CN204985683U - Car torque converter slippage control circuit - Google Patents
Car torque converter slippage control circuit Download PDFInfo
- Publication number
- CN204985683U CN204985683U CN201520788873.3U CN201520788873U CN204985683U CN 204985683 U CN204985683 U CN 204985683U CN 201520788873 U CN201520788873 U CN 201520788873U CN 204985683 U CN204985683 U CN 204985683U
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- valve port
- valve
- oil circuit
- lock
- slippage
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Abstract
The utility model provides a car torque converter slippage control circuit, its technical essential is includes torque converter, during slippage control valve left side, first slippage valve port and second slippage valve port intercommunication, it is when the right side, and second slippage valve port communicates with first drain tap, the lock -up clutch control valve is when the right side, valve port intercommunication on first valve port and the second, it is when the left side, valve port intercommunication on first upward valve port and the second, valve port intercommunication on first valve port and the third, valve port under valve port and the third slippage under the 6th oil circuit connection third, torque converter's separation end valve port and left slippage valve port on the second is connected to the second oil circuit, torque converter's combination end on slippage valve port and third valve port on the third oil circuit is connected, first slippage valve port and first valve port are connected to first oil circuit, second slippage valve port is connected through the fourth oil circuit to the first valve port of going up. The utility model discloses a slippage volume makes the lock -up clutch separation or combines, makes power pass through two route transmission of torque converter and lock -up clutch.
Description
Technical field:
The utility model belongs to the oil circuit control of automatic transmission, is specifically related to a kind of automobile torque converter slip control oil circuit.
Background technique:
The slip control of fluid torque converter is realized by the compression oil pressure of change lock-up clutch both sides, controlled the slip amount of lock-up clutch by the impacting force size controlling lock-up clutch both sides.Existing Mobile Power Transmission mainly contains two kinds of modes, and one is the lock-up clutch combination in fluid torque converter, and power is directly passed to automatic transmission by lock-up clutch; Two is the lock-up clutch separation in fluid torque converter, and power passes to automatic transmission by fluid torque converter.When fluid torque converter lock-up clutch in conjunction with time, input shaft and the output shaft of fluid torque converter are just in lockup state, effectively can reduce the energy loss of fluid torque converter, but the noise that the torque ripple that motor produces causes and vibration can be directly delivered in the power train of automobile, this reduces maneuverability and the power train life-span of automobile, reduce the travelling comfort taken simultaneously; When the lock-up clutch of fluid torque converter is separated, effectively can intercepts the transmission of engine torque fluctuation to power train, thus improve maneuverability and the power train life-span of automobile, guarantee the travelling comfort taken, but add the energy loss of fluid torque converter.
Summary of the invention:
The purpose of this utility model is to provide a kind of automobile torque converter slip control oil circuit, fluid torque converter is made under slip amount given in advance, to make lock-up clutch be separated or combine, thus making power pass to automatic transmission by fluid torque converter and lock-up clutch two paths, the allocation proportion of its power transfer path is decided by slip amount.
Automobile torque converter slip control oil circuit of the present utility model, the technological scheme adopted for achieving the above object is: comprise fluid torque converter, slip control valve, lock-up clutch control valve and solenoid valve, be in right side in the valve body of described slip control valve and be provided with the first spring, the spool of slip control valve connects the first spring by the first valve pocket, the valve body of slip control valve is in left side and is provided with left slippage valve port, be in top and be provided with slippage valve port, be in bottom and be provided with the first downslide difference limen mouth, second downslide difference limen mouth, 3rd downslide difference limen mouth and the first slippage drain tap, when the spool of slip control valve is in left side, first downslide difference limen mouth is communicated with the second downslide difference limen mouth, when the spool of slip control valve is in right side, second downslide difference limen mouth is communicated with the first slippage drain tap, be in left side in the valve body of described lock-up clutch control valve and be provided with the second spring be connected with the spool of lock-up clutch control valve, the valve body of lock-up clutch control valve is in top and is provided with valve port on first, valve port on valve port and the 3rd on second, be in bottom and be provided with the first lower valve port and the 3rd lower valve port, when lock-up clutch control valve is in right side, first lower valve port is communicated with valve port on second, when lock-up clutch control valve is in left side, on first, valve port is communicated with valve port on second, first lower valve port is communicated with valve port on the 3rd, the upper valve port of described solenoid valve connects the 3rd lower valve port and the 3rd slippage lower valve port respectively by the 6th oil circuit, the separating end of the lock-up clutch of described fluid torque converter connects valve port and left slippage valve port on second by the second oil circuit, the binding end of the lock-up clutch of fluid torque converter connects valve port on upper slippage valve port and the 3rd respectively by the 3rd oil circuit, the output terminal of the first oil circuit connects the first downslide difference limen mouth and the first lower valve port respectively, on first, valve port connects the second downslide difference limen mouth by the 4th oil circuit.
As further improvement of the utility model, the bottom of described lock-up clutch control valve to be also provided with on the 4th valve port on valve port and the 5th, 3rd oil circuit connects valve port on the 4th, on described 5th, valve port connects the cooling and lubricating system of automatic transmission by the 7th oil circuit, when lock-up clutch control valve is in right side, on 4th, valve port is communicated with valve port on the 5th, is now the cooling and lubricating system fuel feeding of automatic transmission by the 3rd oil circuit.
Further improve as of the present utility model, the bottom of described lock-up clutch control valve is also provided with the second lower valve port, second lower valve port connects the 8th oil circuit, when lock-up clutch control valve is in left side, second lower valve port is communicated with valve port on the 5th, is now the cooling and lubricating system fuel feeding of automatic transmission by the 8th oil circuit.
As further improvement of the utility model, the bottom of described solenoid valve is provided with the first drain tap, releases unnecessary oil pressure to guarantee the safety of solenoid valve by the first drain tap.
As further improvement of the utility model, described first valve pocket is arranged on by the second valve pocket in the valve body of slip control valve, is carried out protecting and support to the first valve pocket by the second valve pocket.
As further improvement of the utility model; the bottom of described slip control valve is provided with the second slippage drain tap, and when the spool of slip control valve is in left side, the second slippage drain tap communicates with its valve body; oil pressure unnecessary in the valve body of slip control valve can be released, guarantee the safety of slip control valve.
As further improvement of the utility model, the bottom of described lock-up clutch control valve is provided with the second drain tap near left side, releases unnecessary oil pressure to guarantee the safety of lock-up clutch control valve by the second drain tap.
The beneficial effects of the utility model are: the utility model is the second oil circuit and the 3rd oil circuit fuel feeding by the first oil circuit, is separated by the lock-up clutch of fluid torque converter by the oil pressure in the second oil circuit, makes the power of automatic transmission by torque converter drive, by the 3rd oil circuit, the lock-up clutch of fluid torque converter is combined, the power of automatic transmission is transmitted by lock-up clutch, the position of lock-up clutch control valve is regulated particular by solenoid valve, lock-up clutch control valve is made to be in left position or right position, the flow direction of the first oil circuit output oil pressure is controlled by the position of lock-up clutch control valve, when lock-up clutch control valve is in right position, first oil circuit is mainly the second oil circuit voltage supply by lock-up clutch control valve, then by the second oil circuit to the 3rd oil circuit dividing potential drop, when lock-up clutch control valve is in left position, first oil circuit is mainly the 3rd oil circuit voltage supply by lock-up clutch control valve, again successively by slip control valve, 4th oil circuit and lock-up clutch control valve are the second oil circuit voltage supply, mainly through the second oil circuit to slip control valve applying power to the right, by the 3rd oil circuit and the first spring, power is left applied to slip control valve, power when is left greater than power to the right, slip control valve is moved to the left, power when is left less than power to the right, slip control valve moves right, the oil pressure size in the second oil circuit is controlled by the change in location of slip control valve movement to the left or to the right, oil pressure difference between second oil circuit and the 3rd oil circuit is slip amount, when the oil pressure in the second oil circuit is greater than the oil pressure in the 3rd oil circuit, lock-up clutch is separated, when the oil pressure in the second oil circuit is less than the oil pressure in the 3rd oil circuit, lock-up clutch combines, thus reach and make power pass to the object of automatic transmission by lock-up clutch and fluid torque converter two paths.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model.
Embodiment:
With reference to Fig. 1, this automobile torque converter slip control oil circuit, comprise fluid torque converter 1, slip control valve 2, lock-up clutch control valve 7 and solenoid valve 8, be in right side in the valve body of described slip control valve 2 and be provided with the first spring 5, the spool of slip control valve 2 connects the first spring 5 by the first valve pocket 4, the valve body of slip control valve 2 is in left side and is provided with left slippage valve port 21, be in top and be provided with slippage valve port 27, be in bottom and be provided with the first downslide difference limen mouth 22, second downslide difference limen mouth 23, 3rd downslide difference limen mouth 24, first slippage drain tap 25 and the second slippage drain tap 26, when the spool of slip control valve 2 is in left side, first downslide difference limen mouth 22 is communicated with the second downslide difference limen mouth 23, second slippage drain tap 26 communicates with its valve body, when the spool of slip control valve 2 is in right side, second downslide difference limen mouth 23 is communicated with the first slippage drain tap 25, be in left side in the valve body of described lock-up clutch control valve 7 and be provided with the second spring 6 be connected with the spool of lock-up clutch control valve 7, the valve body of lock-up clutch control valve 7 is in top and is provided with valve port 71 on first, valve port 72 on second, valve port 73 on 3rd, valve port 75 on valve port 74 and the 5th on 4th, be in bottom and be provided with the first lower valve port 76, second lower valve port 77, 3rd lower valve port 78 and the second drain tap 79, when lock-up clutch control valve 7 is in right side, first lower valve port 76 is communicated with valve port on second 72, on 4th, valve port 74 is communicated with valve port 75 on the 5th, when lock-up clutch control valve 7 is in left side, on first, valve port 71 is communicated with valve port on second 72, first lower valve port 76 is communicated with valve port 73 on the 3rd, second lower valve port 77 is communicated with valve port 75 on the 5th, the upper valve port 81 of described solenoid valve 8 connects the 3rd lower valve port 78 and the 3rd slippage lower valve port 24 respectively by the 6th oil circuit 96, the separating end of the lock-up clutch 11 of described fluid torque converter 1 connects valve port 72 on second by the second oil circuit 92, left slippage valve port 21 connects the second oil circuit 92, the binding end of the lock-up clutch 11 of fluid torque converter 1 connects slippage valve port 27 respectively by the 3rd oil circuit 93, valve port 74 on valve port 73 and the 4th on 3rd, the output terminal of the first oil circuit 91 connects the first downslide difference limen mouth 22 and the first lower valve port 76 respectively, on first, valve port 71 connects the second downslide difference limen mouth 23 by the 4th oil circuit 94.On described 5th, valve port 75 connects the cooling and lubricating system of automatic transmission by the 7th oil circuit 97.The bottom of described solenoid valve 8 is provided with the first drain tap 82.Described first valve pocket 4 is arranged in the valve body of slip control valve 2 by the second valve pocket 3.
Working principle of the present utility model: when automatic transmission works, along with the change of speed conditions, the oil pressure that solenoid valve 8 exports to the 6th oil circuit 96 rises to 6bar from 0bar gradually, when the oil pressure in the 6th oil circuit 96 is lower than 0.6bar, it is less than the second spring 6 by the 3rd lower valve port 78 pressure acted on lock-up clutch control valve 7 and acts on pressure on lock-up clutch control valve 7, lock-up clutch control valve 7 is positioned at right side, slip control valve 2 is positioned at left side under the active force of the first spring 4, now, oil pressure in first oil circuit 91 passes to the second oil circuit 92 by valve port 72 on the first lower valve port 76 and second successively, the separating end of fluid torque converter 1 is passed to by the second oil circuit 92, lock-up clutch 11 is separated, passing to left slippage valve port 21 pairs of slip control valves 2 by the second oil circuit 92 applies a power to the right simultaneously, the oil pressure entered in fluid torque converter 1 passes to the 3rd oil circuit 93 by the binding end of fluid torque converter 1 again, pass to upper slippage valve port 27 by the 3rd oil circuit 93 and a power is left applied to the first valve pocket 4, when the oil pressure in the 6th oil circuit 96 is greater than 0.6bar, it is greater than the second spring 6 by the 3rd lower valve port 78 pressure acted on lock-up clutch control valve 7 and acts on pressure on lock-up clutch control valve 7, lock-up clutch control valve 7 is positioned at left side, now, oil pressure in first oil circuit 91 passes to the 3rd oil circuit 93 by valve port 73 on the first lower valve port 76 and the 3rd successively, first oil circuit 91 passes to the 4th oil circuit 94 through the first downslide difference limen mouth 22 and the second downslide difference limen mouth 23 successively simultaneously, again by the 4th oil circuit 94 successively on first on valve port 71 and second valve port 72 pass to the second oil circuit 92, because the oil pressure in the 3rd oil circuit 93 and the first spring 4 pairs of slip control valves 2 apply power left, second oil circuit 92 and the 6th oil circuit 96 pairs of slip control valves 2 apply power to the right, if power is left greater than power to the right, then slip control valve 2 is moved to the left, if power is to the right greater than power left, then slip control valve 2 moves right, when slip control valve 2 is in right side, the valve port that slip control valve 2 communicates with the first oil circuit 91 and the 6th oil circuit 96 is closed, simultaneously by the first oil circuit 91 successively by the first downslide difference limen mouth 22 and the second downslide difference limen mouth 23 pass to oil pressure in the 4th oil circuit 94 again through the second downslide difference limen mouth 23 by the first slippage relief port 25 pressure release, now only has the power that the second oil circuit 92 pairs of slip control valves 2 apply to the right, when slip control valve 2 moves between right position, oil pressure in second oil circuit 92 changes along with the variation of slip control valve 2 position, if the oil pressure in the second oil circuit 92 is greater than the oil pressure in the 3rd oil circuit 93, then lock-up clutch 11 is separated, if the oil pressure in the second oil circuit 92 is less than the oil pressure in the 3rd oil circuit 93, then lock-up clutch 11 combines.
In said process, when lock-up clutch control valve 7 is positioned at right side, the fluid in the 3rd oil circuit 93 successively on the 4th on valve port 74 and the 5th valve port 75 pass to the 7th oil circuit 97 for cooling and lubricating system fuel feeding; When lock-up clutch control valve 7 is positioned at left side, the fluid in the 8th oil circuit 98 successively on the second lower valve port 77 and the 5th valve port 75 pass to the 7th oil circuit 97 for cooling and lubricating system fuel feeding.
Claims (7)
1. an automobile torque converter slip control oil circuit, it is characterized in that: comprise fluid torque converter (1), slip control valve (2), lock-up clutch control valve (7) and solenoid valve (8), be in right side in the valve body of described slip control valve (2) and be provided with the first spring (5), the spool of slip control valve (2) connects the first spring (5) by the first valve pocket (4), the valve body of slip control valve (2) is in left side and is provided with left slippage valve port (21), be in top and be provided with slippage valve port (27), be in bottom and be provided with the first downslide difference limen mouth (22), second downslide difference limen mouth (23), 3rd downslide difference limen mouth (24) and the first slippage drain tap (25), when the spool of slip control valve (2) is in left side, first downslide difference limen mouth (22) is communicated with the second downslide difference limen mouth (23), when the spool of slip control valve (2) is in right side, second downslide difference limen mouth (23) is communicated with the first slippage drain tap (25), be in left side in the valve body of described lock-up clutch control valve (7) and be provided with the second spring (6) be connected with the spool of lock-up clutch control valve (7), the valve body of lock-up clutch control valve (7) is in top and is provided with valve port on first (71), valve port (73) on valve port (72) and the 3rd on second, be in bottom and be provided with the first lower valve port (76) and the 3rd lower valve port (78), when lock-up clutch control valve (7) is in right side, first lower valve port (76) is communicated with valve port on second (72), when lock-up clutch control valve (7) is in left side, on first, valve port (71) is communicated with valve port on second (72), first lower valve port (76) is communicated with valve port (73) on the 3rd, the upper valve port (81) of described solenoid valve (8) connects the 3rd lower valve port (78) and the 3rd slippage lower valve port (24) respectively by the 6th oil circuit (96), the separating end of the lock-up clutch (11) of described fluid torque converter (1) connects valve port (72) on second by the second oil circuit (92), left slippage valve port (21) connects the second oil circuit (92), the binding end of the lock-up clutch (11) of fluid torque converter (1) connects valve port (73) on slippage valve port (27) and the 3rd respectively by the 3rd oil circuit (93), the output terminal of the first oil circuit (91) connects the first downslide difference limen mouth (22) and the first lower valve port (76) respectively, on first, valve port (71) connects the second downslide difference limen mouth (23) by the 4th oil circuit (94).
2. a kind of automobile torque converter slip control oil circuit as claimed in claim 1, it is characterized in that: the bottom of described lock-up clutch control valve (7) to be also provided with on the 4th valve port (75) on valve port (74) and the 5th, 3rd oil circuit (93) connects valve port (74) on the 4th, on described 5th, valve port (75) connects the cooling and lubricating system of automatic transmission by the 7th oil circuit (97), when lock-up clutch control valve (7) is in right side, on the 4th, valve port (74) is communicated with valve port (75) on the 5th.
3. a kind of automobile torque converter slip control oil circuit as claimed in claim 2, it is characterized in that: the bottom of described lock-up clutch control valve (7) is also provided with the second lower valve port (77), second lower valve port (77) connects the 8th oil circuit (98) when lock-up clutch control valve (7) is in left side, and the second lower valve port (77) is communicated with valve port (75) on the 5th.
4. a kind of automobile torque converter slip control oil circuit as claimed in claim 1, is characterized in that: the bottom of described solenoid valve (8) is provided with the first drain tap (82).
5. a kind of automobile torque converter slip control oil circuit as claimed in claim 1, is characterized in that: described first valve pocket (4) is arranged in the valve body of slip control valve (2) by the second valve pocket (3).
6. a kind of automobile torque converter slip control oil circuit as claimed in claim 1, is characterized in that: the bottom of described slip control valve (2) is provided with the second slippage drain tap (26).
7. a kind of automobile torque converter slip control oil circuit as claimed in claim 1, is characterized in that: the bottom of described lock-up clutch control valve (7) is provided with the second drain tap (79) near left side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520788873.3U CN204985683U (en) | 2015-10-13 | 2015-10-13 | Car torque converter slippage control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520788873.3U CN204985683U (en) | 2015-10-13 | 2015-10-13 | Car torque converter slippage control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204985683U true CN204985683U (en) | 2016-01-20 |
Family
ID=55120054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520788873.3U Expired - Fee Related CN204985683U (en) | 2015-10-13 | 2015-10-13 | Car torque converter slippage control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204985683U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179679A (en) * | 2015-10-13 | 2015-12-23 | 哈尔滨东安汽车发动机制造有限公司 | Slip frequency control oil path of vehicle hydraulic torque converter |
-
2015
- 2015-10-13 CN CN201520788873.3U patent/CN204985683U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179679A (en) * | 2015-10-13 | 2015-12-23 | 哈尔滨东安汽车发动机制造有限公司 | Slip frequency control oil path of vehicle hydraulic 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: 20160120 Termination date: 20191013 |