CN214404421U

CN214404421U - Clutch driven disc for vehicle

Info

Publication number: CN214404421U
Application number: CN202023089834.4U
Authority: CN
Inventors: 张洛泽
Original assignee: Shenyang Valeo Pyeong HWA Transmission Systems Co Ltd
Current assignee: Shenyang Valeo Pyeong HWA Transmission Systems Co Ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-10-15
Anticipated expiration: 2030-12-21

Abstract

The utility model relates to a clutch driven plate for vehicles, wherein a main plate and an auxiliary plate are fixedly connected, the middle part of the main plate is sleeved on a spline hub, the outer side of the main plate is provided with a wave-shaped sheet, friction plates are arranged at two sides of the wave-shaped sheet, a main damping spring and a hub are arranged between the main plate and the auxiliary plate, the hub is pressed by the main plate and the auxiliary plate to drive the main damping spring to push the hub to rotate, the hub is sleeved on the spline hub, and a pre-damping spring is arranged between the disc hub and the spline hub, the spline hub is pressed by the disc hub to push the pre-damping spring to rotate, the inner hole wall of the disc hub is provided with a plurality of combining grooves, the outer wall of the spline hub is provided with a plurality of convex parts, and the lug boss is embedded into the corresponding combination groove, the damping unit comprises a friction pad and a damping part, the friction pad is arranged on one side of the hub and sleeved on the spline hub, the spline hub is provided with a shifting groove, the friction pad is provided with an installation groove, and the damping part is arranged in a space formed by the shifting groove and the installation groove. The utility model discloses can prevent in advance that the preliminary shock attenuation from removing vibrations and the noise that the in-process takes place to main damping region.

Description

Clutch driven disc for vehicle

Technical Field

The utility model belongs to the technical field of the vehicle clutch and specifically relates to a clutch driven plate for vehicle.

Background

The clutch driven plate is connected with the transmission input shaft through a spline, is installed between the flywheel and the clutch pressure plate and transmits the rotation of the flywheel to the transmission input shaft through friction force.

As shown in fig. 1-2, the clutch driven plate includes a spline hub, a hub, an auxiliary plate, a main damping spring, a corrugated plate, a friction plate and a pre-damping spring, wherein the spline hub is disposed in the middle of the driven plate and connected with the input shaft of the transmission, the pre-damping spring is mounted between the spline hub and the hub, the hub is annular, the inner ring of the hub is provided with a plurality of grooves, the outer ring of the spline hub is provided with a plurality of protrusions, the protrusions and the grooves are correspondingly embedded, and when the protrusions contact with the grooves, the hub compresses the pre-damping spring, so that a gap of a certain rotation angle can be ensured.

As shown in figures 1-2, the main plate and the auxiliary plate are both annular, the middle parts of the main plate and the auxiliary plate are respectively sleeved on two sides of the spline hub, the main plate and the auxiliary plate are connected through positioning pins, and the positioning pins penetrate through the disc hub. A plurality of through windows are arranged on the hub, the main plate and the auxiliary plate along the circumferential direction, a main damping spring is arranged in an area formed among the through windows, the corrugated plate is fixedly arranged on the outer edge of the main plate through rivets, and friction plates are arranged on two sides of the corrugated plate.

The main damping spring and the pre-damping spring can transmit the power of an engine to an input shaft of a transmission and can absorb torsional impact and noise generated by the difference between the rotating speeds of a flywheel and the input shaft, wherein the main damping spring has higher rigidity and absorbs the impact and the noise in a high torque range, the pre-damping spring has low rigidity and absorbs the impact and the noise in a low torque range, so that the main damping spring corresponds to high torque when the engine is driven or accelerated, and the pre-damping spring corresponds to a low torque state in idling.

However, in the prior art, in the process that the clutch driven disc is from a low torque section to a high torque section, the matched boss and the groove between the spline hub and the disc hub can impact each other, and the problem of noise is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a clutch driven plate for vehicle sets up the shock attenuation unit between spline hub and dish hub, can prevent in advance that the preliminary shock attenuation from removing vibrations and the noise that the in-process takes place to main damping region.

The purpose of the utility model is realized through the following technical scheme:

a clutch driven disc for a vehicle comprises a main plate, an auxiliary plate, a hub, a spline hub and a damping unit, wherein the main plate and the auxiliary plate are fixedly connected, the middle part of the main plate and the middle part of the auxiliary plate are sleeved on the spline hub, a corrugated sheet is arranged on the outer side of the main plate, friction plates are arranged on two sides of the corrugated sheet, a main damping spring and the hub are arranged between the main plate and the auxiliary plate, the hub is pressed by the main plate and the auxiliary plate, the main damping spring pushes the hub to rotate, the hub is sleeved on the spline hub, a pre-damping spring is arranged between the hub and the spline hub, the spline hub is pressed by the hub, the pre-damping spring pushes the hub to rotate, a plurality of combining grooves are formed in the inner hole wall of the hub, a plurality of protruding parts are arranged on the outer wall of the spline hub, the protruding parts are embedded into the corresponding combining grooves, the damping unit comprises a friction pad and a damping part, the friction pad is arranged on one side of the hub and sleeved on the spline hub, the spline hub is provided with a shifting groove, the friction pad is provided with a mounting groove, and the damping part is arranged in a space formed by the shifting groove and the mounting groove.

The movement distance of the shock absorption part in the corresponding play groove is L1, the play distance of the lug boss in the corresponding combination groove is L2, and L1< L2.

The utility model discloses an advantage does with positive effect:

the utility model discloses set up the shock attenuation unit between spline hub and dish hub, move the in-process in damping area to main damping area in advance, before the bellying of spline hub contacts with the combination groove of dish hub, shock attenuation part among the shock attenuation unit contacts with the drunkenness groove earlier, can prevent in advance because of vibrations and the noise that the bellying takes place when contacting with the combination groove.

Drawings

Figure 1 is a front view of a clutch driven disc of the prior art,

figure 2 is a cross-sectional view a-a of figure 1,

figure 3 is a schematic structural diagram of the present invention,

figure 4 is a schematic view of the hub and splined hub of figure 3 in mating relationship,

figure 5 is an exploded view of the spline drum and damper unit of figure 4,

figure 6 is an enlarged view of the shock-absorbing unit of figure 5,

fig. 7 is a schematic view illustrating an operation state of the shock-absorbing unit in fig. 6.

Wherein, 1 is a positioning pin, 2 is a rivet, 110 is a main plate, 111 is a friction plate, 112 is a corrugated plate, 120 is a sub plate, 130 is a hub, 131 is a hub through hole, 132 is a coupling groove, 140 is a main damping spring, 150 is a spline hub, 151 is a boss, 160 is a pre-damping spring, 200 is a damping unit, 210 is a friction pad, 211 is an installation groove, 220 is a damping member, and 230 is a play groove.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 3 to 7, the present invention includes a main plate 110, a sub-plate 120, a hub 130, a spline hub 150 and a damping unit 200, wherein the main plate 110 and the sub-plate 120 are both annular, and the middle portions of the main plate 110 and the sub-plate 120 are sleeved on the spline hub 150, the hub 130 is disposed between the main plate 110 and the sub-plate 120, the main plate 110 and the sub-plate 120 are connected by a positioning pin 1, and an opening for the positioning pin 1 to pass is disposed at the outer edge of the hub 130, a corrugated plate 112 is disposed at the outer side of the main plate 110, and friction plates 111 are disposed at both sides of the corrugated plate 112 to contact with an engine flywheel, so that the main plate 110 and the sub-plate 120 are driven to rotate by friction force between the engine flywheel and the friction plates 111, the corrugated plate 112 is disposed at the outer side of the main plate 110, and the corrugated plate 112 is connected with the main plate 110 by a rivet 2, a pair of friction plates 111 is symmetrically disposed at both sides of the corrugated plate 112, which the structure is the same as the prior art, as shown with reference to fig. 2.

As shown in fig. 4, the hub 130 is ring-shaped, a hub through hole 131 is formed in the middle of the hub 130, the spline hub 150 is disposed in the hub through hole 131, and as shown in fig. 3, a main damping spring 140 is disposed between the main plate 110 and the sub plate 120, the main plate 110 and the sub plate 120 rotate to press the main damping spring 140, the main damping spring 140 rotates the hub 130, the hub 130 further drives the spline hub 150 to rotate, and since it takes a certain time for the main plate 110 and the sub plate 120 to compress the main damping spring 140, there is a certain time difference in the rotation between the main plate 110 and the sub plate 120 and the hub 130.

The main damping spring 140 is installed in the same manner as the prior art, as shown in fig. 2, a main plate slot 110a is formed in a portion of the main plate 110, which receives the main damping spring 140, an auxiliary plate slot 120a is formed in a portion of the auxiliary plate 120, which receives the main damping spring 140, the main damping spring 140 is disposed in a receiving groove formed between the main plate slot 110a and the auxiliary plate slot 120a, and a hub slot 130a is formed in the hub 130, and is used for receiving the main damping spring 140 and bearing the pressure of the main damping spring 140.

As shown in fig. 3 and 4, a spline hub 150 is connected to the transmission input shaft and is rotated by the hub 130, a pre-damper spring 160 is disposed between the spline hub 150 and the hub 130, wherein a plurality of coupling grooves 132 and spring receiving grooves are formed in an inner wall of a hub through hole 131 along a circumferential direction, the coupling grooves 132 and the spring receiving grooves are alternately disposed, a plurality of protrusions 151 and pre-damper springs 160 are formed in an outer wall of the spline hub 150 along the circumferential direction, the protrusions 151 and the pre-damper springs 160 are alternately disposed, the protrusions 151 are inserted into the corresponding coupling grooves 132, the pre-damper springs 160 are inserted into the corresponding spring receiving grooves, the protrusions 151 may have a certain amount of movement in the corresponding coupling grooves 132, when the protrusions 151 rotate until they contact with side walls of the corresponding coupling grooves 131, the hub 130 may rotate and compress the pre-damper springs 160 to rotate the spline hub 150, also, since it takes time to compress the pre-damper spring 160, there is a time difference in the rotation of the hub 130 with the spline hub 150.

The main damper spring 140 and the pre-damper spring 160 can absorb torsional shock and noise generated by a difference in the rotational speeds of the engine flywheel and the transmission input shaft during the process of transmitting the engine power to the transmission input shaft. Wherein the main damping spring 140 has a high stiffness, which absorbs impact and noise in a high torque range, and the pre-damping spring 160 has a low stiffness, which absorbs impact and noise in a low torque range, so that the main damping spring 140 corresponds to a high torque state when the engine is driven or accelerated, and the pre-damping spring 160 corresponds to a low torque state when the engine is idling.

As shown in fig. 5-7, the utility model discloses be equipped with shock attenuation unit 200, shock attenuation unit 200 is located between spline hub 150 and disk hub 130, and when both move the in-process in the district to main damping district in the preliminary damping, shock attenuation unit 200 can reduce the impact between spline hub 150 and the disk hub 130. The damping unit 200 includes a friction pad 210 and a damping member 220.

As shown in fig. 5, the friction pad 210 is disposed on one side of the hub 130, the friction pad 210 is sleeved on the spline hub 150, and a through hole 210a is disposed in the middle of the friction pad 210 for allowing the spline hub 150 and the transmission input shaft to pass through.

As shown in fig. 5, the spline hub 150 is provided with a play groove 230, the friction pad 210 is provided with a mounting groove 211, the play groove 230 corresponds to the mounting groove 211, as shown in fig. 6 to 7, the damping member 220 is disposed in a space formed after the play groove 230 and the mounting groove 211 are fastened, when the movement distance of the damping member 220 in the play groove 230 is L1, the play distance of the protrusion 151 in the corresponding coupling groove 132 of the hub 130 is L2, and it is required to satisfy L1< L2, so that during the movement from the pre-damping region to the main damping region, before the protrusion 151 contacts with the side wall of the coupling groove 132, the damping member 220 contacts with the side wall of the play groove 230 and is pressed, thereby reducing the impact. In this embodiment, the damping member 220 is made of rubber material capable of reducing impact.

The utility model discloses a theory of operation does:

the utility model discloses during operation, engine power transmits friction disc 111 through the engine flywheel, friction disc 111 drives wave form piece 112 and rotates, and then it is rotatory together to drive mainboard 110 and subplate 120, and mainboard 110 and subplate 120 compress main damping spring 140, and then drive disk hub 130 rotatory compression damping spring 160 in advance and drive spline hub 150 and rotate, because damping spring 160's rigidity in advance is less than main damping spring 140, damping spring 160 compresses earlier during the rotation, then main damping spring 140 recompression, later disk hub 130 and spline hub 150 rotate together to derailleur input shaft transmission power.

The utility model discloses be equipped with shock attenuation unit 200 between spline hub 150 and dish hub 130, move the in-process when the damping region in advance to main damping region, just before the bellying 151 of spline hub 150 contacts with the combination groove 132 of dish hub 130, shock attenuation part 220 among the shock attenuation unit 200 contacts with the drunkenness groove 230 earlier, can prevent in advance because of vibrations and the noise that takes place when bellying 151 and combination groove 132 contact.

Claims

1. A clutch driven plate for a vehicle, characterized in that: the damping device comprises a main plate (110), an auxiliary plate (120), a hub (130), a spline hub (150) and a damping unit (200), wherein the main plate (110) and the auxiliary plate (120) are fixedly connected, the middle part of the main plate (110) is sleeved on the spline hub (150), a corrugated sheet (112) is arranged on the outer side of the main plate (110), friction plates (111) are arranged on two sides of the corrugated sheet (112), a main damping spring (140) and the hub (130) are arranged between the main plate (110) and the auxiliary plate (120), the hub (130) is pressed by the main plate (110) and the auxiliary plate (120) to drive the main damping spring (140) to push and rotate, the hub (130) is sleeved on the spline hub (150), a pre-damping spring (160) is arranged between the hub (130) and the spline hub (150), the spline hub (150) is pressed by the hub (130) to drive the pre-damping spring (160) to push and rotate, a plurality of combination grooves (132) are arranged in the wall of the hub (130), spline hub (150) outer wall is equipped with a plurality of bellying (151), just in bellying (151) embedding combination groove (132) that correspond, shock attenuation unit (200) are including friction pad (210) and shock attenuation part (220), friction pad (210) are located dish hub (130) one side and suit on spline hub (150), be equipped with drunkenness groove (230) on spline hub (150), be equipped with mounting groove (211) on friction pad (210), and shock attenuation part (220) are located in the space that drunkenness groove (230) and mounting groove (211) formed.

2. The vehicular clutch driven disc according to claim 1, characterized in that: the movement distance of the shock-absorbing member (220) in the corresponding play groove (230) is L1, the play distance of the protrusion (151) in the corresponding coupling groove (132) is L2, and L1< L2.