CN215720768U - Hydraulic gear-shifting parking system of automatic transmission - Google Patents
Hydraulic gear-shifting parking system of automatic transmission Download PDFInfo
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- CN215720768U CN215720768U CN202122232468.1U CN202122232468U CN215720768U CN 215720768 U CN215720768 U CN 215720768U CN 202122232468 U CN202122232468 U CN 202122232468U CN 215720768 U CN215720768 U CN 215720768U
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Abstract
The utility model discloses a hydraulic gear-shifting parking system of an automatic transmission, which comprises a gear-shifting mechanism, a parking wheel, a parking pawl, a parking driving rod assembly and a parking support, wherein the parking driving rod assembly is used for controlling the parking pawl to rotate, the parking support is used for being connected with a shell of the transmission, the gear-shifting mechanism and the parking driving rod assembly are arranged on the parking support, the parking pawl is connected onto the parking support in a sliding mode through a spring pin, an elastic element is arranged between the spring pin and the parking pawl, one end of the parking pawl is connected with a pivot, and the other end of the parking pawl is provided with a sliding groove in which the spring pin is embedded. The hydraulic gear shifting parking system of the automatic transmission realizes integration, has high integration level and is convenient to assemble.
Description
Technical Field
The utility model belongs to the technical field of transmissions, and particularly relates to a hydraulic gear shifting parking system of an automatic transmission.
Background
In an automatic transmission, a shift parking system is an indispensable part. At present, a parking system of an automatic gearbox is formed by respectively mounting scattered components on a gearbox shell, is not a whole, and has complicated working procedures and poor system universality when the gearbox is assembled.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a hydraulic gear-shifting parking system of an automatic transmission, aiming at improving the integration level.
In order to achieve the purpose, the utility model adopts the technical scheme that: the hydraulic gear-shifting parking system of the automatic transmission comprises a gear-shifting mechanism, a parking wheel, a parking pawl, a parking driving rod assembly and a parking support, wherein the parking driving rod assembly is used for controlling the parking pawl to rotate, the parking support is used for being connected with a gearbox shell, the gear-shifting mechanism and the parking driving rod assembly are arranged on the parking support, the parking pawl is connected onto the parking support in a sliding mode through a spring pin, an elastic element is arranged between the spring pin and the parking pawl, one end of the parking pawl is connected with a pivot, and a sliding groove for embedding the spring pin is formed in the other end of the parking pawl.
The parking support is of an L-shaped structure, a cylinder body mounting bolt hole, a parking assembly mounting bolt hole, a driving rod supporting round hole, a parking pawl mounting groove and a spring pin mounting hole are formed in the parking support, and the end portion of a parking pawl is embedded into the parking pawl mounting groove.
The parking support is including first mounting panel and the second mounting panel that is connected, cylinder body mounting bolt hole and parking assembly mounting bolt hole set up on first mounting panel, actuating lever support round hole, parking pawl mounting groove and spring catch mounting hole set up on the second mounting panel, the spring catch is connected with the second mounting panel.
The gear shifting mechanism comprises a cylinder body, a parking piston, a piston return spring, a parking end cover, a locking sliding block spring, a base and a connecting plate, wherein the parking piston is connected with the connecting plate, the connecting plate is connected with the parking driving rod assembly, and the locking sliding block spring and the base are installed at the bottom of the locking sliding block.
The piston rod through hole section at the tail part of the cylinder body is provided with a locking slide block mounting hole perpendicular to the axial direction of the piston cylinder, the bottom of the cylinder body is provided with a return spring mounting groove, an oil discharge hole is radially arranged, and the piston return spring is arranged in the return spring mounting groove; an electromagnetic valve mounting hole is formed above the cylinder body, and the hydraulic oil duct extends backwards in the parallel direction of the hydraulic oil duct; the tail of the cylinder body is provided with a position sensor mounting surface and a connecting plate positioning groove.
The parking piston penetrates through the cylinder body and then is locked with the connecting plate through a nut, and the position sensor magnet is fixed on the connecting plate and at the matching position of a connecting plate positioning groove on the cylinder body.
The locking slide block is provided with a piston rod through hole, and locking inclined planes are arranged on two sides of the piston rod through hole; and a piston rod of the parking piston is provided with a locking groove.
The hydraulic gear-shifting parking system of the automatic transmission further comprises an electromagnet and an electromagnetic valve, wherein the electromagnet is fixed right above the locking sliding block through a bolt; the electromagnetic valve is buckled and pressed in an electromagnetic valve mounting hole arranged on the cylinder body.
The hydraulic gear-shifting parking system of the automatic transmission further comprises a parking end cover, and the parking end cover is fixed at the end part of the cylinder body through a clamping spring.
The hydraulic gear shifting parking system of the automatic transmission realizes integration, has high integration level and is convenient to assemble.
Drawings
The description includes the following figures, the contents shown are respectively:
FIG. 1 is a schematic structural diagram of an automatic transmission hydraulic shift park system of the present invention 1;
FIG. 2 is a schematic structural diagram of the automatic transmission hydraulic shift park system of the present invention 2;
FIG. 3 is a schematic structural diagram of the automatic transmission hydraulic shift park system of the present invention 3;
FIG. 4 is a schematic structural diagram of the automatic transmission hydraulic shift park system of the present invention 4;
labeled as: 1. parking the vehicle wheel; 2. a parking pawl; 3. a pivot; 4. a parking support; 5. an elastic element; 6. a parking drive rod assembly; 7. a connecting plate; 8. a nut; 9. a parking piston; 10. a cylinder body; 11. an electromagnet; 12. a position sensor; 13. an electromagnetic valve; 14. the electromagnetic valve is buckled; 15. a locking slide block; 16. a locking slider spring; 17. a spring mount; 18. a piston return spring; 19. a parking end cover; 20. and a spring pin.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a purpose of helping those skilled in the art to more fully, accurately and deeply understand the concept and technical solution of the present invention and to facilitate its implementation.
As shown in fig. 1 to 4, the utility model provides a hydraulic gear-shifting parking system for an automatic transmission, which comprises a parking executing mechanism, a gear shifting mechanism, an electromagnet 11, an electromagnetic valve 13 and an electromagnetic valve buckle 14, wherein the electromagnet 11, the electromagnetic valve 13 and the electromagnetic valve buckle are matched with the gear shifting mechanism. The parking actuating mechanism comprises a parking support 4, a parking pawl 2, an elastic element 5, a spring pin 20, a pivot shaft 3, a parking wheel 1 and a parking driving rod assembly 6 for controlling the parking pawl to rotate. The gear shifting mechanism comprises a cylinder body 10, a parking piston 9, a piston return spring 18, a parking end cover 19 provided with a sealing ring, a position sensor 12, a movable locking slide block 15, a locking slide block spring 16 acting on the bottom of the locking slide block, a base 17 of the locking slide block spring and a connecting plate 7 connected with the parking piston and a parking driving rod assembly, wherein the locking slide block 15 is vertically penetrated by the parking piston. Parking support 4 is used for being connected with the gearbox casing, and gearshift and parking actuating lever assembly set up on the parking support, and parking pawl 2 passes through spring catch 20 sliding connection on parking support 4, sets up elastic element 5 between spring catch 20 and the parking pawl 2, and the one end and the pivot 3 of parking pawl 2 are connected, and the other end of parking pawl 2 sets up the spout that lets spring catch 20 embedding.
Specifically, as shown in fig. 1 to 4, the parking bracket 4 has an L-shaped structure, and the parking bracket 4 is provided with a cylinder mounting bolt hole, a parking assembly mounting bolt hole, a driving rod supporting circular hole, a parking pawl mounting groove, and a spring pin mounting hole, and an end of the parking pawl 2 is inserted into the parking pawl mounting groove. Parking support 4 is perpendicular mutually including first mounting panel and the second mounting panel that is connected, first mounting panel and second mounting panel, and the length of first mounting panel is greater than the length of second mounting panel, and the one end on the length direction of first mounting panel is perpendicular connection with the first end on the length direction of second mounting panel, and cylinder body 10 fixed mounting is on first mounting panel. Cylinder body mounting bolt hole and parking assembly mounting bolt hole set up on first mounting panel, and actuating lever support round hole, parking pawl mounting groove and spring catch mounting hole set up on the second mounting panel, spring catch and second mounting panel fixed connection. The parking pawl mounting groove is a groove formed by recessing the top surface of the second mounting plate downward toward the inside of the second mounting plate, and the end of the parking pawl 2 is inserted into the parking pawl mounting groove.
As shown in fig. 1 to 4, an axis of the pivot shaft 3 is parallel to an axis of the spring pin 20, the pivot shaft 3 is used for connecting with a transmission case, the sliding groove is an arc-shaped groove formed on a side surface of the parking pawl, a spring mounting hole for accommodating the elastic element 5 is formed in the parking pawl 2, the elastic element 5 is installed in the spring mounting hole of the parking pawl 2, the elastic element 5 is a cylindrical coil spring and is a compression spring, the elastic element 5 is clamped between the spring pin 20 and an inner bottom surface of the spring mounting hole, the spring pin 20 penetrates through the sliding groove and then is inserted into the spring mounting hole, and the elastic element 5 provides a return force for the parking pawl 2. The parking driving rod assembly 6 slides back and forth between a supporting hole formed in the parking support and a supporting angle of the parking pawl, and supports different heights are provided for the parking pawl 2.
When parking, the parking pawl 2 is supported at the large-diameter position of the parking driving rod assembly 6, and the pawl teeth of the parking pawl 2 are clamped into the tooth grooves of the parking wheel 1, so that parking is realized. When parking is released, the parking driving rod assembly 6 retreats, the parking pawl 2 rotates around the pivot shaft 3 under the action of the elastic element 5, the supporting angle of the parking pawl 2 is tightly attached to the small-diameter position of the parking driving rod assembly 6, and the parking pawl 2 retreats from the tooth groove of the parking wheel 1 to release parking.
The parking driving rod assembly 6 moves forwards and backwards under the action of the gear shifting mechanism. The main body of the gear shifting mechanism, namely the through hole section of a piston rod at the tail part of a cylinder body 10, is provided with a locking slide block mounting hole perpendicular to the axial direction of a piston cylinder, the bottom of the cylinder barrel is provided with a return spring mounting groove and an oil discharge hole in the radial direction, the upper part of the cylinder barrel is horizontally provided with an electromagnetic valve mounting hole perpendicular to the axial direction of the piston cylinder, a hydraulic oil duct extends backwards in the parallel direction, and the tail part of the hydraulic oil duct is provided with a position sensor mounting surface and a connecting plate positioning groove. The locking slider 15 slides up and down in a locking slider mounting hole arranged in the cylinder body 10, the base 17 is mounted at the bottom of the locking slider 15, a locking slider spring 16 is arranged between the base 1 and the locking slider 15, and the locking slider spring 16 is used for providing a return force for the locking slider 15. The piston return spring 18 is installed in a return spring installation groove provided in the cylinder 10, and the parking piston 9 passes through the cylinder 10, the piston return spring 18 and the locking slider 15. Two sides of the locking slide block 15 are provided with locking inclined planes, and a piston rod of the parking piston 9 is provided with a locking groove. The parking piston 9 reciprocates in the cylinder 10, the parking return spring 18 provides a return force for the parking piston 9, and the locking slide 15 provides piston position locking. The parking end cover 19 is fixed at the end part of the cylinder body 10 by a clamp spring to form a closed hydraulic cylinder. The connecting plate 7 is locked at the tail end of the parking piston 9 through a nut 8, and a magnet of the position sensor 12 is fixed on the connecting plate 7 and matched with a positioning groove of the connecting plate. The parking driving rod assembly 6 is rotatably connected to the connecting plate 7. The electromagnet 11 is fixed above the locking slide block mounting hole of the cylinder body 10, and the electromagnetic valve 13 is tightly pressed in the cylinder body electromagnetic valve mounting hole by an electromagnetic valve buckle 14. To this end, the parking actuator and the gear shift mechanism together constitute a parking assembly.
When parking, the electromagnet 11 is electrified to push the locking slide block 15 to be separated from the piston rod locking groove, the piston pushes the parking driving rod assembly 6 to move forwards under the action of the return spring 18, the parking position is entered, when the position sensor senses the parking position, the electromagnet 11 is powered off, and parking is finished. When the parking is released, the electromagnetic valve 13 is electrified to charge oil into the cylinder body, hydraulic oil entering the cylinder body pushes the parking piston 9 and the parking driving rod assembly 6 to retreat, the locking slider 15 is clamped into the locking groove under the action of the locking slider spring 16, the position sensor senses the non-parking position, the electromagnetic valve 13 is powered off, the parking driving rod assembly 6 is kept at the non-parking position, and the parking releasing is completed.
When the gearbox assembly is assembled, the parking support 4 is fixed on a gearbox shell through two bolts, the parking pawl 2 is rotatably connected on the gearbox shell through the pivot 3, and the system can finish the assembly of the parking system.
The utility model is described above with reference to the accompanying drawings. It is to be understood that the specific implementations of the utility model are not limited in this respect. Various insubstantial improvements are made by adopting the method conception and the technical scheme of the utility model; the present invention is not limited to the above embodiments, and can be modified in various ways.
Claims (9)
1. Automatic derailleur hydraulic pressure parking system of shifting, including gearshift, parking wheel, parking pawl and be used for controlling the parking pawl and carry out rotatory parking actuating lever assembly, its characterized in that: the parking pawl is connected to the parking support through a spring pin in a sliding mode, an elastic element is arranged between the spring pin and the parking pawl, one end of the parking pawl is connected with the pivot, and a sliding groove for the spring pin to be embedded into is formed in the other end of the parking pawl.
2. The automatic transmission hydraulic shift park system of claim 1, wherein: the parking support is of an L-shaped structure, a cylinder body mounting bolt hole, a parking assembly mounting bolt hole, a driving rod supporting round hole, a parking pawl mounting groove and a spring pin mounting hole are formed in the parking support, and the end portion of a parking pawl is embedded into the parking pawl mounting groove.
3. The automatic transmission hydraulic shift park system of claim 2, wherein: the parking support is including first mounting panel and the second mounting panel that is connected, cylinder body mounting bolt hole and parking assembly mounting bolt hole set up on first mounting panel, actuating lever support round hole, parking pawl mounting groove and spring catch mounting hole set up on the second mounting panel, the spring catch is connected with the second mounting panel.
4. The automatic transmission hydraulic shift parking system according to any one of claims 1 to 3, characterized in that: the gear shifting mechanism comprises a cylinder body, a parking piston, a piston return spring, a parking end cover, a locking sliding block spring, a base and a connecting plate, wherein the parking piston is connected with the connecting plate, the connecting plate is connected with the parking driving rod assembly, and the locking sliding block spring and the base are installed at the bottom of the locking sliding block.
5. The automatic transmission hydraulic shift park system of claim 4, wherein: the piston rod through hole section at the tail part of the cylinder body is provided with a locking slide block mounting hole perpendicular to the axial direction of the piston cylinder, the bottom of the cylinder body is provided with a return spring mounting groove, an oil discharge hole is radially arranged, and the piston return spring is arranged in the return spring mounting groove; an electromagnetic valve mounting hole is formed above the cylinder body, and the hydraulic oil duct extends backwards in the parallel direction of the hydraulic oil duct; the tail of the cylinder body is provided with a position sensor mounting surface and a connecting plate positioning groove.
6. The automatic transmission hydraulic shift park system of claim 4, wherein: the parking piston penetrates through the cylinder body and then is locked with the connecting plate through a nut, and the position sensor magnet is fixed on the connecting plate and at the matching position of a connecting plate positioning groove on the cylinder body.
7. The automatic transmission hydraulic shift park system of claim 4, wherein: the locking slide block is provided with a piston rod through hole, and locking inclined planes are arranged on two sides of the piston rod through hole; and a piston rod of the parking piston is provided with a locking groove.
8. The automatic transmission hydraulic shift park system of claim 5, wherein: the locking device also comprises an electromagnet and an electromagnetic valve, wherein the electromagnet is fixed right above the locking sliding block through a bolt; the electromagnetic valve is buckled and pressed in an electromagnetic valve mounting hole arranged on the cylinder body.
9. The automatic transmission hydraulic shift park system of claim 4, wherein: the parking end cover is fixed to the end portion of the cylinder body through a clamping spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122232468.1U CN215720768U (en) | 2021-09-15 | 2021-09-15 | Hydraulic gear-shifting parking system of automatic transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122232468.1U CN215720768U (en) | 2021-09-15 | 2021-09-15 | Hydraulic gear-shifting parking system of automatic transmission |
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| Publication Number | Publication Date |
|---|---|
| CN215720768U true CN215720768U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122232468.1U Active CN215720768U (en) | 2021-09-15 | 2021-09-15 | Hydraulic gear-shifting parking system of automatic transmission |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776802A (en) * | 2022-04-20 | 2022-07-22 | 哈尔滨东安汽车发动机制造有限公司 | Control method for automatically controlling and releasing parking of automatic transmission |
-
2021
- 2021-09-15 CN CN202122232468.1U patent/CN215720768U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776802A (en) * | 2022-04-20 | 2022-07-22 | 哈尔滨东安汽车发动机制造有限公司 | Control method for automatically controlling and releasing parking of automatic transmission |
| CN114776802B (en) * | 2022-04-20 | 2024-05-14 | 哈尔滨东安汽车发动机制造有限公司 | Control method for automatically controlling release of parking of automatic transmission |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220929 Address after: Room 32, 5th Floor, Comprehensive Service Building, Management Committee of Fanchang Economic Development Zone, Fanchang District, Wuhu City, Anhui Province, 241000 Patentee after: Anhui Fuzhen Automobile Power System Co.,Ltd. Address before: 215000 16F, building a, vitality Business Plaza, No. 185 jumao street, Yuanhe street, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: Jifu Automotive Technology (Suzhou) Co.,Ltd. |
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| TR01 | Transfer of patent right |