CN111120538A - Wet-type double clutch and oil supply structure of wet-type double clutch - Google Patents
Wet-type double clutch and oil supply structure of wet-type double clutch Download PDFInfo
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- CN111120538A CN111120538A CN202010046665.1A CN202010046665A CN111120538A CN 111120538 A CN111120538 A CN 111120538A CN 202010046665 A CN202010046665 A CN 202010046665A CN 111120538 A CN111120538 A CN 111120538A
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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
- F16D25/00—Fluid-actuated clutches
- F16D25/12—Details not specific to one of the before-mentioned types
- F16D25/123—Details not specific to one of the before-mentioned types in view of cooling and lubrication
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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
- F16D25/14—Fluid pressure control
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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)
Abstract
The invention relates to a wet-type double clutch and an oil supply structure of the wet-type double clutch, the structure comprises: the transmission comprises a transmission shell, a double-clutch assembly, a first clutch oil path, a second clutch oil path, a cooling and lubricating oil path and an oil drainage oil path. According to the scheme provided by the application, high-pressure oil can be respectively provided for the first clutch high-pressure oil cavity and the second clutch high-pressure oil cavity by arranging the first clutch oil path and the second clutch oil path; through the arrangement of the oil drainage oil way, oil leaked out of the first clutch high-pressure oil cavity and the second clutch high-pressure oil cavity can flow into the cooling lubricating oil way, so that the oil leakage phenomenon of the two clutch high-pressure oil ways is avoided; by arranging the cooling and lubricating oil path, low-pressure oil can be simultaneously supplied to the low-pressure oil cavity of the first clutch balance cylinder and the low-pressure oil cavity of the second clutch balance cylinder, lubricating oil can be supplied to a clutch friction plate and a bearing in the double-clutch assembly, and the oil supply efficiency is improved.
Description
Technical Field
The invention relates to the technical field of clutches, in particular to a wet double clutch and an oil supply structure of the wet double clutch.
Background
The wet double clutch is a very key and important part in the double clutch transmission, and controls the separation and the connection of a friction plate and a dual steel sheet by pushing a piston to move through hydraulic pressure, and realizes power transmission by utilizing combined friction force. The oil supply structure of the dual clutch functions as follows: firstly, two piston motion of promotion need provide safe and reliable's two strands of high pressure oil, secondly in order to balance the dynamic pressure that clutch high pressure chamber produced when high-speed rotation, need provide the low pressure oil in two clutch balance chambers, thirdly need the friction heat of a large amount of friction that produces when two sets of friction discs of lubricated cooling and dual steel sheet cunning rub, fourthly need lubricated cooling to support the bearing of double clutch structure.
Because the overall structures of different double-clutch transmissions are different and limited by structures, the double-clutch structures and the oil supply structures thereof are also different. At present, in the prior art, in some double-clutch transmissions, high-pressure oil is provided for double clutches by using two annular control oil grooves, but an oil drainage structure is not arranged, so that the safety risk that the two control oil grooves leak oil to each other and the parts of the transmission are damaged due to power conflict caused by simultaneous engagement of the two clutches under certain working conditions exists; although the leakage structure is arranged in the existing dual-clutch transmission, the leaked oil directly enters the transmission shell and is not used effectively; some low-pressure oil in the balance cavity of the clutch and cooling oil for lubricating and cooling the friction plate, the bearing and the like do not share one oil duct source, but a plurality of cooling oil sources are adopted, so that the structure is complex and the assembly is difficult.
Disclosure of Invention
Accordingly, it is necessary to provide a wet dual clutch and an oil supply structure of the wet dual clutch, which are directed to the problem of the existing oil supply structure of the wet dual clutch that has defects.
The invention provides an oil supply structure of a wet-type double clutch, which comprises:
a transmission case;
a dual clutch assembly having a clutch housing connectable to an engine output member, the clutch housing being connected with the transmission housing;
a first clutch oil passage for providing high pressure oil into a first clutch high pressure oil chamber in the dual clutch assembly;
a second clutch oil passage for providing high pressure oil into a second clutch high pressure oil chamber in the dual clutch assembly;
the cooling and lubricating oil path is used for providing low-pressure oil for a low-pressure oil chamber of a first clutch balance cylinder and a low-pressure oil chamber of a second clutch balance cylinder in the double-clutch assembly and providing lubricating oil for a clutch friction plate and a bearing in the double-clutch assembly;
and the oil drainage oil way is communicated with the cooling and lubricating oil way and is used for enabling oil leaked from the first clutch high-pressure oil cavity and the second clutch high-pressure oil cavity to flow into the cooling and lubricating oil way.
According to the oil supply structure, high-pressure oil can be respectively supplied to the first clutch high-pressure oil cavity and the second clutch high-pressure oil cavity by arranging the first clutch oil path and the second clutch oil path; through the arrangement of the oil drainage oil way, oil leaked out of the first clutch high-pressure oil cavity and the second clutch high-pressure oil cavity can flow into the cooling lubricating oil way, so that the oil leakage phenomenon of the two clutch high-pressure oil ways is avoided, and the leaked oil can be reused; by arranging the cooling and lubricating oil way, low-pressure oil can be simultaneously supplied to the low-pressure oil cavity of the first clutch balance cylinder and the low-pressure oil cavity of the second clutch balance cylinder, and lubricating oil can be supplied to a clutch friction plate and a bearing in the double-clutch assembly, so that the effect of one oil with multiple purposes is realized, and the oil supply efficiency is improved.
In one embodiment, the dual clutch assembly further comprises an outer input shaft and an inner output shaft, the outer input shaft is sleeved on the inner output shaft, and the clutch housing and the transmission housing are both sleeved on the outer input shaft.
In one embodiment, the first clutch oil path comprises a first clutch oil inlet channel arranged on the transmission housing and a first clutch high-pressure annular control oil groove and a first clutch oil supply channel arranged on the outer input shaft, the first clutch high-pressure annular control oil groove is arranged along the radial direction of the outer input shaft, the first clutch oil supply channel is arranged along the axial direction of the outer input shaft, and the first clutch high-pressure annular control oil groove is communicated with the first clutch oil supply channel;
the first clutch oil path oil inlet channel penetrates through the annular oil sleeve between the transmission shell and the outer input shaft and then is communicated with the first clutch oil path oil supply channel through the first clutch high-pressure annular control oil groove, and one end, far away from the first clutch oil path oil inlet channel, of the first clutch oil path oil supply channel is communicated with the first clutch high-pressure oil cavity.
In one embodiment, the second clutch oil path includes a second clutch oil path oil inlet provided on the transmission case and a second clutch high-pressure annular control oil groove and a second clutch oil path oil supply provided on the outer input shaft, the second clutch high-pressure annular control oil groove is provided in a radial direction of the outer input shaft, the second clutch oil path oil supply is provided in an axial direction of the outer input shaft, and the second clutch high-pressure annular control oil groove is communicated with the second clutch oil path oil supply;
and after the second clutch oil path oil inlet channel penetrates through the annular oil sleeve between the transmission shell and the outer input shaft, the second clutch oil path oil supply channel is communicated with the second clutch oil path oil supply channel through the second clutch high-pressure annular control oil groove, and one end, far away from the second clutch oil path oil inlet channel, of the second clutch oil path oil supply channel is communicated with the second clutch high-pressure oil cavity.
In one embodiment, the oil drainage path comprises an annular oil drainage groove and an oil drainage groove oil drainage hole which are arranged on the outer input shaft, the annular oil drainage groove is located between a first clutch high-pressure annular control oil groove and a second clutch high-pressure annular control oil groove on the outer input shaft, and the annular oil drainage groove is communicated with the cooling and lubricating oil path through the oil drainage groove oil drainage hole.
In one embodiment, a sealing ring is arranged on one side, away from the annular oil drainage groove, of the first clutch high-pressure annular control oil groove, between the first clutch high-pressure annular control oil groove and the annular oil drainage groove, between the annular oil drainage groove and the second clutch high-pressure annular control oil groove, and on one side, away from the annular oil drainage groove, of the second clutch high-pressure annular control oil groove.
In one embodiment, the cooling and lubricating oil path comprises a first oil hole formed in the outer input shaft, an inner hub inner ring oil hole formed in an inner hub ring of a dual clutch in the dual clutch assembly, and an inner hub outer ring oil hole formed in an inner hub outer ring of the dual clutch in the dual clutch assembly;
the oil drain hole of the oil drain groove is communicated with the first oil hole, and the first oil hole is communicated with the low-pressure oil cavity of the first clutch balance cylinder or the low-pressure oil cavity of the second clutch balance cylinder through the inner hub inner ring oil hole;
the first oil hole is communicated with a clutch friction plate mounting cavity in the double clutch assembly through the inner hub outer ring oil hole.
In one embodiment, the cooling and lubricating oil path further includes a cooling and lubricating oil path oil supply passage provided on the inner output shaft in the axial direction of the inner output shaft, and the cooling and lubricating oil path oil supply passage communicates with the first oil hole.
In one embodiment, the cooling lubricating oil path further comprises a plurality of second oil holes arranged on the inner output shaft along the radial direction of the inner output shaft, and the plurality of second oil holes are distributed at intervals along the axial direction of the inner output shaft;
one end of the second oil hole is communicated with the cooling and lubricating oil supply channel, and the other end of the second oil hole is communicated with the first oil hole and/or communicated with a supporting bearing installation cavity in the double-clutch assembly.
The invention further provides a wet type double clutch, which comprises a wet type double clutch body and the oil supply structure according to any one of the embodiment description of the application, wherein the oil supply structure is arranged on the wet type double clutch body.
Drawings
Fig. 1 is a schematic view of an oil supply structure of a wet type dual clutch according to an embodiment of the present invention.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, in an embodiment of the present invention, an oil supply structure of a wet-type dual clutch is provided, which includes a transmission case 2, a dual clutch assembly 1, a first clutch oil path, a second clutch oil path, a cooling lubrication oil path and an oil drainage oil path, wherein the dual clutch assembly 1 has a clutch case capable of being connected to an output member of an engine, and the dual clutch assembly 1 further includes an outer input shaft 4 and an inner output shaft 5, the outer input shaft 4 is sleeved on the inner output shaft 5, the clutch case and the transmission case 2 are both sleeved on the outer input shaft 4, the first clutch oil path is used for supplying high pressure oil to a first clutch high pressure oil chamber 11 in the dual clutch assembly 1, the second clutch oil path is used for supplying high pressure oil to a second clutch high pressure oil chamber 13 in the dual clutch assembly 1, and the cooling lubrication oil path is used for supplying low pressure oil to a first clutch balance cylinder low pressure chamber 12 and a second clutch balance cylinder low pressure oil chamber 14 in the dual clutch assembly 1 And lubricating oil is supplied to the clutch friction plate and the bearing in the double clutch assembly 1, and the oil drain oil path is communicated with the cooling and lubricating oil path and is used for flowing the oil leaked from the first clutch high-pressure oil chamber 11 and the second clutch high-pressure oil chamber 13 into the cooling and lubricating oil path.
Specifically, in the embodiment of the present application, the first clutch oil passage includes the first clutch oil passage oil feed passage 21 provided on the transmission case 2 and the first clutch oil supply passage 44 provided on the outer input shaft 4. The direction of the first clutch oil inlet channel 21 is perpendicular to the axial direction of the outer input shaft 4, meanwhile, the direction of the first clutch oil supply channel 44 is parallel to the axial direction of the outer input shaft 4, the first clutch oil inlet channel 21 penetrates through the annular oil sleeve 3 between the transmission housing 2 and the outer input shaft 4 and then is communicated with the first clutch oil supply channel 44, and one end, far away from the first clutch oil inlet channel 21, of the first clutch oil supply channel 44 is communicated with the first clutch high-pressure oil chamber 11. When the oil flows into the first clutch oil inlet passage 21, then passes through an oil hole (not shown) in the annular oil jacket 3, flows into the first clutch oil supply passage 44, and finally flows into the first clutch high-pressure oil chamber 11.
The second clutch oil path comprises a second clutch oil path oil inlet channel 22 arranged on the transmission shell 2 and a second clutch oil path oil supply channel 45 arranged on the outer input shaft 4, wherein the direction of the second clutch oil path oil inlet channel 22 is perpendicular to the axial direction of the outer input shaft 4, the direction of the second clutch oil path oil supply channel 45 is parallel to the axial direction of the outer input shaft 4, the second clutch oil path oil inlet channel 22 penetrates through the annular oil sleeve 3 between the transmission shell 2 and the outer input shaft 4 and then is communicated with the second clutch oil path oil supply channel 45, and one end, away from the second clutch oil path oil inlet channel 22, of the second clutch oil path oil supply channel 45 is communicated with the second clutch high-pressure oil cavity 13. When the oil flows into the second clutch oil inlet passage 22, then passes through an oil hole (not shown) in the annular oil jacket 3, flows into the second clutch oil supply passage 45, and finally flows into the second clutch high-pressure oil chamber 13.
The oil drain oil path includes an annular oil drain groove 43 disposed on the outer input shaft 4, specifically, as shown in fig. 1, the annular oil drain groove 43 is located between a first clutch high-pressure annular control oil groove 41 and a second clutch high-pressure annular control oil groove 42 on the outer input shaft 4, wherein the first clutch high-pressure annular control oil groove 41, the annular oil drain groove 43 and the second clutch high-pressure annular control oil groove 42 are sequentially disposed along an axial direction of the outer input shaft 4 at intervals, and after the first clutch oil path oil inlet passage 21 passes through the annular oil sleeve 3, the first clutch oil path oil inlet passage is communicated with the first clutch oil path oil supply passage 44 through the first clutch high-pressure annular control oil groove 41, and after the second clutch oil path oil inlet passage 22 passes through the annular oil sleeve 3, the second clutch high-pressure annular control oil groove 42 is communicated with the second clutch high-pressure oil chamber 13. When the oil in the first clutch high-pressure annular control oil groove 41 and the oil in the second clutch high-pressure annular control oil groove 42 are excessive, the excessive oil in the first clutch high-pressure annular control oil groove 41 flows into the cooling and lubricating oil passage from the annular oil drainage groove 43, and the excessive oil in the second clutch high-pressure annular control oil groove 42 also flows into the cooling and lubricating oil passage from the annular oil drainage groove 43, so that the oil leakage caused by mutual leakage of the oil in the first clutch high-pressure annular control oil groove 41 and the oil in the second clutch high-pressure annular control oil groove 42 on the outer input shaft (4) is avoided.
The cooling and lubricating oil path comprises a cooling and lubricating oil path oil supply path 51 which is arranged on the inner output shaft 5 along the axial direction of the inner output shaft 5 and a plurality of second oil holes 52 which are arranged on the inner output shaft 5 along the radial direction of the inner output shaft 5, and the plurality of second oil holes 52 are distributed at intervals along the axial direction of the inner output shaft 5, wherein one end of each second oil hole 52 is communicated with the cooling and lubricating oil path oil supply path 51, and the other end of each second oil hole 52 is communicated with the first oil hole 46 and/or a supporting bearing installation cavity in the double clutch assembly 1. When the cooling lubricating oil flows into the cooling lubricating oil path oil supply path 51, after the oil in the cooling lubricating oil path oil supply path 51 flows out from the plurality of second oil holes 52, a part of the oil flows into the supporting bearing mounting cavity in the dual clutch assembly 1 from the second oil holes 52, lubricates the bearing, and the other part of the oil flows into the first oil hole 46, then flows into the inner hub inner ring oil hole 15 from the first oil hole 46, and finally flows into the first clutch balance cylinder low-pressure oil chamber 12 or the second clutch balance cylinder low-pressure oil chamber 14 through the inner hub inner ring oil hole 15; meanwhile, oil flowing into the first oil hole 46 also flows into the inner hub outer ring oil hole 16, and then the oil flows into the clutch friction plate mounting cavity in the dual clutch assembly 1 through the inner hub outer ring oil hole 16, so that a cooling and lubricating oil path is realized, oil is provided for the first clutch balance cylinder low-pressure oil chamber 12 and the second clutch balance cylinder low-pressure oil chamber 14, and the clutch friction plate in the dual clutch assembly 1 and the support bearing in the dual clutch assembly 1 are lubricated.
In some embodiments, in order to facilitate the oil in the annular oil drain groove 43 to flow into the cooling and lubricating oil passage, as shown in fig. 1, the present application provides an oil drain groove oil drain hole 431 on the outer input shaft 4, the oil drain groove oil drain hole 431 is provided in a radial direction of the outer input shaft 4, and one end of the oil drain groove oil drain hole 431 is communicated with the annular oil drain groove 43 and the other end is communicated with the first oil hole 46. After the oil in the annular oil drainage groove 43 flows into the first oil hole 46 from the oil drainage groove oil drainage hole 431, the oil can flow into the first clutch balance cylinder low-pressure oil chamber 12 or the second clutch balance cylinder low-pressure oil chamber 14 from the first oil hole 46 through the inner hub inner ring oil hole 15 or flow into the clutch friction plate mounting cavity in the dual clutch assembly 1 through the inner hub outer ring oil hole 16, so that the leaked oil can be reused.
In some embodiments, in order to reduce the length dimension of the oil passage, control the axial dimension of the oil supply structure as much as possible, and save the assembly space, the inner hub inner ring oil hole 15 and the first clutch oil passage oil supply passage 44 are respectively arranged at an included angle with the axial direction of the outer input shaft 4.
In some embodiments, the first clutch oil supply passage 44, the second clutch oil supply passage 45, the first oil hole 46, and the drain groove oil drain hole 431 in the present application are arranged at an angle offset in the radial direction for process rationality of the oil holes on the outer input shaft 4.
In some embodiments, in order to ensure the sealing effect of the first clutch high-pressure annular control oil groove 41, the annular oil drainage groove 43 and the second clutch high-pressure annular control oil groove 42 which are arranged on the outer input shaft 4, the present application provides the sealing ring 6 on the side of the first clutch high-pressure annular control oil groove 41 away from the annular oil drainage groove 43, between the first clutch high-pressure annular control oil groove 41 and the annular oil drainage groove 43, between the annular oil drainage groove 43 and the second clutch high-pressure annular control oil groove 42, and on the side of the second clutch high-pressure annular control oil groove 42 away from the annular oil drainage groove 43.
In some embodiments, in order to ensure the sealing reliability of the sealing ring 6, the annular oil sleeve 3 is added between the transmission case 2 and the sealing ring 6, and the transmission case 2 and the sealing ring 6 are preferably in an interference fit mode.
In some embodiments, the present application uses steel balls 7 for sealing in the first and second clutch oil feed passages 44, 45 for manufacturability, sealing effectiveness, and ease of assembly of the clutch oil feed passages on the outer input shaft 4.
The invention also provides a wet type double clutch, which comprises a wet type double clutch body and the oil supply structure as described in any one of the embodiment of the application, wherein the oil supply structure is arranged on the wet type double clutch body.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the protective scope of the invention. Therefore, the protection scope of the patent of the invention should be subject to the appended claims.
Claims (10)
1. An oil supply structure of a wet type dual clutch, comprising:
a transmission case (2);
a dual clutch assembly (1), the dual clutch assembly (1) having a clutch housing connectable to an engine output member, the clutch housing being connected with the transmission housing (2);
a first clutch oil passage for supplying high-pressure oil into a first clutch high-pressure oil chamber (11) in the dual clutch assembly (1);
a second clutch oil passage for supplying high-pressure oil into a second clutch high-pressure oil chamber (13) in the dual clutch assembly (1);
the cooling and lubricating oil path is used for supplying low-pressure oil to a first clutch balance cylinder low-pressure oil chamber (12) and a second clutch balance cylinder low-pressure oil chamber (14) in the double-clutch assembly (1) and supplying lubricating oil to a clutch friction plate and a bearing in the double-clutch assembly (1);
and the oil drainage oil way is communicated with the cooling and lubricating oil way and is used for enabling oil leaked from the first clutch high-pressure oil cavity (11) and the second clutch high-pressure oil cavity (13) to flow into the cooling and lubricating oil way.
2. The oil supply structure of a wet dual clutch according to claim 1, wherein the dual clutch assembly (1) further comprises an outer input shaft (4) and an inner output shaft (5), the outer input shaft (4) is sleeved on the inner output shaft (5), and the clutch housing and the transmission housing (2) are both sleeved on the outer input shaft (4).
3. The oil supply structure of a wet type dual clutch according to claim 2, wherein the first clutch oil path includes a first clutch oil path oil feed passage (21) provided on the transmission case (2) and a first clutch high pressure annular control oil groove (41) and a first clutch oil path oil feed passage (44) provided on the outer input shaft (4), the first clutch high pressure annular control oil groove (41) is provided in a radial direction of the outer input shaft (4), the first clutch oil path oil feed passage (44) is provided in an axial direction of the outer input shaft (4), and the first clutch high pressure annular control oil groove (41) is communicated with the first clutch oil path oil feed passage (44);
after the first clutch oil path oil inlet channel (21) penetrates through the annular oil sleeve (3) between the transmission shell (2) and the outer input shaft (4), the first clutch oil path oil supply channel (44) is communicated with the first clutch high-pressure annular control oil groove (41), and one end, far away from the first clutch oil path oil inlet channel (21), of the first clutch oil path oil supply channel (44) is communicated with the first clutch high-pressure oil cavity (11).
4. The oil supply structure of a wet type dual clutch according to claim 3, wherein the second clutch oil path includes a second clutch oil path oil feed passage (22) provided on the transmission case (2) and a second clutch high-pressure annular control oil groove (42) and a second clutch oil path oil feed passage (45) provided on the outer input shaft (4), the second clutch high-pressure annular control oil groove (42) is provided in a radial direction of the outer input shaft (4), the second clutch oil feed passage (45) is provided in an axial direction of the outer input shaft (4), and the second clutch high-pressure annular control oil groove (42) is communicated with the second clutch oil feed passage (45);
and after the second clutch oil path oil inlet channel (22) penetrates through the annular oil sleeve (3) between the transmission shell (2) and the outer input shaft (4), the second clutch oil path oil supply channel (45) is communicated with the second clutch high-pressure annular control oil groove (42), and one end, far away from the second clutch oil path oil inlet channel (22), of the second clutch oil path oil supply channel (45) is communicated with the second clutch high-pressure oil cavity (13).
5. The oil supply structure of a wet-type dual clutch according to claim 4, characterized in that the oil drain path includes an annular oil drain groove (43) and an oil drain groove oil drain hole (431) provided on the outer input shaft (4), the annular oil drain groove (43) is located between a first clutch high-pressure annular control oil groove (41) and a second clutch high-pressure annular control oil groove (42) on the outer input shaft (4), and the annular oil drain groove (43) is communicated with the cooling and lubricating oil path through the oil drain groove oil drain hole (431).
6. The oil supply structure of a wet-type dual clutch according to claim 5, wherein a sealing ring (6) is disposed on one side of the first clutch high-pressure annular control oil groove (41) away from the annular oil drain groove (43), between the first clutch high-pressure annular control oil groove (41) and the annular oil drain groove (43), between the annular oil drain groove (43) and the second clutch high-pressure annular control oil groove (42), and on one side of the second clutch high-pressure annular control oil groove (42) away from the annular oil drain groove (43).
7. The oil supply structure of a wet type dual clutch according to claim 5, wherein the cooling and lubricating oil path includes a first oil hole (46) provided on the outer input shaft (4), an inner hub inner ring oil hole (15) provided on an inner hub inner ring of a dual clutch in the dual clutch assembly (1), and an inner hub outer ring oil hole (16) provided on an inner hub outer ring of a dual clutch in the dual clutch assembly (1);
the oil drain groove oil drain hole (431) is communicated with the first oil hole (46), and the first oil hole (46) is communicated with the first clutch balance cylinder low-pressure oil chamber (12) or the second clutch balance cylinder low-pressure oil chamber (14) through the inner hub inner ring oil hole (15);
the first oil hole (46) is communicated with a clutch friction plate mounting cavity in the double clutch assembly (1) through the inner hub outer ring oil hole (16).
8. The oil supply structure of a wet-type dual clutch according to claim 7, characterized in that the cooling lubrication oil passage further includes a cooling lubrication oil passage supply passage (51) provided on the inner output shaft (5) in the axial direction of the inner output shaft (5), the cooling lubrication oil passage supply passage (51) communicating with the first oil hole (46).
9. The oil supply structure of a wet type dual clutch according to claim 8, wherein the cooling lubricating oil path further includes a plurality of second oil holes (52) provided on the inner output shaft (5) in a radial direction of the inner output shaft (5), the plurality of second oil holes (52) being spaced apart in an axial direction of the inner output shaft (5);
one end of the second oil hole (52) is communicated with the cooling and lubricating oil path oil supply channel (51), and the other end of the second oil hole is communicated with the first oil hole (46) and/or a supporting bearing installation cavity in the double clutch assembly (1).
10. A wet double clutch, comprising a wet double clutch body and an oil supply structure according to any one of claims 1 to 9, the oil supply structure being provided on the wet double clutch body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010046665.1A CN111120538A (en) | 2020-01-16 | 2020-01-16 | Wet-type double clutch and oil supply structure of wet-type double clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010046665.1A CN111120538A (en) | 2020-01-16 | 2020-01-16 | Wet-type double clutch and oil supply structure of wet-type double clutch |
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| Publication Number | Publication Date |
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| CN111120538A true CN111120538A (en) | 2020-05-08 |
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| CN202010046665.1A Pending CN111120538A (en) | 2020-01-16 | 2020-01-16 | Wet-type double clutch and oil supply structure of wet-type double clutch |
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| CN (1) | CN111120538A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107987A (en) * | 2021-03-31 | 2021-07-13 | 蜂巢传动科技河北有限公司 | Double-clutch device and mixing module thereof |
| CN113483088A (en) * | 2021-07-22 | 2021-10-08 | 中国船舶重工集团公司第七0三研究所 | Marine gear box friction clutch input shaft assembly with oil supply device |
-
2020
- 2020-01-16 CN CN202010046665.1A patent/CN111120538A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107987A (en) * | 2021-03-31 | 2021-07-13 | 蜂巢传动科技河北有限公司 | Double-clutch device and mixing module thereof |
| CN113483088A (en) * | 2021-07-22 | 2021-10-08 | 中国船舶重工集团公司第七0三研究所 | Marine gear box friction clutch input shaft assembly with oil supply device |
| CN113483088B (en) * | 2021-07-22 | 2022-06-14 | 中国船舶重工集团公司第七0三研究所 | Marine gear box friction clutch input shaft assembly with oil supply device |
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