CN110036757A - A kind of lawn trimming attachment - Google Patents
A kind of lawn trimming attachment Download PDFInfo
- Publication number
- CN110036757A CN110036757A CN201910284115.0A CN201910284115A CN110036757A CN 110036757 A CN110036757 A CN 110036757A CN 201910284115 A CN201910284115 A CN 201910284115A CN 110036757 A CN110036757 A CN 110036757A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- wall
- shell
- aggregate pipe
- shaft
- 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.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D43/00—Mowers combined with apparatus performing additional operations while mowing
- A01D43/06—Mowers combined with apparatus performing additional operations while mowing with means for collecting, gathering or loading mown material
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Harvester Elements (AREA)
Abstract
A kind of lawn trimming attachment, the lawn trimming attachment includes mobile mechanism, the upper surface of the mobile mechanism includes shell, support plate, baffle, tracheae, aggregate pipe, driving motor, elevating mechanism, shaft, control panel, battery, stomata, sieve, discharge port, discharge door and flabellum, the bottom of the shell is fixedly connected with the upper surface of mobile mechanism, the inner wall of the shell is fixedly connected with the surface of support plate, and the front and rear sides of the baffle are fixedly connected with the inner wall of shell.The lawn trimming attachment, shaft drives flabellum rotation, the flabellum of rotation plays guiding function to air, grass cuttings are passed sequentially through into aggregate pipe and tracheae is pumped into shell, the grass cuttings generated when convenient for trimming are collected, the cleaning to grass cuttings can thus be rapidly completed, to significantly reduce the labor force of staff.
Description
Technical field
The present invention relates to afforestation, specially a kind of lawn trimming attachment.
Background technique
With the reinforcement that urban afforestation is realized, people are higher and higher to the greening of ambient enviroment and beautiful requirement, for a long time
Since, the trimming of afforestation band is mainly by lawn mower, to replace the manual pruning on lawn, substantially increases work effect
Rate.Currently, using it is relatively broad be hand-held lawn mower, the blade below chassis is located at by engine driving and is revolved
Turn, blade horizontal resection grass cuttings and realize to turf-mown.It is left after some trimmings after turf-mown finishes on lawn
Grass cuttings need manual cleaning again, clear up not only also be not thorough slowly in this way, so not only influenced efficiency but also influenced beauty, meanwhile,
Grass cuttings after trimming, which can not facilitate, is cleared up, so that further reduced the efficiency of environmental greening.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of lawn trimming attachment, solve be inconvenient to clear up grass cuttings,
The low and inconvenient to use problem of working efficiency.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of lawn trimming attachment, including move
Motivation structure, the upper surface of the mobile mechanism include shell, support plate, baffle, tracheae, aggregate pipe, driving motor, elevator
Structure, shaft, control panel, battery, stomata, sieve, discharge port, discharge door, flabellum and handle holder, the bottom of the shell with
The upper surface of mobile mechanism is fixedly connected, and the inner wall of the shell is fixedly connected with the surface of support plate, the front and back of the baffle
Two sides are fixedly connected with the inner wall of shell, and the two sides up and down of the baffle are upper with the bottom of support plate and mobile mechanism respectively
Surface is fixedly connected, and the baffle is connected to close to the fixation of one end of a lateral roof and the tracheae of housing center, the tracheae it is another
One end is connected to the fixation of the top of aggregate pipe, and the inner wall of the aggregate pipe is fixedly connected with the inner wall of mobile mechanism, the support
The inner wall of plate and the surface of driving motor are slidably connected, and the top of the driving motor is fixedly connected with the bottom of elevating mechanism,
It is fixedly connected at the top of the inner wall of the top of the elevating mechanism and shell, the output end of the driving motor by shaft coupling and turns
It is fixedly connected at the top of axis, the surface of the shaft and the inner wall of aggregate pipe are slidably connected, the bottom of the control panel and storage
The bottom of battery is fixedly connected with the upper surface of shell, the battery respectively with elevating mechanism, driving motor and control plane
Plate electrical connection, the control panel are electrically connected with elevating mechanism and driving motor respectively, and the stomata is located at the upper table of support plate
It is opened up on the right side of face and shell, the inner wall of the stomata is fixedly connected with the surface of sieve, the left side of the handle holder and shell
Right side be fixedly connected, the discharge port, which is located at left and right sides of shell, to be opened up, the inner wall of the discharge port and the table of discharge door
Face is slidably connected, and the discharge door passes through hinge and housing hinge, the surface of the shaft and flabellum far from the side of aggregate pipe
Inner wall be fixedly connected, the bottom of the shaft includes cutting tool, and the upper surface of the bottom of the shaft and cutting tool is solid
Fixed connection.
Preferably, the mobile mechanism includes bottom plate, universal wheel and through-hole, the bottom of the bottom plate and the upper table of universal wheel
Face is fixedly connected, and the upper surface that the through-hole is located at bottom plate opens up, and the inner wall of the through-hole is fixedly connected with the surface of aggregate pipe,
The upper surface of the shell is fixedly connected with the upper surface of bottom plate.
Preferably, the elevating mechanism includes electric pushrod and fixed block, the two sides up and down of the electric pushrod respectively with
The inner wall bottom of shell is fixedly connected with the upper surface of fixed block, and the bottom of the fixed block and the upper surface of driving motor are fixed
Connection, the electric pushrod are electrically connected with battery and control panel respectively.
Preferably, the inside of the aggregate pipe includes spring and catch bar, the two sides up and down of the spring respectively with flabellum
Upper surface be fixedly connected with the bottom of catch bar, the inner wall top slide of the upper surface of the catch bar and aggregate pipe connects,
The inner wall of the catch bar and the surface of shaft are slidably connected.
Preferably, the quantity of the baffle is two, and is symmetric centered on two baffles and aggregate pipe.
Preferably, the aggregate pipe is funnel-shaped, and the inner wall base diameter of the aggregate pipe is greater than the inner wall top of aggregate pipe
Portion's diameter, and the inner wall base diameter of aggregate pipe is greater than the diameter of cutting tool.
Compared with prior art, the present invention provides a kind of lawn trimming attachment, have it is following the utility model has the advantages that
1, the lawn trimming attachment, by setting shell, support plate, baffle, tracheae, aggregate pipe, driving motor, shaft,
Control panel, battery, stomata, sieve, discharge port, discharge door and flabellum open driving motor, make cutting tool by shaft
Rotation, trims lawn, and shaft drives flabellum rotation, and the flabellum of rotation plays guiding function to air, successively by grass cuttings
It is pumped into shell by aggregate pipe and tracheae, the grass cuttings generated when convenient for trimming are collected, and can be thus rapidly completed
Cleaning to grass cuttings, so that the labor force of staff is significantly reduced, while by the way that spring and catch bar is arranged,
Spring plays a role in promoting to catch bar, is in close contact catch bar and material collecting barrel, and shaft rotation drives catch bar by flabellum
Rotation pushes the grass cuttings at the top of aggregate pipe by catch bar, so that grass cuttings is all passed through tracheae and carry out interior of shell.
2, the lawn trimming attachment, by the way that elevating mechanism is arranged, the extension end of electric pushrod passes through fixed block and driving electricity
Machine is fixedly connected, and then the position of cutting tool is controlled by electric pushrod, convenient for trimming out the lawn of different-thickness.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is enlarged drawing at A in Fig. 1 of the present invention；
Fig. 3 is the front view of structure of the invention；
Fig. 4 is the side view of structure of the invention.
Wherein: 1 mobile mechanism, 101 bottom plates, 102 universal wheels, 103 through-holes, 2 shells, 3 support plates, 4 baffles, 5 tracheaes, 6
Aggregate pipe, 7 driving motors, 8 elevating mechanisms, 801 electric pushrods, 802 fixed blocks, 9 shafts, 10 control panels, 11 batteries, 12
Stomata, 13 sieves, 14 discharge ports, 15 discharge doors, 16 flabellums, 17 cutting tools, 18 springs, 19 catch bars, 20 handle holders.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4, a kind of lawn trimming attachment, including mobile mechanism 1 are please referred to, the upper surface of mobile mechanism 1 includes shell
2, support plate 3, baffle 4, tracheae 5, aggregate pipe 6, driving motor 7, elevating mechanism 8, shaft 9, control panel 10, battery 11,
Stomata 12, sieve 13, discharge port 13, discharge door 15, flabellum 16 and handle holder 20, the bottom of shell 2 and the upper table of mobile mechanism 1
Face is fixedly connected, and the inner wall of shell 2 is fixedly connected with the surface of support plate 3, inner wall of the front and rear sides of baffle 4 with shell 2
It is fixedly connected, the two sides up and down of baffle 4 are fixedly connected with the upper surface of the bottom of support plate 3 and mobile mechanism 1 respectively, baffle 4
Quantity be two, and be symmetric centered on two baffles 4 and aggregate pipe 6, side top of the baffle 4 close to 2 center of shell
One end fixation of portion and tracheae 5 be connected to, and the other end of tracheae 5 is fixed with the top of aggregate pipe 6 to be connected to, the inner wall of aggregate pipe 6 and
The inner wall of mobile mechanism 1 is fixedly connected, and the surface of the inner wall and driving motor 7 of support plate 3 is slidably connected, the top of driving motor 7
Portion is fixedly connected with the bottom of elevating mechanism 8, is fixedly connected at the top of the top of elevating mechanism 8 and the inner wall of shell 2, driving motor
7 output end is fixedly connected by shaft coupling with the top of shaft 9, and the surface of shaft 9 and the inner wall of aggregate pipe 6 are slidably connected,
The bottom of control panel 10 and the bottom of battery 11 are fixedly connected with the upper surface of shell 2, battery 11 respectively with lifting
Mechanism 8, driving motor 7 and control panel 10 are electrically connected, and control panel 10 is electrically connected with elevating mechanism 8 and driving motor 7 respectively,
Stomata 12 is located at the upper surface of support plate 3 and the right side of shell 2 and opens up, the fixed company of the inner wall of stomata 12 and the surface of sieve 13
It connects, the aperture of sieve 13 is less than the size of grass cuttings, so that sieve 13 is played a role in filtering grass cuttings, the left side of handle holder 20 and shell
2 right side is fixedly connected, and the left and right sides that discharge port 13 is located at shell 2 opens up, the inner wall of discharge port 13 and the table of discharge door 15
Face is slidably connected, and side of the discharge door 15 far from aggregate pipe 6 is hinged by hinge and shell 2, surface and the flabellum 16 of shaft 9
Inner wall is fixedly connected, and the inside of aggregate pipe 6 includes spring 18 and catch bar 19, the two sides up and down of spring 18 respectively with flabellum 16
Upper surface is fixedly connected with the bottom of catch bar 19, and the elastic force of spring 18 is greater than the gravity of catch bar 19, the upper table of catch bar 19
Face is connect with the inner wall top slide of aggregate pipe 6, and the inner wall of catch bar 19 and the surface of shaft 9 are slidably connected, catch bar 19
Length is greater than distance between left and right tracheae 5, and the bottom of shaft 9 includes cutting tool 17, bottom and the cutting tool 17 of shaft 9
Upper surface is fixedly connected, and aggregate pipe 6 is funnel-shaped, and the inner wall base diameter of aggregate pipe 6 is greater than straight at the top of the inner wall of aggregate pipe 6
Diameter, and the inner wall base diameter of aggregate pipe 6 is greater than the diameter of cutting tool 17.
Mobile mechanism 1 includes bottom plate 101, universal wheel 102 and through-hole 103, and the bottom of bottom plate 101 is upper with universal wheel 102
Surface is fixedly connected, and the upper surface that through-hole 103 is located at bottom plate 101 opens up, and the surface of the inner wall and aggregate pipe 6 of through-hole 103 is fixed
Connection, the upper surface of shell 2 is fixedly connected with the upper surface of bottom plate 101.
Elevating mechanism 8 include electric pushrod 801 and fixed block 802, the two sides up and down of electric pushrod 801 respectively with shell 2
Inner wall bottom be fixedly connected with the upper surface of fixed block 802, the bottom of fixed block 802 and the upper surface of driving motor 7 are fixed
Connection, electric pushrod 801 are electrically connected with battery 11 and control panel 10 respectively.
When in use, electric pushrod 801 is opened, is then beaten by the position that electric pushrod 801 adjusts cutting tool 17
Driving motor 7 is opened, cutting tool 17 is rotated by shaft 9, lawn is trimmed, shaft 9 drives flabellum 16 to rotate, rotation
Flabellum 16 guiding function is played to air, grass cuttings are passed sequentially through into aggregate pipe 6 and tracheae 5 and are pumped into shell 2, are produced when to trimming
Raw grass cuttings are collected, and spring 18 plays a role in promoting to catch bar 19, are in close contact catch bar 19 and material collecting barrel, shaft
9 rotations, meanwhile, it drives catch bar 19 to rotate by flabellum 16, the grass cuttings at 6 top of aggregate pipe is pushed by catch bar 19, make grass
Bits are all carried out inside shell 2 by tracheae 5.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of lawn trimming attachment, including mobile mechanism (1), the upper surface of the mobile mechanism (1) includes shell (2), branch
Fagging (3), baffle (4), tracheae (5), aggregate pipe (6), driving motor (7), elevating mechanism (8), shaft (9), control panel
(10), battery (11), stomata (12), sieve (13), discharge port (14), discharge door (15), flabellum (16) and handle holder (20),
It is characterized by: the bottom of the shell (2) is fixedly connected with the upper surface of mobile mechanism (1), the inner wall of the shell (2) with
The surface of support plate (3) is fixedly connected, and the front and rear sides of the baffle (4) are fixedly connected with the inner wall of shell (2), the gear
The two sides up and down of plate (4) are fixedly connected with the upper surface of the bottom of support plate (3) and mobile mechanism (1) respectively, the baffle (4)
A lateral roof close to shell (2) center is connected to the fixation of one end of tracheae (5), the other end and aggregate pipe of the tracheae (5)
(6) the fixed connection in top, the inner wall of the aggregate pipe (6) are fixedly connected with the inner wall of mobile mechanism (1), the support plate
(3) inner wall and the surface of driving motor (7) are slidably connected, the top of the driving motor (7) and the bottom of elevating mechanism (8)
Be fixedly connected, be fixedly connected at the top of the inner wall of the top of the elevating mechanism (8) and shell (2), the driving motor (7) it is defeated
By being fixedly connected at the top of shaft coupling and shaft (9), the surface of the shaft (9) and the inner wall of aggregate pipe (6) slide outlet
Connection, the bottom of the control panel (10) and the bottom of battery (11) are fixedly connected with the upper surface of shell (2), described
Battery (11) is electrically connected with elevating mechanism (8), driving motor (7) and control panel (10) respectively, the control panel (10)
It is electrically connected respectively with elevating mechanism (8) and driving motor (7), the stomata (12) is located at upper surface and the shell of support plate (3)
(2) it is opened up on the right side of, the inner wall of the stomata (12) is fixedly connected with the surface of sieve (13), the left side of the handle holder (20)
It is fixedly connected on the right side of shell (2), the discharge port (14), which is located at left and right sides of shell (2), to be opened up, the discharge port
(14) inner wall and the surface of discharge door (15) are slidably connected, and the discharge door (15) passes through conjunction far from the side of aggregate pipe (6)
Hingedly with shell (2), the surface of the shaft (9) is fixedly connected page with the inner wall of flabellum (16), the bottom packet of the shaft (9)
It includes cutting tool (17), the bottom of the shaft (9) is fixedly connected with the upper surface of cutting tool (17).
2. a kind of lawn trimming attachment according to claim 1, it is characterised in that: the mobile mechanism (1) includes bottom plate
(101), universal wheel (102) and through-hole (103), the fixed company in the bottom of the bottom plate (101) and the upper surface of universal wheel (102)
It connects, the upper surface that the through-hole (103) is located at bottom plate (101) opens up, the inner wall of the through-hole (103) and the table of aggregate pipe (6)
Face is fixedly connected, and the upper surface of the shell (2) is fixedly connected with the upper surface of bottom plate (101).
3. a kind of lawn trimming attachment according to claim 1, it is characterised in that: the elevating mechanism (8) includes electronic
Push rod (801) and fixed block (802), the two sides up and down of the electric pushrod (801) respectively with the inner wall bottom of shell (2) and solid
The upper surface for determining block (802) is fixedly connected, and the bottom of the fixed block (802) is fixedly connected with the upper surface of driving motor (7),
The electric pushrod (801) is electrically connected with battery (11) and control panel (10) respectively.
4. a kind of lawn trimming attachment according to claim 1, it is characterised in that: the inside of the aggregate pipe (6) includes
Spring (18) and catch bar (19), the two sides up and down of the spring (18) respectively with the upper surface of flabellum (16) and catch bar (19)
Bottom be fixedly connected, the upper surface of the catch bar (19) is connect with the inner wall top slide of aggregate pipe (6), the catch bar
(19) inner wall and the surface of shaft (9) are slidably connected.
5. a kind of lawn trimming attachment according to claim 1, it is characterised in that: the quantity of the baffle (4) is two,
And it is symmetric centered on two baffles (4) and aggregate pipe (6).
6. a kind of lawn trimming attachment according to claim 1, it is characterised in that: the aggregate pipe (6) is funnel-shaped, institute
The inner wall base diameter for stating aggregate pipe (6) is greater than the inner wall top diameter of aggregate pipe (6), and the inner wall bottom of aggregate pipe (6) is straight
Diameter is greater than the diameter of cutting tool (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910284115.0A CN110036757B (en) | 2019-04-10 | 2019-04-10 | Lawn trimming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910284115.0A CN110036757B (en) | 2019-04-10 | 2019-04-10 | Lawn trimming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110036757A true CN110036757A (en) | 2019-07-23 |
| CN110036757B CN110036757B (en) | 2020-11-24 |
Family
ID=67276475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910284115.0A Active CN110036757B (en) | 2019-04-10 | 2019-04-10 | Lawn trimming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110036757B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115735524A (en) * | 2022-10-26 | 2023-03-07 | 江苏通顺动力科技有限公司 | Cutter head driving arm for lawn repairing machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10109072A1 (en) * | 2000-02-25 | 2001-10-25 | Mtd Products Inc | Adjustable vacuum nozzle |
| CN203423968U (en) * | 2013-08-28 | 2014-02-12 | 苏州长玖节能科技服务有限公司 | Multifunctional electric lawn mower |
| CN205454610U (en) * | 2016-03-29 | 2016-08-17 | 佛山市顺德区顺茵绿化设计工程有限公司 | Urban garden afforesting and maintenance machinery |
| CN208063808U (en) * | 2018-02-10 | 2018-11-09 | 四川绅裕农业科技有限公司 | A kind of adjustable weeding apparatus of agricultural production |
-
2019
- 2019-04-10 CN CN201910284115.0A patent/CN110036757B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10109072A1 (en) * | 2000-02-25 | 2001-10-25 | Mtd Products Inc | Adjustable vacuum nozzle |
| CN203423968U (en) * | 2013-08-28 | 2014-02-12 | 苏州长玖节能科技服务有限公司 | Multifunctional electric lawn mower |
| CN205454610U (en) * | 2016-03-29 | 2016-08-17 | 佛山市顺德区顺茵绿化设计工程有限公司 | Urban garden afforesting and maintenance machinery |
| CN208063808U (en) * | 2018-02-10 | 2018-11-09 | 四川绅裕农业科技有限公司 | A kind of adjustable weeding apparatus of agricultural production |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115735524A (en) * | 2022-10-26 | 2023-03-07 | 江苏通顺动力科技有限公司 | Cutter head driving arm for lawn repairing machine |
| CN115735524B (en) * | 2022-10-26 | 2023-09-08 | 江苏通顺动力科技有限公司 | Cutter disc driving arm for lawn repairing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110036757B (en) | 2020-11-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208258494U (en) | A kind of greenbelt leveling clipping device collected convenient for residual leaf | |
| CN211152858U (en) | Trimming means for garden design | |
| CN108401644A (en) | A kind of gardens daily maintenance lawn mower | |
| CN110036757A (en) | A kind of lawn trimming attachment | |
| CN111699857A (en) | Shrub leaf pruning collector | |
| CN110896722A (en) | Mower with adsorption and compression functions | |
| CN110098551A (en) | A kind of multifunctional mesh winding thread processing unit | |
| CN113875489B (en) | Manipulator for removing dead branches of grapes | |
| CN212993080U (en) | Municipal garden lawn trimming means | |
| CN112314218B (en) | Gardens are with portable's electric chain saw | |
| CN211745519U (en) | Municipal works trimming means with rubbish clearance function | |
| CN114451161A (en) | Landscape garden engineering is with soft or hard formula trees trimming means of repairing concurrently | |
| CN112169674A (en) | Agitating unit is used in production of lithium ion battery cathode material | |
| CN112369203A (en) | Drum-type cutter tea leaf picking mechanism and method | |
| CN112616467A (en) | Fruit tree grafting machine | |
| CN219812549U (en) | Tea picking and collecting equipment with protective structure | |
| CN213073661U (en) | Multifunctional tree branch trimming device | |
| CN219939044U (en) | Mechanical equipment for pruning trees | |
| CN215669261U (en) | Accumulated leaf cleaning device under plant | |
| CN215912570U (en) | Maize cuts seedling ware | |
| CN219699175U (en) | Multifunctional internet of things electric energy sole production device | |
| CN213603246U (en) | Be used for agricultural horticulture production to use pruning equipment | |
| CN220733630U (en) | Road green trimming device that plants | |
| CN211721183U (en) | Portable green trimming means of planting of shoulder back of body | |
| CN217722078U (en) | Portable litsea cubeba fruit picking device |
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 | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Zhen Inventor after: Li Huike Inventor before: Liu Zhen |
|
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Huike Inventor after: Liu Zhen Inventor before: Liu Zhen Inventor before: Li Huike |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |