CN208768373U - A kind of corn thinning device - Google Patents
A kind of corn thinning device Download PDFInfo
- Publication number
- CN208768373U CN208768373U CN201821538798.5U CN201821538798U CN208768373U CN 208768373 U CN208768373 U CN 208768373U CN 201821538798 U CN201821538798 U CN 201821538798U CN 208768373 U CN208768373 U CN 208768373U
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- CN
- China
- Prior art keywords
- grip block
- arc grip
- bar
- drawstring
- fixed arc
- 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
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Abstract
The utility model gives a kind of corn thinning device, including lift lever, clamping device and retracting mechanism, clamping device includes adjustable arc grip block, fixed arc grip block and top pressure spring, a support plate is fixedly installed in the outer upper of fixed arc grip block, the lower end setting of lift lever is on the supporting plate, one vertical limit plate is set on support plate baseplane, it is setting up and down there are two guide rod in the outside of adjustable arc grip block, guide rod sequentially passes through fixed arc grip block and vertical limit plate, top pressure spring is nested on the guide bar, the right end of two guide rods is provided with the connecting plate of two guide rods of connection, retracting mechanism includes drawstring, directive wheel and bar of pulling back.User does not have to bend over that thinning work can be carried out using the device, thus greatly reduces labor intensity.
Description
Technical field
The utility model relates to a kind of corn thinning devices.
Background technique
In China, corn is a kind of important crops, there is vast cultivated area.In corn planting, to guarantee
Seedling emergence rate can generally place 2-3 seeds in kind of cave, after seedling grows to 4-5 leaf, for the growth for guaranteeing seedling, need
Thinning processing is carried out, is i.e. leaves behind a seedling the strongst in each kind of cave, remaining seedling is all pulled out.Between now
Seedling is all to need to bend over to carry out using artificial hand operation, and a thinning is got off tired pain in low back and legs, and age a little bigger people is even more
In this way, a biggish labour of intensity when thinning has become peasant's farming.
Utility model content
The purpose of this utility model is to provide a kind of corn thinning device, user does not have to bend over using the device
Thinning work is carried out, labor intensity is thus greatly reduced.
The technical solution adopted by the utility model to solve its technical problems is that: a kind of corn thinning device, including promoted
Leader is arranged on the top of the lift lever in bar, clamping device and retracting mechanism, and the clamping device includes arc of motion clevis
Plate, fixed arc grip block and top pressure spring are held, a support plate is fixedly installed in the outer upper of the fixed arc grip block,
The lower end of the lift lever is arranged in the support plate, and lift lever is adjacent with fixed arc grip block, flat at support plate bottom
One vertical limit plate is set on face, the guiding setting up and down there are two guide rod in the outside of the adjustable arc grip block
Bar sequentially passes through the fixed arc grip block and vertical limit plate, and one is arranged on the guide bar and is located at outside fixed arc grip block
The stop collar of side is nested with a top pressure spring on each described guide rod, and top pressure spring is located at stop collar and erects
Between straight limit plate, the right end of two guide rods is provided with the connecting plate of two guide rods of connection, on the connecting plate
One first link is set, and the retracting mechanism includes drawstring, directive wheel and bar of pulling back, and the directive wheel passes through a bracket and support
Plate is connected, and directive wheel is located at the front-right of the connecting plate, and the bar of pulling back is arranged on the lift lever, and bar of pulling back
Positioned at the lower section of the handle, one second link, the lower end of the drawstring and described first are set in the rear end of the bar of pulling back
Link is connected, and the upper end of the drawstring is connected after bypassing the directive wheel with second link.
Preferably, the lift lever includes guide pipe and telescopic rod, and lower end and the support plate of the guide pipe are fixedly linked
It connects, the lower end of telescopic rod is nested in the guide pipe, and handle is fixedly linked with telescopic rod top, and bar of pulling back is hinged on telescopic rod
Outside also sets up one for limiting gag lever post of the bar to lower swing of pulling back, if being provided on the telescopic rod on telescopic rod
The dry first positioning hole along its axial directional distribution, setting one is matched with the first positioning hole on the top of guide pipe the
Two location holes, a pin shaft passes through the second location hole and first positioning hole realizes that telescopic rod and the relatively fixed of guide pipe connect
It connects.
Further, one limited block is set in the upper end of the drawstring, drawstring is nested in the through-hole in limited block, is limited
Setting one realizes consolidating for drawstring upper end for pressing the positioning bolt of drawstring, the limited block holding on the second link on the block of position
It is fixed.
Preferably, characterized in that an anti-decylization being buckled on the outside of the directive wheel is set on the bracket, it is described anti-
Decylization is by drawstring holding in the groove of directive wheel.
Preferably, one Horizontal limiting plate, the bottom of the Horizontal limiting plate are set in the outside of the fixed arc grip block
The vertical range of the baseplane of plane and the adjustable arc grip block is H, 5cm≤H≤10cm.
Preferably, cutter are provided on the baseplane of the fixed arc grip block, under the blade of the cutter
The vertical range of the baseplane of edge and Horizontal limiting plate is L, 10cm≤L≤20cm.
Preferably, one layer of rubber sheet gasket is provided on the medial surface of the fixed arc grip block.
The beneficial effects of the utility model are: the utility model structure is simple, operate conveniently, this dress of user's one-handed performance
Thinning work can be completed by setting, in use, user holds handle, mobile whole device, so that the seedling for needing to be pulled out
Between adjustable arc grip block and fixed arc grip block, then, whole device, after the completion of pushing, finger are slightly pushed
It is pulled back up bar of pulling back, then realizes fixation of the seedling between adjustable arc grip block and fixed arc grip block, finally, to
On lift whole device, seedling can be extracted；The cutter of fixed arc grip block lower part setting, when carrying out thinning, quilt
Pushing enters in soil, so that the cutting of the part lateral root system for the seedling pulled out to needs can be realized, then reduces children
Resistance when seedling is pulled out, convenient for the smooth extraction of seedling；Horizontal limiting plate can limit cutter insertion depth, can then prevent
Adjustable arc clamping plate is inserted into soil, in order to avoid adjustable arc clamping plate cannot smoothly be withdrawn, then influences the clamping of seedling.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is this
The part preferred embodiment of utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the overall structure side view of the utility model；
Fig. 3 is adjustable arc grip block and fixed arc grip block connection schematic diagram；
Fig. 4 is enlarged drawing at A in Fig. 1；
Fig. 5 is enlarged drawing at B in Fig. 1；
Fig. 6 is enlarged drawing at C in Fig. 2；
Fig. 7 is enlarged drawing at D in Fig. 2；
In figure: 11 guide pipes, 111 pin shafts, 12 telescopic rods, 121 handles, 21 adjustable arc grip blocks, 211 guide rods,
2111 connecting plates, 2,112 first links, 2113 stop collars, 22 fixed arc grip blocks, 221 support plates, 2211 vertical limit plates,
222 cutter, 223 Horizontal limiting plates, 23 top pressure springs, 31 drawstrings, 311 limited blocks, 312 positioning bolts, 32 directive wheels, 321
Bracket, 3211 anti-decylizations, 33 are pulled back bar, 331 second links, 332 gag lever posts.
Specific embodiment
Below in conjunction with specific embodiments and drawings 1-7, to the technical scheme in the embodiment of the utility model carry out it is clear,
It being fully described by, it is clear that described embodiment is only a part of preferred embodiment of the utility model, rather than whole
Embodiment.Those skilled in the art can do similar deformation without prejudice to the utility model connotation, therefore this is practical
It is novel to be not limited by the specific embodiments disclosed below.
The utility model provides a kind of corn thinning device (as shown in Figure 1), including lift lever, clamping device and pulls back
Leader 121 is arranged on the top of the lift lever in mechanism, and the clamping device includes adjustable arc grip block 21, fixed arc
A support plate 221, institute is fixedly installed in the outer upper of the fixed arc grip block 22 in shape grip block 22 and top pressure spring 23
The lower end for stating lift lever is arranged in the support plate 221, and lift lever is adjacent with fixed arc grip block 22, in support plate
One vertical limit plate 2211 is set on 221 baseplanes, it is setting up and down there are two leading in the outside of the adjustable arc grip block 21
To bar 211, the guide rod 211 sequentially passes through the fixed arc grip block 22 and vertical limit plate 2211, and guide rod 211 can
Free to slide on fixed arc grip block 22 and vertical limit plate 2211, the lateral surface of adjustable arc grip block 21 can be with fixation
The medial surface of arc grip block 22 fits closely, and a limit for being located at fixed 22 outside of arc grip block is arranged on guide rod 211
Position ring 2113, is nested with a top pressure spring 23, and top pressure spring 23 is located at stop collar on each described guide rod 211
Between 2113 and vertical limit plate 2211, the right end of two guide rods 211 is provided with the connection of two guide rods 211 of connection
One first link 2112 is arranged in plate 2111 on the connecting plate 2111.
The retracting mechanism includes drawstring 31, directive wheel 32 and bar 33 of pulling back, the directive wheel 32 by a bracket 321 with
Support plate 221 is connected, and directive wheel 32 is located at the front-right of the connecting plate 2111, and directive wheel 32 is free to rotate, described
Bar 33 of pulling back is arranged on the lift lever, and bar 33 of pulling back is located at the lower section of the handle 121, after the bar 33 of pulling back
One second link 331 of end setting, the lower end of the drawstring 31 are connected with first link 2112, the upper end of the drawstring 31
Around being connected after the directive wheel 32 with second link 331, it can realize that adjustable arc clamps by bar 33 of pulling back
Plate 21 is to the close of fixed curved splint 22 and clamps.
User to make the utility model be suitable for different heights uses, here, in this embodiment, so that mentioning
Rising stem has Telescopic, and specifically, the lift lever includes guide pipe 11 and telescopic rod 12, the lower end of the guide pipe 11 with
Support plate 221 is connected to a fixed, and the lower end of telescopic rod 12 is nested in the guide pipe 11, handle 121 and 12 top of telescopic rod
Be fixedly linked, bar of pulling back is hinged on the outside of telescopic rod 12, also set up on telescopic rod 12 one for limit pull back bar 33 to the bottom
Dynamic gag lever post 332 is provided with several first positioning holes 122 along its axial directional distribution on the telescopic rod 12, is leading
The second location hole matched to the top of pipe 11 setting one with the first positioning hole 122, a pin shaft 111 pass through described second
Location hole and first positioning hole 122 realize that telescopic rod 12 and the relatively fixed of guide pipe 11 connect, and are existed by changing telescopic rod 12
Position on guide pipe 11 can change the height of lift lever, so that user obtains optimal use highly.In reality
In application process, after having adjusted the height of telescopic rod 12, for the tensioner degree for being conveniently adjusted drawstring 31, here, in the drawstring
A limited block 311 is arranged in 31 upper end, and drawstring 31 is nested in the through-hole in limited block 311, and one is arranged on limited block 311 and uses
In the positioning bolt 312 of press drawstring 31, consolidating for 31 upper end of drawstring is realized in 311 holding of limited block on the second link 331
Fixed, drawstring 31 can not pull out limited block 311 from the second link 331, when the tensioner for needing to adjust drawstring 31 is spent, will position
Bolt 312 unclamps, and then tenses drawstring 31 on demand, then again tightens positioning bolt 312 and suppress drawstring 31 again.
In use, to prevent drawstring 31 to be detached from out of directive wheel 32 groove, here, one card of setting on the bracket 321
Be buckled in the anti-decylization 3211 in 32 outside of the directive wheel, the anti-decylization 3211 by 31 holding of drawstring directive wheel 32 groove
It is interior.
For the smooth extraction for being easy to implement corn seedling, here, being set on the baseplane of the fixed arc grip block 22
Cutter 222 are equipped with, cutter 222 can be plugged into the part lateral root system of below ground cutting corn seedling, to reduce jade
Resistance when meter You Miao is extracted, to prevent the insertion of cutter 222 ground too deep, here, in the fixed arc grip block 22
A Horizontal limiting plate 223 is arranged in outside, and Horizontal limiting plate 223 and ground are face contact, so as to effectively prevent cutter 222 into
One step is inserted into below ground, to prevent adjustable arc grip block 21 to be inserted into below ground, here, by Horizontal limiting plate 223
The vertical range H (5cm≤H≤10cm) of baseplane and the baseplane of the adjustable arc grip block 21 is set as 7.5cm, into one
Step ground, to limit 222 insertion depth of cutter, here, by the bottom of the blade lower edge of cutter 222 and Horizontal limiting plate 223
The vertical range of plane is that L (20cm≤L≤40cm) is set as 30cm.
In use, user holds handle 121, mobile whole device, so that the seedling for needing to be pulled out is located at activity
Between arc grip block 21 and fixed arc grip block 22, then, whole device is slightly pushed, so that cutter 222 are inserted into
Below ground, after the completion of pushing, finger is pulled back up bar 33 of pulling back, and then realizes seedling in adjustable arc grip block 21 and fixes
Fixation between arc grip block 22 can extract seedling finally, being lifted up whole device, to increase arc of motion clevis
Plate 21 and fixed arc grip block 22 are held to the clamping force of seedling, here, setting on the medial surface of fixed arc grip block 22
It is equipped with one layer of rubber sheet gasket.
In the utility model, "upper", "lower", "left", "right" are for facilitating description positional relationship and using opposite
Position, therefore cannot function as absolute position and be interpreted as limiting of its scope.
Except for the technical features described in the specification, it all is technically known to those skilled in the art.
The above combination attached drawing is described above in detail preferred embodiments of the present invention and embodiment, but this is practical
It is novel to be not limited to the above-described embodiment and examples, for those skilled in the art, do not departing from
Under the premise of the utility model is conceived, several improvements and modifications can also be made, these improvements and modifications also should be regarded as practical
Novel protection scope.
Claims (7)
1. a kind of corn thinning device, characterized in that including lift lever, clamping device and retracting mechanism, in the lift lever
Leader is arranged in top, and the clamping device includes adjustable arc grip block, fixed arc grip block and top pressure spring, described
A support plate is fixedly installed in the outer upper of fixed arc grip block, and the lower end of the lift lever is arranged in the support plate,
And lift lever is adjacent with fixed arc grip block, a vertical limit plate is arranged on support plate baseplane, in the adjustable arc
The outside of grip block is setting up and down there are two guide rod, and the guide rod sequentially passes through the fixed arc grip block and vertical limit
A stop collar being located on the outside of fixed arc grip block is arranged on the guide bar, covers on each described guide rod for position plate
A top pressure spring is set, and top pressure spring is arranged between stop collar and vertical limit plate in the right end of two guide rods
Have the connecting plate of two guide rods of connection, on the connecting plate be arranged one first link, the retracting mechanism include drawstring,
Directive wheel and bar of pulling back, the directive wheel is connected by a bracket with support plate, and directive wheel is being located at the connecting plate just
Right, the bar of pulling back is arranged on the lift lever, and bar of pulling back is located at the lower section of the handle, after the bar of pulling back
One second link of end setting, the lower end of the drawstring are connected with first link, and the upper end of the drawstring is led around described
It is connected after to wheel with second link.
2. a kind of corn thinning device according to claim 1, characterized in that the lift lever includes guide pipe and stretches
Bar, lower end and the support plate of the guide pipe are connected to a fixed, and the lower end of telescopic rod is nested in the guide pipe, handle with stretch
Contracting bar top is fixedly linked, and bar of pulling back is hinged on the outside of telescopic rod, also set up on telescopic rod one for limit bar of pulling back it is downward
The gag lever post of swing is provided with several first positioning holes along its axial directional distribution, in guide pipe on the telescopic rod
The second location hole that top setting one is matched with the first positioning hole, a pin shaft, which passes through the second location hole and first, to be determined
Realize that telescopic rod and the relatively fixed of guide pipe connect in position hole.
3. a kind of corn thinning device according to claim 2, characterized in that one limit of setting in the upper end of the drawstring
Block, drawstring are nested in the through-hole in limited block, and one is arranged on limited block for pressing the positioning bolt of drawstring, the limit
The fixation of drawstring upper end is realized in block holding on the second link.
4. a kind of corn thinning device according to claim 1, characterized in that one is arranged on the bracket and is buckled in institute
The anti-decylization on the outside of directive wheel is stated, the anti-decylization is by drawstring holding in the groove of directive wheel.
5. a kind of corn thinning device according to claim 1, characterized in that in the outside of the fixed arc grip block
One Horizontal limiting plate, the vertical range of the baseplane of the Horizontal limiting plate and the baseplane of the adjustable arc grip block are set
For H, 5cm≤H≤10cm.
6. a kind of corn thinning device according to claim 1, characterized in that flat at the bottom of the fixed arc grip block
Cutter are provided on face, the vertical range of the baseplane of the blade lower edge and Horizontal limiting plate of the cutter is L, 10cm
≤L≤20cm。
7. a kind of corn thinning device according to claim 1, characterized in that in the inside of the fixed arc grip block
One layer of rubber sheet gasket is provided on face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821538798.5U CN208768373U (en) | 2018-09-19 | 2018-09-19 | A kind of corn thinning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821538798.5U CN208768373U (en) | 2018-09-19 | 2018-09-19 | A kind of corn thinning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208768373U true CN208768373U (en) | 2019-04-23 |
Family
ID=66161940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821538798.5U Expired - Fee Related CN208768373U (en) | 2018-09-19 | 2018-09-19 | A kind of corn thinning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208768373U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111955070A (en) * | 2020-08-26 | 2020-11-20 | 刘桂花 | Agricultural is with portable ware of thinning out |
| CN112740855A (en) * | 2021-01-20 | 2021-05-04 | 中国农业科学院兰州畜牧与兽药研究所 | Seedling thinning device for alfalfa seed field |
-
2018
- 2018-09-19 CN CN201821538798.5U patent/CN208768373U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111955070A (en) * | 2020-08-26 | 2020-11-20 | 刘桂花 | Agricultural is with portable ware of thinning out |
| CN112740855A (en) * | 2021-01-20 | 2021-05-04 | 中国农业科学院兰州畜牧与兽药研究所 | Seedling thinning device for alfalfa seed field |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190423 Termination date: 20210919 |