CN214063612U - Wet friction plate with novel friction material groove - Google Patents
Wet friction plate with novel friction material groove Download PDFInfo
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- CN214063612U CN214063612U CN202022375337.4U CN202022375337U CN214063612U CN 214063612 U CN214063612 U CN 214063612U CN 202022375337 U CN202022375337 U CN 202022375337U CN 214063612 U CN214063612 U CN 214063612U
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- friction material
- groove
- metal chip
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- 239000002783 friction material Substances 0.000 title claims abstract description 119
- 239000002184 metal Substances 0.000 claims abstract description 39
- 238000001816 cooling Methods 0.000 abstract description 19
- 239000010687 lubricating oil Substances 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 9
- 230000002349 favourable effect Effects 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 5
- 239000003921 oil Substances 0.000 description 4
- 230000001050 lubricating effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000005068 cooling lubricant Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Mechanical Operated Clutches (AREA)
Abstract
The utility model discloses a wet-type friction disc with novel friction material cell type, including metal chip and a plurality of clutch blocks, a plurality of clutch blocks annular adhesion still are equipped with the clutch blocks on the metal chip on the upper and lower two sides at metal chip, and the clutch blocks includes first clutch block and second clutch block, and first clutch block sets up on the metal chip through a tangential angle slope, and first clutch block and second clutch block symmetry set up in clutch blocks both ends. The utility model discloses an add the friction material piece of establishing, be favorable to cooling lubricating oil faster taking away the frictional heat to improve the life of clutch blocks, reduce and pull moment, set up the friction block symmetry originally in friction material piece both sides simultaneously, be favorable to the more flow-through friction block surface of cooling lubricating oil, play the effect that improves frictional behavior, combine these both, make each side reach balanced effect, and improve the NVH performance.
Description
Technical Field
The utility model relates to a wet-type friction disc field, in particular to wet-type friction disc with novel friction material cell type.
Background
In current automotive powertrain systems, the clutch occupies an increasingly important position, which entails transmitting (sending commands to the clutch via accelerator pedal conditions, vehicle speed, current gear information, etc.) a power source (torque and rotational speed) such as an engine or an electric motor to the wheels of the vehicle to drive the vehicle forward, either by engagement (including lugging) or disengagement of the clutch. Among them, through the examination of market excellence and decline over the years, the wet clutch is more and more popular with customers, and is widely used in a stepped automatic transmission with a hydraulic torque converter, a stepped automatic transmission without a hydraulic torque converter, a stepless automatic transmission with a hydraulic torque converter, a stepless automatic transmission without a hydraulic torque converter, a semiautomatic transmission, a wet dual clutch transmission, a single-speed special hybrid transmission, a multi-speed special hybrid transmission, a hybrid P2 structure, a multi-speed pure electric vehicle transmission, and the like (including but not limited to the above).
The friction plate has the key characteristics that friction materials such as powder metallurgy materials, carbon-based materials, paper-based materials, non-woven fabrics materials and the like (including the materials but not limited to the materials) which are bonded on a metal chip of the friction plate in the wet clutch (the friction materials are bonded on the metal chip by special glue) can transmit torque under the mutual matching of lubricating oil, and the friction plate has the key characteristics of good heat resistance, good durability, small space, light weight, small inertia, high efficiency, large torque transmission range, NVH (noise vibration and harshness) improvement and the like, so the friction plate is more and more popular with customers in the market.
Among many factors, the groove design of the friction material plays a key role, and especially plays an important role in heat resistance, durability and improvement of NVH (noise vibration and harshness). In the prior art, friction materials are arranged on a metal chip in an inclined annular mode along a rotation direction, and the design can reduce heat energy generated by friction, but has a large influence on the service life of the friction materials, and the NVH performance of the friction materials is limited.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the utility model provides a novel wet friction piece changes the flow direction of cooling lubricating oil through setting up specific friction piece cell type, can also take away the heat energy that the friction produced when can improve the frictional behavior of cooling lubricating oil on the friction piece.
The utility model provides a technical scheme that above-mentioned problem adopted does: the utility model provides a wet friction disc with novel friction material cell type, includes metal chip and a plurality of clutch blocks, and is a plurality of the clutch blocks annular bonding is on metal chip's upper and lower two sides, its characterized in that: the metal chip is further provided with a friction material block, the friction block comprises a first friction block and a second friction block, the first friction block is obliquely arranged on the metal chip through a first tangential angle, and the first friction block and the second friction block are symmetrically arranged at two ends of the friction material block.
Compared with the prior art, the utility model has the advantages of: through adding the friction material piece of establishing, be favorable to cooling lubricating oil taking away the frictional heat more fast to improve the life of friction piece, reduce and pull the moment, set up the friction piece symmetry originally in friction material piece both sides simultaneously, be favorable to cooling lubricating oil more the flow through friction piece surface, play the effect that improves frictional behavior, combine these two, make all sides reach balanced effect, and improve the NVH performance.
Preferably, at least one first friction block forms a first unit, at least one second friction block forms a second unit, the friction material blocks comprise a first friction material block arranged on the periphery of the metal chip and a second friction material block arranged on the inner ring of the metal chip, the first unit and the second unit are symmetrically arranged at two ends of the first friction material block, the second friction material block is arranged on one side, away from the first friction material block, of the first unit, the second unit, the first friction material block and the second friction material block form a third unit, and at least two third units are arranged on the metal chip. Therefore, the third units are circularly arranged on the metal chip in an array mode, and the balance of the friction performance of the whole friction plate in all directions is facilitated.
Preferably, a first groove is formed between the first friction material block and the adjacent first friction block, a second groove is formed between the first friction material block and the adjacent second friction block, the second friction material block and the adjacent second friction block form a third groove, and the second friction material block and the adjacent first friction block form a fourth groove.
Preferably, the groove widths of the first groove, the second groove, the third groove and the fourth groove are all between 1.2 and 2.5 mm.
Preferably, the first friction material block is a first triangular friction material block, and the second friction material block is a second triangular friction material block; and a fifth groove is formed between the first friction block and the second friction block which are adjacent left and right of the first triangular friction material block, and a sixth groove is formed between the first friction block and the second friction block which are adjacent left and right of the second triangular friction material block.
Preferably, the groove width of the fifth groove and the groove width of the sixth groove are both twice that of the first groove.
Preferably, the first friction material block is a first trapezoidal friction material block, and the second friction material block is a second trapezoidal friction material block.
Preferably, the first trapezoidal friction material block comprises a first trapezoidal block and a second trapezoidal block, a seventh groove is formed between the first trapezoidal block and the second trapezoidal block, the second trapezoidal friction material block comprises a third trapezoidal block and a fourth trapezoidal block, and an eighth groove is formed between the third trapezoidal block and the fourth trapezoidal block.
Preferably, the groove width of the seventh groove and the groove width of the eighth groove are both between 1.2 and 2.5 mm. Thus, the cooling lubricant flows out to the outside of the friction plate by centrifugal force to play a role of cooling and lubricating, or the cooling lubricant flows more on the surface of the friction plate to increase the friction characteristic.
Preferably, a plurality of spline teeth are arranged on the inner circumferential surface of the metal chip. Thus, the whole friction plate is convenient to fix.
Drawings
FIG. 1 is a front view of an embodiment of a wet friction plate with novel friction material groove type of the present invention;
FIG. 2 is a schematic view of the flow direction of lubricating oil in an embodiment of a wet friction plate with a novel friction material groove of the present invention;
FIG. 3 is a front view of a second embodiment of a wet friction plate with a novel friction material groove of the present invention;
fig. 4 is a schematic view showing the flow direction of the lubricating oil in the second embodiment of the wet friction plate with the novel friction material groove of the present invention.
The reference numbers in the figures illustrate: 1. the metal chip comprises a metal chip 2, a friction block 21, a first friction block 22, a second friction block 3, a friction material block 31, a first friction material block 311, a first groove 312, a second groove 313, a fifth groove 32, a second friction material block 321, a third groove 322, a fourth groove 323, a sixth groove 33, a first trapezoid block 331, a seventh groove 34, a second trapezoid block 35, a third trapezoid block 351, an eighth groove 36, a fourth trapezoid block 4, a first unit 5, a second unit 6, a third unit 7, a spline tooth 8 and a friction block groove.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings.
Example one
As shown in fig. 1-2, the present embodiment relates to a wet friction plate with a novel friction material groove, which includes a metal core plate 1 and a plurality of friction blocks 2, wherein the friction blocks 2 are annularly adhered to the upper and lower surfaces of the metal core plate 1. A friction block groove 8 is formed between two adjacent friction blocks 2. In this process, the friction block 2 is bonded to the metal chip 1 by glue.
In the actual use process, the length of the arc at the inner diameter of the friction block 2 is smaller than that of the arc at the outer diameter of the friction block 2. The whole friction plate is of a circular ring structure, and in order to keep the width of the whole friction block groove 8 consistent, the length of the circular arc at the inner diameter of the friction block 2 needs to be designed to be smaller than that of the circular arc at the outer diameter of the friction block 2, so that the temperature of cooling lubricating oil is prevented from changing due to the fact that the width of the friction block groove 8 is inconsistent.
Wherein, the length of the arc at the inner diameter of the friction block 2 is between 30 and 250mm, and the length of the arc at the outer diameter of the friction block 2 is between 30 and 250 mm. The groove width of the friction block groove is 1.2-2.5 mm. The cooling lubricating oil flows out to the outer side of the friction plate through centrifugal force to play a role in cooling and lubricating, or the cooling lubricating oil flows more on the surface of the friction plate to increase the friction characteristic.
In the present embodiment, the metal core plate 1 is further provided with a friction material block 3, and the friction block 2 includes a first friction block 21 and a second friction block 22. The first friction block 21 is obliquely arranged on the metal chip 1 through a first tangential angle α 1, and the first friction block 21 and the second friction block 22 are symmetrically arranged at two ends of the friction material block 3. In this case, due to the symmetrical arrangement, the second friction block 21 is also arranged on the metal core plate 1 through the second tangential angle α 2, and the angle values of the first tangential angle α 1 and the second tangential angle α 2 are the same.
Wherein, the first tangential angle α 1 is an included angle between the friction block 21 and the longitudinal axis of the metal chip 1, and the first tangential angle α 1 is between 0.01 degrees and 89.99 degrees. The cooling lubricating oil can flow out of the friction plate by centrifugal force under the rotation action of the friction plate, and the cooling and lubricating effects are achieved.
In this embodiment, through adding the friction material piece 3 of establishing, be favorable to cooling lubricating oil faster taking away frictional heat to improve the life of friction piece 2, reduce and drag the moment. Simultaneously with 2 symmetry settings in the friction material piece 3 both sides of friction material piece originally, be favorable to cooling more the flow through friction block 2 surfaces of lubricating oil, play the effect that improves frictional behavior, combine these two for each side reaches balanced effect, and improves NVH performance.
The first unit 4 is formed by at least one first friction block 21 and the second unit 5 is formed by at least one second friction block 22. Since the first friction block 21 and the second friction block 22 are symmetrically disposed, the first unit 4 and the second unit 5 are also symmetrically disposed. The first unit 4 and the second unit 5 are a small set of friction blocks.
In the embodiment, the friction material block 3 comprises a first friction material block 31 arranged at the periphery of the metal chip 1 and a second friction material block 32 arranged at the inner ring of the metal chip 1, the first unit 4 and the second unit 5 are symmetrically arranged at two ends of the first friction material block 31, and the second friction material block 32 is arranged at one side of the first unit 4 far away from the first friction material block 31.
The first unit 4, the second unit 5, the first friction material block 31 and the second friction material block 32 constitute a third unit 6, and at least two third units 6 are annularly arranged on the metal core plate 1. A plurality of third units 6 are circularly arranged on the metal chip 1 in an array mode, and the balance of the friction performance of the whole friction plate in all directions is facilitated.
In the present embodiment, a first groove 311 is formed between the first friction material block 31 and the adjacent first friction block 21, a second groove 312 is formed between the first friction material block 31 and the adjacent second friction block 22, a third groove 321 is formed between the second friction material block 32 and the adjacent second friction block 22, and a fourth groove 322 is formed between the second friction material block 32 and the adjacent first friction block 21.
The first groove 311, the second groove 312, the third groove 321 and the fourth groove 322 are oil inlet groove types, and the groove widths of the first groove 311, the second groove 312, the third groove 321 and the fourth groove 322 are all between 1.2 mm and 2.5 mm.
The structure of the friction material block 31 may be various, and in the present embodiment, the friction material block 31 is a triangular friction material block. The first friction material block 31 is a first triangular friction material block, and the second friction material block 32 is a second triangular friction material block; the fifth groove 313 is formed between the first friction block 21 and the second friction block 22 adjacent to the left and right of the first triangular friction material block, and the sixth groove 323 is formed between the first friction block 21 and the second friction block 22 adjacent to the left and right of the second triangular friction material block.
The fifth groove 313 and the sixth groove 323 are both oil outlet groove types, and the groove widths of the fifth groove 313 and the sixth groove 323 are both twice of the groove width of the first groove 311. The design of this width makes things convenient for cooling lubricating oil to flow out to the friction disc outside through centrifugal force, plays the cooling lubrication effect.
In the present embodiment, the metal core 1 has a plurality of spline teeth 5 on its inner circumferential surface. The friction plate is connected with the inner hub and the outer hub of the clutch spline through spline teeth 5 and has friction action with a matching steel sheet so as to transmit torque to transmit the torque and the rotating speed of an engine to a gearbox and finally to transmit the torque and the rotating speed to a wheel to drive the wheel to move forwards or backwards.
Example two
As shown in fig. 3 to 4, the structure of the present embodiment is substantially the same as that of the first embodiment, except that the first friction material blocks 31 are first trapezoidal friction material blocks, and the second friction material blocks 32 are second trapezoidal friction material blocks.
Wherein, the first trapezoid friction material block comprises a first trapezoid 33 and a second trapezoid 34, a seventh groove 331 is formed between the first trapezoid 33 and the second trapezoid 34, the second trapezoid friction material block comprises a third trapezoid 35 and a fourth trapezoid 36, and an eighth groove 351 is formed between the third trapezoid 35 and the fourth trapezoid 36.
The groove widths of seventh and eighth grooves 331 and 351 are each between 1.2-2.5 mm. The seventh groove 331 and the eighth groove 351 can be in the shape of an oil inlet groove or an oil outlet groove.
In this embodiment, the first trapezoidal friction material block may be a unitary trapezoidal block without being split into the first trapezoidal block 33 and the second trapezoidal block 34. The same arrangement can be made for the second trapezoidal friction material block.
The utility model has the advantages that: through adding the friction disc indent in the opposite direction of establishing along friction disc direction of rotation, be favorable to cooling lubricating oil faster taking away the frictional heat to improve the life of clutch blocks, reduce and pull the moment, friction disc indent and clutch blocks recess overlap setting simultaneously, be favorable to cooling lubricating oil more the flow past clutch blocks surface, play the effect that improves frictional behavior, combine these two, make each side reach balanced effect, and improve the NVH performance.
While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (10)
1. The utility model provides a wet friction disc with novel friction material cell type, includes metal chip (1) and a plurality of clutch blocks (2), and is a plurality of clutch blocks (2) annular adhesion is on the upper and lower two sides of metal chip (1), its characterized in that: still be equipped with the friction material piece (3) on metal chip (1), friction block (2) include first friction block (21) and second friction block (22), first friction block (21) set up on metal chip (1) through first tangential angle slope, first friction block (21) and second friction block (22) symmetry set up in friction material piece (3) both ends.
2. A wet friction plate of new friction material groove type as claimed in claim 1, wherein: the metal chip is characterized in that a first unit (4) is formed by at least one first friction block (21), a second unit (5) is formed by at least one second friction block (22), the friction material blocks (3) comprise first friction material blocks (31) arranged on the periphery of a metal chip (1) and second friction material blocks (32) arranged on the inner ring of the metal chip (1), the first unit (4) and the second unit (5) are symmetrically arranged at two ends of the first friction material blocks (31), the second friction material blocks (32) are arranged on one side, away from the first friction material blocks (31), of the first unit (4), the second unit (5), the first friction material blocks (31) and the second friction material blocks (32) form third units (6), and at least two third units (6) are arranged on the metal chip (1).
3. A wet friction plate of new friction material groove type as claimed in claim 2 wherein: a first groove (311) is formed between the first friction material block (31) and the adjacent first friction block (21), a second groove (312) is formed between the first friction material block (31) and the adjacent second friction block (22), a third groove (321) is formed between the second friction material block (32) and the adjacent second friction block (22), and a fourth groove (322) is formed between the second friction material block (32) and the adjacent first friction block (21).
4. A wet friction plate of new friction material groove type as defined in claim 3 wherein: the widths of the first groove (311), the second groove (312), the third groove (321) and the fourth groove (322) are all 1.2-2.5 mm.
5. A wet friction plate of new friction material groove type as defined in claim 3 wherein: the first block of friction material (31) is a first block of triangular friction material and the second block of friction material (32) is a second block of triangular friction material; and a fifth groove (313) is formed between the first friction block (21) and the second friction block (22) which are adjacent to the left and right of the first triangular friction material block, and a sixth groove (323) is formed between the first friction block (21) and the second friction block (22) which are adjacent to the left and right of the second triangular friction material block.
6. A wet friction plate of new friction material groove type as defined in claim 5 wherein: the groove widths of the fifth groove (313) and the sixth groove (323) are two times of the groove width of the first groove (311).
7. A wet friction plate of new friction material groove type as claimed in claim 2 wherein: the first friction material block (31) is a first trapezoidal friction material block, and the second friction material block (32) is a second trapezoidal friction material block.
8. A wet friction plate of new friction material groove type as claimed in claim 7 wherein: the first trapezoidal friction material block comprises a first trapezoidal block (33) and a second trapezoidal block (34), a seventh groove (331) is formed between the first trapezoidal block (33) and the second trapezoidal block (34), the second trapezoidal friction material block comprises a third trapezoidal block (35) and a fourth trapezoidal block (36), and an eighth groove (351) is formed between the third trapezoidal block (35) and the fourth trapezoidal block (36).
9. A wet friction plate of new friction material groove type as defined in claim 8 wherein: the groove widths of the seventh groove (331) and the eighth groove (351) are both between 1.2 mm and 2.5 mm.
10. A wet friction plate of new friction material groove type as claimed in claim 1, wherein: and a plurality of spline teeth (7) are arranged on the inner circumferential surface of the metal chip (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022375337.4U CN214063612U (en) | 2020-10-22 | 2020-10-22 | Wet friction plate with novel friction material groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022375337.4U CN214063612U (en) | 2020-10-22 | 2020-10-22 | Wet friction plate with novel friction material groove |
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| Publication Number | Publication Date |
|---|---|
| CN214063612U true CN214063612U (en) | 2021-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022375337.4U Active CN214063612U (en) | 2020-10-22 | 2020-10-22 | Wet friction plate with novel friction material groove |
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| CN (1) | CN214063612U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324814A (en) * | 2020-10-22 | 2021-02-05 | 博格华纳汽车零部件(宁波)有限公司 | Wet friction plate with novel friction material groove |
-
2020
- 2020-10-22 CN CN202022375337.4U patent/CN214063612U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324814A (en) * | 2020-10-22 | 2021-02-05 | 博格华纳汽车零部件(宁波)有限公司 | Wet friction plate with novel friction material groove |
| CN112324814B (en) * | 2020-10-22 | 2024-10-11 | 博格华纳汽车零部件(宁波)有限公司 | Wet friction plate with novel friction material trough type |
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