CN205124314U - Switch of planting is given to intermittent type nature - Google Patents
Switch of planting is given to intermittent type nature Download PDFInfo
- Publication number
- CN205124314U CN205124314U CN201420738322.1U CN201420738322U CN205124314U CN 205124314 U CN205124314 U CN 205124314U CN 201420738322 U CN201420738322 U CN 201420738322U CN 205124314 U CN205124314 U CN 205124314U
- Authority
- CN
- China
- Prior art keywords
- switch
- curved surface
- driven pulley
- planting
- latch
- 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 provides a pair of switch of planting is given to intermittent type nature, include and follow driving wheel and center pin, wherein pass through the bearing from the driving wheel and connect on the center pin that the both ends of spring leaf are connected respectively on driving wheel and center pin, also have the latch and fan the curved surface switch at the outer curved surface of center pin that the device passes through exogenic action latch and spring leaf, make fan curved surface switch follow from driving wheel rotation back and forth, realize the kai heguan of intermittent type nature.
Description
Technical field
The utility model belongs to a kind of implanted device, particularly relates to a kind of intermittence to the switch of planting.
Background technology
When planting economic crops, need seed accurately to sow with the interval of rule.Device for realizing this object has a variety of, but the still vacuum adsorption type cave dish precision seeding machine that application is at present the most general.Vacuum adsorption type cave dish precision seeding machine has a cavity, and this cavity, by a plate-like or disk like baffle for separating, dividing plate is provided with through hole regularly.Apply negative pressure in the side of dividing plate, and seed falls under gravity to the opposite side of dividing plate.
Negative pressure makes seed be attracted on the through hole of dividing plate.Dividing plate goes to the part not having negative pressure in cavity inward turning, because negative pressure is eliminated, seed is released.Determine that the crucial part of this technology is that indoor both sides will seal and the selection of seed and the accurate control of release mutually.
Have devised a series of vacuum adsorption type cave dish precision seeding machine and the success achieved in various degree at present, but these precision sowers are mostly bulky, or be difficult to adjustment, if when needing adjustment, will dismantle whole device.When field condition changes, when needing to carry out adjusting, just can not make adaptations fast, make user's large losses working time, cause inefficiency.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of intermittence to the switch of planting.
The utility model is achieved by the following technical programs.
A kind of intermittence that the utility model provides is to the switch of planting; Comprise driven pulley and central shaft, wherein driven pulley connects on center shaft by bearing, and the two ends of spring leaf are connected on driven pulley and central shaft, also has latch and fan curved surface switch at the positive camber of central shaft.
Latch be round surface structure.
On described fan curved surface switch away from one end of driven pulley be sharp pars convoluta, the port of sharp pars convoluta is spininess, the center of circle that the center of circle of the curved surface away from driven pulley of sharp pars convoluta is.
The beneficial effects of the utility model are: this device by External Force Acting latch and spring leaf, makes fan curved surface switch follow driven pulley and carrys out back rotation, realize intermittently opening and closing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1-driven pulley, 2-central shaft, 3-spring leaf, 4-latch, 5-fans curved surface switch, 51-point pars convoluta.
Embodiment
Further describe the technical solution of the utility model below, but described in claimed scope is not limited to.
A kind of intermittence as shown in Figure 1 gives the switch of planting; Comprise driven pulley 1 and central shaft 2, wherein driven pulley 1 is connected on central shaft 2 by bearing, and the two ends of spring leaf 3 are connected on driven pulley 1 and central shaft 2, also has latch 4 and fan curved surface switch 5 at the positive camber of central shaft 2.
This device by External Force Acting in latch 4, a such as driving wheel and its on also have a latch, driven pulley is rotated clockwise around central shaft, fan curved surface switch 5 is also followed driven pulley 1 and is rotated clockwise, and now spring leaf 3 is in contraction state, when external force can not act on latch 4, driven pulley 1 rotates counterclockwise under the effect of spring leaf 3, fan curved surface switch 5 is also followed driven pulley 1 and is rotated counterclockwise, and realizes fan curved surface switch 5 rotation back and forth successively, realizes intermittence and open and close function.
Further, latch 4 in round surface structure, to reduce friction during External Force Acting.Further, on described fan curved surface switch 5 away from one end of driven pulley 1 be sharp pars convoluta 51, the port of point pars convoluta 51 is spininess, the center of circle that the center of circle of the curved surface away from driven pulley 1 of point pars convoluta 51 is, designs with this and makes each point of the curved surface away from driven pulley 1 of sharp pars convoluta 51 equal to the distance in the driven pulley center of circle; More than design ensures that the sharp pars convoluta 5 of fan curved surface switch 5 is in the process of Kai Heguan, and the opening part that seed can only never be closed flows out, and does not have other gaps.The port of point pars convoluta 51 is spininess design, can reduce resistance, avoids seed to fan curved surface switch 5 and is damaged by pressure when closing.
Claims (3)
1. an intermittence gives the switch of planting, it is characterized in that: comprise driven pulley (1) and central shaft (2), wherein driven pulley (1) is connected on central shaft (2) by bearing, the two ends of spring leaf (3) are connected on driven pulley (1) and central shaft (2), also have latch (4) and fan curved surface switch (5) at the positive camber of central shaft (2).
2. the switch to give kind as claimed in claim 1 intermittent, is characterized in that: latch (4) in round surface structure.
3. as claimed in claim 1 intermittent to the switch of planting, it is characterized in that: on described fan curved surface switch (5) away from one end of driven pulley (1) be sharp pars convoluta (51), the port of point pars convoluta (51) is spininess, the center of circle that the center of circle of the curved surface away from driven pulley (1) of sharp pars convoluta (51) is.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420738322.1U CN205124314U (en) | 2014-11-28 | 2014-11-28 | Switch of planting is given to intermittent type nature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420738322.1U CN205124314U (en) | 2014-11-28 | 2014-11-28 | Switch of planting is given to intermittent type nature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205124314U true CN205124314U (en) | 2016-04-06 |
Family
ID=55610155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420738322.1U Expired - Fee Related CN205124314U (en) | 2014-11-28 | 2014-11-28 | Switch of planting is given to intermittent type nature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205124314U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110419301A (en) * | 2019-09-03 | 2019-11-08 | 贵州理工学院 | Multifunction automatic tray seeder |
-
2014
- 2014-11-28 CN CN201420738322.1U patent/CN205124314U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110419301A (en) * | 2019-09-03 | 2019-11-08 | 贵州理工学院 | Multifunction automatic tray seeder |
| CN110419301B (en) * | 2019-09-03 | 2021-11-23 | 贵州理工学院 | Multifunctional automatic hole-disk seeder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20161128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |