CN212039652U - Indoor fine dust cleaning equipment applied to indoor environment protection - Google Patents
Indoor fine dust cleaning equipment applied to indoor environment protection Download PDFInfo
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- CN212039652U CN212039652U CN202020317850.5U CN202020317850U CN212039652U CN 212039652 U CN212039652 U CN 212039652U CN 202020317850 U CN202020317850 U CN 202020317850U CN 212039652 U CN212039652 U CN 212039652U
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Abstract
The utility model relates to the technical field of environmental protection accessories, in particular to an indoor fine dust cleaning device applied to indoor environmental protection, which can be used for conveniently cleaning a plurality of groups of first spray heads and a plurality of groups of second spray heads; the device comprises a box body, a filter screen, a first water dividing pipe, a second water dividing pipe, a first connecting pipe and a second connecting pipe, wherein a working cavity is arranged in the box body, a box opening is formed in the top end of the box body, a box cover is detachably arranged at the box opening, a central area of the top end of the box cover is communicated with and provided with an air outlet pipe, the lower half area of the left side wall of the box body is provided with an impurity discharging opening, a baffle is detachably arranged at the impurity discharging opening, the lower half area of the right side wall of the box body is communicated with and provided with an air inlet pipe, an air suction fan is arranged on the air inlet pipe, and the right; the device also comprises a first shell, a second shell, two groups of first fixing rods and two groups of second fixing rods.
Description
Technical Field
The utility model relates to a technical field of environmental protection auxiliary device especially relates to an indoor tiny dust cleaning equipment who is applied to indoor environmental protection.
Background
As is well known, an indoor fine dust cleaning apparatus applied to indoor environmental protection is an auxiliary device for filtering and cleaning fine dust in an indoor environment in an indoor environmental protection process, and is widely used in the field of environmental protection; the existing indoor fine dust cleaning equipment applied to indoor environment protection comprises a box body, a filter screen, a first water dividing pipe, a second water dividing pipe, a first connecting pipe and a second connecting pipe, wherein a working chamber is arranged inside the box body, a box opening is formed in the top end of the box body, the box opening is communicated with the working chamber, a box cover is detachably arranged at the box opening, an air outlet pipe is communicated with the central area at the top end of the box cover, a sundry discharge opening is formed in the lower half area of the left side wall of the box body and communicated with the working chamber, a baffle is detachably arranged at the sundry discharge opening, an air inlet pipe is communicated with the lower half area of the right side wall of the box body and provided with a suction fan, the filter screen is transversely arranged in the upper half area of the working chamber, a first connecting hole and a second connecting hole are respectively transversely arranged in the upper half areas of the left side wall and, a plurality of groups of first spray heads and a plurality of groups of second spray heads are respectively arranged at the right end of the first water distribution pipe and the left end of the second water distribution pipe at equal intervals, and the right output end of the first connecting pipe and the left output end of the second connecting pipe respectively penetrate through the first connecting hole and the second connecting hole and are respectively connected with the left input end of the first water distribution pipe and the right input end of the second water distribution pipe; when the existing indoor fine dust cleaning equipment applied to indoor environment protection is used, the input ends of a first connecting pipe and a second connecting pipe are connected with the output end of an external water pumping device, water is pumped into a first water distribution pipe and a second water distribution pipe through the external water pumping device, then the water is sprayed out from a plurality of groups of first spray heads and a plurality of groups of second spray heads in a water mist mode, indoor air is sucked into a working cavity by a suction fan, the air is subjected to dust removal of the water mist, and the air is discharged from an air outlet pipe after being further filtered by a filter screen, so that the indoor fine dust is cleaned; the existing indoor fine dust cleaning equipment applied to indoor environment protection is found in use, and is difficult to clean a plurality of groups of first spray heads and a plurality of groups of second spray heads, so that the use convenience is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a can be convenient for wash the first shower nozzle of multiunit and multiunit second shower nozzle, improve the indoor tiny dust cleaning equipment who is applied to indoor environmental protection of convenience of use.
The utility model discloses an indoor tiny dust cleaning equipment for indoor environmental protection, which comprises a box body, the filter screen, first water distribution pipe, the second water distribution pipe, first connecting pipe and second connecting pipe, the box is inside to be provided with the working chamber, the box top is provided with the case mouth, the case mouth communicates with the working chamber, and can dismantle at case mouth department and be provided with the case lid, case lid top central area intercommunication is provided with the outlet duct, the second area of box left side wall is provided with the trash discharge mouth, the trash discharge mouth communicates with the working chamber, and can dismantle at trash discharge mouth department and be provided with the baffle, the second area of box right side wall communicates and is provided with the intake pipe, be provided with the suction fan on the intake pipe, the filter screen is transversely installed in the first area of working chamber, first water distribution pipe right-hand member and second water distribution pipe left end; the device also comprises a first shell, a second shell, two groups of first fixing rods and two groups of second fixing rods, wherein the upper half areas of the left side wall and the right side wall of the box body are respectively and transversely provided with a first mounting port and a second mounting port which are both communicated with the working cavity, the upper half areas of the left side wall and the right side wall of the box body are respectively provided with a first annular groove and a second annular groove, the first annular groove and the second annular groove are respectively internally provided with a first internal thread and a second internal thread, the first shell and the second shell are respectively internally provided with a first inner cavity and a second inner cavity, the right end of the first shell and the left end of the second shell are respectively provided with a first opening and a second opening, the first opening and the second opening are respectively communicated with the first inner cavity and the second inner cavity, the right half area of the outer side wall of the first shell and the left half area of the outer side wall of the second shell are respectively provided with a first external thread, the first external thread and the second external thread are respectively matched with the first internal thread and the second internal thread, the right end of the first shell and the left end of the second shell are respectively screwed into the first annular groove and the second annular groove, the central areas of the left side wall of the first shell and the right side wall of the second shell are respectively and transversely provided with a first through hole and a second through hole, the output ends of the first connecting pipe and the second connecting pipe respectively penetrate through the first through hole and the second through hole and are respectively connected with the input ends of the first water dividing pipe and the second water dividing pipe, the left ends of the two groups of first fixed rods are respectively connected with the upper half area and the lower half area of the left side wall in the first shell, the right ends of the two groups of first fixed rods are respectively connected with the upper half area and the lower half area of the left side wall of the first water distributing pipe, the left ends of the two groups of second fixing rods are respectively connected with the upper half area and the lower half area of the right side wall of the second water distribution pipe, and the right ends of the two groups of second fixing rods are respectively connected with the upper half area and the lower half area of the right side wall in the second shell.
The utility model discloses a be applied to indoor environmental protection's indoor tiny dust cleaning equipment still includes four group's universal wheels, four group's universal wheel tops are connected with box bottom left front side, right front side, left rear side and right rear side respectively, all are provided with the braking plate on four group's universal wheels.
The utility model discloses a be applied to indoor environmental protection's indoor tiny dust cleaning equipment still includes branch and push rod, branch left end and the first regional connection of box right side wall, branch right-hand member and push rod left side wall central authorities regional connection.
The utility model discloses a be applied to indoor environmental protection's indoor tiny dust cleaning equipment still includes the anchor strut, the anchor strut top is connected with the suction fan bottom, and the anchor strut bottom is connected with box right side wall second region.
The utility model discloses a be applied to indoor environmental protection's indoor tiny dust cleaning equipment still includes left hand handle and right hand handle, left hand handle and right hand handle bottom are connected with half regional and half regional on the right side on the left side in case lid top respectively.
The utility model discloses a be applied to indoor environmental protection's indoor tiny dust cleaning equipment still includes first handle and second handle, first handle right-hand member and second handle left end respectively with first casing left side wall and second casing right side wall first regional connection.
The utility model discloses a be applied to indoor environmental protection's indoor tiny dust cleaning equipment, the lower region of lateral wall is provided with the observation hole before the box to be provided with the transparent plate in observation hole department.
The utility model discloses a be applied to indoor environmental protection's indoor tiny dust cleaning equipment still includes the pull ring, the pull ring right-hand member is connected with baffle left side wall central zone.
Compared with the prior art, the beneficial effects of the utility model are that: the input ends of the first connecting pipe and the second connecting pipe are connected with the output end of an external water pumping device, water is pumped into the first water dividing pipe and the second water dividing pipe through the external water pumping device, then the water is sprayed out in a water mist mode from the multiple groups of first spray heads and the multiple groups of second spray heads, indoor air is sucked into the working cavity through the suction fan, the air is dedusted through the water mist and is discharged from the air outlet pipe after being further filtered through the filter screen, the indoor fine dust is cleaned, when the multiple groups of first spray heads and the multiple groups of second spray heads need to be cleaned, a worker respectively unscrews the first shell and the second shell from the first annular groove and the second annular groove, the first shell and the second shell respectively take the multiple groups of first spray heads and the multiple groups of second spray heads out of the working cavity, the multiple groups of first spray heads and the multiple groups of second spray heads can be cleaned conveniently, and the use convenience is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is an enlarged view of a portion B of FIG. 1;
FIG. 4 is a schematic view showing the connection between the case and the transparent plate;
in the drawings, the reference numbers: 1. a box body; 2. filtering with a screen; 3. a first water diversion pipe; 4. a second water dividing pipe; 5. a first connecting pipe; 6. a second connecting pipe; 7. a working chamber; 8. a box cover; 9. an air outlet pipe; 10. a trash discharge port; 11. a baffle plate; 12. an air inlet pipe; 13. a suction fan; 14. a first nozzle; 15. a second nozzle; 16. a first housing; 17. a second housing; 18. a first fixing lever; 19. a second fixing bar; 20. a universal wheel; 21. a brake plate; 22. a strut; 23. a push rod; 24. a reinforcing rod; 25. a left handle; 26. a right handle; 27. a first handle; 28. a second handle; 29. a transparent plate; 30. and (4) a pull ring.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in figures 1 to 4, the indoor fine dust cleaning device applied to indoor environment protection of the utility model comprises a box body 1, a filter screen 2, a first water dividing pipe 3, a second water dividing pipe 4, a first connecting pipe 5 and a second connecting pipe 6, wherein a working chamber 7 is arranged inside the box body 1, a box opening is arranged at the top end of the box body 1 and is communicated with the working chamber 7, a box cover 8 is detachably arranged at the opening of the box, an air outlet pipe 9 is communicated with the central area of the top end of the box cover 8, a trash discharge opening 10 is arranged in the lower half area of the left side wall of the box body 1, the trash discharge opening 10 is communicated with the working cavity 7, a baffle plate 11 is detachably arranged at the impurity discharging port 10, the lower half area of the right side wall of the box body 1 is communicated with an air inlet pipe 12, the air inlet pipe 12 is provided with a suction fan 13, the filter screen 2 is transversely arranged in the upper half area of the working cavity 7, and the right end of the first water distribution pipe 3 and the left end of the second water distribution pipe 4 are respectively provided with a plurality of groups of first spray heads 14 and a plurality of groups of second spray heads 15 at equal intervals; the device also comprises a first shell 16, a second shell 17, two groups of first fixing rods 18 and two groups of second fixing rods 19, wherein the upper half areas of the left side wall and the right side wall of the box body 1 are respectively and transversely provided with a first mounting port and a second mounting port which are both communicated with the working cavity 7, the upper half areas of the left side wall and the right side wall of the box body 1 are respectively provided with a first annular groove and a second annular groove, the first annular groove and the second annular groove are respectively internally provided with a first internal thread and a second internal thread, the first shell 16 and the second shell 17 are respectively internally provided with a first inner cavity and a second inner cavity, the right end of the first shell 16 and the left end of the second shell 17 are respectively provided with a first opening and a second opening, the first opening and the second opening are respectively communicated with the first inner cavity and the second inner cavity, the right half area of the outer side wall of the first shell 16 and the left half area of the outer side wall of the second shell 17 are respectively provided with a first external, the first external thread and the second external thread are respectively matched with the first internal thread and the second internal thread, the right end of the first shell 16 and the left end of the second shell 17 are respectively screwed into the first annular groove and the second annular groove, the central areas of the left side wall of the first shell 16 and the right side wall of the second shell 17 are respectively and transversely provided with a first through hole and a second through hole, the output ends of the first connecting pipe 5 and the second connecting pipe 6 respectively penetrate through the first through hole and the second through hole and are respectively connected with the input ends of the first water distributing pipe 3 and the second water distributing pipe 4, the left ends of two groups of first fixing rods 18 are respectively connected with the upper half area and the lower half area of the left side wall in the first shell 16, the right ends of two groups of first fixing rods 18 are respectively connected with the upper half area and the lower half area of the left side wall of the first water distributing pipe 3, and the left ends of two groups of second fixing rods 19 are respectively connected with the, the right ends of the two groups of second fixing rods 19 are respectively connected with the upper half area and the lower half area of the right side wall in the second shell 17; the input ends of the first connecting pipe and the second connecting pipe are connected with the output end of an external water pumping device, water is pumped into the first water dividing pipe and the second water dividing pipe through the external water pumping device, then the water is sprayed out in a water mist mode from the multiple groups of first spray heads and the multiple groups of second spray heads, indoor air is sucked into the working cavity through the suction fan, the air is dedusted through the water mist and is discharged from the air outlet pipe after being further filtered through the filter screen, the indoor fine dust is cleaned, when the multiple groups of first spray heads and the multiple groups of second spray heads need to be cleaned, a worker respectively unscrews the first shell and the second shell from the first annular groove and the second annular groove, the first shell and the second shell respectively take the multiple groups of first spray heads and the multiple groups of second spray heads out of the working cavity, the multiple groups of first spray heads and the multiple groups of second spray heads can be cleaned conveniently, and the use convenience is improved.
The utility model discloses an indoor tiny dust cleaning equipment for indoor environmental protection, still include four groups of universal wheels 20, four groups of universal wheels 20 top are connected with box 1 bottom left front side, right front side, left rear side and right rear side respectively, all are provided with braking plate 21 on four groups of universal wheels 20; four groups of universal wheels can be convenient for the staff to remove the device, improve and use the flexibility.
The utility model discloses an indoor tiny dust cleaning equipment for indoor environmental protection, still include branch 22 and push rod 23, the left end of branch 22 is connected with the first half region of the right side wall of box 1, the right end of branch 22 is connected with the central region of the left side wall of push rod 23; the staff removes the device through the push rod, and the operation is comparatively laborsaving, improves the convenience of use.
The utility model discloses an indoor fine dust cleaning equipment for indoor environmental protection, still include anchor strut 24, the top of anchor strut 24 is connected with the bottom of suction fan 13, the bottom of anchor strut 24 is connected with the lower half area of the right side wall of box 1; the reinforcing rod can fix suction fan, improves stability in use.
The utility model discloses an indoor tiny dust cleaning equipment for indoor environmental protection, still include left handle 25 and right handle 26, left handle 25 and right handle 26 bottom are connected with the left half region and the right half region on 8 tops of case lid respectively; the left handle and the right handle can facilitate the opening and closing of the box cover, and the use convenience is improved.
The indoor fine dust cleaning equipment applied to indoor environment protection of the utility model also comprises a first handle 27 and a second handle 28, wherein the right end of the first handle 27 and the left end of the second handle 28 are respectively connected with the upper half areas of the left side wall of the first shell 16 and the right side wall of the second shell 17; first handle and second handle can be convenient for respectively install and dismantle first casing and second casing, improve the convenience of use.
The utility model discloses an indoor fine dust cleaning device applied to indoor environment protection, the lower half area of the front side wall of the box body 1 is provided with an observation hole, and a transparent plate 29 is arranged at the observation hole; staff's accessible transparent plate is observed the condition in the work chamber, improves and uses the controllability.
The indoor fine dust cleaning equipment applied to indoor environment protection of the utility model also comprises a pull ring 30, wherein the right end of the pull ring 30 is connected with the central area of the left side wall of the baffle 11; the pull ring can facilitate the opening and closing of the baffle plate, and the use convenience is improved.
The utility model discloses an indoor fine dust cleaning equipment for indoor environmental protection, it is at work, first connecting pipe and second connecting pipe input are all connected with external pump water installation output, pump water to first water diversion pipe and second water diversion pipe through external pump water installation, later spout in the form of water smoke from multiunit first shower nozzle and multiunit second shower nozzle, the suction fan inhales the room air into the working chamber, the air is through the dust removal of water smoke, discharge from the outlet duct after further filtration through the filter screen, realize the cleaning to indoor fine dust, when needing to wash multiunit first shower nozzle and multiunit second shower nozzle, the staff respectively unscrews first casing and second casing from first ring channel and second ring channel, first casing and second casing take out multiunit first shower nozzle and multiunit second shower nozzle from the working chamber respectively, the cleaning device can be used for conveniently cleaning a plurality of groups of first spray heads and a plurality of groups of second spray heads, and the use convenience is improved; the four groups of universal wheels can facilitate the movement of the device by workers, thereby improving the use flexibility; the device is moved by the staff through the push rod, so that the operation is labor-saving, and the use convenience is improved; the reinforcing rod can fix the suction fan, so that the use stability is improved; the left handle and the right handle can facilitate the opening and closing of the box cover, and the use convenience is improved; the first handle and the second handle can be respectively convenient for mounting and dismounting the first shell and the second shell, so that the use convenience is improved; the working personnel can observe the conditions in the working cavity through the transparent plate, so that the use controllability is improved; the pull ring can facilitate the opening and closing of the baffle plate, and the use convenience is improved.
The utility model discloses a be applied to the suction fan that indoor tiny dust cleaning equipment of indoor environmental protection used is from purchasing on the market, only need install according to the description use can.
The utility model discloses a be applied to indoor environmental protection's indoor tiny dust cleaning equipment, above the mounting means, the connected mode or the mode that sets up of all parts are common mechanical system to concrete structure, model and the coefficient index of all its parts are its from taking the technique, as long as can reach all can implement of its beneficial effect, so do not add at many and give unnecessary details.
The indoor fine dust cleaning apparatus applied to indoor environment protection of the present invention, unless otherwise stated, the directional terms included in the terms "upper, lower, left, right, front, rear, inner, front, rear, inner, and vertical horizontal" and the like only represent the direction of the term in the conventional use state or are colloquially known to those skilled in the art, and should not be construed as limiting the term, and meanwhile, the series of terms such as "first", "second", and "third" and the like do not represent specific numbers and sequences, but are merely used for name differentiation, and the terms "include", "include" or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus including a series of elements includes not only those elements but also other elements not explicitly listed, or also includes such a process, A method, article, or apparatus that is inherent to the element.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. An indoor fine dust cleaning device applied to indoor environment protection comprises a box body (1), a filter screen (2), a first water distribution pipe (3), a second water distribution pipe (4), a first connecting pipe (5) and a second connecting pipe (6), wherein a working chamber (7) is arranged inside the box body (1), a box opening is formed in the top end of the box body (1), the box opening is communicated with the working chamber (7), a box cover (8) is detachably arranged at the box opening, a gas outlet pipe (9) is communicated with the central area of the top end of the box cover (8), an impurity discharging opening (10) is formed in the lower half area of the left side wall of the box body (1), the impurity discharging opening (10) is communicated with the working chamber (7), a baffle plate (11) is detachably arranged at the impurity discharging opening (10), a gas inlet pipe (12) is communicated with the lower half area of the right side wall of the box body (1), and a suction fan, the filter screen (2) is transversely arranged in the upper half area in the working cavity (7), and a plurality of groups of first spray heads (14) and a plurality of groups of second spray heads (15) are respectively arranged at the right end of the first water distribution pipe (3) and the left end of the second water distribution pipe (4) at equal intervals; the device is characterized by further comprising a first shell (16), a second shell (17), two groups of first fixing rods (18) and two groups of second fixing rods (19), wherein the upper half areas of the left side wall and the right side wall of the box body (1) are respectively and transversely provided with a first mounting opening and a second mounting opening, the first mounting opening and the second mounting opening are both communicated with the working cavity (7), the upper half areas of the left side wall and the right side wall of the box body (1) are respectively provided with a first annular groove and a second annular groove, a first internal thread and a second internal thread are respectively arranged in the first annular groove and the second annular groove, a first inner cavity and a second inner cavity are respectively arranged in the first shell (16) and the second shell (17), the right end of the first shell (16) and the left end of the second shell (17) are respectively provided with a first opening and a second opening, and the first opening and the second opening are respectively communicated with the first inner cavity and the second inner cavity, the right half area of the outer side wall of the first shell (16) and the left half area of the outer side wall of the second shell (17) are respectively provided with a first external thread and a second external thread which are respectively matched with a first internal thread and a second internal thread, the right end of the first shell (16) and the left end of the second shell (17) are respectively screwed into a first annular groove and a second annular groove, the central areas of the left side wall of the first shell (16) and the right side wall of the second shell (17) are respectively and transversely provided with a first through hole and a second through hole, the output ends of the first connecting pipe (5) and the second connecting pipe (6) respectively penetrate through the first through hole and the second through hole and are respectively connected with the input ends of the first water distribution pipe (3) and the second water distribution pipe (4), the left ends of the two groups of first fixing rods (18) are respectively connected with the upper half area and the lower half area of the left side wall in the first shell (16, two sets of first dead lever (18) right-hand members divide water pipe (3) left side wall first half regional with first down regional connection respectively, two sets of second dead lever (19) left ends divide water pipe (4) right side wall first half regional with second down regional connection respectively, two sets of second dead lever (19) right-hand members divide water pipe (17) interior right side wall first half regional with second down regional connection respectively.
2. The indoor fine dust cleaning apparatus for indoor environmental protection according to claim 1, further comprising four sets of universal wheels (20), wherein the top ends of the four sets of universal wheels (20) are respectively connected to the left front side, the right front side, the left rear side and the right rear side of the bottom end of the cabinet (1), and the four sets of universal wheels (20) are provided with braking plates (21).
3. An indoor fine dust cleaning apparatus for indoor environmental protection according to claim 2, further comprising a supporting rod (22) and a push rod (23), wherein the left end of the supporting rod (22) is connected to the upper half area of the right side wall of the cabinet (1), and the right end of the supporting rod (22) is connected to the central area of the left side wall of the push rod (23).
4. The indoor fine dust cleaning apparatus for indoor environmental protection according to claim 3, further comprising a reinforcing rod (24), wherein the top end of the reinforcing rod (24) is connected to the bottom end of the suction fan (13), and the bottom end of the reinforcing rod (24) is connected to the lower half area of the right side wall of the box body (1).
5. An indoor fine dust cleaning apparatus for indoor environmental protection according to claim 4, further comprising a left handle (25) and a right handle (26), wherein the bottom ends of the left handle (25) and the right handle (26) are connected to the left half area and the right half area of the top end of the cover (8), respectively.
6. An indoor fine dust cleaning apparatus for indoor environmental protection according to claim 5, further comprising a first handle (27) and a second handle (28), wherein the right end of the first handle (27) and the left end of the second handle (28) are connected to the upper half area of the left side wall of the first casing (16) and the right side wall of the second casing (17), respectively.
7. An indoor fine dust cleaning apparatus for indoor environmental protection according to claim 6, wherein a lower half area of a front sidewall of the cabinet (1) is provided with a viewing hole, and a transparent plate (29) is provided at the viewing hole.
8. The fine indoor dust cleaning apparatus for environmental protection as claimed in claim 7, further comprising a pulling ring (30), wherein a right end of said pulling ring (30) is connected to a central region of a left sidewall of said barrier (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020317850.5U CN212039652U (en) | 2020-03-13 | 2020-03-13 | Indoor fine dust cleaning equipment applied to indoor environment protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020317850.5U CN212039652U (en) | 2020-03-13 | 2020-03-13 | Indoor fine dust cleaning equipment applied to indoor environment protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212039652U true CN212039652U (en) | 2020-12-01 |
Family
ID=73531183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020317850.5U Expired - Fee Related CN212039652U (en) | 2020-03-13 | 2020-03-13 | Indoor fine dust cleaning equipment applied to indoor environment protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212039652U (en) |
-
2020
- 2020-03-13 CN CN202020317850.5U patent/CN212039652U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |