CN202931771U - Closed type air suction seeding device - Google Patents
Closed type air suction seeding device Download PDFInfo
- Publication number
- CN202931771U CN202931771U CN 201220639783 CN201220639783U CN202931771U CN 202931771 U CN202931771 U CN 202931771U CN 201220639783 CN201220639783 CN 201220639783 CN 201220639783 U CN201220639783 U CN 201220639783U CN 202931771 U CN202931771 U CN 202931771U
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- air cavity
- air
- seed
- hollow
- cavity body
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Abstract
The utility model discloses a closed type air suction seeding device, and relates to a seeding device of an air suction type seeder. A seed suction plate is arranged at one end of an air cavity body of the seeding device through a seed plate bolt, and a hollow-core air cavity body shaft is fixedly connected with the other end of the air cavity body, and the air cavity of the air cavity body is communicated with the hollow core of the hollow-core air cavity body shaft through an air hole, and the hollow-core air cavity body shaft is arranged in a bearing seat through a bearing; and an air suction pipe shaft is arranged in the hollow-core air cavity body shaft and is fixed with a seed box arranged on the outer side of the seed suction plate through the bearing and bearing seat arranged in the air cavity body, and an air suction hole is arranged on the air suction pipe shaft, so that the defects such as complicated structure, high cost and great difficulty of rotary speed ratio adjusting and the like in the prior art are solved. The closed type air suction seeding device has the advantages of simple structure, low cost, strong seed adsorption force, and no need to adjust the rotary speed ratio and the like; so that the closed type air suction seeding device can be widely applicable to various air suction type seeders.
Description
Technical field
The utility model relates to a kind of dispenser of sower, especially a kind of closed air-suction seed metering device.
Background technology
At present, the seeding unit of pneumatic seeder seed taking device roughly is divided into two kinds: a kind of for air cavity with get seed dish consubstantiality and rotate, another kind is the motionless seed taking disc of air cavity frictional rotation on air cavity.All there is the problem of seed absorbing plate and drum rotation speed ratio in these two kinds of seeding unit structures, thus have complex structure, cost is high, the rotating ratio adjustment difficulty large, the user operates the defectives such as inconvenience.
The utility model content
The purpose of this utility model be to provide a kind of simple in structure, cost is low, need not to install additional a kind of closed air-suction seed metering device of any rotating ratio device.
The technical solution of the utility model is completed as follows:
Comprise kind of a case, air cavity and seed absorbing plate, and be evenly distributed with a kind of closed air-suction seed metering device of seed suction hole on seed absorbing plate, its design feature is: an end of described air cavity is equipped with seed absorbing plate by seed valve snail bolt, the other end of air cavity is fixedly connected with hollow air cavity axon, and the air cavity of air cavity interlinks by the hollow of pore and hollow air cavity axon, and hollow air cavity axon is arranged in bearing block by bearing; Be provided with air-breathing tubular axis in hollow air cavity axon, and air-breathing tubular axis fixes by the kind case that is arranged on bearing and the bearing block in air cavity and is arranged on the seed absorbing plate outside, and be provided with suction hole on air-breathing tubular axis.
It is further characterized in that, the end that described air intake duct shaft extension goes out kind of case is real core; The other end that is connected with the aspiration pump is hollow, which is provided with suction hole, and the hollow end that is in bearing block is provided with sealing ring.
It is further characterized in that, seed absorbing plate and hollow air cavity axon are bolted and are integrated.
The beneficial effects of the utility model are: thus because it adopts the totally-enclosed air negative pressure that increases seed suction hole, pass from the air cavity axon because it adopts air-breathing tubular axis, thereby save the speed reducing ratio device, thus have simple in structurely, cost is low, long service life.The seed absorption affinity is large, the advantages such as user's processing ease.
Description of drawings
Fig. 1 is the utility model structural representation.
In figure: 1,16 bearing blocks, 2, hollow air cavity axon, 3, air-breathing tubular axis, 4, seed absorbing plate, 5, plant case, 6,7 bearings, 8, the air cavity sealing ring, 9, the air intake duct Simmer ring, 10,11 suction holes, 12, seed valve snail bolt, 13, seed suction hole, 14, sealing ring, 15, air cavity.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As shown in Figure 1, comprise kind of case 5, air cavity 15 and seed absorbing plate 4, and be evenly distributed with a kind of closed air-suction seed metering device of seed suction hole 13 on seed absorbing plate 4, its design feature is: an end of described air cavity 15 is equipped with seed absorbing plate 4 by seed valve snail bolt 12, the other end of air cavity 15 is fixedly connected with hollow air cavity axon 2, and the air cavity of air cavity 15 interlinks by the hollow of suction hole 10 with hollow air cavity axon 2, and hollow air cavity axon 2 is arranged in bearing block 1 by bearing 6; Be provided with air-breathing tubular axis 3 in hollow air cavity axon 2, and air-breathing tubular axis 3 fixes with the kind case 5 that is arranged on seed absorbing plate 4 outsides by being arranged on bearing 7 in air cavity 15 and bearing block 16, and be provided with suction hole 11 on air-breathing tubular axis 3.The end that described air-breathing tubular axis 3 stretches out kind of case 5 is real core; The other end that is connected with the aspiration pump is hollow, which is provided with suction hole 11, and the hollow end that is in bearing block 1 is provided with sealing ring 14.Be provided with sealing ring 8,9 on bearing block 1,16.Seed absorbing plate 4 is fixed as one by bolt 12 with hollow air cavity axon 2.
Claims (3)
1. closed air-suction seed metering device, comprise kind of a case (5), air cavity (15) and seed absorbing plate (4), and be evenly distributed with seed suction hole (13) on seed absorbing plate (4), it is characterized in that: an end of described air cavity (15) is equipped with seed absorbing plate (4) by seed valve snail bolt (12), the other end of air cavity (15) is fixedly connected with hollow air cavity axon (2), and the air cavity of air cavity (15) interlinks by the hollow of pore (10) with hollow air cavity axon (2), hollow air cavity axon (2) is arranged in bearing block (1) by bearing (6), be provided with air-breathing tubular axis (3) in hollow air cavity axon (2), and air-breathing tubular axis (3) fixes with the kind case (5) that is arranged on seed absorbing plate (4) outside by being arranged on bearing (7) in air cavity (15) and bearing block (16), and is provided with suction hole (11) on air-breathing tubular axis (3).
2. closed air-suction seed metering device according to claim 1, it is characterized in that: the end that described air-breathing tubular axis (3) stretches out kind of a case (5) is real core; The other end that is connected with the aspiration pump is hollow, which is provided with suction hole (11), and the hollow end that is in bearing block (1) is provided with sealing ring (14).
3. closed air-suction seed metering device according to claim 1 is characterized in that: seed absorbing plate (4) is fixed as one by bolt (12) with hollow air cavity axon (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220639783 CN202931771U (en) | 2012-11-05 | 2012-11-05 | Closed type air suction seeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220639783 CN202931771U (en) | 2012-11-05 | 2012-11-05 | Closed type air suction seeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202931771U true CN202931771U (en) | 2013-05-15 |
Family
ID=48316049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220639783 Expired - Fee Related CN202931771U (en) | 2012-11-05 | 2012-11-05 | Closed type air suction seeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202931771U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109275393A (en) * | 2017-07-21 | 2019-01-29 | 沈阳市实丰农业机械厂 | A kind of reciprocal getter device applied on air-suction seed metering device |
-
2012
- 2012-11-05 CN CN 201220639783 patent/CN202931771U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109275393A (en) * | 2017-07-21 | 2019-01-29 | 沈阳市实丰农业机械厂 | A kind of reciprocal getter device applied on air-suction seed metering device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130515 Termination date: 20191105 |