CN213354425U - Lifting equipment for automobile maintenance and overhaul - Google Patents
Lifting equipment for automobile maintenance and overhaul Download PDFInfo
- Publication number
- CN213354425U CN213354425U CN202022528051.5U CN202022528051U CN213354425U CN 213354425 U CN213354425 U CN 213354425U CN 202022528051 U CN202022528051 U CN 202022528051U CN 213354425 U CN213354425 U CN 213354425U
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- bolt
- pneumatic cylinder
- maintenance
- overhaul
- 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
Landscapes
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The utility model discloses a lifting device for automobile maintenance and repair, which comprises a device body, wherein the middle part of the device body is provided with an overhaul platform, the bottom of the overhaul platform is provided with an overhaul inner groove, both sides of the overhaul inner groove are provided with hydraulic braking devices, the middle part of the top of the hydraulic braking device is provided with a second hydraulic cylinder, both sides of the second hydraulic cylinder are provided with first hydraulic cylinders, the top of the second hydraulic cylinder is provided with an anti-falling underframe, the lifting device has strong stability, an automobile can be quickly driven onto a lifting frame, and an automobile tire can be quickly fixed, the integral stability can be improved, the automobile bottom plate can be washed and dried, the cleanness degree of the chassis can be improved, the lifting device is convenient for workers to maintain and repair, illumination can be provided, the cleaning waste water can be recycled, the safety performance of the whole device is good, and the lifting device is very simple and convenient when the hydraulic device, the flexibility is strong, is convenient for people to use.
Description
Technical Field
The utility model relates to a car goes up and down to overhaul the field, specifically is a lifting means is used in car maintenance.
Background
When the car maintains and overhauls, often need adopt jacking equipment to go up and down to the take the altitude with the car, then the staff overhauls the car and maintains in the car bottom, but current jacking equipment function singleness, the flexibility is poor, the staff can not be fast on opening the car crane, can not fix automobile tire fast, can not wash and dry automobile chassis, it is inconvenient to bring maintenance and maintenance, and do not have the equipment of illumination and preventing falling, can not ensure staff's safety, can not retrieve the abluent waste water and recycle, can not the water economy resource, and when overhauing whole hydraulic system who is equipped with, it is very inconvenient, give people the operation and bring inconvenience.
Disclosure of Invention
The utility model aims at prior art's defect, provide a lifting means is used in car maintenance to solve the problem that above-mentioned background art provided.
In order to achieve the above object, the utility model provides a following technical scheme: a lifting device for automobile maintenance and overhaul comprises a device body, wherein an overhaul platform is arranged in the middle of the overhaul body, an overhaul inner groove is formed in the bottom of the overhaul platform, hydraulic braking devices are mounted on two sides of the overhaul inner groove, a second hydraulic cylinder is mounted in the middle of the top of each hydraulic braking device, first hydraulic cylinders are mounted on two sides of each second hydraulic cylinder, an anti-falling underframe is mounted at the top of each second hydraulic cylinder, hot air boxes are mounted at the tops of two ends of the anti-falling underframe, a water spray plate is mounted at the top of the middle of the anti-falling underframe, a lifting frame is mounted at the top of each first hydraulic cylinder, a lighting lamp plate is mounted on one side of the lifting frame, an air outlet plate is mounted at the bottom of the lighting lamp plate, guide wheel plates are mounted at two ends of the lifting frame, tire limiting block movable holes are formed in two sides of the, the tire stopper is installed at electric telescopic handle's top, one side of first pneumatic cylinder is equipped with the hole that leaks, the water tank is all installed to the one end both sides of equipment body, centrifugal pump is installed at the top of water tank, the internally mounted of water tank has the rose box, power control box is installed to other end one side of equipment body, the bottom one end of access desk is connected with protractile formula ladder, access desk connecting plate is all installed to the both sides of protractile formula ladder, install the third pneumatic cylinder on the access desk connecting plate.
As a preferred technical scheme of the utility model, the third pneumatic cylinder passes through the bolt and installs on the top of overhauing the inside groove, the welding of access panel connecting plate is on access panel one end bottom, the both sides of access panel all are equipped with the slider, hydraulic braking device's top inboard be equipped with slider assorted access panel spout, access panel and access panel spout activity link to each other.
As a preferred technical scheme of the utility model, the bolt is passed through to the one end of protractile formula ladder and is installed on the bottom of overhauing the inside groove, the other end of protractile formula ladder passes through the bolt and installs on the one end bottom of maintenance platform, hydraulic braking device adopts concrete and shaped steel to pour the support, and internally mounted has hydraulic tank and hydraulic oil pump, first pneumatic cylinder and second pneumatic cylinder all install on hydraulic braking device is inside through the bolt, the hydraulic oil pump passes through hydraulic oil pipe and links to each other with first pneumatic cylinder, second pneumatic cylinder and third pneumatic cylinder and hydraulic oil tank respectively, solenoid valve is all installed with hydraulic oil pipe's junction to first pneumatic cylinder, second pneumatic cylinder and third pneumatic cylinder.
As a preferred technical scheme of the utility model, the water tank passes through the bolt and installs on the both sides of equipment body, centrifugal pump passes through the bolt and installs on the top of water tank, the rose box passes through the bolt and installs on the inside of water tank.
As a preferred technical scheme of the utility model, centrifugal pump passes through the raceway and links to each other with water spray plate and water tank respectively, it passes through the bolt and installs on the top of second pneumatic cylinder to prevent weighing down the chassis, hot-blast case passes through the bolt and installs on the both ends top of preventing weighing down the chassis, hot-blast case passes through the connecting pipe and links to each other with the play aerofoil.
As the utility model discloses a preferred technical scheme, the crane passes through the bolt and installs on the top of first pneumatic cylinder, electric telescopic handle passes through the bolt and installs on the bottom of crane, the tire stopper passes through the bolt fastening with electric telescopic handle and links to each other, the tire stopper links to each other with tire stopper activity hole activity, the deflector plate welding is on the both ends of crane.
As a preferred technical scheme of the utility model, power control box respectively with hydraulic oil pump, electric telescopic handle, solenoid valve, hot-blast case, illumination lamp plate and centrifugal pump electric connection.
As the utility model discloses a preferred technical scheme, it all installs on one side of crane through the bolt to go out the aerofoil and the illumination lamp plate, the water spray plate passes through the bolt and installs on the top of preventing weighing down the chassis, the hole that leaks leads to pipe and links to each other with the water tank.
The utility model has the advantages that: this jacking equipment stability can be strong, can be fast open the car on the crane, and can fix automobile tire fast, improve holistic stability, can also wash and dry the car bottom plate, improve the clean degree on chassis, the staff of being convenient for overhauls and maintains, can also provide the illumination, can also carry out recycle to abluent waste water, and the security performance of whole equipment is good, adopt to prevent weighing down the effect that the chassis played duplicate protection, thereby improve staff's security performance, and also very simple and convenient when overhauing hydraulic equipment, the flexibility is strong, the people of being convenient for use.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the expanded structure of the maintenance platform of the present invention;
FIG. 3 is a schematic view of the internal structure of the internal slot for inspection and repair of the present invention;
fig. 4 is the utility model discloses the bottom structure schematic diagram of access desk.
In the figure: 1. the equipment body, 2, the maintenance platform, 3, first pneumatic cylinder, 4, the second pneumatic cylinder, 5, electric telescopic handle, 6, the crane, 7, tire stopper activity hole, 8, tire stopper, 9, prevent weighing down the chassis, 10, hot-blast case, 11, the raceway, 12, the illumination lamp plate, 13, go out the aerofoil, 14, the spray board, 15, the water tank, 16, the rose box, 17, centrifugal water pump, 18, hydraulic braking device, 19, the hole that leaks, 20, the power control box, 21, overhaul the inside groove, 22, but stretching type ladder, 23, the maintenance platform connecting plate, 24, maintenance platform spout, 25, the third pneumatic cylinder, 26, the guide pulley board.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be clearly and clearly defined.
Example (b): referring to fig. 1-4, the present invention provides a technical solution: a lifting device for automobile maintenance and overhaul comprises a device body 1, wherein an overhaul platform 2 is arranged in the middle of the overhaul body 1, an overhaul inner groove 21 is arranged at the bottom of the overhaul platform 2, hydraulic braking devices 18 are respectively arranged on two sides of the overhaul inner groove 21, a second hydraulic cylinder 4 is arranged in the middle of the top of each hydraulic braking device 18, first hydraulic cylinders 3 are respectively arranged on two sides of each second hydraulic cylinder 4, an anti-falling underframe 9 is arranged at the top of each second hydraulic cylinder 4, hot air boxes 10 are respectively arranged at the tops of two ends of each anti-falling underframe 9, a water spray plate 14 is arranged at the top of the middle of each anti-falling underframe 9, a lifting frame 6 is arranged at the top of each first hydraulic cylinder 3, an illuminating lamp plate 12 is arranged on one side of the lifting frame 6, an air outlet plate 13 is arranged at the bottom of the illuminating lamp plate 12, guide wheel, electric telescopic handle 5 is installed to the bottom of tire stopper activity hole 7, tire stopper 8 is installed at electric telescopic handle 5's top, one side of first pneumatic cylinder 3 is equipped with the hole 19 that leaks, water tank 15 is all installed to the one end both sides of equipment body 1, centrifugal pump 17 is installed at the top of water tank 15, the internally mounted of water tank 15 has rose box 16, power control box 20 is installed to other end one side of equipment body 1, the bottom one end of access desk 2 is connected with scalable formula ladder 22, access desk connecting plate 23 is all installed to scalable formula ladder 22's both sides, install third pneumatic cylinder 25 on the access desk connecting plate 23.
Third pneumatic cylinder 25 passes through the bolt and installs on the top of overhauing inside groove 21, maintenance platform connecting plate 23 welds on maintenance platform 2 one end bottom, the both sides of maintenance platform 2 all are equipped with the slider, hydraulic braking device 18's top inboard be equipped with slider assorted maintenance platform spout 24, maintenance platform 2 links to each other with maintenance platform spout 24 activity, can expand maintenance platform 2 and accomodate through the braking of third pneumatic cylinder 25, thereby be convenient for the staff enters into in maintenance platform spout 24.
One end of the extensible ladder 22 is arranged on the bottom of the maintenance inner groove 21 through a bolt, the other end of the extensible ladder 22 is arranged on the bottom of one end of the maintenance platform 2 through a bolt, the hydraulic brake device 18 is cast and supported by concrete and section steel to improve the integral stability, a hydraulic oil tank and a hydraulic oil pump are arranged inside the maintenance platform, the first hydraulic cylinder 3 and the second hydraulic cylinder 4 are both arranged on the inside of the hydraulic brake device 18 through bolts, the hydraulic oil pump is respectively connected with the first hydraulic cylinder 3, the second hydraulic cylinder 4, the third hydraulic cylinder 25 and the hydraulic oil tank through hydraulic oil pipes, electromagnetic valves are arranged at the joints of the first hydraulic cylinder 3, the second hydraulic cylinder 4 and the third hydraulic cylinder 25 and the hydraulic oil pipes, and the first hydraulic cylinder 3 can be braked by the hydraulic oil pump, the second hydraulic cylinder 4 and the third hydraulic cylinder 25 supply oil, and the first hydraulic cylinder 3, the second hydraulic cylinder 4 and the third hydraulic cylinder 25 are made to stretch.
The water tank 15 is installed on the two sides of the equipment body 1 through bolts, the centrifugal water pump 17 is installed on the top of the water tank 15 through bolts, the filter box 16 is installed on the inside of the water tank 15 through bolts, wastewater is filtered through the filter box 16, and wastewater can be recycled.
The air outlet plate 13 and the lighting lamp panel 12 are both installed on one side of the lifting frame 6 through bolts, the water spraying plate 14 is installed on the top of the anti-falling bottom frame 9 through bolts, and the water leakage hole 19 is connected with the water tank 15 through a water pipe.
The working principle is as follows: a lifting device for automobile maintenance and repair comprises a device body 1, when in use, a worker opens an automobile on a lifting frame 6 through a guide wheel plate 26, then the power supply of an electric telescopic rod 5 is switched on through a power switch on a power supply control box 20, the electric telescopic rod 5 is braked so as to extend a tire limiting block 8 out of a tire limiting block movable hole 7, the tire limiting block 8 is abutted against an automobile tire, then the power supply of a centrifugal water pump 17 is switched on, the centrifugal water pump 17 is braked so as to suck water in a water tank 15 into a water spraying plate 14 through a water conveying pipe 11, the water is sprayed out through water spraying holes on the water spraying plate 14 to flush an automobile bottom steel plate, flushed sewage enters a filter box 16 on the water tank 15 through a water leakage hole 19 and then enters the water tank 15 after being filtered by the filter box 16, so as to flush the bottom of the automobile and recycle waste water, after the washing is finished, the power supply of the hot air box 10 is switched on, the hot air fan in the hot air box 10 is braked to suck hot air to the air outlet plate 13 and the hot air is discharged through the air outlet on the air outlet plate 13 to dry the automobile chassis, then the power supply of the hydraulic oil pump in the hydraulic braking device 18 is switched on, the hydraulic oil pump is braked to suck hydraulic oil in the hydraulic oil tank into the first hydraulic cylinder 3 and the second hydraulic cylinder 4, so that the first hydraulic cylinder 3 and the second hydraulic cylinder 4 are braked to lift the lifting frame 6 and the anti-falling underframe 9 so as to lift the automobile to a proper height, a worker can stand at the maintenance platform 2 to maintain and repair the bottom of the automobile, the power supply of the illuminating lamp panel 12 can be switched on during maintenance, the illumination is carried out by utilizing the lamp panel 12, the maintenance is convenient for the worker to maintain, and after the maintenance and repair are finished, the lifting frame 6 and the anti-falling underframe 9 are slowly descended to the ground by the braking of the first hydraulic cylinder 3 and the second hydraulic cylinder 4, then the tire limit block 8 can be retracted into the tire limit block movable hole 7 by the braking of the electric telescopic rod 5, then the worker drives the automobile away from the lifting frame 6, when the lifting frame 6 and the anti-falling underframe 9 are descended, the electric telescopic rod 5 is inserted into one side in the water leakage hole 19, when the hydraulic braking device 18 needs to be overhauled, the electromagnetic valve power supply on the hydraulic oil pump and the third hydraulic cylinder 25 can be switched on, the third hydraulic cylinder 25 brakes to move the maintenance platform 2 on the maintenance platform sliding groove 24, so that the maintenance platform 2 is accommodated in the equipment body 1, the internal groove extensible ladder 22 is pulled away from the maintenance inner groove 21, and the worker can enter the maintenance inner groove 21 through the extensible ladder 22 to overhaul the hydraulic braking device 18, the operation is simple and convenient, the flexibility is strong, and the use by people is convenient.
This jacking equipment stability can be strong, can be fast open the car on the crane, and can fix automobile tire fast, improve holistic stability, can also wash and dry the car bottom plate, improve the clean degree on chassis, the staff of being convenient for overhauls and maintains, can also provide the illumination, can also carry out recycle to abluent waste water, and the security performance of whole equipment is good, adopt to prevent weighing down the effect that the chassis played duplicate protection, thereby improve staff's security performance, and also very simple and convenient when overhauing hydraulic equipment, the flexibility is strong, the people of being convenient for use.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (8)
1. The utility model provides a lifting device for automobile maintenance overhauls, includes equipment body (1), its characterized in that: the middle part of the equipment body (1) is provided with an overhaul stand (2), the bottom of the overhaul stand (2) is provided with an overhaul inner groove (21), hydraulic braking devices (18) are installed on two sides of the overhaul inner groove (21), a second hydraulic cylinder (4) is installed at the top middle part of each hydraulic braking device (18), first hydraulic cylinders (3) are installed on two sides of each second hydraulic cylinder (4), the top of each second hydraulic cylinder (4) is provided with a falling prevention chassis (9), hot air boxes (10) are installed at the tops of two ends of each falling prevention chassis (9), a water spray plate (14) is installed at the top of the middle part of each falling prevention chassis (9), a lifting frame (6) is installed at the top of each first hydraulic cylinder (3), an illumination lamp plate (12) is installed on one side of the lifting frame (6), and an air outlet plate (13) is installed at the bottom of, the device comprises a lifting frame (6), guide wheel plates (26) are installed at two ends of the lifting frame (6), tire limiting block moving holes (7) are formed in two sides of the middle of the lifting frame (6), an electric telescopic rod (5) is installed at the bottom of each tire limiting block moving hole (7), a tire limiting block (8) is installed at the top of the electric telescopic rod (5), a water leakage hole (19) is formed in one side of a first hydraulic cylinder (3), a water tank (15) is installed on two sides of one end of a device body (1), a centrifugal water pump (17) is installed at the top of the water tank (15), a filter box (16) is installed inside the water tank (15), a power control box (20) is installed on one side of the other end of the device body (1), a stretchable ladder (22) is connected to one end of the bottom of a maintenance platform (2), maintenance platform connecting plates (23) are installed, and a third hydraulic cylinder (25) is installed on the overhaul platform connecting plate (23).
2. The lifting device for automobile maintenance and repair according to claim 1, wherein: third pneumatic cylinder (25) pass through the bolt and install on the top of overhauing inside groove (21), maintenance platform connecting plate (23) welding is on maintenance platform (2) one end bottom, the both sides of maintenance platform (2) all are equipped with the slider, the top inboard of hydraulic braking device (18) be equipped with slider assorted maintenance platform spout (24), maintenance platform (2) link to each other with maintenance platform spout (24) activity.
3. The lifting device for automobile maintenance and repair according to claim 1, wherein: the one end of scalable ladder (22) is passed through the bolt and is installed on the bottom of overhauing inside groove (21), the other end of scalable ladder (22) passes through the bolt and installs on the one end bottom of maintenance platform (2), hydraulic braking device (18) adopt concrete and shaped steel to pour the support, and internally mounted has hydraulic tank and hydraulic oil pump, first pneumatic cylinder (3) and second pneumatic cylinder (4) all install on hydraulic braking device (18) are inside through the bolt, the hydraulic oil pump passes through hydraulic oil pipe and links to each other with first pneumatic cylinder (3), second pneumatic cylinder (4) and third pneumatic cylinder (25) and hydraulic tank respectively, the solenoid valve is all installed with hydraulic oil pipe's junction to first pneumatic cylinder (3), second pneumatic cylinder (4) and third pneumatic cylinder (25).
4. The lifting device for automobile maintenance and repair according to claim 1, wherein: the water tank (15) is installed on two sides of the equipment body (1) through bolts, the centrifugal water pump (17) is installed on the top of the water tank (15) through bolts, and the filter box (16) is installed on the inner portion of the water tank (15) through bolts.
5. The lifting device for automobile maintenance and repair according to claim 1, wherein: centrifugal pump (17) link to each other with water spray plate (14) and water tank (15) respectively through raceway (11), prevent weighing down chassis (9) and install on the top of second pneumatic cylinder (4) through the bolt, hot-blast case (10) are installed on the both ends top of preventing weighing down chassis (9) through the bolt, hot-blast case (10) link to each other with air-out board (13) through the connecting pipe.
6. The lifting device for automobile maintenance and repair according to claim 1, wherein: crane (6) are installed on the top of first pneumatic cylinder (3) through the bolt, electric telescopic handle (5) are installed on the bottom of crane (6) through the bolt, tire stopper (8) link to each other through the bolt fastening with electric telescopic handle (5), tire stopper (8) link to each other with tire stopper activity hole (7) activity, leading wheel board (26) welding is on the both ends of crane (6).
7. The lifting device for automobile maintenance and repair according to claim 1, wherein: the power supply control box (20) is electrically connected with the hydraulic oil pump, the electric telescopic rod (5), the electromagnetic valve, the hot air box (10), the lighting lamp panel (12) and the centrifugal water pump (17) respectively.
8. The lifting device for automobile maintenance and repair according to claim 1, wherein: go out aerofoil (13) and illumination lamp plate (12) and all install on one side of crane (6) through the bolt, water spray plate (14) are installed on the top of preventing weighing down chassis (9) through the bolt, the hole that leaks (19) lead to pipe and water tank (15) link to each other.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022528051.5U CN213354425U (en) | 2020-11-05 | 2020-11-05 | Lifting equipment for automobile maintenance and overhaul |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022528051.5U CN213354425U (en) | 2020-11-05 | 2020-11-05 | Lifting equipment for automobile maintenance and overhaul |
Publications (1)
Publication Number | Publication Date |
---|---|
CN213354425U true CN213354425U (en) | 2021-06-04 |
Family
ID=76133888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202022528051.5U Expired - Fee Related CN213354425U (en) | 2020-11-05 | 2020-11-05 | Lifting equipment for automobile maintenance and overhaul |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN213354425U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113277440A (en) * | 2021-06-07 | 2021-08-20 | 长春汽车工业高等专科学校 | Movable automobile maintenance platform |
CN113942954A (en) * | 2021-10-08 | 2022-01-18 | 颍上晶宫绿建节能建筑有限责任公司 | Assembly structure of PC component |
-
2020
- 2020-11-05 CN CN202022528051.5U patent/CN213354425U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113277440A (en) * | 2021-06-07 | 2021-08-20 | 长春汽车工业高等专科学校 | Movable automobile maintenance platform |
CN113942954A (en) * | 2021-10-08 | 2022-01-18 | 颍上晶宫绿建节能建筑有限责任公司 | Assembly structure of PC component |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN213354425U (en) | Lifting equipment for automobile maintenance and overhaul | |
CN205501818U (en) | Steel truss arch bridge maintenance car | |
CN105539207B (en) | Subway multifunctional access net-fault comprehensive operation vehicle | |
CN102950415A (en) | Motor train unit bogie disintegration flow line maintenance system and maintenance method thereof | |
CN206108784U (en) | Auto repair special use machine of lifting | |
CN203854666U (en) | Operating platform of light rail operating vehicle and extending device | |
CN205419658U (en) | Car lift carwash maintenance of equipment | |
CN212792079U (en) | Vehicle-mounted tunnel street lamp cleaning equipment | |
CN213705618U (en) | Container machine room | |
CN203126625U (en) | Integrative automobile field rescue and maintain platform | |
CN213354492U (en) | Automatic lifting equipment for repairing chassis of bullet train | |
CN213168020U (en) | Auto repair platform convenient to wash and illumination | |
CN110844840A (en) | Auto repair platform convenient to wash and illumination | |
CN207986617U (en) | Support base mobile device | |
CN217269148U (en) | Auto repair platform convenient to wash and throw light on | |
CN2776950Y (en) | Pneumatic lifting platform | |
CN212202081U (en) | Tunnel engineering steel bow member fixing device | |
CN210027173U (en) | Multifunctional mobile intelligent security vehicle | |
CN211364844U (en) | Electric propulsion's changjiang river car passenger ferry boat | |
CN108266024A (en) | Basket-hanging intelligence is stopped without avoidance | |
CN216331926U (en) | Chassis cleaning device for railway transportation device | |
CN219967764U (en) | Railway wagon brake cylinder dismounting machine | |
CN208327150U (en) | New engineering machinery repairs platform | |
CN209258062U (en) | A kind of automobile front wall mask | |
CN207079471U (en) | A kind of Bridge guardrail |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210604 Termination date: 20211105 |
|
CF01 | Termination of patent right due to non-payment of annual fee |