CN112343936A - Double-clutch operating device suitable for automobile clutch - Google Patents
Double-clutch operating device suitable for automobile clutch Download PDFInfo
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- CN112343936A CN112343936A CN202010770720.1A CN202010770720A CN112343936A CN 112343936 A CN112343936 A CN 112343936A CN 202010770720 A CN202010770720 A CN 202010770720A CN 112343936 A CN112343936 A CN 112343936A
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- pressure chamber
- piston
- sleeve
- sealing ring
- housing
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- 230000009977 dual effect Effects 0.000 claims abstract description 19
- 239000004033 plastic Substances 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 83
- 239000000463 material Substances 0.000 claims description 14
- 229910052782 aluminium Inorganic materials 0.000 claims description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000000295 complement effect Effects 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 6
- 229920006128 poly(nonamethylene terephthalamide) Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 238000005457 optimization Methods 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
Images
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
- F16D25/08—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
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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
-
- 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
- F16D25/14—Fluid pressure control
-
- 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
- F16D2300/00—Special features for couplings or clutches
- F16D2300/08—Details or arrangements of sealings not provided for in group F16D3/84
-
- 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
- F16D25/10—Clutch systems with a plurality of fluid-actuated clutches
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Sealing Devices (AREA)
Abstract
The invention relates to a dual clutch actuation device (1) for a clutch of a motor vehicle, in particular a passenger car, comprising: a housing element (2) with a first (3) and a second hollow-cylindrical pressure chamber (4), wherein the housing element (2) consists of plastic, a first piston element (5), a second piston element (6), wherein the first piston element (5) is arranged movably in the first pressure chamber (3) and the second piston element (6) is arranged movably in the second pressure chamber (4), wherein the double clutch operating device has a wear reducing device (7) for establishing a friction and wear optimized pairing between the housing element (2) and at least one of the two piston elements (5, 6).
Description
Technical Field
The invention relates to a double-clutch operating device suitable for a clutch of an automobile, in particular to a car.
Background
Conventional clutch operating devices allow the use of relatively long plastic piston elements in the available installation space. The length/diameter ratio of the clutch operating device piston element is typically in the range of 0.5.
In the case of aluminum double clutch actuators, the piston elements used are also short due to the relatively short axial installation space.
The length/diameter ratio of the piston element is usually in the range of 0.1. This results in a very high surface pressure between the piston element and the housing element.
As a result, relatively severe abrasive wear can occur on the piston element and/or the housing element, which in extreme cases can lead to failure of the dual clutch actuation device.
Disclosure of Invention
The object of the present invention is therefore to provide a dual clutch actuating device for a clutch of a motor vehicle, in particular a passenger car, which, with the use of a housing made of plastic, can reduce or preferably completely eliminate the abrasive wear between the piston element and the housing element.
According to the invention, the object is achieved by the features of the independent claims. The dependent claims describe further advantageous developments.
According to the invention, the double-clutch operating device suitable for the clutch of the automobile, especially the car, comprises:
a housing element with a first and a second hollow-cylindrical pressure chamber,
-wherein the housing element is preferably composed of plastic,
-a first piston element having a first piston diameter,
-wherein the first piston element is preferably composed of plastic,
-a second piston element having a piston rod,
-wherein the second piston element is preferably composed of plastic, and
wherein the first piston element is movably arranged in the first pressure chamber and the second piston element is movably arranged in the second pressure chamber.
The double clutch actuation device preferably has a wear reduction device for forming a friction and wear optimized pairing between the housing element and at least one of the two piston elements.
It is further preferred that the length/diameter ratio of the first and/or second piston element is in the range of 0.1.
In a preferred embodiment, the wear reducing means are designed as a sealing ring support element made of a sliding optimized material, in particular POM or PA9 t.
It is also preferred that the sealing ring support element is slidably arranged on the housing element, in particular on an inner annular housing wall of the first or second pressure chamber. Thereby allowing the combination of the seal ring support member and the housing member to guide the respective piston member.
The sealing ring support element is preferably arranged on the first or second piston element.
It is also possible to arrange a sealing ring support element on each piston element.
It can also be provided that the sealing ring support element is arranged on the one hand on the first or second piston element and on the other hand is fixed, in particular in a clamping manner, to the sealing ring element for sealing the pressure chamber.
Advantageously, in a cross section along the displacement axis, the first and/or second piston element has a height in the radial direction inside the first and/or second pressure chamber which is less than 75% of the height of the first and/or second pressure chamber.
It is also advantageous if the height of the first and/or second pressure chamber is equal to the distance between the radially inner and the radially outer annular housing wall of the respective pressure chamber.
It is also advantageous if, in the radially inner annular housing wall of the first and/or second pressure chamber, the sealing ring support element has a bearing surface for bearing in contact against the radially inner annular housing wall.
The cross section of the sealing ring support element is preferably designed in the shape of an h.
In a further preferred embodiment, the wear reducing device is designed as a sliding belt element made of a sliding-optimized material, in particular POM or PTFE.
The slide element is preferably arranged slidably on the housing element, in particular on an inner annular housing wall of the pressure chamber, whereby the combination of the slide element and the housing element guides the piston element.
It is also advantageous if the slide element is arranged on the first or second piston element.
The slide belt element is preferably arranged on the respective piston element.
The slide element is advantageously arranged in a bearing on the first or second piston element, in particular in a clamping manner or a material fit.
It is also advantageous if the geometric design of the bearing is complementary to the slide-strip element.
It is also advantageous if a sliding element or a sliding element in each case abuts in a slidable manner against a radially inner annular housing wall of the first and/or second pressure chamber.
It can also be provided that the slide element is designed as a hollow cylinder.
In a further preferred embodiment, the wear reducing means is designed as a sleeve element made of a sliding-optimized material suitable for the sealing ring element, in particular steel or aluminum.
The sleeve element is preferably designed as a hollow cylinder with a base at the axial end, so that the sleeve element forms a pressure chamber.
The sleeve element preferably forms the first or the second pressure chamber.
It is also advantageous if the first sleeve element forms a first pressure chamber and the second sleeve element forms a second pressure chamber. Thereby, the piston element can be moved in the respective pressure chamber or in the respective sleeve element.
Advantageously, the first and second sleeve elements are designed together as one part.
Furthermore, it is advantageous if the dual clutch actuation device has a first sealing ring element and/or a second sealing ring element for sealing the respective pressure chamber.
It is also advantageous if the first sealing ring element is arranged on the first piston element and/or the second sealing ring element is arranged on the second piston element.
It is also possible for the first and/or second sealing ring element to abut against the first and/or second sleeve element in a slidable manner, in particular only in a slidable manner.
Advantageously, the housing element forms a seat for the sleeve element.
It is also advantageous if the sleeve element has a first region for receiving the piston element. Thereby the piston element is movably arranged inside the first area.
The sleeve element preferably has a second region which is used as a pressure fluid supply connection for the housing element.
It can also be provided that the housing element, in particular its support, has a geometric design which is complementary to the first and/or second sleeve element in order to form a form-fitting connection at least in sections with the respective sleeve element and in particular to fix the first and/or second sleeve element or the sleeve element as a whole in a clamping manner.
It is also possible to provide a shoulder between the first and second region, on which a sealing element, in particular a sealing element designed as an O-ring, is arranged in order to seal the second region against leakage. Thereby, the pressure chamber can be supplied with pressurized fluid in a sealed manner from the housing element to the sleeve element.
It is also preferred that the sleeve element is made of metal (e.g. steel, aluminium).
In a further preferred embodiment, the wear reducing means is designed as a sleeve element made of a sliding-optimized material suitable for the sealing element, in particular steel or aluminum.
The sleeve element is preferably designed in the form of a ring and is t-shaped in cross section.
Advantageously, the two piston elements or the first and/or second piston element are centered on the sleeve element.
The sleeve element preferably forms together with the housing element a first and/or a second pressure chamber.
Furthermore, it is preferred that the double clutch actuation device has a first sealing ring element and/or a second sealing ring element for sealing the respective pressure chamber.
Advantageously, the first sealing ring element is arranged on the first piston element and/or the second sealing ring element is arranged on the second piston element.
It is also advantageous if the first and/or second sealing ring element abuts slidably against the sleeve element on the one hand and against the housing element on the other hand.
It is also advantageous if the sleeve element is arranged in the radial direction between the first and the second piston element in order to form a sliding surface for the sealing ring element.
It is also possible that the housing element forms a bearing for the sleeve element.
Advantageously, the sleeve element has a first region for movably sliding the piston element, wherein the sleeve element preferably has a second region which is used as an interface with the housing element.
It is also advantageous if a piston element is arranged in a movable manner inside the first region.
It can also be provided that the housing element is geometrically designed complementary to the sleeve element, in particular its second region, in order to form an at least partially positive fit connection with the sleeve element and in particular to fix the sleeve element in a clamping manner.
It is also possible to provide a shoulder between the first and second region of the sleeve element, on which a sealing element, in particular a sealing element designed as an O-ring, is arranged in order to seal the second region.
It is also preferred that the sleeve element is made of metal (e.g. steel, aluminium).
The present invention will be described in detail below with reference to the accompanying drawings according to embodiments. Brief description of the drawings:
drawings
FIG. 1 is a cross-sectional view of a dual clutch operating device in accordance with a first embodiment of the present invention;
FIG. 2 is a cross-sectional view of a dual clutch operating device in accordance with a second embodiment of the present invention;
FIG. 3 is a cross-sectional view of a dual clutch operating device in accordance with a third embodiment of the present invention; and
fig. 4 shows a cross-section of a double clutch operating device according to a fourth embodiment of the invention.
Description of the reference numerals
1 double clutch operating device 2 housing element 3 first hollow cylindrical pressure chamber 4 second hollow cylindrical pressure chamber 5 first piston element 6 second piston element 7 wear reducing device 8 seal ring support element 9 seal ring element 9A seal ring element 9B seal ring element 10 radially inner annular housing wall 11 radially outer annular housing wall 12 seat 13 first region 14 second region 15 shoulder seal element 17 seal element 18 seat 20 sleeve element 20A first sleeve element 20B second sleeve element 20
Axial direction of A/radial direction of displacement axis R
Detailed Description
The same reference numerals are used for the same objects in the following description.
Fig. 1 shows a sectional view of a dual clutch operating device 1 according to a first embodiment of the invention.
Specifically, fig. 1 shows a dual clutch actuation device 1 suitable for use in a clutch of a motor vehicle, in particular a passenger car.
The double clutch actuation device 1 has a housing element 2 made of plastic, which has a first hollow-cylindrical pressure chamber 3 and a second hollow-cylindrical pressure chamber 4; a first piston element 5 and a second piston element 6, both of which are made of plastic.
A first piston element 5 is movably arranged in the first pressure chamber 3 and a second piston element 6 is movably arranged in the second pressure chamber 4.
The dual clutch actuation device 1 additionally has a wear reduction device 7 for forming a friction-and wear-optimized pairing between the housing element 2 and at least one of the two piston elements 5, 6.
In particular, the wear reducing device 7 is designed as a sealing ring support element 8 made of a sliding optimized material, in particular POM or PA9 t. This results in an optimized low-wear friction pair.
In fig. 1, a sealing ring support element 8 is arranged on the second piston element 6, wherein the sealing ring support element 8 is slidably arranged on the housing element 2, in particular on an inner annular housing wall 10 of the second pressure chamber 4. Thereby allowing the combination of the seal ring support member 8 and the housing member 2 to guide the second piston member 6.
Furthermore, a sealing ring support element 8 is arranged on the one hand on the second piston element 6 and on the other hand is fixed, in particular in a clamping manner, to a sealing ring element 9 for sealing the second pressure chamber 4.
In a cross section along the displacement axis a or along the axial direction a, the first and second piston elements 5, 6 have a height in the radial direction R inside the first or second pressure chamber 3, 4 which is less than 75% of the height of the first or second pressure chamber 3, 4.
The height of the first or second pressure chamber 3, 4 is equal to the distance between the radially inner annular housing wall 10 and the radially outer annular housing wall 11 of the respective pressure chamber 3, 4.
On a radially inner annular housing wall 10 of the second pressure chamber 4, the sealing ring support element 8 has a bearing surface for bearing in contact against the radially inner annular housing wall 10.
As also shown in fig. 1, the cross-section of the seal ring support member 8 is designed in an h-shape.
Fig. 2 shows a cross-sectional view of a dual clutch operating device 1 according to a second embodiment of the invention.
Similar to the double clutch actuation device 1 shown in fig. 1, a double clutch actuation device 1 for a clutch of a motor vehicle, in particular a passenger car, likewise has:
a housing element 2 made of plastic with a first hollow-cylindrical pressure chamber 3 and a second hollow-cylindrical pressure chamber 4,
a first piston element 5 and a second piston element 6, both consisting of plastic,
wherein a first piston element 5 is movably arranged in the first pressure chamber 3 and a second piston element 6 is movably arranged in the second pressure chamber 4.
The dual clutch actuation device 1 additionally has a wear reduction device 7 for forming a friction-and wear-optimized pairing between the housing element 2 and at least one of the two piston elements 5, 6.
Fig. 2 also shows that the wear reduction device 7 is designed as a sliding belt element 18 made of a sliding-optimized material, in particular POM or PTFE.
The slide element 18 is slidably arranged on the housing element 2, in particular on the inner annular housing wall 10 of the pressure chamber 3, 4, whereby the combination of the slide element 18 and the housing element 2 guides the piston element 5, 6.
The slide elements 18 are likewise arranged on the respective piston element 5, 6, wherein one slide element 18 is arranged in a respective seat 19 on the first and second piston element 5, 6, in particular in a clamping or material-fit manner.
The geometric design of the abutment 19 is complementary to the slide element 18, wherein a slide element 7 is slidably located against the radially inner annular housing wall 10 of the first and second pressure chambers 3, 4.
As shown in fig. 2, the individual slide element 7 is designed as a hollow cylinder.
Fig. 3 shows a cross-sectional view of a double clutch operating device 1 according to a third embodiment of the invention.
As in fig. 1, a dual clutch actuation device 1, which is suitable for a clutch of a motor vehicle, in particular a passenger car, likewise has:
a housing element 2 made of plastic with a first hollow-cylindrical pressure chamber 3 and a second hollow-cylindrical pressure chamber 4,
a first piston element 5 and a second piston element 6, both consisting of plastic,
wherein a first piston element 5 is movably arranged in the first pressure chamber 3 and a second piston element 6 is movably arranged in the second pressure chamber 4.
The dual clutch actuation device 1 additionally has a wear reduction device 7 for forming a friction-and wear-optimized pairing between the housing element 2 and at least one of the two piston elements 5, 6.
The wear reduction device 7 is designed here as a sleeve element 20 made of a sliding-optimized material suitable for the sealing ring elements 9A, 9B, in particular made of steel or aluminum.
The sleeve element 20 is designed as a hollow cylinder with a bottom at the axial end, so that the sleeve element 20 forms a pressure chamber, wherein the sleeve element 20 forms the first pressure chamber 3 and the second pressure chamber 4.
Precisely, the first sleeve element 20A forms the first pressure chamber 3 and the second sleeve element 20B forms the second pressure chamber 4, wherein the first and the second sleeve element 20A, 20B are designed together as one part.
Fig. 3 additionally shows that the double clutch device 1 has a first sealing ring element 9A and a second sealing ring element 9B for sealing the respective pressure chambers, wherein the first sealing ring element 9A is arranged on the first piston element 5 and the second sealing ring element 9B is arranged on the second piston element 6.
As shown in fig. 3, the first and second sealing ring elements 9A, 9B abut against the first or second sleeve element 20A, 20B in a slidable manner, in particular only in a slidable manner.
In addition, the housing element 2 forms a seat 12 for a sleeve element 20, which has a first region 13 for receiving the piston elements 5, 6 and a second region 14 serving as a pressure fluid supply connection for the housing element 2.
It can also be seen from fig. 3 that the housing element 2, in particular the support 12 thereof, is geometrically designed complementary to the first or second sleeve element (20A, 20B) in order to form an at least partially positive fit connection with the respective sleeve element (20A, 20B) and in particular to fix the first or second sleeve element (20A, 20B) or the sleeve element 20 as a whole in a clamping manner.
As is also shown in fig. 3, a shoulder 15 is provided between the first and second regions 13, 14, on which sealing elements 16, 17, in particular sealing elements designed as O-rings, are arranged in order to seal the second region 14 against leakage. The pressure chambers 3, 4 can thus be supplied with pressurized fluid in a sealed manner from the housing element 2 to the sleeve elements 20A, 20B.
Finally, it should also be mentioned that the sleeve element 7 is made of metal (e.g. steel, aluminum).
Fig. 4 shows a cross-sectional view of a dual clutch operating device 1 according to a fourth embodiment of the invention.
As in the previous figures, a dual clutch actuation device 1 for a clutch of a motor vehicle, in particular a passenger car, has:
a housing element 2 made of plastic with a first hollow-cylindrical pressure chamber 3 and a second hollow-cylindrical pressure chamber 4,
a first piston element 5 and a second piston element 6, both consisting of plastic,
wherein a first piston element 5 is movably arranged in the first pressure chamber 3 and a second piston element 6 is movably arranged in the second pressure chamber 4.
The dual clutch actuation device 1 additionally has a wear reduction device 7 for forming a friction-and wear-optimized pairing between the housing element 2 and at least one of the two piston elements 5, 6.
According to fig. 4, the wear reducing device 7 is designed as a sleeve element 20 made of a sliding-optimized material suitable for the sealing elements 9A, 9B, in particular steel or aluminum.
The sleeve element 7 is designed here in the form of a ring and is designed in cross section in the form of a t.
The two piston elements 5, 6 are centered on the sleeve element 20.
In addition, the sleeve element 20 forms together with the housing element 2 a first and a second pressure chamber 3, 4.
In addition, the dual clutch device 1 also has a first sealing ring element 9A and a second sealing ring element 9B for sealing the respective pressure chambers, wherein the first sealing ring element 9A is arranged on the first piston element 5 and the second sealing ring element 9B is arranged on the second piston element 6.
Furthermore, the first and second sealing ring elements 9A, 9B slidably abut on the one hand against the sleeve element 7 and on the other hand against the housing element 2, as shown in fig. 4.
In the radial direction R, the sleeve element 20 is arranged between the first and second piston elements 5, 6 in order to form a sliding surface for the sealing ring elements 9A, 9B, respectively.
The housing element 2 also constitutes a seat 12 for a sleeve element 20 having a first region 13 for movably sliding the piston elements 5, 6 and a second region 14 which is to be interfaced with the housing element 2.
Fig. 4 additionally shows that the geometric design of the housing element 2 is complementary to the sleeve element 20, in particular the second region 14 thereof, in order to form a form-fitting connection at least in sections with the sleeve element 20 and in particular to fix the sleeve element 7 in a clamping manner.
Furthermore, a shoulder 15 is provided between the first 13 and the second region 14 of the sleeve element 20, on which sealing elements 16, 17, in particular sealing elements designed as O-rings, are arranged for sealing the second region 14.
Finally, it should be mentioned that the sleeve element 7 is made of metal (e.g. steel, aluminum).
Claims (10)
1. A dual clutch actuation device (1) for a clutch of a motor vehicle, in particular a passenger car, has:
a housing element (2) with a first (3) and a second hollow-cylindrical pressure chamber (4),
wherein the housing element (2) consists of plastic,
a first piston element (5),
a second piston element (6),
wherein the first piston element (5) is movably arranged in the first pressure chamber (3) and the second piston element (6) is movably arranged in the second pressure chamber (4),
it is characterized in that the preparation method is characterized in that,
the double clutch actuation device has a wear reduction device (7) for forming a friction and wear optimized pairing between the housing element (2) and at least one of the two piston elements (5, 6).
2. Double-clutch operating device according to claim 1,
wherein the wear reducing device (7) is designed as a sealing ring support element (8) made of a sliding optimized material, in particular POM or PA9t,
wherein the slide belt element (8) is preferably slidably arranged on the housing element (2), in particular on an inner annular housing wall (10) of the first or second pressure chamber (3, 4), whereby the combination of the slide belt element (8) and the housing element (2) guides the respective piston element (5, 6),
wherein the sealing ring support element (8) is preferably arranged on the first or second piston element (5, 6),
wherein the sealing ring support element (8) is preferably arranged on the one hand on the first (5) or second piston element (6) and on the other hand is fixed, in particular in a clamping manner, on a sealing ring element (9) for sealing the pressure chamber (3, 4).
3. Double-clutch operating device according to claim 2,
wherein, in a cross section along a movement axis (A), the first and/or second piston element (5, 6) has a height inside the first and/or second pressure chamber (3, 4) in a radial direction (R) that is less than 75% of the height of the first and/or second pressure chamber (3, 4),
wherein the height of the first or second pressure chamber (3, 4) is preferably equal to the distance between the radially inner annular housing wall (10) and the radially outer annular housing wall (11) of the respective pressure chamber (3, 4),
wherein, on a radially inner annular housing wall (10) of the first and/or second pressure chamber (3, 4), the sealing ring support element (8) preferably has a bearing surface for bearing in contact against the radially inner annular housing wall (10),
wherein the cross section of the sealing ring support element (8) is preferably designed in an h-shape.
4. Double-clutch operating device according to claim 1,
wherein the wear reduction device (7) is designed as a sliding belt element (18) made of a sliding optimization material, in particular POM or PTFE,
wherein the slide belt element (18) is preferably slidably arranged on the housing element (2), in particular on an inner annular housing wall (10) of the pressure chamber (3, 4), whereby the combination of the slide belt element (18) and the housing element (2) guides the piston element (5, 6).
5. Double-clutch operating device according to claim 4,
wherein the slide belt element (18) is arranged on the respective piston element (5, 6),
wherein the slide element (18) is preferably arranged in a seat (19) on the first or second piston element (5, 6), in particular in a clamping manner or a material fit,
wherein the geometric design of the support (19) is preferably complementary to the slide element (18),
wherein a radially inner annular housing wall (10) of the first and/or second pressure chamber (3, 4) slidably abuts against the slide element or against a slide element (18) each,
the slide element (18) is preferably designed as a hollow cylinder.
6. Double-clutch operating device according to claim 1,
wherein the wear reducing device (7) is designed as a sleeve element (20) made of a sliding optimized material suitable for the sealing ring elements (9A, 9B), in particular steel or aluminum,
wherein the sleeve element (20) is preferably designed as a hollow cylinder with a bottom at the axial end, so that the sleeve element (7) forms a pressure chamber,
wherein the sleeve element (20) preferably forms the first pressure chamber (3) or the second pressure chamber (4).
7. Double-clutch operating device according to claim 6,
wherein the first sleeve element (20A) constitutes the first pressure chamber (3) and the second sleeve element (20B) constitutes the second pressure chamber (4),
wherein the first and second sleeve elements (20A, 20B) are preferably designed together as one part,
wherein the double clutch actuation device (1) preferably has a first sealing ring element (9A) and/or a second sealing ring element (9B) for sealing the respective pressure chamber,
wherein the first sealing ring element (9A) is preferably arranged on the first piston element (5) and/or the second sealing ring element (9B) is preferably arranged on the second piston element (6),
wherein the first and/or sealing ring element (9A, 9B) preferably abuts against the first and/or second sleeve element (20A, 20B) in a slidable manner, in particular only in a slidable manner.
8. Double-clutch operating device according to claim 6 or 7,
wherein the housing element (2) forms a support (12) for the sleeve element (20),
wherein the sleeve element (20) preferably has a first region (13) for accommodating the piston element (5, 6),
wherein the sleeve element (20) preferably has a second region (14) which is connected as a pressure fluid supply to the housing element (2),
wherein the housing element (2), in particular the support (12) thereof, has a geometrical design which is complementary to the first and/or second sleeve element (20A, 20B) in order to form a form-fitting connection at least partially with the respective sleeve element (20A, 20B) and in particular to fix the first and/or second sleeve element (20A, 20B) in a clamping manner,
wherein a shoulder (15) is provided between the first and second regions (13, 14), on which sealing elements (16, 17), in particular sealing elements designed as O-rings, are arranged in order to seal the second region (14) against leakage, whereby the pressure chamber (3, 4) can be supplied with pressurized fluid in a sealing manner from the housing element (2) to the sleeve element (20A, 20B).
9. Double-clutch operating device according to claim 1,
wherein the wear reducing device (7) is designed as a sleeve element (20) made of a sliding optimized material suitable for the sealing elements (9A, 9B), in particular steel or aluminum,
wherein the sleeve element (20) is preferably designed in the form of a ring and has a t-shaped cross section,
wherein the sleeve element (20) preferably forms the first and/or second pressure chamber (3, 4) together with the housing element (2),
wherein the double clutch actuation device (1) preferably has a first sealing ring element (9A) and/or a second sealing ring element (9B) for sealing the respective pressure chamber,
wherein the first sealing ring element (9A) is preferably arranged on the first piston element (5) and/or the second sealing ring element (9B) is preferably arranged on the second piston element (6),
wherein the first and second sealing ring elements (9A, 9B) preferably slidably abut against the sleeve element (20) on the one hand and against the housing element (2) on the other hand,
wherein, in the radial direction R, the sleeve element (20) is preferably arranged between the first and second piston elements (5, 6) in order to form a sliding surface for the sealing ring elements (9A, 9B), respectively.
10. Double-clutch operating device according to claim 9,
wherein the housing element (2) forms a support (12) for the sleeve element (20),
wherein the sleeve element (20) preferably has a first region (13) for sliding the piston element (5, 6) in a movable manner,
wherein the sleeve element (20) preferably has a second region (14) which is used as an interface with the housing element (2),
wherein the housing element (2) is preferably geometrically designed complementary to the sleeve element (20), in particular to the second region (14) thereof, in order to form a form-fitting connection at least partially with the sleeve element (20) and in particular to fix the sleeve element (20) in a clamping manner,
a shoulder (15) is preferably formed between the first (13) and the second region (14) of the sleeve element (20), on which sealing elements (16, 17), in particular sealing elements formed as O-rings, are arranged for sealing the second region (14).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019121151.4 | 2019-08-06 | ||
| DE102019121151.4A DE102019121151A1 (en) | 2019-08-06 | 2019-08-06 | Double clutch slave device for a clutch of a vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112343936A true CN112343936A (en) | 2021-02-09 |
Family
ID=74191233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010770720.1A Pending CN112343936A (en) | 2019-08-06 | 2020-08-04 | Double-clutch operating device suitable for automobile clutch |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112343936A (en) |
| DE (1) | DE102019121151A1 (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201521650U (en) * | 2009-11-09 | 2010-07-07 | 青岛开世密封工业有限公司 | Two-way movement combined type piston sealing piece |
| CN103154551A (en) * | 2010-07-29 | 2013-06-12 | 舍弗勒技术股份两合公司 | Release unit for a dual clutch |
| CN203926500U (en) * | 2014-06-27 | 2014-11-05 | 瑞立集团瑞安汽车零部件有限公司 | The clutch master cylinder of tape guide ring structure |
| CN204061623U (en) * | 2014-08-12 | 2014-12-31 | 瑞立集团瑞安汽车零部件有限公司 | A kind of clutch slave cylinder with eccentric abrasion prevention function |
| CN204592084U (en) * | 2015-04-15 | 2015-08-26 | 石家庄佳信汽车制动***有限公司 | A kind of plunger type clutch general pump with sliding sleeve |
| CN204985430U (en) * | 2015-08-20 | 2016-01-20 | 山东遨游汽车制动***股份有限公司 | Hydraulic slave pump |
| CN206361047U (en) * | 2017-01-09 | 2017-07-28 | 浙江柏瑞汽配有限公司 | A kind of clutch general pump |
| DE102016221024A1 (en) * | 2016-10-26 | 2018-04-26 | Schaeffler Technologies AG & Co. KG | Dirt protection for pressure chamber inside diameter for clutch slave cylinders |
-
2019
- 2019-08-06 DE DE102019121151.4A patent/DE102019121151A1/en not_active Withdrawn
-
2020
- 2020-08-04 CN CN202010770720.1A patent/CN112343936A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201521650U (en) * | 2009-11-09 | 2010-07-07 | 青岛开世密封工业有限公司 | Two-way movement combined type piston sealing piece |
| CN103154551A (en) * | 2010-07-29 | 2013-06-12 | 舍弗勒技术股份两合公司 | Release unit for a dual clutch |
| CN203926500U (en) * | 2014-06-27 | 2014-11-05 | 瑞立集团瑞安汽车零部件有限公司 | The clutch master cylinder of tape guide ring structure |
| CN204061623U (en) * | 2014-08-12 | 2014-12-31 | 瑞立集团瑞安汽车零部件有限公司 | A kind of clutch slave cylinder with eccentric abrasion prevention function |
| CN204592084U (en) * | 2015-04-15 | 2015-08-26 | 石家庄佳信汽车制动***有限公司 | A kind of plunger type clutch general pump with sliding sleeve |
| CN204985430U (en) * | 2015-08-20 | 2016-01-20 | 山东遨游汽车制动***股份有限公司 | Hydraulic slave pump |
| DE102016221024A1 (en) * | 2016-10-26 | 2018-04-26 | Schaeffler Technologies AG & Co. KG | Dirt protection for pressure chamber inside diameter for clutch slave cylinders |
| CN206361047U (en) * | 2017-01-09 | 2017-07-28 | 浙江柏瑞汽配有限公司 | A kind of clutch general pump |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102019121151A1 (en) | 2021-02-11 |
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