CN103867598B - Operating system with a restoring spring integrated in the piston - Google Patents
Operating system with a restoring spring integrated in the piston Download PDFInfo
- Publication number
- CN103867598B CN103867598B CN201310692531.7A CN201310692531A CN103867598B CN 103867598 B CN103867598 B CN 103867598B CN 201310692531 A CN201310692531 A CN 201310692531A CN 103867598 B CN103867598 B CN 103867598B
- Authority
- CN
- China
- Prior art keywords
- piston
- operating system
- cylinder
- reset spring
- annular
- 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.)
- Expired - Fee Related
Links
- 238000005119 centrifugation Methods 0.000 claims description 15
- 238000007789 sealing Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241000283725 Bos Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
- F16D25/082—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members co-inciding with the axis of rotation
- F16D25/083—Actuators therefor
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
Operating system for a clutch, having an annular cylinder which is formed by a housing, wherein an annular piston is arranged in the cylinder, which annular piston is movable in the cylinder in the axial axis direction and which annular piston divides the cylinder into a pressure chamber and a centrifugal oil chamber, characterized in that the piston has at least one recess in the centrifugal oil chamber, in which at least one return spring is arranged, so that the piston is movable by the at least one return spring against the operating direction.
Description
Technical field
The present invention relates to a kind of operating systems of friction clutch for being arranged between driving unit and speed changer.
Background technique
This operating device has the operating parts (such as piston) axially movable by operating element along guiding area,
The operating parts acts on operating mechanism, such as the lever or disc spring tongue of clutch.The operating element for example may be used
To be the lever being pivotally supported, such as clutch pedal.It is described it is known, for example for the operating system of wet-type dual-clutch
In, it has proved that it is available in enging cabin, for the operating system space it is often insufficient.
Summary of the invention
Thus, task of the invention lies at least being partially solved referring to the technical issues of description of the prior art, especially
Provide a kind of operating system particularly compact, for clutch.
The task is solved using the device of the invention.The present invention points out, the spy individually enumerated in each optional technical solution
Sign can by it is arbitrary, have technical meaning in a manner of be combined with each other, and limit other technical solutions of the invention.In addition,
The feature illustrated in claim is described in detail and is explained in the description, and which describe other optimization techniques of the invention
Scheme.
Operating system according to the present invention for clutch has an annular cylinder, and the cylinder of the annular passes through one
Shell is constituted, wherein and annular piston is arranged in the cylinder, and the piston moves on the direction of axial axis in cylinder,
And the piston divides the cylinder into pressure chamber and centrifugation oil pocketWherein, the piston is in the centrifugation
There is at least one empty slot in oil pocket, at least one reset spring is arranged at least one described empty slot, thus the piston
It can be mobile against operation direction by least one reset spring.
Here the operating system proposed is used for the engagement and disengaging of clutch, so as to interrupt from the driving engine of automobile to
Torque transfer on speed changer.The clutch is preferably the double clutch of double-clutch speed changer.The operating system has shell
Body, the shell constitute the cylinder of annular.The shell and/or be especially ring-shaped cylinder be preferably substantially rotational symmetry and because
This limits an axial axis and orthogonally from the radial direction of the axis.The shell is preferably made of metal and has
There are 90 interior diameters for arriving 100mm.In addition, the shell preferably has 125 to 135mm overall diameter.In addition, the shell is in axis
There is 20 to 40mm length on axis direction.The cylinder of the annular preferably has 15 to arrive 35mm's on axial axis direction
Length and in radial directions with 12 to 18mm development length.Annular piston is arranged in the annular being made up of shell
In cylinder, the annular piston is moved on axial axis direction and is stretched out by an especially annular hole from shell.Institute
It states piston to be applied on the operating mechanism of the clutch by its movement in cylinder, such as lever and disc spring tongue.This
Outside, the piston divides the cylinder into pressure chamber and centrifugation oil pocket.High pressure oil can be transported to pressure chamber by pressure oil supply portion
In, so that the piston can be moved hydraulically on operation direction on axial axis direction in cylinder.The piston is further preferably
With pressure chamber seal, they seal the pressure chamber relative to the centrifugation oil pocket.Pressure chamber seal for example can be with
It is one or more sealing rings.In addition, the piston it is described centrifugation oil pocket region in have at least one empty slot, at least one
A reset spring is arranged in the empty slot, so that the piston can be moved by least one reset spring against operation direction
It is dynamic.The empty slot preferably extends over 11 to 31mm and (each) extension on the circumferencial direction of the piston on axial axis direction
It is preferred that 8 to 15mm.At least one described reset spring preferably has the rigidity of 5 to 10N/mm (every millimeter of oxen).Described at least one
A empty slot refers to the material notch in the piston, so that reset spring may be arranged in material notch.If by the way that oil is drawn
Entering into pressure chamber and presses the piston from the shell on operation direction, then the reset spring is compacted, thus
Once oily pressure reduces in pressure chamber, the reset spring makes the piston reset against the operation direction.
An embodiment according to the present invention, at least one described empty slot extend through the work in radial directions
Plug.At least one described reset spring can be particularly simply mounted at least one described empty slot as a result,.
Preferably, the piston has cross section T-shaped in the axial direction, with radial zone and axial area
Domain.The radial zone substantially completely passes through cylinder in radial directions and extends.
It is particularly advantageous that the operating system has multiple empty slots, they are distributed on the circumferencial direction of the piston
Ground arrangement.The piston can pass through at least one described reset spring particularly evenly against institute in the cylinder of annular as a result,
It is mobile to state operation direction.
It is also advantageous that at least one described reset spring is supported against on the direction of axial axis using first end
On the housing.At least one described reset spring can be particularly easy to make the piston against the operation side as a result,
To movement.
Preferably, the centrifugation oil pocket has a looping pit on axial axis direction, and the piston is at least partly
Extend through the looping pit.
Preferably, at least one described reset spring is helical spring.
Particularly advantageously, at least one described reset spring is arranged at least one retainer.By it is described at least
One retainer, at least one described reset spring can be reliably positioned at least one empty slot of the piston.It is preferred that
Ground, the retainer are made of an internal retainer and an external retainer.
The present invention also proposes that a kind of clutch for automotive transmission, the clutch have extremely according to another aspect,
A few operations according to the instant invention system.The explanation of operating system described in reference pair in this respect.
The operating system is preferred in the preferably wet-type dual-clutch of plate clutch.
Further, the present invention proposes the automobile with driving system, which, which has, has clutch according to the present invention
The speed changer of device.The explanation of clutch described in reference pair and especially operating system in this respect.
Detailed description of the invention
Below with reference to the accompanying drawings the present invention and technical field are explained in detail.It is noted that attached drawing shows spy of the invention
Other preferred embodiment, however, the present invention is not restricted to these particularly preferred embodiment.Attached drawing is schematically shown:
Fig. 1 shows the automobile with speed changer on axial axis direction, and the speed changer has operating system；
Fig. 2 shows the operating system of Fig. 1 with vertical section；
Fig. 3 illustrates the operating system of Fig. 1 and 2 with perspective cross-sectional；
Fig. 4 shows the detail drawing of the cylinder of the annular of the operating system according to Fig. 1-3 with vertical section；
Fig. 5 illustrates annular piston with solid；With
Fig. 6 shows the annular piston with reset spring of Fig. 5.
Specific embodiment
Fig. 1 shows the schematic diagram of the automobile 22 with speed changer 23 and clutch 2, wherein clutch 2 can pass through operation system
1 coupling of system and decoupling.Operating system 1 has toroidal shell 4, and toroidal shell 4 constitutes the cylinder 3 of annular.Then, operating system 1 has
There is axial axis 6, extends in Fig. 1 perpendicular to plan.
Fig. 2 shows the vertical sections of the operating system 1 by Fig. 1.Shell 4 constitutes the cylinder 3 of annular, and piston 5 is in axial axis 6
Direction on annular cylinder 3 in move.Shell 4 has interior diameter in the region of the cylinder 3 of annular in radial direction 12
24 and overall diameter 25.In addition, shell 4 has length 26 in the region of the cylinder 3 of annular on the direction of longitudinal axis 6.
Fig. 3 show Fig. 2, with annular cylinder 3 operating system 1 vertical section perspective view.
Fig. 4 shows the enlarged detail view of the cylinder 3 of the annular of operating system 1.The cylinder 3 of annular passes through shell in this embodiment
4 are constituted, and shell 4 is made of housing inner portion 32 and housing outer portion 33.Moreover, housing inner portion 32 has centrifugal oil
Supply portion 31.Moreover, the cylinder 3 of annular is closed by lid 29, lid 29 has oil-in 35.Piston 5 is arranged in the cylinder 3 of annular
Portion.Piston 5 has radial zone 14, and the cylinder 3 that radial zone 14 substantially completely passes through annular in radial direction 12 extends.This
Outside, piston 5 has axial region 15, and axial region 15 extends through the looping pit 18 of shell 4 from the cylinder 3 of annular.The diameter of piston 5
The cylinder 3 of annular is divided into pressure chamber 7 and centrifugation oil pocket 8 to region 14.Pass through pressure oil supply portion 28 and passes through entrance 35, oil
It can be introduced into pressure chamber 7, so that piston 5 can be on the direction in operation direction 11, be especially parallel to axial axis 6 (here
Be not shown) direction it is mobile.In addition, the tool of radial zone 14 of piston 5 is there are two pressure chamber seal 30, pressure chamber 7 is utilized
Pressure chamber seal 30 is sealed relative to centrifugation oil pocket 8.In addition, centrifugation oil pocket sealing element 34 is arranged in the region of looping pit 18
In, it can be escaped from without centrifugal oil from the hole 18 of centrifugation oil pocket 8.By radial zone 14 and axial region 15, piston 5 exists
There is T shape cross section 13 on 6 direction of axial axis not shown here.In addition, the axial region 15 of piston 5 has empty slot 9, it is multiple
Position spring 10 is arranged in empty slot 9.In embodiment as shown here, it is helical spring that reset spring, which is 10,.Reset spring 10
With first end 17 and the second end 27.Reset spring 10 is pressed on shell 4 using first end 17, utilizes the second end 27
It is pressed on radial zone 14, so that piston 5 can move in the cylinder 3 of annular against operation direction 11.In order to make reset spring 10
It is reliably held in radial direction 12 in the empty slot 9 of piston 5, the reset spring is arranged in retainer 19, retainer
19 are made of internal retainer 20 and external retainer 21.
Fig. 5 illustrates piston 5 with solid, and piston 5 has radial zone 14 and axial region 15, and axial region 15 has more
A empty slot 9 arranged to distribution on circumferencial direction 16.
Fig. 6 shows the enlarged view of piston 5, and piston 5 has the reset spring 10 being arranged in empty slot 9, reset spring 10
It is fixed by the retainer 19 being made of internal retainer 20 and external retainer 21.
Operating system features described here are particularly compact structure.
Reference signs list
1 operating system
2 clutches
The cylinder of 3 annulars
4 shells
5 pistons
6 axial axis
7 pressure chambers
8 centrifugation oil pockets
9 empty slots
10 reset springs
11 operation directions
12 radial directions
13 cross sections
14 radial zones
15 axial regions
16 circumferencial directions
17 first ends
18 holes
19 retainers
20 inside retainers
21 outside retainers
22 automobiles
23 speed changers
24 interior diameters
25 overall diameters
26 length
27 the second ends
28 pressure oil supply portions
29 lids
30 pressure chamber seals
31 centrifugal oil supply portions
32 housing inner portions
33 housing outer portions
34 centrifugation oil pocket sealing elements
35 entrances
Claims (10)
1. being used for the operating system (1) of clutch (2), there is the cylinder (3) for the annular being made up of shell (4), wherein annular is living
Plug (5) is arranged in the cylinder (3), and the piston (5) moves simultaneously on the direction of axial axis (6) in the cylinder (3)
And the cylinder (3) is divided into pressure chamber (7) and centrifugation oil pocket (8) by the piston (5), which is characterized in that the piston (5) is in institute
Stating has at least one empty slot (9) in centrifugation oil pocket (8), at least one reset spring (10) is arranged at least one described empty slot
(9) in, so that the combination of at least one described reset spring is in the piston (5), wherein the piston (5) passes through institute
It is removable against operation direction (11) to state at least one reset spring (10).
2. operating system (1) according to claim 1, wherein at least one described empty slot (9) extends in radial directions
Across the piston (5).
3. operating system (1) according to claim 1 or 2, wherein the piston (5) has in the side of axial axis (6)
T-shaped cross section upwards, with radial zone (14) and axial region (15).
4. operating system (1) according to claim 1 or 2, have multiple empty slots (9), their circles in the piston (5)
Distribution ground arrangement in circumferential direction.
5. operating system (1) according to claim 1 or 2, wherein at least one described reset spring (10) utilizes first
It props up and is born against on the shell (4) on the direction of the axial axis (6) in end (17).
6. operating system (1) according to claim 1 or 2, wherein side of centrifugation oil pocket (8) in axial axis (6)
There are looping pit (18) upwards, the piston (5) at least partly extends through the looping pit (18).
7. operating system (1) according to claim 1 or 2, wherein at least one described reset spring (10) is spiral bullet
Spring.
8. operating system (1) according to claim 1 or 2, wherein at least one described reset spring (10) be arranged in
In a few retainer (19).
9. the clutch (2) of the speed changer (23) for automobile (22) has at least one according to claim 1 to any in 8
Operating system (1) described in.
10. automobile (22), has driving system, the driving is comprising with clutch according to claim 9 (2)
Speed changer (23).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012223351 | 2012-12-17 | ||
| DE102012223351.2 | 2012-12-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103867598A CN103867598A (en) | 2014-06-18 |
| CN103867598B true CN103867598B (en) | 2019-04-16 |
Family
ID=50821637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310692531.7A Expired - Fee Related CN103867598B (en) | 2012-12-17 | 2013-12-17 | Operating system with a restoring spring integrated in the piston |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103867598B (en) |
| DE (1) | DE102013224473A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2163223A (en) * | 1984-07-07 | 1986-02-19 | Bendix Ltd | Multi-plate clutch in compressor assembly |
| US5042631A (en) * | 1988-12-20 | 1991-08-27 | Renault Vehicules Industriels | Electropneumatic clutch control device |
| CN101523072A (en) * | 2006-10-27 | 2009-09-02 | Nok株式会社 | Piston with built-in seal |
| EP2123929A1 (en) * | 2008-05-07 | 2009-11-25 | ZF Friedrichshafen AG | Coupling assembly, in particular for optional rotational coupling of an entry shaft, in particular of a compressor in a vehicle, with a drive organ |
| CN101709750A (en) * | 2009-12-03 | 2010-05-19 | 重庆青山工业有限责任公司 | Wet-type multi-disc clutch |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62246631A (en) * | 1986-04-18 | 1987-10-27 | Jidosha Kiki Co Ltd | Clutch operating device |
| KR100452199B1 (en) * | 2002-04-16 | 2004-10-08 | 현대자동차주식회사 | apparatus for adjusting pressure of a clutch booster |
| KR100520312B1 (en) * | 2003-11-06 | 2005-10-14 | 현대자동차주식회사 | Variable clutch booster |
| JP4293264B2 (en) * | 2007-04-26 | 2009-07-08 | トヨタ自動車株式会社 | Friction engagement device for automatic transmission |
-
2013
- 2013-11-29 DE DE201310224473 patent/DE102013224473A1/en not_active Withdrawn
- 2013-12-17 CN CN201310692531.7A patent/CN103867598B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2163223A (en) * | 1984-07-07 | 1986-02-19 | Bendix Ltd | Multi-plate clutch in compressor assembly |
| US5042631A (en) * | 1988-12-20 | 1991-08-27 | Renault Vehicules Industriels | Electropneumatic clutch control device |
| CN101523072A (en) * | 2006-10-27 | 2009-09-02 | Nok株式会社 | Piston with built-in seal |
| EP2123929A1 (en) * | 2008-05-07 | 2009-11-25 | ZF Friedrichshafen AG | Coupling assembly, in particular for optional rotational coupling of an entry shaft, in particular of a compressor in a vehicle, with a drive organ |
| CN101709750A (en) * | 2009-12-03 | 2010-05-19 | 重庆青山工业有限责任公司 | Wet-type multi-disc clutch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103867598A (en) | 2014-06-18 |
| DE102013224473A1 (en) | 2014-06-18 |
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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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190416 |