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a synchronizer

A technology of synchronizer and gear hub, which is applied in the field of automobile transmission, can solve the problem that the neutral gear positioning ability cannot meet the use requirements, and achieve the effect of improving the neutral gear positioning ability and performance

Active Publication Date: 2017-01-18
ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although the existing synchronizers can be applied to dual-clutch automatic transmissions, their neutral gear positioning capabilities cannot meet the requirements of use

Method used

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Embodiment Construction

[0023] 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.

[0024] according to Figure 1 to Figure 5 As shown, the embodiment of the present invention provides a synchronizer, including a gear hub 300 sleeved on the transmission shaft, a gear sleeve 100 sleeved on the gear hub 300, a synchronization ring and a positioning slider, and the positioning slider includes a base 203. The diaphragm spring 202 and the first steel ball 201 have a blind hole in the base 203, the first end of the diaphragm spring 202 acts on the bottom end of the blind hole, and the second end of the diaphragm spring 202 acts on the second end of the blind hole. On a steel ball 201 , the elastic force of the diaphragm spring 202 makes the first steel ball 202 act on the first locking groove on the tooth sleeve 100 . The diaphragm spring...

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Abstract

The invention discloses a synchronizer which comprises a gear hub (300) sleeved on a transmission shaft, a gear sleeve (100) sleeved on the gear hub (300), a synchronization ring and a locating slider (200), wherein the locating slider (200) comprises a base (203), a diaphragm spring (202) and a first steel ball (201); the base (203) is internally provided with a blind hole, a first end of the diaphragm spring (202) acts on the bottom end of the blind hole, a second end of the diaphragm spring (202) acts on the first steel ball (201), and the first steel bal (201) acts in a first locking slot on the gear sleeve (100) by virtue of the elasticity of the diaphragm spring (202). When the gear sleeve has axial displacement force under a neutral position state, the diaphragm spring is compressed, a reverse axial force is generated to act with the inclined face of the first locking slot of the gear sleeve so as to prevent the axial displacement of the gear sleeve; the neutral-position locating capability of the synchronizer is improved, and the performances of the synchronizer are improved.

Description

technical field [0001] The invention relates to the technical field of automobile transmission devices, in particular to a synchronizer. Background technique [0002] The synchronizer can make the two parts to be meshed in different gears reach the same speed before meshing, effectively avoiding the impact and noise between the teeth when shifting gears, and is widely used in modern automobile transmissions. However, the emergence of dual-clutch automatic transmissions at present, Higher requirements are placed on the neutral positioning performance of the synchronizer. Neutral positioning ability means that during the process of shifting gears, when the car is changing from one gear to another, it must pass through the neutral gear in the middle. The ability of the tooth sleeve to be positioned. Therefore there are following deficiencies: [0003] Although the existing synchronizer can be applied to the dual-clutch automatic transmission, its neutral positioning ability ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16D23/02
Inventor 赵云海张新桂陈勇罗大国陈华冯擎峰
Owner ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD