CN207766860U - Push cam and transmission mechanism, implanting mechanism and rice transplanter including the cam - Google Patents
Push cam and transmission mechanism, implanting mechanism and rice transplanter including the cam Download PDFInfo
- Publication number
- CN207766860U CN207766860U CN201721804328.4U CN201721804328U CN207766860U CN 207766860 U CN207766860 U CN 207766860U CN 201721804328 U CN201721804328 U CN 201721804328U CN 207766860 U CN207766860 U CN 207766860U
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- China
- Prior art keywords
- rotating shaft
- push cam
- keyway
- cam
- transmission mechanism
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- 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.)
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Abstract
The utility model discloses push cam and the transmission mechanism including the cam, implanting mechanism and rice transplanter.The transmission mechanism of wherein rice transplanter includes the rotating shaft of output rotation, and surface is provided with keyway, and the end face that the keyway extends to the rotating shaft forms gap；And push cam, it is set in outside the rotating shaft, and thereon integrally formed with driving key compatible with keyway portion.The gap side is closed in the push cam and is provided with clamp spring, and the clamp spring is set on the rotating shaft.The driving key portion is flat key fit structure with the keyway.The problem of driving key and push cam, which are integrally formed, is not present gap, and material is also identical, and this structure overcomes the difference of hardness and fit clearance between key and push cam simultaneously, avoids key failure, ensure that the stability of transmission.Keyway on rotating shaft extends to a side section and forms gap, facilitates assembly and disassembly push cam.
Description
Technical field
The utility model is related to rice transplanter technical field, especially push cam and transmission mechanism including the cam, insert
Plant mechanism and rice transplanter.
Background technology
Implanting mechanism on rice transplanter, which is generally coordinated by the key of push cam and rotating shaft, realizes transmission.Outside push cam
Shape is simple, generally the modes such as powder metallurgy is used to manufacture in the prior art, can reduce in this way manufacturing procedure save process time and
Cost, and it can be made to possess high case hardness, improve service life.
This structure the problem is that：The case hardness of push cam is higher than key, while the precision of powder metallurgy makes
Easily there is larger gap between keyhole and key on push cam, under the action of this 2 factors key be easy to happen gnaw,
It cuts, so as to cause transmission failure.
Invention content
The purpose of this utility model is to provide push cam and transmission mechanism, implanting mechanism and rice transplanting including the cam
Machine promotes the reliability of implanting mechanism transmission.
The technical scheme that the utility model is provided is as follows：A kind of push cam is set in output rotation in transplanting device
On rotating shaft, and keyway is provided on the rotating shaft, the end face that the keyway extends to the rotating shaft forms gap；It is described
Integrally formed with driving key compatible with keyway portion on push cam.
The technical program, driving key and push cam, which are integrally formed, is not present gap, and material is also identical, this structure
The problem of overcoming the difference of hardness and fit clearance between key and push cam simultaneously avoids key failure, ensure that transmission
Stability.
A kind of transmission mechanism of transplanting device is also disclosed in the utility model, including：
The rotating shaft of rotation is exported, surface is provided with keyway, and the end face that the keyway extends to the rotating shaft is formed
Gap；And
Push cam is set in outside the rotating shaft, and thereon integrally formed with driving key compatible with the keyway
Portion.
The technical program, driving key and push cam, which are integrally formed, is not present gap, and material is also identical, this structure
The problem of overcoming the difference of hardness and fit clearance between key and push cam simultaneously avoids key failure, ensure that transmission
Stability.Keyway on rotating shaft extends to a side section and forms gap, is to assemble and disassemble push cam.
Preferably, it closes on the gap side in the push cam and is provided with clamp spring, and the clamp spring is set in institute
It states on rotating shaft.
Specifically, the driving key portion is flat key fit structure with the keyway.
Specifically, the driving key portion is with the push cam rest part, thickness is identical in the axial direction.It is convex convenient for pushing tow
The molding of wheel.
Specifically, the push cam is powder metallurgy forming part.
Specifically, the push cam is fine machine-shaping part.
A kind of transplanting device is also disclosed in the utility model, includes the transmission mechanism of transplanting device above-mentioned.
A kind of rice transplanter, including transplanting device above-mentioned is also disclosed in the utility model.
Push cam provided by the utility model and transmission mechanism, implanting mechanism and rice transplanter including the cam, can
Bring following at least one advantageous effect：
1, driving key and push cam, which are integrally formed, is not present gap, and material identical, this structure overcome simultaneously
The problem of difference of hardness and fit clearance between key and push cam, avoids driving key failure, ensure that the stabilization of transmission
Property.
2, the keyway on rotating shaft extends to a side section and forms gap to assemble and disassemble push cam.
3, thickness is identical in the axial direction with the push cam rest part in driving key portion.Convenient for the molding of push cam.
Description of the drawings
Below by a manner of clearly understandable, preferred embodiment is described with reference to the drawings, it is convex to push cam and including this
Above-mentioned characteristic, technical characteristic, advantage and its realization method of the transmission mechanism of wheel, implanting mechanism and rice transplanter give furtherly
It is bright.
Fig. 1 is the planar structure schematic diagram of push cam.
Fig. 2 is the dimensional structure diagram of transplanting machine transmission mechanism.
Drawing reference numeral explanation：100, push cam, 110, driving key portion, 200, rotating shaft, 210, keyway, 211, gap,
300, clamp spring.
Specific implementation mode
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, attached drawing will be compareed below
Illustrate specific embodiment of the present utility model.It should be evident that the accompanying drawings in the following description is only the one of the utility model
A little embodiments for those of ordinary skill in the art without creative efforts, can also be according to these
Attached drawing obtains other attached drawings, and obtains other embodiments.
To make simplified form, in each figure only schematically show with the relevant part of the utility model, they are simultaneously
Its practical structures as product is not represented.
Shown in referring to Figures 1 and 2, the utility model discloses a kind of transmission mechanism of transplanting device comprising push cam
100 with rotating shaft 200.
The driving rotation of 200 driven device of rotating shaft, surface are provided with keyway 210, and keyway 210 extends to rotating shaft
200 end face forms gap 211.Push cam 100 is set in outside rotating shaft 200, and thereon integrally formed with keyway 210
Compatible driving key portion 110.Push cam 100 is sleeved on by gap 211 on the outer ring surface of rotating shaft 200, driving key portion
Cooperation transmission agency can be achieved in 110 holdings in keyway 210.Illustratively, driving key portion 110 coordinates with keyway 210 for flat key
Structure.
Driving key and push cam 100, which are integrally formed, is not present gap, and material is also identical, and this structure overcomes simultaneously
The problem of difference of hardness and fit clearance between key and push cam 100, avoids key failure, ensure that the stabilization of transmission
Property.
It should be noted that the molding about driving key portion 110, it can be by powder metallurgy or fine processing technology with top
The rest part for pushing away cam 100 is molded together.
It is further preferred that closing on 211 side of gap in push cam 100 is provided with clamp spring 300, and 300 sets of clamp spring
It is located on rotating shaft 200.To prevent the axial float of push cam 100.Driving key portion 110 and 100 rest part of push cam
Thickness is identical in the axial direction.Convenient for the molding of push cam 100.
A kind of transplanting device is also disclosed in the utility model, includes the transmission mechanism of transplanting device above-mentioned.One kind is also disclosed
Rice transplanter, including transplanting device above-mentioned.
It should be noted that above-described embodiment can be freely combined as needed.The above is only the utility model
Preferred embodiment, it is noted that for those skilled in the art, do not departing from the utility model principle
Under the premise of, several improvements and modifications can also be made, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (9)
1. a kind of push cam is set on the rotating shaft for exporting rotation in transplanting device, and is provided with key on the rotating shaft
Slot, the end face that the keyway extends to the rotating shaft form gap；It is characterized in that：On the push cam integrally formed with
Driving key compatible with keyway portion.
2. a kind of transmission mechanism of transplanting device, which is characterized in that including：
The rotating shaft of rotation is exported, surface is provided with keyway, and the end face that the keyway extends to the rotating shaft forms gap；
And
Push cam is set in outside the rotating shaft, and thereon integrally formed with driving key compatible with keyway portion.
3. the transmission mechanism of transplanting device according to claim 2, it is characterised in that：It is closed in the push cam described
Gap side is provided with clamp spring, and the clamp spring is set on the rotating shaft.
4. the transmission mechanism of transplanting device according to claim 2, it is characterised in that：The driving key portion and the keyway
For flat key fit structure.
5. the transmission mechanism of transplanting device according to claim 2, it is characterised in that：The driving key portion and the pushing tow
Thickness is identical in the axial direction for cam rest part.
6. the transmission mechanism of transplanting device according to claim 2, it is characterised in that：The push cam is powder metallurgy
Molded part.
7. the transmission mechanism of transplanting device according to claim 2, it is characterised in that：The push cam is processed for fine
Molded part.
8. a kind of transplanting device, which is characterized in that include the transmission mechanism of the transplanting device as described in claim 2-7 is any.
9. a kind of rice transplanter, which is characterized in that including transplanting device as claimed in claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721804328.4U CN207766860U (en) | 2017-12-21 | 2017-12-21 | Push cam and transmission mechanism, implanting mechanism and rice transplanter including the cam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721804328.4U CN207766860U (en) | 2017-12-21 | 2017-12-21 | Push cam and transmission mechanism, implanting mechanism and rice transplanter including the cam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207766860U true CN207766860U (en) | 2018-08-28 |
Family
ID=63227272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721804328.4U Active CN207766860U (en) | 2017-12-21 | 2017-12-21 | Push cam and transmission mechanism, implanting mechanism and rice transplanter including the cam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207766860U (en) |
-
2017
- 2017-12-21 CN CN201721804328.4U patent/CN207766860U/en active Active
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