CN208079762U - A kind of hand-pushing seeder that can adjust sowing spacing - Google Patents
A kind of hand-pushing seeder that can adjust sowing spacing Download PDFInfo
- Publication number
- CN208079762U CN208079762U CN201820461748.5U CN201820461748U CN208079762U CN 208079762 U CN208079762 U CN 208079762U CN 201820461748 U CN201820461748 U CN 201820461748U CN 208079762 U CN208079762 U CN 208079762U
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- sowing
- spacing
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- driving
- pulley
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Abstract
The utility model is suitable for graden machine technical field, provide a kind of hand-pushing seeder that can adjust sowing spacing, including sowing assembly, variable speed assembly and transmission component, the sowing assembly includes funnel, seeding wheel, sowing pipe, pedestal, sowing cabin, driving wheel and fixing bracket；The adjusting bracket is lifted up, the transmission shaft is inwardly pushed, the rotating speed of the seeding wheel is slack-off at this time, seed in the funnel is fallen in the groove, when the groove downward when, seed is sowed by the sowing pipe, it advances under similarly distance in seeder, sowing number tails off, so that sowing spacing becomes larger, the transmission shaft is pulled out, sowing spacing becomes smaller at this time, compared to more existing seeder, the novel hand-pushing seeder that can adjust sowing spacing can be adjusted sowing spacing, to meet different cultivars plant growth spacing demand, so that the growth and development of plant is more preferable.
Description
Technical field
The utility model belongs to graden machine field more particularly to a kind of hand-push type seeding that can adjust sowing spacing
Machine.
Background technology
Seeder is the planting machinery for sowing object with crop seed.With Mr. Yu's class or the seeder of certain crop, Chang Guan
With crop species title, such as grain dill, corn seeding drill, cotton planter, herbage seed broadcaster.
Seeder currently on the market when being sowed, although can accomplish spacing between seed into
Row is unified, but the spacing between big multipair seed can not be adjusted, and different plant has grown up of different sizes, so
It is even more important at seeding time to the control of the spacing of seed, sowing spacing can influence the growth and development of the seed in later stage.
Utility model content
The utility model provides a kind of hand-pushing seeder that can adjust sowing spacing, it is intended to solve currently on the market
Seeder is when being sowed, multipair kind big although can accomplish that the spacing between seed carries out unification
Spacing between son can not be adjusted, and different plant has grown up of different sizes, so at seeding time between seed
The problem of being even more important away from control, sowing the growth and development for the seed that spacing can influence the later stage.
The utility model is realized in this way a kind of hand-pushing seeder that can adjust sowing spacing, including sowing group
Part, variable speed assembly and transmission component, the sowing assembly include funnel, seeding wheel, sowing pipe, pedestal, sow cabin, driving wheel and
Fixing bracket, the funnel and the sowing pipe are fixedly connected in the sowing cabin, and the funnel is located at the sowing cabin
Top, the sowing pipe are located at the lower section in the sowing cabin, and the sowing pipe is fixedly connected on the pedestal, the sowing pipe position
In the top of the pedestal, the fixing bracket is fixedly connected on the pedestal, and the fixing bracket is located at the sowing pipe
Right side, the driving wheel are rotationally connected with the pedestal, and the driving wheel is located at the right side of the pedestal, the seeding wheel rotation
Be connected to the sowing cabin, the seeding wheel is located at the inside in the sowing cabin, the outer surface in the sowing cabin open up it is fluted,
The variable speed assembly includes gearbox, the first driving belt, speed pulley, the first transmission gear, adjustment gear, change gear
Group, transmission shaft, adjusting bracket, spring, the gearbox are fixedly connected on the fixing bracket, and the gearbox is located at described solid
The top of fixed rack, the transmission shaft driven are connected to the change gear group, the change gear group be sequentially connected with it is described
Speed pulley, the speed belt wheel outer surface are arranged with first driving belt, and the adjusting bracket is rotationally connected with
The gearbox, the adjustment gear are rotationally connected with the adjustment gear, the adjustment gear engage respectively be connected to it is described
The both ends of change gear group and the first transmission gear, the spring are respectively fixedly connected in the gearbox and adjusting branch
Frame, the transmission component include the first driving pulley, the second driving pulley, the second driving belt and driving belt pulley, institute
It states driving belt pulley to be sequentially connected in the driving wheel, second driving pulley is sequentially connected in first driving cog
Wheel, second driving pulley are sequentially connected by second driving belt and are passed in the driving belt pulley, described first
Dynamic pulley drive is connected to the seeding wheel, first driving pulley by first driving belt be sequentially connected in
The speed pulley.
The utility model also provides preferably, and the change gear group is made of three gears, and three gears are from a left side
To right primary arrangement.
The utility model also provides preferably, and the gear ratio of three gears from left to right is 1：2：3.
The utility model also provides preferably, and the spring is located at the lower section of the adjusting bracket, the upper end of the spring
It is fixedly connected on the adjusting bracket, the lower end of the spring is fixedly connected on the gearbox.
The utility model also provides preferably, and regulation handle is provided on the left of the transmission shaft, and the transmission shaft passes through
Shaft is rotationally connected with the gearbox, and the shaft is slidably connected to the gearbox.
The utility model also provides preferably, and the sowing pipe is located at the bottom through the pedestal, the sowing pipe
Seat section below both sides, which are provided with, covers native holder.
Compared with prior art, the utility model has the beneficial effects that：One kind of the utility model can adjust between sowing
Away from hand-pushing seeder, the adjusting to sowing spacing is realized by the way that variable speed assembly is arranged, when being tuned up to sowing spacing
When, adjusting bracket is lifted up, transmission shaft is inwardly pushed, adjustment gear engagement at this time is connected to change gear group middle gear
Than maximum gear, the rotating speed of seeding wheel is slack-off at this time, and the seed in funnel is fallen in groove, when groove downward when, seed
It is sowed by sowing pipe, is advanced under similarly distance in seeder, sowing number tails off, so that sowing spacing becomes
Greatly, transmission shaft is pulled out, sows spacing at this time and becomes smaller, compare more existing seeder, it is novel to adjust between sowing
Away from hand-pushing seeder can to sowing spacing be adjusted, to meet different cultivars plant growth spacing demand,
So that the growth and development of plant is more preferable.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the structural schematic diagram of gearbox in the utility model；
Fig. 3 is the structural schematic diagram that gear-box side regards in the utility model；
In figure：1- sowing assemblies, 11- funnels, 12- seeding wheels, 13- sowings pipe, 14- pedestals, 15- grooves, 16- sowing
Cabin, 17- driving wheels, 18- fixing brackets, 2- variable speed assemblies, 21- gearboxes, the first driving belts of 22-, 23- speed pulleies,
The first transmission gears of 24-, 25- adjustment gears, 26- change gears group, 27- transmission shafts, 28- adjusting brackets, 29- springs, 3- are passed
Dynamic component, the first driving pulleys of 31-, the second driving pulleys of 32-, the second driving belts of 33-, 34- driving belt pulleys.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：It is a kind of can adjust sowing spacing hand propelled broadcast
Kind machine, including sowing assembly 1, variable speed assembly 2 and transmission component 3, sowing assembly 1 include funnel 11, seeding wheel 12, sowing pipe
13, pedestal 14, sowing cabin 16, driving wheel 17 and fixing bracket 18, funnel 11 and sowing pipe 13 are fixedly connected in sowing cabin 16,
Funnel 11 is located at the top in sowing cabin 16, and sowing pipe 13 is located at the lower section in sowing cabin 16, and sowing pipe 13 is fixedly connected on pedestal 14,
Sowing pipe 13 is located at the top of pedestal 14, and fixing bracket 18 is fixedly connected on pedestal 14, and fixing bracket 18 is located at sowing pipe 13
Right side, driving wheel 17 are rotationally connected with pedestal 14, and driving wheel 17 is located at the right side of pedestal 14, and seeding wheel 12 is rotationally connected with sowing
Cabin 16, seeding wheel 12 are located at the inside in sowing cabin 16, and the outer surface in sowing cabin 16 opens up fluted 15, and variable speed assembly 2 includes becoming
Fast case 21, speed pulley 23, the first transmission gear 24, adjustment gear 25, change gear group 26, passes first driving belt 22
Moving axis 27, adjusting bracket 28, spring 29, gearbox 21 are fixedly connected on fixing bracket 18, and gearbox 21 is located at fixing bracket 18
Top, transmission shaft 27 is sequentially connected in change gear group 26, and change gear group 26 is sequentially connected and speed pulley 23, speed change
23 outer surface of belt pulley is arranged with the first driving belt 22, and adjusting bracket 28 is rotationally connected with gearbox 21,25 turns of adjustment gear
Dynamic to be connected to adjustment gear 25, adjustment gear 25 engages be connected to change gear group 26 and the first transmission gear 24, spring respectively
29 both ends are respectively fixedly connected in gearbox 21 and adjusting bracket 28, and transmission component 3 includes the first driving pulley 31, second
Driving pulley 32, the second driving belt 33 and driving belt pulley 34, driving belt pulley 34 are sequentially connected in driving wheel 17, and second
Driving pulley 32 is sequentially connected in the first transmission gear 24, and the second driving pulley 32 is driven by the second driving belt 33 to be connected
It is connected to driving belt pulley 34, the first driving pulley 31 is sequentially connected in seeding wheel 12, and the first driving pulley 31 passes through first
Driving belt 22 is sequentially connected in speed pulley 23.
In the present embodiment, it is sowed by the way that seeding wheel 12 is arranged, speed pulley 23 passes through the first transmission
Belt 22 drives the rotation of the first driving pulley 31, the first driving pulley 31 that seeding wheel 12 is driven to rotate, the kind in funnel 11
Son is fallen in groove 15, when groove 15 downward when, seed by sow pipe 13 sowed.
In the present embodiment, the adjusting to sowing spacing is realized by the way that change gear group 26 is arranged, when will to broadcasting
When kind spacing tunes up, adjusting bracket 28 is lifted up, transmission shaft 27 is inwardly pushed, adjustment holder 28 is then unclamped, will adjust
Section holder 28 be lifted up, by transmission shaft 27 inwardly push, at this time between the first transmission gear 24 and change gear group 26 between
Away from becoming smaller, adjustment holder 28 is then unclamped, spring 29 drives adjustment gear 25 to move downward by adjusting holder 28 at this time so that
Adjustment gear 25 can engage the first transmission gear 24 of connection and change gear group 26 respectively, to realize the first transmission gear 24
With the transmission of change gear group 26, the engagement of tooth 25 is adjusted at this time and is connected to 26 middle gear of change gear group than maximum gear, this
When seeding wheel 12 rotating speed it is slack-off, the seed in funnel 11 is fallen in groove 15, when groove 15 downward when, seed passes through sowing
Pipe 13 is sowed, and is advanced under similarly distance in seeder, and sowing number tails off, so that sowing spacing becomes larger, when wanting
When being turned down to sowing spacing, adjusting bracket 28 is lifted up, 27 outside rubbish of transmission shaft is moved, then unclamps adjustment holder 28,
When to be turned down to sowing spacing, adjusting bracket 28 is lifted up, transmission shaft 27 is pulled out, at this time the first transmission gear
Spacing between 24 and change gear group 26 becomes larger, and then unclamps adjustment holder 28, spring 29 is by adjusting 28 band of holder at this time
Dynamic adjustment gear 25 moves downward so that adjustment gear 25 can engage the first transmission gear 24 of connection and change gear group respectively
26, to realize the transmission of the first transmission gear 24 and change gear group 26, tooth is adjusted at this time, and 25 engagements are connected to change gear
26 middle gears of group become faster than minimum gear, the at this time rotating speed of seeding wheel 12, and the seed in funnel 11 is fallen in groove 15, when
Groove 15 downward when, seed by sow pipe 13 sowed, seeder advance similarly distance under, sowing number become it is more,
So that sowing spacing becomes smaller, more existing seeder, the novel hand-pushing seeder that can adjust sowing spacing are compared
Can to sowing spacing be adjusted, to meet different cultivars plant growth spacing demand so that the life of plant
Long development is more preferable.
Further, change gear group 26 is made of three gears, and three gears from left to right once arrange.
In the present embodiment, the adjusting to sowing spacing is realized by the way that change gear group 26 is arranged, when will to broadcasting
When kind spacing tunes up, adjusting bracket 28 is lifted up, transmission shaft 27 is inwardly pushed, then unclamps adjustment holder 28, at this time
The engagement of adjustment gear 25 is connected to 26 middle gear of change gear group than maximum gear, and the rotating speed of seeding wheel 12 is slack-off at this time, leakage
Bucket 11 in seed fall in groove 15, when groove 15 downward when, seed by sow pipe 13 sowed, in seeder row
Into under same distance, sowing number tails off, so that sowing spacing becomes larger, when to be turned down to sowing spacing, will adjust
Holder 28 is lifted up, and 27 outside rubbish of transmission shaft is moved, and then unclamps adjustment holder 28, adjusts tooth at this time, and 25 engagements are connected to
26 middle gear of change gear group becomes faster than minimum gear, the at this time rotating speed of seeding wheel 12, and the seed in funnel 11 falls to recessed
In slot 15, when groove 15 downward when, seed by sow pipe 13 sowed, seeder advance similarly distance under, sowing
Number becomes more, so that sowing spacing becomes smaller.
Further, the gear ratio of three gears from left to right is 1：2：3.
In the present embodiment, it is 1 by the way that gear ratio is arranged：2：3 three gears adjust sowing spacing to realize
Section, when to be tuned up to sowing spacing, adjusting bracket 28 is lifted up, transmission shaft 27 is inwardly pushed, then unclamps and adjusts
Whole holder 28, adjusts tooth at this time, 25 engagements are connected to 26 middle gear of change gear group than maximum gear, at this time seeding wheel 12
Rotating speed is slack-off, and the seed in funnel 11 is fallen in groove 15, when groove 15 downward when, seed by sow pipe 13 broadcast
Kind, seeder advance similarly distance under, sowing number tail off so that sowing spacing become larger, when will to sow spacing
When turning down, adjusting bracket 28 is lifted up, 27 outside rubbish of transmission shaft is moved, adjustment holder 28 is then unclamped, adjusts tooth at this time,
25 engagements are connected to gear of 26 middle gear of change gear group than minimum, and the rotating speed of seeding wheel 12 becomes faster at this time, in funnel 11
Seed is fallen in groove 15, when groove 15 downward when, seed is sowed by sowing pipe 13, is advanced in seeder same
Under distance, sowing number becomes more, so that sowing spacing becomes smaller.
Further, spring 29 is located at the lower section of adjusting bracket 28, and the upper end of spring 29 is fixedly connected on adjusting bracket 28,
The lower end of spring 29 is fixedly connected on gearbox 21.
In the present embodiment, by the way that spring 29 is arranged the adjustment gear 25 in adjusting bracket 28 is driven
, when to be tuned up to sowing spacing, adjusting bracket 28 is lifted up, transmission shaft 27 is inwardly pushed, the first transmission at this time
Spacing between gear 24 and change gear group 26 becomes smaller, and then unclamps adjustment holder 28, spring 29 is by adjusting holder at this time
28 drive adjustment gears 25 move downward so that adjustment gear 25 can engage the first transmission gear 24 of connection and gear teeth respectively
Wheel group 26, when to be turned down to sowing spacing, will be adjusted to realize the transmission of the first transmission gear 24 and change gear group 26
Holder 28 is lifted up, and transmission shaft 27 is pulled out, at this time the spacing between the first transmission gear 24 and change gear group 26
Become larger, then unclamp adjustment holder 28, spring 29 drives adjustment gear 25 to move downward by adjusting holder 28 at this time so that adjusts
Section gear 25 can engage the first transmission gear 24 of connection and change gear group 26 respectively, to realize 24 He of the first transmission gear
The transmission of change gear group 26.
Further, the left side of transmission shaft 27 is provided with regulation handle, and transmission shaft 27 is rotationally connected with speed change by shaft
Case 21, shaft are slidably connected to gearbox 21.
In the present embodiment, it is conveniently adjusted the position of change gear group 26 by the way that regulation handle is arranged, when adjusting
When sowing spacing, transmission shaft 21 is pulled or twitched by regulation handle, so that it may carry out the position of change gear group 26
Transformation, to realize the adjustment to sowing spacing.
Further, sowing pipe 13 is through pedestal 14, and sowing pipe 13, which is located at 14 section below both sides of pedestal and is provided with, to be covered
Native holder.
In the present embodiment, native holder is covered by setting to carry out covering soil, when seed falls to sowing pipe 13, planted
Son moves downward, into burying, sowing pipe 13 both sides cover native holder can in seed into burying mouth, carry out covering in time soil to
Complete seeding operation.
The operation principle and process for using of the utility model：After the utility model installs, when will to sow spacing tune
When big, adjusting bracket 28 is lifted up, transmission shaft 27 is inwardly pushed, adjustment holder 28 is then unclamped, by adjusting bracket 28
It is lifted up, transmission shaft 27 is inwardly pushed, the spacing between the first transmission gear 24 and change gear group 26 becomes smaller at this time, so
Adjustment holder 28 is unclamped afterwards, and spring 29 drives adjustment gear 25 to move downward by adjusting holder 28 at this time so that adjustment gear
25 can engage the first transmission gear 24 of connection and change gear group 26 respectively, to realize the first transmission gear 24 and gear teeth
The transmission of wheel group 26 adjusts the engagement of tooth 25 and is connected to 26 middle gear of change gear group than maximum gear, at this time seeding wheel at this time
12 rotating speed is slack-off, and the seed in funnel 11 is fallen in groove 15, when groove 15 downward when, seed pass through sow pipe 13 carry out
Sowing is advanced in seeder under similarly distance, and sowing number tails off, so that sowing spacing becomes larger, when will be between sowing
When away from turning down, adjusting bracket 28 is lifted up, 27 outside rubbish of transmission shaft is moved, adjustment holder 28 is then unclamped, when will be to broadcasting
When kind spacing is turned down, adjusting bracket 28 is lifted up, transmission shaft 27 is pulled out, at this time the first transmission gear 24 and speed change
Spacing between gear set 26 becomes larger, and then unclamps adjustment holder 28, and spring 29 drives by adjusting holder 28 and adjusts tooth at this time
Wheel 25 moves downward so that and adjustment gear 25 can engage the first transmission gear 24 of connection and change gear group 26 respectively, to
The transmission for realizing the first transmission gear 24 and change gear group 26, adjusts tooth at this time, and 25 engagements are connected in change gear group 26
The gear of gear ratio minimum, at this time the rotating speed of seeding wheel 12 become faster, the seed in funnel 11 is fallen in groove 15, when groove 15
When downward, seed is sowed by sowing pipe 13, is advanced under similarly distance in seeder, sowing number becomes more, to make
Spacing must be sowed to become smaller, compare more existing seeder, the novel hand-pushing seeder that can adjust sowing spacing can be right
Sowing spacing be adjusted, to meet different cultivars plant growth spacing demand so that the growth and development of plant
More preferably.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (6)
1. a kind of hand-pushing seeder that can adjust sowing spacing, it is characterised in that：Including sowing assembly (1), variable speed assembly
(2) and transmission component (3), the sowing assembly (1) include funnel (11), seeding wheel (12), sowing pipe (13), pedestal (14),
Sow cabin (16), driving wheel (17) and fixing bracket (18), the funnel (11) and the sowing manage (13) be fixedly connected in
The sowing cabin (16), the funnel (11) are located at the top of sowing cabin (16), and the sowing pipe (13) is located at described broadcast
The lower section of kind cabin (16), the sowing pipe (13) are fixedly connected on the pedestal (14), and the sowing pipe (13) is located at the bottom
The top of seat (14), the fixing bracket (18) are fixedly connected on the pedestal (14), and the fixing bracket (18) is located at described
The right side of sowing pipe (13), the driving wheel (17) are rotationally connected with the pedestal (14), and the driving wheel (17) is located at described
The right side of pedestal (14), the seeding wheel (12) are rotationally connected with the sowing cabin (16), and the seeding wheel (12) is located at described
The inside of cabin (16) is sowed, the outer surface of sowing cabin (16) opens up fluted (15),
The variable speed assembly (2) includes gearbox (21), the first driving belt (22), speed pulley (23), the first driving cog
Take turns (24), adjustment gear (25), change gear group (26), transmission shaft (27), adjusting bracket (28), spring (29), the speed change
Case (21) is fixedly connected on the fixing bracket (18), and the gearbox (21) is located at the top of the fixing bracket (18), institute
It states transmission shaft (27) to be sequentially connected in the change gear group (26), the change gear group (26) is sequentially connected and the speed change
Belt pulley (23), speed pulley (23) outer surface are arranged with first driving belt (22), the adjusting bracket
(28) it is rotationally connected with the gearbox (21), the adjustment gear (25) is rotationally connected with the adjustment gear (25), described
Adjustment gear (25) engages respectively is connected to the change gear group (26) and the first transmission gear (24), the spring (29)
Both ends are respectively fixedly connected in the gearbox (21) and the adjusting bracket (28),
The transmission component (3) includes the first driving pulley (31), the second driving pulley (32), the second driving belt (33)
With driving belt pulley (34), the driving belt pulley (34) is sequentially connected in the driving wheel (17), second driving belt
It takes turns (32) to be sequentially connected in first transmission gear (24), second driving pulley (32) is driven skin by described second
Band (33) is sequentially connected in the driving belt pulley (34), and first driving pulley (31) is sequentially connected in the seeding wheel
(12), first driving pulley (31) is sequentially connected by first driving belt (22) in the speed pulley
(23)。
2. a kind of hand-pushing seeder that can adjust sowing spacing as described in claim 1, it is characterised in that：The speed change
Gear set (26) is made of three gears, and three gears from left to right once arrange.
3. a kind of hand-pushing seeder that can adjust sowing spacing as claimed in claim 2, it is characterised in that：Described in three
The gear ratio of gear from left to right is 1：2：3.
4. a kind of hand-pushing seeder that can adjust sowing spacing as described in claim 1, it is characterised in that：The spring
(29) it is located at the lower section of the adjusting bracket (28), the upper end of the spring (29) is fixedly connected on the adjusting bracket (28),
The lower end of the spring (29) is fixedly connected on the gearbox (21).
5. a kind of hand-pushing seeder that can adjust sowing spacing as described in claim 1, it is characterised in that：The transmission
Regulation handle is provided on the left of axis (27), the transmission shaft (27) is rotationally connected with the gearbox (21), institute by shaft
It states shaft and is slidably connected to the gearbox (21).
6. a kind of hand-pushing seeder that can adjust sowing spacing as described in claim 1, it is characterised in that：The sowing
(13) are managed through the pedestal (14), the sowing, which manages (13) and is located at the pedestal (14) section below both sides and is provided with, covers soil
Holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820461748.5U CN208079762U (en) | 2018-03-30 | 2018-03-30 | A kind of hand-pushing seeder that can adjust sowing spacing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820461748.5U CN208079762U (en) | 2018-03-30 | 2018-03-30 | A kind of hand-pushing seeder that can adjust sowing spacing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208079762U true CN208079762U (en) | 2018-11-13 |
Family
ID=64057621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820461748.5U Expired - Fee Related CN208079762U (en) | 2018-03-30 | 2018-03-30 | A kind of hand-pushing seeder that can adjust sowing spacing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208079762U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112868328A (en) * | 2021-01-27 | 2021-06-01 | 山东得知科技发展有限公司 | Seeder with adjustable seeding interval and seeding method |
-
2018
- 2018-03-30 CN CN201820461748.5U patent/CN208079762U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112868328A (en) * | 2021-01-27 | 2021-06-01 | 山东得知科技发展有限公司 | Seeder with adjustable seeding interval and seeding method |
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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: 20181113 Termination date: 20190330 |
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| CF01 | Termination of patent right due to non-payment of annual fee |