CN210520900U - Separator and dust extraction - Google Patents
Separator and dust extraction Download PDFInfo
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- CN210520900U CN210520900U CN201921068847.8U CN201921068847U CN210520900U CN 210520900 U CN210520900 U CN 210520900U CN 201921068847 U CN201921068847 U CN 201921068847U CN 210520900 U CN210520900 U CN 210520900U
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Abstract
The utility model relates to a separator and dust extraction, dust extraction includes the separator, and the separator includes: the first separation body is provided with a first inner cavity and a first inlet communicated with the first inner cavity; and the second separation body is arranged in the first inner cavity, a separation cavity is formed between the second separation body and the first separation body, the second separation body is provided with a second inner cavity and a second inlet communicated with the second inner cavity, and the second inlet is communicated with the separation cavity. In the separator, the mixture of the gas and the dust particles firstly enters the separation cavity through the first inlet of the first separation body to separate the dust particles with larger mass and density from the air, so that primary separation is realized, and the dust particles with smaller mass and density enter the second inner cavity from the separation cavity through the second inlet positioned in the second separation body to be further separated. The separator can separate the mixture of gas and dust particles layer by layer, and the separation effect is good.
Description
Technical Field
The utility model relates to a dust catcher technical field especially relates to a separator and dust extraction.
Background
With the increasing social economy and consumption level, the requirements of users on dust collectors are higher and higher. At present, a separator for separating gas and dust in a dust collector generally has the problem of poor separation effect, so that the dust enters a motor and the service life of the motor is influenced; more seriously, the motor does not have the capability of filtering dust, and the dust passing through the motor can be finally discharged to the outside, so that the environment is polluted, and the health of a human body is influenced.
SUMMERY OF THE UTILITY MODEL
Accordingly, there is a need for a separator and a dust suction apparatus having a good separation effect.
The technical scheme is as follows:
a separator, comprising: the first separation body is provided with a first inner cavity and a first inlet communicated with the first inner cavity; and the second separation body is arranged in the first inner cavity, a separation cavity is formed between the second separation body and the first separation body, the second separation body is provided with a second inner cavity and a second inlet communicated with the second inner cavity, and the second inlet is communicated with the separation cavity.
In the separator, the mixture of the gas and the dust particles firstly enters the separation cavity through the first inlet of the first separation body to separate the dust particles with larger mass and density from the air, so that primary separation is realized, and the dust particles with smaller mass and density enter the second inner cavity from the separation cavity through the second inlet positioned in the second separation body to be further separated. The separator can separate the mixture of gas and dust particles layer by layer, and the separation effect is good.
The technical solution is further explained below:
in one embodiment, the first separation body comprises a curved first separation plate, the first separation plate encloses the first inner cavity, and the first inlet is opened on the first separation plate; the second separator includes crooked second separator plate, the second separator plate set up in the first inner chamber, just the second separator plate with first separator plate interval sets up and forms the separation chamber, the second separator plate encloses to establish and forms the second inner chamber, the second import is seted up in on the second separator plate.
In one embodiment, the first separator plate is annular in cross-section; and/or the second separator plate is annular in cross-section.
In one embodiment, the first separation body further includes a first air guiding plate and a second air guiding plate, the first air guiding plate is connected to one side wall of the first inlet, the second air guiding plate is connected to the other side wall of the first inlet, and the first air guiding plate and the second air guiding plate are arranged opposite to each other at an interval.
In one embodiment, the first air deflector is tangent to the first separating plate, and the second air deflector is spaced apart from the first air deflector; or the second air deflector is tangent to the first separating plate, and the first air deflector and the second air deflector are arranged at intervals; or the first air deflector and the second air deflector are tangent to the first separating plate.
In one embodiment, the first separating plate, the first air guiding plate and the second air guiding plate are an integrated structure.
In one embodiment, the second separation body further includes a third air guiding plate and a fourth air guiding plate, the third air guiding plate is connected to one side wall of the second inlet, the fourth air guiding plate is connected to the other side wall of the second inlet, and the third air guiding plate and the fourth air guiding plate are arranged opposite to each other at an interval.
In one embodiment, the third air deflector is tangent to the second separator plate, and the fourth air deflector is spaced apart from the third air deflector; or the fourth air deflector is tangent to the second separating plate, and the third air deflector and the fourth air deflector are arranged at intervals; or the third air deflector and the fourth air deflector are tangent to the second separating plate.
In one embodiment, the second separating plate, the third air guiding plate and the fourth air guiding plate are an integrated structure.
In one embodiment, the number of the first inlets is at least two, and at least two first inlets are arranged at intervals along the circumferential direction of the first separation body;
and/or the number of the second inlets is at least two, and the at least two second inlets are arranged at intervals along the circumferential direction of the second separation body.
In one embodiment, the number of the first inlets is at least two, and at least two first inlets are uniformly spaced along the circumferential direction of the first separation body;
and/or the number of the second inlets is at least two, and the at least two second inlets are uniformly arranged at intervals along the circumferential direction of the second separation body.
In one embodiment, the first inlet is offset from the second inlet.
In one embodiment, the first separation body is further provided with a first dust outlet communicated with the first inner cavity, and the first dust outlet is positioned below the first inlet in the gravity direction;
and/or the second separation body is also provided with a second dust outlet communicated with the second inner cavity, and the second dust outlet is positioned below the second inlet along the gravity direction.
In one embodiment, the first separation body is further provided with a first dust outlet communicated with the first inner cavity, the first dust outlet is positioned below the first inlet along the gravity direction, and the cross-sectional area of the first inner cavity decreases from the first inlet to the first dust outlet;
and/or the second separation body is also provided with a second dust outlet communicated with the second inner cavity, the second dust outlet is positioned below the second inlet along the gravity direction, and the cross sectional area of the second inner cavity decreases progressively from the second inlet to the second dust outlet.
In one embodiment, the first separation body is further provided with a first air outlet communicated with the first inner cavity, and the first air outlet is positioned above the first inlet along the gravity direction;
and/or the second separation body is also provided with a second air outlet communicated with the second inner cavity, and the second air outlet is positioned above the second inlet along the gravity direction.
In one embodiment, the separator further comprises a connecting body, and the first and second separators are connected by the connecting body.
The technical scheme also provides a dust suction device which comprises the separator.
In the dust suction device, the mixture of the air and the dust particles firstly enters the separation cavity through the first inlet of the first separation body to separate the dust particles with larger mass and density from the air, so that primary separation is realized, and the dust particles with smaller mass and density enter the second inner cavity from the separation cavity through the second inlet positioned in the second separation body to be further separated. The separator can separate the mixture of gas and dust particles layer by layer, and the separation effect is good.
Drawings
Fig. 1 is a schematic structural diagram of a separator according to an embodiment of the present invention;
fig. 2 is a schematic top view of a separator according to an embodiment of the present invention;
fig. 3 is a schematic sectional view of the separator shown in fig. 2 along a-a direction.
Description of reference numerals:
10. the separator comprises a separator body 11, a separation cavity 100, a first separation body 101, a first separation plate 102, a first air deflector 103, a second air deflector 110, a first inner cavity 120, a first inlet 130, a first dust outlet 140, a first air outlet 200, a second separation body 201, a second separation plate 202, a third air deflector 203, a fourth air deflector 210, a second inner cavity 220, a second inlet 230, a second dust outlet 240, a second air outlet 300 and a connecting body.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
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 and do not represent the only embodiments.
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 herein in the description of the invention 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.
In the present invention, the terms "first" and "second" do not denote any particular quantity or order, but are merely used to distinguish names.
As shown in fig. 1-3, one embodiment relates to a separator 10 including a first separator body 100 and a second separator body 200. The first separation body 100 is provided with a first inner cavity 110 and a first inlet 120 communicated with the first inner cavity 110; the second separation body 200 is disposed in the first inner cavity 110, a separation cavity 11 is formed between the second separation body 200 and the first separation body 100, the second separation body 200 is provided with a second inner cavity 210 and a second inlet 220 communicated with the second inner cavity 210, and the second inlet 220 is communicated with the separation cavity 11.
Specifically, the first separation body 100 includes a curved first separation plate 101, the first separation plate 101 is enclosed to form a first inner cavity 110, and the first inlet 120 is opened on the first separation plate 101. The first separating plate is curved and moves along the inner wall of the first separating plate 101 when the mixture of air and dust particles enters the separating chamber 11 through the first inlet 120, so that the dust particles are centrifugally separated from the air; the second separation body 200 includes a curved second separation plate 201, the second separation plate 201 is disposed in the first inner cavity 110, the second separation plate 201 and the first separation plate 101 are disposed at an interval to form the separation cavity 11, the second separation plate 201 surrounds to form a second inner cavity 210, and the second inlet 220 is opened on the second separation plate 201. The second separating plate 201 is curved and moves along the inner wall of the second separating plate 201 when the mixture of air and dust particles enters the second inner chamber 210 through the second inlet 220, so that the dust particles are separated from the air by centrifugation.
More specifically, the cross section of the first separating plate 101 is annular, so that after the mixture of gas and dust particles enters the separating chamber 11, the mixture can make a circular motion along the inner wall of the first separating plate 101, so that the gas and dust particles are continuously separated, and the separation rate is improved. The second separator plate 201 is annular in cross-section. Thus, after the mixture of the gas and the dust particles enters the second inner cavity 210, the mixture can move circularly along the inner wall of the second separating plate 201, so that the gas and the dust particles are continuously separated, and the separation rate is improved. Wherein the radius of the second separation plate 201 is smaller than the radius of the first separation body 100.
In the above separator 10, the mixture of gas and dust particles firstly enters the separation chamber 11 through the first inlet 120 of the first separation body 100 to separate the dust particles with larger mass and density from the air, so as to realize the first-stage separation, and the dust particles with smaller mass and density enter the second inner cavity 210 from the separation chamber 11 through the second inlet 220 located in the second separation body 200 for further separation. The separator 10 can separate the mixture of gas and dust particles layer by layer, and has good separation effect. Wherein the direction indicated by the solid line with arrows in fig. 2 is the moving path of the mixture of gas and dust particles.
As shown in fig. 1-2, particularly in the present embodiment, since the mixture of gas and dust particles contains dust particles and gas with different densities and masses, and the radius of curvature of the first separating plate 101 is larger than that of the second separating plate 201, when the mixture enters the separating chamber 11 through the first inlet 120, the dust particles and gas with larger densities and masses are separated in the separating chamber 11, and the dust particles and gas with smaller densities and masses are separated in the second inner chamber through the second inlet 220.
As shown in fig. 1-2, in one embodiment, the first separation body 100 further includes a first wind guiding plate 102 and a second wind guiding plate 103, the first wind guiding plate 102 is connected to one sidewall of the first inlet 120, the second wind guiding plate 103 is connected to the other sidewall of the first inlet 120, and the first wind guiding plate 102 and the second wind guiding plate 103 are disposed opposite to each other at a distance. The first air deflector 102 and the second air deflector 103 are matched to form an air guide opening communicated with the first inlet 120, so that a mixture of air and dust particles can be guided into the separation cavity 11, and the separation efficiency is improved.
Further, the first air deflector 102 is tangent to the first separating plate 101, and the second air deflector 103 is parallel to and spaced from the first air deflector 102; or the second air deflector 103 is tangent to the first separating plate 101, and the first air deflector 102 and the second air deflector 103 are arranged in parallel and at intervals; or the first wind deflector 102 and the second wind deflector 103 are tangent to the first separating plate 101. Thus, the initial stage when the mixture of gas and dust particles enters the separation chamber 11 can obtain a velocity in a direction tangential to the first separation plate 101 and perform a centrifugal separation movement along the inner wall of the first separation plate 101, thereby improving the separation efficiency.
In one embodiment, the first separating plate 102 and the second air guiding plate 103 are an integral structure. Therefore, the first separating plate 101, the first air guiding plate 102 and the second air guiding plate 103 can be integrally formed in an injection molding mode, manufacturing is convenient, no intermediate connecting piece is arranged among the first separating plate 101, the first air guiding plate 102 and the second air guiding plate 103, assembly is not needed, and the structure is simple.
In one embodiment, the second separation body 200 further includes a third wind guiding plate 202 and a fourth wind guiding plate 203, the third wind guiding plate 202 is connected to one sidewall of the second inlet 220, the fourth wind guiding plate 203 is connected to the other sidewall of the second inlet 220, and the third wind guiding plate 202 and the fourth wind guiding plate 203 are disposed opposite to each other at an interval. The third air deflector 202 and the fourth air deflector 203 are matched to form an air guide opening communicated with the second inlet 220, so that a mixture of air and dust particles can be guided into the second inner cavity 210, and the separation efficiency is improved.
Further, the third air deflector 202 is tangent to the second separating plate 201, and the fourth air deflector 203 and the third air deflector 202 are parallel and spaced; or the fourth air deflector 203 is tangent to the second separating plate 201, and the third air deflector 202 and the fourth air deflector 203 are arranged in parallel and at intervals; or the fourth air deflector 203 and the third air deflector 202 are both tangent to the second separator plate 201. Thus, the initial stage when the mixture of gas and dust particles enters the second cavity 210 can obtain a velocity tangential to the second separation plate 201 and perform a centrifugal separation motion along the inner wall of the second separation plate 201, thereby improving the separation efficiency.
In one embodiment, the second separating plate 201, the third air guiding plate 202 and the fourth air guiding plate 203 are an integral structure. Therefore, the second separating plate 201, the third air guiding plate 202 and the fourth air guiding plate 203 can be integrally formed in an injection molding mode, manufacturing is convenient, no intermediate connecting piece is arranged among the second separating plate 201, the third air guiding plate 202 and the fourth air guiding plate 203, assembly is not needed, and the structure is simple.
In one embodiment, the first inlets 120 are at least two, and the at least two first inlets 120 are spaced apart along the circumference of the first separator 100. Thus, the amount of the mixture of the gas and the dust particles entering the separation chamber 11 at a time can be increased, and the separation efficiency can be increased.
Further, at least two first inlets 120 are uniformly spaced along the circumference of the first separation body 100. Thus, the mixture of the gas and the dust particles entering the separation chamber 11 can be more uniform, and the separation of the gas and the dust particles is facilitated.
In one embodiment, the number of the second inlets 220 is at least two, and the at least two second inlets 220 are spaced along the circumference of the second separation body 200. Thus, the amount of the mixture of the gas and the dust particles entering the second inner cavity 210 at a time can be increased, and the separation efficiency can be improved.
Further, at least two second inlets 220 are uniformly spaced along the circumference of the second separation body 200. Thus, the mixture of the gas and the dust particles entering the second inner cavity 210 can be more uniform, and the separation of the gas and the dust particles is facilitated.
As shown in fig. 1-2, in one embodiment, the first inlet 120 is offset from the second inlet 220. Thus, the mixture of the gas and the dust particles which just enter the separation chamber 11 can be ensured not to directly enter the second inner chamber 210, but enters the second inner chamber 210 after being separated by a section of centrifugal motion in the separation chamber 11, and further the separation efficiency is improved.
The first inlet 120 and the second inlet 220 are arranged in a staggered manner, that is, the connecting line of the center of the first inlet 120 and the center of the second inlet 220 is not in the same straight line, and the first inlet 120 is biased to one side of the second inlet 220, so that the mixture of the gas and the dust particles entering from the first inlet 120 cannot directly enter the second inlet 220. The first inlet 120 and the second inlet 220 may be arranged in a staggered manner along the circumferential direction of the first separation body 100 or the second separation body 200, and the first inlet 120 and the second inlet 220 may also be arranged in a staggered manner along the axial direction of the first separation body 100 or the second separation body 200.
As shown in fig. 1 and 3, in one embodiment, the first separating body 100 is further provided with a first dust outlet 130 communicated with the first inner cavity 110, and the first dust outlet 130 is located below the first inlet 120 along the gravity direction. Thus, after the dust particles are separated from the gas, the dust particles are simply and conveniently discharged from the first dust outlet 130 due to gravity.
Further, the cross-sectional area of the first inner cavity 110 decreases in a direction from the first inlet 120 to the first dust outlet 130. Thus, the inner wall of the first separation body 100 can play a guiding role, so that dust particles in the first inner cavity can be slowly collected together and then discharged from the first dust outlet 130, and collection is convenient. Optionally, the first separation body 100 has a cone shape with a wide top and a narrow bottom.
In one embodiment, the second separation body 200 is further provided with a second dust outlet 230 communicated with the second inner cavity 210, and the second dust outlet 230 is located below the second inlet 220 along the gravity direction. Thus, after the dust particles are separated from the gas, the dust particles are discharged from the second dust outlet 230 due to gravity, which is simple and convenient.
Further, the cross-sectional area of the second interior chamber 210 decreases in a direction from the second inlet 220 to the second dust outlet 230. Thus, the inner wall of the second separation body 200 can play a guiding role, so that the dust particles in the second inner cavity 210 can be slowly collected together and then discharged from the second dust outlet 230, and collection is facilitated. Optionally, the second separation body 200 is in a cone shape with a wide top and a narrow bottom.
As shown in fig. 1, in one embodiment, the first separation body 100 is further provided with a first air outlet 140 communicating with the first inner cavity 110, and the first air outlet 140 is located above the first inlet 120 along the gravity direction. Therefore, after the dust particles are separated from the gas, the gas can be discharged from the first gas outlet 140 above, which is simple and convenient.
Further, the second separation body 200 is further provided with a second air outlet 240 communicated with the second inner cavity 210, and the second air outlet 240 is located above the second inlet 220 along the gravity direction. Therefore, after the dust particles are separated from the gas, the gas can be discharged from the second gas outlet 240 above, which is simple and convenient.
As shown in fig. 1 and 2, in one embodiment, the separator 10 further includes a connecting body 300, and the first separation body 100 and the second separation body 200 are connected by the connecting body 300. The connection member 300 may be a connection rib, a connection block, or a bolt, and is used to connect the first separation body 100 and the second separation body 200.
Specifically, the connecting piece is the splice bar, and first separation body 100 and second separation body 200 are connected respectively at the both ends of splice bar for whole separator 10 is a body structure, convenient manufacturing.
In another embodiment, the first and second separation bodies 100 and 200 are not directly connected by the connection body 300, but are separately provided on another structure of the dust suction device.
In another embodiment, the number of the second separators 200 may be at least two, and at least two of the second separators 200 are layered on top of each other. And the position and fit relationship between two adjacent second separation bodies 200 is identical to the position and fit relationship between the second separation body 200 closest to the first separation body 100 and the first separation body 100.
An embodiment also relates to a dust suction device, which comprises the separator 10.
Wherein the dust extraction may be a hand-held cleaner.
In the above dust suction apparatus, the mixture of air and dust particles firstly enters the separation chamber 11 through the first inlet 120 of the first separation body 100 to separate the dust particles with larger mass and density from the air, so as to realize first-stage separation, and the dust particles with smaller mass and density enter the second inner cavity 210 from the separation chamber 11 through the second inlet 220 located in the second separation body 200 for further separation. The separator 10 can separate the mixture of gas and dust particles layer by layer, and has good separation effect.
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 (17)
1. A separator, comprising:
the first separation body is provided with a first inner cavity and a first inlet communicated with the first inner cavity; and
the second separation body is arranged in the first inner cavity and provided with a second inner cavity and a second inlet communicated with the second inner cavity;
wherein, a separation cavity is formed between the second separation body and the first separation body, and the second inlet is communicated with the separation cavity.
2. The separator of claim 1, wherein the first separator body comprises a curved first separator plate, the first separator plate enclosing the first interior cavity, the first inlet opening in the first separator plate; the second separator includes crooked second separator plate, the second separator plate set up in the first inner chamber, just the second separator plate with first separator plate interval sets up and forms the separation chamber, the second separator plate encloses to establish and forms the second inner chamber, the second import is seted up in on the second separator plate.
3. The separator of claim 2, wherein the first separator plate is annular in cross-section; and/or the second separator plate is annular in cross-section.
4. The separator of claim 2 or 3, wherein the first separator further comprises a first air guiding plate and a second air guiding plate, the first air guiding plate is connected with one side wall of the first inlet, the second air guiding plate is connected with the other side wall of the first inlet, and the first air guiding plate and the second air guiding plate are arranged oppositely at intervals.
5. The separator of claim 4, wherein the first deflector is tangential to the first separator plate and the second deflector is spaced from the first deflector; or the second air deflector is tangent to the first separating plate, and the first air deflector and the second air deflector are arranged at intervals; or the first air deflector and the second air deflector are tangent to the first separating plate.
6. The separator of claim 4, wherein the first separator plate, the first air deflection plate, and the second air deflection plate are a unitary structure.
7. The separator of claim 2 or 3, wherein the second separator further comprises a third air guiding plate and a fourth air guiding plate, the third air guiding plate is connected with one side wall of the second inlet, the fourth air guiding plate is connected with the other side wall of the second inlet, and the third air guiding plate and the fourth air guiding plate are arranged oppositely at intervals.
8. The separator of claim 7, wherein the third deflector is tangential to the second separator plate and the fourth deflector is spaced from the third deflector; or the fourth air deflector is tangent to the second separating plate, and the third air deflector and the fourth air deflector are arranged at intervals; or the third air deflector and the fourth air deflector are tangent to the second separating plate.
9. The separator of claim 7, wherein the second separator plate, the third air deflection plate, and the fourth air deflection plate are a unitary structure.
10. A separator according to any one of claims 1 to 3, wherein the first inlet ports are at least two, at least two of the first inlet ports being spaced circumferentially of the first separator body;
and/or the number of the second inlets is at least two, and the at least two second inlets are arranged at intervals along the circumferential direction of the second separation body.
11. A separator according to any one of claims 1 to 3, wherein the first inlet ports are at least two, at least two of the first inlet ports being evenly spaced circumferentially of the first separator body;
and/or the number of the second inlets is at least two, and the at least two second inlets are uniformly arranged at intervals along the circumferential direction of the second separation body.
12. A separator according to any of claims 1 to 3, wherein the first inlet is offset from the second inlet.
13. A separator according to any of claims 1 to 3, wherein the first separator body is further provided with a first dust outlet in communication with the first chamber, the first dust outlet being located gravitationally below the first inlet;
and/or the second separation body is also provided with a second dust outlet communicated with the second inner cavity, and the second dust outlet is positioned below the second inlet along the gravity direction.
14. A separator according to any of claims 1 to 3, wherein the first separator body is further provided with a first dust outlet communicating with the first internal chamber, the first dust outlet being located below the first inlet in the direction of gravity, the cross-sectional area of the first internal chamber decreasing in the direction from the first inlet to the first dust outlet;
and/or the second separation body is also provided with a second dust outlet communicated with the second inner cavity, the second dust outlet is positioned below the second inlet along the gravity direction, and the cross sectional area of the second inner cavity decreases progressively from the second inlet to the second dust outlet.
15. A separator according to any of claims 1 to 3, wherein the first separator body is further provided with a first air outlet communicating with the first inner chamber, the first air outlet being located gravitationally above the first inlet;
and/or the second separation body is also provided with a second air outlet communicated with the second inner cavity, and the second air outlet is positioned above the second inlet along the gravity direction.
16. A separator according to any of claims 1 to 3, further comprising a connector by which the first and second bodies are connected.
17. A suction cleaning apparatus comprising a separator as claimed in any one of claims 1 to 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921068847.8U CN210520900U (en) | 2019-07-09 | 2019-07-09 | Separator and dust extraction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921068847.8U CN210520900U (en) | 2019-07-09 | 2019-07-09 | Separator and dust extraction |
Publications (1)
| Publication Number | Publication Date |
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| CN210520900U true CN210520900U (en) | 2020-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921068847.8U Active CN210520900U (en) | 2019-07-09 | 2019-07-09 | Separator and dust extraction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210520900U (en) |
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2019
- 2019-07-09 CN CN201921068847.8U patent/CN210520900U/en active Active
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