CN111803827B - High-altitude flight fire-fighting device for fire-fighting emergency - Google Patents
High-altitude flight fire-fighting device for fire-fighting emergency Download PDFInfo
- Publication number
- CN111803827B CN111803827B CN202010686060.9A CN202010686060A CN111803827B CN 111803827 B CN111803827 B CN 111803827B CN 202010686060 A CN202010686060 A CN 202010686060A CN 111803827 B CN111803827 B CN 111803827B
- Authority
- CN
- China
- Prior art keywords
- equipment main
- fire
- injection pipe
- altitude flight
- main body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/02—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
- A62C3/0228—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires with delivery of fire extinguishing material by air or aircraft
- A62C3/0242—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires with delivery of fire extinguishing material by air or aircraft by spraying extinguishants from the aircraft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to the technical field of fire fighting and extinguishment, and discloses a high-altitude flight fire fighting device for fire fighting and emergency, which comprises an equipment main body, wherein a lower inner cavity of the equipment main body is rotatably connected with a rotating crank, the lower inner cavity of the equipment main body is slidably connected with symmetrical slide blocks, a first connecting rod is movably connected between the slide blocks and the rotating crank, the lower end of the equipment main body is fixedly connected with symmetrical fixed rods, the lower end of each fixed rod is rotatably connected with an injection pipe, and the lower end of each slide block is fixedly connected with a guide rod extending to the injection pipe. This high altitude flight fire control unit of fire control emergency usefulness rotates through crank rotation, drives first connecting rod and makes slider reciprocating motion, and the slider drives the guide arm promptly, makes the injection pipe reciprocating deflection of symmetry, and the cooperation utilizes the motion of annular electromagnet control rack, the condition of being connected of reasonable control locking piece and drive screw to great promotion fire extinguishing efficiency, guaranteed the reliability when the device uses.
Description
Technical Field
The invention relates to the technical field of fire fighting, in particular to a high-altitude flying fire fighting device for fire fighting and emergency.
Background
Along with the improvement of scientific and technological capability of China, fire-fighting facilities are greatly improved, at present, when fire-fighting work is carried out in a fire situation area which is hard to involve in high-rise buildings or other fire-fighting personnel, a high-altitude flight fire-fighting device is needed, the range of spraying fire-fighting solution is small when the high-altitude flight fire-fighting device is used, the fire-fighting efficiency is low, and the fire situation area is often accompanied by large smoke dust, so when the fire-fighting device stays in the smoke dust for a long time, a camera face on the high-altitude flight fire-fighting device is adhered by the smoke dust, the observation interface of the personnel outside the field is not clear, in order to solve the problem, part of the high-altitude flight fire-fighting device can clean the mirror face of the camera device, but because the cleaning mechanism has the problem of continuous and ceaseless movement, the electric quantity in a battery can be greatly consumed by the flight device, causing a loss of power.
Aiming at the defects of the prior art, the invention provides the high-altitude flying fire-fighting device for fire-fighting emergency, which has the advantages of greatly improving the fire-fighting efficiency, ensuring the reliability of the device in use and the like, and solves the problems of low fire-fighting efficiency and large power consumption of the device in use of the common high-altitude flying fire-fighting device for fire-fighting emergency in work.
Disclosure of Invention
In order to achieve the purposes of greatly improving the fire extinguishing efficiency, ensuring the reliability of the device in use and the like, the invention provides the following technical scheme: a high-altitude flight fire-fighting device for fire-fighting emergency comprises an equipment main body, wherein a lower inner cavity of the equipment main body is rotatably connected with a rotating crank, a lower inner cavity of the equipment main body is slidably connected with symmetrical sliders, a first connecting rod is movably connected between the sliders and the rotating crank, a symmetrical fixed rod is fixedly connected at the lower end of the equipment main body, an injection pipe is rotatably connected at the lower end of the fixed rod, a guide rod extending to the injection pipe is fixedly connected at the lower end of the slider, symmetrical limiting plates are fixedly arranged at the upper inner cavity of the equipment main body, a movable frame is slidably connected at the inner side of the limiting plates, symmetrical locking blocks are slidably connected on the inner cavity rear wall of the movable frame, a transmission gear is rotatably connected on the inner cavity front wall of the movable frame, a second connecting rod is movably connected between the transmission gear and the locking blocks, and a cleaning strip is fixedly connected between the movable frames, the utility model discloses a clean strip, including the front end of clean strip, the front end of clean strip middle part fixed mounting has the annular electromagnet, the front end sliding connection of clean strip has the rack that extends to the drive gear and go up the symmetry, the first spring of fixedly connected with between the rack, fixedly connected with second spring between activity frame and the limiting plate, the upper portion inner chamber of equipment main part rotates and is connected with the drive screw of symmetry, the fixed carousel that has cup jointed in drive screw's bottom, even winding has the rope that extends to on the slider on the carousel, the rear fixed mounting of the clean strip of upper portion inner chamber of equipment main part has camera device.
Preferably, the lower inner cavity of the device body is provided with a guide wheel matched with the rope, so that the stress direction of the rope is changed, and the rope is conveniently pulled by the sliding block.
Preferably, the upper end of the rear part of the injection pipe is provided with a guide groove matched with the guide rod, so that the injection pipe can be driven to deflect left and right when the guide rod moves.
Preferably, the inner side of the locking block is provided with a groove matched with the transmission screw rod, the groove is internally provided with a thread matched with the transmission screw rod, and when the corresponding locking blocks are mutually folded, the folded whole body can be in threaded connection with the transmission screw rod.
Preferably, the rear end of the cleaning strip is provided with a cleaning groove, so that the cleaning capability of the smoke dust is improved.
Preferably, one end of the rack close to the annular electromagnet is coated with a magnetic substance, so that the annular electromagnet can attract the racks on two sides to move oppositely after being electrified.
Preferably, the lower end of the rotary table is provided with a torsion spring extending to the lower wall of the inner cavity of the equipment main body, so that the transmission screw can be driven to rotate and reset when the rope does not apply tension to the rotary table.
Advantageous effects
Compared with the prior art, the invention provides a high-altitude flight fire-fighting device for fire-fighting emergency, which has the following beneficial effects:
1. this high altitude flight fire control unit of fire control emergency usefulness through flying equipment main part to the appointed place after, the drive crank that rotates utilizes the slider reciprocating motion of first connecting rod pulling both sides, and the slider passes through the guide arm then, drives the reciprocal deflection of injection pipe for the range increase of injection pipe spraying solution of putting out a fire, and because the injection pipe symmetry sets up, and then can make the fire control effect better, thereby great promotion fire extinguishing efficiency.
2. This high altitude flight fire control unit of fire control emergency usefulness, the mirror surface through camera device is by the smoke and dust adhesion, starts the rack that the annular electromagnet attracts both sides for the locking piece group draws in, and with drive screw threaded connection, can rotate through rope pulling carousel during the slider motion, and cooperation drive screw rotates together, and the activity frame area moves promptly the cleaning strip and accomplishes the cleaning work to camera device, thereby guarantees that off-site personnel are clear understanding the condition of a fire constantly.
3. This high altitude flight fire control unit of fire control emergency usefulness, through the drive mechanism who utilizes rack and drive gear, the cooperation second connecting rod, under the uncompressed condition of first spring, the control locking piece is the separation form, and then can be when camera device's mirror surface does not need clean, make drive screw not with locking piece threaded connection, each item frictional resistance who overcomes when the crank rotates is still less promptly, the reducible loss to the driving energy of device body that corresponds, thereby reliability when having guaranteed the device use.
Drawings
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is a left side sectional view of a connecting portion of an injection pipe and the like of the present invention;
FIG. 3 is a rear view of a connecting portion of a transmission gear and the like of the present invention;
FIG. 4 is a left side view of the connecting portion of the crank handle of the present invention;
FIG. 5 is a top view of a connecting portion of a drive screw or the like of the present invention.
In the figure: 1. an apparatus main body; 2. rotating a crank; 3. a slider; 4. a first link; 5. fixing the rod; 6. an injection pipe; 7. a guide bar; 8. a limiting plate; 9. a movable frame; 10. a locking block; 11. a transmission gear; 12. a second link; 13. a cleaning strip; 14. an annular electromagnet; 15. a rack; 16. a first spring; 17. a second spring; 18. a drive screw; 19. a turntable; 20. a rope; 21. an image pickup device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an aerial flight fire-fighting device for fire-fighting emergency comprises a device body 1, a guide wheel matched with a rope 20 is arranged in the lower inner cavity of the device body 1, so as to change the stress direction of the rope 20 and facilitate the rope to be pulled by a slide block 3, a rotary crank 2 is rotatably connected with the lower inner cavity of the device body 1, symmetrical slide blocks 3 are slidably connected with the lower inner cavity of the device body 1, a first connecting rod 4 is movably connected between the slide block 3 and the rotary crank 2, symmetrical fixing rods 5 are fixedly connected with the lower end of the device body 1, an injection pipe 6 is rotatably connected with the lower end of the fixing rod 5, a guide groove matched with a guide rod 7 is formed in the upper end of the rear part of the injection pipe 6, so that the injection pipe 6 can be driven to deflect left and right when the guide rod 7 moves, the rotary crank 2 is driven to rotate after the device body 1 flies to a designated place, utilize the 3 reciprocating motion of slider of 4 pulling both sides of first connecting rod, slider 3 then through guide arm 7, drives injection pipe 6 reciprocating deflection for injection pipe 6 sprays the scope increase of solution of putting out a fire, and because 6 symmetries of injection pipe set up, and then can make the fire extinguishing effect better, thereby great promotion fire extinguishing efficiency.
The lower end of the sliding block 3 is fixedly connected with a guide rod 7 extending to the injection pipe 6, the upper inner cavity of the device main body 1 is fixedly provided with symmetrical limit plates 8, the inner side of the limit plate 8 is connected with a movable frame 9 in a sliding way, the rear wall of the inner cavity of the movable frame 9 is connected with symmetrical locking blocks 10 in a sliding way, the inner side of each locking block 10 is provided with a groove matched with the transmission screw 18, the groove is internally provided with threads matched with the transmission screw 18, when the corresponding locking blocks 10 are mutually folded, the folded whole can be in threaded connection with the transmission screw 18, by utilizing the transmission mechanism of the rack 15 and the transmission gear 11 and matching with the second connecting rod 12, under the condition that the first spring 16 is not compressed, the locking blocks 10 are controlled to be in a separated shape, further, when the mirror surface of the camera device 21 does not need to be cleaned, the transmission screw 18 is not in threaded connection with the locking blocks 10, and all the frictional resistance overcome when the rotating crank 2 rotates is less, the corresponding device body can reduce the loss of driving energy, thereby ensuring the reliability of the device when in use.
A transmission gear 11 is rotatably connected on the front wall of the inner cavity of the movable frame 9, a second connecting rod 12 is movably connected between the transmission gear 11 and the locking block 10, a cleaning strip 13 is fixedly connected between the movable frames 9, a cleaning groove is formed in the rear end of the cleaning strip 13, so that the cleaning capacity for smoke dust is improved, an annular electromagnet 14 is fixedly installed in the middle of the front end of the cleaning strip 13, a rack 15 which extends to the transmission gear 11 in a symmetrical mode is connected at the front end of the cleaning strip 13 in a sliding mode, a magnetic substance is coated at one end, close to the annular electromagnet 14, of the rack 15, so that the rack 15 at two sides can be attracted to move oppositely after the annular electromagnet 14 is electrified, a first spring 16 is fixedly connected between the racks 15, a second spring 17 is fixedly connected between the movable frame 9 and the limiting plate 8, a symmetrical transmission screw 18 is rotatably connected to the inner cavity at the upper portion of the equipment main body 1, and a rotating disc 19 is fixedly sleeved at the bottom of the transmission screw 18, the lower extreme of carousel 19 is provided with the torsion spring that extends to on the inner chamber lower wall of equipment main part 1, thereby when guaranteeing that rope 20 does not exert pulling force to carousel 19, drive screw 18 can be driven and rotate and reset, evenly twine the rope 20 that has to extend to on the carousel 19 on the slider 3, the rear fixed mounting of the clean strip 13 of upper portion inner chamber of equipment main part 1 has camera device 21, the mirror surface through camera device 21 is adhered by the smoke and dust, start annular electromagnet 14 and attract the rack 15 of both sides, make locking piece 10 group draw in, and with drive screw 18 threaded connection, can pass through rope 20 pulling carousel 19 rotation when slider 3 moves, cooperation drive screw 18 rotates together, movable frame 9 takes promptly to move clean strip 13 completion to camera device 21's cleaning work, thereby guarantee that off-site personnel know the condition of a fire clearly constantly.
The working principle is as follows: the high-altitude flying fire-fighting device for fire-fighting emergency is characterized in that when a fire-fighting emergency task is carried out, after the equipment main body 1 flies to a specified place, the driving device is started to drive the rotating crank 2 to rotate, the rotating crank 2 pushes and pulls the sliding blocks 3 on two sides by utilizing the first connecting rod 4, the sliding blocks 3 reciprocate left and right, and then the sliding blocks 3 drive the injection pipes 6 to deflect left and right in a reciprocating manner through the guide rods 7, so that the range of the injection pipes 6 spraying fire-fighting solution is enlarged, and the fire-fighting effect is better due to the symmetrical arrangement of the injection pipes 6, so that the fire-fighting efficiency is greatly improved, as the fire area is often covered by smoke dust, when the equipment main body 1 is in the smoke dust for a long time, the mirror surface at the front end of the camera 21 is adhered by the smoke dust, so that the observation picture of off-site personnel is not clear, the control of the equipment main body 1 is influenced, and the distance between the sliding blocks 3 on two sides is the largest, the annular electromagnet 14 is started to attract the racks 15 on two sides, the racks 15 drive the transmission gear 11 to deflect, the transmission gear 11 drives the corresponding locking block 10 group to fold, so that the locking block 10 group is in threaded connection with the transmission screw 18, when the sliding blocks 3 on two sides move oppositely, the rotating disc 19 can be pulled to rotate through the rope 20, when the sliding blocks 3 move backwards, and the rope 20 does not apply pulling force to the rotating disc 19, the rotating disc 19 can reset under the action of the torsion spring, the corresponding locking block 10 group drives the movable frame 9, and the movable frame 9 drives the cleaning strip 13 to move along the limiting plate 8, so as to complete the cleaning work of the camera device 21, thereby ensuring that outdoor personnel can clearly know the fire constantly, because the transmission mechanism of the racks 15 and the transmission gear 11 is utilized, the second connecting rod 12 is matched, and under the condition that the first spring 16 is not compressed, the locking blocks 10 are controlled to be in a separated shape, so that the mirror surface of the camera device 21 does not need to be cleaned, the transmission screw 18 is not in threaded connection with the locking block 10, the frictional resistance overcome when the rotating crank 2 rotates is less, the loss of driving energy sources can be reduced by the corresponding device body, the equipment main body 1 has enough power supply for flying, and the spraying of fire extinguishing solution is supplied, so that the reliability of the device in use is ensured.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a high altitude flight fire control unit of fire control emergency usefulness, includes equipment main part (1), its characterized in that: the lower part inner chamber of equipment main part (1) rotates and is connected with crank handle (2), the lower part inner chamber sliding connection of equipment main part (1) has slider (3) of symmetry, swing joint has first connecting rod (4) between slider (3) and crank handle (2), the lower extreme fixedly connected with symmetrical dead lever (5) of equipment main part (1), the lower extreme rotation of dead lever (5) is connected with injection pipe (6), the lower extreme fixedly connected with of slider (3) extends to guide arm (7) on injection pipe (6), the upper portion inner chamber fixed mounting of equipment main part (1) has symmetrical limiting plate (8), the inboard sliding connection of limiting plate (8) has movable frame (9), sliding connection has symmetrical locking piece (10) on the inner chamber back wall of movable frame (9), rotating connection has drive gear (11) on the inner chamber front wall of movable frame (9), swing joint has second connecting rod (12) between drive gear (11) and locking piece (10), clean strip (13) of fixedly connected with between activity frame (9), the front end middle part fixed mounting of clean strip (13) has annular electromagnet (14), the front end sliding connection of clean strip (13) has rack (15) that extends to drive gear (11) and goes up the symmetry, the first spring of fixedly connected with (16) between rack (15), fixedly connected with second spring (17) between activity frame (9) and limiting plate (8), the upper portion inner chamber rotation of equipment main part (1) is connected with drive screw (18) of symmetry, the fixed cup joint in bottom of drive screw (18) has carousel (19), even winding has rope (20) that extend to on slider (3) on carousel (19), the rear fixed mounting of the clean strip (13) of upper portion inner chamber of equipment main part (1) has camera device (21), the inner side of the locking block (10) is provided with a groove matched with the transmission screw (18), and one end of the rack (15) close to the annular electromagnet (14) is coated with a magnetic substance.
2. A high altitude flight fire fighting device as defined in claim 1, wherein: the lower inner cavity of the equipment main body (1) is provided with a guide wheel matched with the rope (20).
3. A high altitude flight fire fighting device as defined in claim 1, wherein: the upper end of the rear part of the injection pipe (6) is provided with a guide groove matched with the guide rod (7).
4. A high altitude flight fire fighting device as defined in claim 1, wherein: the rear end of the cleaning strip (13) is provided with a cleaning groove.
5. A high altitude flight fire fighting device as defined in claim 1, wherein: the lower end of the rotary table (19) is provided with a torsion spring extending to the lower wall of the inner cavity of the equipment main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010686060.9A CN111803827B (en) | 2020-07-16 | 2020-07-16 | High-altitude flight fire-fighting device for fire-fighting emergency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010686060.9A CN111803827B (en) | 2020-07-16 | 2020-07-16 | High-altitude flight fire-fighting device for fire-fighting emergency |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111803827A CN111803827A (en) | 2020-10-23 |
| CN111803827B true CN111803827B (en) | 2021-12-17 |
Family
ID=72865327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010686060.9A Expired - Fee Related CN111803827B (en) | 2020-07-16 | 2020-07-16 | High-altitude flight fire-fighting device for fire-fighting emergency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111803827B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112845229B (en) * | 2021-04-12 | 2022-07-22 | 山东隆锦信息科技有限公司 | A smart door lock fingerprint cleaning device for smart home |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107521691A (en) * | 2017-07-18 | 2017-12-29 | 葛顺英 | A kind of intelligent unmanned machine for fire-fighting based on Internet of Things |
| CN109050932A (en) * | 2018-09-20 | 2018-12-21 | 深圳市安思科电子科技有限公司 | A kind of Intelligent flight device for fire-fighting emergent |
| CN110015414A (en) * | 2019-04-17 | 2019-07-16 | 成都航空职业技术学院 | A kind of unmanned plane multi-angle oblique photographic equipment |
| US10413763B2 (en) * | 2015-06-01 | 2019-09-17 | Gi Yeon WON | Fire extinguishing firefighting drone |
-
2020
- 2020-07-16 CN CN202010686060.9A patent/CN111803827B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10413763B2 (en) * | 2015-06-01 | 2019-09-17 | Gi Yeon WON | Fire extinguishing firefighting drone |
| CN107521691A (en) * | 2017-07-18 | 2017-12-29 | 葛顺英 | A kind of intelligent unmanned machine for fire-fighting based on Internet of Things |
| CN109050932A (en) * | 2018-09-20 | 2018-12-21 | 深圳市安思科电子科技有限公司 | A kind of Intelligent flight device for fire-fighting emergent |
| CN110015414A (en) * | 2019-04-17 | 2019-07-16 | 成都航空职业技术学院 | A kind of unmanned plane multi-angle oblique photographic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111803827A (en) | 2020-10-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111803827B (en) | High-altitude flight fire-fighting device for fire-fighting emergency | |
| CN205697517U (en) | A kind of window wiping systems | |
| CN106539536B (en) | A kind of cladding glass cleaning robot | |
| CN107625478A (en) | A kind of good intelligent glass-cleaning robot of cleaning effect based on Internet of Things | |
| CN117339319B (en) | Air classification filtering and drying device for energy-saving air compressor | |
| CN210727636U (en) | a floor-to-ceiling window | |
| CN208317992U (en) | One kind is electronic to grab fish machine | |
| CN208065117U (en) | It is a kind of can obstacle detouring intelligent glass-cleaning robot | |
| CN113104709A (en) | Prevent weighing down clear elevator layer door and open protection device | |
| CN108158480A (en) | It is a kind of can obstacle detouring intelligent glass-cleaning robot | |
| CN207384192U (en) | Unmanned plane available for cleaning high-altitude glass | |
| CN217548856U (en) | Novel cart fire extinguisher | |
| CN217413991U (en) | Longmen truss-like indoor robot that patrols and examines | |
| CN206578049U (en) | AC system large-sized solar cell panel automatic cleaning device | |
| CN112603469B (en) | Ultrasonic knife with waste gas treatment function and waste gas treatment method | |
| CN113146681A (en) | Anti-skid wheel is by dead auxiliary assembly of hairline winding lock for artificial intelligence robot | |
| CN114554150B (en) | Liquid crystal display monitor with power-off protection device | |
| CN211802652U (en) | Air source heat pump host computer dust removal cleaning device | |
| CN219828198U (en) | Live livestock and poultry logistics real-time monitoring device | |
| CN208605107U (en) | Aluminum alloy doors and windows | |
| CN109939973A (en) | A kind of monitoring display screen wiping arrangement easy to use | |
| CN220402548U (en) | Rail-mounted sprinkler in greenhouse | |
| CN117188933B (en) | Aluminum-plastic composite door and window with ash removal function | |
| CN208417087U (en) | A kind of cleaning device of ceiling fan | |
| CN220962118U (en) | Interactive projection lamp with trackable lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20211201 Address after: 251600 No. 7, Shangxi Road, xushang street, Shanghe County, Jinan City, Shandong Province Applicant after: Jinan Lubei park development and Construction Co.,Ltd. Address before: 430070 Optical Valley Biological City, NO.666, Gaoxin Avenue, Hongshan District, Wuhan City, Hubei Province Applicant before: Chen Zhiyu |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |