CN209278360U

CN209278360U - Clutch cover assembly with hump compensation device

Info

Publication number: CN209278360U
Application number: CN201821796418.8U
Authority: CN
Inventors: 朴政桓
Original assignee: Shenyang Valeo Pyeong HWA Transmission Systems Co Ltd
Current assignee: Shenyang Valeo Pyeong HWA Transmission Systems Co Ltd
Priority date: 2018-11-02
Filing date: 2018-11-02
Publication date: 2019-08-20
Anticipated expiration: 2028-11-02

Abstract

The utility model belongs to Clutch Technology field, in particular to a kind of clutch cover assembly with hump compensation device.Including clutch cover board and the hump compensation device, diaphragm spring and the platen that are assembled in clutch cover board, wherein clutch cover board is fitted together and is rotated together with coupling flywheel, clutch driven plate compression is affixed on coupling flywheel by platen, diaphragm spring provides pressure or pressure relief for platen, hump compensation device is set between diaphragm spring and clutch cover board, for reducing the maximum load applied on stressed release bearing to diaphragm spring and increases minimum load.The utility model can reduce the gap between the maximum load that clutch release bearing is subject to and minimum load, and operability is improved when making driver's let slip the clutch, for the purpose of reducing fatigue.

Description

Clutch cover assembly with hump compensation device

Technical field

The utility model belongs to Clutch Technology field, in particular to a kind of clutch case group with hump compensation device Part.

Background technique

Automobile clutch is the device for interrupting the power transmitting from the flywheel of automobile to gear side, main structure It include clutch driven plate and clutch cover assembly at component.Korean Patent Publication No. 2000-7904, disclose it is this tradition from The composition of clutch, if Fig. 1 a and Fig. 1 b are the schematic diagram of disclosed orthodox car clutch cover assembly structure, such as Fig. 1 a and Fig. 1 b Shown, clutch cover board (clutch cover body) 2 is fixed on the flywheel 1 rotated together with engine driving.It is above-mentioned from Clutch cover board 2, which has by contacting and separating with clutch driven plate 3, transmits to gearbox or cuts off the platen 4 of power, platen 4 It is connected by multiple driver blades 5.Fig. 2 is the cross-sectional side view constituted for other traditional design clutches, can be simply interpreted as, When release bearing 111 shifts to 101 side of flywheel, release bearing 111 will push 107 inner end of diaphragm spring to the direction engine E, It is rotated using the contact point of support ring 108 as rotation center according to the outboard end of above-mentioned condition diaphragm spring 107.Clutch at this time Device driven disc 103 is separated with flywheel 101, and cutting passes to the power of gearbox from engine E.As usually starting in vehicle Power is transmitted between machine and speed changer or cuts off the clutch of power device, clutch may be made due to the frequent operation of clutch Driven mill damage, clutch driven plate abrasion increases damping load, as pedal force also will increase.In addition, big having In the case where the vehicle of output, difference between the maximum load and minimum load of the diaphragm spring of clutch, i.e., so-called camel Peak can further increase.When the difference between maximum load and minimum load increases, the pedal force of stepping on clutch pedal can be very By force, the problem of this makes driver behavior reduce and increase the fatigue strength of driver.

In addition, since the torque output of vehicle in recent automobile demand trend gradually increases, and in the biography for reducing clutch Unite diaphragm spring in maximum load and minimum load between difference in terms of there are limitations, therefore be highly desirable to solution this ask The improvement measure of topic.

Utility model content

In view of the above-mentioned problems, the purpose of this utility model is to provide a kind of clutch case groups with hump compensation device Part makes driver step on clutch to reduce the gap between the maximum load and minimum load that clutch release bearing is subject to Operability is improved when pedal, for the purpose of reducing fatigue.

To achieve the goals above, the utility model uses following technical scheme:

A kind of clutch cover assembly with hump compensation device, including clutch cover board and it is assembled in the clutch case Hump compensation device, diaphragm spring and platen in plate, wherein clutch cover board and coupling flywheel fit together and together Clutch driven plate compression is affixed on coupling flywheel by rotation, the platen, and the diaphragm spring provides pressure for the platen Power or pressure relief, the hump compensation device are set between diaphragm spring and clutch cover board, for reducing the film is given Flat spring applies the maximum load on stressed release bearing and increases minimum load.

The diaphragm spring be it is disk-shaped, including ring edge and by the circumferentially described diaphragm bullet of the inner circle of the ring edge Multiple cantilever members that spring center extends, the hump compensation device are located at the cantilever member and clutch case of the diaphragm spring Between plate.

The hump compensation device includes the bar portion for receiving load, the fastening part that can clamp the cantilever member and connection Interconnecting piece between bar portion and fastening part, the bar portion are connect with the clutch cover board.

The bar portion has opening shape, has compressive load in clutch cover assembly, and when release bearing pushes When diaphragm spring, from compressive load field to no-load field, it is again introduced into tensile load field.

The lower section of the fastening part is equipped with elastic hook portion, and the cantilever member is inserted in the elastic hook portion.

The hump compensation device at least it is symmetrically arranged two or more.

The outer circumferential sides of the diaphragm spring be equipped with device of wear compensation, the device of wear compensation for compensate due to from The change in location of diaphragm spring caused by the abrasion of clutch driven disc friction plate.

The device of wear compensation includes leaf spring and ratchet, and wherein ratchet is rotatablely arranged at the clutch cover board Interior and contact with the outer circumferential sides of the diaphragm spring, the leaf spring is connected on the inner wall of the clutch cover board and one end For the bending structure being engaged with the ratchet.

The lower section of the diaphragm spring is equipped with the fulcrum plate connecting with the clutch cover board, and the fulcrum plate has for centre The lower end in contact of the butterfly structure of through-hole, the periphery of the fulcrum plate and the diaphragm spring supports.

The platen is equipped with fulcrum, and the diaphragm spring is by being embodied as the platen and providing pressure around branch spot wobble Or pressure relief.

The advantages of the utility model and beneficial effect are: the utility model is the clutch case group with hump compensation device Part has to reduce and applies the maximum load on stressed release bearing to diaphragm spring, while having and increasing the excellent of minimum load Point, therefore the difference between maximum load and minimum load can be compensated.

In addition, the utility model reduces clutch maximum load, minimum load is reduced, hump is reduced, is stepping on driver When lower clutch pedal, the operability of pedal is improved.Therefore, the pedal operation of driver is improved, driver is reduced and is stepping on Power when clutch pedal makes the tired effect for effectively reducing driver.

In addition, when clutch pedal after stepping on when leaving, because increasing minimum load, effective raising clutch pedal Spring back load.

Detailed description of the invention

Fig. 1 a is the sectional view of a conventional clutch；

Fig. 1 b is the structural schematic diagram of a conventional clutch cap assemblies；

In figure: 1 is flywheel a, and 2 be clutch cover board, and 3 be clutch driven plate, and 4 be platen a, and 5 be driver blade, and 7 be film Flat spring, 7a are diaphragm spring edge part, and 7b is the gap portion of diaphragm spring, and 8 be support ring a, and 9 be bending piece, and 10 be release Shift fork, 11 be release bearing a；

Fig. 2 is the structural schematic diagram of another traditional design clutch；

In figure: 101 be flywheel b, and 102 be clutch cover board, and 103 be platen b, and 104 be platen b, and 105 be connection sheet, 106 For bolt, 107 be diaphragm spring b, and 108 be support ring b, and 109 be rivet, and 111 be release bearing b, and 112 be main drive shaft, 113 For crank axle, E is engine；

Fig. 3 is the structural schematic diagram of the clutch cover assembly of the utility model；

Fig. 4 is the cross-sectional view of the utility model；

Fig. 5 a is the structural schematic diagram of hump compensation device in the utility model；

Fig. 5 b is the side view of hump compensation device in the utility model；

Fig. 6 a is that hump compensation device and diaphragm spring and clutch case board group fill in the utility model, is stretched and presses One of the schematic diagram of contracting loaded-up condition；

Fig. 6 b is that hump compensation device and diaphragm spring and clutch case board group fill in the utility model, is stretched and presses The two of the schematic diagram of contracting loaded-up condition；

Hump compensation device and diaphragm spring and clutch case board group fill in Fig. 6 c the utility model, are stretched and compress The three of the schematic diagram of loaded-up condition；

Fig. 7 is that the maximum load of the release bearing of hump compensation device and the difference of minimum load can mend in the utility model The curve graph repaid.

In figure: 200 be clutch cover assembly, and 210 be clutch cover board, and 220 be hump compensation device, and 223 be bar portion, 225 be fastening part, and 226 be connecting hole, and 227 be rivet, and 228 be elastic hook portion, and 230 be diaphragm spring, and 235 be cantilever structure Part, 240 be fulcrum plate, and 250 be fulcrum, and 260 be platen, and 270 be device of wear compensation, and 275 be leaf spring, and 280 be rivet, 290 For clutch driven plate friction plate.

Specific embodiment

In order to keep the purpose of this utility model, technical solution and advantage clearer, with reference to the accompanying drawing and it is embodied The utility model is described in detail in example.

As shown in Figure 3-4, a kind of clutch cover assembly with hump compensation device provided by the utility model, including from Clutch cover board 210 and the hump compensation device 220 being assembled in clutch cover board 210, diaphragm spring 230 and platen 260, wherein Clutch cover board 210 is fitted together and is rotated together with coupling flywheel, and clutch driven plate compression is affixed on by platen 260 On coupling flywheel, diaphragm spring 230 is that platen 260 provides pressure or pressure relief, and hump compensation device 220 is set to diaphragm Between spring 230 and clutch cover board 210, for reducing the maximum load on stressed release bearing is applied to diaphragm spring 230 Lotus and increase minimum load.

Diaphragm spring 230 be it is disk-shaped, including ring edge and by 230 center of inner circle circumferential direction diaphragm spring of ring edge The multiple cantilever members 235 extended form concentric circles in the end of cantilever member 235 and the diaphragm spring 230 of side inside it. Cantilever member 235 is that transmitting pressure can be readily contacted with release bearing, should be convex shape to one section of release bearing.Hump is mended Device 220 is repaid to be located between the cantilever member 235 and clutch cover board 210 of diaphragm spring 230.

The lower section of diaphragm spring 230 is equipped with fulcrum plate 240, and fulcrum plate 240 is connected by rivet 280 and clutch cover board 210 It connects, fulcrum plate 240 is the butterfly structure that there is through-hole in centre, the periphery of fulcrum plate 240 and the lower end in contact branch of diaphragm spring 230 Support.Platen 260 be equipped with fulcrum 250, diaphragm spring 230 by around fulcrum 250 swing, be embodied as platen 260 provide pressure or Pressure relief.

The hump compensation device 220 as shown in Fig. 5 a, Fig. 5 b includes the bar portion 223 for receiving load, can clamp cantilever member 235 Fastening part 225 and the interconnecting piece that is connected between bar portion 223 and fastening part 225, bar portion 223 and clutch cover board 210 Connection.

Bar portion 223 has opening shape, as U-shaped structure, has compressive load in clutch cover assembly, and work as and release When putting bearing promotion diaphragm spring 230, from compressive load field to no-load field, it is again introduced into tensile load field.

The top of bar portion 223 is equipped with connecting hole 226, and connecting hole 226 is connect by rivet 227 with clutch cover board 210, such as Shown in Fig. 4.The lower section of fastening part 225 is equipped with downwardly open elastic hook portion 228, and cantilever member 235 is inserted in elastic extension In hook portion 228.Fulcrum 250 provides the point action in lever principle in the operation of diaphragm spring 230.That is, diaphragm Spring 230 is engaged with clutch cover board 210, pushes flywheel to 290 direction of clutch driven plate friction plate, fulcrum 250 with film Play the role of pressing to flywheel into friction plate 290 in the relationship of flat spring 230.

The shape in elastic hook portion 228 is unrestricted.That is, when viewed from the front, bar portion 223 is in open rear section Shape, and fastening part 225 is elastomer, to be assemblied on the outside of cantilever member 235, the formation of fastening part 225 For the peripheral surface corresponding to cantilever member 235.Elastic hook portion 228 is formed as being stuck in cantilever member 235 and and cantilever The shape of component 235 is correspondingly widened towards rear portion.When release bearing applies pressure to diaphragm spring 230 to move cantilever structure When part 235, the fastening part 225 and cantilever member 235 of associated hump compensation device 220 are with a degree of gap It is good.

In the embodiments of the present invention, 18 cantilever members 235 are formed on diaphragm spring 230, and pass through At least two symmetrically arranged hump compensation devices 220 are connected to cantilever member 225 or two or more.When the hump from side When compensation device 220, it is seen that bar portion 223 has the shape with U-shaped horizontal alignment, and fastening part 225 is connected to bar part 223 downside.It can be seen that, bar portion 223 is connected to the shape that the surface of clutch cover board 210 is lifted up at this time, so that working as It can have stretching and compressive load when engaging with clutch cover board 210 and diaphragm spring 230, can effectively reduce application Maximum load and minimum load on diaphragm spring 230.

The outer circumferential sides of diaphragm spring 230 be equipped with device of wear compensation 270, device of wear compensation 270 for compensate due to The change in location of diaphragm spring 230 caused by the abrasion of clutch driven plate friction plate 290.

Device of wear compensation 270 includes leaf spring 275 and ratchet, and wherein ratchet is rotatablely arranged at clutch cover board 210 Interior and contact with the outer circumferential sides of diaphragm spring 230, leaf spring 275 is connected on the inner wall of clutch cover board 210 and one end is The bending structure being engaged with ratchet.It is contacted by clutch driven plate with platen 260, transmits or cut off gearbox dynamic, passing During passing or cutting off power, clutch driven plate friction plate 290 generates friction with platen 260 and wears.When sensing When abrasion, leaf spring 275 applies certain power to ratchet, and jagged ratchet can rotate at this time, make the position of diaphragm spring 230 into Row level compensating.

The working principle of the utility model is:

Firstly, the clutch cover assembly 200 of the utility model is used to the power that engine generates passing to speed changer Device presses to clutch driven plate friction plate 290 and transmits power or cut off the platen 260 of power, clutch driven plate is rubbed Pad 290 is pushed into flywheel (not shown) direction, and engine power is transferred to gearbox by clutch, exercises vehicle. Clutch cover assembly 200 is engaged with unshowned flywheel to rotate integrally, and release bearing pressurizes to diaphragm spring 230, with Cut off the power from engine to speed changer.That is, when driver's let slip the clutch, release bearing is towards diaphragm bullet Spring 230 is mobile, and release bearing presses diaphragm spring 230, and the platen 260 connecting with diaphragm spring 230 is lifted, with clutch Device driven disc friction plate 290 separates.Diaphragm spring 230 and fulcrum 250 by the principle of lever, by platen 260 and clutch from The friction plate 290 of Moving plate separates, so that the power of engine is not transferred to gearbox, shifts gears.

In the clutch cover assembly of the utility model, diaphragm spring 230, diaphragm bullet are housed below clutch cover board 210 Spring 230 is supported by the hump compensation device 220 and fulcrum plate 240 connecting with clutch cover board 210.240 support membrane of fulcrum plate The cantilever member 235 of flat spring 230 and the back side in slot edge section.Shape of the hump compensation device 220 to be open or U-shaped portion is divided Formula is connected between clutch cover board 210 and diaphragm spring 230, and release bearing (not shown) applies pressure to diaphragm spring 230 When, it reduces maximum load (peak load), increases minimum load (valley load), play reduction maximum load and minimum carries Poor between lotus must act on.

As shown in Figure 6 a, diaphragm spring 230 is assembled in the state of clutch cover board 210, and clutch cover board 210 not with The state of flywheel engagement.Clutch cover board 210 due to diaphragm spring 230 load and tilt to the right, and compressing force is applied It is added in hump compensation device 220.

As shown in Figure 6 b, in the case that clutch cover board 210 is assembled in flywheel, at this point, hump compensation device 220 also by Compressing force.As described above, hump compensation device 220 in bar portion 223 with 210 contact surface of clutch cover board in the state separated, or The case where clutch cover board 210 is in conjunction with flywheel, forming the U-shaped shape laterally fallen all can be by compressing force.

As fig. 6 c, when release bearing presses diaphragm spring 230, tension force effect is in hump compensation device 220 Situation.The hump compensation device 220 for being already subjected to compressing force, the uncompression power due to pressure of release bearing slowly, until not It is compressed or the non-loaded moment of drawing force, i.e., at the time of becoming tensile load by compressive load, reenters tension The section for stretching load, makes minimum load become larger.

As shown in fig. 7, x-axis is the change in location of release bearing, y-axis is the load that release bearing assigns.When driver steps on Position displacement when lower clutch pedal according to release bearing is applied to the load of release bearing.Load curve illustrates that hump is mended Repay the load that device 220 is subject to.Difference between the minimum load in the maximum load and stretch zones in constricted zone is Hump.Can to not use hump compensation device clutch cover assembly in the case where, in the maximum load of constricted zone With the difference H1 of the minimum load in tension zone, with use hump compensation device clutch cover assembly in the case where, pressing The maximum load in contracting region is compared with the difference H2 of the minimum load in tension zone.That is, when being mended using hump Hump H1 when repaying device 220, when hump H2 is less than without using hump compensation device 220.When use hump compensation device 220 When, the power opposite with compressing force is provided in constricted zone, makes to work as let slip the clutch, when release bearing is mobile, release bearing Maximum load can become smaller, provide the power opposite with stretching resistance in tension region, the minimum load of release bearing made to become larger.Knot Fruit, hump value are compensated in order to which driver steps on clutch in operation to carry out gear shift, and can be with high torque More effective driver behavior is provided in the vehicle of output.Furthermore, it is possible to obtain the increase due to minimum load and increase clutch The effect of the screen resilience of pedal.

The foregoing is merely the embodiments of the present invention, are not intended to limit the protection scope of the utility model.It is all Any modification, equivalent substitution and improvement made within spirit of the present utility model and principle, extension etc., are all contained in this reality With in novel protection scope.

Claims

1. a kind of clutch cover assembly with hump compensation device, which is characterized in that including clutch cover board (210) and assembling Hump compensation device (220), diaphragm spring (230) and platen (260) in the clutch cover board (210), wherein clutch Device cover board (210) is fitted together and is rotated together with coupling flywheel, and the platen (260) compresses clutch driven plate It is affixed on coupling flywheel, the diaphragm spring (230) is that the platen (260) provide pressure or pressure relief, the hump Compensation device (220) is set between diaphragm spring (230) and clutch cover board (210), for reducing the diaphragm spring is given (230) it applies the maximum load on stressed release bearing and increases minimum load.

2. the clutch cover assembly according to claim 1 with hump compensation device, which is characterized in that the diaphragm bullet Spring (230) be it is disk-shaped, prolong including ring edge and by circumferentially described diaphragm spring (230) center of the inner circle of the ring edge The multiple cantilever members (235) stretched, the hump compensation device (220) are located at the cantilever member of the diaphragm spring (230) (235) between clutch cover board (210).

3. the clutch cover assembly according to claim 2 with hump compensation device, which is characterized in that the hump is mended Device (220) is repaid to include the bar portion (223) for receiving load, the fastening part (225) of the cantilever member (235) can be clamped and connected The interconnecting piece between bar portion (223) and fastening part (225) is connect, the bar portion (223) and the clutch cover board (210) are even It connects.

4. the clutch cover assembly according to claim 3 with hump compensation device, which is characterized in that the bar portion (223) there is opening shape, there is compressive load in clutch cover assembly, and when release bearing pushes diaphragm spring (230) when, from compressive load field to no-load field, it is again introduced into tensile load field.

5. the clutch cover assembly according to claim 3 with hump compensation device, which is characterized in that the fastening part The lower section of (225) is divided to be equipped with elastic hook portion (228), the cantilever member (235) is inserted in the elastic hook portion (228) It is interior.

6. the clutch cover assembly according to claim 2 with hump compensation device, which is characterized in that the hump is mended Repay device (220) at least it is symmetrically arranged two or more.

7. the clutch cover assembly according to claim 1 with hump compensation device, which is characterized in that the diaphragm bullet The outer circumferential sides of spring (230) are equipped with device of wear compensation (270), and the device of wear compensation (270) is for compensating due to clutch The change in location of diaphragm spring (230) caused by the abrasion of device driven disc friction plate (290).

8. the clutch cover assembly according to claim 7 with hump compensation device, which is characterized in that the abrasion is mended Repaying device (270) includes leaf spring (275) and ratchet, wherein ratchet be rotatablely arranged in the clutch cover board (210) and It is contacted with the outer circumferential sides of the diaphragm spring (230), the leaf spring (275) is connected to the interior of the clutch cover board (210) On wall and one end is the bending structure being engaged with the ratchet.

9. the clutch cover assembly according to claim 1 with hump compensation device, which is characterized in that the diaphragm bullet The lower section of spring (230) is equipped with the fulcrum plate (240) connecting with the clutch cover board (210), and the fulcrum plate (240) is centre There is the butterfly structure of through-hole, the periphery of the fulcrum plate (240) and the lower end in contact of the diaphragm spring (230) support.

10. the clutch cover assembly according to claim 9 with hump compensation device, which is characterized in that the platen (260) fulcrum (250) are equipped with, the diaphragm spring (230) is embodied as the platen (260) by swinging around fulcrum (250) Pressure or pressure relief are provided.