Clutch and hybrid system

Abstract

A clutch is provided, comprising: a housing (1); a pressure plate (2) capable of reciprocating along the axial direction (A) of the clutch, an oil chamber (S) being formed between the pressure plate (2) and the housing (1); a clutch disc (3) comprising a friction portion (32) between the housing (1) and the pressure plate (2), the friction portion (32) extending radially outward and extending obliquely toward the axial direction; and a spring mechanism located between the housing (1) and the pressure plate (2). The solution of the present application can reduce the radial size of the clutch itself, simplify the structure and reduce the cost. A hybrid power system including the above-mentioned clutch is also provided.

Description

Technical Field

[0001] The present application relates to a clutch structure of a vehicle, and in particular to a clutch and a hybrid power system including the clutch. Background Art

[0002] In existing vehicles, friction clutches are usually used to achieve transmission connection and disconnection between the power source and the transmission. Existing friction clutches are usually dry clutches and wet multi-plate clutches. However, the above types of friction clutches have defects.

[0003] The dry clutch itself has a large radial dimension and requires a large radial installation space. In addition, the dry clutch has poor heat dissipation performance.

[0004] The radial dimension of the wet multi-plate clutch itself is large, and also requires a large radial installation space. In addition, the wet multi-plate clutch has a complex structure and is more expensive. Summary of the Invention

[0005] This application addresses the shortcomings of the aforementioned prior art. One objective of this application is to provide a novel clutch that has a smaller radial dimension than existing friction clutches and, compared to existing wet multi-plate clutches, maintains heat dissipation performance while maintaining a simple structure and lowering costs. Another objective of this application is to provide a hybrid powertrain system incorporating the aforementioned clutch.

[0006] In order to achieve the above-mentioned purpose of the invention, this application adopts the following technical solutions.

[0007] The present application provides a clutch as follows, comprising:

[0008] A housing, the housing being configured to be transmission-connected to a power source;

[0009] a pressure plate, the pressure plate being received in the housing and capable of reciprocating along the axial direction of the clutch, with an oil chamber for actuating the pressure plate being formed between the pressure plate and the housing;

[0010] a clutch disc housed in the housing, the clutch disc including a friction portion interposed between the housing and the pressure plate, the friction portion extending radially outward while extending obliquely in the axial direction; and

[0011] a spring mechanism, the spring mechanism being located between the housing and the pressure plate and being used to apply a force to the pressure plate so that the pressure plate can release the clutch disc or clamp the clutch disc with the housing,

[0012] Among them, when the pressure of the oil in the oil chamber on the pressure plate overcomes the elastic force of the spring mechanism, so that the pressure plate and the housing are clamped and abut against the friction part, the housing is transmission-connected with the clutch disc, and the clutch is in an engaged state; or when the pressure plate and the housing release the friction part, the housing is disengaged from the clutch disc, and the clutch is in a disengaged state.

[0013] In an optional solution, the clutch disc also includes a disc main body and a disc joint portion fixed to the friction portion, the disc main body has a circular ring shape, the friction portion is connected to the radially outer end edge of the disc main body, and the disc joint portion is connected to the radially inner end edge of the disc main body and extends along the axial direction.

[0014] In another optional scheme, the pressure plate includes a plate main body and a first conical portion, the plate main body has a circular ring shape, the first conical portion is connected to the radial outer end edge of the plate main body, and the first conical portion is opposite to the friction portion and extends parallel to the friction portion.

[0015] In another optional scheme, the pressure plate includes a plurality of insertion portions, which extend from the first conical portion toward one axial side and are arranged at intervals along the circumference of the clutch. The housing is formed with mounting holes corresponding to the plurality of insertion portions, and the plurality of insertion portions are inserted into the corresponding mounting holes.

[0016] In another optional solution, the shell is formed with a second conical portion, the second conical portion is opposite to the friction portion and extends parallel to the friction portion, and the second conical portion and the first conical portion are located on both sides of the friction portion.

[0017] In another optional solution, the housing includes a support plate.

[0018] The second conical portion is a part of the support plate, and the support plate is used for transmission connection with the power source, and

[0019] A supporting component connected to the supporting plate is also provided. An oil passage communicating with the oil cavity is formed in the supporting component, and the oil cavity is formed between the supporting component and the pressure plate.

[0020] In another optional solution, the housing includes a support plate and a cover plate.

[0021] The second conical portion is a part of the support plate, and the support plate is used for transmission connection with the power source.

[0022] A support component is also provided, the cover plate is connected to the support plate and the support component, the oil cavity is formed between the pressure plate, the cover plate and the support component, and

[0023] The oil passage is formed in the supporting member.

[0024] In another optional solution, the spring mechanism includes a plurality of leaf springs spaced apart in a circumferential direction of the clutch, one end of each leaf spring is connected to the housing and the other end is connected to the pressure plate.

[0025] In another optional scheme, one end of the multiple leaf springs is connected to the radial outer end of the pressure plate, and the other end of the multiple leaf springs is connected to the shell; or, one end of the multiple leaf springs is connected to the middle part of the pressure plate, and the other end of the multiple leaf springs is connected to the shell.

[0026] The present application also provides a hybrid power system as follows, comprising:

[0027] The clutch described in any one of the above technical solutions;

[0028] an engine, the engine being drivingly coupled to the housing of the clutch; and

[0029] A motor is connected to the housing in a transmission manner, or is connected to the clutch disc in a transmission manner.

[0030] By adopting the above technical solution, the present application provides a clutch and a hybrid power system including the clutch. The clutch includes a housing, a pressure plate, a clutch disc and a spring mechanism assembled together. The housing is used for transmission connection with a power source. The pressure plate and the clutch disc are both accommodated in the housing. The pressure plate can reciprocate along the axial direction of the clutch, and an oil chamber is formed between the pressure plate and the housing. The clutch disc includes a friction portion between the pressure plate and the housing, and the friction portion extends radially outward while extending obliquely toward the axial direction. The spring mechanism is located between the housing and the pressure plate. In this way, when the pressure of the oil in the oil chamber acting on the pressure plate overcomes the elastic force of the spring mechanism, so that the housing and the pressure plate are clamped and abut against the friction portion, the housing and the clutch disc achieve transmission connection, and the clutch is in an engaged state. Or when the pressure plate and the housing release the friction portion, the housing and the clutch disc are disengaged from the transmission connection, and the clutch is in a disengaged state.

[0031] Because the friction portion of the clutch of the present invention is formed to extend obliquely relative to the clutch's radial direction, the radial dimensions of the clutch itself can be reduced, thereby reducing the space required for clutch installation. Furthermore, the friction clutch mechanism of the clutch of the present invention is implemented using a housing, a clutch disc, and a pressure plate. Compared to the friction clutch mechanism of existing wet multi-plate clutches, which consists of multiple friction plates and a pressure plate, the number of components is significantly reduced, resulting in a simplified structure and lower costs for the clutch of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1A is a schematic cross-sectional view showing a clutch according to a first embodiment of the present application.

[0033] Figure 1B It shows Figure 1A A schematic cross-sectional view of the local structure of the clutch.

[0034] Figure 1C It shows that Figure 1A Schematic diagram of the partial structure of the hybrid system with a clutch.

[0035] Figure 2 3 is a schematic cross-sectional view showing a partial structure of a clutch according to a second embodiment of the present application.

[0036] Description of Reference Numerals

[0037] 1 housing 1p oil passage 11 support plate 11s external spline 111 second tapered portion 12 cover plate 13 support component

[0038] 2 Pressing plate 21 Plate body 22 First tapered portion 23 Insertion portion

[0039] 3 clutch disc 3h through hole 31 disc main body 32 friction part 33 disc joint part

[0040] 4 leaf springs

[0041] 5 output shaft

[0042] S oil cavity ICE engine EM motor

[0043] A is axial and R is radial. DETAILED DESCRIPTION

[0044] The following describes exemplary embodiments of the present application with reference to the accompanying drawings. It should be understood that these specific descriptions are only used to teach those skilled in the art how to implement the present application, and are not intended to exhaust all possible methods of the present application, nor to limit the scope of the present application.

[0045] In this application, unless otherwise specified, "axial", "radial" and "circumferential" refer to the axial, radial and circumferential directions of the clutch (housing) respectively. "Axial side" refers to the side where the engine is located, that is, Figure 1A 、 Figure 1B 、 Figure 1C and Figure 2 The left side in the figure; "the other side of the axis" refers to the side where the transmission is located, that is, Figure 1A 、 Figure 1B 、 Figure 1C and Figure 2 The right side in the figure; "radially outward" refers to the side radially away from the central axis of the clutch (housing), that is, Figure 1B 、 Figure 1C and Figure 2 The upper side in the figure, "radially inner side" refers to the side radially close to the center axis of the clutch (housing), that is, Figure 1B 、 Figure 1C and Figure 2 The lower side of the .

[0046] In the present application, "transmission coupling" of two components means that the two components are connected in a manner capable of transmitting torque, which includes not only a case where the two components are directly connected, but also a case where the two components are indirectly connected through other transmission mechanisms.

[0047] The structure of the clutch according to the first embodiment of the present application will be described below with reference to the accompanying drawings.

[0048] (Clutch according to the first embodiment of the present application)

[0049] like Figure 1A and Figure 1B As shown, the clutch according to the first embodiment of the present application includes a housing 1, a pressure plate 2, a clutch disc 3, a leaf spring 4, and an output shaft 5, which are assembled together. The housing 1, the pressure plate 2, the clutch disc 3, and the output shaft 5 are all rotating bodies with a central axis, and the four are assembled together in a coaxial manner.

[0050] In this embodiment, if Figure 1A and Figure 1B As shown, the housing 1 is used to connect to a power source (eg Figure 1C The engine ICE and the motor EM shown in FIG are transmission-coupled. Specifically, the housing 1 comprises a support plate 11 and a cover plate 12 fixed together.

[0051] The support plate 11 is used for transmission connection with the power source. Specifically, the support plate 11 includes a shaft portion and a cover portion fixed together. An external spline 11s is formed at one axial end portion of the shaft portion, and the output shaft of the engine ICE can be transmission connected to the support plate 11 via the external spline 11s. The cover portion extends radially outward from the other axial end portion of the shaft portion, and the cover portion obtains the desired shape through multiple bending during the process of extending radially outward. The radially inner end portion of the cover portion is fixedly connected to the shaft portion, and the radially outer end portion of the cover portion is fixedly connected to the cover plate 12. In addition, the support plate 11 is formed with a second conical portion 111, which is opposite to the friction portion 32 of the clutch disc 3 and extends parallel to the friction portion 32. The second conical portion 111 and the first conical portion 22 of the pressure plate 2 described below can be clamped with each other and abut against the friction portion 32 of the clutch disc 3, so that the housing 1 and the clutch disc 3 can be transmission connected.

[0052] The cover plate 12 is located on the other axial side of the support plate 11. The cover plate 12 is fixedly connected to the support plate 11. Specifically, the cover plate 12 is formed in a disc shape, and the cover plate 12 can be formed into a desired shape by multiple bendings in the process of extending toward the radial outside. The radially outer end of the cover plate 12 is fixedly connected to the radially outer end of the cover portion of the support plate 11. The radially inner end of the cover plate 12 is supported on the support component 13. The support component 13 is preferably a part of the transmission housing, the support component 13 is generally stationary, and the cover plate 12 can rotate with the support plate 11, so that there is relative rotation between the cover plate 12 and the support component 13. Here, preferably, a bearing component not shown is provided between the radially inner end of the cover plate 12 and the support component 13.

[0053] The support member 13 is located radially inside the cover plate 12 and substantially on the other axial side of the support plate 11. The support member 13 is formed as a hollow shaft. The output shaft 5 is located radially inside the support member 13 and is spaced apart from the support member 13.

[0054] Thus, the support plate 11, cover plate 12, and support member 13 enclose an installation space within which all other components are housed. Furthermore, in this embodiment, an oil chamber S is formed between the cover plate 12, support member 13, and pressure plate 2. The support member 13 is formed with an oil passage 1p communicating with the oil chamber S. Oil is introduced into the oil chamber S via this passage 1p. Once the oil pressure reaches a certain level, the force acting on the pressure plate 2 overcomes the elastic force of the leaf spring 4 (reset mechanism), pushing the pressure plate 2 axially to one side.

[0055] In this embodiment, if Figure 1A and Figure 1BAs shown, the pressure plate 2 is formed in a disk shape as a whole. The pressure plate 2 can reciprocate along the axial direction A and actually plays the role of a piston. The pressure plate 2 includes a plate body portion 21, a first tapered portion 22 and an insert portion 23 formed as one body.

[0056] The plate body 21 has a circular ring shape. The plate body 21 bends once as it extends along the radial direction R. The radially inner portion of the plate body 21, the cover plate 12, and the support member 13 define an oil chamber S. The radially outer portion of the plate body 21 is spaced apart from the cover plate 12 at least in the axial direction A, creating a space for mounting the leaf spring 4. The plate body 21 rests on the support member 13 and is optionally supported by the support member 13 at all times.

[0057] The first conical portion 22 is connected to the radially outer edge of the main plate portion 21. The first conical portion 22 opposes and extends parallel to the friction portion 32 of the clutch disc 3. The first conical portion 22 and the second conical portion 111 of the housing 1 are located on either side of the friction portion 32. After the pressure plate 2 moves axially to one side, the first conical portion 22 and the second conical portion 111 clamp and abut against the friction portion 32, enabling a transmission connection between the housing 1 and the clutch disc 3 through the friction force generated by the clamping.

[0058] A plurality of insert portions 23 extend axially from the first tapered portion 22 and are spaced apart circumferentially. The cover portion of the housing 1 is formed with mounting holes corresponding to the insert portions 23. The insert portions 23 are inserted into the corresponding mounting holes, allowing the pressure plate 2 to rotate with the housing 1 in a torsionally fixed manner.

[0059] In this embodiment, if Figure 1A and Figure 1B As shown, the clutch disc 3 can controllably achieve transmission coupling and decoupling with the housing 1. Specifically, the clutch disc 3 includes a disc main body portion 31, a friction portion 32, and a disc engaging portion 33 formed as one body.

[0060] The disc body 31 has an annular shape and extends generally along the radial direction R. A plurality of through-holes 3h extending in the axial direction A are formed in the disc body 31. These through-holes 3h serve as through-holes 3h for the clutch disc 3. These through-holes 3h connect the two axial sides of the clutch disc 3. This allows oil within the space enclosed by the housing 1 to flow through these through-holes 3h on both sides of the clutch disc 3, thereby improving heat dissipation and lubrication performance of the entire clutch.

[0061] The outer periphery of the clutch disc 3 includes a friction portion 32 between the first conical portion 22 of the pressure plate 2 and the second conical portion 111 of the housing 1. Friction layers can be formed on both sides of the friction portion 32 using wear-resistant materials. The friction portion 32 constitutes the radially outermost portion of the clutch disc 3 and is connected to the radially outer end edge of the disc main body 31. The friction portion 32 extends radially outward while extending obliquely toward one axial side. Since the first conical portion 22 of the pressure plate 2 and the second conical portion 111 of the housing 1 extend parallel to the friction portion 32 of the clutch disc 3, the three form a friction clutch structure that extends obliquely relative to the radial direction R. This reduces the radial size of the clutch compared to existing friction clutches having a friction clutch structure that extends radially.

[0062] The disc engaging portion 33 is connected to the radially inner end edge of the disc main body 31 and extends toward the other axial side along the axial direction A. The disc engaging portion 33 is located radially inward of the support member 13 of the housing 1, and the disc engaging portion 33 and the output shaft 5 can be drivenly coupled by spline engagement or interference fit.

[0063] In this embodiment, if Figure 1A and Figure 1B As shown, multiple leaf springs 4, spaced apart circumferentially, serve as the reset mechanism. Each leaf spring 4 is connected to the housing 1 at one end and to the pressure plate 2 at the other end. Each leaf spring 4 can include multiple stacked leaves. All leaves can have the same shape, and each leaf can be formed as a thin, arc-shaped sheet. The leaf springs 4 are evenly distributed circumferentially. The leaf springs 4 are arranged to provide tension between the pressure plate 2 and the housing 1.

[0064] In this embodiment, if Figure 1A and Figure 1B As shown, the output shaft 5 is a solid shaft extending linearly along the axial direction A. The output shaft 5 is always drivingly coupled to the disc engaging portion 33 for transmitting torque to the outside of the clutch (eg, a transmission).

[0065] With this solution, when the pressure of the oil in the oil chamber S on the pressure plate 2 overcomes the elastic force of the leaf spring 4, causing the housing 1 and pressure plate 2 to clamp and abut against the friction portion 32, the housing 1 and clutch plate 3 are connected in a transmission manner, and the clutch is engaged. At this point, torque from the housing 1 can be transmitted to the exterior of the clutch via the clutch plate 3 and output shaft 5. After the oil in the oil chamber S is drained, the reset mechanism releases the transmission connection between the housing 1 and clutch plate 3, and the clutch is disengaged.

[0066] The structure of a hybrid system constructed using a clutch according to a first embodiment of the present application will be described below.

[0067] like Figure 1CAs shown, the hybrid system includes an engine ICE, an electric motor EM and the above-mentioned clutch.

[0068] The engine ICE can be transmission-coupled to the shaft portion of the housing 1 via a vibration reduction mechanism (eg, a dual-mass flywheel), so that torque from the engine ICE can be transmitted to the housing 1 .

[0069] The rotor of the electric motor EM can be arranged radially outside the support plate 11 of the housing 1 and interference fit with the support plate 11 , whereby the support plate 11 serves as a rotor support for the rotor, so that the torque from the rotor can be transmitted to the housing 1 .

[0070] When the clutch is engaged, the torque of both the engine ICE and the electric motor EM can be transmitted to the outside of the clutch (e.g., a transmission) via the housing 1, the clutch plate 3, and the output shaft 5. When the clutch is disengaged, the torque of both the engine ICE and the electric motor EM is transmitted only to the housing 1.

[0071] In practice, the hybrid system may further include a transmission, the input shaft of which may be drivingly coupled to the output shaft 5 of the clutch, or the output shaft 5 may serve as the output shaft of the clutch and / or the input shaft of the transmission. This allows torque from both the engine (ICE) and the electric motor (EM) to be transmitted to the transmission via the clutch. Furthermore, in certain operating modes (e.g., brake energy recovery mode), torque from the transmission may be transmitted to the electric motor (EM) via the clutch.

[0072] In the hybrid system described above, the engine (ICE) and electric motor (EM) are permanently drive-coupled to clutch housing 1 , allowing their torque to be combined at housing 1 . This hybrid system implements a so-called P1 architecture. Alternatively, the electric motor (EM) can be positioned downstream of the clutch in the torque transmission path, thereby creating a so-called P2 architecture.

[0073] The structure of a clutch according to a second embodiment of the present application will be described below with reference to the accompanying drawings.

[0074] (Clutch according to the second embodiment of the present application)

[0075] like Figure 2 As shown, the structure of the clutch according to the second embodiment of the present application is basically the same as the structure of the clutch according to the first embodiment of the present application, and the differences between the two are mainly described below.

[0076] like Figure 2As shown, in this embodiment, the other axial end of the first tapered portion 22 is formed into a tilted structure that is bent radially outward. One end of the leaf spring 4, which serves as a reset mechanism, is connected to this tilted structure, and the other end is connected to the support plate 11 of the housing 1. The clutch according to the second embodiment of the present application can achieve the same effects as the clutch according to the first embodiment of the present application.

[0077] The present application is not limited to the above embodiments, and those skilled in the art can make various modifications to the above embodiments under the guidance of the present application without departing from the scope of the present application.

[0078] i. In a variation of the clutch of the second embodiment of the present application, housing 1 is composed of support plate 11, and cover plate 12 is omitted. In this variation, second tapered portion 111 is part of support plate 11. An oil chamber S is formed between support member 13 and pressure plate 2, and an oil passage 1p communicating with oil chamber S is formed in support member 13.

[0079] It can be understood that in the above embodiments and modifications, in order to ensure the sealing of the oil chamber S, a seal can be provided between the cover plate 12 and the pressure plate 2, a seal can be provided between the pressure plate 2 and the support component 13, and a sealing ring can be provided at the position where the support component 13 is connected to the cover plate 12.

[0080] ii. The above description uses multiple leaf springs 4 as the reset mechanism of the clutch, but the present application is not limited thereto. For example, a coil spring may be used as the reset mechanism. When a coil spring is used as the reset mechanism, the ends of the coil spring may not be connected to the housing 1 and the pressure plate 2, but may instead abut against the housing 1 and the pressure plate 2.

[0081] Although in the above embodiment, the leaf spring 4 is arranged between the pressure plate 2 and the second conical portion 111 of the housing 1 in a manner of applying a separation force, and the oil chamber S is used to apply an engagement force to the pressure plate 2 so that the pressure plate 2 overcomes the action of the leaf spring 4 and clamps the friction disc with the second conical portion 111 of the housing 1; however, alternatively, the leaf spring 4 can also be arranged between the pressure plate 2 and the second conical portion 111 of the housing 1 in a manner of applying a tensioning force, and the oil chamber S is used to apply a separation force to the pressure plate 2 so that the pressure plate 2 overcomes the action of the leaf spring 4 and separates from the second conical portion 111 of the housing 1, thereby releasing the friction disc and disconnecting the friction engagement.

[0082] iii. It can be understood that in the above specific embodiments, the clutch of the present application includes only one clutch disc 3 and only one pressure plate 2, thereby greatly reducing the number of components compared with the friction clutch mechanism of the existing wet multi-plate clutch constructed by multiple friction plates and pressure plates, so that the structure of the clutch of the present application is simplified and the cost is reduced.

[0083] iv. It is understood that the output shaft 5 may or may not be a part of the clutch of the present application. For example, the output shaft 5 may also be a part of the transmission or an intermediate component to connect the clutch and the transmission.

[0084] v. It can be understood that since torque is transmitted between the clutch housing 1 and the clutch disc 3 through friction torque, after the transmitted torque exceeds the limit of torque that can be transmitted by the friction clutch mechanism between the housing 1 and the clutch disc 3, slippage occurs between the housing 1 and the clutch disc 3. Therefore, the clutch according to the present application has a torque limiting function.

[0085] vi. The clutch of the present application is not limited to hybrid vehicles, but can also be used in conventional purely engine-driven vehicles and electric vehicles.

Claims

1. A clutch comprising: A housing (1), the housing (1) being used for transmission connection with a power source; A pressure plate (2), the pressure plate (2) being accommodated in the housing (1), the pressure plate (2) being capable of reciprocating along the axial direction (A) of the clutch, and an oil chamber (S) for actuating the pressure plate (2) being formed between the pressure plate (2) and the housing (1); A clutch disc (3), the clutch disc (3) being accommodated in the housing (1), the clutch disc (3) comprising a friction portion (32) between the housing (1) and the pressure plate (2), the friction portion (32) extending radially outward and extending obliquely toward the axial direction; as well as A spring mechanism is located between the housing (1) and the pressure plate (2) for applying a force to the pressure plate (2) so that the pressure plate (2) and the housing (1) can release the clutch disc (3) or clamp the clutch disc (3). When the pressure of the oil in the oil chamber (S) on the pressure plate (2) overcomes the elastic force of the spring mechanism, so that the pressure plate (2) and the housing (1) are clamped and abut against the friction portion (32), the housing (1) and the clutch disc (3) are transmission-coupled, and the clutch is in an engaged state; or when the pressure plate (2) and the housing (1) release the friction portion (32), the housing (1) and the clutch disc (3) are disengaged, and the clutch is in a disengaged state.

2. The clutch according to claim 1, characterized in that: The clutch disc (3) further includes a disc main body (31) and a disc engaging portion (33) fixed to the friction portion (32), wherein the disc main body (31) has a circular ring shape, the friction portion (32) is connected to the radially outer end edge of the disc main body (31), and the disc engaging portion (33) is connected to the radially inner end edge of the disc main body (31) and extends along the axial direction (A).

3. The clutch according to claim 2, characterized in that: The pressure plate (2) includes a plate main body (21) and a first conical portion (22), the plate main body (21) has a circular ring shape, the first conical portion (22) is connected to the radial outer end edge of the plate main body (21), and the first conical portion (22) is opposite to the friction portion (32) and extends parallel to the friction portion (32).

4. The clutch according to claim 3, characterized in that: The pressure plate (2) includes a plurality of insertion portions (23), which extend from the first conical portion (22) toward one axial side and are arranged at intervals along the circumference of the clutch. The housing (1) is formed with mounting holes corresponding to the plurality of insertion portions (23), and the plurality of insertion portions (23) are inserted into the corresponding mounting holes.

5. The clutch according to claim 3, characterized in that: The housing (1) is formed with a second conical portion (111), the second conical portion (111) is opposite to the friction portion (32) and extends parallel to the friction portion (32), and the second conical portion (111) and the first conical portion (22) are located on both sides of the friction portion (32).

6. The clutch according to claim 5, characterized in that: The housing (1) comprises a support plate (11), The second conical portion (111) is a part of the support plate (11), and the support plate (11) is used for transmission connection with a power source, and A support component (13) connected to the support plate (11) is also provided, an oil path (1p) communicating with the oil chamber (S) is formed in the support component (13), and the oil chamber (S) is formed between the support component (13) and the pressure plate (2).

7. The clutch according to claim 5, characterized in that: The housing (1) comprises a support plate (11) and a cover plate (12), The second conical portion (111) is a part of the support plate (11), and the support plate (11) is used for transmission connection with a power source. A support component (13) is also provided, the cover plate (12) is connected to the support plate (11) and the support component (13), the oil chamber (S) is formed between the pressure plate (2), the cover plate (12) and the support component (13), and An oil passage (1p) is formed in the supporting member (13).

8. The clutch according to any one of claims 1 to 7, characterized in that: The spring mechanism comprises a plurality of leaf springs (4) spaced apart in the circumferential direction of the clutch, one end of each leaf spring (4) being connected to the housing (1) and the other end being connected to the pressure plate (2).

9. The clutch according to claim 8, characterized in that: One end of the plurality of leaf springs (4) is connected to the radially outer end of the pressure plate (2), and the other end of the plurality of leaf springs (4) is connected to the shell (1); or, one end of the plurality of leaf springs (4) is connected to the middle part of the pressure plate (2), and the other end of the plurality of leaf springs (4) is connected to the shell (1).

10. A hybrid power system comprising: The clutch according to any one of claims 1 to 9; An engine (ICE), the engine (ICE) being transmission-connected to a housing (1) of the clutch; as well as An electric motor (EM), the electric motor (EM) is transmission-connected to the housing (1), or transmission-connected to the clutch disc (3).

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