CN209990891U - Connecting mechanism for pull rod and execution piston of automatic parking mechanism - Google Patents
Connecting mechanism for pull rod and execution piston of automatic parking mechanism Download PDFInfo
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- CN209990891U CN209990891U CN201920581874.9U CN201920581874U CN209990891U CN 209990891 U CN209990891 U CN 209990891U CN 201920581874 U CN201920581874 U CN 201920581874U CN 209990891 U CN209990891 U CN 209990891U
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Abstract
The utility model discloses a connecting mechanism of a pull rod and an actuating piston of an automatic parking mechanism, belonging to the technical field of automobile automatic transmissions in the automobile manufacturing industry, comprising a pull rod assembly, a position sensor, a connecting sleeve, a pressure spring, a piston rod and a limit pin; the piston rod is provided with a pull rod fixing hole, and the pull rod assembly is L-shaped; the pull rod assembly is connected with the piston rod through a connecting sleeve; the piston rod is also provided with a limiting pin hole, the connecting sleeve is provided with a limiting groove, and the limiting pin penetrates through the limiting pin hole and is matched with the limiting groove on the connecting sleeve; the piston rod is provided with a piston, a pressure spring is arranged between the connecting sleeve and the piston, and the connecting sleeve is further provided with a position sensor. The connecting mechanism reduces the movement space of the connecting piece of the pull rod and the piston, shortens the axial size of the connection of the pull rod and the piston, and has the characteristics of more compact whole mechanism, convenient arrangement, light operation, reliable work and the like.
Description
Technical Field
The utility model belongs to the technical field of automobile automatic gearbox of automobile manufacturing, concretely relates to automatic parking mechanism pull rod and actuating piston's coupling mechanism.
Background
With the development of the automobile market, automatic transmissions are widely used, and the safety of the automatic transmissions is an important factor to be considered. The parking mechanism is used for locking the transmission system when the vehicle stops so as to ensure the parking safety, is a necessary important device of the automatic transmission, and the performance of the parking mechanism is directly related to the safety of a vehicle owner. The parking mechanism that most adopt in the market now is manual parking mechanism, and manual parking mechanism is transmitted the handle motion to the parking pawl by the complicated drive mechanism among the manual mechanism usually, and mechanical loss appears in the parking power in the transmission process, and the driver need use great strength pulling handle to accomplish the parking action. In addition, the road conditions such as uphill, downhill and level road of the vehicle can influence the parking force on the gear shifting handle, thereby influencing the gear shifting comfort degree of the gear shifting handle. The manual parking mechanism is not flexible enough due to the arrangement limitation because the structure and arrangement of various parts and mechanisms in the manual parking mechanism can affect the overall arrangement of a handle, a transmission and a vehicle. The automatic parking mechanism makes up the defects of the manual scheme and has the characteristics of convenient arrangement, light operation, reliable work and the like.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect that exists among the prior art, the utility model provides an automatic parking mechanism pull rod and actuating piston's coupling mechanism has and arranges characteristics such as convenient, the light in operation, reliable operation.
The utility model discloses a following technical scheme realizes:
as shown in fig. 1, a connecting mechanism for a pull rod and an actuating piston of an automatic parking mechanism comprises a pull rod assembly 1, a position sensor 3, a connecting sleeve 4, a pressure spring 5, a piston 6, a piston rod 7 and a limit pin 8; a pull rod fixing hole 9 is formed in the piston rod 7, the pull rod assembly 1 is L-shaped, an L-shaped long rod of the pull rod assembly 1 is inserted into the piston rod 7, and an L-shaped short rod of the pull rod assembly 1 penetrates through the pull rod fixing hole 9; the pull rod assembly 1 is connected with the piston rod 7 through a connecting sleeve 4; the piston rod 7 is also provided with a limit pin hole 10, the connecting sleeve 4 is provided with a limit groove, and the limit pin 8 penetrates through the limit pin hole 10 and is matched with the limit groove on the connecting sleeve 4, so that the axial limit of the connecting sleeve 4 is realized; the parking gear shifting device is characterized in that a piston 6 is arranged on the piston rod 7, a pressure spring 5 is arranged between the connecting sleeve 4 and the piston 6, and a position sensor 3 is further arranged on the connecting sleeve 4 and used for providing parking gear shifting position signals for the TCU.
Further, the position sensor 3 is fixed on the connecting sleeve 4 through the fixing bolt 2.
Compared with the prior art, the utility model has the advantages as follows:
the utility model discloses an automatic parking mechanism pull rod has reduced the motion space of the connecting piece of pull rod and piston with the coupling mechanism who carries out the piston to shorten pull rod and piston connection's axial dimensions, made whole mechanism compacter, it is convenient to have to arrange, and the operation is light, characteristics such as reliable operation.
Drawings
Fig. 1 is a schematic structural view of a connecting mechanism of a pull rod and an actuating piston of the automatic parking mechanism of the present invention;
FIG. 2 is an exploded view of the connecting mechanism of the pull rod and the actuating piston of the automatic parking mechanism of the present invention;
in the figure: the device comprises a pull rod assembly 1, a fixing bolt 2, a position sensor 3, a connecting sleeve 4, a pressure spring 5, a piston 6, a piston rod 7, a limiting pin 8, a pull rod fixing hole 9 and a limiting pin hole 10.
The present invention will be further described with reference to the accompanying drawings.
Example 1
As shown in fig. 1, a connecting mechanism for a pull rod and an actuating piston of an automatic parking mechanism comprises a pull rod assembly 1, a position sensor 3, a connecting sleeve 4, a pressure spring 5, a piston 6, a piston rod 7 and a limit pin 8; a pull rod fixing hole 9 is formed in the piston rod 7, the pull rod assembly 1 is L-shaped, an L-shaped long rod of the pull rod assembly 1 is inserted into the piston rod 7, and an L-shaped short rod of the pull rod assembly 1 penetrates through the pull rod fixing hole 9; the pull rod assembly 1 is connected with the piston rod 7 through a connecting sleeve 4; the piston rod 7 is also provided with a limit pin hole 10, the connecting sleeve 4 is provided with a limit groove, and the limit pin 8 penetrates through the limit pin hole 10 and is matched with the limit groove on the connecting sleeve 4, so that the axial limit of the connecting sleeve 4 is realized; a piston 6 is arranged on the piston rod 7, a pressure spring 5 is arranged between the connecting sleeve 4 and the piston 6, and a position sensor 3 is also arranged on the connecting sleeve 4 and used for providing a parking gear shifting position signal for the TCU; the position sensor 3 is fixed on the connecting sleeve 4 through the fixing bolt 2.
The utility model discloses an automatic parking mechanism pull rod and actuating piston's coupling mechanism's working process as follows:
during work, the parking hanging force drives the piston 6 through hydraulic oil, then the force is transmitted to the connecting sleeve 4 through the compression spring 5, and finally the connecting sleeve 4 transmits the power to the pull rod assembly 1, so that the parking gear is jointed. The park release function transmits power to the drawbar assembly 1 through the piston rod 7 and pulls it out of the park engagement position.
Claims (2)
1. A connecting mechanism for a pull rod and an execution piston of an automatic parking mechanism is characterized by comprising a pull rod assembly (1), a position sensor (3), a connecting sleeve (4), a pressure spring (5), a piston (6), a piston rod (7) and a limiting pin (8); a pull rod fixing hole (9) is formed in the piston rod (7), the pull rod assembly (1) is L-shaped, an L-shaped long rod of the pull rod assembly (1) is inserted into the piston rod (7), and an L-shaped short rod of the pull rod assembly (1) penetrates through the pull rod fixing hole (9); the pull rod assembly (1) is connected with the piston rod (7) through a connecting sleeve (4); the piston rod (7) is also provided with a limiting pin hole (10), the connecting sleeve (4) is provided with a limiting groove, and the limiting pin (8) penetrates through the limiting pin hole (10) and is matched with the limiting groove on the connecting sleeve (4) to realize axial limiting of the connecting sleeve (4); the parking gear shifting device is characterized in that a piston (6) is arranged on the piston rod (7), a pressure spring (5) is arranged between the connecting sleeve (4) and the piston (6), and a position sensor (3) is further arranged on the connecting sleeve (4) and used for providing a parking gear shifting position signal for the TCU.
2. The connecting mechanism of the automatic parking mechanism pull rod and the actuating piston as claimed in claim 1, characterized in that the position sensor (3) is fixed on the connecting sleeve (4) by a fixing bolt (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920581874.9U CN209990891U (en) | 2019-04-26 | 2019-04-26 | Connecting mechanism for pull rod and execution piston of automatic parking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920581874.9U CN209990891U (en) | 2019-04-26 | 2019-04-26 | Connecting mechanism for pull rod and execution piston of automatic parking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209990891U true CN209990891U (en) | 2020-01-24 |
Family
ID=69292614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920581874.9U Active CN209990891U (en) | 2019-04-26 | 2019-04-26 | Connecting mechanism for pull rod and execution piston of automatic parking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209990891U (en) |
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2019
- 2019-04-26 CN CN201920581874.9U patent/CN209990891U/en active Active
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