CN220850633U - Hydraulic torque converter - Google Patents
Hydraulic torque converter Download PDFInfo
- Publication number
- CN220850633U CN220850633U CN202322007312.2U CN202322007312U CN220850633U CN 220850633 U CN220850633 U CN 220850633U CN 202322007312 U CN202322007312 U CN 202322007312U CN 220850633 U CN220850633 U CN 220850633U
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- CN
- China
- Prior art keywords
- wheel
- turbine
- hub
- cover
- power transmission
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- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 239000003292 glue Substances 0.000 claims abstract description 8
- 239000012530 fluid Substances 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Arrangement Of Transmissions (AREA)
Abstract
The utility model relates to the technical field of automobile power systems and discloses a hydraulic torque converter which comprises an oil power transmission system and a mechanical power transmission system, wherein the oil power transmission system comprises a cover wheel assembly, a pump wheel assembly, a guide wheel assembly and a turbine assembly, the mechanical power transmission system comprises a locking clutch arranged on the cover wheel assembly and a torsion damper arranged on the turbine assembly, a friction plate is arranged on one side, close to the torsion damper, of the locking clutch, a groove is arranged on the friction plate, the groove edge of the groove is connected with the locking clutch through strong glue, and a plurality of limit columns inserted into the locking clutch are arrayed in the groove. The hydraulic torque converter hydraulically transmits an output shaft to obtain large torque, and mechanical force transmission obtains large rotating speed. The grooves are formed in the friction plates, so that the bonding area of the friction plates and the locking clutch is reduced, the friction plates can be conveniently and rapidly milled during maintenance and replacement, the maintenance and processing cost is reduced, the friction plate materials are also reduced, the accurate positioning of the bonding friction plates is realized through the limiting columns, and the installation is convenient.
Description
Technical Field
The utility model relates to the technical field of automobile power systems, in particular to a hydraulic torque converter.
Background
The hydraulic torque converter has good automatic adaptability, can improve the dynamic performance of vehicle, but traditional hydraulic torque converter's efficiency is lower, lead to the economic performance of vehicle relatively poor, this shortcoming has influenced the wide use of hydraulic drive in the vehicle greatly, in order to improve hydraulic torque converter's efficiency and appear the closed-loop type hydraulic torque converter, can form the integral rotation with impeller and turbine locking with the locking clutch when high speed ratio, become mechanical transmission in order to improve efficiency, the friction disc of current locking clutch adopts powerful glue laminating, and make powerful glue fuse between friction disc and locking clutch through powerful pressing equipment, when the friction disc is because the improper wearing and tearing excessively need be changed of appearing, need mill with the milling cutter in order to paste new friction disc again, because current friction disc is wider with the area that the piston pasted mutually, make the processing work load of getting rid of residual friction disc great, process time is also longer.
Disclosure of utility model
The utility model aims to provide a hydraulic torque converter, which solves the problem that in the background art, the subsequent maintenance workload is large due to the fact that the adhesion area between a friction plate and a piston is relatively large.
In order to achieve the aim of the utility model, the utility model adopts the following technical scheme: the utility model provides a torque converter, includes fluid power transmission system and mechanical power transmission system, fluid power transmission system includes cover wheel subassembly, pump impeller subassembly, guide pulley subassembly and turbine subassembly, mechanical power transmission system is including locating the lockup clutch on the cover wheel subassembly to and locate the torsion damper on the turbine subassembly, lockup clutch is close to one side of torsion damper and is equipped with the friction disc, be equipped with the recess on the friction disc, the slot limit of recess is connected with lockup clutch through powerful glue, the array has a plurality of spacing posts of inserting lockup clutch in the recess.
Preferably, a friction force increasing line is arranged on one side of the friction plate away from the groove.
Preferably, the cover wheel assembly comprises a cover wheel hub, the cover wheel hub is provided with a cover wheel, the pump wheel assembly comprises a pump wheel hub, the pump wheel hub is provided with a pump wheel, the cover wheel and the pump wheel are connected through bolts, the turbine assembly comprises a turbine wheel hub, the turbine wheel hub is arranged on the cover wheel hub through a first rolling bearing, the turbine wheel hub is provided with a turbine wheel, the pump wheel hub is internally provided with a seat ring, the guide wheel assembly is arranged between the turbine wheel hub and the pump wheel hub through a pair of thrust bearings, the guide wheel assembly comprises a pair of positioning rings, a guide wheel hub is arranged between the positioning rings, the guide wheel hub is provided with a guide wheel seat, a unidirectional positioner is arranged outside the guide wheel hub, and a guide wheel is arranged on the unidirectional positioner.
Preferably, the cover wheel is provided with a torsion input shaft, and the turbine hub is internally provided with a torsion output shaft.
Preferably, the cover hub is provided with an oil delivery hole.
The beneficial effects of the utility model are concentrated in that: in the hydraulic torque converter, oil with pressure enters a cavity between a cover wheel and a lockup clutch through an oil conveying hole, the lockup clutch is pushed to move downwards to compress a pump wheel, so that power is transmitted through a mechanical structure, the cover wheel rotation power is directly transmitted to a torsional damper through the lockup clutch, and then the torsional damper drives a turbine hub to rotate, so that an output shaft in the turbine hub obtains a high rotating speed; the oil liquid is pumped out and then the lockup clutch moves upwards to leave the pump impeller, so that power is transmitted through a hydraulic structure, the pump impeller is driven to rotate by the cover wheel power, the oil liquid in the pump impeller enters the turbine through the guide wheel, the turbine rotates and drives the output shaft in the turbine hub to rotate, and the output shaft obtains large torque.
When the lockup clutch is engaged, the torsional damper in the lockup clutch can absorb the torque with vibration transmitted by the torque input shaft of the engine and then transmit the torque to the turbine, so that the effect of reducing torsional vibration is achieved.
The grooves are formed in the friction plates, so that the bonding area of the friction plates and the locking clutch is reduced, the friction plates can be conveniently and rapidly milled during maintenance and replacement, the maintenance and processing cost is reduced, the friction plate materials are also reduced, the accurate positioning of the bonding friction plates is realized through the limiting columns, and the installation is convenient.
Drawings
FIG. 1 is a schematic view of the internal structure of the present utility model;
FIG. 2 is a cross-sectional view of the lockup clutch of the present utility model;
FIG. 3 is a top view of a friction plate of the present utility model;
FIG. 4 is a bottom view of the friction plate of the present utility model;
1, a cover wheel assembly; 2. a pump wheel assembly; 3. a guide wheel assembly; 4. a turbine assembly; 5. a lockup clutch; 6. a torsional damper; 7. a friction plate; 8. a groove; 9. a limit column; 10. lines; 11. a cover hub; 12. a cover wheel; 13. a pump hub; 14. a pump wheel; 15. a bolt; 16. a turbine hub; 17. a first rolling bearing; 18. a turbine; 19. a seat ring; 20. a thrust bearing; 21. a positioning ring; 22. a guide hub; 23. a guide wheel seat; 24. a one-way positioner; 25. a guide wheel; 26. a torque input shaft; 27. a torque output shaft; 28. and an oil liquid conveying hole.
Detailed Description
Referring to fig. 1-4, a torque converter, in this embodiment, is generally adapted for use in an automotive powertrain system, and includes an oil power transmission system and a mechanical power transmission system, which are convertible. The hydraulic power transmission is mainly used for starting, climbing and shifting of equipment, and fully plays roles of increasing torque and flexible transmission of the hydraulic torque converter; the mechanical power transmission is used for improving transmission efficiency, reducing fuel consumption, saving fuel and the like.
Specifically, the oil power transmission system comprises a cover wheel assembly 1, a pump wheel assembly 2, a guide wheel assembly 3 and a turbine assembly 4, wherein the cover wheel assembly 1, the pump wheel assembly 2, the guide wheel assembly 3 and the turbine assembly 4 are matched to realize oil power transmission, and the transmission mode is the conventional transmission mode of the hydraulic torque converter.
Specifically, the mechanical power transmission system comprises a locking clutch 5 arranged on the cover wheel assembly 1 and a torsion damper 6 arranged on the turbine assembly 4, wherein the locking clutch 5 can move up and down along with oil pressure, the torsion damper 6 comprises an outer ring, a spring and an inner ring, in order to reduce contact loss of the locking clutch 5, a friction plate 7 is arranged on one side, close to the torsion damper 6, of the locking clutch 5, when the locking clutch 5 moves downwards, the locking clutch is in friction with the outer ring of the torsion damper 6, the outer ring transmits power to the spring, the spring transmits power to the inner ring, and the inner ring transmits power to the turbine assembly 4. Further, in order to reduce the adhesion area between the friction plate 7 and the locking clutch 5, a groove 8 is formed in the friction plate 7, the groove depth of the groove 8 is 1mm, the groove edge of the groove 8 is connected with the locking clutch 5 through strong glue, in order to enable the strong glue to be more effectively adhered to the locking clutch 5, the locking clutch 5 adhered with the friction plate 7 needs to be sent into extrusion equipment, the friction plate 7 is tightly pressed on the locking clutch 5, in order to facilitate the installation and positioning of the friction plate 7, a plurality of limiting columns 9 inserted into the locking clutch 5 are arrayed in the groove 8, and the limiting columns 9 can also be matched with the strong glue to limit the friction plate 7.
Specifically, a friction force increasing line 10 is provided on one side of the friction plate 7 away from the groove 8.
Specifically, the cover wheel assembly 1 comprises a cover wheel hub 11, the cover wheel hub 11 is provided with a cover wheel 12, the pump wheel assembly 2 comprises a pump wheel hub 13, the pump wheel hub 13 is provided with a pump wheel 14, and the pump wheel 14 can be welded into a whole by a plurality of parts or cast integrally by opening a die. Generally, the welding piece has lower cost and short production progress, and is mostly used when the mass production quantity in the test stage is small; and in mass production, the die-sinking integral casting is more preferred. The turbine assembly 4 comprises a turbine hub 16, the turbine hub 16 is arranged on the turbine hub 11 through a first rolling bearing 17, the turbine hub 16 is provided with a turbine 18, the turbine 18 can be arranged on the turbine hub 16 through rivets, a seat ring 19 is arranged in the pump hub 13, the guide wheel assembly 3 is arranged between the turbine hub 16 and the pump hub 13 through a pair of thrust bearings 20, the guide wheel assembly 3 comprises a pair of positioning rings 21, a guide hub 22 is arranged between the pair of positioning rings 21, the guide hub 22 is provided with a guide wheel seat 23, a unidirectional positioner 24 is arranged outside the guide hub 22, a guide wheel 25 is arranged on the unidirectional positioner 24, and the unidirectional positioner 24 can lock the guide wheel 25. The pump impeller 14, the guide pulley 25 and the turbine 18 are filled with oil, and the oil circulates between the pump impeller 14, the guide pulley 25 and the turbine 18 by power driving. The pump 14, the guide wheel 25 and the turbine 18 are all of the prior art, and the internal structure thereof is not described herein.
Specifically, the torque input shaft 26 is disposed on the shroud wheel 12, the torque input shaft 26 may be provided with an engine flywheel, and the flywheel rotates to drive the shroud wheel 12 to rotate, so as to provide initial power for the whole oil power transmission system and the mechanical power transmission system, and the torque output shaft 27 is disposed in the turbine hub 16, and the torque output shaft 27 is connected to a gearbox.
Specifically, the cover hub 11 is provided with an oil feed hole 28. The oil for controlling the lockup clutch 5 is provided by a gearbox oil sump, a lockup valve is arranged in the gearbox, the lockup valve block determines on-off of the oil, when the lockup clutch 5 is unlocked, the oil in the hydraulic torque converter pushes the lockup clutch 5 upwards, the oil between the cover wheel 12 and the lockup clutch 5 is squeezed out, and the oil is discharged from the lockup valve along the oil conveying hole 28.
In order to prevent oil leakage, sealing rings are provided between the turbine hub 16 and the shroud hub 11, between the lockup clutch 5 and the shroud hub 11, and between the lockup clutch 5 and the shroud wheel 12.
Working principle: when the hydraulic torque converter needs to provide large torque power output by an oil power transmission system, an external engine transmits power to a torsion input shaft 26, the torsion input shaft 26 drives a cover wheel 12 to rotate, the cover wheel 12 drives a pump wheel 14 to rotate, the pump wheel 14 drives oil to flow through a guide wheel 25, the oil flows to a turbine 18 through the guide wheel 25 and drives the turbine 18 to rotate, and the turbine 18 drives a turbine hub 16 to rotate, so that a torsion output shaft 27 in the turbine hub 16 rotates and transmits power to a gearbox; when the mechanical power transmission system is required to provide high-speed power output, the locking valve is opened to enable oil in the gearbox to enter the cavities of the cover wheel 12 and the locking clutch 5 through the oil delivery hole 28, the oil drives the locking clutch 5 to move downwards to lock the torsional damper 6 on the pump wheel 14, the torsional damper 6 is driven to rotate to enable the turbine hub 16 to rotate, and therefore the torsion output shaft 27 in the turbine hub 16 is enabled to rotate and transmit power to the gearbox. When the friction plate 7 is damaged and needs to be replaced, the locking clutch 5 is disassembled, the residual friction plate 7 is directly and rapidly milled by a milling machine, and a new friction plate 7 is installed.
Claims (5)
1. The utility model provides a torque converter, its characterized in that, includes fluid power transmission system and mechanical power transmission system, fluid power transmission system includes cover wheel subassembly (1), pump impeller subassembly (2), guide pulley subassembly (3) and turbine subassembly (4), mechanical power transmission system is including locating lockup clutch (5) on cover wheel subassembly (1) to and locate torsion damper (6) on turbine subassembly (4), lockup clutch (5) are close to one side of torsion damper (6) and are equipped with friction disc (7), be equipped with recess (8) on friction disc (7), the slot limit of recess (8) is connected with lockup clutch (5) through powerful glue, a plurality of spacing post (9) of inserting lockup clutch (5) are arrayed in recess (8).
2. A torque converter according to claim 1, characterized in that the friction plate (7) is provided with friction increasing threads (10) on the side facing away from the recess (8).
3. The torque converter according to claim 1, characterized in that the cover wheel assembly (1) comprises a cover wheel hub (11), the cover wheel hub (11) is provided with a cover wheel (12), the pump wheel assembly (2) comprises a pump wheel hub (13), the pump wheel hub (13) is provided with a pump wheel (14), the cover wheel (12) is connected with the pump wheel (14) through a bolt (15), the turbine assembly (4) comprises a turbine wheel hub (16), the turbine wheel hub (16) is arranged on the cover wheel hub (11) through a first rolling bearing (17), the turbine wheel hub (16) is provided with a turbine wheel (18), a seat ring (19) is arranged in the pump wheel hub (13), the guide wheel assembly (3) is arranged between the turbine wheel hub (16) and the pump wheel hub (13) through a pair of thrust bearings (20), a guide wheel (22) is arranged between the pair of positioning rings (21), the guide wheel hub (22) is provided with a guide wheel seat (23), the guide wheel (24) is arranged outside the guide wheel (24), and the guide wheel assembly (24) is provided with a one-way positioner (25).
4. A torque converter according to claim 3, characterized in that the cover wheel (12) is provided with a torque input shaft (26) and the turbine hub (16) is provided with a torque output shaft (27).
5. A torque converter according to claim 4, characterized in that the cover hub (11) is provided with oil feed holes (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322007312.2U CN220850633U (en) | 2023-07-27 | 2023-07-27 | Hydraulic torque converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322007312.2U CN220850633U (en) | 2023-07-27 | 2023-07-27 | Hydraulic torque converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220850633U true CN220850633U (en) | 2024-04-26 |
Family
ID=90742223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322007312.2U Active CN220850633U (en) | 2023-07-27 | 2023-07-27 | Hydraulic torque converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220850633U (en) |
-
2023
- 2023-07-27 CN CN202322007312.2U patent/CN220850633U/en active Active
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