CN110159670A - Friction plate - Google Patents
Friction plate Download PDFInfo
- Publication number
- CN110159670A CN110159670A CN201810149858.2A CN201810149858A CN110159670A CN 110159670 A CN110159670 A CN 110159670A CN 201810149858 A CN201810149858 A CN 201810149858A CN 110159670 A CN110159670 A CN 110159670A
- Authority
- CN
- China
- Prior art keywords
- oil groove
- inner circumferential
- friction
- friction plate
- circumferential side
- 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.)
- Pending
Links
Classifications
-
- 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
-
- 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
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
Abstract
The friction plate that a kind of moment of resistance is smaller and cooling performance is promoted is provided.According to friction plate (10), when friction clutch does not engage, it is flowed to from peripheral side oil groove (42) towards the lubricating oil that inner circumferential side flows on the first segment (22) of the first friction material group (20), on the other hand, it is flowed to from inner circumferential side oil groove (44) towards the lubricating oil that peripheral side flows on the third section (32) of the second friction material group (30), therefore, make lubricating oil along axial discharge, the interval between friction plate (10) and matching board can be made to expand and play a role, content by increasing the air of lubricating oil can reduce the moment of resistance.When friction clutch engages, lubricating oil is flowed out by peripheral side connection oil groove (46) or inner circumferential side connection oil groove (48) to the external of friction plate, and therefore, heat exchanger effectiveness improves, and then is able to ascend cooling performance.
Description
Technical field
The present invention relates to a kind of friction plate for friction clutch, which makes the friction being immersed in lubricating oil
Plate (wet friction plate) and matching board are frictionally engaged to transmit torque.
Background technique
Friction clutch is generally configured with multiple matching boards that rotation is interlocked with an axis, and is disposed between matching board simultaneously
The friction plate of rotation is interlocked with another axis.Moreover, piston action and pressing matching board and connecing matching board and friction plate friction
It closes, thus transmits torque between an axis and another axis.Matching board and friction plate are dipped in lubricating oil, are made by lubricating oil
Matching board and friction plate are cooling.Friction material is pasted in the face (two sides) opposite with matching board of friction plate.Moreover, rubbing
The surface of material, friction material are equipped with the oil groove for making lubricating oil flow each other.
It in friction clutch, is failure to actuate in piston, i.e., friction clutch is (namely not operating, non-tight not engage
Gu.) state when, it is generally desirable to torque is not transmitted between matching board and friction plate completely, from without power loss.But
In fact, due to the lubricating oil between matching board and friction plate, the transmitting of torque between matching board and friction plate
Many.This be friction clutch be disengaged condition when, due to rotation matching board and keep lubricating oil circumferentially dragged
While be detached from friction plate oil groove generate lubricating oil shearing resistance caused by.The torque being passed like this is known as
The moment of resistance (or towing torque, drag torque).
It is known to reduce the moment of resistance by increasing the content of air in lubricating oil.Moreover, so far, in order to reduce resistance
Torque has investigated the friction plate for having friction material and oil groove of various shapes.As the example, can be listed below.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2001-221252
Patent document 2: Japanese Unexamined Patent Publication 2005-351296
The friction plate formed by core plate and with the friction material of the two sides face bonding of the core plate is disclosed in patent document 1,
Being formed on the friction material makes a plurality of first oil groove being connected between the interior outer peripheral edge of the friction material and makes adjacent the
The second oil groove that the middle part of one oil groove communicates with each other makes above-mentioned first oil groove relative to the radius for passing through its radial direction inner end
Line is configured to the peripheral, oblique certain angle of the core plate, makes the second oil groove relative to the radius for passing through its radial direction inner end
With the acute angle bigger than the angle of the first oil groove is tilted to direction identical with the first oil groove and is configured.
Patent document 2 discloses a kind of friction plate, is by disk-shaped core plate and multiple sections formed by regulation shape
The friction plate of the friction engagement device of the friction material composition of shape, in the friction plate of the friction engagement device, on the surface of core plate
Upper each friction material of fixation forms oil groove using the gap between each friction material, by the gap between the friction material of section shape
Inner circumferential side and periphery side opening of each oil groove formed in core plate, and middle part has in the rotation side relative to friction plate
In the opposite direction with the shape of convex curvature.
According to the friction plate of patent document 1, the effect of the first oil groove and the second oil groove performance screw pump makes between friction material
While oil between material and clutch disc scrapes, transfer it to the inner circumferential side of friction material or peripheral side, therefore, by rubbing
The moment of resistance caused by the viscosity of oil between plate and clutch plate is substantially reduced, and can be cooled effectively friction material entirety.
According to the friction plate of patent document 2, when friction engagement device discharges, due to being dragged by the relative rotation with matching board
The dynamic lubricating oil imported in oil groove simultaneously makes it to the movement of the center portion of oil groove, and makes it from the center portion of oil groove in axial row
Out, and expand the interval between partition in discharge and play a role and positive disengaged power can be generated, therefore i.e.
Make also reduce the moment of resistance in low speed rotation, fuel economy can be promoted by reducing friction.
But in recent years, due to the requirement of the miniaturization of friction clutch, rubbing when not engaged therefore, it is necessary to clutch
The friction plate that wiping board reduces at a distance from matching board and the moment of resistance can be further decreased.In addition, it is necessary to when engaging clutch
Cooling also further promoted.
Summary of the invention
Problems to be solved by the invention
Therefore, point in view of the above-mentioned problems of the prior art is smaller the purpose of the present invention is to provide a kind of moment of resistance and make
The friction plate that cooling performance is further promoted.
A technical solution to solve project
The present invention solves the above subject by following friction plates, that is,
A kind of friction plate is alternately pasted with the first friction material group and the second friction material in the circumferential direction on the surface of cricoid plate
Group is formed with from the inner circumferential side of the plate towards periphery between the first friction material group and the second friction material group
The oil groove of side connection, which is characterized in that,
The oil groove is formed as follows, and is extended to outer peripheral side by the substantial middle at the inner circumferential end from the surface to outer circumference end
Peripheral side oil groove and inner circumferential side oil groove from substantial middle to inner circumferential side that extend from there is angle and intersect,
The first friction material group is made of first segment and second segment, is had between the first segment and second segment by described big
It causes center to extend towards peripheral side and the peripheral side being connected to the inner circumferential side oil groove is connected to oil groove,
The second friction material group is made of third section and the 4th section, is had between the third section and the 4th section by described big
It causes center to extend towards inner circumferential side and the inner circumferential side being connected to the inner circumferential side oil groove is connected to oil groove.
Invention effect
According to the present invention, friction clutch do not engage and friction plate rotate when, from peripheral side oil groove towards inner circumferential effluent
The lubricating oil entered flows on the first segment of the first friction material group, alternatively, the profit flowed into from inner circumferential side oil groove towards peripheral side
Lubricating oil flows on the third section of the second friction material group.It can make lubricating oil along axial discharge as a result, and make friction plate and cooperation
Interval between plate expands and plays a role, moreover, the content of the air for the lubricating oil that stream comes up increases, thus, it is possible to reduce resistance
Square.
On the other hand, friction clutch engage and friction plate rotate when, from peripheral side oil groove towards inner circumferential side or
The lubricating oil flowed into from inner circumferential side oil groove towards peripheral side is connected to oil groove by peripheral side or inner circumferential side is connected to oil groove and flows to outside
Out, therefore, can be by based on improving the heat exchanger effectiveness of lubrication oil circulation, and then promote cooling performance.
In addition, by being configured to that peripheral side oil groove is made to be connected to oil groove with inner circumferential side to be linearly connected to, or be configured to make
Inner circumferential side oil groove is connected to oil groove with peripheral side to be linearly connected to, and lubricating oil is smoothly flowed out to the external of friction plate, therefore energy
Promote cooling performance further.
In addition, if being configured to be provided in the position opposite with peripheral side oil groove of the first segment of the first friction material group
First store oil recess portion, alternatively, being configured to be arranged in the position opposite with inner circumferential side oil groove of the third section of the second friction material group
Have the second store oil recess portion, then lubricating oil accumulate in the first store oil recess portion perhaps the second store oil recess portion be easy to flow to first segment or
On third section, therefore the moment of resistance can be further decreased.
Detailed description of the invention
Fig. 1 is the partial front elevation view of the friction plate of first embodiment of the invention.
Fig. 2 is the partial front elevation view of the friction plate of second embodiment of the present invention.
Fig. 3 is the partial front elevation view of the friction plate of third embodiment of the present invention.
Symbol description
10~10b friction plate
12 plates
14 surfaces
16 inner circumferential ends
18 outer circumference ends
20~20b the first friction material group
22~22b first segment
24~24b second segment
30~30b the second friction material group
32~32b third section
The 4th section of 34~34b
40 oil grooves
The peripheral side 42~42b oil groove
The inner circumferential side 44~44b oil groove
45 first store oil recess portions
The peripheral side 46~46b is connected to oil groove
47 second store oil recess portions
The inner circumferential side 48~48b is connected to oil groove
Specific embodiment
In the following, referring to attached drawing 1~3, embodiments of the present invention will be described.But the present invention is not restricted to these implements
Mode.In addition, although friction plate of the invention is for friction clutch, since the basic structure of friction clutch is public
Know, therefore omits the explanation of the diagram along with friction clutch itself.
As shown in Figure 1, on the surface of plate 12 14, being alternately pasted with first in the circumferential in friction plate 10 of the invention
Friction material group 20 and the second friction material group 30, the first friction material group 20 are located relatively at the first segment 22 of inner circumferential side by a pair
It is formed with second segment 24 located on the outer side, the second friction material group 30 is located relatively at third section 32 and the position of peripheral side by a pair
The 4th section of 34 composition in inner circumferential side.Although illustration omitted, in more detail, plate 12 is ring-type, the first, second friction material group
20,30 surface 14 is attached in the entire circumferential direction of plate 12.This point is also the same in figures 2-3.In addition, on plate 12, if
It is equipped with for the spline chimeric with the splines such as hub (not shown).
It is formed between the first friction material group 20 and the second friction material group 30 from the inner circumferential side of plate 12 towards periphery
The oil groove 40 of side connection.Oil groove 40 is constituted as follows, that is, by the inner circumferential end 16 from surface 14 to outer circumference end 18 substantially in
Entreat the peripheral side oil groove 42 extended to outer peripheral side and the inner circumferential side oil groove 44 extended from substantial middle to inner circumferential side with angle and
Intersection.In addition, being formed by interior angle by peripheral side oil groove 42 and inner circumferential side oil groove 44 can be 30 °~120 °.In addition, the interior angle
It can not be all angles having the same on friction plate 10.
For the first friction material group 20 and second friction material group 30 adjacent with oil groove 40, inner circumferential side and peripheral side
The configuration relation of section be opposite.As described above, the first friction material group 20 has first segment 22 and second segment 24.First
Connection oil groove 46 in peripheral side is formed between section 22 and second segment 24.Peripheral side is connected to oil groove 46 by the inner circumferential end 16 from surface 14
Extend to the substantial middle of outer circumference end 18 towards peripheral side and is connected to inner circumferential side oil groove 44, peripheral side oil groove 42.In friction plate
In the case where 10, inner circumferential side oil groove 44 is connected to oil groove 46 with peripheral side to be linearly connected to.
On the other hand, the second friction material group 30 has third section 32 and the 4th section 34.In third section 32 and the 4th section 34
Between be formed with inner circumferential side connection oil groove 48.Inner circumferential side is connected to oil groove 48 by the big of the inner circumferential end 16 from surface 14 to outer circumference end 18
It causes center to extend towards inner circumferential side and is connected to inner circumferential side oil groove 44.In the case where friction plate 10, peripheral side oil groove 42 and interior
Side is connected to oil groove 48 also to be linearly connected to.
In addition, the first segment 22 of the first friction material group 20 has the first store oil recess portion 45.The setting of first store oil recess portion 45
In the position opposite with peripheral side oil groove 42.In friction plate 10, the shape of the first store oil recess portion 45 is semicircle, but unlimited
In this, as long as the shape that lubricating oil accumulates.Similarly, in the third section 32 of the second friction material group 30, with inner circumferential
The opposite position of side oil groove 44 is also equipped with the second store oil recess portion 47.
According to the friction plate 10 with above-mentioned composition, do not engaged in friction clutch and friction plate 10 is to the direction of arrow X
When rotation, the first friction material group is flowed to from peripheral side oil groove 42 towards the lubricating oil that inner circumferential side (to the direction of arrow A) flows into
On 20 first segment 22, on the other hand, the lubricating oil flowed into from inner circumferential side oil groove 44 towards peripheral side (to the direction of arrow B)
It flows on the third section 32 of the second friction material group 30, therefore, lubricating oil can be made along axial discharge, and make 10 He of friction plate
Interval between matching board (diagram is omitted) expands and plays a role, moreover, the content of the air for the lubricating oil that stream comes up increases,
Thus, it is possible to reduce the moment of resistance.
In addition, friction clutch engagement and friction plate 10 rotated to the direction of arrow X when, from 42 direction of peripheral side oil groove
The lubricating oil that inner circumferential side flows into passes through periphery together with the flowing of the lubricating oil in the direction of the arrow E flowed into from inner circumferential side oil groove 44
Side connection oil groove 46 flows out in the direction of arrow C.Meanwhile the lubricating oil flowed into from inner circumferential side oil groove 44 towards peripheral side with from outer
The flowing of the lubricating oil in the direction for the arrow F that side oil groove 42 flows into is connected to oil groove 48 along the side of arrow D by inner circumferential side together
To outflow.That is, external outflow of the lubricating oil to friction plate 10, therefore based on improving the heat exchanger effectiveness of lubrication oil circulation, into
And it is able to ascend cooling performance.
Such as friction plate 10 in this way, being connected to oil groove 48 by being configured to peripheral side oil groove 42 with inner circumferential side to be linearly connected to,
Alternatively, being configured to inner circumferential side oil groove 44 is connected to oil groove 46 with peripheral side to be linearly connected to, lubricating oil is smoothly to friction as a result,
The external outflow of plate 10, therefore cooling performance can be promoted.
On the other hand, if being configured to be provided with the first store oil recess portion 45 or the second store oil recess portion 47, friction clutch
When rotating to the direction of arrow X, lubricating oil accumulates in the first store oil recess portion 45 or the second store oil is recessed for device engagement and friction plate 10
Portion 47 is easy to flow on the first segment 22 of the first friction material group 20 or the third section 32 of the second friction material group 30, because
This can further decrease the moment of resistance.
Next, in friction plate 10a shown in Fig. 2, compared with friction plate 10, by peripheral side oil groove 42a and inner circumferential side
It is acute angle that oil groove 44a, which is formed by interior angle,.As friction plate 10a, first segment 22a, the second segment of the first friction material group 20a
The shape of the first segment 32a of 24a and the second friction material group 30a, second segment 34a, can be appropriate according to the composition of oil groove etc.
It changes.It is also able to achieve when friction plate 10a is rotated to X-direction as the composition of friction plate 10a and reduces the moment of resistance and mention
Rise the effect of cooling performance.
In addition, friction plate 10b as shown in Figure 3 is the same, peripheral side oil groove 42b is connected to oil groove 48b and interior with inner circumferential side
Side oil groove 44b, which is connected to oil groove 46b with peripheral side, can also be configured to non-linear shape.As this composition, when friction plate 10b is to X
When direction rotates, it is also able to achieve the effect for reducing the moment of resistance and promoting cooling performance.
42~42b of above explained peripheral side oil groove, inner circumferential side 44~44b of oil groove, peripheral side connection 46~46b of oil groove,
Inner circumferential side is connected to 48~48b of oil groove and the first, second store oil recess portion 45,47, such as can also be by not pasting in corresponding portion
Attached friction material is formed.For example, the removals such as punch process or cutting processing can be imposed to cricoid friction material.In addition,
Friction material, oil groove can be set to two surfaces of plate, can also adjust friction material, oil groove according to the direction of rotation of friction plate
Direction.
According to the present invention, as described above, it is possible to provide a kind of friction plate, lubricating oil is improved in friction clutch engagement
On the other hand expulsion efficiency when friction clutch does not engage, makes lubricating oil along axial discharge, and make friction plate and matching board it
Between interval expand and play a role, in addition, the content increase by the air for the lubricating oil for making stream come up keeps the moment of resistance smaller.
Claims (5)
1. a kind of friction plate is alternately pasted with the first friction material group and the second friction material in the circumferential direction on the surface of cricoid plate
Material group is formed with from the inner circumferential side of the plate outside between the first friction material group and the second friction material group
The oil groove of side connection, the friction plate is characterized in that,
The oil groove is formed as follows, from from the inner circumferential end of the friction engageable surface to the substantial middle of outer circumference end to periphery
The peripheral side oil groove of side extension and the inner circumferential side oil groove extended from substantial middle to inner circumferential side have angle and intersect,
The first friction material group is made of first segment and second segment, is had between the first segment and second segment by described big
It causes center to extend towards peripheral side and the peripheral side being connected to the inner circumferential side oil groove is connected to oil groove,
The second friction material group is made of third section and the 4th section, is had between the third section and the 4th section by described big
It causes center to extend towards inner circumferential side and the inner circumferential side being connected to the inner circumferential side oil groove is connected to oil groove.
2. friction plate according to claim 1, which is characterized in that the peripheral side oil groove is connected to oil groove with the inner circumferential side
To be linearly connected to.
3. friction plate according to claim 1 or 2, which is characterized in that the inner circumferential side oil groove is connected to the peripheral side
Oil groove is to be linearly connected to.
4. friction plate described in any one of claim 1 to 3, which is characterized in that the first segment with it is described outer
Oil groove opposite position in side is provided with the first store oil recess portion.
5. friction plate according to any one of claims 1 to 4, which is characterized in that the third section with it is described interior
Oil groove opposite position in side is provided with the second store oil recess portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810149858.2A CN110159670A (en) | 2018-02-13 | 2018-02-13 | Friction plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810149858.2A CN110159670A (en) | 2018-02-13 | 2018-02-13 | Friction plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110159670A true CN110159670A (en) | 2019-08-23 |
Family
ID=67635522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810149858.2A Pending CN110159670A (en) | 2018-02-13 | 2018-02-13 | Friction plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110159670A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113153942A (en) * | 2020-01-22 | 2021-07-23 | 加特可株式会社 | Wet friction coupling device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11336805A (en) * | 1998-05-22 | 1999-12-07 | Komatsu Ltd | Wet friction disc |
| EP1234991A1 (en) * | 2001-02-14 | 2002-08-28 | Kabushiki Kaisha F.C.C. | Friction plate for wet clutch |
| US20030051967A1 (en) * | 2001-09-20 | 2003-03-20 | Honda Giken Kogyo Kabushiki Kaisha | Wet friction plate assembly |
| CN1576636A (en) * | 2003-07-14 | 2005-02-09 | 博格华纳公司 | Friction material having oil localization slots |
| US20070017773A1 (en) * | 2005-07-20 | 2007-01-25 | Nsk-Warner K.K. | Friction plate for wet-type multi-plate clutch |
| DE102006057112A1 (en) * | 2006-12-05 | 2008-06-19 | Borg Warner Inc., Auburn Hills | Friction ring for clutch or synchromesh clutches has integral oil groove patterns with largest grooves in centre of ring |
| DE102012014811A1 (en) * | 2012-07-26 | 2014-01-30 | Borgwarner Inc. | Friction element e.g. friction plate for e.g. multi-plate clutch, has outer periphery grooves provided between outer edge of friction surface and outer rotating groove, such that inlet point is opened from outer edge to rotating groove |
-
2018
- 2018-02-13 CN CN201810149858.2A patent/CN110159670A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11336805A (en) * | 1998-05-22 | 1999-12-07 | Komatsu Ltd | Wet friction disc |
| EP1234991A1 (en) * | 2001-02-14 | 2002-08-28 | Kabushiki Kaisha F.C.C. | Friction plate for wet clutch |
| US20030051967A1 (en) * | 2001-09-20 | 2003-03-20 | Honda Giken Kogyo Kabushiki Kaisha | Wet friction plate assembly |
| CN1576636A (en) * | 2003-07-14 | 2005-02-09 | 博格华纳公司 | Friction material having oil localization slots |
| US20070017773A1 (en) * | 2005-07-20 | 2007-01-25 | Nsk-Warner K.K. | Friction plate for wet-type multi-plate clutch |
| DE102006057112A1 (en) * | 2006-12-05 | 2008-06-19 | Borg Warner Inc., Auburn Hills | Friction ring for clutch or synchromesh clutches has integral oil groove patterns with largest grooves in centre of ring |
| DE102012014811A1 (en) * | 2012-07-26 | 2014-01-30 | Borgwarner Inc. | Friction element e.g. friction plate for e.g. multi-plate clutch, has outer periphery grooves provided between outer edge of friction surface and outer rotating groove, such that inlet point is opened from outer edge to rotating groove |
| CN103573883A (en) * | 2012-07-26 | 2014-02-12 | 博格华纳公司 | Friction component for device operating in friction connecting method |
Non-Patent Citations (1)
| Title |
|---|
| 贾云海等: "湿式摩擦离合器摩擦片热分析和油槽结构研究", 《汽车技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113153942A (en) * | 2020-01-22 | 2021-07-23 | 加特可株式会社 | Wet friction coupling device |
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Application publication date: 20190823 |
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