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Transmission self-locking structure

A self-locking structure and transmission technology, applied in the direction of elements with teeth, belts/chains/gears, mechanical equipment, etc., to achieve reliable shifting, compact and reasonable structure design, and prevent rotation.

Pending Publication Date: 2019-01-18
SHAANXI FAST GEAR CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the existing self-locking structure needs to occupy a relatively large axial space when it is installed in the transmission housing, and propose a transmission self-locking structure

Method used

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  • Transmission self-locking structure
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Embodiment Construction

[0018] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention , but not to limit the scope of the present invention.

[0019] see figure 1 with figure 2 , a self-locking structure of a transmission, including a shift paddle 1, a shift fork 2, a shift fork shaft 3, a compression spring 4 and a self-locking steel ball 5, the shift fork 2 is sleeved on the shift fork shaft 3, and the shift paddle 1 is connected with the shift fork 2 and can make the shift fork 2 move back and forth along the shift fork shaft 3; when in use, the shift fork shaft 3 is fixed and installed on the transmission case; the shift fork 2 is provided with a spring perpendicular to the axial direction Cavi...

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PUM

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Abstract

The invention belongs to the technical field of transmission, particularly relates to a transmission self-locking structure, and aims at solving the problem of large axial space occupation when the self-locking structure is installed in a transmission housing. The self-locking structure comprises a gear shifting head, a shifting fork, a shifting fork shaft, a compression spring and a self-lockingsteel ball, the shifting fork sleeves the shifting fork shift, and the gear shifting head is in clamping connection with the shifting fork and can allow the shifting fork to move forwards and backwards along the shifting fork; the shifting fork shaft is fixedly installed on the transmission housing; a spring installing cavity perpendicular to the axial direction is arranged on the shifting fork, the compression spring is arranged in the spring installing cavity, and a self-locking steel ball is arranged at the end of the compression spring; three annular grooves are formed in the shifting forkshaft representing two gears and a neutral position respectively; the self-locking steel ball is in contact with the annular grooves formed in the shifting fork shaft through the pressure of the self-locking spring.

Description

technical field [0001] The invention belongs to the technical field of transmissions, and in particular relates to a transmission self-locking structure. Background technique [0002] At present, the self-locking structure of the transmission shifting system generally uses a spring fixed on the housing, and a compressed steel ball is arranged at the end of the spring. The compressed steel ball contacts different grooves on the shift fork shaft to realize self-locking of different gear positions. The disadvantage of this structure is that the transmission housing needs to reserve a movement space for the shift fork shaft. When the axial dimension of the transmission is very tight, this space will occupy a relatively large proportion of the length of the transmission. It is necessary to design a self-locking structure that can still achieve self-locking when the shift fork shaft does not move. Contents of the invention [0003] The purpose of the present invention is to sol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H63/34
CPCF16H63/34F16H2063/321
Inventor 白玉田孙智金殷崇一
Owner SHAANXI FAST GEAR CO