CN211892892U - Hidden electric automobile fills electric pile - Google Patents

Hidden electric automobile fills electric pile Download PDF

Info

Publication number
CN211892892U
CN211892892U CN201922341385.9U CN201922341385U CN211892892U CN 211892892 U CN211892892 U CN 211892892U CN 201922341385 U CN201922341385 U CN 201922341385U CN 211892892 U CN211892892 U CN 211892892U
Authority
CN
China
Prior art keywords
charging
fixedly connected
hidden
cavity
lower bottom
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
Application number
CN201922341385.9U
Other languages
Chinese (zh)
Inventor
陈正宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201922341385.9U priority Critical patent/CN211892892U/en
Application granted granted Critical
Publication of CN211892892U publication Critical patent/CN211892892U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/12Electric charging stations
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/14Plug-in electric vehicles

Landscapes

  • Electric Propulsion And Braking For Vehicles (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model discloses a hidden electric automobile fills electric pile relates to electric automobile battery charging outfit technical field, and it includes the fixing base, the standing groove has been seted up in the fixing base, be provided with the U-shaped frame in the standing groove. This stake of charging of hidden electric automobile, inject the lock core through supporting key, later rotate the key and drive the lock core and rotate, and then utilize the cardboard that the connecting rod made to rotate and the draw-in groove separation, make two springs lose the constraint, then utilize two springs to upwards promote two sliding plates, finally can utilize two sliding plates, hollow pole and bracing piece promotion baffle, the U-shaped frame, fill electric pile main part and wind-up roll rebound, then reach and to fill electric pile main part and remove the purpose more than ground, made things convenient for the staff to overhaul the electric pile main part of charging, and then solved current hidden electric pile of charging and be difficult to take out once more after being installed ground, and then lead to the staff to be difficult to filling the problem of examining and repairing.

Description

Hidden electric automobile fills electric pile
Technical Field
The utility model relates to an electric automobile battery charging outfit technical field specifically is a hidden electric automobile fills electric pile.
Background
The charging pile has the function similar to that of an oiling machine in a gas station, can be fixed on the ground or on the wall, is installed in public buildings (public buildings, markets, public parking lots and the like) and residential area parking lots or charging stations, can charge electric vehicles of various models according to different voltage levels, is directly connected with an alternating current power grid at the input end and is provided with a charging plug at the output end for charging the electric vehicles.
But there is certain defect in current electric pile of filling, for example fill electric pile structure outstanding, be strikeed easily, not only damaged filling electric pile, and fill electric pile and damage and have very high safety risk simultaneously, consequently a hidden filling electric pile is proposed, this kind of hidden filling electric pile is generally installed underground, but current hidden filling electric pile is being installed behind the bottom surface, be difficult to take out from ground by the staff and fill electric pile, and then lead to when filling electric pile and breaking down, the staff need waste time and energy and take out the electric pile of filling from the underground and overhaul, consequently, in order to solve this problem, propose a hidden electric automobile and fill electric pile.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a hidden electric automobile fills electric pile has solved current hidden electric pile of filling and is difficult to take out once more after being installed ground, and then leads to the staff to be difficult to the problem of filling electric pile and overhauing.
(II) technical scheme
In order to achieve the above purpose, the utility model adopts the technical proposal that: a hidden electric vehicle charging pile comprises a fixing seat, wherein a placing groove is formed in the fixing seat, a U-shaped frame is arranged in the placing groove, the upper end of the U-shaped frame is fixedly connected to the lower bottom surface of a baffle, a charging pile main body and a winding roller are fixedly connected to the bottom surface of the U-shaped frame, a charging wire is fixedly connected to the left side of the charging pile main body, the charging wire is wound on the winding roller, a steel wire rope is fixedly connected to the winding roller, the other end of the charging wire penetrates through a through hole formed in the lower bottom surface of a using box and is electrically connected with a charging head, the other end of the steel wire rope penetrates through a through hole formed in the lower bottom surface of the using box and is fixedly connected with the lower bottom surface of the charging head, the using box is fixedly connected to the baffle, the charging head is arranged in a using box, a charger and a fee deducti, the side of the use box is provided with a protection plate, and the protection plate is fixedly connected with the baffle through a hinge.
The fixing base left and right sides all is provided with the cavity, all be provided with the spring in the cavity, spring both ends difference fixed connection is under the cavity on bottom surface and sliding plate under the bottom surface, and on two sliding plate to the side respectively fixedly connected with bracing piece bottom and bearing inner race, the bracing piece upper end is worn right side cavity upside fixed connection on the bottom surface under the baffle, and bearing inner race fixedly connected with hollow pole, hollow pole upper end is passed left side cavity upside fixed connection under the baffle on the bottom surface, be provided with the connecting rod in the hollow pole, the equal fixedly connected with cardboard in connecting rod lower extreme left and right sides, the cardboard passes hollow pole swing joint in the draw-in groove, the draw-in groove is seted up on left side cavity inner wall, connecting rod upper end fixedly connected with lock core, lock core fixed connection is.
Preferably, the U-shaped frame is arranged without a front wall and a rear wall.
Preferably, a rubber pad is fixedly connected to the lower side surface of the protection plate.
Preferably, the fixing seat is fixedly connected to the ground.
Preferably, the cavity shape is 1.5 times of the vertical shape of the clamping plate and the hollow rod.
Preferably, a handle is fixedly connected to the upper side surface of the protection plate.
Preferably, the steel wire rope and the charging wire are wound and mixed into a whole.
(III) advantageous effects
The beneficial effects of the utility model reside in that:
1. this stake of charging of hidden electric automobile, inject the lock core through supporting key, later rotate the key and drive the lock core and rotate, and then utilize the cardboard that the connecting rod made to rotate and the draw-in groove separation, make two springs lose the constraint, then utilize two springs to upwards promote two sliding plates, finally can utilize two sliding plates, hollow pole and bracing piece promotion baffle, the U-shaped frame, fill electric pile main part and wind-up roll rebound, then reach and to fill electric pile main part and remove the purpose more than ground, made things convenient for the staff to overhaul the electric pile main part of charging, and then solved current hidden electric pile of charging and be difficult to take out once more after being installed ground, and then lead to the staff to be difficult to filling the problem of examining and repairing.
2. The hidden electric vehicle charging pile has the advantages that a user rotates a protection plate around a hinge by using a handle on the ground, the protection plate is separated from a use box, a charging rechargeable card is inserted into a fee deducting groove, a charging head is electrified by a charging wire through a charging pile main body, the purpose of charging by using the charging head by using a user is achieved, a charging device can charge and display the electric vehicle while the electric vehicle is charged, the charging fee is automatically deducted by the charging device after the charging is finished, a steel wire rope and the charging wire are wound by a winding roller, and the charging head is finally wound in the use box again, so that the charging pile is placed under the ground, the hidden charging pile can be well used by the user, the device can automatically charge the user conveniently, and the charging pile is not required to be opened and closed by calling workers, the convenience of the device is increased.
Drawings
Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;
fig. 2 is a schematic structural view of the present invention in a first state from top view;
FIG. 3 is a schematic structural view of the present invention in a second state from above;
FIG. 4 is a schematic top view of the fixing base of the present invention;
fig. 5 is a schematic view of the front view structure of the U-shaped frame of the present invention.
In the figure: 1 baffle, 2 use case, 3 hinges, 4 lock cores, 5 guard plates, 6 handles, 7 fare register, 8 deduction grooves, 9 heads that charge, 10U-shaped frame, 11 bracing pieces, 12 cavities, 13 sliding plates, 14 springs, 15 fixing bases, 16 fill electric pile main parts, 17 charging wires, 18 wind-up rolls, 19 wire rope, 20 draw-in grooves, 21 cardboard, 22 connecting rods, 23 hollow pole, 24 standing grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-5, the utility model provides a technical solution: a hidden electric vehicle charging pile comprises a fixing seat 15, a placing groove 24 is formed in the fixing seat 15, a U-shaped frame 10 is arranged in the placing groove 24, the upper end of the U-shaped frame 10 is fixedly connected to the lower bottom surface of a baffle plate 1, a charging pile main body 16 and a winding roller 18 are fixedly connected to the bottom surface of the U-shaped frame 10, a charging wire 17 is fixedly and electrically connected to the left side of the charging pile main body 16, the charging wire 17 is wound on the winding roller 18, the winding roller 18 can utilize a steel wire rope 19 and the charging wire 17 to bundle the charging head 9 back to a using box 2 after a user uses the charging head 9, so as to protect the charging head 9 and prolong the service life of the charging head 9, the steel wire rope 19 is fixedly connected to the winding roller 18, the other end of the charging wire 17 penetrates through a through hole formed in the lower bottom surface of the using box 2 and is electrically connected with the charging head 9, the other end of the steel wire rope 19 penetrates through, use case 2 fixed connection on baffle 1, charge head 9 sets up in use case 2, charge head 9 rear side is provided with charging meter 7 and deduction groove 8, charging meter 7 and deduction groove 8 all set up in use case 2, the side is provided with guard plate 5 on use case 2, guard plate 5 passes through hinge 3 and baffle 1 fixed connection, and charging head 9, charging meter 7 and deduction groove 8 can be protected in the setting of guard plate 5, and then make the device also can protect charging head 9, charging meter 7 and deduction groove 8 not receive the influence of external environment dust under the circumstances of subaerial setting, and then increase the life of charging head 9, charging meter 7 and deduction groove 8, then increase the device's life.
The left side and the right side of the fixed seat 15 are provided with chambers 12, the chambers 12 are internally provided with springs 14, two ends of each spring 14 are respectively and fixedly connected to the lower bottom surface of the chamber 12 and the lower bottom surface of the sliding plate 13, the upper side surfaces of the two sliding plates 13 are respectively and fixedly connected with the bottom end of the supporting rod 11 and the outer ring of the bearing, the upper end of the supporting rod 11 penetrates through the upper side of the right chamber 12 and is fixedly connected to the lower bottom surface of the baffle plate 1, the inner ring of the bearing is fixedly connected with a hollow rod 23, the upper end of the hollow rod 23 penetrates through the upper side of the left chamber 12 and is fixedly connected to the lower bottom surface of the baffle plate 1, the two springs 14 can push the two sliding plates 13 upwards, so that the hollow rod 23 and the supporting rod 11 move upwards, finally the baffle plate 1, the U-, make things convenient for the staff to overhaul charging pile main part 16, be provided with connecting rod 22 in the hollow rod 23, the equal fixedly connected with cardboard 21 in the connecting rod 22 lower extreme left and right sides, cardboard 21 passes hollow rod 23 swing joint in draw-in groove 20, draw-in groove 20 is seted up on left side cavity 12 inner wall, and the position of two springs 14 can be retrained in the setting of draw-in groove 20 and cardboard 21, and then make charging pile main part 16 just pop out ground when needs, connecting rod 22 upper end fixedly connected with lock core 4, 4 fixed connection of lock core are on 1 left side upper surface of baffle, and the setting up of lock core 4 makes only possess the key that matches with lock core 4 and just can pop out charging pile main part 16 ground, and then makes charging pile main part 16 can not pop out charging pile ground at will, has avoided children to 16 curiosity and.
The U-shaped frame 10 is arranged without walls in the front and back directions, a worker can conveniently overhaul the charging pile main body 16 from two sides of the U-shaped frame 10 after the charging pile main body 16 is popped out of the ground, a rubber pad is fixedly connected to the lower side surface of the protection plate 5 and can protect the charging head 9, the charger 7 and the fee deduction groove 8 to a certain extent, the service life of the charging head 9, the charger 7 and the fee deduction groove 8 is prolonged, the fixing seat 15 is fixedly connected to the ground and can hide the device, the occupied space of the device is reduced, the shape of the cavity 12 is 1.5 times that of the clamping plate 21 and the hollow rod 23 in a vertical arrangement mode, the shape of the cavity 12 can enable the two springs 14 to be out of the binding and further pop the charging pile main body 16 out of the ground after the clamping plate 21 is separated from the clamping groove 20, the handle 6 is fixedly connected to the upper, also can make things convenient for the user of service to open guard plate 5 simultaneously, wire rope 19 and charging wire 17 winding are as an organic whole, and then can make the power that receives when charging wire 17 is dragged reduce, have increased charging wire 17's life then.
The utility model discloses an operating procedure does:
s1, when the device is used, a user rotates the protection plate 5 around the hinge 3 by using the handle 6 on the ground, then separates the protection plate 5 from the use box 2, then pulls the charging head 9 out of the use box 2 to be connected with a charging port of the electric automobile, then the charging rechargeable card is inserted into the fee deducting slot 8, so that the charging pile main body 16 is opened to electrify the charging head 9 to charge the electric automobile, the charging device 7 charges and displays the charging at the same time of charging, after the charging is finished, the user separates the charging head 9 from the electric automobile and pulls out the charging rechargeable card at the same time, when the user pulls out the charging rechargeable card, the charging fee is deducted automatically by the charger 7, meanwhile, the winding roller 18 winds the steel wire rope 19 and the charging wire 17, finally, the charging head 9 is wound in the use box 2 again, and then, the user rotates the protection plate 5 by taking the hinge 3 as a circle center through the handle 6 again to cover the use box 2;
s2, when the charging pile is in failure, a worker can insert the charging pile into the lock cylinder 4 through a matched key, then the key is rotated to drive the lock cylinder 4 to rotate, the lock cylinder 4 rotates to drive the connecting rod 22 to rotate, the connecting rod 22 rotates to drive the clamping plate 21 to rotate, the clamping plate 21 rotates and then is separated from the clamping groove 20, so that the clamping plate 21 is matched with the shape of the cavity 12, and then the two springs 14 are not bound, therefore, two springs 14 are used for upwards pushing the two sliding plates 13, the two sliding plates 13 are upwards pushed to enable the hollow rod 23 and the supporting rod 11 to upwards move, the hollow rod 23 and the supporting rod 11 upwards move to drive the baffle plate 1 and the U-shaped frame 10 to upwards move, the U-shaped frame 10 upwards moves to drive the charging pile main body 16 and the winding roller 18 to upwards move, then the charging pile main body 16 is moved to the ground, and finally the charging pile main body 16 is convenient for workers to overhaul.
The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (7)

1. The utility model provides a hidden electric automobile fills electric pile, includes fixing base (15), its characterized in that: a placing groove (24) is formed in the fixing seat (15), a U-shaped frame (10) is arranged in the placing groove (24), the upper end of the U-shaped frame (10) is fixedly connected to the lower bottom surface of the baffle plate (1), a charging pile main body (16) and a winding roller (18) are fixedly connected to the bottom surface of the U-shaped frame (10), a charging wire (17) is fixedly and electrically connected to the left side of the charging pile main body (16), the charging wire (17) is wound on the winding roller (18), a steel wire rope (19) is fixedly connected to the winding roller (18), the other end of the charging wire (17) penetrates through a through hole formed in the lower bottom surface of the use box (2) and is electrically connected with the charging head (9), the other end of the steel wire rope (19) penetrates through a through hole formed in the lower bottom surface of the use box (2) and is fixedly connected with the lower bottom surface of the charging head (9, the charging head (9) is arranged in the using box (2), the rear side of the charging head (9) is provided with a charging meter (7) and a deduction groove (8), the charging meter (7) and the deduction groove (8) are both arranged in the using box (2), the upper side surface of the using box (2) is provided with a protection plate (5), and the protection plate (5) is fixedly connected with the baffle plate (1) through a hinge (3);
the left side and the right side of the fixed seat (15) are respectively provided with a cavity (12), the cavity (12) is internally provided with a spring (14), two ends of the spring (14) are respectively and fixedly connected to the lower bottom surface of the cavity (12) and the lower bottom surface of the sliding plates (13), the upper side surfaces of the two sliding plates (13) are respectively and fixedly connected with the bottom end of a supporting rod (11) and a bearing outer ring, the upper end of the supporting rod (11) penetrates through the upper side of the right cavity (12) and is fixedly connected to the lower bottom surface of the baffle plate (1), the bearing inner ring is fixedly connected with a hollow rod (23), the upper end of the hollow rod (23) penetrates through the upper side of the left cavity (12) and is fixedly connected to the lower bottom surface of the baffle plate (1), a connecting rod (22) is arranged in the hollow rod (23), the left side and the right side of the lower end of the, draw-in groove (20) are seted up on left side cavity (12) inner wall, connecting rod (22) upper end fixedly connected with lock core (4), lock core (4) fixed connection is on baffle (1) left side upper surface.
2. The hidden electric vehicle charging pile of claim 1, characterized in that: the U-shaped frame (10) is arranged without a wall at the front and the back.
3. The hidden electric vehicle charging pile of claim 1, characterized in that: and a rubber pad is fixedly connected to the lower side surface of the protection plate (5).
4. The hidden electric vehicle charging pile of claim 1, characterized in that: the fixed seat (15) is fixedly connected to the ground.
5. The hidden electric vehicle charging pile of claim 1, characterized in that: the shape of the cavity (12) is 1.5 times of the vertical shape of the clamping plate (21) and the hollow rod (23).
6. The hidden electric vehicle charging pile of claim 1, characterized in that: the upper side surface of the protection plate (5) is fixedly connected with a handle (6).
7. The hidden electric vehicle charging pile of claim 1, characterized in that: and the steel wire rope (19) and the charging wire (17) are wound and mixed into a whole.
CN201922341385.9U 2019-12-24 2019-12-24 Hidden electric automobile fills electric pile Expired - Fee Related CN211892892U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922341385.9U CN211892892U (en) 2019-12-24 2019-12-24 Hidden electric automobile fills electric pile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922341385.9U CN211892892U (en) 2019-12-24 2019-12-24 Hidden electric automobile fills electric pile

Publications (1)

Publication Number Publication Date
CN211892892U true CN211892892U (en) 2020-11-10

Family

ID=73292660

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922341385.9U Expired - Fee Related CN211892892U (en) 2019-12-24 2019-12-24 Hidden electric automobile fills electric pile

Country Status (1)

Country Link
CN (1) CN211892892U (en)

Similar Documents

Publication Publication Date Title
CN206426869U (en) A kind of moveable charging system for electric automobile
CN106685061A (en) Charging pile for electromobile
CN108528255A (en) A kind of dedicated charging unit of electric vehicle
CN211892892U (en) Hidden electric automobile fills electric pile
CN108422888A (en) A kind of charging pile of convenient retracted line
CN1812224A (en) Electric vehicle battery holder charging cabinet
CN206814153U (en) A kind of removable cable of charging pile
CN206086426U (en) Emergent two -way electric pile that fills
CN205407345U (en) New forms of energy electric automobile's battery charging outfit
CN111953048A (en) Intelligent transportation robot charging mechanism
CN106059004A (en) Electric vehicle charging pile reserve battery
CN208118990U (en) A kind of anti-unrest stops new-energy automobile charging pile
CN211684724U (en) Annular electric vehicle charging pile
CN212046967U (en) New forms of energy electric automobile is with filling electric pile
CN208053136U (en) A kind of charging pile that wireless aps are provided
CN213056739U (en) Wall-hanging car charging device
CN210710166U (en) Make things convenient for electric pile that fills of rolling charging tube
CN214001404U (en) Higher from top formula of protection fills electric pile
CN209191719U (en) A kind of charging pile device facilitating charging
CN209685068U (en) A kind of new energy charging pile cable rolling-up mechanism
CN202339942U (en) Novel interlocking charging energy storage box
CN216610915U (en) Remote communication electric automobile fills electric pile
CN205846802U (en) A kind of charging pile group of band Parking Meter function
CN205829239U (en) A kind of electric automobile charging pile reserve cell
CN212889902U (en) Electric automobile charging cover plate device

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: 20201110

Termination date: 20211224

CF01 Termination of patent right due to non-payment of annual fee