CN115813257A - A filter assembly, dust cup assembly and cleaning device - Google Patents

Abstract

The invention relates to the technical field related to cleaning devices, and aims to provide a filtering assembly, a dust cup assembly and a cleaning device. This filtering component, dirt cup subassembly and cleaning device, filtering component's high-usage, dust filtration efficiency is high, the dust filter effect is better, can satisfy user's user demand, and user experience is better. This kind of filter assembly includes the support, filters piece and filter screen, and wherein filter sets up in the support, and the outside of support is located to the filter screen cover, and the axial length of filter screen is greater than the axial length who filters the piece to filter piece and filter screen part overlap the setting.

Description

A filter assembly, dust cup assembly and cleaning device

technical field

The invention relates to the related technical field of cleaning devices, in particular to a filter assembly, a dust cup assembly and a cleaning device.

Background technique

Vacuum cleaners and mite removers are common household cleaning devices. Vacuum cleaners can remove dust from the floor, carpets, clothing and other items, while mite removers can remove mites and sterilize them by beating, vacuuming, and ultraviolet rays.

Existing cleaning devices are equipped with a dust cup assembly. The dust cup assembly includes a dust cup shell and a separation structure and a dust collection structure arranged in the dust cup shell. The separation structure is used to separate dust from the air and collect dust. The structure is used to collect the separated dust. The separation structure is equipped with a filter assembly (or called a separator assembly). The filter assembly is mainly composed of a filter screen and a hypa net. The outside air enters the dust cup assembly from the air inlet, is filtered by the filter assembly, and then rotates and separates. Exhaust clean air from the air outlet. However, the existing filter assembly can only filter the air entering the dust cup assembly once, the utilization rate of the filter components is not high, the filter efficiency is low, and the filter effect is average.

Contents of the invention

Therefore, the technical problem to be solved by the present invention is to overcome the defects of low component utilization rate, low filtration efficiency and general filtration effect in the filter assembly in the prior art, thereby providing a filter component with high utilization rate, high filtration efficiency and high filtration efficiency. A filter structure with better effect, a filter assembly for the filter structure, a dust cup assembly and a cleaning device.

In order to solve the above problems, the invention provides a filter assembly, comprising:

bracket;

a filter element, arranged in the bracket;

The filter screen is sleeved on the outside of the bracket, the axial length of the filter screen is greater than the axial length of the filter element, and the filter element and the filter screen are partially overlapped.

As a preferred technical solution of the filter assembly, the support includes a first support part and a second support part arranged in the axial direction and communicating with each other, and the filter screen is sleeved on the first support part and the second support part outside, the filter element is arranged inside the second frame part.

As a preferred technical solution of the filter assembly, the first support part includes a first connecting plate, a second connecting plate and a plurality of first supporting columns, and the two ends of the first supporting column are respectively connected to the first connecting plate, The second connecting plate is connected, the first support columns are arranged at intervals along the circumferential direction, and the outer wall of the first support column is attached to the inner wall of the filter screen.

As a preferred technical solution of the filter assembly, the second bracket part includes a third connecting plate and several second supporting columns, and the two ends of the second supporting columns are respectively connected with the second connecting plate and the third connecting plate. plate connection, the second support columns are arranged at intervals in the circumferential direction, the outer wall of the second support column is attached to the inner wall of the filter, and the inner wall of the second support column is attached to the outer wall of the filter element .

As a preferred technical solution of the filter assembly, the filter element is a Hypanel net; the filter screen is a metal filter screen.

As a preferred technical solution of the filter assembly, the filter assembly has a frustoconical structure.

A dust cup assembly, comprising: a dust cup housing and a filter assembly as described above, a filter assembly installation chamber and a dust collection chamber communicated with each other are formed in the dust cup housing, and the filter assembly is installed on the filter assembly In the cavity, the dust cup housing is provided with an air inlet passage and an air outlet passage, part of the filter screen of the filter assembly is arranged in the air inlet passage, the filter element of the filter assembly and the filter elements of the rest The net is arranged in the air outlet channel.

As a preferred technical solution of the dust cup assembly, the filter assembly installation chamber and the dust collection chamber are communicated through a gap, and the gap is provided on the side wall adjacent to the filter assembly installation chamber and the dust collection chamber .

As a preferred technical solution of the dust cup assembly, an air inlet and an air outlet are formed on the dust cup housing, the air inlet communicates with the air inlet channel, and the air outlet communicates with the air outlet channel.

As a preferred technical solution of the dust cup assembly, in the filter assembly installation cavity, the air inlet and the air outlet are separated by a partition, and the inside of the partition has a hole suitable for installing the filter assembly. through hole.

As a preferred technical solution of the dust cup assembly, the partition is a spiral partition.

A cleaning device includes a main machine and the above-mentioned dust cup assembly, and the dust cup assembly is detachably mounted on the main machine.

As a preferred technical solution of the cleaning device, it is characterized in that the cleaning device is a mite removing instrument or a vacuum cleaner.

The technical solution of the present invention has the following advantages:

(1) The filter assembly provided by the present invention includes a support, a filter element and a filter screen, the filter element is arranged in the support, the filter screen is sleeved on the outside of the support, the axial length of the filter screen is greater than the axial length of the filter element, and The filter element and the filter net are partially overlapped and arranged. The filter screen in this filter assembly can filter the air twice, and the filter element can filter the air once, so that the utilization rate of the filter screen is higher, the filtering efficiency of dust is high, the filtering effect is better, and it is beneficial to the intake of air. purify.

(2) In the filter assembly provided by the present invention, the support includes a first support part and a second support part arranged axially and communicated with each other, the filter screen is sleeved on the outside of the first support part and the second support part, and the filter element is provided with Inside the second bracket part, the above structure is simple and reliable, which facilitates the setting of the filter element and the filter net, and facilitates installation and operation.

(3) In the filter assembly provided by the present invention, the first bracket part includes a first connecting plate, a second connecting plate and several first support columns, the second bracket part includes a third connecting plate and several second supporting columns, and the second bracket part includes a third connecting plate and several second supporting columns. The first support column and the second support column are arranged at intervals along the circumferential direction, the outer walls of the first support column and the second support column are all attached to the inner wall of the filter screen, and the inner wall of the second support column is attached to the outer wall of the filter element. The setting of the first support column and the second support column can effectively support the filter element and the filter net, improve the structural strength of the filter assembly, and make the filter net difficult to deform.

(4) The dust cup assembly provided by the present invention includes a dust cup housing and a filter assembly provided by the present invention. The dust cup housing is provided with an air inlet passage and an air outlet passage, and part of the filter screen of the filter assembly is arranged in the air inlet passage , the filter elements of the filter assembly and the filter elements of the remaining parts are arranged in the air outlet channel. Through the above-mentioned reasonable layout, the filter mesh can filter the air once during the air intake process, and the filter mesh and filter elements will also filter the air during the air outlet process. The air is filtered once, so as to realize the two filtering processes of the filter screen and the one filtering process of the filter element, and a total of three air filtering processes, so that the utilization rate of the filter screen is high, and the filtering efficiency of dust is high, thereby improving the filtering effect of the filter assembly.

(5) In the dust cup assembly provided by the present invention, in the filter assembly installation cavity, the air inlet and the air outlet are separated by a partition, and the partition is preferably a spiral partition, and the air entering the dust cup assembly from the air inlet Through the guiding effect of the spiral partition, a fixed rotation direction can be generated, so that the dust can be thrown into the dust collection chamber from the gap, and the dust separation and collection process can be realized.

(6) The dust cup assembly cleaning device provided by the present invention includes a host and the dust cup assembly provided by the present invention. The dust cup assembly is detachably installed on the host, and can realize the two filtering processes of the filter net to the air. The air is filtered sequentially, thereby improving the utilization rate of the filter, improving the filtration efficiency of dust, making the filtering effect of the filter components better, improving the user experience, and meeting the needs of users.

Description of drawings

In order to more clearly illustrate the specific implementation of the present invention or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings that need to be used in the specific implementation or description of the prior art. Obviously, the accompanying drawings in the following description The drawings show some implementations of the present invention, and those skilled in the art can obtain other drawings based on these drawings without any creative work.

Fig. 1 is the schematic diagram of filter assembly of the present invention;

Fig. 2 is the schematic diagram of filter assembly (hidden filter net) of the present invention;

Fig. 3 is a sectional view of the filter assembly of the present invention;

Fig. 4 is a schematic diagram 1 of the dust cup housing in the dust cup assembly of the present invention;

Fig. 5 is a second schematic diagram of the dust cup housing in the dust cup assembly of the present invention;

Fig. 6 is a schematic diagram of the filter assembly of the present invention in the process of being loaded into the dust cup housing;

Fig. 7 is a schematic diagram after the filter assembly of the present invention is installed into the dust cup housing;

Fig. 8 is an overall schematic diagram of the dust cup assembly of the present invention;

Fig. 9 is a schematic diagram of air flow in the dust cup assembly of the present invention.

Explanation of reference signs:

1, bracket; 101, first bracket part; 102, second bracket part; 103, first support column; 104, first connecting plate; 105, second connecting plate; 106, third connecting plate; 107, second Support column; 2, filter element; 3, filter screen; 4, dust cup shell; 401, filter assembly installation cavity; 402, dust collection cavity; 403, gap; 404, air inlet; 405, air outlet; 5, Partition; 6, cover body.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as there is no conflict with each other.

As shown in Figures 1-3, it is a preferred embodiment of the filter assembly of the present invention. The filter assembly is suitable for cleaning devices such as mite removers and vacuum cleaners. The filter in the filter assembly can filter the air twice, so that the utilization rate of the filter is higher, the dust filtration efficiency is higher, and the dust removal rate is high. Make the filtering effect better and improve the user experience.

The filter assembly includes a support 1 , a filter element 2 and a filter net 3 , wherein the support 1 is an integral supporting part of the filter assembly and provides structural strength for the filter assembly. Both the filter element 2 and the filter screen 3 are used to filter the dust in the air, the filter element 2 is arranged in the bracket 1, the filter screen 3 is sleeved outside the bracket 1, and the axial length of the filter screen 3 is greater than that of the filter element 2 The axial length, and the filter element 2 and the filter net 3 are partially overlapped. That is to say, the filter assembly as a whole has an axisymmetric structure.

Further, viewed as a whole, the bracket 1 includes a first bracket part 101 and a second bracket part 102, the first bracket part 101 and the second bracket part 102 are arranged in the axial direction and communicate with each other, the air can flow from the first bracket part 101 The inside of the second bracket part 102 enters the inside. The filter screen 3 is sheathed on the outside of the first bracket part 101 and the second bracket part 102 , and the filter element 2 is set inside the second bracket part 102 . That is to say, the filter element 2 and the filter screen 3 are overlapped at the second support part 102, and the first support part 101 is provided with one layer of filter structure of the filter screen 3, while the second support part 102 is provided with a filter screen 3 and the filter element 2 have a two-layer filter structure, and the filter screen 3 can filter the air twice, so as to realize the full use of the filter screen and improve the filtering efficiency of dust.

Further, the first bracket part 101 includes a first connecting plate 104, a second connecting plate 105 and a plurality of first supporting columns 103, and the two ends of the first supporting column 103 are connected to the first connecting plate 104, the second connecting plate 105 respectively. connected, the first support columns 103 are arranged at intervals in the circumferential direction, and the outer walls of the first support columns 103 are attached to the inner walls of the filter screen 3 . Specifically, the first connecting plate 104 and the second connecting plate 105 are arranged along a direction perpendicular to the axial direction of the bracket 1, and the first supporting column 103 is arranged parallel to the axial direction of the bracket 1. Preferably, the first supporting column 103 is Three, and three first supporting columns 103 are evenly spaced along the circumferential direction, thereby ensuring the structural strength of the filter assembly, making the filter screen 3 difficult to deform. The connection method of 105 can be welding or the like.

Further, the second bracket part 102 includes a third connecting plate 106 and a plurality of second supporting columns 107, the two ends of the second supporting columns 107 are respectively connected with the second connecting plate 105 and the third connecting plate 106, and the second supporting columns 107 are arranged at intervals along the circumferential direction, the outer wall of the second support column 107 is attached to the inner wall of the filter screen 3 , and the inner wall of the second support column 107 is attached to the outer wall of the filter element 2 . Specifically, the third connecting plate 106 is arranged along a direction perpendicular to the axial direction of the bracket 1, and the second supporting columns 107 are arranged parallel to the axial direction of the bracket 1. Preferably, there are three second supporting columns 107, and the three Two support columns 107 are arranged at even intervals along the circumferential direction, thereby further ensuring the structural strength of the filter assembly, making the filter screen 3 difficult to deform, the two ends of the second support column 107 and the second connecting plate 105, the third connecting plate 106 connection Can be welded etc. In this embodiment, for the convenience of structural arrangement, the length directions of the first support column 103 and the second support column 107 coincide.

Further, in this embodiment, the filter assembly as a whole has a frustum-shaped structure, so as to adapt to the installation space.

Preferably, the filter element 2 adopts Hypa net; the filter net 3 adopts a metal filter net. Among them, the metal filter can filter large particles of dust in the air, and the Haipa mesh can filter dust with a smaller diameter, thereby enhancing the filtering effect of the filter assembly. In addition, the filter element 2 is also a cone-shaped structure.

Preferably, the filter element 2 can be snapped into the second bracket part 102, and the filter mesh 3 can tightly wrap the first bracket part 101 and the second bracket part 102, so that the filter assembly becomes an integrated structure, which is convenient for installation and disassembly.

As shown in Figures 4-8, this embodiment also provides a dust cup assembly, including: a dust cup housing 4 and the filter assembly provided by this embodiment, and the dust cup housing 4 is formed with interconnected filter assembly installation cavities 401 and a dust collection chamber 402, the dust collection chamber 402 is used to collect the dust separated from the air, the filter assembly installation chamber 401 is used to install the filter assembly, of course, the filter assembly installation chamber 401 is also provided with a separator for separating the dust in the air Structure, since the present invention does not relate to a specific separation structure, it will not be described in detail.

The shape of the inner wall of the filter assembly installation chamber 401 matches the filter assembly, the filter assembly is installed in the filter assembly installation chamber 401, the dust cup housing 4 is provided with an air inlet passage and an air outlet passage, and part of the filter screen 3 of the filter assembly is arranged on the inlet In the air channel, the filter element 2 of the filter assembly and the filter screen 3 of the rest are arranged in the air outlet channel. That is to say, in the air intake process, the filter screen 3 will filter the air once, and in the air outlet process, the filter screen 3 will also filter the air once, so as to realize the filter screen 3 to filter the air twice. During the process, the filter element 2 also filters the air once, so that the air entering the dust cup assembly can be filtered three times in total, and the filtering effect is good.

Specifically, the filter assembly installation chamber 401 communicates with the dust collection chamber 402 through a notch 403 , and the notch 403 is provided on a side wall adjacent to the filter assembly installation chamber 401 and the dust collection chamber 402 . After the air is filtered and separated in the filter assembly installation cavity 401, the separated dust will enter the dust collection cavity 402 from the gap 403 for collection, and can be poured out manually after being full of dust.

Further, an air inlet 404 and an air outlet 405 are formed on the dust cup housing 4 , the air inlet 404 communicates with the air inlet channel, and the air outlet 405 communicates with the air outlet channel. In this embodiment, the air inlet 404 and the air outlet 405 are arranged on the same side of the dust cup housing 4 , and the air inlet 404 and the air outlet 405 are arranged side by side to facilitate structural arrangement.

Further, in the filter assembly installation cavity 401, the air inlet 404 and the air outlet 405 are separated by a partition 5, and the inner side of the partition 5 has a through hole suitable for installing a filter assembly. Preferably, the partition 5 is a spiral partition, the air entering from the air inlet 404 passes through the guiding effect of the partition 5, and after producing a fixed rotation direction, dust and other sundries in the air will be thrown into the dust collection chamber from the gap 403 402 to collect.

In addition, the dust cup assembly of this embodiment further includes a cover body 6 for realizing the sealing of the dust cup assembly. In this embodiment, there are two covers 6 , covering the two ends of the dust cup housing 4 respectively.

The process of installing the filter assembly of this embodiment into the dust cup housing 4 is described below:

Insert the end of the filter assembly with a smaller diameter into the filter assembly installation cavity 401, and the installation direction is as shown by the arrow in Figure 6. After the filter assembly is completely inserted into the filter assembly installation cavity 401, cover the cover 6 on the dust cup housing 4 , the dust cup assembly is sealed, and the cover body 6 can also be locked by a structure such as a lock to prevent it from falling off.

This embodiment also provides a cleaning device, including a host and the dust cup assembly provided in this embodiment, and the dust cup assembly is detachably installed on the host. The connection mode between the dust cup assembly and the main unit can be a buckle connection or the like. Specifically, the cleaning device in this embodiment is a mite remover. Certainly, the mite removing device of this embodiment also includes other structures and components that are common in existing mite removing devices, and since the present invention does not relate to these structures and components, details will not be described here.

As shown in Figure 9, in order to further understand the working process of the filter assembly of the present embodiment, the filter assembly of the present embodiment is described below in conjunction with the accompanying drawings to the filtration process of the air (the direction of the arrow in Figure 9 is the flow direction of the air):

First, outside air enters the air intake passage from the air inlet 404, and since a part of the filter screen 3 is arranged in the first bracket part 101, the filter screen 3 will filter the incoming air for the first time, and then the air enters the second bracket part 102, the air in the second bracket part 102 will flow in the direction of rotation under the action of the spiral partition, and in the process, the air will be filtered again by the filter element 2 and the filter screen 3, and then discharged from the air outlet 405 , and the filtered dust and other sundries will be thrown into the dust collection cavity 402 from the gap 403 for collection.

In the above process, the filter screen 3 will filter the air twice, and the filter element 2 will filter the air once, that is to say, the air entering the dust cup assembly needs to be filtered three times in total, and the utilization rate of the filter screen is high, so that The filter effect of dust is better.

In other embodiments, the cleaning device can also be a vacuum cleaner.

Apparently, the above-mentioned embodiments are only examples for clear description, rather than limiting the implementation. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. And the obvious changes or changes derived therefrom are still within the scope of protection of the present invention.

Claims (13)

1. A filter assembly, characterized in that, comprising: bracket (1); a filter element (2), arranged in the bracket (1); A filter screen (3), sleeved on the outside of the bracket (1), the axial length of the filter screen (3) is greater than the axial length of the filter element (2), and the filter element (2) It is partially overlapped with the filter screen (3). 2. The filter assembly according to claim 1, characterized in that, the support (1) comprises a first support part (101) and a second support part (102) arranged axially and communicated with each other, the filter The net (3) is sheathed on the outside of the first support part (101) and the second support part (102), and the filter element (2) is arranged inside the second support part (102). 3. The filter assembly according to claim 2, characterized in that, the first support part (101) comprises a first connecting plate (104), a second connecting plate (105) and a plurality of first support columns (103 ), the two ends of the first support column (103) are respectively connected with the first connection plate (104) and the second connection plate (105), and the first support column (103) is circumferentially spaced Arranged, the outer wall of the first support column (103) is attached to the inner wall of the filter screen (3). 4. The filter assembly according to claim 3, characterized in that, the second support part (102) comprises a third connecting plate (106) and several second support columns (107), and the second support columns The two ends of (107) are respectively connected with the second connection plate (105) and the third connection plate (106), the second support columns (107) are arranged at intervals in the circumferential direction, and the second support columns The outer wall of (107) is attached to the inner wall of the filter screen (3), and the inner wall of the second support column (107) is attached to the outer wall of the filter element (2). 5. The filter assembly according to claim 1, characterized in that, the filter element (2) is a Hypanel net; the filter screen (3) is a metal filter screen. 6. The filter assembly according to any one of claims 1-5, characterized in that, the filter assembly has a frustum-shaped structure. 7. A dust cup assembly, characterized in that it comprises: a dust cup housing (4) and a filter assembly as claimed in any one of claims 1-6, the dust cup housing (4) is formed with mutual Connected filter assembly installation chamber (401) and dust collection chamber (402), the filter assembly is installed in the filter assembly installation chamber (401), the dust cup housing (4) is provided with an air intake channel and Air outlet channel, part of the filter screen (3) of the filter assembly is arranged in the air intake channel, the filter element (2) of the filter assembly and the filter screen (3) of the rest are arranged in the air outlet channel Inside. 8. The dust cup assembly according to claim 7, characterized in that, the filter assembly installation cavity (401) communicates with the dust collection cavity (402) through a gap (403), and the gap (403) It is arranged on the side wall adjacent to the filter assembly installation cavity (401) and the dust collection cavity (402). 9. The dust cup assembly according to claim 7, characterized in that, an air inlet (404) and an air outlet (405) are formed on the dust cup housing (4), and the air inlet (404) The air outlet (405) communicates with the air inlet passage, and the air outlet (405) communicates with the air outlet passage. 10. The dust cup assembly according to claim 9, characterized in that, in the filter assembly installation cavity (401), a partition is passed between the air inlet (404) and the air outlet (405) (5) Partitioning, the inner side of the partition (5) has a through hole suitable for installing the filter assembly. 11. The dust cup assembly according to claim 10, characterized in that, the partition (5) is a spiral partition. 12. A cleaning device, characterized by comprising a host and the dust cup assembly according to any one of claims 7-11, the dust cup assembly being detachably mounted on the host. 13. The cleaning device according to claim 12, characterized in that, the cleaning device is a mite remover or a vacuum cleaner.

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