CN211820458U - Friction plate and clutch - Google Patents
Friction plate and clutch Download PDFInfo
- Publication number
- CN211820458U CN211820458U CN201922450028.6U CN201922450028U CN211820458U CN 211820458 U CN211820458 U CN 211820458U CN 201922450028 U CN201922450028 U CN 201922450028U CN 211820458 U CN211820458 U CN 211820458U
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- friction
- grooves
- oil
- annular base
- diameter side
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- 239000000758 substrate Substances 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 125000004122 cyclic group Chemical group 0.000 abstract description 5
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000005034 decoration Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- Mechanical Operated Clutches (AREA)
Abstract
A friction plate and clutch, the friction plate includes an annular base having a first surface and a second surface; the friction blocks are at least arranged on one surface of the first surface and the second surface, oil grooves are formed between every two adjacent friction blocks, each friction block is provided with at least two first grooves and at least one second groove, the openings of the first grooves face the inner diameter side of the annular base body, the openings of the second grooves face the outer diameter side of the annular base body, and the number of the first grooves is larger than that of the second grooves. Through setting up two at least first recesses, the opening of first recess is towards the internal diameter side of cyclic annular base member, and when oil passed through the oil groove flow direction external diameter side from the internal diameter side of annular base plate, two at least second recesses can carry more oil incidentally for the area of contact of oil and friction disc is bigger, and the heat that the friction disc produced is taken away to oil can be faster, improves the heat-sinking capability of friction disc, through at least one second recess, has reduced the drag torque of clutch.
Description
Technical Field
The utility model relates to an automobile clutch technical field especially relates to a friction disc and clutch.
Background
The clutch is positioned in a flywheel shell between the engine and the gearbox, the clutch assembly is fixed on the rear plane of the flywheel by screws, and the output shaft of the clutch is the input shaft of the gearbox. During the running of the automobile, the driver can press or release the clutch pedal according to the requirement, so that the engine and the gearbox are temporarily separated and gradually jointed, and the power input by the engine to the gearbox is cut off or transmitted.
The clutch generally includes a wet clutch and a dry-wet clutch, and the wet clutch is widely used due to the advantages of simple operation, low failure rate, good heat dissipation, long service life and the like. In a conventional wet clutch, friction plates and steel plates are alternately arranged between a hub and a bush of the clutch, and engagement and disengagement of the clutch are performed by pressing and releasing a clutch piston.
In recent years, there has been an increasing demand for low fuel consumption of automobiles, and in an automatic transmission, in order to reduce power loss when a clutch is not engaged, it has been increasingly demanded to reduce drag torque between a friction plate and a steel plate.
However, in recent years, in order to improve the fuel efficiency and improve the shift response for the purpose of improving the power performance, there is a tendency that: the clearance between the friction plate and the steel sheet is smaller than that of the conventional one, and at the time of idling, the drag torque generated by the oil film interposed therebetween is increased, and the heat radiation performance of the friction plate is still to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is how to improve the heat-sinking capability of friction disc and reduce the drag torque of clutch.
The utility model provides a friction disc, include:
an annular substrate comprising a first surface and a second surface opposite the first surface;
the friction blocks are at least arranged on one surface of the first surface and the second surface, oil grooves are formed between every two adjacent friction blocks, each friction block is provided with at least two first grooves and at least one second groove, the openings of the first grooves face the inner diameter side of the annular base body, the openings of the second grooves face the outer diameter side of the annular base body, and the number of the first grooves is larger than that of the second grooves.
Optionally, the number of the first grooves in each friction block is two, the number of the second grooves is one, and the second grooves are located between the two first grooves.
Optionally, the first grooves and the second grooves in each friction block are alternately arranged.
Optionally, the annular base body is annular.
Optionally, the annular base body has a plurality of radial teeth on an inner side thereof.
Optionally, the first surface and the second surface are both provided with friction blocks.
The utility model also provides a clutch, include:
the friction plate and the steel sheet are arranged at intervals.
Compared with the prior art, the utility model discloses technical scheme has following advantage:
the friction plate of the utility model comprises an annular base body, wherein the annular base body comprises a first surface and a second surface opposite to the first surface; the friction blocks are at least arranged on one surface of the first surface and the second surface, oil grooves are formed between every two adjacent friction blocks, each friction block is provided with at least two first grooves and at least one second groove, the openings of the first grooves face the inner diameter side of the annular base body, the openings of the second grooves face the outer diameter side of the annular base body, and the number of the first grooves is larger than that of the second grooves. Each clutch block is through setting up two at least first recesses, the opening of first recess is towards the internal diameter side of cyclic annular base member, when oil passes through the oil groove flow direction external diameter side from the internal diameter side of annular base plate, two at least second recesses can carry more oil by oneself for the area of contact of oil and friction disc is bigger, and the heat that the friction disc produced is taken away to oil can be faster, improves the heat-sinking capability of friction disc, the at least one second recess of each clutch block, the opening of second recess is towards the external diameter side of cyclic annular base member, makes the oil that the oil in on the clutch block and the oil groove can be smooth arrange to the external diameter side of annular base member, has reduced the oil film coverage rate, thereby has reduced the drag torque of clutch.
Furthermore, the number of the first grooves in each friction block is two, the number of the second grooves is one, and the second grooves are located between the two first grooves, so that the friction performance of the friction blocks is guaranteed while the heat dissipation capacity of the friction plate is improved and the drag torque of the clutch is reduced.
Drawings
Fig. 1 is a schematic structural view of a friction plate according to an embodiment of the present invention.
Detailed Description
As described in the background art, the clearance between the friction plate and the steel sheet is smaller than that of the conventional art, the drag torque generated by the oil film interposed therebetween is increased at the time of idling, and the heat radiation performance of the friction plate is still to be improved.
To this end, the present invention provides a friction plate and a clutch, the friction plate comprising an annular base body comprising a first surface and a second surface opposite to the first surface; the friction blocks are at least arranged on one surface of the first surface and the second surface, oil grooves are formed between every two adjacent friction blocks, each friction block is provided with at least two first grooves and at least one second groove, the openings of the first grooves face the inner diameter side of the annular base body, the openings of the second grooves face the outer diameter side of the annular base body, and the number of the first grooves is larger than that of the second grooves. Each clutch block is through setting up two at least first recesses, the opening of first recess is towards the internal diameter side of cyclic annular base member, when oil passes through the oil groove flow direction external diameter side from the internal diameter side of annular base plate, two at least second recesses can carry more oil by oneself for the area of contact of oil and friction disc is bigger, and the heat that the friction disc produced is taken away to oil can be faster, improves the heat-sinking capability of friction disc, the at least one second recess of each clutch block, the opening of second recess is towards the external diameter side of cyclic annular base member, makes the oil that the oil in on the clutch block and the oil groove can be smooth arrange to the external diameter side of annular base member, has reduced the oil film coverage rate, thereby has reduced the drag torque of clutch.
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In describing the embodiments of the present invention in detail, the drawings are not necessarily to scale, and the drawings are merely exemplary and should not be construed as limiting the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Fig. 1 is a schematic structural view of a friction plate according to an embodiment of the present invention.
Referring to fig. 1, the friction plate includes:
an annular substrate 100, the annular substrate 100 comprising a first surface and a second surface opposite the first surface;
the friction blocks 101 are arranged on at least one of the first surface and the second surface, oil grooves 102 are formed between the adjacent friction blocks 101, each friction block 101 is provided with at least two first grooves 103 and at least one second groove 104, the openings of the first grooves 103 face the inner diameter side of the annular base body 100, the openings of the second grooves 104 face the outer diameter side of the annular base body 100, and the number of the first grooves 103 is larger than that of the second grooves 104.
In some embodiments, the annular substrate 100 is annular or quasi-annular, and the material of the annular substrate 100 is metal, and may be steel. In one embodiment, the outer diameter of the annular substrate 100 may be 100-150 mm, the inner diameter of the annular substrate 100 may be 80-100 mm, and the thickness of the annular substrate 100 may be 1-5 mm.
The inner side of the annular base 100 has radial teeth 105, the teeth 105 may be rectangular, triangular or other shapes, and as some embodiments, the width of the teeth 105 gradually decreases in the radial direction toward the center of the annular base 100.
In some embodiments, the friction blocks 101 may be disposed on the first surface or the second surface of the annular substrate 100, or both the first surface and the second surface of the annular substrate 100. The friction block 101 has a predetermined thickness, and those skilled in the art can reasonably select the thickness range according to the actual requirement of the friction plate, and it is specially stated herein that the protection scope of the present invention should not be excessively limited. The friction block 101 may be adhered or otherwise disposed on the first surface and/or the second surface of the annular substrate 100.
In some embodiments, the friction blocks 101 are arranged in a circular ring on the surface (first surface and/or second surface) of the annular substrate 100. It should be noted that the friction blocks 101 may be arranged in a plurality of circles or in a single circle on the surface of the annular base 100, for example, one circle, two circles, three circles, etc., and in this embodiment, one circle of arrangement is shown, and it should be noted that the more the number of circles of the friction blocks 101 arranged in a circle on the surface of the annular base 100 is, the more the loops of the oil groove are beneficial to reducing the coverage rate of the oil film. However, since the area of the annular base 100 is limited, the more the friction blocks 101 are arranged in a circle on the surface of the annular base 100, the smaller the size of the friction blocks 101.
It should be noted that the friction blocks 101 of different rings may have the same or different shapes.
In some embodiments, the first and second surfaces are provided with friction blocks. The friction block of the first surface and the friction block of the second surface are correspondingly arranged, so that the oil passing capacity of the oil groove is enhanced.
In some embodiments, the first and second surfaces are provided with friction blocks. The friction blocks on the first surface and the friction blocks on the second surface are arranged in a staggered mode, so that the oil passing capacity of the oil groove is enhanced.
In some embodiments, the friction block may be square, square-like, rectangular-like, trapezoidal-like, and the like in shape. If the friction blocks are arranged on the surface of the base body in a multi-circle ring shape, the friction blocks in different circles can be the same or different in shape.
In this embodiment, each friction block 101 has at least two first grooves 103 and at least one second groove 104, the opening of the first groove 103 faces the inner diameter side of the annular base 100 (the bottom of the first groove 103 is located in the friction block), the opening of the second groove 104 faces the outer diameter side of the annular base 100 (the bottom of the second groove 104 is located in the friction block), and the number of the first grooves 103 is greater than the number of the second grooves 104, each friction block 101 is provided with at least two first grooves 103, the opening of the first groove 103 faces the inner diameter side of the annular base 100, when oil flows from the inner diameter side to the outer diameter side of the annular base 100 through the oil groove 102, the at least two second grooves 103 can carry more oil, so that the contact area between the oil and the friction plate 101 is larger, the oil can take away heat generated by the friction plate 101 more quickly, and the heat dissipation capability of the friction plate is improved, each friction block 101 has at least one second groove 104, and the second groove 104 is opened toward the outer diameter side of the annular base body 100, so that oil on the friction block 101 and in the oil groove 102 can be smoothly discharged toward the outer diameter side of the annular base body 100, the oil film coverage is reduced, and the drag torque of the clutch is reduced.
In an embodiment, referring to fig. 1, the number of the first grooves 103 in each friction block 101 is two, the number of the second grooves 104 is one, and the second grooves 104 are located between the two first grooves 103, so that the friction performance of the friction blocks 101 is ensured while the heat dissipation capacity of the friction plate is improved and the drag torque of the clutch is reduced.
In other embodiments, the number of the first grooves 103 in each friction block 101 is greater than two, and may be three, and the number of the second grooves 104 is greater than one, and may be two, and the first grooves 103 and the second grooves 104 in each friction block 101 are alternately arranged.
An embodiment of the utility model provides a clutch is still provided, include: the friction plate and the steel sheet are arranged at intervals.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A friction plate, comprising:
an annular substrate comprising a first surface and a second surface opposite the first surface;
the friction blocks are at least arranged on one surface of the first surface and the second surface, oil grooves are formed between every two adjacent friction blocks, each friction block is provided with at least two first grooves and at least one second groove, the openings of the first grooves face the inner diameter side of the annular base body, the openings of the second grooves face the outer diameter side of the annular base body, and the number of the first grooves is larger than that of the second grooves.
2. A friction plate as described in claim 1 wherein said first recesses are two in number and said second recesses are one in number in each friction pack, said second recesses being located between two first recesses.
3. A friction plate as described in claim 1 wherein said first grooves and said second grooves alternate in each friction pack.
4. A friction plate as described in claim 1 wherein said annular base is annular in shape.
5. A friction plate as described in claim 1 wherein said annular base has a plurality of radial teeth on an inner side thereof.
6. A friction plate as described in claim 1 wherein said first and second surfaces each have a friction pad disposed thereon.
7. A clutch, comprising:
a friction plate as described in any one of claims 1-6 and steel plates, wherein said friction plate and steel plates are spaced apart.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922450028.6U CN211820458U (en) | 2019-12-30 | 2019-12-30 | Friction plate and clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922450028.6U CN211820458U (en) | 2019-12-30 | 2019-12-30 | Friction plate and clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211820458U true CN211820458U (en) | 2020-10-30 |
Family
ID=73040443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922450028.6U Active CN211820458U (en) | 2019-12-30 | 2019-12-30 | Friction plate and clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211820458U (en) |
-
2019
- 2019-12-30 CN CN201922450028.6U patent/CN211820458U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 214000 No. 8, Jinma Road, Hongshan street, Xinwu District, Wuxi City, Jiangsu Province Patentee after: Wuxi Lintex New Material Technology Co.,Ltd. Address before: 214145 No. 8, Jinma Road, Hongshan street, New District, Wuxi City, Jiangsu Province Patentee before: WUXI LINTEX AUTO PARTS Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 9 Qiyun Road, Suxitong Industrial Park, Nantong City, Jiangsu Province, 226000 Patentee after: Jiangsu Lintai New Materials Technology Co.,Ltd. Address before: 214000 No. 8, Jinma Road, Hongshan street, Xinwu District, Wuxi City, Jiangsu Province Patentee before: Wuxi Lintex New Material Technology Co.,Ltd. |