CN105422679A - Automatic transmission for hybrid electric vehicle - Google Patents
Automatic transmission for hybrid electric vehicle Download PDFInfo
- Publication number
- CN105422679A CN105422679A CN201511024415.3A CN201511024415A CN105422679A CN 105422679 A CN105422679 A CN 105422679A CN 201511024415 A CN201511024415 A CN 201511024415A CN 105422679 A CN105422679 A CN 105422679A
- Authority
- CN
- China
- Prior art keywords
- input shaft
- piston
- hub
- rotor
- automatic transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- F16D25/00—Fluid-actuated clutches
- F16D25/06—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch
- F16D25/062—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces
- F16D25/063—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially
- F16D25/0635—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs
- F16D25/0638—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs with more than two discs, e.g. multiple lamellae
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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
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/10—System to be controlled
- F16D2500/104—Clutch
- F16D2500/10443—Clutch type
- F16D2500/1045—Friction clutch
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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
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/10—System to be controlled
- F16D2500/106—Engine
- F16D2500/1066—Hybrid
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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
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/10—System to be controlled
- F16D2500/108—Gear
- F16D2500/1081—Actuation type
- F16D2500/1085—Automatic transmission
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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
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/10—System to be controlled
- F16D2500/11—Application
- F16D2500/1107—Vehicles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
The invention discloses an automatic transmission. The automatic transmission is characterized in that a main input shaft, a clutch, a motor and an inner hub input shaft are mounted in a housing of the automatic transmission; the clutch comprises an inner hub, an outer hub and a friction plate assembly mounted between the inner hub and the outer hub, the outer hub is fixedly connected with a rotor input shaft, and the inner hub is fixedly connected with the inner hub input shaft; the outer circumferential part of a piston of the clutch is a flat-plate-shaped working part, the working part corresponds to the working surface of the friction plate assembly in position, a shaft sleeve part of the rotor input shaft is sleeved with the inner circumferential part of the piston, a barrel-shaped part is arranged between the outer circumferential part and the inner circumferential part and surrounds the shaft sleeve part to form a cavity, and inner circumferential part of the piston axially extends into space defined by the inner hub. The space in the radial direction of the clutch is used sufficiently, and smaller axial size of the automatic transmission is realized; the automatic transmission has good universality and is more applicable to a hybrid electric vehicle.
Description
Technical field
The present invention relates to automatic transmission technical field, particularly relate to a kind of automatic transmission being adapted at that hybrid electric vehicle uses.
Background technique
Hybrid vehicle, refer to oil-electric vehicle (HybridElectricVehicle), namely adopt traditional internal-combustion engine (diesel engine or petrol engine) and motor as power source, also the motor had uses other alternative fuel, such as compressed natural gas, propane and alcohol fuel etc. through transformation.Along with the measure of countries in the world environmental protection is more and more stricter, motor vehicle driven by mixed power becomes an emphasis of automotive field research and development due to features such as it is energy-conservation, low emissions.
In order to adapt to this trend, Chinese invention patent application CN104776176A, disclose a kind of automatic transmission (AT), two axle systems, three commutating tooth wheels, three planetary gear set and several gear shift units are installed side by side in case of transmission, wherein, an axle system is positioned at power input side, comprises the first axle for input power, another axle system is positioned at Power output side, comprises the second axle for outputting power; Be provided with a motor in case of transmission, the rotor of motor is fixedly connected with the input end of the first axle, and the stator of motor is installed on housing; Between engine flywheel and motor, be provided with a clutch, the outer hub of clutch is fixedly connected with the rotor of motor, and the interior hub of clutch is fixedly connected with engine flywheel.
But the axial dimension of ordinary clutch is bigger than normal, thus need larger housing to hold it, this can take larger space when car load assembles.
Industry attempts to make improvement in this respect always, such as Chinese invention patent application CN102937149A discloses a kind of clutch, it comprises interior hub and land weld assembly and outer hub, friction plate group is provided with inside interior hub and land weld assembly, piston is provided with in the pressure oil cavity of gear, in friction plate group, steel disc is internal sheet, friction plate is outer plate, the friction plate of friction plate group side is directly connected with land weld assembly with interior hub, interior hub and land weld assembly transmitting torque together with friction plate group, adjustment steel disc is provided with outside the friction plate of friction plate group opposite side.It adjusts the stroke of piston by the thickness of Rational choice adjustment steel disc, cancel a slice steel disc in adjustment jump ring and friction plate group, reduce the axial dimension of clutch, but it is by the restriction of specified structure, affects its versatility.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of automatic transmission, and its clutch has less axial dimension, takes up room little, is thus more suitable for using in hybrid electric vehicle.
For solving the problems of the technologies described above, technological scheme of the present invention is: a kind of automatic transmission, comprising: housing, is provided with primary input axle, clutch, motor and interior hub input shaft in described housing; Described primary input axle and described interior hub input shaft are coaxially arranged; The friction plate assembly that described clutch comprises interior hub, outer hub and is installed between the two, and piston, return spring and equalizing piston; Described outer hub is fixedly connected with rotor input shaft, and described interior hub is fixedly connected with described interior hub input shaft, mineralization pressure oil pocket between described rotor input shaft and the respective surfaces of described piston; Described motor comprises stators and rotators, and described rotor is installed on rotor retainer, and described rotor retainer connects described rotor input shaft, and described rotor input shaft is sheathed and key is connected on described primary input axle; The outer peripheral portion of described piston is the working part of square position shape, described working part is corresponding to the working surface position of described friction plate assembly, the inner peripheral portion of described piston is set in the shaft sleeve part of described rotor input shaft, barrel-shaped portion is provided with between described outer peripheral portion and described inner peripheral portion, described barrel-shaped portion forms a chamber around described shaft sleeve part, described return spring and described equalizing piston are arranged in described chamber, and the inner peripheral portion of described piston axially stretches in the space that described interior hub surrounds.
Further, an end face of described piston is provided with annular groove, and an end face of described rotor input shaft is provided with flange collar, and described flange collar to stretch in described groove and is tightly connected.
Further, the shaft sleeve part of described rotor input shaft arranges with the other parts split of described rotor input shaft and welds.
Further, described interior hub welds with described interior hub input shaft.
After have employed technique scheme, the invention has the beneficial effects as follows:
1) due to working part that the outer peripheral portion of piston is square position shape, inner peripheral portion is set in the shaft sleeve part of a power transmission part, barrel-shaped portion is provided with between described outer peripheral portion and described inner peripheral portion, the barrel-shaped portion of described piston axially stretches in the space that described interior hub surrounds, therefore, piston, interior hub, outer hub and friction plate assembly will form lap in the axial direction, and that stretches into is more, overlapping is more, and axial dimension will be shorter.This structure makes full use of the space in clutch radial direction, gets less axial dimension in return, and versatility is good, is more suitable for using in the automatic transmission of hybrid electric vehicle.
2) because an end face of piston is provided with annular groove, an end face of power transmission part is provided with flange collar, and flange collar to stretch in groove and is tightly connected, and its degree of depth is corresponding to piston stroke, is convenient to mineralization pressure oil pocket.
3) split of rotor input shaft arrange and weld, interior hub arranges with the split of interior hub input shaft and welds, and is be convenient to manufacturing.
Accompanying drawing explanation
Fig. 1 is the structure sectional view of the embodiment of the present invention;
Wherein:
0-housing; 1-clutch; 11-piston; 12-land; 13-axle sleeve; 14-return spring; 15-equalizing piston; The outer hub of 16-; 17-friction plate assembly; Hub in 18-; Hub input shaft in 2-; 3-primary input axle; 31-oil duct; 41-rotor retainer; 42-rotor; 43-stator; A-pressure oil cavity.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in more detail.
As shown in Figure 1, a kind of automatic transmission, is provided with primary input axle 3, clutch 1, motor and interior hub input shaft 2 in housing 0.Primary input axle 3 and interior hub input shaft 2 are coaxially arranged; Primary input axle 3 is for introducing speed changer inside by power, and interior hub input shaft 2 is connected with engine flywheel.
The friction plate assembly 17 that clutch 1 comprises interior hub 18, outer hub 16 and is installed between the two, and piston 11, return spring 14 and equalizing piston 15.Outer hub 16 is fixedly connected with rotor input shaft, and interior hub 18 welds together with interior hub input shaft 2.Friction plate assembly 17 has known structure, is made up of steel disc and friction plate, and steel disc rotates with outer hub 16, and friction plate rotates with interior hub 18, when both are pressed together, and the moment of torsion transmission in frictionally realizes between hub 18 and outer hub 16.
Motor comprises stator 43 and rotor 42, and stator 43 is arranged on housing 0, and rotor 42 is installed on rotor retainer 41, and rotor retainer 41 is connected with rotor input shaft, and the sheathed and key of rotor input shaft is connected on primary input axle 3.Rotor input shaft is a more complicated and important part, and in the present embodiment, it has been divided into two bodies, and a part is land 12, and a part is axle sleeve 13, and both weld together, and such structure is mainly convenient to manufacturing.
Mineralization pressure oil pocket A between the respective surfaces of rotor input shaft and piston 11, in order to pass into hydraulic oil in pressure oil cavity A, primary input axle 3 is arranged oil duct 31, axle sleeve 13 also can arrange oil duct (not shown), and the elastic force of Returnning spring 14 makes piston 11 reset.
Piston 11 is functionally named, but its shape and common oil cylinder piston are very different, and the core of the present invention's design concentrates on this.
The outer peripheral portion of piston 11 is the working part of square position shape, this working part is corresponding to the working surface position of friction plate assembly 17, that is, and the working part of piston 11 and friction plate assembly axially-aligned, working part due to piston 11 is square position shape, thus has less axial dimension.
The inner peripheral portion of piston 11 is set on rotor input shaft and (is sheathed on specifically on axle sleeve 13), barrel-shaped portion is provided with between described outer peripheral portion and described inner peripheral portion, described barrel-shaped portion forms a chamber around axle sleeve 13, and the inner peripheral portion of piston 11 axially stretches in the space that interior hub 18 surrounds.Like this, piston 11, interior hub 18, outer hub 16 and friction plate assembly 17 will form lap in the axial direction, and that stretches into is more, and overlapping is more, and axial dimension will be shorter.This structure makes full use of the space in clutch radial direction, gets less axial dimension in return, and versatility is good, is more suitable for using in the automatic transmission of hybrid electric vehicle.Described chamber is for installing return spring 14 and equalizing piston 15, and this structure is known, does not repeat at this.
An end face of piston 11 is also provided with annular groove, and an end face of rotor input shaft (specifically land 12) is provided with flange collar, and described flange collar to stretch in described groove and is tightly connected, with mineralization pressure oil pocket A.
Use above-mentioned clutch, this speed changer has following power transmission line:
When clutch closes, motor can provide power separately, and motor and motor also can provide power jointly.
1) engine flywheel → interior hub input shaft 2 → interior hub 18 → friction plate assembly 17 → outer hub 16 → rotor input shaft → primary input axle 3.
2) rotor 42 → rotor input shaft → primary input axle 3.
When clutch disconnects, motor can provide power separately, that is: rotor 42 → rotor input shaft → primary input axle 3.
Claims (4)
1. an automatic transmission, comprising:
Housing, is provided with primary input axle, clutch, motor and interior hub input shaft in described housing; Described primary input axle and described interior hub input shaft are coaxially arranged;
The friction plate assembly that described clutch comprises interior hub, outer hub and is installed between the two, and piston, return spring and equalizing piston; Described outer hub is fixedly connected with rotor input shaft, and described interior hub is fixedly connected with described interior hub input shaft, mineralization pressure oil pocket between described rotor input shaft and the respective surfaces of described piston;
Described motor comprises stators and rotators, and described rotor is installed on rotor retainer, and described rotor retainer connects described rotor input shaft, and described rotor input shaft is sheathed and key is connected on described primary input axle;
It is characterized in that,
The outer peripheral portion of described piston is the working part of square position shape, described working part is corresponding to the working surface position of described friction plate assembly, the inner peripheral portion of described piston is set in the shaft sleeve part of described rotor input shaft, barrel-shaped portion is provided with between described outer peripheral portion and described inner peripheral portion, described barrel-shaped portion forms a chamber around described shaft sleeve part, described return spring and described equalizing piston are arranged in described chamber, and the inner peripheral portion of described piston axially stretches in the space that described interior hub surrounds.
2. automatic transmission as claimed in claim 1, it is characterized in that, an end face of described piston is provided with annular groove, and an end face of described rotor input shaft is provided with flange collar, and described flange collar to stretch in described groove and is tightly connected.
3. automatic transmission as claimed in claim 1 or 2, it is characterized in that, the shaft sleeve part of described rotor input shaft arranges with the other parts split of described rotor input shaft and welds.
4. automatic transmission as claimed in claim 3, it is characterized in that, described interior hub welds with described interior hub input shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511024415.3A CN105422679A (en) | 2015-12-30 | 2015-12-30 | Automatic transmission for hybrid electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511024415.3A CN105422679A (en) | 2015-12-30 | 2015-12-30 | Automatic transmission for hybrid electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105422679A true CN105422679A (en) | 2016-03-23 |
Family
ID=55501131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511024415.3A Pending CN105422679A (en) | 2015-12-30 | 2015-12-30 | Automatic transmission for hybrid electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105422679A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107738570A (en) * | 2017-10-25 | 2018-02-27 | 哈尔滨东安汽车发动机制造有限公司 | A kind of coupling mechanism for hybrid electric vehicle |
| CN108006108A (en) * | 2017-12-30 | 2018-05-08 | 盛瑞传动股份有限公司 | Clutch |
| WO2019161830A1 (en) * | 2018-02-22 | 2019-08-29 | Schaeffler Technologies AG & Co. KG | Friction clutch for a drivetrain of a motor vehicle having at least an actuating surface formed by at least one connecting means |
| CN116587834A (en) * | 2023-07-19 | 2023-08-15 | 浙江万里扬新能源驱动有限公司杭州分公司 | Hybrid control system for vehicle |
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| JP2004001708A (en) * | 2002-04-03 | 2004-01-08 | Aisin Aw Co Ltd | Driving device for hybrid vehicle |
| US20100126820A1 (en) * | 2008-11-26 | 2010-05-27 | Yamaha Hatsudoki Kabushiki Kaisha | Friction clutch, vehicle equipped with the same, and assembly method of friction clutch |
| CN102384248A (en) * | 2011-10-21 | 2012-03-21 | 盛瑞传动股份有限公司 | Gear assembly for automatic transmission case |
| KR101155646B1 (en) * | 2009-04-17 | 2012-06-13 | 씨스톤 테크놀로지스(주) | Clutch and automatic transmission provided with the same |
| US20130213043A1 (en) * | 2012-02-10 | 2013-08-22 | Satoru Kasuya | Hybrid Drive Device |
| DE112013004665T5 (en) * | 2012-11-19 | 2015-06-11 | Aisin Aw Co., Ltd. | automatic transmission |
| CN205278150U (en) * | 2015-12-30 | 2016-06-01 | 盛瑞传动股份有限公司 | Automatic gearbox for hybrid vehicle |
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2015
- 2015-12-30 CN CN201511024415.3A patent/CN105422679A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004001708A (en) * | 2002-04-03 | 2004-01-08 | Aisin Aw Co Ltd | Driving device for hybrid vehicle |
| US20100126820A1 (en) * | 2008-11-26 | 2010-05-27 | Yamaha Hatsudoki Kabushiki Kaisha | Friction clutch, vehicle equipped with the same, and assembly method of friction clutch |
| KR101155646B1 (en) * | 2009-04-17 | 2012-06-13 | 씨스톤 테크놀로지스(주) | Clutch and automatic transmission provided with the same |
| CN102384248A (en) * | 2011-10-21 | 2012-03-21 | 盛瑞传动股份有限公司 | Gear assembly for automatic transmission case |
| US20130213043A1 (en) * | 2012-02-10 | 2013-08-22 | Satoru Kasuya | Hybrid Drive Device |
| DE112013004665T5 (en) * | 2012-11-19 | 2015-06-11 | Aisin Aw Co., Ltd. | automatic transmission |
| CN205278150U (en) * | 2015-12-30 | 2016-06-01 | 盛瑞传动股份有限公司 | Automatic gearbox for hybrid vehicle |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107738570A (en) * | 2017-10-25 | 2018-02-27 | 哈尔滨东安汽车发动机制造有限公司 | A kind of coupling mechanism for hybrid electric vehicle |
| CN108006108A (en) * | 2017-12-30 | 2018-05-08 | 盛瑞传动股份有限公司 | Clutch |
| WO2019161830A1 (en) * | 2018-02-22 | 2019-08-29 | Schaeffler Technologies AG & Co. KG | Friction clutch for a drivetrain of a motor vehicle having at least an actuating surface formed by at least one connecting means |
| CN111683833A (en) * | 2018-02-22 | 2020-09-18 | 舍弗勒技术股份两合公司 | Friction clutch for a motor vehicle drive train having at least one actuating surface formed by at least one connecting device |
| US11408469B2 (en) | 2018-02-22 | 2022-08-09 | Schaeffler Technologies AG & Co. KG | Friction clutch for a drivetrain of a motor vehicle having at least an actuating surface formed by at least one connecting means |
| CN111683833B (en) * | 2018-02-22 | 2023-10-20 | 舍弗勒技术股份两合公司 | Friction clutch for a motor vehicle drive train having at least one actuating surface formed by at least one connecting device |
| CN116587834A (en) * | 2023-07-19 | 2023-08-15 | 浙江万里扬新能源驱动有限公司杭州分公司 | Hybrid control system for vehicle |
| CN116587834B (en) * | 2023-07-19 | 2023-10-13 | 浙江万里扬新能源驱动有限公司杭州分公司 | Hybrid control system for vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160323 |