Transmission mechanism for two-direction automatic variable-speed motor

An automatic speed change and transmission mechanism technology, applied in the mechanical field, can solve the problems of unsmooth reversing, uncontrollable, bumping into the upper end surface of the inner ring, etc., and achieve the effects of smooth switching, improved stability, and improved operation stability

Active Publication Date: 2019-03-01
屠申富 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in actual use, it is found that due to the uncontrollable elastic force, there will be several times during the switching process that the slope of the coupling part is not at the lower end of the coupling sleeve under the action of the elastic force of the elastic part 2, so the coupling will occur when reversing the car. If the lower end of the sleeve falls directly and hits the upper end surface of the inner ring, it will cause the vehicle to vibrate, the backing will not be smooth, and affect the running stability of the vehicle

Method used

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  • Transmission mechanism for two-direction automatic variable-speed motor
  • Transmission mechanism for two-direction automatic variable-speed motor
  • Transmission mechanism for two-direction automatic variable-speed motor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] like figure 1 , figure 2 and image 3 As shown, the transmission mechanism of the two-way automatic variable speed motor includes the main shaft 1 and the inner ring 2 and the coupling sleeve 6 both sleeved on the main shaft 1, the output gear is fixed on the main shaft 1, the inner ring 2 is circular and the inner ring 2 Circumferentially fixed with the main shaft 1, the inner ring 2 is provided with a ring-shaped outer ring 3, and a unidirectional structure is provided between the inner ring 2 and the outer ring 3. The relief grooves 2a and the rollers 4 arranged in each relief groove 2a. When the outer ring 3 is rotated in the reverse direction, there is a disengagement structure 7 that can make the combination sleeve 6 move away from the outer ring 3 between the combination sleeve 6 and the outer ring 3 (the specific structure of the disengagement structure 7 can refer to the application number of 201620877779.X discloses a two-way automatic variable speed motor...

Embodiment 2

[0051] The structure and principle of this embodiment are basically the same as that of Embodiment 1, the difference is that in this embodiment, the joint section 1 2a11 and the joint section 2a12 are two convex arc surfaces located on the same circumference, and the transition section 2a13 is a straight surface connected between the two convex arc surfaces.

Embodiment 3

[0053] The structure and principle of this embodiment are basically the same as that of Embodiment 1. The difference is that in this embodiment, the positioning structure includes a number of protrusions arranged on the inner top wall of the outer ring 3 and a number of protrusions arranged on the upper end surface of the coupling plate 5 along the circumferential direction. The shape of the protruding head is the same as that of the groove and the protruding head has elasticity, the number of the protruding heads is less than the number of the grooves, each groove is continuously distributed and there is a circular arc transition between two adjacent grooves.

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Abstract

The invention provides a transmission mechanism for a two-direction automatic variable-speed motor and belongs to the technical field of machinery. By means of the transmission mechanism for the two-direction automatic variable-speed motor, the problems that existing transmission mechanisms are not smooth in switching and inadequate in vehicle running stability are solved. The transmission mechanism comprises a main shaft, an inner ring circumferentially fixed on the main shaft and an outer ring arranged outside the inner ring in a sleeving manner, a plurality of rolling columns are arranged between the outer ring and inner ring, the outer side of the position, wherein all the rolling columns are in, of the inner ring is provided with abdication segments and second combination segments located on one sides of the corresponding abdication segments, when the rotating speed of the inner ring is higher than that of the outer ring, the rolling columns are located at the abdication segmentsand make the inner ring slip with the outer ring each other, the other sides of the abdication segments are provided with first combination segments, when the rolling columns are located at the firstcombination segments or the second combination segments, the inner ring can be circumferentially fixed with the outer ring, and when the outer ring rotates, the rolling columns can be driven to move to the first combination segments or the second combination segments. The transmission mechanism for the two-direction automatic variable-speed motor has the advantages of being smooth in switching, good in vehicle running stability and the like.

Description

technical field [0001] The invention belongs to the technical field of machinery and relates to a bidirectional automatic variable speed motor, in particular to a transmission mechanism of a bidirectional automatic variable speed motor. Background technique [0002] The two-way automatic variable speed motor is used in the electric tricycle. It realizes the forward or reverse of the electric tricycle through the cooperation of structures such as one-way chucks. However, the components of this structure are scattered and take up too much space. Therefore, the applicant has proposed a two-way automatic variable speed motor transmission with application number 201520526628.5, which distributes all parts of the entire structure on the main axis, reduces the gap between each take up space. However, in this transmission device, there is a separation mechanism related to forward and reverse driving, which requires extremely high assembly precision of each component, which is prone...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D41/064
CPCF16D41/064
Inventor 屠申富屠昌德
Owner 屠申富
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