CN212203061U

CN212203061U - Oil guide device of output shaft of wet-type double-clutch transmission

Info

Publication number: CN212203061U
Application number: CN202020235085.2U
Authority: CN
Inventors: 吕勇; 凌晓明; 刘学武
Original assignee: Guangzhou Automobile Group Co Ltd
Current assignee: Guangzhou Automobile Group Co Ltd
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-12-22
Anticipated expiration: 2030-02-28

Abstract

The utility model discloses an oil guiding device of a wet-type dual-clutch transmission output shaft, which comprises an oil baffle disc, a first oil guiding groove and a second oil guiding groove, wherein the first oil guiding groove and the second oil guiding groove are connected to the inner side of the oil baffle disc; the output end of the double clutch is respectively connected with a first output shaft and a second output shaft, and central oil ducts penetrating through the respective axial leads are arranged in the first output shaft and the second output shaft; the liquid outlet end of the first oil guide groove is opposite to the central oil passage of the first output shaft, and the liquid outlet end of the second oil guide groove is opposite to the central oil passage of the second output shaft. The oil guide device of the output shafts of the wet type double-clutch transmission has the advantages of simple structure, easiness in installation and installation space saving, has better oil collection performance and can provide lubricating oil for two output shafts of the wet type double-clutch transmission simultaneously.

Description

Oil guide device of output shaft of wet-type double-clutch transmission

Technical Field

The utility model relates to an automotive transmission technical field especially relates to an oil device is led to wet-type double clutch transmission output shaft.

Background

The wet type dual clutch transmission is a transmission which is widely applied in the current domestic automobile market, and generally comprises two output shafts, wherein each output shaft is provided with a plurality of gears and needle bearings which need a large amount of oil for lubrication, so that the lubricating oil needs to be guided into the output shafts through an oil guide device. At present, three common oil guide modes are provided, wherein the first mode is that oil is supplied by an oil pump and is guided through a lubricating oil channel in a transmission shell; the second is to lead in the oil splashed by the gear operation through an oil guide groove arranged on the rear end shell of the transmission; and the third method is to mix oil by using a wet double clutch through an oil guide device and lubricate an output shaft. However, the first approach reduces transmission efficiency due to power loss of the oil pump itself; in the second mode, because the number of parts in the transmission shell is large, the installation space of the oil guide device is difficult to find, the assembly difficulty is large, and the oil collection amount is small; in the prior art, a few technical schemes adopt a third mode, oil stirred by the double clutches is mainly collected and guided into the output shafts, but the technical schemes need to design oil guide reinforcing ribs in the clutch shell, so that the structure is relatively complex, the axial space cannot be saved, the oil collecting effect is unsatisfactory, and oil can not be supplied to two output shafts simultaneously due to the fact that only one oil outlet channel is provided.

Therefore, how to design an oil guide device for lubricating output shafts by using oil stirring oil liquid of a wet double clutch, and the oil guide device can simplify the structure, reduce the installation space, reduce the installation difficulty, improve the oil collection amount and provide lubrication for two output shafts, and is an important technical problem to be solved by technical personnel in the field at present.

SUMMERY OF THE UTILITY MODEL

The utility model provides a wet-type double clutch transmission output shaft lead oily device, its simple structure, easily installation and saving installation space have better collection oil performance and can provide lubricating oil for two output shafts of wet-type double clutch transmission simultaneously.

In order to achieve the above object, the present invention provides an oil guiding device for an output shaft of a wet dual clutch transmission, which includes an oil baffle disc, a first oil guiding groove and a second oil guiding groove connected to the inner side of the oil baffle disc, wherein the oil baffle disc is disposed in a cavity formed between a dual clutch and a clutch housing and connected to the clutch housing; the output end of the double clutch is respectively connected with a first output shaft and a second output shaft, and central oil ducts penetrating through the respective axial leads are arranged in the first output shaft and the second output shaft;

the liquid outlet end of the first oil guide groove is opposite to the central oil passage of the first output shaft, and the liquid outlet end of the second oil guide groove is opposite to the central oil passage of the second output shaft.

Preferably, the oil baffle disc comprises an arc baffle part and a fixing plate part connected to the bottom end of the arc baffle part and extending towards the center of the arc baffle part, the fixing plate part is provided with a mounting hole, and the clutch housing is provided with a locking hole corresponding to the mounting hole.

Preferably, the first oil guide groove comprises a first oil baffle plate, a first oil collecting groove connected to the bottom of the first oil baffle plate, and a first oil guide nozzle communicated with the first oil collecting groove;

the second oil guide groove comprises a second oil baffle, a second oil collecting groove connected to the bottom of the second oil baffle, and a second oil guide nozzle communicated with the second oil collecting groove; the first oil guide nozzle is arranged opposite to the central oil passage of the first output shaft, and the second oil guide nozzle is arranged opposite to the central oil passage of the second output shaft.

Preferably, the first oil baffle and the second oil baffle are connected to the inner side wall of the arc-shaped baffle, and the first oil collecting groove and the second oil collecting groove extend towards the inner side of the arc-shaped baffle and protrude out of the fixing plate.

As a preferred scheme, the cross section of the arc-shaped baffle part is arc-shaped, and an included angle between the fixing plate part and the arc-shaped baffle part is a right angle.

Preferably, the inner side edge of the fixing plate part is also provided with a flange extending upwards.

Preferably, the fixing plate portion is further provided with a positioning pin, and the clutch housing is provided with a positioning hole corresponding to the positioning pin.

Preferably, the positioning pin, the oil baffle disc, the first oil guide groove and the second oil guide groove are of an integrally formed structure.

As the preferred scheme, the oil baffle disc, first lead oil groove with the second lead oil groove adopts the nylon material to make and forms.

Preferably, the mounting holes are bolt holes, and the locking holes are threaded holes.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses an oil guiding device of output shaft of wet-type double-clutch transmission, which comprises an oil baffle disc, a first oil guiding groove and a second oil guiding groove which are connected with the inner side of the oil baffle disc, the oil baffle disc is arranged in a cavity formed between a double clutch and a clutch shell and is connected on the clutch shell, the liquid outlet end of the first oil guiding groove is arranged opposite to the central oil duct of the first output shaft, the liquid outlet end of the second oil guiding groove is arranged opposite to the central oil duct of the second output shaft, the high-speed rotation drives oil to splash in the working process of the double clutch, the splashed oil is blocked by the oil baffle disc which is arranged on the clutch shell, the oil baffle disc is used for collecting and gathering oil, and the oil outlet end of the first oil guide groove and the oil outlet end of the second oil guide groove respectively enter the central oil duct of the first output shaft and the central oil duct of the second output shaft to lubricate the first output shaft and the second output shaft. The oil guide device is arranged in a cavity formed between the double clutches and the clutch shell, splashed oil is stirred by means of rotation of the double clutches during operation, an oil pump does not need to be additionally arranged, the structure is simple, the installation is easy, and the efficiency of the transmission is not influenced. Lead oily device and have two and lead the oil groove, the integrated level is high, and oil collecting capacity is strong, can provide lubricating oil for two output shafts of double clutch simultaneously, and needn't set up two independent oil devices of leading, can effectively practice thrift installation space.

Drawings

Fig. 1 is a schematic structural diagram of an oil guiding device of an output shaft of a wet dual clutch transmission provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an installation position of an oil guiding device provided by an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an oil guiding route provided by an embodiment of the present invention;

fig. 4 is a partial sectional view of a first oil guide groove provided in an embodiment of the present invention;

fig. 5 is a partial sectional view of a second oil guide groove provided in an embodiment of the present invention.

10, an oil guide device; 11. an oil baffle disc; 111. an arc-shaped baffle portion; 112. a fixed plate portion; 1121. mounting holes; 1122. flanging; 1123. positioning pins; 12. a first oil guide groove; 121. a first oil baffle plate; 122. a first oil sump; 123. a first oil guide nozzle; 13. a second oil guide groove; 131. a second oil baffle; 132. a second oil sump; 133. a second oil guide nozzle; 20. a double clutch; 21. a first output shaft; 22. a second output shaft; 23. a central oil passage; 30. a clutch housing.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. It should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are used for distinguishing one type of information from another, and are not to be construed as indicating or implying relative importance.

Referring to fig. 1, 2 and 3, an oil guiding device 10 of an output shaft of a wet dual clutch transmission according to the present invention is schematically illustrated, and includes an oil baffle disc 11, a first oil guiding groove 12 and a second oil guiding groove 13, wherein the first oil guiding groove 12 and the second oil guiding groove 13 are connected to an inner side of the oil baffle disc 11, the oil baffle disc 11 is disposed in a cavity formed between a dual clutch 20 and a clutch housing 30, such that the oil baffle disc 11 can baffle oil splashed when a clutch rotates, and the oil baffle disc 11 is connected to the clutch housing 30. The output end of the double clutch 20 is connected with a first output shaft 21 and a second output shaft 22 respectively, and the first output shaft 21 and the second output shaft 22 are provided with central oil ducts 23 penetrating through the respective axial leads for transporting lubricating oil to the gears and the needle bearings on the first output shaft 21 and the second output shaft 22. The liquid outlet end of the first oil guide groove 12 is arranged opposite to the central oil passage 23 of the first output shaft 21, and the liquid outlet end of the second oil guide groove 13 is arranged opposite to the central oil passage 23 of the second output shaft 22, so that the oil collected by the oil baffle disc 11 is respectively conveyed to the central oil passages 23 of the first output shaft 21 and the second output shaft 22.

The oil guiding device 10 of the output shaft of the wet type dual clutch transmission based on the technical characteristics comprises an oil baffle disc 11, a first oil guiding groove 12 and a second oil guiding groove 13 which are connected to the inner side of the oil baffle disc 11, wherein the oil baffle disc 11 is arranged in a cavity formed between a dual clutch 20 and a clutch shell 30 and is connected to the clutch shell 30, the liquid outlet end of the first oil guiding groove 12 is arranged opposite to a central oil passage 23 of a first output shaft 21, the liquid outlet end of the second oil guiding groove 13 is arranged opposite to the central oil passage 23 of a second output shaft 22, the dual clutch 20 rotates to drive oil to splash in the working process, the splashed oil is blocked by the oil baffle disc 11 arranged on the clutch shell 30, is collected and gathered through the oil baffle disc 11 and enters the central oil passage 23 of the first output shaft 21 and the central oil passage 23 of the second output shaft 22 from the liquid outlet end of the first oil guiding groove 12 and the liquid outlet end of the second oil guiding, lubrication is provided for the first output shaft 21 and the second output shaft 22. The oil guide device 10 is arranged in a cavity formed between the double clutch 20 and the clutch housing 30, splashed oil is stirred by means of rotation of the double clutch 20 during operation, an oil pump is not required to be additionally arranged, the structure is simple, the installation is easy, and the efficiency of the transmission is not influenced. The oil guide device 10 is provided with two oil guide grooves, the integration level is high, the oil collecting capacity is high, lubricating oil can be provided for two output shafts of the double clutch 20 at the same time, the two independent oil guide devices 10 do not need to be arranged, and the installation space can be effectively saved.

In a preferred embodiment, the oil baffle disc 11 includes an arc baffle portion 111 and a fixing plate portion 112, the fixing plate portion 112 is connected to a bottom end of the arc baffle portion 111 and extends toward a center thereof, the fixing plate portion 112 is provided with an installation hole 1121, the clutch housing 30 is provided with a locking hole (not shown) corresponding to the installation hole 1121, preferably, the installation hole 1121 is a bolt hole, the locking hole is a threaded hole, and the oil guide 10 can be installed on the clutch housing 30 by sequentially screwing a bolt into the bolt hole and the threaded hole, so that the connection manner is simple and reliable. In this embodiment, the number of the mounting holes 1121 is two, and the two mounting holes are respectively disposed at two ends of the fixing plate portion 112, so that the connection is more stable.

Further preferably, as shown in fig. 4 and 5, the first oil guiding groove 12 includes a first oil baffle 121, a first oil collecting groove 122 connected to the bottom of the first oil baffle 121, and a first oil guiding nozzle 123 communicated with the first oil collecting groove 122, the first oil guiding nozzle 123 is disposed opposite to the central oil passage 23 of the first output shaft 21, the first oil baffle 121 blocks a part of oil, and the part of oil flows out from the first oil guiding nozzle 123 along the first oil collecting groove 122 and enters the central oil passage 23 of the first output shaft 21 disposed opposite to the first oil guiding nozzle 123. The second oil guide groove 13 includes a second oil baffle 131, a second oil collecting groove 132 connected to the bottom of the second oil baffle 131, and a second oil guide nozzle 133 communicated with the second oil collecting groove 132, the second oil guide nozzle 133 is disposed opposite to the central oil passage 23 of the second output shaft 22, the second oil baffle 131 also blocks a part of oil, and the part of oil flows out from the second oil guide nozzle 133 along the second oil collecting groove 132 and enters the central oil passage 23 of the second output shaft 22 disposed opposite to the second oil guide nozzle 133.

Specifically, the first oil baffle 121 and the second oil baffle 131 are both connected to the inner side wall of the arc-shaped baffle portion 111, and the first oil collecting groove 122 and the second oil collecting groove 132 both extend toward the inner side of the arc-shaped baffle portion 111 and protrude from the fixing plate portion 112. More specifically, the cross section of the arc-shaped baffle portion 111 is arc-shaped, and the arc-shaped baffle portion is matched with the arc-shaped inner wall of the clutch housing 30, and the included angle between the fixed plate portion 112 and the arc-shaped baffle portion 111 is a right angle.

In a preferred embodiment, the inner edge of the fixed plate 112 is further provided with a flange 1122 extending upward, and the flange 1122 can block the oil on the fixed plate 112 and make the oil gather in the first oil guide groove 12 and the second oil guide groove 13.

Preferably, the fixing plate portion 112 is further provided with a positioning pin 1123, the clutch housing 30 is provided with a positioning hole (not shown) corresponding to the positioning pin 1123, and the positioning pin 1123 and the positioning hole are matched to achieve quick alignment and positioning during installation, so that installation efficiency is improved.

Preferably, the positioning pin 1123, the oil baffle disc 11, the first oil guide groove 12 and the second oil guide groove 13 are integrally formed, so that the manufacturing process is simplified, the number of independent parts is reduced, and the integration level is improved. Further, the positioning pin 1123, the oil baffle disc 11, the first oil guide groove 12 and the second oil guide groove 13 are made of nylon (in this embodiment, nylon-66 is preferably used), and are manufactured by injection molding.

It should also be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

To sum up, the utility model provides a wet-type double clutch transmission output shaft lead oily device 10, including arrange in oil baffle disc 11 in the cavity that forms between double clutch 20 and clutch housing 30, connect in oil baffle disc 11's inboard first lead oil groove 12 and second lead oil groove 13, lead oily device 10 locate the cavity that forms between double clutch 20 and the clutch housing 30, borrow the fluid that the rotation of double clutch 20 during operation stirred and splashes, need not additionally to set up the oil pump, simple structure, easily installation can not influence derailleur efficiency yet. The oil guide device 10 is provided with two oil guide grooves, the integration level is high, the oil collecting capacity is high, lubricating oil can be provided for two output shafts of the double clutch 20 at the same time, the two independent oil guide devices 10 do not need to be arranged, the installation space can be effectively saved, and therefore the oil guide device has high application and popularization values.

The method and the device not described in detail in the present invention are prior art and will not be described in detail.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. An oil guide device of an output shaft of a wet type dual clutch transmission is characterized by comprising an oil baffle disc, a first oil guide groove and a second oil guide groove, wherein the first oil guide groove and the second oil guide groove are connected to the inner side of the oil baffle disc; the output end of the double clutch is respectively connected with a first output shaft and a second output shaft, and central oil ducts penetrating through the respective axial leads are arranged in the first output shaft and the second output shaft;

2. The oil guide device as claimed in claim 1, wherein the oil baffle plate includes an arc-shaped baffle portion and a fixing plate portion connected to a bottom end of the arc-shaped baffle portion and extending toward a center thereof, the fixing plate portion is provided with a mounting hole, and the clutch housing is provided with a locking hole corresponding to the mounting hole.

3. The oil guide device of claim 2, wherein the first oil guide groove comprises a first oil baffle plate, a first oil collecting groove connected to the bottom of the first oil baffle plate, and a first oil guide nozzle communicated with the first oil collecting groove;

4. The oil guide device of claim 3, wherein the first oil baffle plate and the second oil baffle plate are connected to an inner side wall of the arc-shaped baffle plate, and the first oil collecting groove and the second oil collecting groove extend toward an inner side of the arc-shaped baffle plate and protrude from the fixing plate.

5. The oil guide device of claim 2, wherein the cross section of the arc-shaped baffle part is arc-shaped, and an included angle between the fixing plate part and the arc-shaped baffle part is a right angle.

6. The oil guide device of claim 5, wherein the inner edge of the fixing plate portion is further provided with an upwardly extending flange.

7. The oil guide device according to claim 2, wherein the fixing plate portion is further provided with a positioning pin, and the clutch housing is provided with a positioning hole corresponding to the positioning pin.

8. The oil guide device of claim 7, wherein the locating pin, the windage tray, the first oil guide groove, and the second oil guide groove are of an integrally formed structure.

9. The oil guide device according to any one of claims 1 to 8, wherein the oil baffle disc, the first oil guide groove and the second oil guide groove are made of nylon.

10. The oil guide device of claim 2, wherein the mounting hole is a bolt hole and the locking hole is a threaded hole.