CN210788556U - Touch-sensitive screen dust collector - Google Patents
Touch-sensitive screen dust collector Download PDFInfo
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- CN210788556U CN210788556U CN201921388383.9U CN201921388383U CN210788556U CN 210788556 U CN210788556 U CN 210788556U CN 201921388383 U CN201921388383 U CN 201921388383U CN 210788556 U CN210788556 U CN 210788556U
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Abstract
The utility model relates to the technical field of auxiliary devices of dust removing equipment, in particular to a touch screen dust removing device which can suck away dust on a surface to be coated of a touch screen so as to achieve the purpose of dust removal, thereby reducing the probability that the touch screen is scratched by dust particles with larger hardness, and improving the use safety of the dust removing device; the left front side, the left rear side, the right front side and the right rear side of the bottom end of the workbench are respectively connected with the top ends of the four groups of supporting legs, the bottom end of the positioning plate is connected with the middle part of the top end of the workbench, and a clamping groove is formed in the top end of the positioning plate; the vacuum cleaner further comprises four groups of supporting rods, two groups of limiting rods, two groups of sliding rings, a mounting plate, a telescopic rod, a control spring, a baffle, a fixing block, an absorption cover, a dust suction box, an exhaust fan power assembly, a filter plate and two groups of switch rods, wherein the bottom ends of the four groups of supporting rods are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the top end of the workbench, and a flow cavity is arranged inside the absorption cover.
Description
Technical Field
The utility model relates to a dust collecting equipment auxiliary device's technical field especially relates to a touch-sensitive screen dust collector.
Background
As is known, the dust on the surface of the touch screen needs to be removed before the film is coated on the touch screen, wherein the touch screen dust removal device is a device for removing dust on the surface to be coated of the touch screen and is widely used in the field of touch screen production; the existing dust removal device for the touch screen comprises a workbench, four groups of supporting legs, a positioning plate, dry cleaning cloth and wet cleaning cloth, wherein the left front side, the left rear side, the right front side and the right rear side of the bottom end of the workbench are respectively connected with the top ends of the four groups of supporting legs, the bottom end of the positioning plate is connected with the middle part of the top end of the workbench, and a clamping groove is formed in the top end of the positioning plate; when the existing touch screen dust removal device is used, firstly, a touch screen to be coated is placed in a clamping groove of a positioning plate for positioning, then a worker lightly wipes the surface to be coated of the touch screen through wet cleaning cloth to wipe off dust on the surface of the touch screen, and then the touch screen is wiped dry through dry cleaning cloth; the existing dust removal device for the touch screen is found in use, when workers clean the white surface of the touch screen through wet cleaning cloth, the touch screen is probably scratched by dust particles with high hardness, and therefore the use safety of the existing dust removal device is reduced, and the practicability is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a can treat the dust of tectorial membrane face with the touch-sensitive screen and inhale away in order to reach the purpose of removing dust, consequently reduced the probability that the touch-sensitive screen was by the great dust particle fish tail of hardness, therefore improved dust collector's safety in utilization to strengthen the touch-sensitive screen dust collector of practicality.
The utility model discloses a touch screen dust removal device, which comprises a workbench, four groups of supporting legs and a positioning plate, wherein the left front side, the left rear side, the right front side and the right rear side of the bottom end of the workbench are respectively connected with the top ends of the four groups of supporting legs, the bottom end of the positioning plate is connected with the middle part of the top end of the workbench, and the top end of the positioning plate is provided with a clamping groove; the dust collection box comprises four groups of supporting rods, two groups of limiting rods, two groups of sliding rings, a mounting plate, a telescopic rod, a control spring, a baffle plate, a fixing block, an absorption cover, a dust collection box, an exhaust fan power assembly, a filter plate and two groups of switch rods, wherein the bottoms of the four groups of supporting rods are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the top end of the workbench, the tops of the two groups of supporting rods at the top end and the rear side of the two groups of supporting rods at the front side are respectively connected with the left side and the right side of the bottom end of the front side limiting rod and the left side and the right side of the bottom end of the rear side limiting rod, the two groups of sliding rings are respectively sleeved with the two groups of limiting rods in a sliding manner, the front end and the rear end of the mounting plate are respectively connected with the inner ends of the two groups of sliding rings, the control spring is movably sleeved with the top area of the telescopic rod, the top end and the bottom end of the control spring are respectively clung to the bottom end of the baffle and the top end of the fixed block, the front side and the rear side of the left end of the absorption cover are respectively connected with the right end of the fixed block, a flow chamber is arranged inside the absorption cover, the bottom end of the flow chamber is communicated with a dust suction port, the top end of the flow chamber is communicated with an output pipe, the left end of the dust suction box is connected with the right end of the workbench, a collection chamber is arranged inside the dust suction box, the top end of the collection chamber is communicated with the input end of the output pipe, the bottom end of the collection chamber is communicated with a recovery port, the exhaust fan power assembly is arranged in the middle area of the collection chamber, the filter plate slides in the bottom area of the collection chamber, the top end of the filter plate, the outer ends of the two groups of switch rods are hinged with the left side and the right side of the bottom end of the dust collection box respectively, and the inner sides of the top ends of the two groups of switch rods are tightly attached to the left side and the right side of the bottom end of the filter plate respectively.
The utility model discloses a touch-sensitive screen dust collector still includes micromotor and dust removal roller, the left end downside of fixed block runs through and is provided with U type working groove, the rear end in U type working groove runs through and is provided with the patchhole, the output of micromotor passes the patchhole and stretches into to U type working groove from the rear side of fixed block, the front end of micromotor is connected with the rear end of fixed block, the front end and the rear end of dust removal roller are provided with two sets of pivots respectively, and the rear side pivot is connected with the front side output of micromotor, the front end of front side pivot is rotated with the front end in U type working groove and is connected, the circumference lateral wall of dust removal roller evenly is provided with the multiunit fluff.
The utility model discloses a touch-sensitive screen dust collector still includes adjusting threaded rod and adjust knob, baffle top right side is run through and is provided with adjusting threaded hole, adjusting threaded rod's bottom is passed adjusting threaded hole and is stretched out to the downside of baffle from the upside spiral shell dress of baffle, adjusting threaded rod's top is connected with adjust knob's bottom.
The utility model discloses a touch-sensitive screen dust collector still includes the spring pad, the spring pad is with adjusting threaded rod's top suit, the top of spring pad is hugged closely with adjust knob's bottom.
The utility model discloses a touch-sensitive screen dust collector still includes the snap ring, the left end of snap ring is connected with the right-hand member of mounting panel, the snap ring fastens the suit with the output tube.
The utility model discloses a touch-sensitive screen dust collector still includes the dismouting handle, the top front side and the rear side year of dismouting handle are connected with the bottom front side and the rear side of filter respectively.
The utility model discloses a touch-sensitive screen dust collector still includes two sets of rotation handles, the top of two sets of rotation handles is connected with the bottom inboard of two sets of switch levers respectively.
The utility model discloses a touch-sensitive screen dust collector, the left end of draw-in groove and the middle part of right-hand member communicate respectively and are provided with two sets of grooves of getting and put.
Compared with the prior art, the beneficial effects of the utility model are that: after the touch screen is positioned in the clamping groove of the positioning plate, the suction fan power assembly is started to enable a dust suction port of an absorption cover communicated with an output pipe of the dust suction box to generate strong suction force, then a worker holds the baffle plate and presses the baffle plate downwards to enable the baffle plate to drive the absorption cover to descend for a certain distance through the telescopic rod and the fixed block, the dust suction port is close to the top of the touch screen but not in contact with the top of the touch screen, then the current height of the absorption cover pushes the baffle plate leftwards, the baffle plate drives the mounting plate to move leftwards under the limiting of the two groups of sliding rings and the two groups of limiting rods through the telescopic rod, meanwhile, the absorption cover moves to the top of the touch screen and moves leftwards and rightwards, at the moment, dust at the top of the touch screen is sucked into the dust suction box through the absorption cover, after being filtered by the fine filter screen of the fine filter screen, the dust, after the absorbing cover slides from right to left at the top of the touch screen, the dust removing process of the touch screen is completed, and finally, the two groups of switch rods are unscrewed and the filter plate is taken out of the dust collecting box to clean dust on the fine filter screen, so that the dust on the film surface to be coated on the touch screen is sucked away to achieve the purpose of dust removal, the probability that the touch screen is scratched by dust particles with high hardness is reduced, the use safety of the dust removing device is improved, and the practicability is enhanced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the connection structure of the micro motor and the dust removing roller of the present invention;
FIG. 3 is a schematic view of the connection structure of the mounting plate and two sets of slip rings according to the present invention;
FIG. 4 is a schematic view of the connection structure of the slot and the two sets of pick-and-place slots of the present invention;
in the drawings, the reference numbers: 1. a work table; 2. four groups of supporting legs; 3. positioning a plate; 4. a card slot; 5. four groups of support rods; 6. two sets of limiting rods; 7. two sets of slip rings; 8. mounting a plate; 9. a telescopic rod; 10. a control spring; 11. a baffle plate; 12. a fixed block; 13. an absorbent cover; 14. a dust collection box; 15. an exhaust fan power assembly; 16. a filter plate; 17. two sets of switch levers; 18. an output pipe; 19. a fine filter screen; 20. a micro-motor; 21. a dust removal roller; 22. adjusting the threaded rod; 23. a plurality of groups of fluff; 24. adjusting a knob; 25. a spring pad; 26. a snap ring; 27. disassembling and assembling the handle; 28. two sets of rotating handles; 29. two groups of taking and placing grooves; 30. a collection chamber.
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 fig. 1 to 4, the touch screen dust removing device of the present invention comprises a workbench 1, four sets of legs 2 and a positioning plate 3, wherein the left front side, the left rear side, the right front side and the right rear side of the bottom end of the workbench 1 are respectively connected with the top ends of the four sets of legs 2, the bottom end of the positioning plate 3 is connected with the middle part of the top end of the workbench 1, and the top end of the positioning plate 3 is provided with a clamping groove 4; the device also comprises four groups of supporting rods 5, two groups of limiting rods 6, two groups of sliding rings 7, a mounting plate 8, a telescopic rod 9, a control spring 10, a baffle 11, a fixed block 12, an absorption cover 13, a dust collection box 14, an exhaust fan power assembly 15, a filter plate 16 and two groups of switch rods 17, wherein the bottom ends of the four groups of supporting rods 5 are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the top end of the workbench 1, the top ends of the two groups of supporting rods on the front side and the top ends of the two groups of supporting rods on the rear side are respectively connected with the left side and the right side of the bottom end of the front side limiting rod and the left side and the right side of the bottom end of the rear side limiting rod, the two groups of sliding rings 7 are respectively sleeved with the two groups of limiting rods 6, the front end and the rear end of the mounting plate 8 are respectively connected with the inner ends of the two groups of sliding rings 7, a telescopic, the control spring 10 is movably sleeved with the top area of the telescopic rod 9, the top end and the bottom end of the control spring 10 are respectively clung to the bottom end of the baffle plate 11 and the top end of the fixed block 12, the front side and the rear side of the left end of the absorption cover 13 are respectively connected with the right end of the fixed block 12, a flow chamber is arranged inside the absorption cover 13, the bottom end of the flow chamber is communicated with a dust suction port, the top end of the flow chamber is communicated with an output pipe 18, the left end of the dust suction box 14 is connected with the right end of the workbench 1, a collection chamber 30 is arranged inside the dust suction box 14, the top end of the collection chamber 30 is communicated with the input end of the output pipe 18, the bottom end of the collection chamber 30 is communicated with a recovery port, the exhaust fan power assembly 15 is arranged in the middle area of the collection chamber 30, the filter plate 16 is slidably clamped with the bottom, the outer ends of the two groups of switch rods 17 are respectively hinged with the left side and the right side of the bottom end of the dust collection box 14, and the inner sides of the top ends of the two groups of switch rods 17 are respectively clung to the left side and the right side of the bottom end of the filter plate 16; after the touch screen is positioned in the clamping groove of the positioning plate, the suction fan power assembly is started to enable a dust suction port of an absorption cover communicated with an output pipe of the dust suction box to generate strong suction force, then a worker holds the baffle plate and presses the baffle plate downwards to enable the baffle plate to drive the absorption cover to descend for a certain distance through the telescopic rod and the fixed block, the dust suction port is close to the top of the touch screen but not in contact with the top of the touch screen, then the current height of the absorption cover pushes the baffle plate leftwards, the baffle plate drives the mounting plate to move leftwards under the limiting of the two groups of sliding rings and the two groups of limiting rods through the telescopic rod, meanwhile, the absorption cover moves to the top of the touch screen and moves leftwards and rightwards, at the moment, dust at the top of the touch screen is sucked into the dust suction box through the absorption cover, after being filtered by the fine filter screen of the fine filter screen, the dust, after the absorbing cover slides from right to left at the top of the touch screen, the dust removing process of the touch screen is completed, at last, the two groups of switch rods are unscrewed, the filter plate is taken out of the dust collecting box to clean dust on the fine filter screen, and therefore the dust on the film surface of the touch screen to be coated is sucked away to achieve the purpose of dust removal, the probability that the touch screen is scratched by dust particles with high hardness is reduced, the use safety of the dust removing device is improved, and the practicability is enhanced
The utility model discloses a touch-sensitive screen dust collector, still include micromotor 20 and dust removal roller 21, the left end downside of fixed block 12 runs through and is provided with U type working groove, the rear end of U type working groove runs through and is provided with the patchhole, micromotor 20's output passes the patchhole and stretches into in the U type working groove from the rear side of fixed block 12, micromotor 20's front end is connected with the rear end of fixed block 12, the front end and the rear end of dust removal roller 21 are provided with two sets of pivots respectively, the rear side pivot is connected with micromotor 20's front side output, the front end of front side pivot is connected with the front end rotation of U type working groove, the circumference lateral wall of dust removal roller 21 evenly is provided with multiunit fluff 23; before the top dust absorption of touch-sensitive screen through the absorption cover, open micromotor and make micromotor's output drive the dust removal roller and rotate, at this moment the dust removal roller then can clean the dust at touch-sensitive screen top, the dust more stubborn on the touch-sensitive screen then is cleaned to no longer hugging closely at the touch-sensitive screen top by the dust removal roller, then easily is absorbed by the absorption cover, therefore dust collector's dust removal effect has been improved to use limitation has been reduced.
The utility model discloses a touch-sensitive screen dust collector, still include adjusting threaded rod 22 and adjust knob 24, the right side of baffle 11 top runs through and is provided with the adjusting screw hole, the bottom of adjusting threaded rod 22 is installed with the spiral shell from the upside of baffle 11 and is passed the adjusting screw hole and stretch out to the downside of baffle 11, the top of adjusting threaded rod 22 is connected with the bottom of adjust knob 24; rotate adjusting threaded rod through adjust knob and can change adjusting threaded rod at the extension length of baffle downside, at this moment when pressing the baffle, adjusting threaded rod top is spacing on pressing the pressure board simultaneously, has avoided fixed block and touch-sensitive screen contact and has caused the probability that the touch-sensitive screen damaged to the security has been strengthened.
The utility model discloses a touch screen dust removal device, which also comprises a spring pad 25, wherein the spring pad 25 is sleeved with the top of the adjusting threaded rod 22, and the top end of the spring pad 25 is clung to the bottom end of the adjusting knob 24; carry on spacingly through adjust knob to adjusting threaded rod through the spring pad, reduced adjusting threaded rod not hard up probability by oneself in the adjusting threaded hole of baffle to reinforcing practicality.
The utility model discloses a touch screen dust removal device, still include snap ring 26, the left end of snap ring 26 is connected with the right-hand member of mounting panel 8, snap ring 26 and output tube 18 fastening suit; the output tube is fixed through the snap ring, so that the influence of the output tube on the dust removal process of the dust removal device is reduced, and the practicability is enhanced.
The utility model discloses a touch screen dust removal device, which also comprises a disassembly and assembly handle 27, wherein the front side and the rear side of the top end of the disassembly and assembly handle 27 are respectively connected with the front side and the rear side of the bottom end of the filter plate 16; make the dismouting of filter more convenient through the dismouting handle to the convenience has been strengthened.
The utility model discloses a touch screen dust removal device, which also comprises two groups of rotating handles 28, wherein the top ends of the two groups of rotating handles 28 are respectively connected with the inner sides of the bottom ends of the two groups of switch rods 17; the two groups of rotating handles enable the two groups of switch rods to rotate more conveniently, so that the practicability is enhanced.
The utility model discloses a touch screen dust removal device, the middle parts of the left end and the right end of a clamping groove 4 are respectively communicated with two groups of taking and placing grooves 29; the touch screen is more convenient to take and place in the clamping groove of the positioning plate through the two groups of taking and placing grooves, so that the practicability is enhanced.
The utility model discloses a touch screen dust removing device, when it works, after the touch screen is positioned in the clamping groove of the positioning plate, the power component of the exhaust fan is started to make the dust suction port of the absorbing cover communicated with the output tube of the dust suction box generate strong suction, then the staff holds the baffle and presses the baffle downwards to make the baffle drive the absorbing cover to descend for a certain distance through the telescopic link and the fixed block, so that the dust suction port is closer to the top of the touch screen but not contacted, then the current height of the absorbing cover pushes the baffle leftwards, at the moment, the baffle drives the mounting plate to move leftwards under the limit of two sets of slip rings and two sets of limit rods through the telescopic link, at the same time, the absorbing cover moves to the top of the touch screen and moves leftwards, at the moment, the dust at the top of the touch screen is sucked into the dust suction box through the absorbing cover, after the, the dust has been filtered at the top of fine filter screen, and the air passes fine filter screen and is discharged the suction box, after the absorption cover slided from the right side left side at the top of touch-sensitive screen, then accomplished the dusting process of touch-sensitive screen, at last with two sets of switch levers unscrew and with the filter in the suction box take out the dust on the clearance fine filter screen can.
The terms "front", "rear", "left", "right" and the like as used herein are for illustrative purposes only.
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. A dust removal device for a touch screen comprises a workbench (1), four groups of supporting legs (2) and a positioning plate (3), wherein the left front side, the left rear side, the right front side and the right rear side of the bottom end of the workbench (1) are respectively connected with the top ends of the four groups of supporting legs (2), the bottom end of the positioning plate (3) is connected with the middle part of the top end of the workbench (1), and a clamping groove (4) is formed in the top end of the positioning plate (3); it is characterized by also comprising four groups of supporting rods (5), two groups of limiting rods (6), two groups of sliding rings (7), a mounting plate (8), a telescopic rod (9), a control spring (10), a baffle (11), a fixed block (12), an absorption cover (13), a dust collection box (14), an exhaust fan power assembly (15), a filter plate (16) and two groups of switch rods (17), wherein the bottom ends of the four groups of supporting rods (5) are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the top end of the workbench (1), the top ends of the two groups of supporting rods at the front side and the top ends of the two groups of supporting rods at the rear side are respectively connected with the left side and the right side of the bottom end of the front side limiting rod and the left side and the right side of the bottom end of the rear side limiting rod, the two groups of sliding rings (7) are respectively slidably sleeved with the two groups of limiting rods (6), the front end, the top middle part of mounting panel (8) is run through and is provided with the flexible hole, flexible hole and telescopic link (9) slip suit, the top and the bottom of telescopic link (9) are connected with the bottom of baffle (11) and the top of fixed block (12) respectively, control spring (10) and the regional activity suit in telescopic link (9) top, the top and the bottom of control spring (10) are hugged closely with the bottom of baffle (11) and the top of fixed block (12) respectively, the left end front side and the rear side of absorption hood (13) are connected with the right-hand member of fixed block (12) respectively, the inside of absorption hood (13) is provided with the chamber that flows, the bottom intercommunication in chamber that flows is provided with the dust absorption mouth, the top intercommunication in chamber that flows is provided with output tube (18), the left end and the right-hand member of workstation (1) of dust absorption case (14) are connected, the inside of dust case (14) is provided with collects chamber (30), the top of collecting chamber (30) and the input intercommunication of output tube (18), the bottom intercommunication of collecting chamber (30) is provided with retrieves the mouth, air exhauster power component (15) are installed in the middle part region of collecting chamber (30), filter (16) clamp with the regional slip in bottom of collecting chamber (30), the top of filter (16) is run through and is provided with the filtration pore, be provided with fine filtration net (19) in the filtration pore, the outer end of two sets of switch levers (17) is articulated with the bottom left side and the right side of suction box (14) respectively, the top inboard of two sets of switch levers (17) is hugged closely with the bottom left side and the right side of filter (16) respectively.
2. The touch screen dust removing device according to claim 1, further comprising a micro motor (20) and a dust removing roller (21), wherein a U-shaped working groove is formed in the lower side of the left end of the fixed block (12) in a penetrating manner, an insertion hole is formed in the rear end of the U-shaped working groove in a penetrating manner, an output end of the micro motor (20) penetrates through the insertion hole from the rear side of the fixed block (12) and extends into the U-shaped working groove, the front end of the micro motor (20) is connected with the rear end of the fixed block (12), two sets of rotating shafts are respectively arranged at the front end and the rear end of the dust removing roller (21), the rear rotating shaft is connected with the front side output end of the micro motor (20), the front end of the front rotating shaft is rotatably connected with the front end of the U-shaped working groove, and multiple sets of soft hairs (23) are uniformly arranged on the circumferential side wall of the dust removing roller (21).
3. The touch screen dust removing device as claimed in claim 2, further comprising an adjusting threaded rod (22) and an adjusting knob (24), wherein an adjusting threaded hole is formed through the right side of the top end of the baffle plate (11), the bottom end of the adjusting threaded rod (22) is screwed through the adjusting threaded hole from the upper side of the baffle plate (11) and extends to the lower side of the baffle plate (11), and the top end of the adjusting threaded rod (22) is connected with the bottom end of the adjusting knob (24).
4. A touch screen dust removal device as claimed in claim 3, further comprising a spring pad (25), wherein the spring pad (25) is sleeved on the top of the adjusting threaded rod (22), and the top end of the spring pad (25) is abutted against the bottom end of the adjusting knob (24).
5. A touch screen dust extraction apparatus according to claim 4, further comprising a snap ring (26), wherein the left end of the snap ring (26) is connected to the right end of the mounting plate (8), and the snap ring (26) is fixedly sleeved with the output pipe (18).
6. A touchscreen dust removal device according to claim 5 further comprising a detachable handle (27), wherein the top front side and the back side of the detachable handle (27) are connected to the bottom front side and the back side of the filter panel (16), respectively.
7. A touch screen dust removal device according to claim 6, further comprising two sets of rotating handles (28), wherein the top ends of the two sets of rotating handles (28) are respectively connected with the inner sides of the bottom ends of the two sets of switch levers (17).
8. The touch screen dust removing device as claimed in claim 7, wherein two sets of taking and placing grooves (29) are respectively arranged at the middle parts of the left end and the right end of the clamping groove (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921388383.9U CN210788556U (en) | 2019-08-23 | 2019-08-23 | Touch-sensitive screen dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921388383.9U CN210788556U (en) | 2019-08-23 | 2019-08-23 | Touch-sensitive screen dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210788556U true CN210788556U (en) | 2020-06-19 |
Family
ID=71243857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921388383.9U Expired - Fee Related CN210788556U (en) | 2019-08-23 | 2019-08-23 | Touch-sensitive screen dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210788556U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112742828A (en) * | 2020-12-23 | 2021-05-04 | 王远霞 | Cleaning equipment for screen |
-
2019
- 2019-08-23 CN CN201921388383.9U patent/CN210788556U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112742828A (en) * | 2020-12-23 | 2021-05-04 | 王远霞 | Cleaning equipment for screen |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200619 Termination date: 20210823 |
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| CF01 | Termination of patent right due to non-payment of annual fee |