CN2895893Y - Hydraulic torque variator - Google Patents
Hydraulic torque variator Download PDFInfo
- Publication number
- CN2895893Y CN2895893Y CN 200620038725 CN200620038725U CN2895893Y CN 2895893 Y CN2895893 Y CN 2895893Y CN 200620038725 CN200620038725 CN 200620038725 CN 200620038725 U CN200620038725 U CN 200620038725U CN 2895893 Y CN2895893 Y CN 2895893Y
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- China
- Prior art keywords
- turbine
- axle sleeve
- degrees
- piston
- protecgulum
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- Expired - Fee Related
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Abstract
The utility model relates to a hydraulic torque variator which comprises a turbine, a turbine shaft sleeve which is fixed on the turbine, a front cover which has an outward radial and convex curved surface, a locking shock absorption mechanism which is composed by an axle sleeve plate, even number helical spring, a steel piece, a ring cover plate, and a disc-shaped piston; the piston which the radical is toward to the direction of front cover is a curved surface; the helical springs are distributed equally at the circumferential direction of the concave part of the piston; the axle sleeve plate is fixed on the turbine which is characterized in that a spring piece is provided between the ring cover plate and the axle sleeve; the inlet angle of turbine blades is 35 degrees to 40 as well as the outlet angle is 135 degrees to 140, the inlet angle of guide wheel blades is 35 degrees to 40 degrees as well as the outlet angle is 38 degrees to 45 degrees, and the inlet angle of the pump impeller blades is 93 degrees to 98 as well as the outlet angle is 105 degrees to 108. the utility model has the advantages of that the device improves the shock absorption of engine under the low-speed condition and increases the efficiency.
Description
Technical field
The utility model relates to a kind of fluid torque converter, can be used between motor car engine and the gearbox, is to substitute clutch to realize the self-shifting critical component, belongs to the gearbox technical field.
Background technique
But automobile torque converter is the fluid power transmission component, it can be with the variation automatic stepless speed change of external load, motor and the transmission system of can decaying effectively turn round shake and dynamic load, make the automobile that this element is housed have good startability, acceleration, stationarity and to the automatic adaptability of external load.So but can make vehicle obtain good low-speed performance the working life of significant prolongation motor and driver again, improve the passing capacity to various complex road surfaces, simplify driver's operation, minimizing is tired, improves the safety traffic ability.The automobile that has automatic transmission system need not clutch, and the driver needn't gear shift, and automaitc shfit passes to wheel by fluid torque converter with moment of torsion, so stable drive, ride comfort.
In order to improve fuel efficiency, have a lock-up clutch in the fluid torque converter, when fluid torque converter transmits energy by fluid power, high speed and part operating mode cause the loss of energy, and lock-up clutch couples together the preceding cap assembly and the turbine assembly of fluid torque converter, has prevented the fluid power energy loss, increases the locking damper mechanism simultaneously and can increase overdirve gear, in order to reducing vibrations and noise, improve fuel efficiency.
Fluid torque converter is main except that Shanghai GM at present finds by retrieval that still by import the efficient of the fluid torque converter that is used for car and light truck at the coupling point place that AIAE American institute of automobile engineers was announced in 1996 is 85%.
Summary of the invention
The purpose of this utility model provides a kind of shock absorbing characteristics that improves under the low engine speed condition, the fluid torque converter of raising the efficiency.
For realizing above purpose, technological scheme of the present utility model provides a kind of fluid torque converter, comprise a turbine and the turbine axle sleeve that is fixed on the turbine, the protecgulum that can carry out transmission of power and have convex face, between turbine and protecgulum, be provided with the locking damper mechanism of forming by helical spring, steel disc, circumferential butt and the discoid piston of axle sleeve plate, one-tenth even number, described piston can be vertically move freely towards protecgulum for putting at turbine shaft, radially to the curved surface of protecgulum direction indent; It is circumferential that described helical spring is distributed on the female parts of piston; Described axle sleeve plate is fixed on the turbine, and bore portion is close to helical spring towards the curved surface of turbine indent in it, it is characterized in that, is provided with spring sheet between circumferential butt and axle sleeve plate; Described turbine blade inlet angle is that 35 °-40 °, exit angle are 135 °-140 °, and the guide vane inlet angle is that 35 °-40 °, exit angle are 38 °-45 °, and the pump impeller blade inlet angle is that 93 °-98 °, exit angle are 105 °-108 °.
Described spring sheet is dish-shaped plate-like spring sheet.
The utility model increases dish-shaped plate-like spring sheet between circumferential butt and axle sleeve plate, increase the two-way 15.7 ± 4.9Nm of being of damping, locate for 2 ° at corner, the locking moment point that adapts to existing fluid torque converter in the world requires the trend of low speedization, improves the shock absorbing characteristics under the low engine speed condition; To adopt the variable cross section design at the guide wheel of fluid torque converter, can make fluid torque converter adapt to the motor of maximum torque point at 5200rpm, usability: efficiency eta=87%, stall torque K0=1.95-2.02, torque ratio λ=12.5, improve the bending moment performance of high engine speeds low-grade location, suitably reduce the stall converter torque ratio simultaneously, improved utilization efficiency.
The utility model has the advantages that the shock absorbing characteristics that improves under the low engine speed condition, raise the efficiency.
Description of drawings
Fig. 1 is embodiment's 1 fluid torque converter structural representation;
Fig. 2 is embodiment's 2 fluid torque converter structural representations.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment 1
As shown in Figure 1, be embodiment's 1 fluid torque converter structural representation, described fluid torque converter, comprise a turbine 1 and the turbine axle sleeve 5 that is fixed on the turbine 1, the protecgulum 2 that can carry out transmission of power and have convex face, between turbine 1 and protecgulum 2, be provided with by axle sleeve plate 6, become the helical spring 7 of even number, steel disc 8, the locking damper mechanism that circumferential butt 9 and discoid piston 10 are formed, described piston 10 is radially to the curved surface of protecgulum 2 direction indents, can be on turbine axle sleeve 5 can be vertically move freely towards protecgulum 2, the female parts that described helical spring 7 is distributed on piston 10 is circumferential; Described axle sleeve plate 6 is fixed on the turbine 1, and bore portion is close to helical spring 7 towards the curved surface of turbine 1 indent in it, and dish-shaped plate-like spring sheet 4 is installed between circumferential butt 9 and axle sleeve plate 6; Described turbine 1 inlet blade angle is that 35 °-40 °, exit angle are 135 °-140 °, and the guide vane inlet angle is that 35 °-40 °, exit angle are 38 °-45 °, and the pump impeller blade inlet angle is that 93 °-98 °, exit angle are 105 °-108 °.
As shown in Figure 2, be embodiment's 2 fluid torque converter structural representations, described piston 10 is the curved surface to protecgulum 2 direction projectioies, can put and can move freely towards protecgulum 2 vertically at turbine shaft; The convex portion that described helical spring 7 is distributed on piston 10 is circumferential, and is fixed between steel disc 8 and circumferential butt 9 with upper spring positioning seat 3 by one; Tape spool is fixed on the turbine 1 to the axle sleeve plate 6 of outstanding pawl pincers, and its extension part is close to helical spring 7 towards the curved surface of turbine 1 projection, and other structure is the same with embodiment 1.
Claims (3)
1. fluid torque converter, comprise a turbine (1) and be fixed on turbine axle sleeve (5) on the turbine (1), the protecgulum (2) that can carry out transmission of power and have convex face, between turbine (1) and protecgulum (2), be provided with the locking damper mechanism of forming by helical spring (7), steel disc (8), circumferential butt (9) and the discoid piston (10) of axle sleeve plate (6), one-tenth even number, described piston (10) be for can be on turbine axle sleeve (5) can be vertically moving freely towards protecgulum (2), radially to the curved surface of protecgulum (2) direction indent; It is circumferential that described helical spring (7) is distributed on the female parts of piston (10); Described axle sleeve plate (6) is fixed on the turbine (1), and bore portion is close to helical spring (7) towards the curved surface of turbine (1) indent in it, it is characterized in that, is provided with spring sheet (4) between circumferential butt (9) and axle sleeve plate (6); Described turbine (1) inlet blade angle is that 35 °-40 °, exit angle are 135 °-140 °, and the guide vane inlet angle is that 35 °-40 °, exit angle are 38 °-45 °, and the pump impeller blade inlet angle is that 93 °-98 °, exit angle are 105 °-108 °.
2. fluid torque converter according to claim 1 is characterized in that, described spring sheet (4) is dish-shaped plate-like spring sheet.
3. fluid torque converter according to claim 1 is characterized in that, described piston (10) be for can be on turbine axle sleeve (5) can be vertically moving freely towards protecgulum (2), radially to the curved surface of protecgulum (2) direction projection; It is circumferential that described helical spring (7) is distributed on the convex portion of piston (10), and fixed between steel disc (8) and circumferential butt (9) with upper spring positioning seat (3) by one; Tape spool is fixed on the turbine (1) to the axle sleeve plate (6) of outstanding pawl pincers, and its extension part is close to helical spring (7) towards the curved surface of turbine (1) projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620038725 CN2895893Y (en) | 2006-01-05 | 2006-01-05 | Hydraulic torque variator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620038725 CN2895893Y (en) | 2006-01-05 | 2006-01-05 | Hydraulic torque variator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2895893Y true CN2895893Y (en) | 2007-05-02 |
Family
ID=38065469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620038725 Expired - Fee Related CN2895893Y (en) | 2006-01-05 | 2006-01-05 | Hydraulic torque variator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2895893Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277481A (en) * | 2013-06-21 | 2013-09-04 | 广西柳工机械股份有限公司 | Hydraulic single-turbine torque converter |
| CN104764602A (en) * | 2015-04-05 | 2015-07-08 | 重庆理工清研凌创测控科技有限公司 | Automatic axial clamping device for gearbox hydraulic torque converter used for offline detection |
-
2006
- 2006-01-05 CN CN 200620038725 patent/CN2895893Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277481A (en) * | 2013-06-21 | 2013-09-04 | 广西柳工机械股份有限公司 | Hydraulic single-turbine torque converter |
| CN103277481B (en) * | 2013-06-21 | 2015-10-14 | 广西柳工机械股份有限公司 | Hydraulic single-turbine torque converter |
| CN104764602A (en) * | 2015-04-05 | 2015-07-08 | 重庆理工清研凌创测控科技有限公司 | Automatic axial clamping device for gearbox hydraulic torque converter used for offline detection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |