CN208107889U - A kind of adjustable lamp door of the range of interaction - Google Patents

A kind of adjustable lamp door of the range of interaction Download PDF

Info

Publication number
CN208107889U
CN208107889U CN201820619532.7U CN201820619532U CN208107889U CN 208107889 U CN208107889 U CN 208107889U CN 201820619532 U CN201820619532 U CN 201820619532U CN 208107889 U CN208107889 U CN 208107889U
Authority
CN
China
Prior art keywords
transverse slat
fixedly connected
groove
sensor
turntable
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.)
Active
Application number
CN201820619532.7U
Other languages
Chinese (zh)
Inventor
王蓓
李强
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.)
Jiangxi Yang Chen Science And Technology Co Ltd
Original Assignee
Jiangxi Yang Chen Science And Technology Co Ltd
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 Jiangxi Yang Chen Science And Technology Co Ltd filed Critical Jiangxi Yang Chen Science And Technology Co Ltd
Priority to CN201820619532.7U priority Critical patent/CN208107889U/en
Application granted granted Critical
Publication of CN208107889U publication Critical patent/CN208107889U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Blinds (AREA)

Abstract

The utility model discloses a kind of adjustable lamp doors of the range of interaction, are related to lampshade technical field.The adjustable lamp door of the range of the interaction, including pedestal, support column is fixedly connected at the top of the pedestal, transverse slat is provided at the top of the support column, the first groove is offered at the top of the support column, the bottom of first groove inner wall is fixedly connected with first motor, and the output shaft of the first motor is fixedly connected with first rotating shaft, and the first rotating shaft is through the first groove and is fixedly connected with transverse slat.The adjustable lamp door of the range of the interaction, it is designed by the structure of first motor, first rotating shaft, transverse slat, the first sliding block, first sliding groove, connecting rod, first sensor, the second shaft, the first turntable, the second turntable, the second motor, connecting rod, second sensor, 3rd sensor, brace, the second sliding block, second sliding slot and the 4th sensor, solves the problems, such as that lampshade is not easy to adjust interactively range.

Description

A kind of adjustable lamp door of the range of interaction
Technical field
The utility model relates to lampshade technical field, specially a kind of adjustable lamp door of the range of interaction.
Background technique
Existing well-known technique discloses Chinese Authorization Notice No., a kind of LED desk lamp of CN205746298U, including chassis Seat, the double leval jib regulating mechanism for being set to lamp stand upper end, is connected to double leval jib adjusting at the lamp stand being fixedly installed on subbase Lamp adapter assembly in mechanism, four-bar mechanism is by first connecting rod, second connecting rod, third connecting rod, the mutually rotation of fourth link head and the tail It is formed by connecting, first connecting rod is connected with the junction of fourth link with the upper end of lamp stand, second connecting rod and third connecting rod Junction is connected with lamp adapter assembly, and the junction rotation of second connecting rod and third connecting rod is provided with worm screw, rotates and sets on lamp stand It is equipped with the worm gear matched with worm screw, the L shape joystick of driving worm gear rotation is connected on worm gear, structure is simple, and it is easy to adjust, And there is self-locking function.
The desk lamp intelligently adjusts height, cannot comprehensively adjust the direction of lamp door and then adjust the direction of illumination, in addition, should The regulative mode of desk lamp is complex, does not have interactivity.
Utility model content
(One)The technical issues of solution
In view of the deficiencies of the prior art, the utility model provides a kind of adjustable lamp door of range of interaction, solves platform Lamp lampshade is not easy to the problem of adjusting interactively range.
(Two)Technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs:A kind of range of interaction is adjustable Formula lamp door, including pedestal are fixedly connected with support column at the top of the pedestal, transverse slat, institute are provided at the top of the support column It states and offers the first groove at the top of support column, the bottom of first groove inner wall is fixedly connected with first motor, and described The output shaft of one motor is fixedly connected with first rotating shaft, and the first rotating shaft is through the first groove and is fixedly connected with transverse slat, institute It states wrapping around for the first groove and is provided with first sliding groove, the first sliding block is fixedly connected on the left of the transverse slat bottom, it is described The outside of first sliding block is flexibly connected with the outside of first sliding groove.
The right side opening of the transverse slat is equipped with the second groove, and second groove runs through the top and bottom of transverse slat, and described the It is provided with first sensor on the left of two groove tops and bottom, is arranged between the front and back of second groove inner wall There is the second shaft, the back side of second shaft is fixedly connected by bearing with the inner wall of transverse slat, the front of second shaft It is connected with the first turntable, the front of first turntable is fixedly connected by bracket with the inner wall of transverse slat, and described first turn The second turntable is sequentially connected on the outside of disk, the back side of second turntable is fixedly connected with the second motor.
Connecting rod is fixedly connected on the outside of second shaft, the connecting rod is fixedly connected with far from one end of transverse slat Lampshade, the front of the lampshade are fixedly connected with second sensor, and the back side of the lampshade is fixedly connected with 3rd sensor.
Brace is fixedly connected in the middle part of the transverse slat bottom end, the bottom end of the brace is fixedly connected with the second sliding block, institute It states wrapping around for support column and offers second sliding slot, the outside of second sliding block and the inner wall of second sliding slot are slidably connected, It is provided with power switch at the top of the pedestal, the 4th sensor is fixedly connected at the top of the transverse slat.
Preferably, the first sliding groove and the shape of the first sliding block are cirque structure, and are matched, the first sliding block with The central axes of first sliding groove inner ring and the central axes of first rotating shaft are located along the same line.
Preferably, the second sliding slot and the shape of the second sliding block are cirque structure, and are matched, the second sliding block with The central axes of second sliding slot inner ring and the central axes of first rotating shaft are located along the same line.
Preferably, the rotatable angle of the connecting rod is vertical 180 degree of rotation, the rotatable angle of transverse slat Degree is horizontal rotation 360 deg.
Preferably, first turntable and the second turntable is equal in magnitude, and the first turntable and the second turntable are with transverse slat Perpendicular bisector is the two sides that symmetry axis is symmetricly set on transverse slat inner cavity.
Preferably, the quantity of the first sensor is two, and two first sensors are with the perpendicular bisector of the second groove The top and bottom of transverse slat are symmetricly set on for symmetry axis.
Preferably, the angle between the brace and transverse slat, support column is 45 degree.
(Three)Beneficial effect
The utility model provides a kind of adjustable lamp door of range of interaction.Has following beneficial effect:
(1), the interaction the adjustable lamp door of range, pass through first motor, first rotating shaft, transverse slat, the first sliding block, first sliding Slot, connecting rod, first sensor, the second shaft, the first turntable, the second turntable, the second motor, connecting rod, second sensor, The structure design of three sensors, brace, the second sliding block, second sliding slot and the 4th sensor contacts second sensor with hand, and second Motor will drive lampshade and be rotated up, and contact 3rd sensor with hand, and the second motor will drive lampshade and move down, and work as connecting rod When contacting first sensor, the second motor stalls contact the 4th sensor with hand, and first motor will drive transverse slat level and turn It is dynamic, to achieve the effect that interactively regulating lampshade light angle, it is not easy to adjust interactively model to solve table lamp lampshade The problem of enclosing.
(2), the interaction the adjustable lamp door of range, pass through transverse slat, the first sliding block, support column, second sliding slot, first motor It is designed with the structure of first rotating shaft, provides support force to transverse slat, reduce the pressure of first rotating shaft receiving, to extend this The service life of device.
(3), the interaction the adjustable lampshade of range, pass through support column, transverse slat, brace, the second sliding block and second sliding slot Structure design, so that the stability of transverse slat and support column is strengthened, to improve the stability of device entirety.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is the enlarged drawing in the utility model Fig. 1 at A;
Fig. 3 is the overhead sectional view of the utility model transverse slat.
In figure:1 pedestal, 2 support columns, 3 first grooves, 4 first motors, 5 first rotating shafts, 6 transverse slats, 7 first sliding grooves, 8 One sliding block, 9 second grooves, 10 first sensors, 11 second shafts, 12 first turntables, 13 second turntables, 14 second motors, 15 Connecting rod, 16 lampshades, 17 second sensors, 18 3rd sensors, 19 braces, 20 second sliding blocks, 21 second sliding slots, 22 power supplys are opened It closes, 23 the 4th sensors.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.
Examples of the embodiments are shown in the accompanying drawings, and in which the same or similar labels are throughly indicated identical or classes As element or element with the same or similar functions.The embodiments described below with reference to the accompanying drawings are exemplary, purport It is being used to explain the utility model, and should not be understood as limiting the present invention.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model System.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be Mechanical connection, is also possible to be electrically connected;It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution:A kind of adjustable lamp door of the range of interaction, including Pedestal 1, the top of pedestal 1 are fixedly connected with support column 2, and the top of support column 2 is provided with transverse slat 6, and the top of support column 2 opens up There is the first groove 3, the bottom of 3 inner wall of the first groove is fixedly connected with first motor 4, and the output shaft of first motor 4 is fixedly connected There is first rotating shaft 5, first rotating shaft 5 is through the first groove 3 and is fixedly connected with transverse slat 6, and the first wrapping around for groove 3 is provided with First sliding groove 7 is fixedly connected with the first sliding block 8, the outside of the first sliding block 8 and the outside of first sliding groove 7 on the left of 6 bottom of transverse slat It is flexibly connected, the shape of first sliding groove 7 and the first sliding block 8 is cirque structure, and is matched, and the first sliding block 8 and first is sliding The central axes of 7 inner ring of slot and the central axes of first rotating shaft 5 are located along the same line.
The right side opening of transverse slat 6 is equipped with the second groove 9, and the second groove 9 runs through the top and bottom of transverse slat 6, the second groove 9 top First sensor 10 is provided on the left of portion and bottom, the quantity of first sensor 10 is two, and two first sensors 10 are symmetricly set on the top and bottom of transverse slat 6, the front of 9 inner wall of the second groove using the perpendicular bisector of the second groove 9 as symmetry axis The second shaft 11 is provided between the back side, the back side of the second shaft 11 is fixedly connected by bearing with the inner wall of transverse slat 6, and second The front of shaft 11 is connected with the first turntable 12, and the front of the first turntable 12 connects by the way that the inner wall of bracket and transverse slat 6 is fixed Connect, the outside of the first turntable 12 is sequentially connected with the second turntable 13, the first turntable 12 and the second turntable 13 it is equal in magnitude, and One turntable 12 and the second turntable 13 are symmetricly set on the two sides of 6 inner cavity of transverse slat, the second turntable using the perpendicular bisector of transverse slat 6 as symmetry axis 13 back side is fixedly connected with the second motor 14, and the second motor 14 is positive and negative motor, and the second motor 14 rotates counterclockwise, and then band Dynamic second turntable 13, the first turntable 12 rotate counterclockwise, and then connecting rod 15 and lampshade 16 is driven to be rotated up, the second motor 14 Rotate clockwise, and then the second turntable 13, the first turntable 12 driven to rotate clockwise, so drive connecting rod 15 and lampshade 16 to Lower rotation.
The outside of second shaft 11 is fixedly connected with connecting rod 15, and the rotatable angle of connecting rod 15 is vertical rotation 100 80 degree, the rotatable angle of transverse slat 6 is to rotate horizontally 360 deg, and connecting rod 15 is fixedly connected far from one end of transverse slat 6 There is lampshade 16, the front of lampshade 16 is fixedly connected with second sensor 17, and the back side of lampshade 16 is fixedly connected with 3rd sensor 18。
Brace 19 is fixedly connected in the middle part of 6 bottom end of transverse slat, the angle between brace 19 and transverse slat 6, support column 2 is four 15 degree, the bottom end of brace 19 is fixedly connected with the second sliding block 20, and wrapping around for support column 2 offers second sliding slot 21, the The outside of two sliding blocks 20 and the inner wall of second sliding slot 21 are slidably connected, and the shape of second sliding slot 21 and the second sliding block 20 is annulus Shape structure, and match, the second sliding block 20 is located at the central axes of 21 inner ring of second sliding slot with the central axes of first rotating shaft 5 same On straight line, the top of pedestal 1 is provided with power switch 22, and the top of transverse slat 6 is fixedly connected with the 4th sensor 23, the first sensing Device 10, second sensor 17,3rd sensor 18 and the 4th sensor 23 are touch sensor, first sensor 10, Two sensors 17 and 3rd sensor 18 are with the second motor 14, and electric wire connection, the 4th sensor 23 and 4 electric wire of first motor connect It connects, contacts second sensor 17 with hand, the second motor 14 rotates counterclockwise, and then lampshade 16 is driven to be rotated up, and is contacted with hand 3rd sensor 18, the second motor 14 rotate clockwise, and then lampshade 16 is driven to move down, when hand is detached from second sensor 17 Or when 3rd sensor 18, the second motor 14 stops operating, and when connecting rod 15 contacts first sensor 10, the second motor 14 stops Rotation stop is dynamic, contacts the 4th sensor 23 with hand, and first motor 4 will drive transverse slat 6 and horizontally rotate, and then drive lampshade 16 in level Face rotation, when hand is detached from four sensors 23, first motor 4 stops operating.
The adjustable lamp door of the range of the interaction in use, open power switch 22, with hand contact second sensor 17, second Sensor 17 starts the second motor 14 and rotates counterclockwise, and the second motor 14 rotates counterclockwise the second turntable of drive 13 and turns counterclockwise Dynamic, the second turntable 13 drives the first turntable 12 to rotate counterclockwise counterclockwise, and the first turntable 12, which rotates counterclockwise, drives the second shaft 11 rotate counterclockwise, and the second shaft 11, which rotates counterclockwise, drives connecting rod 15 to be rotated up, and then lampshade 16 is driven to be rotated up; 3rd sensor 18 is contacted with hand, 3rd sensor 18 starts the second motor 14 and rotates clockwise, and the second motor 14 turns clockwise Dynamic that the second turntable 13 is driven to rotate clockwise, the second turntable 13 drives the first turntable 12 to rotate clockwise clockwise, the first turntable 12, which rotate clockwise the second shaft 11 of drive, rotates clockwise, and the second shaft 11, which rotates clockwise, drives connecting rod 15 to turn downwards It is dynamic, and then lampshade 16 is driven to rotate down, when connecting rod 15 and the outer side contacts of first sensor 10 or hand leaves second When sensor 17 or 3rd sensor 18, the second motor 14 stops operating;The 4th sensor 23, the 4th sensor 23 are contacted with hand Start first motor 4 to rotate, the rotation of first motor 4 drives first rotating shaft 5 to rotate, and the rotation band of first rotating shaft 5 motion plate 6 is horizontal to be turned It is dynamic, and then drive connecting rod 15 and lampshade 16 to horizontally rotate, while the first sliding block 8 being driven to rotate in the inner cavity of first sliding groove 7, tiltedly Bar 19 horizontally rotates, and then the second sliding block 20 is driven to rotate in the inner cavity of second sliding slot 21, when hand leaves four sensors 23, the One motor 4 stops operating.
In conclusion the adjustable lamp door of the range of the interaction, sliding by first motor 4, first rotating shaft 5, transverse slat 6, first Block 8, first sliding groove 7, first sensor 10, the second shaft 11, the first turntable 12, the second turntable 13, the second motor 14, connecting rod 15, the structure of second sensor 17,3rd sensor 18, brace 19, the second sliding block 20, second sliding slot 21 and the 4th sensor 23 Design contacts second sensor 17 with hand, and the second motor 14 will drive lampshade 16 and be rotated up, and contacts 3rd sensor with hand 18, the second motor 14 will drive lampshade 16 and move down, and when connecting rod 15 contacts first sensor 10, the second motor 14 stops Rotation contacts the 4th sensor 23 with hand, and first motor 4 will drive transverse slat 6 and horizontally rotate, to reach interactively regulating lampshade The effect of 16 light angles, to solve the problems, such as that table lamp lampshade 16 is not easy to interactively adjustable range.
Meanwhile passing through transverse slat 6, the first sliding block 8, support column 2, second sliding slot 7, the structure of first motor 4 and first rotating shaft 5 Design, provides support force to transverse slat 6, reduces the pressure of the receiving of first rotating shaft 5, to extend the use longevity of the device Life.
Meanwhile being designed by the structure of support column 2, transverse slat 6, brace 19, the second sliding block 20 and second sliding slot 21, thus plus Consolidate the stability of transverse slat 6 and support column 2, to improve the stability of device entirety.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (7)

1. a kind of adjustable lamp door of the range of interaction, including pedestal(1), it is characterised in that:The pedestal(1)Top fixed connect It is connected to support column(2), the support column(2)Top be provided with transverse slat(6), the support column(2)Top offer first Groove(3), first groove(3)The bottom of inner wall is fixedly connected with first motor(4), the first motor(4)Output Axis is fixedly connected with first rotating shaft(5), the first rotating shaft(5)Through the first groove(3)And it is fixedly connected with transverse slat(6), institute State the first groove(3)Wrap around and be provided with first sliding groove(7), the transverse slat(6)First is fixedly connected on the left of bottom Sliding block(8), first sliding block(8)Outside and first sliding groove(7)Outside be flexibly connected;
The transverse slat(6)Right side opening be equipped with the second groove(9), second groove(9)Through transverse slat(6)Top and bottom Portion, second groove(9)First sensor first sensor is provided on the left of top and bottom(10), described second is recessed Slot(9)The second shaft is provided between the front and back of inner wall(11), second shaft(11)The back side by bearing with Transverse slat(6)Inner wall be fixedly connected, second shaft(11)Front be connected with the first turntable(12), described first turn Disk(12)Front pass through bracket and transverse slat(6)Inner wall be fixedly connected, first turntable(12)Outside be sequentially connected with Second turntable(13), second turntable(13)The back side be fixedly connected with the second motor(14);
Second shaft(11)Outside be fixedly connected with connecting rod(15), the connecting rod(15)Far from transverse slat(6)One End is fixedly connected with lampshade(16), the lampshade(16)Front be fixedly connected with second sensor(17), the lampshade(16) The back side be fixedly connected with 3rd sensor(18);
The transverse slat(6)Brace is fixedly connected in the middle part of bottom end(19), the brace(19)Bottom end be fixedly connected with second Sliding block(20), the support column(2)Wrap around and offer second sliding slot(21), second sliding block(20)Outside and the Two sliding slots(21)Inner wall be slidably connected, the pedestal(1)Top be provided with power switch(22), the transverse slat(6)Top Portion is fixedly connected with the 4th sensor(23).
2. a kind of adjustable lamp door of range of interaction according to claim 1, it is characterised in that:The first sliding groove(7) With the first sliding block(8)Shape be cirque structure, and match, the first sliding block(8)With first sliding groove(7)The axis of inner ring Line and first rotating shaft(5)Central axes be located along the same line.
3. a kind of adjustable lamp door of range of interaction according to claim 1, it is characterised in that:The second sliding slot(21) With the second sliding block(20)Shape be cirque structure, and match, the second sliding block(20)With second sliding slot(21)Inner ring Central axes and first rotating shaft(5)Central axes be located along the same line.
4. a kind of adjustable lamp door of range of interaction according to claim 1, it is characterised in that:The connecting rod(15)It can The angle of rotation is vertical 180 degree of rotation, the transverse slat(6)Rotatable angle is to rotate horizontally 360 deg.
5. a kind of adjustable lamp door of range of interaction according to claim 1, it is characterised in that:First turntable(12) With the second turntable(13)Equal in magnitude, and the first turntable(12)With the second turntable(13)With transverse slat(6)Perpendicular bisector be symmetrical Axial symmetry is arranged in transverse slat(6)The two sides of inner cavity.
6. a kind of adjustable lamp door of range of interaction according to claim 1, it is characterised in that:The first sensor One sensor(10)Quantity be two, and two first sensors(10)With the second groove(9)Perpendicular bisector be symmetry axis pair Claim to be arranged in transverse slat(6)Top and bottom.
7. a kind of adjustable lamp door of range of interaction according to claim 1, it is characterised in that:The brace(19)With cross Plate(6), support column(2)Between angle be 45 degree.
CN201820619532.7U 2018-04-27 2018-04-27 A kind of adjustable lamp door of the range of interaction Active CN208107889U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820619532.7U CN208107889U (en) 2018-04-27 2018-04-27 A kind of adjustable lamp door of the range of interaction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820619532.7U CN208107889U (en) 2018-04-27 2018-04-27 A kind of adjustable lamp door of the range of interaction

Publications (1)

Publication Number Publication Date
CN208107889U true CN208107889U (en) 2018-11-16

Family

ID=64117503

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820619532.7U Active CN208107889U (en) 2018-04-27 2018-04-27 A kind of adjustable lamp door of the range of interaction

Country Status (1)

Country Link
CN (1) CN208107889U (en)

Similar Documents

Publication Publication Date Title
CN209517011U (en) Photovoltaic power generation apparatus and its photovoltaic power generation bracket
CN103394907A (en) High-tolerance automatic bolt mounting device
CN209088876U (en) A kind of solar power generation motor driving structure
CN208107889U (en) A kind of adjustable lamp door of the range of interaction
CN109027635A (en) A kind of projector auxiliary body
CN107120300A (en) It is a kind of can up and down and the flooring fan that swings
CN208058701U (en) A kind of solar street light being easily installed
CN208394507U (en) A kind of fixation device of mineral insulated cable coil winding machine wire spool
CN209432427U (en) Automobile parts intermetallic composite coating detecting tool
CN208628876U (en) A kind of rack for plano milling and boring machine
CN207780660U (en) A kind of desktop computer shelves
CN207999900U (en) A kind of refrigerating fan with elevating function
CN205630675U (en) Interior line robot pendulum of walking changes joint module
CN210826582U (en) Big gear wheel supporting structure of circular knitting machine
CN211533214U (en) Dining table for smart home
CN103356376A (en) Back pad massage cassette mechanism
CN109933138A (en) A kind of desktop computer shelves
CN209056801U (en) Convenient for the electric power cabinet of dedusting
CN207267474U (en) A kind of motor vehicles camera head device
CN209562997U (en) A kind of anti-tampering passenger train video display control cabinet
CN208483267U (en) Electric tool
CN216479950U (en) Support angle adjustable device
CN112113101A (en) Intelligent display support
CN210371879U (en) Screw rod, elevating system and suitcase
CN219305191U (en) Suspension type network rack

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant