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An electric parking mechanism for automatic transmission

A technology of automatic transmission and parking mechanism, which is applied in the direction of mechanical equipment, components with teeth, transmission device control, etc. It can solve the problems of low shift quality, complicated processing technology, and large space occupation, and achieve the reduction of installation The effect of simple space, simple processing technology and simple structure

Active Publication Date: 2016-05-25
ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a compact electric parking mechanism for an automatic transmission, which adopts electromagnetic control to make the control fast and accurate, and solves the problem that the parking mechanism with a mechanical structure occupies a large space and causes low shift quality and complex processing

Method used

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  • An electric parking mechanism for automatic transmission
  • An electric parking mechanism for automatic transmission
  • An electric parking mechanism for automatic transmission

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Embodiment Construction

[0030] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, specific embodiments will be described in detail below with reference to the accompanying drawings.

[0031] Figure 1-5 As shown, the embodiment of the present invention provides an electric parking mechanism for an automatic transmission, including a parking ratchet 1 and a parking pawl 2 that can engage with each other, and the parking ratchet 1 can be arranged inside the automatic transmission. on the output shaft. The first end of the parking pawl 2 is hinged on the automatic transmission case, and the second end of the parking pawl 2 is connected with the solenoid valve 3 fixedly arranged on the automatic transmission case.

[0032] Under the condition that the electromagnetic valve 3 is energized, the second end of the parking pawl 2 is separated from the parking ratchet 1; The second end is engaged with the parking ratchet 1 . During above-...

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Abstract

The invention discloses a power-driven parking mechanism for an automatic transmission and relates to the field of automobile transmissions. The power-driven parking mechanism comprises a parking ratchet wheel and a parking pawl. The parking ratchet wheel can be meshed with the parking pawl. A first end of the parking pawl is hinged to a shell of the automatic transmission. A second end of the parking pawl is connected with an electromagnetic valve fixed on the automatic transmission. When the electromagnetic valve is powered, the second end of the parking pawl is disconnected with the parking ratchet wheel. When the electromagnetic valve is not powered, the second end of the parking pawl is meshed with the parking ratchet wheel. The power-driven parking mechanism is simple in structure, uses fast and accurate electromagnetic control, and solves the problems that mechanical parking mechanisms are large in space occupation, low in gear shifting quality and complex in machining process.

Description

technical field [0001] The invention relates to the field of automobile transmissions, in particular to an electric parking mechanism for automatic transmissions. Background technique [0002] Today, with the rapid development of the automobile industry, the transmission, as one of the key assemblies of the automobile, plays an important role in the power transmission of the automobile and directly affects the power and economy of the entire vehicle. Automobile transmissions are divided into manual and automatic transmissions according to the shifting methods. Automatic transmission has been a trend in the development of transmission due to its ease of use, and is more and more popular among people. The parking mechanism is a safety device to prevent the vehicle from sliding in the automatic transmission, so that the car can be parked at a certain position or even on a slope reliably and without time limit. [0003] At present, the parking mechanism of the automobile trans...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H63/34
Inventor 袁军伟沈吉黄波陈华罗大国陈勇赵福全
Owner ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD
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