CN204647198U - A kind of closed-end hydraulic torque converter - Google Patents
A kind of closed-end hydraulic torque converter Download PDFInfo
- Publication number
- CN204647198U CN204647198U CN201520192946.2U CN201520192946U CN204647198U CN 204647198 U CN204647198 U CN 204647198U CN 201520192946 U CN201520192946 U CN 201520192946U CN 204647198 U CN204647198 U CN 204647198U
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- China
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- clutch
- hub
- turbine
- outer member
- torque converter
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- Expired - Fee Related
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- Mechanical Operated Clutches (AREA)
- Control Of Fluid Gearings (AREA)
Abstract
The utility model belongs to engineering machinery transmission field, discloses a kind of closed-end hydraulic torque converter.This fluid torque converter comprises and is arranged on lockup clutch in cover whirlpool active chamber that hubcap shell, turbine body and turbine hub formed and damping assembly; Lockup clutch comprises clutch outer member, the inner vertical of clutch outer member is provided with clutch drum, be provided with the clutch hub coaxial with it in clutch drum, in the space that clutch outer member, clutch drum and clutch hub are formed, be disposed with piston, multi-disc friction sheet, retainer and fixed block; Damping assembly comprises spring retainer, shock-absorbing spring and spring bracket; Clutch outer member and hubcap shell are fixed, and fixed block is fixed in clutch outer member, and multi-disc friction sheet is movably arranged between piston and retainer; Turbine hub is fixed with connecting plate, and spring retainer is fixedly connected with connecting plate; One end of turbine body is welded on spring bracket, and its other end is fixed on spring bracket; Clutch hub is fixedly connected with connecting plate.
Description
Technical field
The utility model belongs to engineering machinery transmission field, particularly a kind of closed-end hydraulic torque converter.
Background technique
Fluid torque converter is assembled in the transmission system of vehicle, by the transmission of power of motor to gearbox.When the use of fluid torque converter on engineering vehicle can make vehicle start, moment of torsion increases automatically, improve starting performance, impact when reducing starting and gearshift, prevent engine overload and suddenly flame-out, the fluctuation that improves driving comfortability, intercept the uneven generation of Engine torque, reduce noise.But hydraudynamic drive is compared with mechanical transmission, efficiency is low, and fuel economy is poor.In order to improve the transmission efficiency of fluid torque converter, have employed lockup clutch.Namely car speed high and extraneous duty factor is less time, lockup clutch locking, vehicle changes mechanical transmission into by hydraudynamic drive, improves fuel economy.But traditional lockup clutch all adopts one chip, and torque transfer capability is smaller, be not suitable for the engineering vehicle of high pulling torque complex working condition; During traditional converter lockout, due to the sudden change of torque, easily cause the vibration of transmission system; So, be necessary that research is a kind of and there is effectiveness in vibration suppression and the fluid torque converter of the engineering vehicle of applicable high pulling torque complex working condition.
Model utility content
The purpose of this utility model is to provide a kind of closed-end hydraulic torque converter, and this fluid torque converter can transmitting large torque, is applicable to the engineering vehicle of high pulling torque complex working condition, good damping result; And there is reliable operation, realize the features such as simple.
For reaching above-mentioned technical purpose, the utility model adopts following technological scheme to be achieved.
A kind of closed-end hydraulic torque converter, comprises hubcap shell, turbine assembly, impeller assemblies and guide wheel assembly; Described turbine assembly comprises turbine hub, turbine body; Described impeller assemblies comprises pump impeller hub, pump impeller body; Described guide wheel assembly comprises guide wheel body and stator circle; It is characterized in that, also comprise and be arranged on lockup clutch in cover whirlpool active chamber that hubcap shell, turbine body and turbine hub formed and damping assembly;
Described lockup clutch comprises clutch outer member, the inner vertical of described clutch outer member is provided with clutch drum, be provided with the clutch hub coaxial with it in clutch drum, in the space that described clutch outer member, clutch drum and clutch hub are formed, be disposed with piston, multi-disc friction sheet, retainer and fixed block; Described damping assembly comprises spring retainer, shock-absorbing spring and spring bracket;
Described clutch outer member and hubcap shell are fixed, described fixed block is fixed in clutch outer member, the outer ring surface of described piston is provided with seal groove, in described seal groove, seal ring is installed, described piston is movably arranged in clutch outer member, and described multi-disc friction sheet is movably arranged between piston and retainer;
Described turbine hub is fixed with connecting plate, and described spring retainer is fixedly connected with connecting plate; One end of described turbine body is welded on spring bracket, and its other end is fixed on spring bracket by the first rivet;
Described clutch hub is fixedly connected with connecting plate.
Feature and further improvement of the technical program are:
Described clutch hub is fixedly connected with connecting plate by the second rivet.
Described spring retainer is fixedly connected with connecting plate by the 3rd rivet.
Be provided with the first chute in described clutch drum, the outer ring surface of described friction plate is provided with the first projection coordinated with described first chute.
Be provided with the second chute in described clutch hub, the inner ring surface of described friction plate is provided with the second projection coordinated with described second chute.
Described clutch hub is outside equipped with supporting frame, and support frame as described above is supported between clutch hub and turbine hub.
Closed-end hydraulic torque converter of the present utility model, when little load and high-speed operating mode, lockup clutch locking, turbine body and the housing of fluid torque converter are combined as a whole by lockup clutch, and now output shaft and motor are connected as a single entity, and improve transmission efficiency; When locking, produce vibration owing to impacting, add vibration damper, some impacts by absorber.Lockup clutch is provided with multiple friction plate, adds the moment of torsion of transmission.This fluid torque converter can transmitting large torque, is applicable to the engineering vehicle of high pulling torque complex working condition, good damping result; And there is reliable operation, realize the features such as simple.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the structural representation of a kind of closed-end hydraulic torque converter of the present utility model;
In figure: 1, pump impeller body; 2, accumulator; 3, guide wheel body; 4, stator circle; 5, pump impeller hub; 6, output shaft; 7, overrunning clutch; 8, turbine body; 9, turbine hub; 10, the second rivet; 11, oil circuit control; 12, seal ring; 13, fixed block; 14, hubcap shell; 15, clutch outer member; 16, clutch drum; 17, clutch hub; 18, piston; 19, friction plate; 20, retainer; 21, the first rivet; 22, spring retainer; 23, shock-absorbing spring; 24, spring bracket; 25, connecting plate; 26, the 3rd rivet; 27, hydraulic fluid port; 28, supporting frame.
Embodiment
With reference to Fig. 1, it is the structural representation of a kind of closed-end hydraulic torque converter of the present utility model; This closed-end hydraulic torque converter comprises hubcap shell 14, turbine assembly, impeller assemblies and guide wheel assembly; Turbine assembly comprises turbine hub 9, turbine body 8; Impeller assemblies comprises pump impeller hub 5, pump impeller body 1; Guide wheel assembly comprises guide wheel body 3 and stator circle 4; It is characterized in that: also comprise and be arranged on lockup clutch assembly in cover whirlpool active chamber that hubcap shell 14, turbine body 8 and turbine hub 9 formed and damping assembly.
Lockup clutch comprises clutch outer member 15, the inner vertical of clutch outer member 15 is provided with clutch drum 16, be provided with the clutch hub 17 coaxial with it in clutch drum 16, in the space that clutch outer member 15, clutch drum 16 and clutch hub 17 are formed, be disposed with piston 18, multi-disc friction sheet 19, retainer 20 and fixed block 13; Damping assembly comprises spring retainer 22, shock-absorbing spring 23 and spring bracket 24.
Clutch outer member 15 is fixed with hubcap shell 14, fixed block 13 is fixed in clutch outer member 15, the outer ring surface of piston 18 is provided with seal groove, seal ring 12 is installed in seal groove, piston 18 is movably arranged in clutch outer member 15, and multi-disc friction sheet 19 is movably arranged between piston 18 and retainer 20.
Turbine hub 9 is fixed with connecting plate 25, spring retainer 22 is fixedly connected with connecting plate 25; One end of turbine body 8 is welded on spring bracket 24, and its other end is fixed on spring bracket 24 by the first rivet 21.
Clutch hub 17 is fixedly connected with connecting plate 25.
Wherein, clutch hub 17 is fixedly connected with connecting plate 25 by the second rivet 10.
Wherein, spring retainer 22 is fixedly connected with connecting plate 25 by the 3rd rivet 26.
Wherein, be provided with the first chute in clutch drum 16, the outer ring surface of friction plate 19 is provided with the first projection coordinated with the first chute.
Wherein, be provided with the second chute in clutch hub 17, the inner ring surface of friction plate 19 is provided with the second projection coordinated with the second chute.
Wherein, clutch hub 17 is outside equipped with supporting frame 28, and supporting frame 28 is supported between clutch hub 17 and turbine hub 9.
The oil circuit control 11 of lockup clutch is between piston 18 and hubcap shell 14.When fluid torque converter need in conjunction with time, hydraulic oil enters the hydraulic fluid port 27 on the left of the piston 18 of lockup clutch by oil circuit control 11, thus promotion piston 18 moves, multiple friction plate 19 is pushed on retainer 20 by piston, friction plate group promotes retainer 20 and slides, be pushed to fixed block 13 position, lockup clutch combines.Second of fluid torque converter controls oil duct between pump impeller body 1 and stator circle 4.The Article 3 oil circuit control of fluid torque converter is between turbine hub 9 and stator circle 4.Turbine hub 9 and output shaft 6 are fixed by key.Article 2 oil duct and the Article 3 oil duct of fluid torque converter are connected in the accumulator 2 of fluid torque converter.When lockup clutch is separated, the hydraulic oil in accumulator 2, by the gap between pump impeller body 1 and turbine body 8, is walked around vibration damper, is entered into the right side of retainer 20.Hydraulic oil promotes retainer 20 to left movement, and promote multidisc friction plate 19 and be separated with retainer 20, lockup clutch is separated.When lockup clutch in conjunction with time, the impact shock that friction plate 19 and retainer 20 produce, the impact that retainer 20 and fixed block 13 produce, be delivered on vibration damper by connecting plate 25, vibration damper absorbs vibratory impulse by shock-absorbing spring 23.Vibration damper is delivered on turbine body 8 by spring bracket 24.Now, lockup clutch steadily combines.Transmission condition is converted into mechanical working condition completely by mixed flow regime.In order to suppress lockup clutch in conjunction with time impact, time again in conjunction with lockup clutch, by controlling for grease chamber's gallery pressure, progressive increase is carried out to oil pressure, to make this lockup clutch temporarily be in the skidding stage, and then this lockup clutch is combined completely.Rub the stage sliding, when multiple friction plates of lockup clutch start to contact and start transmitting torque, the shock-absorbing spring 23 of vibration damper is compressed, thus impact when transmission of torque starts is absorbed, and lockup clutch is able to smooth combination.
Closed-end hydraulic torque converter of the present utility model, when little load and high-speed operating mode, lockup clutch locking, turbine body and the housing of fluid torque converter are combined as a whole by lockup clutch, and now output shaft and motor are connected as a single entity, and improve transmission efficiency; When locking, produce vibration owing to impacting, add vibration damper, some impacts by absorber.Lockup clutch is provided with multiple friction plate, adds the moment of torsion of transmission.This fluid torque converter can transmitting large torque, is applicable to the engineering vehicle of high pulling torque complex working condition, good damping result; And there is reliable operation, realize the features such as simple.
Although be below described embodiment of the present utility model by reference to the accompanying drawings, but the utility model is not limited to above-mentioned specific embodiments and applications field, above-mentioned specific embodiments is only schematic, guiding, instead of restrictive.Those of ordinary skill in the art is under the enlightenment of specification, and when not departing from the scope that the utility model claim is protected, can also make a variety of forms, these all belong to the row of the utility model protection.
Claims (6)
1. a closed-end hydraulic torque converter, comprises hubcap shell, turbine assembly, impeller assemblies and guide wheel assembly; Described turbine assembly comprises turbine hub, turbine body; Described impeller assemblies comprises pump impeller hub, pump impeller body; Described guide wheel assembly comprises guide wheel body and stator circle; It is characterized in that, also comprise and be arranged on lockup clutch in cover whirlpool active chamber that hubcap shell, turbine body and turbine hub formed and damping assembly;
Described lockup clutch comprises clutch outer member, the inner vertical of described clutch outer member is provided with clutch drum, be provided with the clutch hub coaxial with it in clutch drum, in the space that described clutch outer member, clutch drum and clutch hub are formed, be disposed with piston, multi-disc friction sheet, retainer and fixed block; Described damping assembly comprises spring retainer, shock-absorbing spring and spring bracket;
Described clutch outer member and hubcap shell are fixed, described fixed block is fixed in clutch outer member, the outer ring surface of described piston is provided with seal groove, in described seal groove, seal ring is installed, described piston is movably arranged in clutch outer member, and described multi-disc friction sheet is movably arranged between piston and retainer;
Described turbine hub is fixed with connecting plate, and described spring retainer is fixedly connected with connecting plate; One end of described turbine body is welded on spring bracket, and its other end is fixed on spring bracket by the first rivet;
Described clutch hub is fixedly connected with connecting plate.
2. a kind of closed-end hydraulic torque converter according to claim 1, is characterized in that, described clutch hub is fixedly connected with connecting plate by the second rivet.
3. a kind of closed-end hydraulic torque converter according to claim 1, is characterized in that, described spring retainer is fixedly connected with connecting plate by the 3rd rivet.
4. a kind of closed-end hydraulic torque converter according to claim 1, is characterized in that, is provided with the first chute in described clutch drum, and the outer ring surface of described friction plate is provided with the first projection coordinated with described first chute.
5. a kind of closed-end hydraulic torque converter according to claim 1, is characterized in that, is provided with the second chute in described clutch hub, and the inner ring surface of described friction plate is provided with the second projection coordinated with described second chute.
6. a kind of closed-end hydraulic torque converter according to claim 1, is characterized in that, described clutch hub is outside equipped with supporting frame, and support frame as described above is supported between clutch hub and turbine hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520192946.2U CN204647198U (en) | 2015-04-01 | 2015-04-01 | A kind of closed-end hydraulic torque converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520192946.2U CN204647198U (en) | 2015-04-01 | 2015-04-01 | A kind of closed-end hydraulic torque converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204647198U true CN204647198U (en) | 2015-09-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520192946.2U Expired - Fee Related CN204647198U (en) | 2015-04-01 | 2015-04-01 | A kind of closed-end hydraulic torque converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204647198U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606097A (en) * | 2017-10-09 | 2018-01-19 | 陕西航天动力高科技股份有限公司 | A kind of big pump impeller fluid torque-converter |
-
2015
- 2015-04-01 CN CN201520192946.2U patent/CN204647198U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606097A (en) * | 2017-10-09 | 2018-01-19 | 陕西航天动力高科技股份有限公司 | A kind of big pump impeller fluid torque-converter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20160401 |