CN211324700U - Filter piece and dust catcher - Google Patents
Filter piece and dust catcher Download PDFInfo
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- CN211324700U CN211324700U CN201921931502.0U CN201921931502U CN211324700U CN 211324700 U CN211324700 U CN 211324700U CN 201921931502 U CN201921931502 U CN 201921931502U CN 211324700 U CN211324700 U CN 211324700U
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- 239000000428 dust Substances 0.000 title claims abstract description 51
- 238000001914 filtration Methods 0.000 claims abstract description 117
- 238000005204 segregation Methods 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 21
- 230000007423 decrease Effects 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 4
- 230000005484 gravity Effects 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004887 air purification Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to a filter piece and dust catcher, include: the first filtering part is provided with a through hole in an axial penetrating manner; the second filtering part is arranged outside the first filtering part in a surrounding way, and a first filtering channel is defined between the second filtering part and the first filtering part; the axial one end of second filter house with the one end interconnect that first filter house is located the homonymy, the axial other end of second filter house with the other end alternate segregation that first filter house is located the homonymy forms first air inlet, first air inlet communicate in the external world with between the first filtration passageway. Above-mentioned filter piece and dust catcher, the first filter house and the dust that carries in the equal filterable wind of second filter house of filter piece, and filter area is great to the air flow of dust catcher has been increased, and can not lead to the increase of the volume and the gravity of dust catcher.
Description
Technical Field
The utility model relates to an air purification technical field especially relates to a filter piece and dust catcher.
Background
The development of the dust collector is increasing, which greatly facilitates the daily cleaning work of people, and meanwhile, the requirements of users on various performances of the dust collector are also increasing, such as cleaning performance, aesthetic property and operability.
The dust collector mainly comprises a motor assembly, an air duct assembly, a dust cup assembly and the like, the pneumatic efficiency of the whole dust collector needs to be improved in order to improve the cleaning performance, the air duct of the whole dust collector needs to be enlarged in order to improve the pneumatic efficiency of the whole dust collector, the air flow of the dust collector is increased, the size and the weight of the whole dust collector are larger, and the operability is reduced.
SUMMERY OF THE UTILITY MODEL
Accordingly, it is necessary to provide a filter member and a vacuum cleaner which can increase the air flow rate of the vacuum cleaner without increasing the volume and gravity thereof, in order to solve the problem that the conventional vacuum cleaner would increase the volume and weight of the whole vacuum cleaner in order to increase the air flow rate.
A filter element, comprising:
the first filtering part is provided with a through hole in an axial penetrating manner;
the second filtering part is arranged outside the first filtering part in a surrounding way, and a first filtering channel is defined between the second filtering part and the first filtering part;
the axial one end of second filter house with the one end interconnect that first filter house is located the homonymy, the axial other end of second filter house with the other end alternate segregation that first filter house is located the homonymy forms first air inlet, first air inlet communicate in the external world with between the first filtration passageway.
In one embodiment, at least a portion of at least one of the first filter portion and the second filter portion is disposed obliquely with respect to an axial direction of the through hole.
In one embodiment, the first filter passage has a cross-sectional area gradually decreasing from an end close to the first inlet port to an end far from the first inlet port in an axial direction of the through hole.
In one embodiment, in the axial direction of the through hole, the first filter part comprises at least two first sub-filter parts connected with each other, every two adjacent first sub-filter parts are arranged in a mutually bent manner, and the first filter channel is defined between all the first sub-filter parts and the second filter part; and/or
The second filtering part comprises at least two second sub-filtering parts which are connected with each other, every two adjacent second sub-filtering parts are arranged in a mutually bent mode, and the first filtering channel is formed by all the second sub-filtering parts and the first filtering part in a defined mode.
In one embodiment, the second filter part comprises two second sub-filter parts, wherein one of the second sub-filter parts is connected between the other second sub-filter part and the first filter part and is perpendicular to the axial direction of the through hole;
the other second sub-filtering portion and the first filtering portion are obliquely arranged relative to the axial direction of the through hole, and one ends, far away from the first sub-filtering portion, of the other second sub-filtering portion and the first filtering portion are far away from each other.
In one embodiment, the second filter part is bent to form a second filter channel surrounding the periphery of the first filter channel, the second filter channel is provided with a second air inlet communicated with the outside, and the second air inlet and the first air inlet are located at the same axial end of the through hole.
In one embodiment, the second filtering passage has a cross-sectional area gradually decreasing from an end close to the second inlet port to an end far from the second inlet port in an axial direction of the through hole.
In one embodiment, the filter member includes a support member and a filter net, the support member includes a first support portion and a second support portion connected to each other, the filter net includes a first filter net and a second filter net connected to each other, the first filter net is supported by the first support portion and forms the first filter portion with the first support portion, and the second filter net is supported by the second support portion and forms the second filter portion with the second support portion.
A dust collector comprises the filter element as well as an air duct assembly, a dust cup assembly and a motor assembly which are sequentially arranged along the airflow direction;
the air duct assembly comprises an air inlet pipe, the dust cup assembly comprises a separator, the air inlet pipe is in butt joint with the separator, the filtering piece is arranged outside the air inlet pipe through the through hole sleeve, and the motor assembly is communicated between the filtering piece and the outside.
Above-mentioned filter piece and dust catcher, the first filter house and the dust that carries in the equal filterable wind of second filter house of filter piece, and filter area is great to the air flow of dust catcher has been increased, and can not lead to the increase of the volume and the gravity of dust catcher.
In one embodiment, the air duct assembly further comprises an air duct shell, the air duct shell is connected with the outer surface of the air inlet pipe and defines a first air outlet channel communicated with the motor assembly with the air inlet pipe;
the dust collector further comprises a first sealing ring and a second sealing ring, the first sealing ring is arranged in a sealing mode, the first filtering portion is far away from one end of the second filtering portion, the air inlet pipe is arranged between the first filtering portion and the second filtering portion, and the second sealing ring is arranged in a sealing mode, the second filtering portion is far away from one end of the first filtering portion, and the air duct shell is arranged between the first filtering portion and the second filtering portion.
Drawings
Fig. 1 is a schematic diagram of a filter according to an embodiment of the present invention;
FIG. 2 is a block diagram of a vacuum cleaner including the filter element of FIG. 1 according to one embodiment of the present invention;
FIG. 3 is a cross-sectional view of an assembled view of the vacuum cleaner shown in FIG. 2;
fig. 4 is a cross-sectional view of the filter element shown in fig. 1.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, an embodiment of the present invention provides a filter member 90 disposed on a dust removing device for filtering dust contained in air. Referring to fig. 2, the dust removing device may be a vacuum cleaner 100 or an air cleaner, which is suitable for the dust removing device provided with the filter element 90, and is not limited herein.
The following describes the technical solution of the present application in detail, taking the vacuum cleaner 100 as an example. The present embodiment is only for exemplary purposes and does not limit the technical scope of the present application. In addition, the drawings in the embodiments omit unnecessary components to clearly show the technical features of the application.
Referring to fig. 2 and 3, the vacuum cleaner 100 includes a main housing 10, an air duct assembly 20, a dust cup assembly 30, and a motor assembly 40, wherein a receiving cavity 11 having an air inlet 12 and an air outlet 13 is formed in the main housing 10, the air duct assembly 20, the dust cup assembly 30, and the motor assembly 40 are at least partially received in the receiving cavity 11, the air duct assembly 20 is communicated with the air inlet 12 for air intake, the dust cup assembly 30 is in butt joint with the air duct assembly 20 for collecting dust carried in air, the motor assembly 40 is communicated with the air outlet 13 for generating negative pressure in the main housing 10 to enable the air to enter the dust cup assembly 30 from the air duct assembly 20 and flow out from the air outlet 13, and dust-carrying gas entering the dust cup assembly 30 can form a rotating airflow under the cyclone effect generated by the motor assembly 40 and realize gas-dust separation under the effect of centrifugal force.
Specifically, the air duct assembly 20 includes an air duct shell 22, an air inlet pipe 21 and an air outlet pipe 23, a first air inlet channel 50 is formed in the air inlet pipe 21, the air duct shell 22 is connected with the outer surface of the air inlet pipe 21, a first air outlet channel 70 is defined and formed between the air duct shell 22 and the air inlet pipe 21, the air outlet pipe 23 is communicated with the air duct shell 22, a second air outlet channel communicated with the first air outlet channel 70 is formed in the air outlet pipe 23, and the second air outlet channel is communicated with the air outlet 13 through the motor assembly 40; the dust cup assembly 30 comprises a dust cup 31 and a separator 32, the separator 32 is located in the dust cup 31, the separator 32 comprises an inner tube and a filter shell, the inner tube is in butt joint with the air inlet tube 21, a second air inlet channel 60 is formed in the inner tube, the filter shell is connected with the outer surface of the inner tube, a third air outlet channel 80 communicated with a dust collecting cavity of the dust cup 31 is defined between the filter shell and the inner tube, and the third air outlet channel 80 is communicated with the first air outlet channel 70.
During operation, under motor element 40's effect, external wind gets into first inlet air channel 50 from air intake 12 to get into second inlet air channel 60 through first inlet air channel 50, then carry out the dirt gas separation in getting into dirt cup 31, the gas after the separation gets into third air-out passageway 80 after filtering piece 90 filters, and get into first air-out passageway 70 from third air-out passageway 80, get into the second air-out passageway from first air-out passageway 70, and flow to the external world from main casing body 10's air outlet 13 through motor element 40, the completion circulation.
Referring to fig. 2 and 3, the vacuum cleaner 100 further includes a filtering element 90, the filtering element 90 is disposed between the air inlet pipe 21 and the air duct shell 22 (located in the first air outlet channel 70), and is configured to filter the air flowing out from the third air outlet channel 80, and the air filtered by the filtering element 90 enters the second air outlet channel from the first air outlet channel 70 and flows to the air outlet 13.
Continuing to refer to fig. 1, specifically, filter element 90 includes first filter portion 91 and second filter portion 92, first filter portion 91 has been seted up through-hole 913 along the axial run-through, second filter portion 92 surrounds and sets up outside first filter portion 91 to with first filter portion 91 between the definition form first filtration passageway 93, the one end interconnect that second filter portion 92 axial one end and first filter portion 91 are located the homonymy, the other end that second filter portion 92 axial other end and first filter portion 91 are located the homonymy separates each other and forms first air inlet, first air inlet communicates between external world and first filtration passageway 93.
Thus, the air flowing out from the third air outlet channel 80 enters the first filtering channel 93 from the first air inlet, and after being filtered by the first filtering portion 91 and the second filtering portion 92, enters the first air outlet gap and the second air outlet gap respectively, enters the first air outlet channel 70, and flows out from the first air outlet channel 70 to the second air outlet channel. Because the filter element 90 can filter dust in wind through the first filter part 91 and the second filter part 92, compared with the filter element 90 in the prior art, the filter element 90 has a larger filter area, thereby increasing the air flow of the dust collector 100 and not causing the increase of the volume and gravity of the dust collector 100.
Referring to fig. 1 and 3, specifically, the vacuum cleaner 100 further includes a first sealing ring 110, where the first sealing ring 110 is disposed between an end of the first filtering portion 91 far from the second filtering portion 92 and the air inlet duct 21 in a sealing manner, so as to seal between an end of the first filtering portion 91 far from the second filtering portion 92 and the air inlet duct 21, and prevent the air flowing out of the third air outlet channel 80 from directly overflowing from a gap between the first filtering portion 91 and the air inlet duct 21 to flow into the second air outlet channel without being filtered by the first filtering portion 91; and the first sealing ring 110 is disposed so as not to interfere with the connection end of the first filter part 91 and the second filter part 92 and the air inlet pipe 21 to form a first air outlet gap.
Further, the vacuum cleaner 100 further includes a second sealing ring 120, the second sealing ring 120 is disposed between one end of the second filtering portion 92 far away from the first filtering portion 91 and the air duct shell 22, so that the end of the second filtering portion 92 far away from the first filtering portion 91 is sealed with the air duct shell 22, and it is avoided that the air flowing out of the third air outlet channel 80 directly overflows from a gap between the second filtering portion 92 and the air duct shell 22 and flows to the second air outlet channel without being filtered by the second filtering portion 92; and the second sealing ring 120 is disposed so as not to interfere with the second air outlet gap formed between the end of the second filter portion 92 connected to the first filter portion 91 and the air duct shell 22.
Referring to fig. 4, in one embodiment, the filter member 90 includes a support member and a filter mesh, the support member includes a first support portion 911 and a second support portion 921, the filter mesh includes a first filter mesh 912 and a second filter mesh 922 connected to each other, the first filter mesh 912 is supported by the first support portion 911 and forms a first filter portion 91 with the first support portion 911, and the second filter mesh 922 is supported by the second filter portion 92 and forms a second filter portion 92 with the second support portion 921. Through setting up to include supporting part and filter screen with filtering piece 90 to guaranteed to filter piece 90's intensity, difficult emergence is out of shape under the pressure effect of wind when filtering.
In one embodiment, the first filter portion 91 includes at least two first sub-filter portions connected to each other along the axial direction of the through hole 913, every two adjacent first filter portions 91 are bent to form a first filter passage 93, and all the first sub-filter portions and the second filter portion 92 define therebetween, so that the filter area of the first filter portion 91 is increased.
Referring to fig. 4, specifically, the second filtering portion 92 includes at least two second sub-filtering portions 923 connected to each other, each two adjacent second sub-filtering portions 923 are bent to each other, a first filtering channel 93 is defined between all the second sub-filtering portions 923 and the first filtering portion 91, and thus the filtering area of the second filtering portion 92 is increased.
It is understood that in other embodiments, only the first filter portion 91 may include at least two first sub-filter portions connected to each other, and the second filter portion 92 may have a non-bent structure; alternatively, the second filter portion 92 includes at least two second sub-filter portions 923 connected to each other, and the first filter portion 91 is of a non-bent structure, which is not limited herein.
In one embodiment, at least a portion of at least one of the first filter portion 91 and the second filter portion 92 is disposed obliquely with respect to the axial direction of the through hole 913. Since the wind flowing out of the third wind outlet passage 80 enters the first filtering passage 93 from the first air inlet of the first filtering passage 93 along the axial direction of the through hole 913, when at least a portion of the first filtering portion 91 and/or the second filtering portion 92 is disposed obliquely with respect to the axial direction of the through hole 913, the filtering area of the first filtering portion 91 and/or the second filtering portion 92 can be increased in the limited space defined by the air inlet duct 21 and the duct case 22.
Referring to fig. 4, in an embodiment, the second filter portion 92 includes two second sub-filter portions 923, and the first filter portion 91 is of a non-bent structure. One of them second sub-filter portion 923 is connected between another one of them second sub-filter portion 923 and first filter portion 91 and is perpendicular to the axial of through-hole 913, wherein another second sub-filter portion 923 and first filter portion 91 are all set up for the axial slope of through-hole 913, wherein one end that another second sub-filter portion 923 and first filter portion 91 kept away from one of them first sub-filter portion is kept away from each other, so make first filtration passageway 93 in the axial of through-hole 913 from the one end that is close to first air inlet to the sectional area of the one end that keeps away from first air inlet reduce gradually, can be convenient for the wind that flows out from third air-out passageway 80 gets into in first filtration passageway 93 from first air inlet.
It is understood that, in other embodiments, the purpose of the first filtering channel 93 gradually decreasing the cross-sectional area from the end close to the first air inlet to the end far from the first air inlet in the axial direction of the through hole 913 may also be achieved by other arrangements, for example, if the first filtering portion 91 and the second filtering portion 92 are both arranged in a non-bent structure, the first filtering portion 91 and the second filtering portion 92 are both arranged obliquely with respect to the axial direction of the through hole 913, and the ends which are not connected with each other are far away from each other.
In one embodiment, the second filtering portion 92 is bent to form a second filtering channel having a second air inlet, the second filtering channel is disposed around the outer periphery of the first filtering channel 93, the second air inlet and the first air inlet are located at the same axial end of the through hole 913, and the second filtering channel is communicated with the third air outlet channel 80, so as to further increase the filtering area of the filtering member 90.
Specifically, along the axial direction of the through hole 913, the cross-sectional area of the second filtering channel decreases gradually from the end close to the second air inlet to the end far away from the second air inlet, that is, the cross-sectional area of the second filtering channel at the second air inlet is the largest, so that the wind of the third wind outlet channel 80 enters the second filtering channel from the second air inlet.
An embodiment of the present invention further provides a vacuum cleaner 100 including the filter member 90.
The embodiment of the utility model provides a filter piece 90 and dust catcher 100 has following beneficial effect:
1. the first filter part 91 and the second filter part 92 of the filter element 90 can filter dust carried in wind, and the filter area is large, so that the air flow of the dust collector 100 is increased, and the increase of the volume and the gravity of the dust collector 100 is avoided;
2. in the axial direction of the through hole 913, the first filtering portion 91 includes at least two first sub-filtering portions connected to each other, each two adjacent first filtering portions 91 are bent from each other, the second filtering portion 92 includes at least two second sub-filtering portions 923 connected to each other, and each two adjacent second sub-filtering portions 923 are bent from each other, so that the filtering area of the filtering member 90 is further increased, and the air flow of the vacuum cleaner 100 is further increased;
3. in the axial direction of the through hole 913, the cross-sectional area of the first filtering passage 93 decreases from the end close to the first air inlet to the end far from the first air inlet, so that it can be ensured that at least a part of at least one of the first filtering portion 91 and the second filtering portion 92 is disposed obliquely with respect to the axial direction of the through hole 913 to increase the filtering area, and it can be facilitated that wind enters the first filtering passage 93 from the first air inlet from the outside.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A filter element, comprising:
a first filter part (91) which is provided with a through hole (913) along the axial direction;
the second filtering part (92) is arranged outside the first filtering part (91) in a surrounding mode, and a first filtering channel (93) is defined between the second filtering part and the first filtering part (91);
the axial one end of second filter portion (92) with first filter portion (91) are located the one end interconnect of homonymy, the axial other end of second filter portion (92) with first filter portion (91) are located the other end alternate segregation of homonymy and form first air inlet, first air inlet communicate in the external world with between first filtration passageway (93).
2. The filter element according to claim 1, wherein at least a portion of at least one of the first filter portion (91) and the second filter portion (92) is arranged obliquely with respect to an axial direction of the through hole (913).
3. The filter element according to claim 1 or 2, characterized in that the first filter passage (93) has a cross-sectional area that decreases from an end close to the first inlet opening to an end remote from the first inlet opening in the axial direction of the through-hole (913).
4. The filter element according to claim 1 or 2, wherein, in an axial direction of the through hole (913), the first filter portion (91) comprises at least two first sub-filter portions connected to each other, each two adjacent first sub-filter portions are arranged bent to each other, and all the first sub-filter portions and the second filter portion (92) define the first filter passage (93) therebetween; and/or
The second filter part (92) comprises at least two second sub-filter parts (923) connected with each other, every two adjacent second sub-filter parts (923) are mutually bent and arranged, and all the second sub-filter parts (923) and the first filter parts (91) define and form the first filter channel (93).
5. The filter element according to claim 1 or 2, wherein the second filter portion (92) comprises two second sub-filter portions (923), wherein one of the second sub-filter portions (923) is connected between the other one of the second sub-filter portions (923) and the first filter portion (91) and is perpendicular to an axial direction of the through hole (913);
wherein another second sub-filter portion (923) and first filter portion (91) are all arranged in an inclined manner relative to the axial direction of the through hole (913), and one end of the another second sub-filter portion (923) and the one end of the first filter portion (91) away from the one first sub-filter portion are away from each other.
6. The filter element according to claim 1, wherein the second filter portion (92) is bent on itself to form a second filter passage surrounding the outer periphery of the first filter passage (93), the second filter passage having a second inlet port communicating with the outside, the second inlet port being located at the same axial end of the through hole (913) as the first inlet port.
7. The filter element according to claim 6, characterised in that the second filter passage in the axial direction of the through-hole (913) decreases in cross-sectional area from an end close to the second inlet opening to an end remote from the second inlet opening.
8. A filter element as claimed in claim 1, characterised in that it comprises a support element comprising a first support portion (911) and a second support portion (921) connected to each other, and a filter web comprising a first filter web (912) and a second filter web (922) connected to each other, the first filter web (912) being supported on the first support portion (911) and forming with the first support portion (911) the first filtering portion (91), the second filter web (922) being supported on the second support portion (921) and forming with the second support portion (921) the second filtering portion (92).
9. A vacuum cleaner, comprising a filter element according to any one of claims 1 to 8, and an air duct assembly (20), a dirt cup assembly (30) and a motor assembly (40) arranged in that order in the direction of air flow;
wind channel subassembly (20) include air-supply line (21), dirt cup subassembly (30) include separator (32), air-supply line (21) with separator (32) butt joint, filter piece and pass through-hole (913) cover is located outside air-supply line (21), motor element (40) communicate in filter between and the external world.
10. The vacuum cleaner of claim 9, wherein the air duct assembly (20) further comprises an air duct casing (22), the air duct casing (22) is connected to the outer surface of the air inlet pipe (21) and defines a first air outlet channel (70) communicated with the motor assembly (40) with the air inlet pipe (21);
the dust collector further comprises a first sealing ring (110) and a second sealing ring (120), the first sealing ring (110) is arranged between one end, far away from the second filtering portion (92), of the first filtering portion (91) and the air inlet pipe (21) in a sealing mode, the second sealing ring (120) is arranged between one end, far away from the first filtering portion (91), of the second filtering portion (92) and the air duct shell (22) in a sealing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921931502.0U CN211324700U (en) | 2019-11-08 | 2019-11-08 | Filter piece and dust catcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921931502.0U CN211324700U (en) | 2019-11-08 | 2019-11-08 | Filter piece and dust catcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211324700U true CN211324700U (en) | 2020-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921931502.0U Active CN211324700U (en) | 2019-11-08 | 2019-11-08 | Filter piece and dust catcher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211324700U (en) |
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2019
- 2019-11-08 CN CN201921931502.0U patent/CN211324700U/en active Active
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