CN114135599B - Cylinder body integrated wet brake structure - Google Patents
Cylinder body integrated wet brake structure Download PDFInfo
- Publication number
- CN114135599B CN114135599B CN202111454078.7A CN202111454078A CN114135599B CN 114135599 B CN114135599 B CN 114135599B CN 202111454078 A CN202111454078 A CN 202111454078A CN 114135599 B CN114135599 B CN 114135599B
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- Prior art keywords
- brake
- plates
- piston
- assembly
- return spring
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- 230000005540 biological transmission Effects 0.000 claims description 32
- 230000005856 abnormality Effects 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 abstract description 2
- 230000002159 abnormal effect Effects 0.000 abstract 1
- 239000006185 dispersion Substances 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D55/24—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with a plurality of axially-movable discs, lamellae, or pads, pressed from one side towards an axially-located member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
- F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
- F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The utility model provides a cylinder body integrated wet brake structure, belongs to the car field, has solved wet brake and has arranged dispersion, part many, space utilization low problem, and the effectual emergence that leads to shifting abnormality of two brakes simultaneous working of having avoided; the invention includes a wet B1 brake assembly, a wet B2 brake assembly, and a brake cage assembly; the two brakes are arranged in a centralized manner in space, the two brake cylinders are integrated in the middle area through the shared brake retainer, the structure is more compact, and the two brake pistons are respectively in working and resetting states when the return spring works, so that the condition that the two brakes work simultaneously is avoided; the abnormal gear shifting rate caused by interlocking of the brakes is reduced, and the internal space utilization rate of the gearbox and the overall structural size optimization of the gearbox are improved.
Description
Technical Field
The invention belongs to the technical field of automobiles, and particularly relates to a cylinder integrated wet brake structure.
Background
With the continuous development and popularization of automobile products, new requirements are put forward on the performance, energy consumption and comfort experience of the automobile products, so that the development of the structures of all parts of the products towards the directions of low cost, compact structure and light weight is promoted. The wet-type multi-disc brake is used as an important gear shifting component of the gearbox, is large in size and scattered in arrangement, and is unfavorable for reducing cost and optimizing structure.
Disclosure of Invention
The invention aims to solve the problems of scattered arrangement, more parts and low space utilization rate of the wet brake, and further provides a cylinder integrated wet brake structure, which effectively avoids gear shifting abnormality caused by simultaneous operation of two brakes;
the technical scheme adopted by the invention is as follows: a cylinder body integrated wet brake structure comprises a wet B1 brake assembly, a wet B2 brake assembly and a brake retainer assembly; the wet type B1 brake assembly and the wet type B2 brake assembly integrate the oil hydraulic cylinders of the two brakes through a shared brake retainer assembly and a return spring, the oil hydraulic cylinder is integrated between the two brakes, the two brakes cannot work simultaneously through the return spring, one end of the return spring is connected with a B1 brake piston of the brake retainer assembly when the return spring is arranged, the other end of the return spring is connected with a B2 brake piston, and when the B1 brake piston moves to push the return spring, the return spring elastically recovers to give the B2 brake piston a force to ensure that the B2 brake piston does not move, so that the situation that the two brakes are combined simultaneously is effectively avoided.
Compared with the prior art, the invention has the following beneficial effects:
the invention is applied to an automatic gearbox, ensures the functions of the brakes, simultaneously intensively arranges the two brakes in the gearbox, realizes the cylinder body integration of the two brakes by adjusting the components such as a piston, a return spring, an oil hydraulic cylinder support and the like, more compactly improves the space utilization rate in the structure, simultaneously realizes the cost reduction by sharing the components, has an important role in reducing the integral cost and the structural size optimization of the gearbox by integrating the cylinders, and solves the problems of distributed brake arrangement, low space utilization rate and high manufacturing cost in the existing gearbox.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a front cross-sectional view of the brake retainer assembly of the present invention;
wherein: 1. a wet B1 brake assembly; 2. a wet B2 brake assembly; 3. a brake cage assembly; 11. b1, a transmission hub; 12. a transmission housing; 13. a first elastic retainer ring; 14. a second elastic retainer ring; 15. a return spring; 16. b1 pressure plate; 17. b1 front pressure plate; 18. b1 friction plate; 21. b2 drive hub; 22. b2 pressure plate; 23. b2 front pressure plate; 24. b2 friction plate; 31. b1 brake piston; 32. b2 brake piston; 33. d-ring I; 34. d-shaped ring II; 35. a brake retainer.
Detailed Description
The first embodiment is as follows: referring to fig. 1 to 2, the present embodiment provides a cylinder-integrated wet brake structure including a wet B1 brake assembly 1, a wet B2 brake assembly 2, and a brake holder assembly 3; the wet type B1 brake assembly 1 and the wet type B2 brake assembly 2 integrate the hydraulic cylinders of the two brakes through the common brake retainer assembly 3 and the return spring 15, the hydraulic cylinders are integrated between the two brakes, the two brakes cannot work simultaneously through the return spring 15, one end of the return spring 15 is connected with the B1 brake piston 31 of the brake retainer assembly 3, the other end of the return spring 15 is connected with the B2 brake piston 32, and when the B1 brake piston 31 moves to push the return spring 15, the return spring 15 elastically restores to ensure that the B2 brake piston 32 does not move, so that the situation that the two brakes are combined simultaneously is effectively avoided.
In this embodiment, the following will be described: the wet type B1 brake assembly 1 and the wet type B2 brake assembly 2 are respectively connected with the transmission shell 12 and the braked parts through trapezoidal splines;
when the B1 brake works, the B1 brake piston 31 compresses the pressure plate and the friction plate under the action of pressure oil in the piston cavity, the return spring 15 is compressed, the friction plate and the pressure plate of the B1 brake are combined to brake the sun wheel, and the return spring 15 acts the pressure from the B1 brake piston 31 on the B2 brake piston 32 through the elastic retainer ring to enable the B2 brake piston 32 to reset so as to avoid the combination of the B2 brake; when the B2 brake works, the B2 brake piston 32 presses the pressure plate and the friction plate under the action of pressure oil in the piston cavity, the return spring 15 is compressed, the friction plate and the pressure plate of the B2 brake are combined to brake the B2 transmission hub, and the return spring 15 acts the pressure from the B2 brake piston 32 on the B1 brake piston 31 through the spring seat plate to enable the B1 brake piston 31 to reset so as to avoid the combination of the B1 brake.
The second embodiment is as follows: referring to fig. 1 to 2, the present embodiment is further limited to the wet B1 brake assembly 1 according to the first embodiment, where the wet B1 brake assembly 1 includes a B1 transmission hub 11, a transmission housing 12, a first circlip 13, a second circlip 14, a return spring 15, a B1 pressure plate 16, a B1 front pressure plate 17, and a B1 friction plate 18; the B1 drive hub 11 is provided with n plates of B1 front pressure plate 17 and B1 pressure plate 16 or m plates of B1 friction plate (n is greater than or equal to 3, wherein the front pressure plate is 1 plate), the transmission shell 13 is provided with n plates of B1 friction plate 18m or n plates of B1 front pressure plate 17 and B1 pressure plate 16 (n=m+1) through spline connection, the B1 front pressure plate 17, the B1 pressure plate 16 and the B1 friction plate 18 are installed in a staggered manner, the B1 friction plate 18 is arranged between the pressure plates, the B1 front pressure plate 17 is arranged at a position far away from the B1 brake piston 31, the elastic check ring 13 is arranged outside the B1 front pressure plate 17 and is arranged in a check ring groove of the transmission shell 12 through elastic expansion. Other components and connection modes are the same as in the first embodiment.
And a third specific embodiment: referring to fig. 1 to 2, the present embodiment is further limited to the wet B2 brake assembly 2 according to the second embodiment, in which the wet B2 brake assembly 2 includes a B2 transmission hub 21, a B2 pressure plate 22, a B2 front pressure plate 23, and a B2 friction plate 24; the B2 transmission hub 21 is provided with n plates of B2 front pressure plates 23 and B2 pressure plates 22 or 24m plates of B2 friction plates (n is greater than or equal to 3, wherein the front pressure plates are 1 plate), the transmission shell 12 is provided with m plates of B2 friction plates 24 or n plates of B2 front pressure plates 23 and B2 pressure plates 22 (n=m+1) through spline connection, the B2 front pressure plates 23, the B2 pressure plates 22 and the B2 friction plates 24 are installed in a staggered manner, the B2 friction plates 24 are installed between the pressure plates, and the B2 front pressure plates 23 are installed at a position far away from the B2 brake piston 32. Other components and connection modes are the same as those of the second embodiment.
A fourth embodiment is described with reference to fig. 1 to 2, in which the brake holder assembly 3 according to the third embodiment is further limited, and in which the brake holder assembly 3 includes a B1 brake piston 31, a B2 brake piston 32, a D-ring one 33, a D-ring two 34, and a brake holder 35; the B1 brake piston 31 is mounted on the brake retainer 35 through the interference fit of the D-shaped ring II 34, a B1 piston cavity 4 is formed between the B1 brake piston 31 and the brake retainer 35, the B2 brake piston 32 is mounted on the brake retainer 35 through the interference fit of the D-shaped ring II 34, a B2 piston cavity 5 is formed between the B2 brake piston 32 and the brake retainer 35, one end seat plate of the return spring 15 is in contact with the B1 brake piston 31, the other end seat plate is mounted on the B2 brake piston 32 through the elastic retainer II 14, the return spring 15 is mounted between the B2 brake piston 32 and the B1 brake piston 31 through the elastic retainer II 14, and the brake retainer assembly 3 is fixed on the transmission shell through bolting.
In this embodiment, the following will be described: the D-ring one 33 and the D-ring two 34 are both D-rings for inner and outer sealing.
The assembly scheme and the working principle of the invention are as follows:
d-shaped ring one 33 and D-shaped ring two 34 are respectively arranged in D-shaped ring grooves of B1 brake piston 31 and B2 brake piston 32, the assembled B1 brake piston 31 and B2 brake piston 32 are installed on a brake retainer 35 in an interference manner, one end seat plate of a return spring 15 is contacted with the B1 brake piston 31, and the other end seat plate is installed on the B2 brake piston 32 through a circlip two 14 to form a brake retainer assembly 3; the method comprises the steps of firstly, sequentially mounting a B2 pressure plate 22, a B2 friction plate 24, a B2 front pressure plate 23 and a brake retainer assembly 3 at a designated position of a transmission shell 12, wherein the B2 pressure plate 22 and the B2 front pressure plate 23 are connected with the transmission shell 12 through splines, the B2 friction plate 24 is connected with a B2 transmission hub 21 through splines, the brake retainer assembly 3 is fixedly connected to the transmission shell 12 through bolts, and a brake B2 gap S2 is ensured; the B1 pressure plate 16, the B1 friction plate 18 and the B1 front pressure plate 17 are sequentially arranged in the transmission shell 12, the B1 friction plate 18 is connected with the B1 transmission hub 11 through a spline, the B1 pressure plate 16 is connected with the transmission shell 12 through a spline, and the B1 brake clearance S1 is ensured through the first 13 axial limiting installation of the circlip. When the B1 brake works, the B1 piston 31 compresses the B1 pressure plate 16 and the B1 friction plate 18 under the action of pressure oil in the B1 piston cavity 4, the return spring 15 is compressed, the B1 friction plate 18 and the B1 pressure plate 16 are combined to brake the B1 transmission hub 11, and the return spring 15 acts the pressure from the B1 brake piston 31 on the B2 brake piston 32 through the elastic retainer ring II 14 to enable the B2 brake piston 32 to return to avoid the combination of the B2 brake; when the B2 brake is operated, the B2 brake piston 32 compresses the B2 pressure plate 22 and the B2 friction plate 24 under the action of pressure oil in the B2 piston cavity 5, the return spring 15 is compressed, the B2 friction plate 24 and the B2 pressure plate 22 are combined to brake the B2 transmission hub 21, and the return spring 15 acts the pressure from the B2 brake piston 32 on the B1 brake piston 31 through the spring seat plate, so that the B1 brake piston 31 is reset to avoid the combination of the B1 brake.
It will be understood that the invention has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (3)
1. The utility model provides a cylinder body integrated form wet brake structure which characterized in that: comprises a wet type B1 brake assembly (1), a wet type B2 brake assembly (2) and a brake retainer assembly (3); the wet type B1 brake assembly (1) and the wet type B2 brake assembly (2) are integrated into a whole through a shared brake retainer assembly (3) and a return spring (15), when the return spring (15) is arranged, one end of the return spring is connected with a B1 brake piston (31) of the brake retainer assembly (3), the other end of the return spring is connected with a B2 brake piston (32), when the B1 brake piston (31) moves to push the return spring (15), the return spring (15) elastically restores a force to the B2 brake piston (32) to ensure that the B2 brake piston (32) does not move, and the brake retainer assembly (3) comprises the B1 brake piston (31), the B2 brake piston (32), a D-shaped ring I (33), a D-shaped ring II (34) and a brake retainer (35); the B1 brake piston (31) is installed on the brake retainer (35) through a D-shaped ring II (34) in an interference fit mode, a B1 piston cavity (4) is formed between the B1 brake piston (31) and the brake retainer (35), the B2 brake piston (32) is installed on the brake retainer (35) through the D-shaped ring II (34) in an interference fit mode, a B2 piston cavity (5) is formed between the B2 brake piston (32) and the brake retainer (35), one end seat plate of the return spring (15) is in contact with the B1 brake piston (31), the other end seat plate is installed on the B2 brake piston (32) through a circlip II (14), the return spring (15) is installed between the B2 brake piston (32) and the B1 brake piston (31) through a circlip II (14), and the brake retainer assembly (3) is fixed on a transmission shell through bolting.
2. A cylinder integrated wet brake structure as defined in claim 1, wherein: the wet B1 brake assembly (1) comprises a B1 transmission hub (11), a transmission shell (12), a first circlip (13), a second circlip (14), a return spring (15), a B1 pressure plate (16), a B1 front pressure plate (17) and a B1 friction plate (18); the transmission hub (11) of the transmission is provided with n plates of B1 front pressure plates (17) and B1 pressure plates (16) or n plates of B1 friction plates m through spline connection, the transmission shell (12) is provided with n plates of B1 friction plates (18) or n plates of B1 front pressure plates (17) and B1 pressure plates (16) through spline connection, the B1 front pressure plates (17), the B1 pressure plates (16) and the B1 friction plates (18) are installed in a staggered mode, the B1 front pressure plates (17) are installed at positions far away from a B1 brake piston (31), and the elastic check ring I (13) is arranged on the outer side of the B1 front pressure plates (17) and is installed in a check ring groove of the transmission shell (12) through elastic expansion.
3. A cylinder integrated wet brake structure according to claim 2, wherein: the wet B2 brake assembly (2) comprises a B2 transmission hub (21), a B2 pressure plate (22), a B2 front pressure plate (23) and a B2 friction plate (24); the novel hydraulic transmission is characterized in that n plates of a B2 front pressure plate (23) and a B2 pressure plate (22) or m plates of a B2 friction plate (24) are arranged on the B2 transmission hub (21) through spline connection, m plates of the B2 friction plate (24) or n plates of the B2 front pressure plate (23) and the B2 pressure plate (22) are arranged on the transmission shell (12) through spline connection, the B2 front pressure plate (23), the B2 pressure plate (22) and the B2 friction plate (24) are arranged in a staggered mode, and the B2 front pressure plate (23) is arranged at a position far away from a B2 brake piston (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111454078.7A CN114135599B (en) | 2021-12-01 | 2021-12-01 | Cylinder body integrated wet brake structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111454078.7A CN114135599B (en) | 2021-12-01 | 2021-12-01 | Cylinder body integrated wet brake structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114135599A CN114135599A (en) | 2022-03-04 |
| CN114135599B true CN114135599B (en) | 2024-03-12 |
Family
ID=80387253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111454078.7A Active CN114135599B (en) | 2021-12-01 | 2021-12-01 | Cylinder body integrated wet brake structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114135599B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2015068362A (en) * | 2013-09-27 | 2015-04-13 | アイシン・エィ・ダブリュ株式会社 | Transmission |
| CN104565113A (en) * | 2013-10-18 | 2015-04-29 | 福特全球技术公司 | Clutch assembly and transmission |
| CN205001421U (en) * | 2015-09-29 | 2016-01-27 | 苏州德珃机械电子科技有限公司 | Hydraulic pressure return multi -disc wet brakes |
| CN105934596A (en) * | 2014-01-30 | 2016-09-07 | 博格华纳公司 | Dual gain friction clutch |
| CN106246821A (en) * | 2015-06-11 | 2016-12-21 | 福特全球技术公司 | Transmission assembly |
| KR101786805B1 (en) * | 2016-04-18 | 2017-11-16 | 씨스톤 테크놀로지스(주) | Actuator for dual clutch |
| CN206943255U (en) * | 2017-05-26 | 2018-01-30 | 珠海华粤传动科技有限公司 | A kind of shock reducing type wet-type dual-clutch |
| CN112576640A (en) * | 2019-09-29 | 2021-03-30 | 广州汽车集团股份有限公司 | Clutch and method for searching clutch half-joint point |
| CN213744588U (en) * | 2020-11-30 | 2021-07-20 | 蜂巢传动科技河北有限公司 | Clutch assembly for vehicle and vehicle |
-
2021
- 2021-12-01 CN CN202111454078.7A patent/CN114135599B/en active Active
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| KR970027895A (en) * | 1995-11-23 | 1997-06-24 | 전성원 | Multi-plate Clutch for Automatic Transmission |
| EP2470808A1 (en) * | 2009-08-28 | 2012-07-04 | Getrag Ford Transmissions GmbH | Dual clutch assembly for a transmission having two input shafts |
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| CN213744588U (en) * | 2020-11-30 | 2021-07-20 | 蜂巢传动科技河北有限公司 | Clutch assembly for vehicle and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114135599A (en) | 2022-03-04 |
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