CN206681899U - A kind of manual cranking device and mini-tiller - Google Patents
A kind of manual cranking device and mini-tiller Download PDFInfo
- Publication number
- CN206681899U CN206681899U CN201720063745.1U CN201720063745U CN206681899U CN 206681899 U CN206681899 U CN 206681899U CN 201720063745 U CN201720063745 U CN 201720063745U CN 206681899 U CN206681899 U CN 206681899U
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- CN
- China
- Prior art keywords
- cranking device
- manual cranking
- rocker arm
- mechanisms
- speed increasing
- 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 discloses a kind of manual cranking device, including rocker arm body, it is characterised in that：The rocker arm body and speed increasing mechanism（3）Connection, the speed increasing mechanism（3）With Shuai Kuai mechanisms（4）Connection, the Shuai Kuai mechanisms（4）Drive the startup cup of engine（5）.It can ensure that toggle speed is fast using manual cranking device of the present utility model, service life length.
Description
Technical field：
A kind of manual cranking device is the utility model is related to, further relates to the mini-tiller with manual cranking device.
Background technology：
Mini-tiller has the features such as in light weight, small volume, simple in construction using small diesel engine or gasoline engine as power.It is micro-
Cultivated machine is widely used in Plain, mountain area, the nonirrigated farmland on hills, paddy field, orchard etc..Mixing corresponding accessory can be drawn water, generated electricity, be sprayed
The operations such as medicine, spray, it can also draw towed vehicle and carry out short-distance transport, mini-tiller can freely exercise in field, be easy to user to make
With and storage, eliminate the worry that large-scale farm machinery cannot be introduced into mountain area field, be vast farmerses consumer substitute ox plough
Optimal selection.
Existing mini-tiller Starting mode has two kinds, and one kind is hand pull starting-up, by pulling dynamic startup pulling plate, by instantaneous quick-fried
Have an effect and start engine, but the mode of hand pull starting-up is not easy engine start, and averagely needing to pull 3-5 times will send out
Motivation starts.And the startup power needed for the mode of hand pull starting-up is big, not steerable, and certain rush can be produced after starting
Power is hit, easily causes security incident.Another Starting mode is manual cranking, is disclosed in Chinese patent CN104279108A
A kind of manual cranking device of diesel engine, including casing, the rotating shaft that is arranged in casing, the gear wheel being set in rotating shaft are and big
The little gear of gear engagement, for pinning the shift fork of gear wheel, shift fork is connected with handle, and plane is also arranged with the rotating shaft
Scroll spring and ratchet type overrunning clutch.Its course of work is：With hand arm pinion rotation, little gear are driven by rotating
Bull gear drive is driven, the rotating shrinking of plane scroll spring is realized, carries out the energy storage of plane scroll spring, treat plane scroll bullet
After the storage of spring energy is full, the handle being connected with shift fork is stirred, shift fork decontrols gear wheel after handle rotates, plane scroll spring release
Energy, diesel engine starting is driven by ratchet type overrunning clutch in rotating shaft.Hand pulling type can solve the problem that using hand starter
The problem of starter impulsive force is big.
But the manual cranking device of the diesel engine in above-mentioned patent is used, following defects still be present：1. service life is short,
Test through inventor, using above-mentioned manual cranking device, using tens times to 100 times or so, starter will fail, completely
It can not use.2. cost is high, using above-mentioned manual cranking device, using replacing spring is needed after tens times, increase use cost.
3. toggle speed is slow, startup once averagely needs to spend the 10s times.
Utility model content：
The purpose of this utility model is to provide that a kind of toggle speed is fast and the manual cranking device of service life length.
To achieve these goals, the utility model is realized in：A kind of manual cranking device, including rocker arm body,
It is characterized in that：The rocker arm body is connected with speed increasing mechanism, and the speed increasing mechanism is connected with Shuai Kuai mechanisms, the Shuai Kuai mechanisms
Drive the startup cup of engine.The manual cranking device set using aforesaid way can realize the effect of the engine quickly started
Fruit, and service life is grown.
In order to further save space and improve the compactedness of structure, the speed increasing mechanism includes planetary gear.
Wherein, the rocker arm shaft of the rocker arm body is connected with the planetary planet carrier, it is described it is planetary too
Positive tooth is connected with the Shuai Kuai mechanisms.
Further, the Shuai Kuai mechanisms include shell body, are provided with the shell body and get rid of block portion.
Further, the block portion of getting rid of includes roof and bottom wall, is provided between the roof and bottom wall and gets rid of block, in institute
State and be provided with shell body and the opening that to get rid of block corresponding.
In order to further improve the stability of starter, the block that gets rid of is more than two piece.
In order to further realize the lasting sex work for getting rid of block, support column is installed between the roof and the bottom wall,
The block that gets rid of is set on the support column, and is also arranged with limit spring on the support column.
In order to further improve the stability of the starter, set between the shell body bottom surface and the planetary gear
It is equipped with friction pretension force mechanisms.
In order to further improve the compactedness of structure, the speed increasing mechanism, which also has, is arranged on the planetary gear both sides
Top shell and drain pan, are provided with accommodating chamber on the end wall of the top shell, and the friction pretension force mechanisms are arranged on the accommodating chamber
It is interior.
In order to further simplify structure, the friction pretension force mechanisms include upper and lower two panels friction plate and are arranged on two panels
Elastic component between friction plate.
Preferably, the elastic component is corrugated gasket.
Preferably, the friction plate is nylon6 chips.
In order to further realize the reliability of starter, the frictional force of the friction pretension force mechanisms is more than the spacing bullet
The elastic force of spring.
In order to further improve security performance, wind scooper is provided with outside the speed increasing mechanism and Shuai Kuai mechanisms.
In order to further improve the rigidity of rocker arm shaft, the shell being connected with the wind scooper is arranged with the rocker arm shaft
Body, bearing is provided between the housing and the rocker arm shaft.
A kind of mini-tiller for including above-mentioned manual cranking device.
Using mini-tiller of the present utility model and its starter, the beneficial effect that can reach has：
1. service life is grown, can be used more than 30,000 times.
2. cost is low, relative to existing manual cranking device, each starter can be saved during use 10 with
On first expense.
3. toggle speed is fast, being started using starter of the present utility model once averagely only needs to spend the 5s times.
4. starting efficiency is high, starter of the present utility model can reach 100% one-shot.
5. startup power is small needed for, even old man, women, child can also start easily.
6. manual cranking device of the present utility model is compact-sized, take up space small.
Brief description of the drawings：
Fig. 1 is the front view of manual cranking device；
Fig. 2 is the left view of manual cranking device；
Fig. 3 is Fig. 1 A-A sectional views；
Fig. 4 is Fig. 3 zoomed-in view B；
Fig. 5 is Fig. 3 zoomed-in view C；
Fig. 6 is Fig. 1 D-D sectional views.
Label declaration：1. rocking arm；11. recess；2. rocker arm shaft；21. limit shaft；3. speed increasing mechanism；31. planetary gear；32.
Planet carrier；33. sun tooth；34. top shell；35. drain pan；36. accommodating chamber；4. Shuai Kuai mechanisms；41. shell body；42. roof；43. bottom
Portion；44. get rid of block；45. opening；46. support column；47. return spring；5. start cup；51. perforate；6. rub pretension force mechanisms；
61. friction plate；62. elastic component；7. wind scooper；8. housing；9. bearing.
Embodiment：
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings, but the utility model
These embodiments are not limited to, any improvement or replacement on the present embodiment essence spirit, still fall within the utility model
Claim scope claimed.
Embodiment 1：As Figure 1-3, a kind of manual cranking device, including rocking arm 1 and the rocking arm that is connected with the rocking arm 1
Axle 2, the rocker arm shaft 2 are connected with speed increasing mechanism 3, and the speed increasing mechanism 3 is connected with Shuai Kuai mechanisms 4, and the Shuai Kuai mechanisms 4 drive
The startup cup 5 of engine.
It is artificial to shake rocking arm 1 so that rocker arm shaft 2 rotates, the band of rocker arm shaft 2 using the manual cranking device of the present embodiment
Move the speed increasing mechanism 3 to rotate and reach the effect of speedup by speed increasing mechanism 3, then the speed increasing mechanism 3 drives described get rid of
Block mechanism 4 rotates, and the Shuai Kuai mechanisms 4 drive the startup cup 5 of engine to rotate by getting rid of block, described after engine start
Start cup to may proceed to rotate and drive the block that gets rid of to rotate, now artificial shake can stop, and engine has been achieved with starting.
The manual cranking device of the present embodiment can reach the effect of 100% one-shot engine, and toggle speed is fast,
5s is only needed, service life length, can be used 30,000 times.
A kind of mini-tiller of the manual cranking device including the present embodiment.
Embodiment 2：As Figure 1-5, a kind of manual cranking device, including rocking arm 1 and the rocking arm that is connected with the rocking arm 1
Axle 2, the rocker arm shaft 2 are connected with speed increasing mechanism 3, and the speed increasing mechanism 3 is connected 4 with Shuai Kuai mechanisms, and the Shuai Kuai mechanisms 4 drive
The startup cup 5 of engine.
Wherein, the speed increasing mechanism 3 includes planetary gear 31, the planet carrier of the rocker arm shaft 2 and the planetary gear 31
32 connections, the sun tooth 33 of the planetary gear 31 are connected with the Shuai Kuai mechanisms 4.The Shuai Kuai mechanisms 4 include shell body 41,
It is provided with the shell body 41 and gets rid of block portion.The roof 42 and bottom wall for getting rid of block portion and including being arranged in the shell body 41
43, support column 46 is provided between the roof 42 and bottom wall 43, the block 44 that gets rid of is rotatably sleeved on the support column
On 46, it is provided with the shell body 41 and the opening 45 that to get rid of block 44 corresponding.The startup cup 5 is located at described get rid of
In block mechanism 4, and multiple perforates 51 are provided with the perisporium of the startup cup 5, when the block 44 that gets rid of throws away the shell
After body 41, it can be inserted in the perforate 51 and drive the startup cup 5 to rotate.
Wherein, it is described get rid of block 44 can be it is one fast, two pieces, three pieces, four pieces, six pieces etc., but get rid of block 44 in the present embodiment
For two pieces and it is symmetrical arranged, spacing block is further fixedly arranged between the roof 42 and the bottom wall 43, the spacing block will
It is divided into two spaces between the roof 42 and the bottom wall 43, is respectively used to installation two and gets rid of block 44, got rid of described in installation
Return spring 47 is also arranged with the support column of block 44, described one end of return spring 47 and the inwall of the shell body 41 offset,
The outer wall of the other end and the spacing block offsets.The block 44 that gets rid of is limited in the roof 42 and bottom wall by the return spring 47
In 43 spaces formed.The middle part of roof 42 is provided with square through hole, the gear of the square through hole and the sun tooth 33
Axle is fixedly connected, and the empty set of shell body 41 is on the gear shaft of the sun tooth 33.
Using the manual cranking device of the present embodiment, during startup, the rocking arm 1 is shaken manually so that the rocker arm shaft 2 revolves
Turn, the rotation of the rocker arm shaft 2 drives the planet carrier 32 of the planetary gear 31 to rotate, and the rotation of the planet carrier 32 drives
The planet tooth set on planet carrier 32 rotates, and the planet tooth rotates and then drives the tooth of the sun tooth 33 and the sun tooth
Wheel shaft rotates.The gear shaft drives the block portion of getting rid of of the Shuai Kuai mechanisms 4 to rotate so that the block 44 that gets rid of throws away the shell body
41 opening 45, and the perforate 51 of the startup cup 5 is stretched out, drive the startup cup 5 to rotate by the rotation of gear shaft.
The rotation for starting cup 5 further starts the engine.After engine start, hand action can be stopped, now,
The startup cup 5 rotates under the drive of engine, and drives the Shuai Kuai mechanisms 4 to rotate.
Using the manual cranking device of the present embodiment, the engine can be moved 4.5.And the manual cranking of the present embodiment
Device service life is grown, and can be used 3.2 ten thousand times.Cost is low, and relative to existing manual cranking device, each starter can be saved
12 yuan of expense.Starting efficiency is high, can reach 100% one-shot.Required startup power is small.In addition, originally it is the hand of embodiment
Starter, it is compact-sized, take up space small.
A kind of mini-tiller of manual cranking device using the present embodiment.
Embodiment 3：As Figure 1-5, the present embodiment is the improvement carried out on the basis of embodiment 2, in the present embodiment
In, friction pretension force mechanisms 6 are additionally provided between the speed increasing mechanism 3 and the Shuai Kuai mechanisms 4.
Wherein, the speed increasing mechanism 3 also includes the top shell 34 and drain pan 35 for being arranged on the both sides of planetary gear 31, described
Top shell 34, the gear ring of planetary gear 31 and drain pan 35 are connected by screw, and described shake is set in by bearing in the drain pan 35
On arm axle 2, the top shell 34 is set on the gear shaft.It is provided with the end wall of the top shell 34 and accommodates the friction in advance
The accommodating chamber of clamp force mechanism 6.In the present embodiment, the accommodating chamber is set as：In the middle part of the end of the top shell 34
The convex portion extended along the gear shaft is provided with, the convex portion and the outer wall of the shell body of the Shuai Kuai mechanisms 4 offset.Described
Annular accommodating chamber is provided with the end wall of convex portion, the friction pretension force mechanisms 6 are provided with the accommodating chamber, the friction is pre-
Clamp force mechanism 6 offsets with the inwall of the accommodating chamber and the outer wall of the shell body and provides frictional force for the shell body 41,
The frictional force is more than the elastic force of the limit spring.
As a kind of embodiment in the present embodiment, the friction pretension force mechanisms 6 include and the bottom of shell body 41
The friction plate 61 of wall contact, the friction plate 61 contacted with the receiving cavity wall, are set flexible between two panels friction plate 61
Part 62, the elastic component 62 are that the friction plate 61 provides external force, can be offseted with the shell body 41 and accommodating chamber.
In the present embodiment, the elastic component 62 is corrugated gasket, and the friction plate 61 uses nylon friction plate.
Using the manual cranking device of the present embodiment, during startup, the rocking arm 1 is arranged on the rocker arm shaft 2, shaken manually
Move the rocking arm 1 so that the rocker arm shaft 2 rotates, and the rotation of the rocker arm shaft 2 drives the planet carrier 32 of the planetary gear 31
Rotation, the rotation of the planet carrier 32 have driven the planet tooth set on planet carrier 32 to rotate, and the planet tooth rotates and then band
The gear shaft for moving the sun tooth 33 and the sun tooth rotates.The gear shaft drives the block portion of getting rid of of the Shuai Kuai mechanisms 4 to turn
It is dynamic, and the shell body 41 of the Shuai Kuai mechanisms gets rid of block portion production under the frictional force effect of the friction pretension force mechanisms 6 with described
Raw relative motion so that the block 44 that gets rid of throws away the opening 45 of the shell body 41, and stretches out the perforate 51 of the startup cup 5,
The startup cup 5 is driven to rotate by the rotation of gear shaft.The rotation for starting cup 5 is started described in further starting
Machine.After engine start, hand action can be stopped, now, the startup cup 5 rotates under the drive of engine, and
The Shuai Kuai mechanisms 4 are driven to rotate.
Using the manual cranking device of the present embodiment, the engine can be started within the 4s times.And the present embodiment
Manual cranking device service life length, can be used 3.5 ten thousand times.Cost is low, relative to existing manual cranking device, each startup
Device can save 13 yuan of expense.Starting efficiency is high, can reach 100% one-shot.Required startup power is small.In addition, originally it is real
The manual cranking device of example is applied, it is compact-sized, take up space small.
A kind of mini-tiller of manual cranking device using the present embodiment.
Embodiment 4：As shown in figure 1, the present embodiment is the improvement carried out on the basis of embodiment 1-3, in the present embodiment
In, the rocking arm 1 and the rocker arm shaft 2 are split settings, and 1 is provided with radial direction limit shaft 21 on the rocking arm, described spacing
The rocker arm shaft 2 is stretched out at the both ends of axle 21.The rocking arm 1 has the cavity for wrapping up the end of rocker arm shaft 2, in the cavity
Outer is provided with the recess coordinated with the limit shaft both ends.
Using the manual cranking device of the present embodiment, when needing to start mini-tiller, rocking arm 1 is sleeved on the rocker arm shaft 2
Upper carry out manual cranking, startup remove the rocking arm 1 after finishing, and avoid taking the space of mini-tiller, influence to operate.Certainly,
When mini-tiller need not be started, the folding and unfolding of rocking arm 1 can be avoided space-consuming.
A kind of mini-tiller of manual cranking device using the present embodiment.
Embodiment 5：As shown in figure 1, the present embodiment is the improvement carried out on the basis of embodiment 1-4, in the present embodiment
In, it is provided with wind scooper 7 outside the speed increasing mechanism 3 and Shuai Kuai mechanisms 4.The end face of the wind scooper 7 is locked in institute by screw
State on the drain pan 35 of speed increasing mechanism 3.In addition, the housing 8 being connected with the wind scooper 7 is arranged with the rocker arm shaft 2, it is described
Screw directly locks the housing 8, wind scooper 7 and drain pan 35.Axle is additionally provided between the housing 5 and the rocker arm shaft 2
Hold 9.Its structure is：The top surface of the housing is provided with a bearing accommodating chamber, the bearing 9 is arranged on the bearing accommodating chamber
It is interior and be set on the rocker arm shaft 2.
Using the manual cranking device of the present embodiment, it is possible to increase the stability of structure, ensure that starter is in safe ring
In border, do not influenceed by external force.Further, it is possible to improve the intensity of the rocker arm shaft 2, ensure the service life of rocker arm shaft 2.
A kind of mini-tiller of manual cranking device using the present embodiment.
Claims (15)
1. a kind of manual cranking device, including rocker arm body, it is characterised in that：The rocker arm body and speed increasing mechanism（3）Connection, institute
State speed increasing mechanism（3）With Shuai Kuai mechanisms（4）Connection, the Shuai Kuai mechanisms（4）Drive the startup cup of engine（5）；Wherein, it is described
Speed increasing mechanism（3）Including planetary gear（31）；The rocker arm shaft of the rocker arm body（2）With the planetary gear（31）Planet carrier
（32）Connection, the planetary gear（31）Sun tooth（33）With the Shuai Kuai mechanisms（4）Connection；The Shuai Kuai mechanisms（4）Bag
Include shell body（41）, in the shell body（41）Inside it is provided with and gets rid of block portion.
2. manual cranking device as claimed in claim 1, it is characterised in that：The block portion of getting rid of includes roof（42）And bottom wall
（43）, in the roof（42）With bottom wall（43）Between be provided with and get rid of block（44）, in the shell body（41）On be provided with and institute
State and get rid of block（44）Corresponding opening（45）.
3. manual cranking device as claimed in claim 2, it is characterised in that：It is described to get rid of block（44）For more than two pieces.
4. manual cranking device as claimed in claim 2 or claim 3, it is characterised in that：In the roof（42）With the bottom wall（43）
Between be installed with support column（46）, it is described to get rid of block（44）It is set in the support column（46）On, and in the support column（46）On
Also it is arranged with return spring（47）.
5. manual cranking device as claimed in claim 4, it is characterised in that：In the shell body（41）Bottom surface and the planet tooth
Wheel（31）Between be provided with friction pretension force mechanisms（6）.
6. manual cranking device as claimed in claim 5, it is characterised in that：The speed increasing mechanism（3）Also have described in being arranged on
Planetary gear（31）The top shell of both sides（34）And drain pan（35）, in the top shell（34）End wall on be provided with accommodating chamber（36）,
The friction pretension force mechanisms（6）It is arranged on the accommodating chamber（36）It is interior.
7. manual cranking device as claimed in claim 6, it is characterised in that：The friction pretension force mechanisms（6）Including upper and lower two
Piece friction plate（61）And it is arranged on two panels friction plate（61）Between elastic component（62）.
8. manual cranking device as claimed in claim 7, it is characterised in that：The elastic component（62）It is described to rub for corrugated gasket
Pad is nylon friction plate.
9. the manual cranking device as any one of claim 5-8, it is characterised in that：The friction pretension force mechanisms（6）
Frictional force be more than the return spring（47）Elastic force.
10. the manual cranking device as described in claim 1,2,3,5,6,7 or 8, it is characterised in that：In the speed increasing mechanism（3）
And Shuai Kuai mechanisms（4）It is provided with wind scooper outside（7）.
11. manual cranking device as claimed in claim 4, it is characterised in that：In the speed increasing mechanism（3）And Shuai Kuai mechanisms（4）
It is provided with wind scooper outside（7）.
12. manual cranking device as claimed in claim 9, it is characterised in that：In the speed increasing mechanism（3）And Shuai Kuai mechanisms（4）
It is provided with wind scooper outside（7）.
13. manual cranking device as claimed in claim 10, it is characterised in that：In the rocker arm shaft（2）On be arranged with it is described
Wind scooper（7）Connected housing（8）, the housing（8）With the rocker arm shaft（2）Between be provided with bearing（9）.
14. the manual cranking device as described in claim 12 or 13, it is characterised in that：In the rocker arm shaft（2）On be arranged with
The wind scooper（7）Connected housing（8）, the housing（8）With the rocker arm shaft（2）Between be provided with bearing（9）.
A kind of 15. mini-tiller of the manual cranking device including any one of the claims.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720063745.1U CN206681899U (en) | 2017-01-19 | 2017-01-19 | A kind of manual cranking device and mini-tiller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720063745.1U CN206681899U (en) | 2017-01-19 | 2017-01-19 | A kind of manual cranking device and mini-tiller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206681899U true CN206681899U (en) | 2017-11-28 |
Family
ID=60396158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720063745.1U Expired - Fee Related CN206681899U (en) | 2017-01-19 | 2017-01-19 | A kind of manual cranking device and mini-tiller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206681899U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762321A (en) * | 2017-01-19 | 2017-05-31 | 重庆万虎机电有限责任公司 | A kind of manual cranking device and mini-tiller |
-
2017
- 2017-01-19 CN CN201720063745.1U patent/CN206681899U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762321A (en) * | 2017-01-19 | 2017-05-31 | 重庆万虎机电有限责任公司 | A kind of manual cranking device and mini-tiller |
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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: 20171128 Termination date: 20190119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |