CN220505633U - Disconnect clutch for power split type hybrid system - Google Patents
Disconnect clutch for power split type hybrid system Download PDFInfo
- Publication number
- CN220505633U CN220505633U CN202322083892.3U CN202322083892U CN220505633U CN 220505633 U CN220505633 U CN 220505633U CN 202322083892 U CN202322083892 U CN 202322083892U CN 220505633 U CN220505633 U CN 220505633U
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- Prior art keywords
- piston
- shell
- outer shell
- balance
- spring
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- 238000007789 sealing Methods 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 239000003921 oil Substances 0.000 claims description 32
- 238000000926 separation method Methods 0.000 claims description 16
- 239000002783 friction material Substances 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 239000010687 lubricating oil Substances 0.000 claims description 4
- 239000000314 lubricant Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model discloses a disconnect clutch for a power split type hybrid system, and particularly relates to the field of automobile accessories, which comprises a main hub, wherein an outer shell is arranged on one side of the main hub, a piston disc is arranged between the outer shell and the main hub, a sealing lip is arranged on the piston disc and is movably connected with the outer shell, a piston shell is arranged on the inner side of the piston disc, and a sealing lip is arranged on the piston shell and is movably connected with the piston disc; the main hub is away from the outer casing one end outside and inlays and be equipped with the jump ring for the axle, be equipped with balanced piston between jump ring for the axle and the piston housing. The utility model aims at the disconnection clutch specially developed for the power split system, meets the requirement of the power split system, and enables the power of the engine to be smoothly connected or disconnected with the hybrid system through the friction pair; the design of the balance oil cavity is reserved, so that centrifugal forces generated by the liquid in the pressure oil cavity and the balance oil cavity are mutually offset, the whole vehicle calibration is facilitated, and the system control is facilitated.
Description
Technical Field
The utility model relates to the technical field of automobile accessories, in particular to a disconnect clutch for a power split type hybrid system.
Background
In order to reduce energy consumption and improve the efficiency of the whole vehicle, the scale of the hybrid power in the automobile market is gradually increased, and various hybrid power gearboxes are layered endlessly, wherein a power split system based on a planetary gear set is the most important implementation mode in the field of hybrid power. There is no clutch available on the market for engines and such hybrid systems, and therefore the development of a disconnect clutch exclusively is urgent.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, an embodiment of the present utility model provides a disconnect clutch for a power split hybrid system, which solves the technical problems: how to prepare a clutch suitable for use in an engine and a hybrid system.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the disconnection clutch for the power split type hybrid system comprises a main hub, wherein an outer shell is arranged on one side of the main hub, a piston disc is arranged between the outer shell and the main hub, a sealing lip is arranged on the piston disc and is movably connected with the outer shell, a piston shell is arranged on the inner side of the piston disc, and a sealing lip is arranged on the piston shell and is movably connected with the piston disc;
the main hub is embedded with a clamping spring for a shaft outside one end far away from the outer shell, a balance piston is arranged between the clamping spring for the shaft and the piston shell, a sealing lip is arranged at the joint of the balance piston and the piston shell, a balance oil cavity is formed between the balance piston and the piston shell, a diaphragm spring is arranged between the balance piston and the piston shell, and two ends of the diaphragm spring are fixedly connected with the balance piston and the piston shell respectively;
an inner shell is arranged on one side of the outer shell, a plurality of groups of friction plates and separation plates are arranged between the inner shell and the outer shell, the friction plates are connected with the inner shell through splines, torque is transmitted to the inner shell through the friction plates and then is transmitted to other parts, and oil holes are formed in the spline positions, so that cooling oil can pass through conveniently; the division board passes the spline and is connected with the shell body, carries out spline connection through the backplate between the outside division board and the shell body, and backplate one side is spacing through the casing jump ring axis.
In a preferred embodiment, the main hub has splines thereon as clutch torque inputs;
the connection part of the main hub and the snap spring for the shaft is provided with a snap spring groove, the right side of the snap spring for the shaft is movably connected with the balance piston, and the spring force of the diaphragm spring is fixed on the snap spring for the shaft through the balance piston;
-the main hub is fixedly connected to the outer shell by welding;
-the main hub has pressure oil holes inside; the inside has the lubricant hole, leads lubricating oil into the balance oil pocket.
In a preferred embodiment, the balance piston is fixed on the left side on the clamping spring for the shaft, and the right side supports the spring force of the diaphragm spring;
when the pressure in the balance oil cavity is smaller, the diaphragm spring compresses the balance piston at an initial position; when the pressure in the balance oil cavity is increased and the spring force of the diaphragm spring is overcome, the balance piston moves leftwards, so that the friction plate and the separation plate are pressed, and the clutch is combined.
In a preferred embodiment, the friction plate is composed of a left friction material plate, a right friction material plate and a middle core plate, the left friction material plate, the right friction material plate, the separation plate or the back plate form a friction pair, and torque is transmitted.
In a preferred embodiment, the housing snap spring is fixedly connected in a snap spring groove of the outer housing, and as an axial limit of the friction pair and the back plate, axial forces from the balance piston and the friction pair are borne.
In a preferred embodiment, the outer shell is connected with the main hub through welding, the outer shell is connected with the partition plate and the back plate through a spline, an oil hole is formed in the spline to enable cooling oil to pass through quickly, and a limiting surface is arranged on the outer shell and connected with the piston disc to be used as an initial position limit of the piston disc.
In a preferred embodiment, the piston disc is axially reciprocated;
the initial position is pressed on the outer shell by the diaphragm spring;
the piston disc, the main hub and the outer housing form a piston cavity.
In a preferred embodiment, when the liquid pressure in the piston cavity increases, the piston disc is pushed to move leftwards, so that the friction plate and the separation plate are pressed, and the clutch is combined;
when the liquid pressure in the piston cavity is reduced, the diaphragm spring pushes the piston disc to move rightwards, at the moment, the friction plate and the separation plate are separated, and the clutch is opened.
The utility model has the technical effects and advantages that:
the utility model aims at the disconnection clutch specially developed for the power split system, meets the requirement of the power split system, and enables the power of the engine to be smoothly connected or disconnected with the hybrid system through the friction pair; the design of the balance oil cavity is reserved, so that centrifugal forces generated by the liquid in the pressure oil cavity and the balance oil cavity are mutually offset, the whole vehicle calibration is facilitated, and the system control is facilitated.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
FIG. 2 is a torque transfer schematic of the present utility model.
Fig. 3 is a schematic view of the pressure and lubrication circuit of the present utility model.
The reference numerals are: the novel high-pressure piston comprises a main hub 1, a clamping spring for a shaft 2, a balance piston 3, a diaphragm spring 4, an inner shell 5, a back plate 6, a friction plate 7, a partition plate 8, a clamping spring for a shell 9, an outer shell 10, a piston disc 11 and a piston shell 12.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a disconnect clutch for a power split type hybrid system, which comprises a main hub 1, wherein one side of the main hub 1 is provided with an outer shell 10, a piston disc 11 is arranged between the outer shell 10 and the main hub 1, a sealing lip is arranged on the piston disc 11 and is movably connected with the outer shell 10, a piston shell 12 is arranged on the inner side of the piston disc 11, the piston shell 12 is provided with a sealing lip and is movably connected with the piston disc 11, and the piston disc 11 performs axial reciprocating motion;
an initial position, pressed against the outer housing 10 by the diaphragm spring 4;
the piston disc 11, the main hub 1 and the outer housing 10 form a piston chamber;
when the liquid pressure in the piston cavity is increased, the piston disc 11 is pushed to move leftwards, and then the friction plate 7 and the partition plate 8 are pressed tightly, so that the clutch is combined;
when the liquid pressure in the piston cavity is reduced, the diaphragm spring 4 pushes the piston disc 11 to move rightwards, at the moment, the friction plate 7 and the partition plate 8 are separated, and the clutch is opened;
the main hub 1 is embedded with a clamping spring 2 for a shaft at the outer side of one end far away from the outer shell 10, a balance piston 3 is arranged between the clamping spring 2 for the shaft and the piston shell 12, a sealing lip is arranged at the joint of the balance piston 3 and the piston shell 12, a balance oil cavity is formed between the balance piston and the piston shell 12, a diaphragm spring 4 is arranged between the balance piston 3 and the piston shell 12, two ends of the diaphragm spring 4 are fixedly connected with the balance piston 3 and the piston shell 12 respectively, and a spline is arranged on the main hub 1 and used as clutch torque input;
the connection part of the main hub 1 and the shaft clamp spring 2 is provided with a clamp spring groove, the right side of the shaft clamp spring 2 is movably connected with the balance piston 3, the spring force of the diaphragm spring 4 is fixed on the shaft clamp spring 2 through the balance piston 3, the left side of the balance piston 3 is fixed on the shaft clamp spring 2, and the right side supports the spring force of the diaphragm spring 4;
when the pressure in the balance oil cavity is smaller, the diaphragm spring 4 compresses the balance piston 3 at the initial position; when the pressure in the balance oil cavity is increased and the spring force of the diaphragm spring 4 is overcome, the balance piston 3 moves leftwards, so that the friction plate 7 and the partition plate 8 are pressed tightly, and the clutch is combined;
the main hub 1 is fixedly connected to the outer shell 10 by welding;
the main hub 1 has a pressure oil hole inside; a lubricating oil hole is formed in the inner part of the balance oil cavity for guiding lubricating oil into the balance oil cavity;
an inner shell 5 is arranged on one side of the outer shell 10, a plurality of groups of friction plates 7 and separation plates 8 are arranged between the inner shell 5 and the outer shell 10, the friction plates 7 and the separation plates 8 are arranged in a staggered mode, the friction plates 7 are connected with the inner shell 5 through splines, torque is transmitted to the inner shell 5 through the friction plates 7 and then is transmitted to other parts, oil holes are formed in the spline positions, cooling oil is convenient to pass through, the separation plates 8 are connected with the outer shell 10 through the splines, the outermost separation plates 8 are connected with the outer shell 10 through back plates 6 in a spline mode, one side of the back plates 6 is limited through the axis of a shell clamp spring 9, the friction plate 7 consists of a left friction material plate, a right friction material plate and a middle core plate, the left friction material plate and the right friction material plate form a friction pair with the partition plate 8 or the back plate 6, torque is transmitted, the shell clamp spring 9 is fixedly connected in a clamp spring groove of the outer shell 10 and used as axial limit of the friction pair and the back plate 6, axial force from the balance piston 3 and the friction pair is born, the outer shell 10 is connected with the main hub 1 through welding, the outer shell 10 is connected with the partition plate 8 and the back plate 6 through a spline, an oil hole is formed in the spline, cooling oil passes through quickly, and a limit surface is arranged on the outer shell 10 and is connected with the piston disc 11 and used as initial position limit of the piston disc 11.
The disconnect clutch specially developed for the power split system meets the requirement of the power split system, and the power of the engine is smoothly connected (or disconnected) with the hybrid system through the friction pair; the design of the balance oil cavity is reserved, so that centrifugal forces generated by the liquid in the pressure oil cavity and the liquid in the balance oil cavity are mutually counteracted, the whole vehicle calibration is facilitated, and the system control is facilitated; simple structure and compact design.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (8)
1. Disconnect clutch for a power split hybrid system, comprising a main hub (1), characterized in that: an outer shell (10) is arranged on one side of the main hub (1), a piston disc (11) is arranged between the outer shell (10) and the main hub (1), a sealing lip is arranged on the piston disc (11) and is movably connected with the outer shell (10), a piston shell (12) is arranged on the inner side of the piston disc (11), and a sealing lip is arranged on the piston shell (12) and is movably connected with the piston disc (11);
the main hub (1) is embedded with a shaft clamp spring (2) at the outer side of one end far away from the outer shell (10), a balance piston (3) is arranged between the shaft clamp spring (2) and the piston shell (12), a sealing lip is arranged at the joint of the balance piston (3) and the piston shell (12), a balance oil cavity is formed between the balance piston and the piston shell (12), a diaphragm spring (4) is arranged between the balance piston (3) and the piston shell (12), and two ends of the diaphragm spring (4) are fixedly connected with the balance piston (3) and the piston shell (12) respectively;
the utility model discloses a clutch pack is characterized in that an inner shell (5) is arranged on one side of an outer shell (10), a plurality of groups of friction plates (7) and separation plates (8) are arranged between the inner shell (5) and the outer shell (10), the friction plates (7) and the separation plates (8) are arranged in a staggered mode, the friction plates (7) are connected with the inner shell (5) through splines, torque is transmitted to the inner shell (5) through the friction plates (7), the separation plates (8) are connected with the outer shell (10) through the splines, spline connection is carried out between the outermost separation plates (8) and the outer shell (10) through a back plate (6), and one side of the back plate (6) is limited through an axis of a shell clamp spring (9).
2. A disconnect clutch for a power split hybrid system as defined in claim 1 wherein: the main hub (1) is provided with a spline which is used as clutch torque input;
-a snap spring groove is formed in the joint of the main hub (1) and the snap spring (2) for the shaft, the right side of the snap spring (2) for the shaft is movably connected with the balance piston (3), and the spring force of the diaphragm spring (4) is fixed on the snap spring (2) for the shaft through the balance piston (3);
-the main hub (1) is fixedly connected to the outer casing (10) by welding;
-the main hub (1) has pressure oil holes inside; the inside has the lubricant hole, leads lubricating oil into the balance oil pocket.
3. A disconnect clutch for a power split hybrid system as defined in claim 2 wherein: the left side of the balance piston (3) is fixed on the clamping spring (2) for the shaft, and the right side supports the spring force of the diaphragm spring (4);
when the pressure in the balance oil cavity is smaller, the diaphragm spring (4) compresses the balance piston (3) at an initial position; when the pressure in the balance oil cavity is increased and the spring force of the diaphragm spring (4) is overcome, the balance piston (3) moves leftwards, and then the friction plate (7) and the separation plate (8) are pressed, so that the clutch is combined.
4. A disconnect clutch for a power split hybrid system as defined in claim 3 wherein: the friction plate (7) consists of a left friction material plate, a right friction material plate and a middle core plate, the left friction material plate, the right friction material plate, the separation plate (8) or the back plate (6) form a friction pair, and torque is transmitted.
5. A disconnect clutch for a power split hybrid system as defined in claim 1 wherein: the shell clamp spring (9) is fixedly connected in a clamp spring groove of the outer shell (10) and used as an axial limit of the friction pair and the back plate (6) to bear axial force from the balance piston (3) and the friction pair.
6. A disconnect clutch for a power split hybrid system as defined in claim 1 wherein: the outer shell (10) is connected with the main hub (1) through welding, the outer shell (10) is connected with the partition plate (8) and the back plate (6) through a spline, an oil hole is formed in the spline, cooling oil can pass through the spline quickly, and a limiting surface is arranged on the outer shell (10) and is connected with the piston disc (11) to serve as an initial position limit of the piston disc (11).
7. A disconnect clutch for a power split hybrid system as defined in claim 6 wherein: the piston disc (11) axially reciprocates;
the initial position is pressed on the outer shell (10) by the diaphragm spring (4);
the piston disc (11), the main hub (1) and the outer housing (10) form a piston chamber.
8. A disconnect clutch for a power split hybrid system as defined in claim 7 wherein: when the liquid pressure in the piston cavity is increased, the piston disc (11) is pushed to move leftwards, and then the friction plate (7) and the partition plate (8) are pressed tightly, so that the clutch is combined;
when the liquid pressure in the piston cavity is reduced, the diaphragm spring (4) pushes the piston disc (11) to move rightwards, at the moment, the friction plate (7) and the separation plate (8) are separated, and the clutch is opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322083892.3U CN220505633U (en) | 2023-08-04 | 2023-08-04 | Disconnect clutch for power split type hybrid system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322083892.3U CN220505633U (en) | 2023-08-04 | 2023-08-04 | Disconnect clutch for power split type hybrid system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220505633U true CN220505633U (en) | 2024-02-20 |
Family
ID=89876514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322083892.3U Active CN220505633U (en) | 2023-08-04 | 2023-08-04 | Disconnect clutch for power split type hybrid system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220505633U (en) |
-
2023
- 2023-08-04 CN CN202322083892.3U patent/CN220505633U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |