Parking mechanism and transmission

A parking mechanism and transmission housing technology, applied in the field of vehicle engineering, can solve the problem of occupying the space of the engine compartment

Pending Publication Date: 2018-05-04
SHENGRUI TRANSMISSION
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a parking mechanism and a transmission to allevi

Method used

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  • Parking mechanism and transmission
  • Parking mechanism and transmission

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Embodiment Construction

[0030] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0031] In the description of the present invention, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" appear ", etc., the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specif...

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Abstract

The invention provides a parking mechanism and a transmission, and relates to the technical field of vehicle engineering. The parking mechanism comprises a hydraulic driving mechanism, a brake pawl and a pawl pin. The hydraulic driving mechanism comprises a piston cavity, and a piston rod positioned in the piston cavity; a first piston and a second piston are arranged at the two ends of the pistonrod; the outer end surface of the first piston and the opposite end inner wall of the piston cavity form a first pressure chamber; the outer end surface of the second piston, and the opposite end inner wall of the piston cavity form a second pressure chamber; a torsion spring sleeves the pawl pin; a parking push block sleeves the piston rod; the parking push block and the tail end of the brake pawl are correspondingly provided with guide inclined surfaces; a hook part is arranged at the head part of the brake pawl; and the hook part is used for entering a groove of a parking ratchet to stop rotation of a brake wheel when the brake pawl is rotated to the direction of the parking ratchet.

Description

technical field [0001] The invention relates to the technical field of vehicle engineering, in particular to a parking mechanism and a transmission. Background technique [0002] At present, the parking control mechanism of the knob-shifted automatic transmission car usually outputs an electric signal through the knob in the cab, and transmits it to the motor drive mechanism, and the gear shifting shaft is driven by the motor to realize gear shifting. [0003] The motor drive mechanism is installed outside the transmission, causing the transmission to take up too much space in the engine compartment. Contents of the invention [0004] The object of the present invention is to provide a parking mechanism and a transmission to alleviate the technical problem that the existing transmission occupies too much space in the engine compartment. [0005] The parking mechanism provided by the present invention includes: a hydraulic drive mechanism, a brake pawl and a pawl pin, the ...

Claims

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Application Information

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IPC IPC(8): F16H63/34
CPCF16H63/3425F16H63/3433F16H63/3483F16H63/3491
Inventor 姜建辉张广瀚乔金平
Owner SHENGRUI TRANSMISSION
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