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Coaxial linear motion and rotary motion converter

A technology of linear motion and rotary motion, applied in the field of transmission, can solve the problems of loose structure, misalignment of two transmission end axes, large volume, etc., and achieve the effect of compact structure, small volume and wide application range

Inactive Publication Date: 2018-10-26
QINGDAO UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These conversion devices have problems such as misalignment of axes of the two transmission ends, loose structure, and large volume.

Method used

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  • Coaxial linear motion and rotary motion converter
  • Coaxial linear motion and rotary motion converter
  • Coaxial linear motion and rotary motion converter

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Embodiment Construction

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

[0025] refer to Figure 1-6 , a coaxial linear motion and rotary motion converter, including a housing 1, a rotating nut 2, a linear guide rod 3, a first bearing 4, a second bearing 5 and an end cover 6, wherein the housing 1 It is arranged as a hollow cylindrical structure, one end of which is open and provided with a first bearing rib 11 , and the other end is open and provided with an internal thread 12 .

[0026] The rotating nut 2 is arranged in the housing 1 and one end thereof protrudes from the housing 1, and the protruding rotating thread 2 is connected to the rotating end, the outer periphery of the rotating nut 2 is provided with an annular protrusion 21, ...

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PUM

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Abstract

The invention discloses a coaxial linear motion and rotary motion converter. The coaxial linear motion and rotary motion converter comprises a housing, a rotary nut, a linear guide rod, a first bearing, a second bearing and an end cover, wherein the housing is of a hollow cylindrical structure; one end of the housing is provided with an opening, and is equipped with a first bearing flange; the other end of the housing is open, and is equipped with inner threads; the end cover is arranged at the open end of the housing; outer threads which are matched with the inner threads are arranged at theperiphery of the end cover; the inner side end of the end cover is equipped with a second bearing flange; the rotary nut is arranged in the housing, and one end of the nut extends out of the housing;a ring-shaped bump is arranged at the periphery of the rotary nut; the first bearing and the second bearing sleeve the rotary nut, and are separately positioned at the two sides of the ring-shaped bump; one end of the linear guide rod is connected with a linear moving end; the other end of the linear guide rod is equipped with threads; and the linear guide rod is connected with the rotary nut through threads. The coaxial linear motion and rotary motion converter can realize mutual conversion between linear motion and rotary motion which are coaxial, and has the characteristics of being compactin structure, small in size and wide in range of application.

Description

technical field [0001] The invention relates to the field of transmission technology, in particular to a coaxial linear motion and rotary motion converter. Background technique [0002] In the fields of industrial and agricultural production, national defense, aviation, aerospace and other fields, it is often necessary to change rotary motion into linear motion, or convert linear motion into rotary motion. According to different applications, people have developed various conversion devices or equipment to meet the above requirements, such as rack and pinion, chain, wire rope, transmission belt, screw rod, crank connecting rod, slider mechanism, cam ejector mechanism, etc. These conversion devices all have problems such as non-coincidence of axes of the two transmission ends, loose structure, and large volume. Contents of the invention [0003] The purpose of the present invention is to solve the shortcomings in the prior art, and propose a coaxial linear motion and rotar...

Claims

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Application Information

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IPC IPC(8): F16H25/20F16H25/24
CPCF16H25/2006F16H25/24
Inventor 李庆党张东阳王晓波
Owner QINGDAO UNIV OF SCI & TECH
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