Vehicle and parking braking pull handle device thereof

Abstract

The invention discloses a parking braking pull handle device. The parking braking pull handle device comprises a push rod, a toothed plate and a toothed claw with the lower end engaged with the toothed plate; the middle of the toothed claw is hinged to a handle; an unlocking button is arranged at the upper end of the push rod; the toothed plate is hinged to the handle so that the toothed claw can be engaged with or disengaged from the toothed plate along with rotation of the handle; the upper end of the toothed claw is sleeved between two limiting parts of the push rod in a movable mode, and the push rod is provided with a toothed claw elastic part used for pushing the toothed claw to the bottom end of the push rod; the torque of the toothed claw elastic part to push the toothed claw is smaller than the torque of ratchets of the toothed plate to lock the toothed claw so that the toothed claw can keep engaged with the toothed plate when the unlocking button is touched by mistake; and the torque of the toothed claw elastic part to push the toothed claw is greater than the friction torque of a toothed claw rotary shaft so that unlocking can be achieved by pressing the unlocking button after the toothed claw is disengaged from the toothed plate by lifting the handle. The invention further discloses a vehicle comprising the parking braking pull handle device, and the parking safety performance of the vehicle is good.

Description

technical field [0001] The invention relates to the technical field of automobile brake systems, in particular to a parking brake handle device. In addition, the present invention also relates to an automobile comprising the above-mentioned parking brake handle device. Background technique [0002] In the braking system of modern automobiles, in addition to the commonly used braking devices, there is also a parking braking system to ensure the braking performance of the vehicle when it is stopped, so as to ensure the stability of the vehicle after parking. [0003] In the parking brake system, the holding and release of the parking brake are realized through the mechanical structure of the parking brake handle. In general, the handle of the parking brake handle is hinged with claws, and the main body of the handle is provided with a toothed plate. The lifting handle is used to drive the claws to move, so that the claws cooperate with the toothed plates to achieve locking. ...

AI Technical Summary

Problems solved by technology

[0004] However, because the unlocking button of the brake handle is exposed in the cab, it is in a position that is easy to reach, and when the vehicle is in the parking state, the parking handle is pulled up, and the unlocking button is at the top of the handle. , it is easier to press the unlock button and press the handle down due to misuse, resulting in parking unlocking, resulting in a decrease in the safety of the parking function, and easily causing safety accidents

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