CN108533630B - Sectional compressed waveform sheet, driven disc assembly and automobile clutch - Google Patents
Sectional compressed waveform sheet, driven disc assembly and automobile clutch Download PDFInfo
- Publication number
- CN108533630B CN108533630B CN201810512086.4A CN201810512086A CN108533630B CN 108533630 B CN108533630 B CN 108533630B CN 201810512086 A CN201810512086 A CN 201810512086A CN 108533630 B CN108533630 B CN 108533630B
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- Prior art keywords
- plane part
- shaped
- contact
- shaped plane
- waveform
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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
- F16D13/68—Attachments of plates or lamellae to their supports
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The invention discloses a sectional compressed waveform piece, which adopts a bilateral symmetry structure and comprises an H-shaped plane part, wherein a first mounting hole is arranged in the center of the H-shaped plane part, first contact plane parts which have a first compression height and are parallel to the H-shaped plane part are arranged at the left side and the right side of a central line 4 of the H-shaped plane part in a mirror image manner, and the two first contact plane parts and the H-shaped plane part are respectively connected into a whole through bending parts with the same structure; the front end of the H-shaped plane part is provided with a second contact plane part which has a second compression height and is parallel to the H-shaped plane part, and the second contact plane part and the H-shaped plane part are connected into a whole through a bending part; the rear end of the H-shaped plane part is connected with the driven plate mounting part through a bending area. According to the invention, the axial rigidity of the waveform sheet is improved in a sectional compression mode, the waveform sheet is in surface contact with the friction sheet, and the larger contact area of the waveform sheet and the friction sheet can reduce stress concentration and improve the fatigue life of the waveform sheet and the engagement performance of the clutch.
Description
Technical Field
The invention relates to an automobile clutch part, in particular to a sectionally compressed waveform piece, a driven disc assembly and an automobile clutch, wherein the waveform piece is a piece part with axial nonlinear force-displacement characteristic between two friction pieces on the driven disc assembly of the clutch.
Background
Automotive clutches are a very important element of an automotive driveline that is capable of transmitting torque from the engine, and under certain conditions, proper clutch actuation can shut off power or prevent system overload. The wave-shaped sheet has the function of generating gradually increased torque in the clutch engagement process, so that smooth clutch engagement and rapid clutch disengagement are ensured. The waveform piece influences the engagement performance of the clutch to a great extent, and the section of the pressed part of the waveform piece has a wavy shape, so that the contact area of the waveform piece and the friction piece is small, the stress concentration of the waveform piece at the bending position is easy to cause the abrasion of the friction piece.
Disclosure of Invention
The invention aims to provide a waveform piece optimization structure for an automobile clutch driven disc assembly, the optimization structure improves the axial rigidity of the waveform piece in a sectional compression mode, and the contact of the waveform piece and a friction piece is surface-to-surface lamination, so that the contact area is large. After the structure is optimized, the stress of the waveform sheet at the bending position is reduced, the abrasion of the friction sheet is reduced, and meanwhile, the fatigue life of the waveform sheet and the engagement performance of the clutch are improved.
The invention is realized by adopting the following technical scheme:
the utility model provides a wave form piece of segmentation compression, adopts bilateral symmetry structure, includes the H type plane portion that the center was provided with first mounting hole, the left and right sides of the central line 4 of H type plane portion set up the first contact plane portion that has first compression height and is parallel to H type plane portion mirror image, two first contact plane portions with connect as an organic wholely through the identical bending part of structure between the H type plane portion respectively; the front end of the H-shaped plane part is provided with a second contact plane part which has a second compression height and is parallel to the H-shaped plane part, and the second contact plane part and the H-shaped plane part are connected into a whole through a bending part; the rear end of the H-shaped plane part is connected with the driven plate mounting part through a bending area.
Further, the first compressed height of the first contact planar portion is greater than the second compressed height of the second contact planar portion.
Further, the first compression height is equal to the distance between the first contact surface of the opposite friction plate on the first contact plane part and the H-shaped contact surface of the other friction plate on the H-shaped plane part minus the thickness of the wave-shaped plate.
Further, the second compressed height is equal to the distance between the second contact surface of the opposite friction plate on the second contact plane portion and the H-shaped contact surface of the other friction plate on the H-shaped plane portion minus the thickness of the wave plate.
Further, the driven plate mounting portion is provided with at least two second mounting holes.
Further, the front end of the H-shaped plane part is symmetrically provided with two first separation grooves taking the central line as a symmetrical line, and the rear end of the H-shaped plane part is symmetrically provided with two second separation grooves taking the central line as a symmetrical line.
Further, the first and second separation grooves are oblong, semicircular or semi-elliptical in shape.
The utility model provides an integral segmentation compression wave form piece, includes along the even number that circumference set up evenly wave form piece, adjacent wave form piece installation direction is opposite, the driven piece installation department interconnect of each wave form piece forms annular integral type structure.
A driven disc assembly comprising a wave plate as described.
An automotive clutch comprising a driven disc assembly as described.
Compared with the prior art, the invention has the following beneficial effects:
the wave-shaped sheet provided by the invention is axially compressed through the first contact surface, and when a certain compression amount is reached, the first contact surface and the second contact surface are jointly compressed and transmit larger torque. The axial rigidity of the waveform piece is improved in a sectional compression mode, meanwhile, the waveform piece is in surface-to-surface joint with the friction piece, and the larger contact area of the waveform piece and the friction piece can reduce stress concentration and improve the fatigue life of the waveform piece and the joint performance of the clutch.
Drawings
The invention will be described in detail below with reference to specific embodiments using the examples of fig. 1 to 4. The drawings show:
FIG. 1 is a schematic illustration of a wave plate according to an embodiment of the present invention mounted on a side friction plate;
FIG. 2 is a cross-sectional view taken along section line A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along section line B-B of FIG. 1;
fig. 4 is a profile view of a monolithic waveform slice according to another embodiment of the invention.
The figure shows:
1-friction plate; 2-setting rivets; 3-wave-shaped pieces; 4-center line; 5-a first bending region; 6-a second bending region; 7-a third bending region; 8-fourth bending region; 9-a first contact surface; 10-a second contact surface; 11-H contact plane; 12-a first dividing groove; 13-a second dividing groove; 14-a first mounting hole; 15-a second mounting hole.
Detailed Description
The invention is further described below in connection with compliance and specific examples.
As shown in fig. 1, a sectionally compressed wave-shaped sheet adopts a bilateral symmetry structure, and comprises an H-shaped plane part with a first mounting hole 2 arranged in the center, wherein the left side and the right side of a center line 4 of the H-shaped plane part are provided with first contact plane parts which have a first compression height and are parallel to the H-shaped plane part in a mirror image manner, and the two first contact plane parts and the H-shaped plane part are respectively connected into a whole through a second bending region 6 and a fourth bending region 8 with the same structure to form a circumferential wave shape of the wave-shaped sheet; the front end of H type plane portion is provided with has the second compression height and is on a parallel with the second contact plane portion of H type plane portion, the second contact plane portion with link as an organic wholely through first bending region 5 between the H type plane portion, the rear end of H type plane portion passes through third bending region 7 and connects driven piece installation department, first bending region 5 and third bending region 7 form the radial wave shape of wave form piece, driven piece installation department is provided with the second mounting hole 15 that is used for installing the driven plate.
The first compressed height of the first contact planar portion is greater than the second compressed height of the second contact planar portion. Wherein, as shown in fig. 3, the first compression height is equal to the distance between the first contact surface 9 of the opposite friction plate on the first contact plane part and the H-shaped contact surface 11 of the other friction plate on the H-shaped plane part minus the thickness of the wave plate. As shown in fig. 2, the second compression height is equal to the distance between the second contact surface 10 of the opposite friction plate on the second contact plane portion and the H-shaped contact surface 11 of the other friction plate on the H-shaped plane portion minus the thickness of the wave plate.
The front end of the H-shaped plane part is symmetrically provided with two first separation grooves 12 taking the central line 4 as a symmetrical line, and the rear end of the H-shaped plane part is symmetrically provided with two second separation grooves 13 taking the central line 4 as a symmetrical line. The first dividing groove 12 and the second dividing groove 13 are oblong, semicircular or semi-elliptical in shape, and are oblong in this embodiment.
In this embodiment, four circumferentially uniformly distributed wave plates 3 are riveted between two friction plates 1 through four mounting rivets 2 passing through the first mounting holes 14 of each wave plate 3, and two second mounting holes 15 of a single wave plate 3 for riveting with the friction plates 1 are provided. One side of the wave plate 3 is attached to the friction plate 1 through a first contact surface 9 or a second contact surface 10, the other side is attached to the other friction plate 1 through an H-shaped contact surface 11, and the first contact surface 9 and the H-shaped contact surface 11 are always attached to the two friction plates 1 in an installation state.
As shown in fig. 4, in another possible embodiment of the present invention, there is provided a unitary and sectionally compressed wave plate, which includes eight wave plates as described in the above embodiment uniformly arranged in the circumferential direction, and the installation directions of the adjacent wave plates are opposite, and the driven plate installation portions of the respective wave plates are connected to each other to form a ring-shaped unitary structure.
In another possible embodiment of the present invention, a driven disc assembly is provided, which includes four wave plates as shown in fig. 1, wherein two sides of a single wave plate are riveted with a friction plate, and a driven plate mounting portion of the wave plate is connected with the outer side of the circumference of the driven disc.
In another possible embodiment of the present invention, a driven disc assembly is provided, which includes the integral type sectionally compressed wave plate as shown in fig. 4, and the integral type sectionally compressed wave plate is riveted on the outer side of the circumference of the driven disc through a plurality of second mounting holes 15 after being connected to each other through the driven plate mounting part to form an annular integral structure.
In another possible embodiment of the invention there is provided an automotive clutch comprising a driven disc assembly as described in the previous embodiments.
During the engagement process of the clutch, the friction plate 1 firstly applies pressure to the first contact surface 9 and the H-shaped contact surface 11 to enable the wave-shaped plate to generate axial compression, when the compression reaches a certain degree, the friction plate 1 starts to be attached to the second contact surface 10, and at the moment, the height of circumferential waves on the wave-shaped plate is the same as the height of radial waves. When the friction plates 1 on the two sides of the wave plate continuously press the wave plate, the three contact surfaces are stressed together and transmit larger torque. The waveform sheet of the embodiment improves the axial rigidity of the waveform sheet in a sectional compression mode, meanwhile, the waveform sheet is in surface-to-surface joint with the friction sheet, and the larger contact area of the waveform sheet and the friction sheet can reduce stress concentration and improve the fatigue life of the waveform sheet and the joint performance of the clutch.
The foregoing is only a specific embodiment of the present invention. The scope of the invention is not limited in this respect. Any changes or substitutions that would be readily apparent to one skilled in the art within the scope of the present disclosure are intended to be encompassed within the scope of the present invention.
Claims (7)
1. The sectional compressed wave-shaped sheet adopts a bilateral symmetry structure and is characterized by comprising an H-shaped plane part with a first mounting hole (2) arranged in the center, wherein the left side and the right side of a center line (4) of the H-shaped plane part are provided with first contact plane parts which have a first compression height and are parallel to the H-shaped plane part in a mirror image manner, and the two first contact plane parts and the H-shaped plane part are connected into a whole through bending parts with the same structure; the front end of the H-shaped plane part is provided with a second contact plane part which has a second compression height and is parallel to the H-shaped plane part, and the second contact plane part and the H-shaped plane part are connected into a whole through a bending part; the rear end of the H-shaped plane part is connected with the driven plate mounting part through a bending area; the first compressed height of the first contact planar portion is greater than the second compressed height of the second contact planar portion; the first compression height is equal to the thickness of the wave-shaped sheet subtracted from the distance between a first contact surface (9) of the opposite friction sheet (1) on the first contact plane part and an H-shaped contact surface (11) of the other friction sheet (1) on the H-shaped plane part; the second compression height is equal to the distance between a second contact surface (10) of the opposite friction plate (1) on the second contact plane part and an H-shaped contact surface (11) of the other friction plate (1) on the H-shaped plane part minus the thickness of the wave-shaped plate.
2. The segmented compressed waveform slice of claim 1, wherein: the driven plate mounting portion is provided with at least two second mounting holes (15).
3. The segmented compressed waveform slice of claim 1, wherein: the front end of the H-shaped plane part is symmetrically provided with two first separation grooves (12) taking the central line (4) as a symmetrical line, and the rear end of the H-shaped plane part is symmetrically provided with two second separation grooves (13) taking the central line (4) as a symmetrical line.
4. A segmented compressed waveform slice according to claim 3, wherein: the first separation groove (12) and the second separation groove (13) are oblong, semicircular or semi-elliptical in shape.
5. An integral segmented compressed waveform slice, characterized by: comprising an even number of waveform pieces as claimed in any one of claims 1 to 4 uniformly arranged along the circumferential direction, wherein the mounting directions of the adjacent waveform pieces are opposite, and the driven piece mounting parts of the waveform pieces are mutually connected to form an annular integrated structure.
6. A driven disc assembly comprising a waveform disc as claimed in any one of claims 1 to 5.
7. An automotive clutch comprising the driven disc assembly of claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810512086.4A CN108533630B (en) | 2018-05-25 | 2018-05-25 | Sectional compressed waveform sheet, driven disc assembly and automobile clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810512086.4A CN108533630B (en) | 2018-05-25 | 2018-05-25 | Sectional compressed waveform sheet, driven disc assembly and automobile clutch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108533630A CN108533630A (en) | 2018-09-14 |
| CN108533630B true CN108533630B (en) | 2023-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810512086.4A Active CN108533630B (en) | 2018-05-25 | 2018-05-25 | Sectional compressed waveform sheet, driven disc assembly and automobile clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108533630B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB473378A (en) * | 1936-08-01 | 1937-10-12 | Borg And Beck Company Ltd | Improvements in or relating to clutches |
| FR2693778A1 (en) * | 1992-07-15 | 1994-01-21 | Valeo | Friction lining disc |
| FR2702811A1 (en) * | 1993-03-19 | 1994-09-23 | Valeo | Lining carrier disc for carrying friction linings, especially for a motor vehicle |
| JPH10103372A (en) * | 1996-09-25 | 1998-04-21 | Exedy Corp | Friction member and clutch disc assembly using the friction member |
| CN104019144A (en) * | 2014-04-30 | 2014-09-03 | 芜湖禾丰离合器有限公司 | Clutch waveform piece |
| DE102015203239A1 (en) * | 2015-02-24 | 2016-08-25 | Schaeffler Technologies AG & Co. KG | clutch disc |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2817002B1 (en) * | 2000-11-20 | 2003-01-31 | Valeo | FRICTION DISC AND METHOD OF MANUFACTURING A TRIM COMPONENT |
| CN208381148U (en) * | 2018-05-25 | 2019-01-15 | 华南理工大学 | A kind of corrugated sheet of sectional compression, clutch drived disk assy and automobile clutch |
-
2018
- 2018-05-25 CN CN201810512086.4A patent/CN108533630B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB473378A (en) * | 1936-08-01 | 1937-10-12 | Borg And Beck Company Ltd | Improvements in or relating to clutches |
| FR2693778A1 (en) * | 1992-07-15 | 1994-01-21 | Valeo | Friction lining disc |
| FR2702811A1 (en) * | 1993-03-19 | 1994-09-23 | Valeo | Lining carrier disc for carrying friction linings, especially for a motor vehicle |
| JPH10103372A (en) * | 1996-09-25 | 1998-04-21 | Exedy Corp | Friction member and clutch disc assembly using the friction member |
| CN104019144A (en) * | 2014-04-30 | 2014-09-03 | 芜湖禾丰离合器有限公司 | Clutch waveform piece |
| DE102015203239A1 (en) * | 2015-02-24 | 2016-08-25 | Schaeffler Technologies AG & Co. KG | clutch disc |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108533630A (en) | 2018-09-14 |
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