Actuating mechanism for parking brake system and vehicle parking brake system
A technology of actuating mechanism and braking system, applied in mechanical equipment, transmission control, components with teeth, etc., can solve problems such as failure of actuating mechanism
Pending Publication Date: 2022-01-25
SCHAEFFLER TECH AG & CO KG
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Problems solved by technology
[0003] However, in the above-described actuating mechanism for the parking brake system of a vehicle, there is a risk that even if the electromagnet 50 does not exert a force on the lock plate 30 to disengage the lock plate 30 from the engaged recess 20c, due to, for example, Due to vehicle vibration or the like, the lock plate 30 may undesirably come out from the recess 20c of the shaft 20, thereby causing malfunction of the actuating mechanism for the parking brake system of the vehicle.
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[0034] Exemplary embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood that these specific descriptions are only used to teach those skilled in the art how to implement the present invention, but are not intended to exhaust all possible ways of the present invention, nor are they intended to limit the scope of the present invention.
[0035] A specific embodiment of the actuator mechanism for a parking brake system according to the present invention will be described below with reference to the drawings. In the drawings, unless otherwise stated, the axial, radial and circumferential directions are respectively the axial, radial and circumferential directions of the shaft of the actuator mechanism for the parking brake system according to the present invention; Refers to image 3 The left side of the axis, the other side of the axis refers to image 3 on the right side of the .
[0036] like Figure 2a ...
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The invention provides an actuating mechanism for a parking brake system and the vehicle parking brake system. In the actuating mechanism, an anti-disengaging assembly is arranged corresponding to a locking assembly, and the anti-disengaging assembly can be in two states of allowing the locking assembly to be disengaged from the joint part of a shaft and preventing the locking assembly from being disengaged from the joint part of the shaft. Therefore, the actuating mechanism for the parking brake system not only can realize the same working state as the actuating mechanism for the parking brake system in the prior art, and but also can eliminate the risk that the locking assembly of the actuating mechanism is undesirably disengaged from the joint part (concave part) of the shaft due to such reasons as vehicle vibration.
Description
technical field [0001] The invention relates to the braking field of vehicles, and more particularly relates to an actuating mechanism for a vehicle parking braking system and a vehicle parking braking system comprising the actuating mechanism. Background technique [0002] like Figure 1a and Figure 1b As shown, a possible actuation mechanism for a parking brake system of a vehicle includes a housing 10 , a shaft 20 disposed on the housing 10 and a locking assembly. Driven by the power source, the shaft 20 can reciprocate along its axial direction relative to the casing 10, thereby driving the pawl to engage and disengage with the parking gear of the transmission to realize and release the parking brake function. The locking assembly can lock the shaft 20 in different states. The locking assembly includes a pin shaft 40 fixed to the housing 10, a locking plate 30 disposed on the pin shaft 40 and capable of rotating within a predetermined range around the pin shaft 40, Co...
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IPC IPC(8): F16H63/34
CPCF16H63/3416F16H63/3475
Inventor 甘伟彪吉裕兰
Owner SCHAEFFLER TECH AG & CO KG