Gear shifter and vehicle

A shifting device and housing technology, which is applied in the direction of transmission control, toothed components, belts/chains/gears, etc., can solve the problems of poor NVH performance, large space occupation, and long development cycle, etc., to achieve shifting Good smoothness, cost saving, and the effect of reducing the impact of shifting

Active Publication Date: 2020-10-02
GREAT WALL MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In related technologies, commonly used shift devices mainly include electronically controlled electro-hydraulic type, electropneumatic type and electronically controlled electric type. These three types of shift devices all require electronic control parts, complex structures, need to be calibrated, and have a long development cycle. Large footprint, poor NVH performance, and room for improvement

Method used

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  • Gear shifter and vehicle
  • Gear shifter and vehicle
  • Gear shifter and vehicle

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Embodiment Construction

[0032] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0033] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0034] Such as Figure 1-Figure 3 As shown, the shifting device 100 includes a housing 1 , a piston 2 , an adjustment assembly 3 , an engaging unit 4 and a shaft coupling unit 5 .

[0035] Wherein, the casing 1 has a cavity 12 and an oil passage 11 , the cavity 12 is used for filling pressure medium, such as hydraulic oil, the oil passage 11 communicates with the cavity 12 , and the oil passage 11 can extend radially of the casing 1 .

[0036] The piston 2 is movably arranged in the cavity 12, at least part of the adjustment assembly 3 is movably arranged in the oil passage 11 in the radial direction, the pressure medium is sealed between the adjustment assembly 3 and the piston 2, and ...

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PUM

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Abstract

The invention discloses a gear shifting device and a vehicle. The gear shifting device comprises a shell, a piston, an adjusting assembly, a joint unit and a shaft coupling unit; the shell is providedwith a cavity used for filling of a pressure medium and an oil way communicating with the cavity, the piston is movably arranged in the cavity, at least part of the adjusting assembly is movably arranged in the oil way in the radial direction, the joint unit is connected with the piston unit, the first part and the second part of the joint unit are selectively jointed, and the first part is in power coupling connection with the shell; the shaft coupling unit is in power coupling connection with the second part. According to the gear shifting device, through centrifugal force, automatic gear shifting is achieved, gear shifting smoothness is good, gear shifting impact generated due to torque fluctuation is reduced, the gear shifting device is simple and compact in structure and higher in rigidity, and inherent frequency and NVH characteristics of an electric drive system are improved.

Description

technical field [0001] The invention belongs to the technical field of vehicle gear shifting, and in particular relates to a gear shifting device and a vehicle with the gear shifting device. Background technique [0002] With the increasingly severe environmental and energy issues, hybrid vehicles have become a trend. At present, the electric drive modules of hybrid electric vehicles are all in the form of motor accelerators and decelerators. Because the dynamic characteristics of the motor are different from those of the engine, there is a counter electromotive force when the motor reverses at high speed. If it is not handled properly, it will cause damage to the controller. The reducer matched with the motor is mostly a one-speed or two-speed transmission. When the counter electromotive force is too large, the power can be interrupted. In related technologies, commonly used shift devices mainly include electronically controlled electro-hydraulic type, electropneumatic typ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H59/10F16H61/06
CPCF16H59/10F16H61/065
Inventor 靳少辉焦秉正邢明星吴永亮赵东华李萌
Owner GREAT WALL MOTOR CO LTD
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