CN204186836U - A kind of miniature multidisc clutch - Google Patents
A kind of miniature multidisc clutch Download PDFInfo
- Publication number
- CN204186836U CN204186836U CN201420532742.4U CN201420532742U CN204186836U CN 204186836 U CN204186836 U CN 204186836U CN 201420532742 U CN201420532742 U CN 201420532742U CN 204186836 U CN204186836 U CN 204186836U
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- Prior art keywords
- clutch
- spline
- free
- disc
- outside friction
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- Expired - Fee Related
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- 238000000034 method Methods 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 15
- 230000000694 effects Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001131 transforming Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 108091006028 chimera Proteins 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001737 promoting Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
Abstract
The utility model patent discloses miniature multidisc clutch to replace synchronizer on AMT as speed change unit, and being rubbed by the cunning of outside friction disc in Miniature clutch realizes gear smooth transition.Adopt miniature multidisc clutch to replace synchronizer, can greatly simplify shift of transmission system architecture, simplify gearshift control logic, there is work safety, the reliably feature such as with low cost, DCT(Dual Clutch Transmission can be widely used in), in AMT system.
Description
Technical field
The utility model patent relates to the miniature multidisc clutch of the one that automatic transmission uses.The joint element of active part and secondary part adopts multi-disc friction sheet.This clutch assembly carrys out transferring power by friction plate.Passive fluted disc and outside friction disc are by spline joint, and free-sliding spline and inner attrition piece pass through spline joint.Free-sliding spline and output shaft are fixed together.Inner attrition piece and outside friction disc can realize relative movement under the driving of piston.Under separated state, inner attrition piece and outside friction disc relatively rotate, unpowered output between passive fluted disc and output shaft.When needs Power output, the oil pressure of hydraulic circuit raises, and forces piston to left movement, and interior outside friction disc contacts with each other compression, and power is passed to output shaft through passive fluted disc, outside friction disc, inner attrition piece, free-sliding spline by power.
Background technique
What extensively adopt on automobile at present is the friction clutch (referred to as friction clutch) using spring compression.The torque that motor sends, by the rubbing action of flywheel and platen and driven disc surface of contact, passes to driven disc.When driver's let slip the clutch, by the transmission of parts, move after making diaphragm spring large end band dynamic pressure dish, now secondary part is separated with active part.
Friction clutch is can by need of work at any time by mechanical parts that driving shaft engages with driven shaft or is separated.Can be used to operate machine the starting of transmission system, stopping, speed change and commutation etc.Clutch is of a great variety, can be divided into according to job specification: 1. control type clutch.Its method of operating have machinery, electromagnetism, pneumatic with fluid power etc., as embedded clutch (the chimeric transmitting torque by tooth, tooth or key), friction clutch (utilizing frictional force transmitting torque), air flexible clutch (clutch engaging with the breathing of pressurized air tire to handle friction member or be separated), electromagnetic slip clutches (produce magnetic force with exciting curent and carry out transmitting torque), magnetic powder clutch (make magnetic magnetize with field coil, form magnetic chain with transmitting torque).2. automatic type clutch.Automatically complete with simple mechanical means and engage or separately action, (when transmitting torque reaches certain value, transmission shaft can be separated automatically to be divided into again safety clutch, thus prevent overload, strength member in machine is avoided to damage), centrifugal clutch is (when the rotating speed of driving shaft reaches certain value, make to connect voluntarily between transmission shaft due to the interaction energy of centrifugal force or can be separated voluntarily after exceeding a certain rotating speed), directional clutch (is free wheel device again, utilize engagement or the roller of ratchet-ratchet, the wedge action unidirectional delivery motion of voussoir or moment of torsion, when driving shaft reversion or rotating speed are lower than driven shaft, clutch just automatically separately).
The medium-to-high grade vehicle shifting system in market generally uses automatic gear shifting system, DCT(double-clutch automatic gearbox) owing to adopting double clutch construction, two clutch exchange work can realize gearshift steadily.But DCT still adopt synchronizer to realize transforming gear, adopt hydraulic pressure or pneumatic method control synchro work make it to realize from upper gear separations, presynchronization, synchronously, the process such as combination, gearshift procedure is selected to control very complicated, key technology is abroad in staff, and manufacture, the features such as maintenance cost is high, complex structure.The automation of AMT(manual transmission) be the simplest automatic transmission of one, have that cost is low, cost performance high.But the shift shock of AMT constrains the popularization of this technology.The utility model patent produces to solve the selecting shifting shock problem of AMT.In AMT system, adopt a kind of miniature multidisc clutch to replace synchronizer greatly can reduce the difficulty of control to the conversion realizing gear, transforming gear can be realized steady, with low cost, the features such as reliable performance.As adopted this miniature multidisc clutch can greatly simplify current Control system architecture on automatic transmission AMT, property of automatic shft is selected greatly to improve.
Summary of the invention
The technological scheme that the utility model patent adopts is: the active part of clutch and secondary part carry out transmitting torque by the end-face friction of friction plate, can be separated between interior outside friction disc, also can engage gradually, mutually rotate between outside friction disc in allowing in cohesive process.Oil circuit pressurization is carried out when oil pump obtains instruction, pressure oil makes piston advances forward, pressing friction sheet, outside friction disc is connected with passive fluted disc, inner attrition piece is connected with free-sliding spline, and free-sliding spline is matched with output shaft by spline, and passive fluted disc is matched with output shaft by needle bearing, there is O RunddichtringO at piston two ends, ensure that the fluid in pistons work chamber does not leak.System medi-spring plays buffer function when friction plate combines, and ought friction plate needed to be separated, and the oil pressure pressure release in oil circuit, interior outside friction disc can realize being separated under spring force.
beneficial effect
The beneficial effect of the utility model patent is, adopt miniature multidisc clutch greatly can simplify gear selecting, gear change system structure to replace synchronizer, being rubbed by the cunning of interior outside friction disc to realize the smooth transition of Transmission gear.Particularly in AMT system as adopt two miniature multidisc clutches replace synchronizer, rubbed by the cunning between clutch, just can realize good shift quality.Solve existing market to AMT shift shock and the complaint of gearshift poor performance.Realize the automatic transmission of a kind of low cost, high shift property.Simultaneity factor has the features such as volume is little, maintenance is convenient, system reliability is strong, low cost of manufacture, has wide market prospects.
Accompanying drawing explanation
The structure of the utility model patent is further illustrated below in conjunction with accompanying drawing.
1. jump ring, 2. assembly oil circuit 3. output shaft bearing, 4. needle bearing, 5. assembly oil cylinder cover, 6. piston, 7. output shaft, 8. rubber o-ring, 9. assembly spring, 10. rubber o-ring, 11. outside friction discs, 12. inner attrition pieces, 13. packing rings, 14. free-sliding splines, 15. passive fluted discs, 16. output shaft guide pin bushings.
Embodiment
Introduce by reference to the accompanying drawings: oil circuit mouth (2) Bonding pressure oil pipe line, pressure oil imports into thus.The right of pressure oil action oil cylinder, the piston (6) promoting assembly is moved to the left, impel outside friction disc (11) and inner attrition piece (12) end contact, inner attrition piece (12) and free-sliding spline (14) pass through splined, free-sliding spline (14) is affixed with output shaft (7) again, outside friction disc (11) and passive fluted disc (15) by together with spline joint, passive fluted disc (15) with by rolling bearing (4) empty set on output shaft (7).When not needing power transmission, mutually slide between passive fluted disc (15) and output shaft, the power on passive fluted disc can not be transferred to output shaft.When needs power transmission, interior outside friction disc end contact, power passes to output shaft (7) by passive fluted disc (15), outside friction disc (11), inner attrition piece (12), free-sliding spline (14).The transmission of power circuit that such formation one is complete.Output bearing (3) is installed with and covers at assembly, and output shaft guide pin bushing (16) is installed with on casing, and oil cylinder cover (5) plays cylinder seal effect.Assembly spring (9) in conjunction with time play buffer function, simultaneously stored energy, when not needing transferring power, promotes oil cylinder to the right, interior outside friction disc is separated.
Claims (8)
1. a miniature multidisc clutch comprises: passive fluted disc, outside friction disc, inner attrition piece, free-sliding spline, needle bearing, output shaft, spring; This clutch assembly carrys out transferring power by friction plate; Passive fluted disc and outside friction disc are by spline joint, and free-sliding spline and inner attrition piece pass through spline joint; Free-sliding spline and output shaft are fixed together by spline; Inner attrition piece and outside friction disc can realize relative movement under the driving of piston; Under separated state, inner attrition piece and outside friction disc relatively rotate, unpowered output between passive fluted disc and output shaft; When needs Power output, the oil pressure of hydraulic circuit raises, and forces piston to left movement, and interior outside friction disc contacts with each other compression, and power is passed to output shaft through passive fluted disc, outside friction disc, inner attrition piece, free-sliding spline by power.
2. clutch as claimed in claim 1, is characterized in that oil cylinder piston is promoted by external force oil pressure, its advantage thrust-neutral, and manipulation is convenient.
3. clutch as claimed in claim 1 is characterized in that oil cylinder is promoted by oil pressure, outside friction disc in oil cylinder extruding; Outside friction disc and passive fluted disc adopt spline joint, can left and right relative movement between outside friction disc and passive fluted disc.
4. clutch as claimed in claim 1, inner attrition piece adopts spline fitted mutually with free-sliding spline, can left and right relative movement between inner attrition piece and free-sliding spline.
5. clutch as claimed in claim 1, adopts spline fitted between free-sliding spline and output shaft, can not relative movement between free-sliding spline and output shaft.
6. clutch as claimed in claim 1, output shaft is matched by rolling bearing with passive fluted disc; When friction plate is separated, can relatively rotate both it, can not transferring power.
7. clutch as claimed in claim 1, the inside and outside of its oil cylinder all adopts O type rubber seal rings for seal, and pressure oil is not leaked.
8. clutch as claimed in claim 1, spring plays buffer function in friction plate engaging process; When not needing transferring power, oil cylinder resets under the action of the spring, and interior outside friction disc is separated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420532742.4U CN204186836U (en) | 2014-09-17 | 2014-09-17 | A kind of miniature multidisc clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420532742.4U CN204186836U (en) | 2014-09-17 | 2014-09-17 | A kind of miniature multidisc clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204186836U true CN204186836U (en) | 2015-03-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420532742.4U Expired - Fee Related CN204186836U (en) | 2014-09-17 | 2014-09-17 | A kind of miniature multidisc clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204186836U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235225A (en) * | 2014-09-17 | 2014-12-24 | 宁波捷龙动力科技有限公司 | Miniature multiple-disc clutch |
| CN110725867A (en) * | 2019-10-15 | 2020-01-24 | 宁波上中下自动变速器有限公司 | Synchronizer, synchronizer speed regulation system and vehicle |
-
2014
- 2014-09-17 CN CN201420532742.4U patent/CN204186836U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235225A (en) * | 2014-09-17 | 2014-12-24 | 宁波捷龙动力科技有限公司 | Miniature multiple-disc clutch |
| CN110725867A (en) * | 2019-10-15 | 2020-01-24 | 宁波上中下自动变速器有限公司 | Synchronizer, synchronizer speed regulation system and vehicle |
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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: 20150304 Termination date: 20160917 |