CN109058321A - A kind of wet-type dual-clutch elastic piston reply structure - Google Patents
A kind of wet-type dual-clutch elastic piston reply structure Download PDFInfo
- Publication number
- CN109058321A CN109058321A CN201810861153.3A CN201810861153A CN109058321A CN 109058321 A CN109058321 A CN 109058321A CN 201810861153 A CN201810861153 A CN 201810861153A CN 109058321 A CN109058321 A CN 109058321A
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- CN
- China
- Prior art keywords
- piston
- clutch
- spring
- muscle
- dummy
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- 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.)
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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
- F16D25/12—Details not specific to one of the before-mentioned types
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
A kind of wet-type dual-clutch elastic piston reply structure, it is characterized by comprising two dummy pistons, the dummy piston uses spring steel as raw material, spring muscle is laid on dummy piston, there are three types of states, respectively free state, throw-out-of clutch working condition, clutch combination working condition for spring muscle, when double clutch is completed to assemble, spring muscle is in throw-out-of clutch working condition, and two clutches at this time are normally opened, and spring muscle has initial elastic force to piston；The invention has the advantages that piston returning spring of the invention is integrated in dummy piston, dummy piston uses spring steel as raw material, so that the piston of wet clutch is replied structure and no longer needs that spring specially is arranged, realizes spring function by dummy piston.Clutch plunger reply structure is more simple and compact, part is less, weight is lighter, cost is lower.Therefore piston can also be designed simpler, piston cap can be to intermediate arrangement, and double clutch is so as to being designed more compact.
Description
Technical field
The present invention relates to a kind of automobile wet-type double-clutch speed changers.
Background technique
In recent years, double-clutch speed changer (DCT) is due to its blueness of the outstanding performance by more and more automobile vendors
It looks at, wherein core component of the double clutch as double-clutch speed changer, performance and cost just seem for double clutch
It is particularly critical.Double clutch is divided into dry type and wet type, and all there are two clutch, the wherein "Off" of wet-type dual-clutch and " conjunctions " for tool
It is to reply structure etc. by piston, oil pressure chamber, the piston in clutch and realize.Chinese patent discloses a kind of " for double clutches
The dual clutch pack of device speed changer " (notification number: CN104768786A), it is radial to be sequentially arranged the first clutch from outside to inside
Device, second clutch, two pistons being axially arranged in parallel and its reply structure.Wherein usually wrapped in piston and its reply structure
Containing piston, piston cap, spring assembly, dummy piston and the main rotating hub for supporting these components.When clutch needs to separate,
I.e. piston needs to reply, and the reply of piston at this time is to discharge elastic potential energy by compressed spring, generates elastic force, pushes piston
It replys, clutch separation.The reply structure must be participated in by the spring assembly being specially equipped with, and structure is relative complex, structure size
It is relatively large.
Summary of the invention
The purpose of the present invention is to provide a kind of wet-type dual-clutch elastic pistons to reply structure, overcomes the double clutches of former wet type
The piston of device spring assembly, which replys structure, makes the disadvantage that clutch configuration is complicated, structure size is big.
A kind of wet-type dual-clutch elastic piston reply structure, it is characterised in that: including two dummy pistons, the balance
Piston uses spring steel as raw material, is laid with spring muscle on dummy piston.
A kind of wet-type dual-clutch elastic piston reply structure, it is characterised in that: there are three types of states for spring muscle, respectively
Free state, throw-out-of clutch working condition, clutch combination working condition, when double clutch is completed to assemble, at spring muscle
In throw-out-of clutch working condition, two clutches at this time are normally opened, and spring muscle has initial elastic force to piston；When pressure oil enters
Oil pressure chamber, and the initial elastic force of piston overpowers spring muscle is pushed, clutch combines, and spring muscle enters clutch combination work shape
State, spring has work elastic force to piston at this time；When clutch needs to disengage, oil pressure chamber loses pressure, and piston is in spring muscle
It is replied under the action of work elastic force.
The invention has the advantages that piston returning spring of the invention is integrated in dummy piston, dummy piston uses spring
Steel makes the piston of wet clutch reply structure and no longer needs that spring specially is arranged, realized by dummy piston as raw material
Spring function.Clutch plunger reply structure is more simple and compact, part is less, weight is lighter, cost is lower.Piston can also be because
This is designed simpler, and piston cap can be to intermediate arrangement, and double clutch is so as to being designed more compact.
Detailed description of the invention
Fig. 1 is structure principle chart of the invention；
Fig. 2 is partial enlarged view at A in Fig. 1
Fig. 3 is the 3-D view of the dummy piston one in the present invention；
Fig. 4 is the semi-section structural schematic diagram of the dummy piston one in the present invention；
Fig. 5 is the 3-D view of the dummy piston two in the present invention；
Fig. 6 is the semi-section structural schematic diagram of the dummy piston two in the present invention；
Fig. 7 is the structural schematic diagram of the piston in the present invention；
Fig. 8 is the 3-D view of the dummy piston another kind structure in the present invention；
In figure: oil pressure chamber 1, piston 1, spring groove 201, dummy piston 1, spring muscle 1, dummy piston 24, bullet
Spring muscle 2 401, piston 25, oil pressure chamber 26, free state 7, working condition 1, working condition 29.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and specific embodiments:
A kind of wet-type dual-clutch elastic piston replys structure, it is characterised in that: including dummy piston 1, dummy piston 24,
The dummy piston 1, dummy piston 24 use spring steel as raw material, are laid with spring muscle one on dummy piston 1
301, spring muscle 2 401 is laid on dummy piston 24.There are three types of states for spring muscle 1, spring muscle 2 401, respectively
For free state 7, throw-out-of clutch working condition, clutch combination working condition, when double clutch is completed to assemble, spring muscle
One 301, spring muscle 2 401 is in throw-out-of clutch working condition, and two clutches at this time are normally opened, spring muscle 1, spring
2 401 pairs of pistons 1 of muscle, piston 25 have initial elastic force.When pressure oil enters oil pressure chamber 1, oil pressure chamber 26, and push piston
One 2, piston 25 overcomes the initial elastic force F1 of spring muscle 1, spring muscle 2 401, and clutch combines, spring muscle 1, bullet
Spring muscle 2 401 enters clutch combination working condition, at this time spring muscle 1,2 401 pairs of pistons 1 of spring muscle, piston 25
There is work elastic force.When clutch needs to disengage, oil pressure chamber 1, oil pressure chamber 26 lose pressure, and piston 1, piston 25 are in bullet
Spring muscle 1, spring muscle 2 401 work elastic force under the action of reply.
The operation principle of the present invention is that: piston returning spring of the invention is integrated in dummy piston 1, dummy piston 24
In, dummy piston uses spring steel as raw material.The structure of dummy piston 1 is shown in attached drawing 3 and attached drawing 4, dummy piston 24
Structure is shown in attached drawing 5 and attached drawing 6, and spring muscle 1, spring muscle two are respectively arranged on dummy piston 1, dummy piston 24
401.There are three types of state, respectively free state 7, one 8(of working condition corresponds to clutch for spring muscle 1, spring muscle 2 401
Device disengage when), two 9(of working condition correspond to clutch combination when).The length of design spring muscle 1, spring muscle 2 401 can be passed through
Degree, width, quantity are required when spring muscle 1, spring muscle 2 401 in running order one and working condition two to obtain
Initial spring force F1 and working spring power F2.One 301 quantity of spring muscle of dummy piston 1 is 12 in attached drawing 3, attached drawing
2 401 quantity of spring muscle of dummy piston 24 is eight in 5, and the spring muscle quantity of dummy piston is also eight in attached drawing 8, but
Spring muscle is oblique stretching.
Before assembly, spring muscle 1, spring muscle 2 401 are in free state 7；In assembling process, piston 1, piston two
5 compress dummy piston 1, the spring muscle 1 on dummy piston 24, spring muscle 2 401 respectively, make spring muscle 1, bullet
Spring muscle 2 401 enters working condition 1 from free state 7；When assembly is completed, spring muscle 1, spring muscle 2 401 are in work
Make state 1, two clutches are normally opened at this time, piston 1, piston 5 respectively by spring muscle 1, spring muscle 2 401 just
The effect of beginning spring force F1.
When speed changer needs to shift gears, a clutch needs to engage, another clutch needs to disengage.For needing to tie
For the clutch of conjunction, oil liquid enters oil pressure chamber 1 or oil pressure chamber 26, and piston 1 or piston 25 are in oil pressure chamber 1 or oil pressure
In chamber 26 under the action of oil pressure, the initial spring force of one 3 upper spring muscle of dummy piston 1 or 24 upper spring of dummy piston are overcome
The initial spring-force driven dual of muscle 2 401 continues compressed spring muscle 1 or spring muscle 2 401, makes spring muscle 1 or spring
Muscle 2 401 enters working condition 29 from working condition 1, and clutch is closed at this time, piston 1 or piston 25 respectively by
The effect of the working spring power of spring muscle 1 or spring muscle 2 401.
When speed changer needs to shift gears, a clutch needs to disengage, another clutch needs to engage.It is de- for needing
For the clutch opened, oil liquid is discharged from oil pressure chamber 1 or oil pressure chamber 26, and piston 1 or piston 25 only receive oil pocket chamber
The oil pressure of remaining, since the oil pressure is smaller, under the action of the working spring power of spring muscle 1 or spring muscle 2 401,
Piston 1 or the reply of piston 25, throw-out-of clutch, spring muscle 1 or spring muscle 2 401 enter work from working condition 29
The active force of state 1,2 401 pairs of pistons 1 of spring muscle 1 or spring muscle or piston 25 becomes from working spring power F2
Initial spring force F1.
At the end of shift of transmission, some clutch is in engagement state, another clutch is in disengaged condition.
At this point, one in running order 29, one in running order 1 in spring muscle 1, spring muscle 2 401.
The present invention is different from spring-return structure in the prior art, it is no longer necessary to spring.Spring in the structure of piston
Slot 201 can remove, and the structure can be simplified, to reduce Sheet Metal Forming Technology and relevant device.
Due to the variation of piston structure, piston cap and other components can be accordingly to intermediate arrangement, the axis of double clutch
To length so as to shortening.
By the reduction of spring assembly, wet-type dual-clutch cost is reduced, amount mitigates about 0.13kg.Pass through the excellent of structure
Change, double clutch and speed changer equipped with the double clutch will be more compact, be conducive to client's arrangement, adapt to more vehicle rings
Border.By the optimization of structure, correlated parts processing technology and double clutch assembly technology will be more simple, and cost is reduced.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Several equivalent substitute or obvious modifications are made under the premise of not departing from present inventive concept, and performance or use is identical, then should
It is considered as belonging to the protection scope that claims that the present invention is submitted determine.
Claims (2)
1. a kind of wet-type dual-clutch elastic piston replys structure, it is characterised in that: including two dummy pistons, the balance is lived
Plug uses spring steel as raw material, is laid with spring muscle on dummy piston.
2. wet-type dual-clutch elastic piston according to claim 1 replys structure, it is characterised in that: spring muscle has three
Kind state, respectively free state, throw-out-of clutch working condition, clutch combination working condition, when double clutch is completed to fill
Timing, spring muscle are in throw-out-of clutch working condition, and two clutches at this time are normally opened, and spring muscle has initial bullet to piston
Power；When pressure oil enters oil pressure chamber, and push the initial elastic force of piston overpowers spring muscle, clutch combines, spring muscle enter from
Clutch combination working condition, spring has work elastic force to piston at this time；When clutch needs to disengage, oil pressure chamber loses pressure,
Piston is replied under the action of the work elastic force of spring muscle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810861153.3A CN109058321A (en) | 2018-08-01 | 2018-08-01 | A kind of wet-type dual-clutch elastic piston reply structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810861153.3A CN109058321A (en) | 2018-08-01 | 2018-08-01 | A kind of wet-type dual-clutch elastic piston reply structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109058321A true CN109058321A (en) | 2018-12-21 |
Family
ID=64832377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810861153.3A Pending CN109058321A (en) | 2018-08-01 | 2018-08-01 | A kind of wet-type dual-clutch elastic piston reply structure |
Country Status (1)
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|---|---|
| CN (1) | CN109058321A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672334A (en) * | 2009-10-14 | 2010-03-17 | 奇瑞汽车股份有限公司 | Clutch of automatic gearbox |
| CN102384248A (en) * | 2011-10-21 | 2012-03-21 | 盛瑞传动股份有限公司 | Gear assembly for automatic transmission case |
| CN102625884A (en) * | 2009-08-28 | 2012-08-01 | 格特拉克·福特传动***有限公司 | Dual clutch assembly for a transmission having two input shafts |
| US20150136812A1 (en) * | 2011-05-26 | 2015-05-21 | Krallmann Kunststoffverarbeitung Gmbh | Dispenser |
| CN104768786A (en) * | 2012-10-19 | 2015-07-08 | 格特拉格传动机构和齿轮工厂赫尔曼·哈根迈尔有限公司&两合公司 | Dual-clutch assembly for a dual-clutch transmission |
| CN105387094A (en) * | 2014-09-03 | 2016-03-09 | Valeo离合器公司 | Transmission system having a double wet clutch mechanism |
| CN106369070A (en) * | 2016-11-09 | 2017-02-01 | 西安法士特汽车传动有限公司 | Clutch lubrication structure and method |
| EP2993367B1 (en) * | 2014-09-03 | 2017-05-31 | Valeo Embrayages | Dual wet clutch mechanism for a transmission system |
-
2018
- 2018-08-01 CN CN201810861153.3A patent/CN109058321A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102625884A (en) * | 2009-08-28 | 2012-08-01 | 格特拉克·福特传动***有限公司 | Dual clutch assembly for a transmission having two input shafts |
| CN101672334A (en) * | 2009-10-14 | 2010-03-17 | 奇瑞汽车股份有限公司 | Clutch of automatic gearbox |
| US20150136812A1 (en) * | 2011-05-26 | 2015-05-21 | Krallmann Kunststoffverarbeitung Gmbh | Dispenser |
| CN102384248A (en) * | 2011-10-21 | 2012-03-21 | 盛瑞传动股份有限公司 | Gear assembly for automatic transmission case |
| CN104768786A (en) * | 2012-10-19 | 2015-07-08 | 格特拉格传动机构和齿轮工厂赫尔曼·哈根迈尔有限公司&两合公司 | Dual-clutch assembly for a dual-clutch transmission |
| CN105387094A (en) * | 2014-09-03 | 2016-03-09 | Valeo离合器公司 | Transmission system having a double wet clutch mechanism |
| EP2993367B1 (en) * | 2014-09-03 | 2017-05-31 | Valeo Embrayages | Dual wet clutch mechanism for a transmission system |
| CN106369070A (en) * | 2016-11-09 | 2017-02-01 | 西安法士特汽车传动有限公司 | Clutch lubrication structure and method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181221 |
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| WD01 | Invention patent application deemed withdrawn after publication |