Hybrid three-clutch device

Abstract

The present invention provides a hybrid three-clutch device, comprising: a support frame; a first clutch, the first clutch comprising a first clutch part and a second clutch part, the first clutch part and the second clutch part are respectively located on both sides of the support frame; a second clutch and a third clutch are respectively arranged on both sides of the support frame, the first clutch is located below the second clutch and the third clutch; a first shaft body connected to the first clutch; a second shaft body, sleeved on the first shaft body and connected to the second clutch; a third shaft body, sleeved on the first shaft body and connected to the third clutch. The present invention solves the problem of limited driving mode and excessive power loss in hybrid vehicles in the prior art.

Description

Technical Field

[0001] The present invention relates to the technical field of clutches, and in particular to a hybrid three-clutch device. Background Art

[0002] As people's awareness of environmental protection gradually increases and the time points for carbon peak and carbon neutrality are clarified, the new energy and hybrid vehicle markets will be further promoted to continue to develop, and the market position of hybrid vehicles will continue to improve.

[0003] As an important component of hybrid vehicles, hybrid transmission has a crucial impact on the vehicle's power and fuel economy.

[0004] At present, most dual-motor hybrid transmissions lack devices for flexible coupling and decoupling of the engine, drive motor and generator, which increases the internal rotational inertia during driving and causes unnecessary power loss (for example, when the engine is involved in driving, the engine and generator are not decoupled, and the engine is forced to drive the generator to rotate, causing power loss). A small number of dual-motor hybrid transmission solutions achieve mutual decoupling by adding multiple clutches between the engine, drive motor and generator, but this causes a waste of space and excessively increases the size of the transmission. Summary of the invention

[0005] The main purpose of the present invention is to provide a hybrid three-clutch device to solve the problems of limited driving modes and excessive power loss in existing hybrid electric vehicle technology.

[0006] In order to achieve the above-mentioned objectives, the present invention provides a hybrid three-clutch device, including: a support frame; a first clutch, the first clutch including a first clutch part and a second clutch part, the first clutch part and the second clutch part are respectively located on both sides of the support frame; a second clutch and a third clutch are respectively arranged on both sides of the support frame, and the first clutch is located below the second clutch and the third clutch; a first shaft body, connected to the first clutch; a second shaft body, sleeved on the first shaft body and connected to the second clutch; a third shaft body, sleeved on the first shaft body and connected to the third clutch.

[0007] Furthermore, the first clutch part and the second clutch part are symmetrically arranged relative to the frame body of the support frame, and the first clutch also includes: a first clutch cavity, arranged on the side of the support frame; a first clutch friction assembly, arranged in the first clutch cavity; a first clutch pressure plate, arranged on the side of the first clutch friction assembly away from the support frame, and the first clutch pressure plate is movably arranged in a direction close to or away from the first clutch friction assembly.

[0008] Furthermore, the first clutch also includes a first housing and a first piston, the first housing is fixedly connected to the first shaft, the first end of the first piston is connected to the first clutch pressure plate, and the second end of the first piston is connected to the first shaft. The hybrid three-clutch device also includes: a first oil channel, which is arranged in the first shaft; a first oil chamber, which is connected to the first oil channel, and the first oil chamber is located between the first housing and the first piston. The first piston is pushed to move by the oil in the first oil chamber, so that the first piston drives the first clutch pressure plate to move.

[0009] Furthermore, the first clutch also includes: a first reset elastic member; a first bearing, which is sleeved on the first shaft, the support frame is connected to the outer ring of the first bearing, and the two ends of the first reset elastic member are respectively connected to the outer ring of the first bearing and the first piston, and the elastic restoring force of the first reset elastic member pushes the first piston to move in a direction away from the first clutch friction assembly.

[0010] Furthermore, the second clutch includes: a second clutch chamber, arranged on the first side of the support frame; a second clutch friction assembly, arranged in the second clutch chamber; a second clutch pressure plate, arranged on the side of the second clutch friction assembly, and the second clutch pressure plate is movably arranged in a direction close to or away from the second clutch friction assembly.

[0011] Furthermore, the first clutch part includes a first housing part, both ends of which are respectively connected to the support frame and the first shaft body, and the second clutch includes a second piston, the first end of the second piston is connected to the second clutch pressure plate through a second thrust bearing, and the second end of the second piston is connected to the first shaft body; the hybrid three-clutch device also includes: a second oil channel, which is arranged in the first shaft body; a second oil chamber, which is connected to the second oil channel, and the second oil chamber is located between the first housing part and the second piston, and the second piston is pushed to move by the oil in the second oil channel, so that the second piston drives the second clutch pressure plate to move.

[0012] Furthermore, the second clutch also includes: a second reset elastic member; a second bearing, which is sleeved on the first shaft body, one end of the second reset elastic member is connected to the second piston, and the other end of the second reset elastic member is fixed on the first shaft body, and the second piston is driven to move in a direction away from the second clutch friction assembly through the elastic restoring force of the second reset elastic member.

[0013] Furthermore, the third clutch includes: a third clutch chamber, arranged on the second side of the support frame; a third clutch friction assembly, arranged in the third clutch chamber; a third clutch pressure plate, arranged on the side of the third clutch friction assembly, and the third clutch pressure plate is movably arranged in a direction close to or away from the third clutch friction assembly.

[0014] Furthermore, the second clutch part includes a second housing part, both ends of which are respectively connected to the support frame and the first shaft body, and the third clutch also includes a third piston, a first end of the third piston is connected to the third clutch pressure plate through a third thrust bearing, and a second end of the third piston is connected to the first shaft body; the hybrid three-clutch device also includes: a third oil channel, which is arranged in the first shaft body; a third oil chamber, which is connected to the third oil channel, and the third oil chamber is located between the second housing part and the third piston, and the third piston is pushed to move by the oil in the third oil chamber, so that the third piston drives the third clutch pressure plate to move.

[0015] Furthermore, the third clutch also includes: a third reset elastic member; a third bearing, which is sleeved on the first shaft body, one end of the third reset elastic member is connected to the third piston, and the other end of the third reset elastic member is fixed on the first shaft body, and the third piston is driven to move in a direction away from the third clutch friction assembly through the elastic restoring force of the third reset elastic member.

[0016] According to the technical solution of the present invention, a hybrid three-clutch device includes a support frame, and a first clutch, a second clutch and a third clutch are all arranged on the support frame, wherein the second clutch and the third clutch are located on both sides of the support frame, and the first clutch is located below the second clutch and the third clutch. The first clutch includes a first clutch part and a second clutch part, and the first clutch part and the second clutch part are respectively located on both sides of the support frame. The first clutch is connected to the first shaft, the second clutch is connected to the second shaft, and the third clutch is connected to the third shaft, and the second shaft and the third shaft are both sleeved on the first shaft, so that the first shaft, the second shaft and the third shaft can be coupled in pairs or all three shafts can be coupled to realize different transmission modes, thereby solving the problems of limited driving modes and excessive power loss in hybrid vehicles in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0018] Figure 1 It shows a schematic structural diagram of an embodiment of a hybrid three-clutch device according to the present invention;

[0019] Figure 2 A schematic structural diagram of a second clutch and a third clutch of a hybrid three-clutch device according to the present invention is shown;

[0020] Figure 3 A schematic structural diagram of a first clutch of a hybrid three-clutch device according to the present invention is shown;

[0021] Figure 4A schematic structural diagram of a first shaft body of a hybrid three-clutch device according to the present invention is shown.

[0022] The above drawings include the following reference numerals:

[0023] 100, support frame; 101, first support shell; 1, first clutch; 11, first clutch part; 111, first housing part; 12, second clutch part; 120, second housing part; 13, first clutch chamber; 14, first clutch friction assembly; 15, first clutch pressure plate; 16, first housing; 17, first piston; 18, first resetting elastic member; 19, first bearing;

[0024] 2. second clutch; 20. second clutch chamber; 21. second clutch friction assembly; 22. second clutch pressure plate; 23. second piston; 24. second resetting elastic member; 25. second bearing; 26. second support shell; 27. second thrust bearing;

[0025] 3. Third clutch; 30. Third clutch chamber; 31. Third clutch friction assembly; 32. Third clutch pressure plate; 33. Third piston; 34. Third resetting elastic member; 35. Third bearing; 36. Third support shell; 37. Third thrust bearing;

[0026] 4. first shaft body; 40. first oil passage; 41. first oil chamber; 42. second oil passage; 43. second oil chamber; 44. third oil passage; 45. third oil chamber; 5. second shaft body; 6. third shaft body;

[0027] 7. Limit block; 8. Lubricating oil channel; 80. Lubricating branch. DETAILED DESCRIPTION

[0028] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0029] Please refer to Figures 1 to 4The present invention provides a hybrid three-clutch device, comprising: a support frame 100; a first clutch 1, the first clutch 1 comprising a first clutch part 11 and a second clutch part 12, the first clutch part 11 and the second clutch part 12 are respectively located on both sides of the support frame 100; a second clutch 2 and a third clutch 3 are respectively arranged on both sides of the support frame 100, the first clutch 1 is located below the second clutch 2 and the third clutch 3; a first shaft 4, connected to the first clutch 1; a second shaft 5, sleeved on the first shaft 4 and connected to the second clutch 2; a third shaft 6, sleeved on the first shaft 4 and connected to the third clutch 3. The second shaft 5 and the third shaft 6 are both sleeved on the first shaft 4, so that the first shaft 4, the second shaft 5 and the third shaft 6 can be coupled in pairs or all three shafts can be coupled to achieve different transmission modes, solving the problem of limited driving mode and excessive power loss in hybrid vehicles in the prior art.

[0030] Specifically, Figure 2 As shown, the first clutch part 11 and the second clutch part 12 are symmetrically arranged relative to the frame body of the support frame 100, and the first clutch 1 also includes: a first clutch cavity 13, arranged on the side of the support frame 100; a first clutch friction assembly 14, arranged in the first clutch cavity 13; a first clutch pressure plate 15, arranged on the side of the first clutch friction assembly 14 away from the support frame 100, and the first clutch pressure plate 15 is movably arranged in a direction close to or away from the first clutch friction assembly 14. In this arrangement, the first clutch pressure plate 15 is used to push the first clutch friction assembly 14 to move, so that the first clutch works.

[0031] Among them, the first clutch friction component 14 includes multiple friction plates, the first clutch friction component 14 is divided into a first component and a second component, the first component and the second component are symmetrically arranged relative to the support frame 100, there are two first clutch pressure plates 15, and the two first clutch pressure plates 15 are respectively arranged corresponding to the first component and the second component. Under the action of the first clutch pressure plate 15, the multiple friction plates in the first component and the multiple friction plates in the second component all move toward the direction of the support frame 100.

[0032] In order to drive the first clutch pressure plate 15 to move, the first clutch 1 also includes a first housing 16 and a first piston 17. The first housing 16 is fixedly connected to the first shaft 4. The first end of the first piston 17 is connected to the first clutch pressure plate 15. The second end of the first piston 17 is connected to the first shaft 4. The hybrid three-clutch device also includes: a first oil channel 40, which is arranged in the first shaft 4; a first oil chamber 41, which is connected to the first oil channel 40, and the first oil chamber 41 is located between the first housing 16 and the first piston 17. The first piston 17 is pushed to move by the oil in the first oil chamber 41, so that the first piston 17 drives the first clutch pressure plate 15 to move. Specifically, a first seal is provided between the first piston 17 and the first shaft body 4, a second seal is provided between the first housing 16 and the first piston 17, and the first oil chamber 41 is located between the second seal, the first housing 16, the first shaft body 4 and the first piston 17, so that the first oil chamber 41 forms a closed space. When the oil rushes out from the first oil channel 40, the oil has sufficient pressure to push the first piston 17 to move, so as to give power to the first clutch pressure plate 15.

[0033] In addition, a first supporting shell 101 is disposed on the supporting frame 100 and is spaced apart from the first housing 16 , so as to form a first clutch cavity 13 between the first housing 16 and the first supporting shell 101 .

[0034] In a specific implementation, the first clutch 1 also includes: a first reset elastic member 18; a first bearing 19, which is sleeved on the first shaft body 4, and the support frame 100 is connected to the outer ring of the first bearing 19, and the two ends of the first reset elastic member 18 are respectively connected to the outer ring of the first bearing 19 and the first piston 17, and the elastic restoring force of the first reset elastic member 18 pushes the first piston 17 to move in a direction away from the first clutch friction assembly 14.

[0035] When the system receives the engagement command of the first clutch 1, the oil passes through the first oil channel 40 to the first oil chamber 41, pushing the first piston 17 to make the first clutch pressure plate 15 squeeze the first clutch friction assembly 14, and the first reset elastic member 18 is compressed. When the system receives the disengagement command of the first clutch 1, the oil is released, and the first reset elastic member 18 pushes the first piston 17 to move, and at the same time drives the first clutch pressure plate 15 to move in the direction away from the first clutch friction assembly 14.

[0036] The outer ring of the first bearing 19 is also fixedly connected to the limit block 7, and one end of the first resetting elastic member 18 away from the first piston 17 is connected to the limit block 7. Preferably, the first resetting elastic member 18 is a spring.

[0037] In the embodiments provided by the present invention, Figure 3As shown, the second clutch 2 includes: a second clutch cavity 20, which is arranged on the first side of the support frame 100; a second clutch friction assembly 21, which is arranged in the second clutch cavity 20; a second clutch pressure plate 22, which is arranged on the side of the second clutch friction assembly 21, and the second clutch pressure plate 22 is movably arranged in a direction close to or away from the second clutch friction assembly 21. The second clutch pressure plate 22 is arranged in the second clutch cavity 20, and the second clutch friction assembly 21 is squeezed by the second clutch pressure plate 22, so that the second clutch 2 is in a working state.

[0038] Specifically, the first clutch part 11 includes a first housing part 111, and the two ends of the first housing part 111 are respectively connected to the support frame 100 and the first shaft body 4. The second clutch 2 includes a second piston 23. The first end of the second piston 23 is connected to the second clutch pressure plate 22 through a second thrust bearing 27, and the second end of the second piston 23 is connected to the first shaft body 4; the hybrid three-clutch device also includes: a second oil channel 42, which is arranged in the first shaft body 4; a second oil chamber 43, the second oil chamber 43 is connected to the second oil channel 42, and the second oil chamber 43 is located between the first housing part 111 and the second piston 23. The oil in the second oil channel 42 pushes the second piston 23 to move, so that the second piston 23 drives the second clutch pressure plate 22 to move. Among them, a third seal is provided between the second piston 23 and the first shaft body 4, a fourth seal is provided between the first housing part 111 and the second piston 23, and the second oil chamber 43 is located between the first housing part 111, the fourth seal, the first shaft body 4 and the second piston 23, so that during the oil circulation process, a sealed second oil chamber 43 is formed so that the oil exerts a force on the second piston 23 to push the second clutch pressure plate 22 to move. The second piston 23 is connected to the second clutch pressure plate 22 through the second thrust bearing 27, so that when the second piston 23 drives the second clutch pressure plate 22 to move, the force exerted by the second piston 23 on the second clutch pressure plate 22 will not be reduced due to the rotation of the second clutch pressure plate 22, thereby improving the pressure effect on the second clutch pressure plate 22.

[0039] Among them, a first protective cover is arranged on the top of the support frame 100, and a second support shell 26 is arranged on the second shaft body 5. The second support shell 26 includes a first shell and a second shell connected to each other. The first shell is connected to the second shaft body 5, and the second shell extends from one end of the first shell away from the second shaft body toward the direction of the support frame 100 to form a second clutch cavity 20 between the first protective cover and the second support shell 26.

[0040] In order to facilitate the resetting of the second clutch pressure plate 22, the second clutch 2 also includes: a second resetting elastic member 24; a second bearing 25, which is sleeved on the first shaft body 4, one end of the second resetting elastic member 24 is connected to the second piston 23, and the other end of the second resetting elastic member 24 is fixed to the first shaft body 4 through a snap ring, and the elastic restoring force of the second resetting elastic member 24 drives the second piston 23 and the second clutch pressure plate 22 to move in a direction away from the second clutch friction assembly 21. During the application process, the second piston 23 drives the second clutch pressure plate 22 to move under the pressure of the oil, squeezing the second clutch friction assembly 21, at which time the second resetting elastic member 24 is compressed, and when the oil pressure is released, the second piston 23 is pushed to move to the initial position under the elastic restoring force of the second resetting elastic member 24, and at the same time, the second piston 23 drives the second clutch pressure plate 22 to move to the initial position.

[0041] Preferably, the second reset elastic member 24 is a first elastic sheet, which includes a first sheet body, a second sheet body and a third sheet body connected in sequence, the first sheet body is connected to the outer ring of the second bearing 25, the third sheet body is connected to the second piston 23, and there is a first angle between the first sheet body and the second sheet body, and the first angle is an obtuse angle. There is a second angle between the second sheet body and the third sheet body, and the second angle is an obtuse angle. In this way, the elastic restoring force of the second reset elastic member 24 is more easily applied to the second piston 23, wherein the first sheet body, the second sheet body and the third sheet body are integrally formed.

[0042] In the embodiments provided by the present invention, Figure 3 As shown, the third clutch 3 includes: a third clutch cavity 30, which is arranged on the first side of the support frame 100; a third clutch friction assembly 31, which is arranged in the third clutch cavity 30; a third clutch pressure plate 32, which is arranged on the side of the third clutch friction assembly 31, and the third clutch pressure plate 32 is movably arranged in a direction close to or away from the third clutch friction assembly 31. The third clutch pressure plate 32 is arranged in the third clutch cavity 30, and the third clutch friction assembly 31 is squeezed by the third clutch pressure plate 32, so that the third clutch 3 is in a working state.

[0043] Specifically, the second clutch part 12 includes a second housing part 120, and the two ends of the second housing part 120 are respectively connected to the support frame 100 and the first shaft body 4. The third clutch 3 includes a third piston 33. The first end of the third piston 33 is connected to the third clutch pressure plate 32 through a third thrust bearing 37, and the second end of the third piston 33 is connected to the first shaft body 4; the hybrid three-clutch device also includes: a third oil channel 44, which is arranged in the first shaft body 4; a third oil chamber 45, the third oil chamber 45 is connected to the third oil channel 44, and the third oil chamber 45 is located between the second housing part 120 and the third piston 33. The third piston 33 is pushed to move by the oil in the third oil chamber 45, so that the third piston 33 drives the third clutch pressure plate 32 to move. Among them, a fifth seal is provided between the third piston 33 and the first shaft body 4, a sixth seal is provided between the second housing part 120 and the third piston 33, and the third oil chamber 45 is located between the sixth seal, the second housing part 120, the first shaft body 4 and the third piston 33. During the oil circulation process, the third oil chamber 45 is relatively sealed to apply sufficient pressure to the third piston 33 to push the third clutch pressure plate 32 to move. The third piston 33 is connected to the third clutch pressure plate 32 through the third thrust bearing 37. During the process of the third piston 33 driving the third clutch pressure plate 32 to move, the problem of insufficient thrust of the third piston 33 caused by the rotation of the third clutch pressure plate 32 is avoided.

[0044] Among them, a first protective cover is arranged on the top of the support frame 100, and a third support shell 36 is arranged on the third shaft body 6. The third support shell 36 includes a first shell and a third shell connected to each other. The first shell is connected to the third shaft body 6, and the third shell extends from one end of the first shell away from the third shaft body toward the direction of the support frame 100 to form a third clutch cavity 30 between the first protective cover and the third support shell 36.

[0045] In order to facilitate the reset of the third clutch pressure plate 32, the third clutch 3 also includes: a third reset elastic member 34; a third bearing 35, which is sleeved on the first shaft body 4, one end of the third reset elastic member 34 is connected to the third piston 33, and the other end of the third reset elastic member 34 is fixed to the first shaft body 4 through a snap ring, and the elastic restoring force of the third reset elastic member 34 drives the third piston 33 and the third clutch pressure plate 32 to move in a direction away from the third clutch friction assembly 31. During use, the third piston 33 drives the third clutch pressure plate 32 to move under the pressure of the oil, squeezing the third clutch friction assembly 31, and the third reset elastic member 34 is compressed at this time. When the oil pressure is released, the third piston 33 is pushed to move to the initial position under the elastic restoring force of the third reset elastic member 34, and the third piston 33 drives the third clutch pressure plate 32 to move to the initial position.

[0046] Preferably, the third reset elastic member 34 is a first elastic sheet, the first elastic sheet includes a fourth sheet, a fifth sheet and a sixth sheet connected in sequence, the fourth sheet is connected to the outer ring of the third bearing 35, the sixth sheet is connected to the third piston 33, there is a third angle between the fourth sheet and the fifth sheet, the third angle is an obtuse angle, there is a fourth angle between the fifth sheet and the sixth sheet, the fourth angle is an obtuse angle, so that the elastic restoring force of the third reset elastic member 34 is more easily applied to the third piston 33, wherein the fourth sheet, the fifth sheet and the sixth sheet are integrally formed.

[0047] In the present application, a lubricating oil passage 8 and a plurality of lubricating branches 80 are also provided in the first shaft body 4. The lubricating oil passage 8 extends along the axial direction of the first shaft body 4. The lubricating oil is introduced into each clutch by means of the plurality of lubricating branches 80, and enters each clutch friction assembly by centrifugal force, and then flows out of the clutch friction assembly to take away the heat generated by the clutch action. The second shaft body 5 is sleeved on the first end of the first shaft body 4 through the second bearing 25, and the third shaft body 6 is sleeved on the second end of the first shaft body 4 through the third bearing 35.

[0048] In actual application, the radial size of the first clutch friction component 14 is smaller than that of the second clutch friction component 21 and the third clutch friction component 31. The axial space of the first clutch friction component 14 is large, and more friction plates can be provided for the first clutch friction component 14. While being highly integrated and reducing the volume of the entire device, it can transmit the same torque as the second clutch 2 and the third clutch 3.

[0049] The coupling mode and working principle of the hybrid three-clutch device of the present application are as follows:

[0050] 1) The first shaft body 4 and the second shaft body 5 are coupled, and the hydraulic oil is respectively filled into the first oil chamber 41 and the second oil chamber 43 through the first oil passage 40 and the second oil passage 42, pushing the first piston 17 and the second piston 23 to respectively press the first clutch friction assembly 14 and the second clutch friction assembly 21, and the force transmitted by the first shaft body 4 and the second shaft body 5 is coupled through the first clutch 1, the second clutch 2 and the support frame 100.

[0051] 2) Coupling of the first shaft 4 and the third shaft 6: The hydraulic oil fills the first oil chamber 41 and the third oil chamber 45 through the first oil channel 40 and the third oil channel 44 respectively, pushing the first piston 17 and the third piston 33 to press the first clutch friction assembly 14 and the third clutch friction assembly 31 respectively, and the force transmitted by the first shaft 4 and the third shaft 6 is coupled through the first clutch 1, the third clutch 3 and the support frame 100.

[0052] 3) Coupling of the second shaft 5 and the third shaft 6: The hydraulic oil fills the second oil chamber 43 and the third oil chamber 45 through the second oil channel 42 and the third oil channel 44 respectively, pushing the second piston 23 and the third piston 33 to press the second clutch friction assembly 21 and the third clutch friction assembly 31 respectively. The force transmitted by the second shaft 5 and the third shaft 6 is coupled through the second clutch 2, the third clutch 3 and the support frame 100.

[0053] 4) The first shaft body 4, the second shaft body 5 and the third shaft body 6 are coupled: the hydraulic oil is respectively filled into the first oil chamber 41, the second oil chamber 43 and the third oil chamber 45 through the first oil channel 40, the second oil channel 42 and the third oil channel 44, pushing the first piston 17, the second piston 23 and the third piston 33 to respectively press the first clutch friction assembly 14, the second clutch friction assembly 21 and the third clutch friction assembly 31, and the force transmitted by the first shaft body 4, the second shaft body 5 and the third shaft body 6 is coupled through the first clutch 1, the second clutch 2, the third clutch 3 and the support frame 100.

[0054] See the table below for details

[0055] Coupling Mode

[0056]

[0057] In the table, axis 1 is the first axis 4 , axis 2 is the second axis 5 , and axis 3 is the third axis 6 .

[0058] The first shaft 4, the second shaft 5 and the third shaft 6 can be used as both input shafts and output shafts. For example: the first shaft 4 is connected to the engine, the second shaft 5 is connected to the motor 1, the third shaft 6 is connected to one side of the motor 2, and the other side of the motor 2 is connected to the transmission system. The coupling mode is ①: if the first shaft 4 is the input shaft and the second shaft 5 is the output shaft, it can be used as the engine driving the motor 1 power generation mode. If the first shaft 4 is the output shaft and the second shaft 5 is the input shaft, it can be used as the motor 1 driving the engine starter. If the first shaft 4 is the input shaft and the second shaft 5 is the input shaft, it can be used as the engine and the motor 1 parallel drive mode. The coupling mode is ②: if the first shaft 4 is the output shaft and the third shaft 6 is the output shaft, it can be used as the engine driving the motor 1 power generation mode. is the input shaft, then it can be used as motor two to drive the engine to start. If the first shaft 4 is the input shaft and the third shaft 6 is the input shaft, then it can be used as the parallel drive mode of the engine and motor two. The coupling mode is ③: if the first shaft 4 is the input shaft and the third shaft 6 is the input shaft, then it can be used as the parallel drive mode of motor one and motor two. The coupling mode is ④: if the first shaft 4 is the input shaft, the second shaft 5 is the input shaft and the third shaft 6 is the input shaft, then it can be used as the parallel drive mode of the engine, motor one and motor two. The above are just examples of modes in some actual applications, and do not cover the extended modes in all applications of the device.

[0059] From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:

[0060] The hybrid three-clutch device provided according to the present invention includes a support frame 100, a first clutch 1, a second clutch 2 and a third clutch 3 are all arranged on the support frame 100, wherein the second clutch 2 and the third clutch 3 are located on both sides of the support frame 100, and the first clutch 1 is located below the second clutch 2 and the third clutch 3. The first clutch 1 includes a first clutch part 11 and a second clutch part 12, and the first clutch part 11 and the second clutch part 12 are respectively located on both sides of the support frame 100. The first clutch 1 is connected to the first shaft body 4, the second clutch 2 is connected to the second shaft body 5, and the third clutch 3 is connected to the third shaft body 6. The second shaft body 5 and the third shaft body 6 are both sleeved on the first shaft body 4. In this way, the first shaft body 4, the second shaft body 5 and the third shaft body 6 can be coupled in pairs or all three shaft bodies can be coupled to achieve different transmission modes, thereby solving the problem of limited driving mode and excessive power loss in hybrid vehicles in the prior art.

[0061] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A hybrid three-clutch device, characterized in that: include: Support frame (100); A first clutch (1), the first clutch (1) comprising a first clutch portion (11) and a second clutch portion (12), the first clutch portion (11) and the second clutch portion (12) being respectively located on two sides of the support frame (100); The second clutch (2) and the third clutch (3) are respectively arranged on both sides of the support frame (100), and the first clutch (1) is located below the second clutch (2) and the third clutch (3); A first shaft (4) connected to the first clutch (1); A second shaft (5) is sleeved on the first shaft (4) and connected to the second clutch (2); The third shaft (6) is sleeved on the first shaft (4) and connected to the third clutch (3).

2. The hybrid three-clutch device according to claim 1, characterized in that: The first clutch part (11) and the second clutch part (12) are symmetrically arranged relative to the frame body of the support frame (100), and the first clutch (1) further comprises: A first clutch chamber (13) is arranged on the side of the support frame (100); A first clutch friction assembly (14), arranged in the first clutch cavity (13); The first clutch pressure plate (15) is arranged on a side of the first clutch friction component (14) away from the support frame (100), and the first clutch pressure plate (15) is movably arranged in a direction approaching or away from the first clutch friction component (14).

3. The hybrid three-clutch device according to claim 2, characterized in that: The first clutch (1) further comprises a first housing (16) and a first piston (17), wherein the first housing (16) is fixedly connected to the first shaft (4), a first end of the first piston (17) is connected to the first clutch pressure plate (15), and a second end of the first piston (17) is connected to the first shaft (4), and the hybrid three-clutch device further comprises: A first oil passage (40) is arranged in the first shaft body (4); A first oil chamber (41), the first oil chamber (41) is connected to the first oil passage (40), the first oil chamber (41) is located between the first housing (16) and the first piston (17), and the first piston (17) is pushed to move by the oil in the first oil chamber (41), so that the first piston (17) drives the first clutch pressure plate (15) to move.

4. The hybrid three-clutch device according to claim 3, characterized in that: The first clutch (1) further comprises: A first resetting elastic member (18); The first bearing (19) is sleeved on the first shaft (4), the support frame (100) is connected to the outer ring of the first bearing (19), and the two ends of the first reset elastic member (18) are respectively connected to the outer ring of the first bearing (19) and the first piston (17), and the first piston (17) is pushed to move in a direction away from the first clutch friction assembly (14) by the elastic restoring force of the first reset elastic member (18).

5. The hybrid three-clutch device according to claim 1, characterized in that: The second clutch (2) comprises: A second clutch cavity (20) is arranged on a first side of the support frame (100); A second clutch friction assembly (21), disposed in the second clutch cavity (20); The second clutch pressure plate (22) is arranged on the side of the second clutch friction assembly (21), and a second thrust bearing (27) is provided on the second clutch pressure plate (22). The second clutch pressure plate (22) is movably arranged in a direction close to or away from the second clutch friction assembly (21).

6. The hybrid three-clutch device according to claim 5, characterized in that: The first clutch part (11) comprises a first housing part (111), the two ends of the first housing part (111) are respectively connected to the support frame (100) and the first shaft (4), the second clutch (2) comprises a second piston (23), the first end of the second piston (23) is connected to the second clutch pressure plate (22) via a second thrust bearing (27), and the second end of the second piston (23) is connected to the first shaft (4); the hybrid three-clutch device also includes: A second oil passage (42) is arranged in the first shaft body (4); A second oil chamber (43), the second oil chamber (43) is connected to the second oil passage (42), the second oil chamber (43) is located between the first housing portion (111) and the second piston (23), and the oil in the second oil passage (42) pushes the second piston (23) to move, so that the second piston (23) drives the second clutch pressure plate (22) to move.

7. The hybrid three-clutch device according to claim 6, characterized in that: The second clutch (2) further comprises: A second resetting elastic member (24); The second bearing (25) is sleeved on the first shaft (4); one end of the second reset elastic member (24) is connected to the second piston (23); the other end of the second reset elastic member (24) is fixed on the first shaft (4); and the second piston (23) is driven to move in a direction away from the second clutch friction assembly (21) by the elastic restoring force of the second reset elastic member (24).

8. The hybrid three-clutch device according to claim 1, characterized in that: The third clutch (3) comprises: A third clutch chamber (30) is arranged on the second side of the support frame (100); A third clutch friction assembly (31), arranged in the third clutch chamber (30); The third clutch pressure plate (32) is arranged on the side of the third clutch friction assembly (31), and a third thrust bearing (37) is provided on the third clutch pressure plate (32). The third clutch pressure plate (32) is movably arranged in a direction close to or away from the third clutch friction assembly (31).

9. The hybrid three-clutch device according to claim 8, characterized in that: The second clutch part (12) comprises a second housing part (120), the two ends of the second housing part (120) are respectively connected to the support frame (100) and the first shaft (4), the third clutch (3) comprises a third piston (33), the first end of the third piston (33) is connected to the third clutch pressure plate (32) via a third thrust bearing (37), and the second end of the third piston (33) is connected to the first shaft (4); the hybrid three-clutch device also includes: A third oil passage (44) is arranged in the first shaft body (4); A third oil chamber (45), wherein the third oil chamber (45) is connected to the third oil passage (44), and the third oil chamber (45) is located between the second housing portion (120) and the third piston (33). The oil in the third oil chamber (45) pushes the third piston (33) to move, so that the third piston (33) drives the third clutch pressure plate (32) to move.

10. The hybrid three-clutch device according to claim 9, characterized in that: The third clutch (3) further comprises: A third resetting elastic member (34); The third bearing (35) is sleeved on the first shaft (4); one end of the third reset elastic member (34) is connected to the third piston (33); the other end of the third reset elastic member (34) is fixed on the first shaft (4); the third piston (33) is driven to move in a direction away from the third clutch friction assembly (31) by the elastic restoring force of the third reset elastic member (34).

Images