CN215293332U - Drive unit and double-clutch device - Google Patents
Drive unit and double-clutch device Download PDFInfo
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- CN215293332U CN215293332U CN202121033721.4U CN202121033721U CN215293332U CN 215293332 U CN215293332 U CN 215293332U CN 202121033721 U CN202121033721 U CN 202121033721U CN 215293332 U CN215293332 U CN 215293332U
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Abstract
The application discloses a driving unit and a double clutch device, wherein the driving unit comprises a hydraulic unit body, a first return piece and a second return piece; the hydraulic unit body is respectively provided with a first hydraulic cavity and a second hydraulic cavity; a first piston piece is arranged in the first hydraulic cavity; the first return piece is arranged in the first hydraulic cavity and connected with the first piston piece, and is used for driving the first piston piece to return and move when the first hydraulic cavity is decompressed; a second piston piece is arranged in the second hydraulic cavity; the second return piece is installed in the second hydraulic cavity and connected with the second piston piece, and is used for driving the second piston piece to reset and move when the second hydraulic cavity is decompressed. The technical problem of influence steel sheet and friction disc's separation stability that return spring device exists in installing in the clutch is solved.
Description
Technical Field
The application relates to the technical field of automobile transmission, in particular to a driving unit and a double-clutch device.
Background
The combination and separation of the steel sheet and the friction sheet of the clutch are respectively controlled by the hydraulic driving unit and the return spring device, and particularly, when the hydraulic driving unit provides the axial acting force of the clutch, the steel sheet and the friction sheet are combined by the acting force. When the hydraulic driving unit is decompressed, the return spring device provides reverse axial acting force, so that the steel sheet is separated from the friction sheet. The existing return spring device is arranged between a push disc and a shell of the clutch, can rotate along with the clutch and is influenced by centrifugal force, so that the load of the return spring device is changed, particularly when the clutch rotates at a high speed, the generated influence is larger, and the separation stability of a steel sheet and a friction plate is influenced.
SUMMERY OF THE UTILITY MODEL
In view of the above, a first object of the present application is to provide a driving unit, which solves the technical problem that the installation of a return spring device in a clutch affects the separation stability of a steel sheet and a friction plate.
A second object of the present application is to provide a dual clutch device.
In order to achieve the above technical objective, the present application provides a driving unit, including a hydraulic unit body, a first return member, and a second return member;
the hydraulic unit body is respectively provided with a first hydraulic cavity and a second hydraulic cavity;
a first piston piece is arranged in the first hydraulic cavity;
the first return piece is arranged in the first hydraulic cavity, is connected with the first piston piece and is used for driving the first piston piece to return and move when the first hydraulic cavity is decompressed;
a second piston piece is arranged in the second hydraulic cavity;
the second return piece is installed in the second hydraulic cavity and connected with the second piston piece, and is used for driving the second piston piece to reset and move when the second hydraulic cavity is decompressed.
Further, the hydraulic unit body is provided with a hydraulic chamber;
a hydraulic cavity supporting frame is arranged in the hydraulic cavity;
the hydraulic cavity support frame is used for separating the hydraulic cavity into two cavities in the axial direction;
the two chambers form the first hydraulic chamber and the second hydraulic chamber respectively;
the first hydraulic cavity and the second hydraulic cavity are sequentially distributed along the direction of the hydraulic unit body towards the matched clutch.
Further, a first connecting part which movably penetrates through the hydraulic cavity supporting frame and extends out of the hydraulic cavity extends integrally from the first piston piece along the direction of the hydraulic unit body towards the matched clutch;
the second piston member has a second connecting portion integrally extended along the hydraulic unit body in a direction toward the clutch engaged therewith.
Further, the first return element is mounted between the first piston element and the hydraulic chamber support frame, and the first end of the first return element is in contact with and abuts against the hydraulic support frame, and the second end of the first return element is in contact with and abuts against the first piston element.
Further, the device also comprises a baffle;
the first end of the baffle is fixedly connected with the hydraulic unit body, and the second end of the baffle extends into the second hydraulic cavity through the first connecting part;
the first connecting part is provided with an avoiding slotted hole for avoiding the baffle;
the second return part is arranged between the second piston part and the plate part of the baffle plate extending into the second hydraulic cavity, the first end of the second return part is in contact with the plate part and abuts against the plate part, and the second end of the second return part is in contact with the second piston part and abuts against the second piston part.
Furthermore, a first extension part is arranged at the position, close to the peripheral wall surface of the hydraulic cavity, of the hydraulic cavity support frame along the direction departing from the matched clutch;
the position, close to the inner peripheral wall surface of the hydraulic cavity, of the hydraulic cavity supporting frame is provided with a second extending part along the direction towards the matched clutch;
an avoidance gap for the first connecting part to movably pass through is formed between the second extending part and the inner peripheral wall surface of the hydraulic chamber;
a first hydraulic cavity is defined by a side surface of the hydraulic support frame departing from the direction of the matched clutch, a side surface of the first extension part facing the inner peripheral wall surface of the hydraulic cavity, the inner peripheral wall surface of the hydraulic cavity and the inner bottom surface of the hydraulic cavity;
the hydraulic support frame is towards another side of complex clutch direction, the second extension orientation a side of the periphery wall surface of hydraulic pressure chamber, enclose between the periphery wall surface of hydraulic pressure chamber become the second hydraulic pressure chamber.
Further, the first connecting portion is connected with the inner peripheral wall surface of the hydraulic chamber in a sealing manner;
the second piston member is sealingly connected to the outer peripheral wall surface of the hydraulic chamber and a side surface of the second extension portion facing the outer peripheral wall surface of the hydraulic chamber, respectively.
Further, the first return element is one of a spring element and a disc spring element;
the second return element is also one of a spring element and a disc spring element.
Further, the first return element is a disc spring element;
the second return member is a spring member.
A driving unit and a double clutch device comprise a double clutch body and the driving unit;
the driving unit and the double clutch body are distributed along the same axis direction, a first piston piece of the driving unit is connected with an inner clutch push plate of the double clutch body, and a second piston piece is connected with an outer clutch push plate of the double clutch body.
According to the above technical scheme, the driving unit provided by the application combines the first return member and the second return member into the hydraulic unit body, and is respectively connected with the first piston member and the second piston member of the hydraulic unit body. When the first hydraulic cavity is decompressed, the first return piece can drive the first piston piece to return and move; when the second hydraulic cavity is decompressed, the second return piece can drive the second piston piece to return and move. By combining the first return member and the second return member into the hydraulic unit body, a new drive unit is constructed which has both a function of combining the drive steel plate and the friction plate and a function of separating the drive steel plate and the friction plate. By using the driving unit, a return device does not need to be arranged in the clutch or the return device in the clutch is not depended on, and the technical problem that the separation stability of the steel sheet and the friction sheet is influenced when the return spring device is arranged in the clutch is solved.
According to the technical scheme, the double-clutch device comprises the double-clutch body and the improved driving unit, a return device does not need to be arranged in the clutch or does not depend on the return device in the clutch, and the technical problem that the return spring device is arranged in the clutch and affects the separation stability of the steel sheet and the friction sheet is solved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a cross-sectional view of a drive unit provided herein;
FIG. 2 is a schematic overall axial view of a dual clutch device as provided herein;
FIG. 3 is an overall cross-sectional schematic view of a dual clutch device as provided herein;
in the figure: 1. a hydraulic unit body; 101. a head portion; 102. a hub connection portion; 103. side walls; 2. a first piston member; 201. a first connection portion; 3. a first return member; 4. a hydraulic chamber support frame; 401. a first extension portion; 402. a second extension portion; 5. a second piston member; 501. a second connecting portion; 6. a second return member; 7. a first seal ring; 71. a second seal ring; 8. a baffle plate; 9. a first clamp spring; 10. a bending section; 11. a first corner contact bearing; 12. a second angular contact bearing; 13. an outer clutch push plate; 14. an inner clutch push plate; 15. a second clamp spring; 16. a third clamp spring; 17. a drive disc; 18. a second partition steel sheet; 19. a second friction plate; 20. a first outer case; 21. a second inner housing; 22. a second outer housing; 23. a sealing cover; 24. a gasket; 25. a thrust bearing for the cover; 26. a bonnet seal; 27. an input hub; 28. a needle bearing; 29. a thrust bearing for the hub; 30. a first rotating hub; 31. a third corner contact bearing; 32. a second rotating hub; 33. a bearing snap spring; 34. a second adjusting steel sheet; 35. a first adjusting steel sheet; 36. a first partition steel sheet; 37. a first friction plate; 38. a first inner housing; 39. (ii) a 40. An outer clutch; 41. an inner clutch; 100. a dual clutch body; 200. a drive unit.
Detailed Description
The technical solutions of the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the embodiments in the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
The embodiment of the application discloses a driving unit and a double-clutch device.
Referring to fig. 1, an embodiment of a driving unit provided in an embodiment of the present application includes:
a hydraulic unit body 1, a first return member 3, and a second return member 6. The hydraulic unit body 1 is provided with a first hydraulic chamber and a second hydraulic chamber, respectively. The first hydraulic pressure intracavity is equipped with first piston spare 2, and first return 3 is installed in first hydraulic pressure intracavity and is connected with first piston spare 2 for when first hydraulic pressure intracavity pressure release, drive first piston spare 2 and reset and remove, and the second hydraulic pressure intracavity is equipped with second piston spare 5, and second return 6 is installed in the second hydraulic pressure intracavity and is connected with second piston spare 5, is used for when second hydraulic pressure intracavity pressure release, drives second piston spare 5 and resets and remove.
As can be seen from the above technical solutions, the driving unit 200 provided in the present application incorporates the first return element 3 and the second return element 6 into the hydraulic unit body 1, and is respectively connected to the first piston member 2 and the second piston member 5 of the hydraulic unit body 1. When the first hydraulic cavity is decompressed, the first return piece 3 can drive the first piston piece 2 to return and move; when the second hydraulic chamber is depressurized, the second return element 6 may drive the second piston element 5 to move in a return manner. By incorporating the first return member 3 and the second return member 6 into the hydraulic unit body 1, a new drive unit 200 is constructed which has both a drive steel plate and friction plate coupling function and a drive steel plate and friction plate separating function. By using the driving unit 200, a return device does not need to be arranged in the clutch or the return device in the clutch is not depended on, and the technical problem that the separation stability of the steel sheets and the friction plates is influenced when the return spring device is arranged in the clutch is solved.
The above is a first embodiment of a driving unit provided in the embodiments of the present application, and the following is a second embodiment of a driving unit provided in the embodiments of the present application, specifically referring to fig. 1.
Based on the scheme of the embodiment:
further, as for the formation of the first hydraulic pressure chamber and the second hydraulic pressure chamber, a hydraulic pressure chamber may be provided in the hydraulic unit body 1. The hydraulic chamber can be formed as shown in fig. 1, the whole body of the hydraulic unit body 1 can be a T-shaped structure, and is composed of a head 101 and a hub connecting portion 102, wherein the head 101 and the hub connecting portion 102 are integrally connected in a T-shape, and a side wall 103 which is at a certain distance from the hub connecting portion 102 and is integrally connected with the head 101 is arranged on the periphery of the hub connecting portion 102, so that the hydraulic chamber can be formed by utilizing the inner side surface of the side wall 103, the side surface of the head 101 facing the direction of the matched clutch and the outer side surface of the hub connecting portion 102, and a person skilled in the art can make appropriate changes on the basis of the above without limitation.
After having the hydraulic pressure cavity, can set up hydraulic pressure cavity support frame 4 in the hydraulic pressure cavity, utilize hydraulic pressure cavity support frame 4 to separate into two cavities with the hydraulic pressure cavity in the axis direction, and these two cavities just can form first hydraulic pressure chamber and second hydraulic pressure chamber respectively, and first hydraulic pressure chamber distributes in proper order to complex clutch direction along hydraulic unit body 1 with the second hydraulic pressure chamber. In this embodiment, first hydraulic pressure chamber distributes along axial direction with the second hydraulic pressure chamber in proper order, and such structural design is favorable to reducing the radial dimension of hydraulic unit body 1, and the installation is more convenient.
Further, taking the first hydraulic chamber and the second hydraulic chamber as axial distribution as an example, in order to enable the first piston member 2 to realize piston movement and be connected with the matched clutch, the first piston member 2 integrally extends along the hydraulic unit body 1 to the direction of the matched clutch to form a first connecting portion 201 movably penetrating through the hydraulic chamber support frame 4 and extending out of the hydraulic chamber. Correspondingly, the second piston member 5 integrally extends along the hydraulic unit body 1 in the direction of the engaged clutch with a second connecting portion 501.
Further, as for the installation and matching of the first return element 3, the first return element 3 is installed between the first piston element 2 and the hydraulic chamber support frame 4, and the first end is in contact with and abutted against the hydraulic support frame, and the second end is in contact with and abutted against the first piston element 2.
Further, a stop 8 may be provided in connection with the mounting of the second return member 6. This 8 first ends of baffle can be through first jump ring 9 and hydraulic unit body 1 fixed connection, and is concrete, and the position outside the hydraulic pressure chamber can form step portion on the outer peripheral wall of hub connecting portion 102, installs baffle 8 on step portion, and the rethread first jump ring 9 is blocked admittedly, can accomplish baffle 8's fixed, does not specifically do the restriction. Furthermore, the second end of the baffle plate 8 extends into the second hydraulic chamber via the first connection portion 201. In order to ensure that the first connecting portion 201 is not interfered by the baffle 8 when moving, the first connecting portion 201 should be provided with an avoiding slotted hole avoiding the baffle 8, and the avoiding slotted hole is arranged along the axial direction, so that the first connecting portion 201 cannot be interfered by the baffle 8 when moving axially. Specifically, the second return member 6 is installed between the second piston member 5 and the plate portion of the baffle plate 8 extending into the second hydraulic chamber, and has a first end contacting and abutting against the plate portion and a second end contacting and abutting against the second piston member 5.
Further, a first extension portion 401 is provided in a direction away from the engaged clutch at a position of the hydraulic chamber support frame 4 close to the outer peripheral wall surface of the hydraulic chamber, and a second extension portion 402 is provided in a direction toward the engaged clutch at a position of the hydraulic chamber support frame 4 close to the inner peripheral wall surface of the hydraulic chamber. An avoidance gap for the first connecting portion 201 to move through is formed between the second extending portion 402 and the inner peripheral wall surface of the hydraulic chamber, so that the movement of the first connecting portion 201 is ensured. One side of the first extension part 401 facing the peripheral wall surface of the hydraulic chamber can be fixedly connected with the peripheral wall surface of the hydraulic chamber, so that the hydraulic chamber support frame 4 can be fixedly installed, and the installation is not limited. Through the structural design, a specific first hydraulic cavity is defined by a side surface of the hydraulic support frame departing from the direction of the matched clutch, a side surface of the first extension part 401 facing the inner peripheral wall surface of the hydraulic cavity, the inner peripheral wall surface of the hydraulic cavity and the inner bottom surface of the hydraulic cavity; the second hydraulic chamber is surrounded by the other side of the hydraulic support frame facing the direction of the engaged clutch, one side of the second extension 402 facing the peripheral wall of the hydraulic chamber, and the peripheral wall of the hydraulic chamber. It should be noted that, in the present embodiment, the inner peripheral wall surface is a wall surface of the hydraulic chamber close to the central axis of the hydraulic unit body 1 or an outer peripheral surface of the hub connecting portion 102, while the outer peripheral wall surface is a wall surface of the hydraulic chamber away from the central axis of the hydraulic unit body 1 or an inner wall surface of the side wall 103, and the inner bottom surface of the hydraulic chamber is also a side surface portion of the head portion 101 facing the engaged clutch direction. In this embodiment, with such a structural distribution design, the first piston member 2 and the second piston member 5 are well matched, and the first piston member 2 and the second piston member 5 are also more compactly matched in the axial direction, so as to further reduce the volume of the hydraulic unit body 1. In addition, in order to ensure that the space between the first hydraulic chamber and the second hydraulic chamber is equivalent, the reserved avoidance gap is not too large, therefore, the thickness of the first connecting portion 201 is relatively small, and in order to enable the first connecting portion 201 to be conveniently connected with a matched clutch, the end position of the first connecting portion 201 can be integrally provided with a bending portion 10, so that the convenience of subsequent installation is improved.
Further, in terms of sealing engagement, the first connection portion 201 may be sealingly connected to the inner peripheral wall surface of the hydraulic chamber by the first seal ring 7; the second piston member 5 may be sealingly connected to the outer circumferential wall surface of the hydraulic chamber and a side surface of the second extension 402 facing the outer circumferential wall surface of the hydraulic chamber by the second seal ring 71.
Further, the first return element 3 may be one of a spring element and a disc spring element, and the second return element 6 may also be one of a spring element and a disc spring element. The spring part can be composed of a plurality of springs, the disc spring part can also be composed of a plurality of disc springs, and the plurality of disc springs can be uniformly distributed on the circumference without limitation.
In a specific application, the first return element 3 may be a disc spring element, and the second return element 6 may be a spring element, and those skilled in the art can make appropriate changes according to actual needs based on the disc spring element, and the changes are not limited in particular.
As shown in fig. 2 and 3, the present application further discloses a driving unit and a dual clutch device, including a dual clutch body 100 and a driving unit 200 according to the first embodiment or the second embodiment. The driving unit 200 and the dual clutch body 100 are distributed along the same axial direction, and the first piston member 2 of the driving unit 200 is connected to the inner clutch disks 14 of the dual clutch body 100, and the second piston member 5 is connected to the outer clutch disks 13 of the dual clutch body 100. In particular, the first piston part 2 is connected via a first angular contact bearing 11 to an inner clutch tappet 14, and the second piston part 5 is connected via a second angular contact bearing 12 to an outer clutch tappet 13.
The double clutch body 100 of the present application is a wet double clutch, for example, and includes two clutches, i.e., an inner clutch 41 and an outer clutch 40, the inner clutch 41 is coaxially connected to the input hub 27 of the clutch input end through its own first hub 30 in a transmission manner, so as to transmit torque, and when the double clutch body is engaged with the driving unit 200, the output end of the first hub 30 extends into the hydraulic unit body 1 and is coaxially connected to the hydraulic unit body 1 in a rotation manner through a third angular contact bearing 31. The outer clutch 40 is coaxially connected in a transmission axial direction by a second rotary hub 32 thereof and an input rotary hub 27 at the clutch input end, and realizes torque transmission.
The inner clutch 41 specifically includes a first outer housing 20, a first inner housing 38, a first hub 30, an inner clutch push plate 14, and a first set of steel plate friction plates. The outer clutch 40 specifically includes a second outer housing 22, a second inner housing 21, a second rotating hub 32, an outer clutch push plate 13, and a second steel plate friction plate set. The input rotary hub 27 at the input end of the clutch is connected with the second steel sheet friction plate set through the second outer shell 22, the second rotary hub 32 is connected with the second steel sheet friction plate set through the second inner shell 21, and the driving unit 200 transmits power to the second steel sheet friction plate set through the outer clutch push disc 13 to realize the engagement of the outer clutch 40. When the power disappears, the second return piece 6 in the driving unit 200 drives the second piston piece 5 to return, and the outer clutch 40 return wave spring is matched to drive the outer clutch push disc 13 to return together, so as to realize the separation and return of the outer clutch 40. In terms of the cooperation of the outer clutch 40 and the inner clutch 41, the input hub 27 at the input end of the clutch is connected to the first plate friction plate set through the second outer housing 22, the drive plate 17 and the first outer housing 20, and the first hub 30 at the output end of the inner clutch 41 is connected to the first plate friction plate set through the first inner housing 38. The drive unit 200 transmits power to the first plate friction pack via the inner clutch push plate 14, effecting engagement of the inner clutch 41. When the power disappears, the first return piece 3 drives the first piston piece 2 to return, and the inner clutch 41 return wave spring is matched to drive the inner clutch push disc 14 to return to move together, so that the inner clutch 41 is separated and returned. The first steel sheet friction plate group consists of a first friction plate 37, a first partition steel sheet 36 and a first adjusting steel sheet 35, and the second steel sheet friction plate group consists of a second friction plate 19, a second partition steel sheet 18 and a second adjusting steel sheet 34. In addition, the driving disk 17 is axially limited and connected with the first outer shell 20 through the second clamp spring 15 and is axially limited and connected with the second outer shell 22 through the third clamp spring 16 in the axial direction.
The double clutch body 100 of the application has the input rotating hub 27, the second rotating hub 32 and the first rotating hub 30 in sequence along the input axis, the three are in transmission connection through two sets of thrust bearings 29 for the rotating hubs respectively, the needle roller bearing 28 is arranged in the input rotating hub 27, the first rotating hub 30 is in transmission connection through the third angular contact bearing 31, and the third angular contact bearing 31 is limited and fixed through the bearing snap spring 33, so that the part of the double clutch body 100 is in locking connection with the driving unit 200.
The dual clutch body 100 is locked with the transmission through the sealing cover 23, that is, the sealing cover 23 is disposed on one side of the dual clutch body 100 close to the transmission. The seal cover 23 is coaxially connected to the input hub 27 by a cover seal 26 to prevent oil from escaping from the dual clutch body 100. A cover thrust bearing 25 and a gasket 24 are further provided between the seal cover 23 and the second outer housing 22, the entire axial force of the dual clutch body 100 can be transmitted to the transmission housing through the cover thrust bearing 25 and the seal cover 23, and the gasket 24 can be provided to adjust the axial clearance inside the dual clutch body 100.
The above is a description of the structure of the dual clutch body 100, and those skilled in the art can appropriately change the design based on the above description in combination with the conventional dual clutch structure, so that the detailed description of the present application is not repeated.
While the present application provides a drive unit and a dual clutch device, those skilled in the art will appreciate that the present disclosure is not limited to the above embodiments, but rather, may be modified within the spirit and scope of the present application.
Claims (10)
1. A driving unit is characterized by comprising a hydraulic unit body, a first return piece and a second return piece;
the hydraulic unit body is respectively provided with a first hydraulic cavity and a second hydraulic cavity;
a first piston piece is arranged in the first hydraulic cavity;
the first return piece is arranged in the first hydraulic cavity, is connected with the first piston piece and is used for driving the first piston piece to return and move when the first hydraulic cavity is decompressed;
a second piston piece is arranged in the second hydraulic cavity;
the second return piece is installed in the second hydraulic cavity and connected with the second piston piece, and is used for driving the second piston piece to reset and move when the second hydraulic cavity is decompressed.
2. A drive unit according to claim 1, wherein the hydraulic unit body is provided with a hydraulic chamber;
a hydraulic cavity supporting frame is arranged in the hydraulic cavity;
the hydraulic cavity support frame is used for separating the hydraulic cavity into two cavities in the axial direction;
the two chambers form the first hydraulic chamber and the second hydraulic chamber respectively;
the first hydraulic cavity and the second hydraulic cavity are sequentially distributed along the direction of the hydraulic unit body towards the matched clutch.
3. A drive unit according to claim 2, wherein the first piston member has a first connecting portion integrally extending along the hydraulic unit body in a direction toward the engaged clutch and movably passing through the hydraulic chamber support frame and protruding out of the hydraulic chamber;
the second piston member has a second connecting portion integrally extended along the hydraulic unit body in a direction toward the clutch engaged therewith.
4. A drive unit and dual clutch device as claimed in claim 3 wherein the first return member is mounted between the first piston member and the hydraulic chamber support bracket with a first end in contact against the hydraulic support bracket and a second end in contact against the first piston member.
5. A drive unit according to claim 3, further comprising a baffle;
the first end of the baffle is fixedly connected with the hydraulic unit body, and the second end of the baffle extends into the second hydraulic cavity through the first connecting part;
the first connecting part is provided with an avoiding slotted hole for avoiding the baffle;
the second return part is arranged between the second piston part and the plate part of the baffle plate extending into the second hydraulic cavity, the first end of the second return part is in contact with the plate part and abuts against the plate part, and the second end of the second return part is in contact with the second piston part and abuts against the second piston part.
6. A drive unit according to claim 5, wherein the hydraulic chamber support frame is provided with a first extension in a direction away from the engaged clutch at a position close to the outer peripheral wall surface of the hydraulic chamber;
the position, close to the inner peripheral wall surface of the hydraulic cavity, of the hydraulic cavity supporting frame is provided with a second extending part along the direction towards the matched clutch;
an avoidance gap for the first connecting part to movably pass through is formed between the second extending part and the inner peripheral wall surface of the hydraulic chamber;
a first hydraulic cavity is defined by a side surface of the hydraulic support frame departing from the direction of the matched clutch, a side surface of the first extension part facing the inner peripheral wall surface of the hydraulic cavity, the inner peripheral wall surface of the hydraulic cavity and the inner bottom surface of the hydraulic cavity;
the hydraulic support frame is towards another side of complex clutch direction, the second extension orientation a side of the periphery wall surface of hydraulic pressure chamber, enclose between the periphery wall surface of hydraulic pressure chamber become the second hydraulic pressure chamber.
7. A drive unit according to claim 6, wherein said first connecting portion is sealingly connected to an inner peripheral wall surface of said hydraulic chamber;
the second piston member is sealingly connected to the outer peripheral wall surface of the hydraulic chamber and a side surface of the second extension portion facing the outer peripheral wall surface of the hydraulic chamber, respectively.
8. A drive unit according to claim 7, wherein the first return member is one of a spring member and a disc spring member;
the second return element is also one of a spring element and a disc spring element.
9. A drive unit according to claim 8, wherein said first return member is a disc spring member;
the second return member is a spring member.
10. A drive unit and a dual clutch device, characterized by comprising a dual clutch body and a drive unit as claimed in any one of claims 1 to 9;
the driving unit and the double clutch body are distributed along the same axis direction, a first piston piece of the driving unit is connected with an inner clutch push plate of the double clutch body, and a second piston piece is connected with an outer clutch push plate of the double clutch body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121033721.4U CN215293332U (en) | 2021-05-14 | 2021-05-14 | Drive unit and double-clutch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121033721.4U CN215293332U (en) | 2021-05-14 | 2021-05-14 | Drive unit and double-clutch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215293332U true CN215293332U (en) | 2021-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121033721.4U Active CN215293332U (en) | 2021-05-14 | 2021-05-14 | Drive unit and double-clutch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215293332U (en) |
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2021
- 2021-05-14 CN CN202121033721.4U patent/CN215293332U/en active Active
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