CN210478665U - Built-in electronic parking control system of automatic gearbox and gearbox assembly - Google Patents
Built-in electronic parking control system of automatic gearbox and gearbox assembly Download PDFInfo
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- CN210478665U CN210478665U CN201921235698.XU CN201921235698U CN210478665U CN 210478665 U CN210478665 U CN 210478665U CN 201921235698 U CN201921235698 U CN 201921235698U CN 210478665 U CN210478665 U CN 210478665U
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Abstract
The utility model discloses a built-in electronic parking control system of an automatic gearbox and a gearbox assembly, wherein the control system comprises a valve body containing a valve body inner cavity I and a valve body inner cavity II, a parking auxiliary valve core, a spring and an end plug which are matched with the valve body inner cavity I to form at least one sealing section, a parking valve core, a parking switch valve, a parking locking electromagnetic valve comprising a clamping jaw, an oil supply cavity and an oil way, wherein the parking auxiliary valve core, the spring and the end plug are matched with the valve body inner cavity I to form at least one sealing section; the oil supply cavity comprises a switch valve oil supply cavity, a clutch oil cavity and a main oil way oil cavity; the diameter of the valve core of the first sealing surface on the left side of the parking auxiliary valve core is smaller than that of the valve core of the second sealing surface; the problems of low automation degree, large size and safety risk of the conventional parking system are solved.
Description
Technical Field
The utility model relates to an automobile automatic transmission technical field especially relates to an automatic transmission embeds electron parking control system and gearbox assembly.
Background
At present, the gear shifting of most automatic automobile gearboxes adopts mechanical control gear shifting, and a driver needs to operate a gear shifting rod to engage a gear P during parking. This method requires the arrangement of a mechanical shift lever and a fastener, requires a space for arrangement, and requires a high level of driving skill for the driver. With the development of an automatic driving technology, an electronic gear shifting technology is more and more widely applied to an automatic gearbox, but different from the switching of D/N/R gears, the P-gear switching also needs to control an actuating mechanism to lock/unlock a transmission mechanism.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Based on the problem, the utility model provides an automatic built-in electron parking control system of gearbox and gearbox assembly realize automatic parking, reduce the volume, improve and drive degree of automation, improve the security.
(II) technical scheme
Based on the technical problem, the utility model provides an automatic gearbox embeds electron parking control system, including the valve body that contains valve body inner chamber one and valve body inner chamber two, cooperate with valve body inner chamber one to form the parking auxiliary valve core and spring and the end plug of at least one seal section, cooperate with valve body inner chamber two to form the parking valve core, parking ooff valve, the parking locking solenoid valve that contains the jack catch, supply oil chamber and oil circuit of at least one seal section; the first inner cavity of the valve body is provided with three oil inlets, an oil outlet and an oil drainage port; an oil inlet is formed in the inner cavity II of the valve body; the oil supply cavity comprises a switch valve oil supply cavity, a clutch oil cavity and a main oil way oil cavity; the diameter of the valve core of the first sealing surface on the left side of the parking auxiliary valve core is smaller than that of the valve core of the second sealing surface;
the clamping jaw is fixed at one end of the second inner cavity of the valve body, and the parking valve core extends out of the other end of the second inner cavity of the valve body and is connected with a parking actuating mechanism; the switch valve oil supply cavity is sequentially connected with the parking switch valve and an oil inlet III of the first valve body cavity, the oil inlet I and the oil inlet II of the first valve body cavity are respectively connected with the main oil way oil cavity and the clutch oil cavity, and an oil outlet of the first valve body cavity is connected with the oil inlet IV of the second valve body cavity.
Preferably, the parking switch valve is an electromagnetic valve and is connected with a human-computer interaction platform, and the human-computer interaction platform is a button, a knob or a panel.
Further, the parking control system includes two states:
when the parking control system is in a P gear, the parking auxiliary valve core is positioned at the leftmost end of the first valve body inner cavity, and the first oil inlet is not communicated with the oil outlet through the parking auxiliary valve core; the parking valve core is positioned at the rightmost end of the second valve body inner cavity, and the parking executing mechanism is locked with the transmission mechanism of the gearbox;
when the parking control system is in a non-P gear, the parking auxiliary valve core is positioned at the rightmost end of the first valve body inner cavity, and the first oil inlet is communicated with the oil outlet; the parking valve core is located at the leftmost end of the second valve body inner cavity, the clamping jaw locks the parking valve core, and the parking executing mechanism unlocks.
Further, when the parking control system is in a non-P gear, the oil pressure of the switch valve oil supply cavity, the oil pressure of the clutch cavity and the oil pressure of the main oil way all exist, when the parking control system is in a P gear, the oil pressure of the clutch cavity and the oil pressure of the main oil way all do not exist, and the oil pressure of the clutch cavity and the oil pressure of the main oil way are connected with other devices in the automatic gearbox.
Furthermore, the built-in electronic parking control system and the built-in electronic gear shifting mechanism of the automatic gearbox are integrated in the same hydraulic valve body assembly.
Furthermore, the built-in electronic parking control system of the automatic gearbox is integrated in the control unit assembly of the automatic gearbox.
A gearbox assembly comprises the built-in electronic parking control system of the automatic gearbox.
(III) advantageous effects
The above technical scheme of the utility model has following advantage:
(1) the utility model adopts the built-in electronic parking control system to realize the automatic P-gear switching, the D/N/R gear switching can use other existing built-in electronic gear shifting systems, and the mechanical gear shifting rod and the zipper are cancelled, thereby reducing the occupied space, being more convenient to arrange in the vehicle space, improving the driving automation degree and having lower driving requirements on the driver;
(2) the utility model realizes automatic locking or unlocking of the parking actuating mechanism to the transmission mechanism of the gearbox, realizes automatic control, and adopts the jack catch to unlock or lock the parking valve core, thereby improving the safety;
(3) the utility model has the electromagnetic valve failure protection design, avoids the vehicle to be hooked into the P gear under the condition that the vehicle can not be hooked into the P gear, and further improves the safety;
(4) when the P gear is hung, the two electromagnetic valves do not work, power supply to the electromagnetic valves is not needed, oil consumption is reduced, and cost is saved;
(5) the utility model has the advantages of simple and compact integral structure and simple oil circuit design.
Drawings
The features and advantages of the invention will be more clearly understood by reference to the accompanying drawings, which are schematic and should not be understood as imposing any limitation on the invention, in which:
fig. 1 is a schematic diagram of a P-gear structure of a gear-shifting parking control system according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a non-P-gear structure of the shift parking control system according to the embodiment of the present invention;
in the figure: 1: an on-off valve oil supply chamber; 2: a parking switch valve; 3: a valve body; 4: a clutch oil cavity; 5: a parking assist spool; 6: a main oil gallery oil chamber; 7: a spring; 8: an end plug; 9: a parking actuator; 10: a parking valve core; 11: a claw; 12: parking locking electromagnetic valves; 13: an oil inlet I; 14: an oil inlet II; 15: an oil inlet III; 16: an oil inlet IV; 17: an oil outlet; 18: an oil drainage port.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
A built-in electronic parking control system of an automatic gearbox comprises a valve body 3 containing a first valve body inner cavity and a second valve body inner cavity, a parking auxiliary valve core 5, a spring 7 and an end plug 8 which are matched with the first valve body inner cavity of the valve body 3 to form at least one sealing section, a parking valve core 10 which is matched with the second valve body inner cavity of the valve body 3 to form at least one sealing section, a parking switch valve 2, a parking locking electromagnetic valve 12 containing a clamping claw 11, an oil supply cavity and an oil path; an oil inlet I13, an oil inlet II 14, an oil inlet III 15, an oil outlet 17 and an oil drainage port 18 are formed in the first inner cavity of the valve body; an oil inlet fourth 16 is formed in the inner cavity second of the valve body; the oil supply cavity comprises a switch valve oil supply cavity 1, a clutch oil cavity 4 and a main oil way oil cavity 6; the valve core diameter of a first sealing surface on the left side of the parking auxiliary valve core 5 is smaller than that of a second sealing surface; the parking switch valve 2 is an electromagnetic valve and is connected with a human-computer interaction platform, and the human-computer interaction platform is a button, a knob or a panel and the like.
A claw 11 of the parking locking electromagnetic valve 12 is fixed at one end of a second valve body inner cavity, and the parking valve core 10 extends out of the other end of the second valve body inner cavity and is connected with a parking actuating mechanism 9; the switch valve oil supply cavity 1 is sequentially connected with the parking switch valve 2 and the oil inlet III 15, the oil inlet I13 and the oil inlet II 14 are respectively connected with the main oil way oil cavity 6 and the clutch oil cavity 4, and the oil outlet 17 is connected with the oil inlet IV 16.
The parking control system includes two states:
when the parking control system is in a P gear, as shown in fig. 1, the parking auxiliary valve core 5 is positioned at the leftmost end of the first inner cavity of the valve body under the action of the spring 7, and the parking auxiliary valve core 5 enables the first oil inlet 13 to be not communicated with the oil outlet 17; the parking valve core 10 is positioned at the rightmost end of the second inner cavity of the valve body, and the parking executing mechanism 9 is locked with the transmission mechanism of the gearbox;
when the parking control system is in a non-P gear state, as shown in fig. 2, the parking auxiliary valve core 5 is located at the rightmost end of the first valve body inner cavity under the action of oil pressure, and the first oil inlet 13 is communicated with the first oil outlet 17; the parking valve core 10 is located at the leftmost end of the second valve body inner cavity, the clamping jaw 11 locks the parking valve core 10, and the parking executing mechanism 9 is unlocked.
When the parking control system is in a non-P gear, the oil pressure of the switch valve oil supply cavity 1, the oil pressure of the clutch oil cavity 4 and the oil pressure of the main oil way oil cavity 6 are all provided, when the parking control system is in a P gear, the oil pressure of the clutch oil cavity 4 and the oil pressure of the main oil way oil cavity 6 are not provided, and the oil pressure of the clutch oil cavity 4 and the oil pressure of the main oil way oil cavity 6 are connected with other devices in the automatic gearbox.
Built-in electron parking control system according to the fender position of hanging into, realize the gear shifting as follows respectively:
when the parking control system is in a non-P gear, as shown in fig. 2, the parking switch valve 2 is opened, the switch valve oil supply cavity 1 supplies oil through the third oil inlet 15, so that the parking auxiliary valve core 5 moves from the leftmost end to the right, the first oil inlet 13 is communicated with the oil outlet 17, the main oil way oil cavity 6 supplies oil through the first oil inlet 13, the oil outlet 17 and the fourth oil inlet 16, so that the parking valve core 10 pulls the parking actuating mechanism to move to the left and moves into the clamping jaw 11, the parking locking electromagnetic valve 12 works, the clamping jaw 11 is tightened to lock the parking valve core 10, the parking actuating mechanism 9 is unlocked, and the vehicle is in the non-P gear;
when the parking control system is in a P gear, as shown in fig. 1, the parking switch valve 2 is closed, the clutch oil cavity 4 and the main oil way oil cavity 6 are decompressed, the oil supply of the switch valve oil cavity 1, the clutch oil cavity 4 and the main oil way oil cavity 6 is stopped, the parking auxiliary valve core 5 moves to the left, the oil outlet 17 is communicated with the oil drain port 18, the parking locking electromagnetic valve 12 is closed, the claw 11 is opened, the parking valve core 10 moves to the right, hydraulic oil in the first valve body cavity is drained through the oil inlet IV 16, the oil outlet 17 and the oil drain port 18, the parking auxiliary valve core 5 moves to the leftmost end, the parking valve core 10 moves to the rightmost end, the parking executing mechanism 9 locks a transmission mechanism of the gearbox, and the vehicle is in the P gear.
And the utility model discloses when parking control system hung non-P and keep off, can avoid keeping off because of the inefficacy of parking ooff valve or parking locking solenoid valve, the vehicle hung P under the condition that can not hang P and keep off and keeps off:
when the clutch oil cavity 4 supplies oil, because the valve core diameter of the left first sealing surface below the oil inlet II 14 is smaller than the valve core diameter of the second sealing surface, the effective acting areas of the left side surface and the right side surface are different, and the acting forces generated on the left side surface and the right side surface are different, the oil supply of the clutch oil cavity 4 also generates a rightward acting force on the parking auxiliary valve core 5, and when the main oil way oil cavity 6 supplies oil, the effective acting areas of the left side surface and the right side surface below the oil inlet I13 are equal, the oil supply of the main oil way oil cavity 6 can not generate a leftward or rightward acting force on the parking auxiliary valve core 5, and only generates a leftward.
Therefore, the oil supply of the clutch oil cavity 4 also generates a rightward acting force on the parking auxiliary valve core 5, so that when the parking switch valve 2 fails, the parking auxiliary valve core 5 is always kept on the right side, and the parking auxiliary valve core 5 is prevented from moving leftwards when the parking switch valve 2 fails, so that the first oil inlet 13 is not communicated with the oil outlet 17, the oil cavity 6 of the main oil way cannot supply oil to the fourth oil inlet 16, and the parking valve core 10 moves rightwards to be hooked into a P gear; meanwhile, the oil cavity 6 of the main oil path is supplied with oil all the time, so that a leftward acting force is generated on the parking valve core 10, the parking valve core 10 is kept on the left side all the time, and the parking valve core 10 is prevented from moving rightwards to be connected into a P gear when the parking locking electromagnetic valve 12 fails.
The built-in electronic parking control system and the built-in electronic gear shifting mechanism of the automatic gearbox are integrated in the same hydraulic valve body assembly.
The built-in electronic parking control system of the automatic gearbox is integrated in the control unit assembly of the automatic gearbox.
A gearbox assembly comprises the built-in electronic parking control system of the automatic gearbox.
In summary, the built-in electronic parking control system of the automatic transmission and the transmission assembly have the following advantages:
(1) the utility model adopts the built-in electronic parking control system to realize the automatic P-gear switching, the D/N/R gear switching can use other existing built-in electronic gear shifting systems, and the mechanical gear shifting rod and the zipper are cancelled, thereby reducing the occupied space, being more convenient to arrange in the vehicle space, improving the driving automation degree and having lower driving requirements on the driver;
(2) the utility model realizes automatic locking or unlocking of the parking actuating mechanism to the transmission mechanism of the gearbox, realizes automatic control, and adopts the jack catch to unlock or lock the parking valve core, thereby improving the safety;
(3) the utility model has the electromagnetic valve failure protection design, avoids the vehicle to be hooked into the P gear under the condition that the vehicle can not be hooked into the P gear, and further improves the safety;
(4) when the P gear is hung, the two electromagnetic valves do not work, power supply to the electromagnetic valves is not needed, oil consumption is reduced, and cost is saved;
(5) the utility model has the advantages of simple and compact integral structure and simple oil circuit design.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (7)
1. A built-in electronic parking control system of an automatic gearbox is characterized by comprising a valve body, a parking auxiliary valve core, a spring and an end plug, wherein the valve body comprises a first valve body inner cavity and a second valve body inner cavity; the first inner cavity of the valve body is provided with three oil inlets, an oil outlet and an oil drainage port; an oil inlet is formed in the inner cavity II of the valve body; the oil supply cavity comprises a switch valve oil supply cavity, a clutch oil cavity and a main oil way oil cavity; the diameter of the valve core of the first sealing surface on the left side of the parking auxiliary valve core is smaller than that of the valve core of the second sealing surface;
the clamping jaw is fixed at one end of the second inner cavity of the valve body, and the parking valve core extends out of the other end of the second inner cavity of the valve body and is connected with a parking actuating mechanism; the switch valve oil supply cavity is sequentially connected with the parking switch valve and an oil inlet III of the first valve body cavity, the oil inlet I and the oil inlet II of the first valve body cavity are respectively connected with the main oil way oil cavity and the clutch oil cavity, and an oil outlet of the first valve body cavity is connected with the oil inlet IV of the second valve body cavity.
2. The automatic gearbox built-in electronic parking control system according to claim 1, wherein the parking switch valve is an electromagnetic valve and is connected with a human-computer interaction platform, and the human-computer interaction platform is a button, a knob or a panel.
3. The built-in electronic parking control system for the automatic gearbox according to claim 1, characterized in that the parking control system comprises two states:
when the parking control system is in a P gear, the parking auxiliary valve core is positioned at the leftmost end of the first valve body inner cavity, and the first oil inlet is not communicated with the oil outlet through the parking auxiliary valve core; the parking valve core is positioned at the rightmost end of the second valve body inner cavity, and the parking executing mechanism is locked with the transmission mechanism of the gearbox;
when the parking control system is in a non-P gear, the parking auxiliary valve core is positioned at the rightmost end of the first valve body inner cavity, and the first oil inlet is communicated with the oil outlet; the parking valve core is located at the leftmost end of the second valve body inner cavity, the clamping jaw locks the parking valve core, and the parking executing mechanism unlocks.
4. The built-in electronic parking control system of the automatic gearbox according to claim 1, wherein when the parking control system is in a non-P gear, oil pressure exists in the switch valve oil supply cavity, the clutch oil cavity and the main oil way oil cavity, when the parking control system is in a P gear, oil pressure does not exist in the clutch oil cavity and the main oil way oil cavity, and the clutch oil cavity and the main oil way oil cavity are connected with other devices in the automatic gearbox.
5. The built-in electronic parking control system for the automatic transmission according to claim 1, characterized in that: the built-in electronic parking control system and the built-in electronic gear shifting mechanism of the automatic gearbox are integrated in the same hydraulic valve body assembly.
6. The built-in electronic parking control system for the automatic transmission according to claim 1, characterized in that: the built-in electronic parking control system of the automatic gearbox is integrated in the control unit assembly of the automatic gearbox.
7. A transmission assembly comprising an automatic transmission built-in electronic parking control system according to any one of claims 1 to 6.
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| CN201921235698.XU CN210478665U (en) | 2019-08-01 | 2019-08-01 | Built-in electronic parking control system of automatic gearbox and gearbox assembly |
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| CN201921235698.XU CN210478665U (en) | 2019-08-01 | 2019-08-01 | Built-in electronic parking control system of automatic gearbox and gearbox assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110341676A (en) * | 2019-08-01 | 2019-10-18 | 泸州容大智能变速器有限公司 | A kind of automatic gear-box built-in electronic parking control system and its control method |
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2019
- 2019-08-01 CN CN201921235698.XU patent/CN210478665U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110341676A (en) * | 2019-08-01 | 2019-10-18 | 泸州容大智能变速器有限公司 | A kind of automatic gear-box built-in electronic parking control system and its control method |
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