CN112665084A - Air purifier with cleaning function - Google Patents
Air purifier with cleaning function Download PDFInfo
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- CN112665084A CN112665084A CN202011378540.5A CN202011378540A CN112665084A CN 112665084 A CN112665084 A CN 112665084A CN 202011378540 A CN202011378540 A CN 202011378540A CN 112665084 A CN112665084 A CN 112665084A
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Abstract
The invention relates to the field of air purification, in particular to an air purifier with a cleaning function. The technical problem to be solved is as follows: the air purifier with the cleaning function can automatically remove dust, is convenient to replace the filter element and has better air flowability. The technical scheme is as follows: the utility model provides an air purifier with clean function, includes shell, base, fan, motor etc. and the shell is in the outside of all devices, and base fixed connection is in one side of shell, and fan fixed connection keeps away from one side of base on the shell, and motor fixed connection is in the inside of fan. The filter element cleaning device is provided with the inner cleaning assembly and the outer cleaning assembly, the inner cleaning assembly can repeatedly clean the inner wall of the filter element up and down, and the outer cleaning assembly can clean the outer wall of the filter element up and down in a reciprocating and rotating mode, so that the filter element can be automatically cleaned.
Description
Technical Field
The invention relates to the field of air purification, in particular to an air purifier with a cleaning function.
Background
Air purifiers, also known as air fresheners and purifiers, are capable of adsorbing, decomposing or converting various air pollutants, and have a variety of different technologies and media to provide clean and safe air to users.
The existing air purifier is mostly of a composite type, namely, multiple purification technologies and material media are adopted at the same time, the dust removal effect of the existing air purifier adopting the electrostatic dust removal technology is very good, but a filter element can be bonded with a large amount of filtered impurities under the work of a long time, so that the dust removal effect of the filter element is poor, when the filter element is cleaned or replaced, the air purifier is generally disassembled, the filter element is cleaned or replaced, the process is too complicated, the time is delayed, the air purifier generally on the market is used for feeding air from one side of a machine body and exhausting air from the upper end, and the air purifier is not favorable for the flowing and the thorough purification of the air.
Therefore, it is necessary to develop an air cleaner with a cleaning function, which can automatically remove dust, facilitate replacement of a filter element, and improve air fluidity.
Disclosure of Invention
In order to overcome the defects that the air purifier is generally disassembled to clean or replace the filter element, the process is too complicated and the time is delayed, the air purifier generally used in the market is used for feeding air from one side of a machine body and discharging air from the upper end, so that the air purifier is not beneficial to the flowing and the thorough purification of the air, and the technical problem is as follows: the air purifier with the cleaning function can automatically remove dust, is convenient to replace the filter element and has better air flowability.
The technical scheme of the invention is as follows: an air purifier with clean function, including:
the outer shell is arranged at the outermost side of all the devices;
the base is fixedly connected to one side of the shell;
the fan is fixedly connected to one side, far away from the base, of the shell;
the motor is fixedly connected inside the fan;
one end of the short shaft is fixedly connected with one end of the motor output shaft;
the A belt wheel is a double belt wheel and is fixedly connected to the other end of the short shaft;
the switch button is arranged on one side, close to the fan, of the shell;
the screw is arranged at one end of the shell close to the base and fixes the base on the shell;
the fixing component is fixedly connected with the inner side of the shell;
filter core, filter core detachable sets up the one end that is close to the fan at fixed subassembly:
the inner cleaning component is fixedly connected to the fixing component;
the first gear is fixedly connected with one end of the inner cleaning assembly;
the second gear is rotatably connected to one side of the outer cleaning component, penetrates through the fixing component and is meshed with the first gear;
the belt wheel C is fixedly connected with one end, close to the first gear, of the inner cleaning assembly;
the second belt is wound on the C belt wheel and the A belt wheel;
the outer cleaning component is rotatably connected to the fixing component;
b band pulley, B band pulley fixed connection is close to the one end of fan at outer washing subassembly:
the first belt is wound on the B belt wheel and the A belt wheel.
Further, the fixed subassembly includes:
a plurality of fastening bolts are arranged, and one end of each fastening bolt is fixedly connected to the inner wall of the shell;
the upper fixed ring is close to the fan and fixedly connected to the other end of the fastening bolt;
the lower fixed ring is close to the base, and the outer ring of the lower fixed ring is fixedly connected to the other end of the fastening bolt;
two ends of the first sliding column are fixedly connected to the upper fixed ring and the lower fixed ring respectively;
the sliding column II is close to the sliding column I, and two ends of the sliding column II are fixedly connected to the upper fixed ring and the lower fixed ring respectively;
and two ends of the third sliding column are fixedly connected to the upper fixed ring and the lower fixed ring respectively.
Further, the inner cleaning component comprises:
the elliptical plate is fixedly connected with the inner side of the upper fixed ring;
one end of the fourth sliding column penetrates through the elliptical plate, and one end of the fourth sliding column is rotatably connected to the elliptical plate;
the connecting plate is rotatably connected to one end, far away from the elliptical plate, of the fourth sliding column;
one end of the inner lead screw penetrates through the elliptical plate, and the inner lead screw is rotatably connected with the elliptical plate;
the second nut is in threaded fit with the inner lead screw, and the second nut is in sliding connection with the fourth sliding column;
the outer ring of the inner gear is provided with a plurality of fine hairbrushes, and the inner ring of the inner gear is fixedly connected to the second nut.
Further, the outer cleaning component comprises:
one end of the outer lead screw penetrates through the upper fixed ring, the outer lead screw is rotatably connected with the upper fixed ring, the other end of the outer lead screw is rotatably connected with the lower fixed ring, the outer lead screw is fixedly connected with the second gear, and the outer lead screw is fixedly connected with the connecting plate;
the two ends of the long gear are respectively and rotatably connected to the upper fixed ring and the lower fixed ring;
the first nut is in threaded fit with the outer lead screw and is in sliding connection with the first sliding column;
the first sliding buckle is connected to the third sliding column in a sliding mode;
the sliding buckle II is connected to the sliding column II in a sliding mode;
the inner ring of the outer gear is provided with a circle of fine hairbrush, the outer ring of the outer gear is fixedly connected to the first nut, the outer gear is in sliding connection with the first sliding buckle and the second sliding buckle, and the outer gear is meshed with the long gear.
Further, the method also comprises the following steps:
the air purifier is characterized in that air is fed from the upper end, and exhausted from the small holes in the shell, so that the air is better in circulating purification effect from top to bottom.
Further, the method also comprises the following steps:
the dust collecting box is arranged inside the shell and fixedly connected to the base.
Further, the method also comprises the following steps:
the filter core, the filter core setting is inboard at last solid circle, and the filter core is convenient to be changed.
The invention has the beneficial effects that:
1. the filter element cleaning device is provided with the inner cleaning assembly and the outer cleaning assembly, the inner cleaning assembly can repeatedly clean the inner wall of the filter element up and down, and the outer cleaning assembly can clean the outer wall of the filter element up and down in a reciprocating and rotating mode, so that the filter element can be automatically cleaned.
2. According to the invention, when the filter element is replaced, only the screw is required to be taken down, and the filter element can be replaced by opening the base, so that the filter element replacement is more convenient and simpler compared with the traditional air purifier.
3. The upper part of the air purifier is provided with the air suction fan, air enters from the upper part of the air purifier, is filtered by the filter element and then is discharged from the small holes on the periphery of the shell, so that the air can flow better in a circulating manner.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a schematic structural view of the fixing assembly of the present invention.
FIG. 3 is a schematic structural diagram of a fan according to the present invention.
Fig. 4 is a schematic view of the internal structure of the present invention.
Fig. 5 is a schematic view of the structure of the power transmission portion of the present invention.
FIG. 6 is a schematic view of the inner and outer cleaning assemblies of the present invention.
Fig. 7 is a schematic structural view of the dust collecting box of the present invention.
Reference numbers in the drawings: 1: housing, 101: base, 3: fan, 301: motor, 302: short axis, 303: pulley A, 102: switch knob, 203: strut one, 204: sliding column two, 205: strut three, 206: sliding column four, 207: outer lead screw, 209: b pulley, 210: first belt, 211: elliptical plate, 212: gear one, 213: c pulley, 214: belt two, 215: gear two, 2: fastening bolt, 201: upper fixing ring, 202: lower stationary ring, 223: connection plate, 216: inner lead screw, 219: nut two, 224: internal gear, 208: long gear, 218: nut one, 220: slide fastener one, 221: a second sliding buckle, 222: outer gear, 401: screw, 4: a dust collecting box, 5: and (3) a filter element.
Detailed Description
The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.
Example 1
An air purifier with a cleaning function is disclosed, as shown in fig. 1-5, comprising a shell 1, a base 101, a fan 3, a motor 301, a short shaft 302, an A belt wheel 303, a switch button 102, a screw 401, a fixing component, a filter element 5, an inner cleaning component, a first gear 212, a second gear 215, a C belt wheel 213, a second belt 214, an outer cleaning component, a B belt wheel 209 and a first belt 210, wherein the shell 1 is arranged at the outermost side of all devices, the base 101 is fixedly connected at the bottom side of the shell 1, the fan 3 is fixedly connected at the upper side of the shell 1, the motor 301 is fixedly connected in the fan 3, the upper end of the short shaft 302 is fixedly connected at the lower end of an output shaft of the motor 301, the A belt wheel 303 is a double belt wheel, the A belt wheel 303 is fixedly connected at the lower end of the short shaft 302, the switch button 102 is arranged at the right, Screw 401 fixes base 101 on shell 1, and fixed subassembly fixed connection is at the interior survey of shell 1, and filter core 5 detachable sets up the one end that is close to fan 3 at fixed subassembly: interior washing subassembly fixed connection is on fixed subassembly, gear 212 fixed connection is in the upper end of washing subassembly, gear two 215 rotates and connects the upper end of washing subassembly outside, gear two 215 passes fixed subassembly, gear two 215 meshes with gear one 212, the upper end of washing subassembly including C band pulley 213 fixed connection, belt two 214 is around establishing on C band pulley 213 and A band pulley 303, it connects on fixed subassembly to wash subassembly rotation outside, B band pulley 209 fixed connection is in the upper end of washing subassembly outside, belt 210 is around establishing on B band pulley 209 and A band pulley 303.
The staff switches on the power, start switch button 102, and motor 301 will drive fan 3 and A band pulley 303 and rotate, and power transmits B band pulley 209 and C band pulley 213 through belt 210 and belt two 214 on, and B band pulley 209 can drive the operation of outer washing subassembly, and C band pulley 213 can be with power via, and two 215 transmission of gear wash the subassembly in on to drive the operation of outer washing subassembly, has just so realized cleaning the inside and outside of filter core 5 doubly.
The fan comprises a fastening bolt 2, an upper fixed ring 201, a lower fixed ring 202, a first sliding column 203, a second sliding column 204 and a third sliding column 205, wherein the fastening bolt 2 is provided with a plurality of fastening bolts, the outer side end of each fastening bolt 2 is fixedly connected to the inner wall of a shell 1, the upper fixed ring 201 is close to a fan 3, the upper fixed ring 201 is fixedly connected to the inner side end of each fastening bolt 2, the lower fixed ring 202 is close to a base 101, the outer ring of the lower fixed ring 202 is fixedly connected to the outer side end of the fastening bolt 2, the upper end and the lower end of the first sliding column 203 are fixedly connected to the upper fixed ring 201 and the lower fixed ring 202 respectively, the second sliding column 204 is close to the first sliding column 203, the upper end and the lower end of the second sliding column 204 are fixedly connected to the upper fixed ring 201 and the lower fixed ring 202 respectively, the third sliding column 205, the second sliding column 204 and the first sliding column 203 are circumferentially arrayed on the bottom side of the upper.
A plurality of fastening bolts 2 are annularly arrayed on the outer rings of the upper fixed ring 201 and the lower fixed ring 202, the fastening bolts 2 fix the upper fixed ring 201 and the lower fixed ring 202 in the shell 1, and the upper fixed ring 201 and the lower fixed ring 202 can not only support the whole device, but also prevent the shell 1 from deforming.
Example 2
An air purifier with a cleaning function comprises an elliptical plate 211, a sliding column four 206, a connecting plate 223, an inner lead screw 216, a nut two 219 and an inner gear 224, wherein the elliptical plate 211 is fixedly connected to the inner side of an upper fixed ring 201, the upper end of the sliding column four 206 penetrates through the elliptical plate 211, the upper end of the sliding column four 206 is rotatably connected to the elliptical plate 211, the connecting plate 223 is rotatably connected to the lower end of the sliding column four 206, the upper end of the inner lead screw 216 penetrates through the elliptical plate 211 and is rotatably connected with the elliptical plate 211, the nut two 219 is in threaded fit with the inner lead screw 216, the nut two 219 is slidably connected with the sliding column four 206, a plurality of fine hairbrushes are arranged on the outer ring of the inner gear 224, and the inner ring of the inner gear 224 is fixedly connected to the side wall of the nut two 219.
Power is transmitted to the inner lead screw 216 through the second gear 215, the inner lead screw 216 is a reciprocating lead screw, the inner wall of the filter element 5 can be repeatedly cleaned up and down through the matching of the inner lead screw 216 and the second nut 219, and the inner cleaning assembly can always run under the condition that the air purifier is opened, so that the inner ring of the filter element 5 can be kept clean for a long time.
The sliding device comprises an outer lead screw 207, a long gear 208, a first nut 218, a first sliding buckle 220 and an outer gear 222, wherein the upper end of the outer lead screw 207 penetrates through an upper fixed ring 201, the outer lead screw 207 is rotationally connected with the upper fixed ring 201, the lower end of the outer lead screw 207 is rotationally connected with a lower fixed ring 202, the outer lead screw 207 is fixedly connected with a second gear 215, the outer lead screw 207 is fixedly connected with a connecting plate 223, the upper end and the lower end of the long gear 208 are respectively rotationally connected with the upper fixed ring 201 and the lower fixed ring 202, the first nut 218 is in threaded fit with the outer lead screw 207, the first nut 218 is in sliding connection with a first sliding column 203, the first sliding buckle 220 is in sliding connection with a third sliding column 205, the second sliding buckle 221 and the second sliding buckle 221 are in sliding connection with a, the inner circle of the outer gear 222 is provided with a circle of fine hair brushes, the outer circle of the outer gear 222 is fixedly connected to the first nut 218, the outer gear 222 is in sliding connection with the first sliding buckle 220 and the second sliding buckle 221, and the outer gear 222 is meshed with the long gear 208.
The B belt pulley 209 drives the long gear 208 to rotate, the long gear 208 is meshed with the external gear 222, the external gear 222 is fixedly connected to the first nut 218, the first gear 212 is meshed with the second gear 215, the second gear 215 drives the external lead screw 207 to rotate when the first gear 212 rotates, the external lead screw 207 is also a reciprocating lead screw, and the first nut 218 drives the external gear 222 to reciprocate on the external lead screw 207, so that when the long gear 208 and the external lead screw 207 rotate, the external gear 222 rotates and moves up and down along the external lead screw 207, and therefore the outer wall of the filter element 5 can be cleaned.
Example 3
The utility model provides an air purifier with clean function, as shown in figure 7, including connecing dirt box 4 and filter core 5, connect dirt box 4 to set up inside shell 1, connect dirt box 4 fixed connection on base 101, filter core 5 sets up at last solid circle 201 inboard, and filter core 5 is convenient to be changed, and this air purifier is from the upper end air intake, and the aperture exhaust on the shell is followed, and the circulation purifying effect that the air from top to bottom is more excellent.
After the switch button 102 is started, the fan 3 sucks air into the shell 1 from the upper part, the air passes through the filter element 5, penetrates from the inside of the filter element 5 to the outside and is discharged from the small hole on the shell 1, the air circulation is that the upper end enters the middle and the lower end exits, the air circulation is more beneficial to the flow of the air, the purification effect is better, the dust collecting box 4 is arranged at the lowest part of the device, dust falls into the dust collecting box 4 when being swept from the filter element 5, the base 101 can be taken out after being opened by screwing the screw 401, the dust is cleared, the filter element 5 is positioned between the inner cleaning device and the outer cleaning device, the base 101 is taken down through the annular sleeve and the upper fixed ring 201 above the filter element 5 during replacement, the filter element 5 is directly drawn out from the bottom and can be replaced, and the purpose of replacing the filter element 5 can be realized.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides an air purifier with clean function which characterized in that: comprises the following steps:
the shell (1), the shell (1) is at the outermost side of all devices;
the base (101), the base (101) is fixedly connected to one side of the shell (1);
the fan (3), the fan (3) is fixedly connected to one side of the shell (1) far away from the base (101);
the motor (301), the motor (301) is fixedly connected to the inside of the fan (3);
one end of the short shaft (302) is fixedly connected with one end of an output shaft of the motor (301);
the A belt wheel (303), the A belt wheel (303) is a double belt wheel, and the A belt wheel (303) is fixedly connected to the other end of the short shaft (302);
the switch button (102), the switch button (102) is arranged on one side of the shell (1) close to the fan (3);
the screw (401), the screw (401) is set up in the one end close to base (101) of the outer cover (1), the base (101) is fixed on outer cover (1) by the screw (401);
the fixing component is fixedly connected to the inner side of the shell (1);
filter core (5), filter core (5) detachable sets up the one end that is close to fan (3) at fixed subassembly:
the inner cleaning component is fixedly connected to the fixing component;
the first gear (212), the first gear (212) is fixedly connected with one end of the inner cleaning assembly;
the second gear (215) is rotatably connected to one side of the outer cleaning component, the second gear (215) penetrates through the fixing component, and the second gear (215) is meshed with the first gear (212);
the C belt wheel (213), the C belt wheel (213) is fixedly connected with one end of the inner cleaning component close to the first gear (212);
a second belt (214), wherein the second belt (214) is wound on the C belt wheel (213) and the A belt wheel (303);
the outer cleaning component is rotatably connected to the fixing component;
b band pulley (209), B band pulley (209) fixed connection is close to the one end of fan (3) at outer washing subassembly: and a first belt (210), wherein the first belt (210) is wound on the B belt wheel (209) and the A belt wheel (303).
2. The air purifier with the cleaning function as claimed in claim 1, wherein: the fixed subassembly includes:
the fastening bolts (2) are arranged in a plurality of numbers, and one end of each fastening bolt (2) is fixedly connected to the inner wall of the shell (1);
the upper fixed ring (201), the upper fixed ring (201) is close to the fan (3), and the upper fixed ring (201) is fixedly connected to the other end of the fastening bolt (2);
the lower fixed ring (202), the lower fixed ring (202) is close to the base (101), and the outer ring of the lower fixed ring (202) is fixedly connected to the other end of the fastening bolt (2);
the two ends of the first sliding column (203) are respectively and fixedly connected to the upper fixed ring (201) and the lower fixed ring (202);
the sliding column II (204) is close to the sliding column I (203), and two ends of the sliding column II (204) are fixedly connected to the upper fixed ring (201) and the lower fixed ring (202) respectively;
and the three sliding columns (205), the two sliding columns (204) and the one sliding column (203) are circumferentially arrayed on one side of the upper fixed ring (201), and two ends of the three sliding columns (205) are respectively and fixedly connected to the upper fixed ring (201) and the lower fixed ring (202).
3. The air purifier with the cleaning function as claimed in claim 1, wherein: the inner cleaning component comprises:
the elliptical plate (211), the elliptical plate (211) is fixedly connected with the inner side of the upper fixed ring (201);
one end of the fourth sliding column (206) penetrates through the elliptical plate (211), and one end of the fourth sliding column (206) is rotatably connected to the elliptical plate (211);
the connecting plate (223) is rotatably connected to one end, far away from the elliptical plate (211), of the sliding column four (206);
one end of the inner lead screw (216) penetrates through the elliptical plate (211), and the inner lead screw (216) is rotatably connected with the elliptical plate (211);
the second nut (219) is in threaded fit with the inner screw (216), and the second nut (219) is in sliding connection with the fourth sliding column (206);
and the outer ring of the internal gear (224) is provided with a plurality of fine hairbrushes, and the inner ring of the internal gear (224) is fixedly connected to the second nut (219).
4. The air purifier with the cleaning function as claimed in claim 1, wherein: the outer cleaning component comprises:
one end of the outer lead screw (207) penetrates through the upper fixed ring (201), the outer lead screw (207) is rotatably connected with the upper fixed ring (201), the other end of the outer lead screw (207) is rotatably connected onto the lower fixed ring (202), the outer lead screw (207) is fixedly connected with the second gear (215), and the outer lead screw (207) is fixedly connected with the connecting plate (223);
the two ends of the long gear (208) are respectively and rotatably connected to the upper fixed ring (201) and the lower fixed ring (202);
the first nut (218), the first nut (218) is in threaded fit with the outer lead screw (207), and the first nut (218) is in sliding connection with the first sliding column (203);
the first sliding buckle (220), the first sliding buckle (220) is connected to the third sliding column (205) in a sliding mode;
the second sliding buckle (221), the second sliding buckle (221) is connected to the second sliding column (204) in a sliding mode;
the inner ring of the outer gear (222) is provided with a circle of fine hair brushes, the outer ring of the outer gear (222) is fixedly connected to a first nut (218), the outer gear (222) is in sliding connection with a first sliding buckle (220) and a second sliding buckle (221), and the outer gear (222) is meshed with the long gear (208).
5. The air purifier with the cleaning function as claimed in claim 1, wherein: also includes:
the air purifier is used for air intake from the upper end and exhaust from the small holes on the shell (1), and the air circulation purification effect from top to bottom is better.
6. The air purifier with the cleaning function as claimed in claim 1, wherein: also includes:
the dust collecting box (4) is arranged inside the shell (1), and the dust collecting box (4) is fixedly connected to the base (101).
7. The air purifier with the cleaning function as claimed in claim 1, wherein: also includes:
the filter is characterized by further comprising a filter element (5), wherein the filter element (5) is arranged on the inner side of the upper fixed ring (201), and the filter element (5) is convenient to replace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011378540.5A CN112665084A (en) | 2020-12-01 | 2020-12-01 | Air purifier with cleaning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011378540.5A CN112665084A (en) | 2020-12-01 | 2020-12-01 | Air purifier with cleaning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112665084A true CN112665084A (en) | 2021-04-16 |
Family
ID=75403116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011378540.5A Withdrawn CN112665084A (en) | 2020-12-01 | 2020-12-01 | Air purifier with cleaning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112665084A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006014059A1 (en) * | 2004-08-06 | 2006-02-09 | Du Gwen Goak | Air purifier with water washing function using rotation brushes |
| CN208612004U (en) * | 2018-07-11 | 2019-03-19 | 广州兰林空调净化技术有限公司 | A kind of central air-conditioning return air inlet cleaning device |
| CN110032255A (en) * | 2019-04-16 | 2019-07-19 | 江苏海事职业技术学院 | A kind of computer dust guard |
| CN211585831U (en) * | 2019-11-21 | 2020-09-29 | 招金矿业股份有限公司蚕庄金矿 | Dust collector who facilitates use |
-
2020
- 2020-12-01 CN CN202011378540.5A patent/CN112665084A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006014059A1 (en) * | 2004-08-06 | 2006-02-09 | Du Gwen Goak | Air purifier with water washing function using rotation brushes |
| CN208612004U (en) * | 2018-07-11 | 2019-03-19 | 广州兰林空调净化技术有限公司 | A kind of central air-conditioning return air inlet cleaning device |
| CN110032255A (en) * | 2019-04-16 | 2019-07-19 | 江苏海事职业技术学院 | A kind of computer dust guard |
| CN211585831U (en) * | 2019-11-21 | 2020-09-29 | 招金矿业股份有限公司蚕庄金矿 | Dust collector who facilitates use |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20210416 |