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Gear shifting mechanism and two-gear transmission

A shifting mechanism and transmission technology, applied in the direction of mechanical drive clutches, non-mechanical drive clutches, clutches, etc., can solve the problems of easy power interruption, high control precision requirements, complex structure, etc., to avoid power interruption and reduce control precision requirements , the effect of simplifying the structure

Active Publication Date: 2022-06-03
清驰汽车(北京)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the technical problems existing in the existing transmission mechanism such as complex structure, high control precision requirements, easy power interruption, etc., the present invention provides a shift mechanism

Method used

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  • Gear shifting mechanism and two-gear transmission
  • Gear shifting mechanism and two-gear transmission
  • Gear shifting mechanism and two-gear transmission

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Embodiment Construction

[0026] Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principle of the present invention, and are not intended to limit the protection scope of the present invention.

[0027] It should be noted that, in the description of the present invention, the terms “left”, “right”, “inner”, “outer” and the like indicate the direction or positional relationship based on the direction or positional relationship shown in the drawings, which It is only for ease of description, not to indicate or imply that the device or element must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and "fourth," etc. are used for descriptive purposes only and should not be construe...

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Abstract

The invention belongs to the technical field of transmissions, and particularly relates to a gear shifting mechanism and a two-gear transmission. The gear shifting mechanism comprises an executing mechanism, a first component, a second component, a third component and a sliding piece arranged on the first component, and an elastic piece is arranged between the first component and the sliding piece. The gear shifting mechanism further comprises a first inner friction unit and a second inner friction unit which are arranged on the first component, a regulation and control component, a first outer friction unit and a positioning part which are arranged on the second component, and a second outer friction unit arranged on the third component. The adjusting and controlling component is driven by the executing mechanism to reciprocate along the center line so that the first inner friction unit and the first outer friction unit can be connected or separated, and meanwhile the second inner friction unit and the second outer friction unit can be separated or connected. The gear shifting mechanism is simple in structure and low in control precision requirement; the radial size is small, and friction units are convenient to select; when the gear shifting device is used for a two-gear transmission device, gear shifting can be smooth, and power is not interrupted.

Description

technical field [0001] The invention relates to the technical field of transmissions, in particular to a shifting mechanism and a two-speed transmission. Background technique [0002] The traditional two-speed transmission requires two clutches to work together. Since the clutch includes a control oil circuit and a control system, the two clutches require two independent oil circuits and two control systems, which makes the structure of the existing transmission mechanism more complicated. , such as the dual-clutch transmission mechanism disclosed in China's authorized invention patents (CN109661526B, CN110914563B). In the shifting process, in order to ensure the continuous and stable transmission of power, it is necessary to quickly engage the other clutch while the other clutch is disengaged; if the two clutches are disengaged at the same time, the power will be interrupted, and there will be serious equipment defects. Therefore, in addition to the complex structure of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H3/20F16H57/023F16H63/30F16D13/52F16D25/0638F16D27/115
CPCF16H3/20F16H57/023F16H63/30F16D13/52F16D25/0638F16D27/115
Inventor 张欣吴志先张润生张权
Owner 清驰汽车(北京)有限公司
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