flow inlet 11, the first flow guiding plate 13 and the second flow guiding plate 14 are disposed opposite to each other, a flow guiding channel 15 for guiding the air flow is formed between the first flow guiding plate 13 and the second flow guiding plate 14, and the air flow flowing out through the air flow inlet 11 can enter the first air flow cavity 300 under the guiding of the flow guiding channel 15.

Preferably, the air outlet direction of the air flow inlet 11 coincides with the tangential direction of the outer circumferential side of the filter 200 so that the air flow flows along the circumferential direction of the first air flow chamber 300. Specifically, the first baffle 13 extends from the air flow inlet 11 into the first air flow chamber 300, and the extending plane of the first baffle 13 in the extending direction thereof is tangential to the outer peripheral side of the filter 200. The second baffle 14 is tangential to the inner peripheral side of the dirt cup 100. Since the first baffle 13 extends into the first airflow chamber 300, the airflow can be blocked so that the airflow flows unidirectionally along the first airflow chamber 300. Preferably, in the present embodiment, the first baffle 13 and the second baffle 14 may be integrally formed with the dust cup 100 for convenience of production.

Further, the dust cup 100 includes a dust cup main body 101 and a mounting portion 102, the air flow inlet 11 is opened on a side wall of the dust cup main body 101, and the mounting portion 102 extends outward from an outer side wall of the dust cup main body 101 and covers the air flow inlet 11. Preferably, the flow guiding channel 15 extends through from the air flow inlet 11 of the dirt cup body 101 towards the mounting part 102 in its flow guiding direction and forms a connection opening 16, so as to better guide the air flow from the mounting part 102 into the dirt cup body 101.

In one embodiment, both the first baffle 13 and the second baffle 14 may extend from the dirt cup body 101 to the connection port 16. However, in the actual production process, the die is difficult to process and shape. In order to facilitate the mold processing, as a preferred embodiment, the second baffle 14 extends from the dust cup main body 101 to the connection port 16, the first baffle 13 remains unchanged, a baffle block 17 is detachably arranged between the first baffle 13 and the connection port 16, and the baffle block 17 and the first baffle 13 cooperate to form a baffle wall of the baffle channel 15. Specifically, the mounting portion 102 has a first inner wall 18 extending from the connection port 16 to an outer wall of the dust cup main body 101 along an axial direction of the dust cup main body 101, and a mounting space is formed between the first inner wall 18 and an outer side wall of the dust cup main body 101, and the deflector 17 is limited in the mounting space. The flow guiding block 17 includes a flow guiding surface 171, and the flow guiding surface 171 is flush or substantially flush with a surface of the first flow guiding plate 13 facing the second flow guiding plate 14. In order to simplify the structure and facilitate the installation of the guide block 17, the guide block 17 may specifically be a structure with a certain elasticity, such as a rubber block or a plastic block, which can effectively avoid damaging the installation portion 102. When the deflector 17 is fitted into the mounting portion 102, it can be pressed against the first inner wall 18 of the mounting portion 102, thereby achieving a fixation, and be mounted in place against the outer side wall of the dirt cup body 101.

The dust cup body 101 has a first opening 12 at one side, and the filter 200 can be installed in the dust cup body 101 from the first opening 12. In this embodiment, the dirt cup body 101 and the filter 200 are preferably arranged coaxially, the filter 200 being supported and fixed on the end wall of the dirt cup body 101 opposite the first opening 12. The inner peripheral side of the dirt cup body 101 and the outer peripheral side of the filter 200 cooperate to form a first airflow chamber 300. The first airflow chamber 300 has a circular ring-shaped cross section to reduce dead angles during the flow process.

Further, the filter 200 includes a steel mesh 21 and a cyclone cone 22 provided in the steel mesh 21. A first airflow cavity 300 is formed between the steel mesh piece 21 and the dust cup main body 101, and a plurality of air inlets are densely distributed on the periphery of the steel mesh piece 21 so as to allow air to flow in and filter dust once. The steel mesh 21 includes a mounting cavity 211, the mounting cavity 211 having a second opening 212, and the cyclone cone 22 being receivable in the mounting cavity 211 from the second opening 212. The steel mesh 21 is provided with a bearing surface 213 on a side opposite to the second opening 212, and the cyclone cone 22 is supported on the bearing surface 213. Preferably, in this embodiment, the steel mesh 21 is arranged coaxially with the cyclone cone 22. A second airflow chamber 221 is formed in the cyclone cone 22, and airflow can enter the second airflow chamber 221 from the air inlet hole to perform secondary filtering on dust.

Further, the filter 200 further includes a sealing cap 23 coupled to the second opening 212, and the sealing cap 23 is provided with an air flow outlet 231 communicating with the second air flow chamber 221, the air flow outlet 231 for discharging the clean air flow out of the second air flow chamber 221. Preferably, the second opening 212 and the first opening 12 are located at the same side, and the size of the sealing cover 23 is larger than that of the first opening 12, so that the sealing cover 23 can simultaneously close the first opening 12 after the filter 200 is mounted to the dust cup 100, thereby securing the sealability of the first airflow chamber 300. Indeed, in other embodiments, another cover structure may be provided to close the first opening 12, which is not limited herein.

Preferably, the sealing cover 23 is provided with a handle portion 232 for easy access, and in this embodiment, the handle portion 232 is preferably disposed in the air outlet 231 to improve aesthetic appearance and avoid limitation when interfacing with the main housing of the cleaner. In addition, the sealing cover 23 is provided with a filter cotton 26 and a filter screen 25 in turn, the filter cotton 26 is covered on the air flow outlet 231, and the filter screen 25 is covered on the filter cotton 26. The filter cotton 26 and the filter screen 25 can filter the air flow flowing out of the air outlet 231 to further improve the cleanliness of the air flow. The filter cotton 26 is embodied as a sponge which is capable of allowing the air flow to pass therethrough while adsorbing dust, and the filter screen 25 is embodied as a filter cartridge having a small gap to adhere the remaining dust into the filter screen 25.

Further, the filter 200 further includes a dust collecting pipe 24 mounted on the steel mesh member 21 and communicating with the second air flow chamber 221, the dust collecting pipe 24 for receiving dust separated from the second air flow chamber 221, and the dust collecting pipe 24 and the sealing cover 23 are oppositely disposed at both ends of the filter 200. Specifically, the dust collecting pipe 24 is provided at a side of the steel mesh member 21 opposite to the second opening 212. The dust collecting pipe 24 is carried on an end wall of the dust cup 100, and a limiting structure is arranged between the dust collecting pipe 24 and the dust cup 100 to limit the movement of the dust collecting pipe 24 relative to the dust cup 100, so that the filter 200 is fixed on the dust cup 100.

Further, the dust cup assembly further comprises a suction nozzle 400 which is in butt joint with the mounting part 102, and the mounting part 102 and the suction nozzle 400 can be fixed in a buckling mode, so that the suction nozzle 400 can be conveniently disassembled and replaced, and different cleaning requirements are met.

In addition, the utility model also provides a dust collector, which comprises the dust cup assembly, a main shell (not shown) and a dust collection motor (not shown), wherein the dust collection motor is arranged on the main shell, the dust cup assembly is detachably arranged on the main shell, and an air outlet channel (not shown) which is respectively in butt joint with the air flow outlet 231 and the dust collection motor is arranged on the main shell.

The working process of the utility model is as follows: under the suction of the dust suction motor, negative pressure is formed in the suction nozzle 400 and the dust cup assembly, air flow carrying dust enters the first air flow cavity 300 from the air flow inlet 11, cyclone flow occurs along the first air flow cavity 300 under the guidance of the flow guiding structure, and most of dust is left in the first air flow cavity 300; then the air flow enters the second air flow cavity 221 through the air inlet holes, the air flow generates cyclone flow along the second air flow cavity 221, dust in the air flow is centrifugally filtered and then enters the dust collecting pipe 24 to be collected, clean air flow flows into the air outlet channel along the second air flow cavity 221 after being filtered by the filter screen 25 from the air flow outlet 231, and is discharged out of the dust collector.

The foregoing description is only of embodiments of the present application, and is not intended to limit the scope of the patent application, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present application or direct or indirect application in other related technical fields are included in the scope of the patent protection of the present application.

Claims

1. A dirt cup assembly, comprising:

a dirt cup (100) having an airflow inlet (11);

a filter (200) provided in the dust cup (100), wherein a plurality of air inlet holes into which the air flow flows are provided on the outer peripheral side of the filter (200); and

a first airflow chamber (300) formed between the dirt cup (100) and the filter (200);

the airflow inlet (11) is provided with a flow guiding structure, and the flow guiding structure can guide airflow flowing out from the airflow inlet (11) to flow unidirectionally along the circumferential direction of the first airflow cavity (300).

2. A dirt cup assembly as in claim 1, wherein the air outlet direction of the air flow inlet (11) coincides with the tangential direction of the outer peripheral side of the filter (200).

3. A dirt cup assembly as in claim 1, wherein the flow directing structure comprises a first flow directing plate (13) and a second flow directing plate (14) disposed at the air flow inlet (11), the first flow directing plate (13) and the second flow directing plate (14) being disposed opposite one another, a flow directing channel (15) being formed between the first flow directing plate (13) and the second flow directing plate (14).

4. A dirt cup assembly as in claim 3, wherein the first baffle (13) extends from the air flow inlet (11) into the first air flow chamber (300), the plane of extension of the first baffle (13) in its direction of extension being tangential to the peripheral side of the filter (200).

5. A dirt cup assembly as in claim 3, wherein the second baffle (14) is tangential to the inner peripheral side of the dirt cup (100).

6. A dirt cup assembly according to claim 3, wherein the dirt cup (100) comprises:

the dust cup main body (101), the air flow inlet (11) is arranged on the dust cup main body (101);

a mounting portion (102) extending outward from the outer wall of the dust cup main body (101) and covering the air flow inlet (11);

the guide channel (15) extends from the dust cup main body (101) to the mounting part (102) along the guide direction, and is provided with a connecting port (16).

7. The dirt cup assembly of claim 6, wherein the first baffle (13) and the second baffle (14) each extend from the dirt cup body (101) to the connection port (16); or alternatively, the process may be performed,

the second guide plate (14) extends from the dust cup main body (101) to the connecting port (16), and a guide block (17) is detachably arranged between the first guide plate (13) and the connecting port (16).

8. A dirt cup assembly as in claim 1, wherein the filter (200) comprises a steel mesh (21) having the air inlet aperture and a cyclone cone (22) disposed within the steel mesh (21), the steel mesh (21) and the dirt cup (100) defining the first airflow chamber (300) therebetween, the cyclone cone (22) defining a second airflow chamber (221) therein.

9. The dirt cup assembly of claim 8, wherein the filter (200) includes:

a seal cover (23) having an air flow outlet (231) communicating with the second air flow chamber (221);

a filter cotton (26) detachably provided on the seal cover (23) and covered on the air flow outlet (231); and

the filter screen (25) is detachably arranged on the sealing cover (23) and covers the filter cotton (26);

wherein the filter (200) is insertable into the dirt cup (100) from a first opening (12) of the dirt cup (100) and closes the first opening (12) by the sealing cap (23).

10. A vacuum cleaner, comprising:

a dirt cup assembly according to any one of claims 1 to 9;

a main housing for mounting the dirt cup assembly; and

a dust collection motor;

wherein, the main shell is provided with an air outlet channel which is respectively in butt joint with the air outlet (231) and the dust collection motor.