CN110259843A - A kind of friction plate for wet clutch - Google Patents
A kind of friction plate for wet clutch Download PDFInfo
- Publication number
- CN110259843A CN110259843A CN201910538132.2A CN201910538132A CN110259843A CN 110259843 A CN110259843 A CN 110259843A CN 201910538132 A CN201910538132 A CN 201910538132A CN 110259843 A CN110259843 A CN 110259843A
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- China
- Prior art keywords
- oil groove
- oil
- friction plate
- fuel
- displaced
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- 239000007788 liquid Substances 0.000 claims abstract description 26
- 230000008859 change Effects 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 162
- 230000008901 benefit Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/60—Clutching elements
- F16D13/64—Clutch-plates; Clutch-lamellae
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/72—Features relating to cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/74—Features relating to lubrication
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The invention patent discloses a kind of friction plate for wet clutch, and the angle by changing oil inlet area and fuel-displaced area's oil groove realizes the quick circulation of oil liquid, can effectively reduce wet clutch drag torque.This patent mainly leads to the change of oil groove angle, so that oil groove oil inlet and fuel-displaced regional perspective β are greater than the angle [alpha] of oil groove intermediate region, angle by changing oil groove oil inlet region and fuel-displaced region makes oil liquid quickly can flow to outer diameter by friction plate internal diameter, accelerate the velocity of liquid assets of oil liquid, the oil film bearing capacity in friction plate gap may make to increase, it is easier to separate friction plate, to reduce drag torque, significantly promotes the heat-sinking capability of wet clutch.The present invention significantly reduces the drag torque of wet clutch, and used design method can be widely used in tank structure of different shapes, has far-reaching significance to the energy-saving application of wet clutch.
Description
Technical field
The present invention relates to the improved methods of a kind of friction plate and Friction Disk Surface oil groove, especially in wet clutch knot
Application in structure.
Background technique
The rapid development of automobile industry at present, more and more high-end vehicles use wet clutch, and wet clutch dissipates
Hot property and drag torque characteristic play an important role the overall performance for promoting vehicle, and wet clutch leans on multiple groups friction
Piece, which is immersed in oil liquid, transmits torque, and the presence of oil liquid reduces the abrasion in transmission process, and the surface of friction plate generally processes one
The oil groove of setting shape makes preferably to radiate in the wet clutch course of work.But wet clutch is in idle running, due to oil liquid
Presence, oil groove area formed oil film, the relative rotation of friction plate and antithesis piece, can to the oil film in oil groove area generate cut accordingly
The effect of cutting, to generate certain torque by oil-shear effect, this torque is drag torque, and drag torque is wet type clutch
The inherent shortcoming of device, the presence of the torque not only reduces the transmission efficiency of wet clutch, and can cause the mill of clutch
The temperature rise of damage and lubricating oil brings very big influence for the overall performance of automobile.
It is relatively simple for wet clutch reduction drag torque at present, the main structure by changing clutch, friction
The structure type and oil groove shape of piece.Wherein publication number CN204493495U discloses a kind of clutch configuration, passes through pushing
Diaphragm spring realizes the separation of friction plate and the transmitting of power；Publication number CN101240818 discloses a kind of with axial round
The elastic-friction piece of curved surface reduces the oil liquid adhesion in separation process by the flexible deformation of friction plate axial direction；Publication number
CN102661331A discloses a kind of high low speed groove friction plate, by processing various forms of groove structures, changes oil liquid
Flowing, reduces the drag torque of low-speed stage wet clutch.At present patent for Friction Disk Surface tank structure parameter compared with
Few, the present invention mainly improves wet clutch performance by changing the structural parameters of oil groove, to solution wet clutch by oil
The problem of drag torque and heat radiation that film shearing generates, is with positive meaning.
Summary of the invention
For drawbacks described above existing for wet clutch in the prior art, the present invention provides a kind of for wet clutch
Friction plate, in the case where the shape of oil groove determines, by changing the angle in oil groove oil inlet region and fuel-displaced region, so that oil liquid
It can rapidly enter in friction plate gap and quickly flow out, the oil film bearing capacity between friction plate increases, and is conducive to the quick of friction plate
Separation, to achieve the purpose that reduce wet clutch drag torque and enhance heat-sinking capability.
The present invention can realize above-mentioned technical purpose by following technological means:
A kind of friction plate for wet clutch, friction plate is annular in shape, and the friction plate is divided into internal diameter and outer diameter, friction plate
Surface is equipped with oil groove, so that surface is divided into sump area and non-sump area, sump area and non-sump area are in alternating point
Cloth, sump area are divided into three parts: oil groove oil inlet region, oil groove intermediate region and the fuel-displaced region of oil groove, including sump area
It is oil groove oil inlet region at diameter, sump area is the fuel-displaced region of oil groove at outer diameter, and the angle of oil groove intermediate region is α, oil groove
Oil inlet and fuel-displaced regional perspective are β, reach oil liquid quickly through friction plate table by changing oil groove oil inlet and fuel-displaced regional perspective
The effect in face, so that since the drag torque that oil film generates reduces.
Preferably, the change of Friction Disk Surface oil groove is mainly the change of oil groove angle, oil groove oil inlet and fuel-displaced area
Domain angle beta is greater than the angle [alpha] of oil groove intermediate region.
Preferably, the three parts radical length of oil groove is equal, oil groove oil inlet regional perspective and fuel-displaced regional perspective phase
Deng for β, oil groove is all to oil groove intermediate region and oil groove intermediate region to the transition in the fuel-displaced region of oil groove from oil inlet regional perspective β
It smoothly transits.
Preferably, the angle ratio of the angle [alpha] of oil groove intermediate region and oil groove oil inlet and fuel-displaced regional perspective β are as follows: 1:
1.2-2。
Preferably, the angle c of oil groove intermediate region is 25-40 °, oil groove oil inlet and fuel-displaced regional perspective β model
Enclose is 30-60 °.
Preferably, the oil groove is a variety of knots such as radial oil groove, inclination oil groove, helical oil groove and compound oil groove
Structure.
Beneficial effects of the present invention: (1) of the present invention a kind of friction of wet clutch, by changing oil groove oil inlet
The angle in region and fuel-displaced region makes oil liquid quickly can flow to outer diameter by friction plate internal diameter, accelerates the velocity of liquid assets of oil liquid, increases
Strong heat-sinking capability promotes the comprehensive performance of wet clutch；(2) present invention is easy using the angle for changing tank structure, oil liquid
It by friction plate gap, so that the oil film bearing capacity in friction plate gap increases, is easy to separate friction plate, to reduce band row
Torque；(3) structure of the invention designs advantages of simple, at low cost, can simulate the course of work by establishing simulation model, discovery passes through
Change the angle in oil groove oil inlet region and fuel-displaced region, oil liquid velocity of liquid assets is accelerated, and heat-sinking capability is enhanced, and promotes wet clutch
Comprehensive performance, the angle c of oil groove intermediate region is 25-40 °, and oil groove oil inlet and fuel-displaced regional perspective β range are 30-
60 °, the angle [alpha] and the angle ratio of oil groove oil inlet and fuel-displaced regional perspective β of oil groove intermediate region are as follows: 1:1.2-2, by effectively more
Secondary design and experiment, above-mentioned scope limitation, can oil liquid outer diameter more quickly can be flowed to by friction plate internal diameter, accelerate oil liquid
Velocity of liquid assets enhances heat-sinking capability, and oil liquid is more easily by friction plate gap, so that the oil film bearing capacity in friction plate gap adds
Greatly, it is easier to separate friction plate, to reduce drag torque.
Detailed description of the invention
Fig. 1 is a kind of friction plate structure schematic diagram for wet clutch；
Fig. 2 is the partial enlarged view of the part I in Fig. 1.
Wherein: the non-sump area 1-；The sump area 2-；The fuel-displaced region of 3- oil groove；4- oil groove oil inlet region；In r- friction plate
Diameter；R- friction plate outer diameter；Alpha-oil slot intermediate region angle；The oil inlet of beta-oil slot and fuel-displaced regional perspective.
Specific embodiment
Explanation that the present invention will be further explained with reference to the accompanying drawings and examples.
Embodiment one: a kind of friction plate for wet clutch, it is characterised in that: the friction plate is annular in shape, institute
It states friction plate and is divided into internal diameter and outer diameter, Friction Disk Surface is equipped with oil groove, so that surface is divided into sump area 2 and non-sump area
1, sump area 2 and non-sump area 1 are in being alternately distributed, and sump area 2 is divided into three parts: in oil groove oil inlet region 4, oil groove
Between region and the fuel-displaced region 3 of oil groove, sump area 2 inner radius be oil groove oil inlet region 4, sump area 2 at outer diameter for oil
The fuel-displaced region 3 of slot, the angle of oil groove intermediate region are α, and oil groove oil inlet and fuel-displaced regional perspective are β, by changing oil groove oil inlet
Achieve the effect that oil liquid quickly through Friction Disk Surface, so that due to the drag torque of oil film generation with fuel-displaced regional perspective
Reduce.
Embodiment two: the change of Friction Disk Surface oil groove is mainly the change of oil groove angle, oil groove oil inlet and fuel-displaced region
Angle beta is greater than the angle [alpha] of oil groove intermediate region, remaining technical solution is the same as example 1.
Embodiment three: the three parts radical length of oil groove is equal, and oil groove oil inlet regional perspective is equal with fuel-displaced regional perspective
For β, oil groove is all light from oil inlet regional perspective β to the transition in oil groove intermediate region and oil groove intermediate region to the fuel-displaced region of oil groove
It slips over and crosses, remaining technical solution is identical as embodiment one to two.
Example IV: the angle [alpha] of oil groove intermediate region and the angle ratio of oil groove oil inlet and fuel-displaced regional perspective β are as follows: 1:
1.2-2, remaining technical solution are identical as embodiment one to three.
Embodiment five: the angle c of oil groove intermediate region is 25-40 °, oil groove oil inlet and fuel-displaced regional perspective β range
It is 30-60 °, remaining technical solution is identical as embodiment one to four.
Embodiment six: the oil groove is the various structures such as radial oil groove, inclination oil groove, helical oil groove and compound oil groove,
Remaining technical solution is identical as embodiment one to five.
The present invention changes the oil filling capacity in oil groove area by changing the structural parameters of Friction Disk Surface oil groove, so that oil film
Coverage rate reduces, to reduce tep reel torque.The oil groove shape that the present invention uses is radial straight oil groove, for the oil of other shapes
Slot structure can also change the oil filling capacity in oil groove area by changing corresponding tank structure parameter, make the whole of wet clutch
Body performance gets a promotion.
Oil groove form is radial oil groove, and friction plate is annular in shape, is divided into internal diameter and outer diameter, Friction Disk Surface oil groove, surface
It is divided into sump area 2 and non-sump area 1, sump area 2 and non-sump area 1 are alternately distributed, and sump area 2 is in inner radius
Oil groove oil inlet region 4, sump area 2 are the fuel-displaced region 3 of oil groove at outer diameter, and sump area 2 is divided into three parts: oil groove oil inlet
Region 4, oil groove intermediate region and the fuel-displaced region 3 of oil groove, the angle of oil groove intermediate region are α, oil groove oil inlet and fuel-displaced region angle
Degree is β, and the change of Friction Disk Surface oil groove is mainly the change of oil groove angle, and oil groove oil inlet and fuel-displaced regional perspective β are greater than oil
The three parts radical length of the angle [alpha] of slot intermediate region, oil groove is equal, and oil groove oil inlet regional perspective is equal with fuel-displaced regional perspective
For β, oil groove is all light from oil inlet regional perspective β to the transition in oil groove intermediate region and oil groove intermediate region to the fuel-displaced region of oil groove
It slips over and crosses, it is outer that the angle by changing oil groove oil inlet region and fuel-displaced region flow to oil liquid can quickly by friction plate internal diameter
Diameter accelerates the velocity of liquid assets of oil liquid, and the oil film bearing capacity in friction plate gap may make to increase, it is easier to and friction plate is separated,
To reduce drag torque, enhances heat-sinking capability, promote the comprehensive performance of wet clutch.
Above content is example and explanation of the invention, but does not mean that the obtainable advantage of the present invention is so limited, all
It is wherein one the advantages of may being realized in simple transformation, and/or some embodiments to structure in practice process of the present invention
It is a or it is multiple within the scope of protection of this application.
Claims (6)
1. a kind of friction plate for wet clutch, it is characterised in that: friction plate is annular in shape, and the friction plate is divided into internal diameter
And outer diameter, Friction Disk Surface is equipped with oil groove, so that surface is divided into sump area and non-sump area, sump area and non-oil groove
Region is in being alternately distributed, and sump area is divided into three parts: oil groove oil inlet region, oil groove intermediate region and the fuel-displaced region of oil groove,
Sump area is oil groove oil inlet region in inner radius, and sump area is the fuel-displaced region of oil groove at outer diameter, oil groove intermediate region
Angle is α, and oil groove oil inlet and fuel-displaced regional perspective are β, and it is quick to reach oil liquid by changing oil groove oil inlet with fuel-displaced regional perspective
By the effect of Friction Disk Surface, so that since the drag torque that oil film generates reduces.
2. a kind of friction plate for wet clutch according to claim 1, it is characterised in that: Friction Disk Surface oil
The change of slot is mainly the change of oil groove angle, and oil groove oil inlet and fuel-displaced regional perspective β are greater than the angle [alpha] of oil groove intermediate region.
3. a kind of friction plate for wet clutch according to claim 2, it is characterised in that: the three parts of oil groove
Radical length is equal, and oil groove oil inlet regional perspective equal with fuel-displaced regional perspective is β, and oil groove is from oil inlet regional perspective β to oil groove
The transition in intermediate region and oil groove intermediate region to the fuel-displaced region of oil groove is all to smoothly transit.
4. a kind of friction plate for wet clutch according to claim 1, it is characterised in that: oil groove intermediate region
Angle [alpha] and oil groove oil inlet and fuel-displaced regional perspective β angle ratio are as follows: 1:1.2-2.
5. a kind of friction plate for wet clutch according to claim 1, it is characterised in that: oil groove intermediate region
Angle c be 25-40 °, oil groove oil inlet and fuel-displaced regional perspective β range are 30-60 °.
6. a kind of friction plate for wet clutch according to claim 1, which is characterized in that the oil groove is diameter
To various structures such as oil groove, inclination oil groove, helical oil groove and compound oil grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910538132.2A CN110259843A (en) | 2019-06-20 | 2019-06-20 | A kind of friction plate for wet clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910538132.2A CN110259843A (en) | 2019-06-20 | 2019-06-20 | A kind of friction plate for wet clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110259843A true CN110259843A (en) | 2019-09-20 |
Family
ID=67920055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910538132.2A Pending CN110259843A (en) | 2019-06-20 | 2019-06-20 | A kind of friction plate for wet clutch |
Country Status (1)
| Country | Link |
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| CN (1) | CN110259843A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080223686A1 (en) * | 2007-03-16 | 2008-09-18 | Hiroyuki Kinpara | Wet type friction plate |
| US20170350456A1 (en) * | 2016-06-01 | 2017-12-07 | Dynax Corporation | Friction plate |
| WO2018235443A1 (en) * | 2017-06-23 | 2018-12-27 | 株式会社エフ・シー・シー | Wet friction plate |
| CN208431305U (en) * | 2018-03-13 | 2019-01-25 | 无锡林泰克斯汽车部件有限公司 | Friction plate and clutch |
| CN210661108U (en) * | 2019-06-20 | 2020-06-02 | 泰州三羊重型机械有限公司 | Friction plate for wet clutch |
-
2019
- 2019-06-20 CN CN201910538132.2A patent/CN110259843A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080223686A1 (en) * | 2007-03-16 | 2008-09-18 | Hiroyuki Kinpara | Wet type friction plate |
| US20170350456A1 (en) * | 2016-06-01 | 2017-12-07 | Dynax Corporation | Friction plate |
| WO2018235443A1 (en) * | 2017-06-23 | 2018-12-27 | 株式会社エフ・シー・シー | Wet friction plate |
| CN110741172A (en) * | 2017-06-23 | 2020-01-31 | 株式会社F.C.C. | Wet friction plate |
| CN208431305U (en) * | 2018-03-13 | 2019-01-25 | 无锡林泰克斯汽车部件有限公司 | Friction plate and clutch |
| CN210661108U (en) * | 2019-06-20 | 2020-06-02 | 泰州三羊重型机械有限公司 | Friction plate for wet clutch |
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