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Hooke joint

A Hooke and hinge shaft technology, applied in the field of Hooke hinges, can solve the problems of Hooke hinges with large size, no reset function, and increased deformation range, and achieve compact structure, good torsion resistance, and large working space Effect

Active Publication Date: 2020-12-15
BEIJING JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, according to this structure, the deformation range does not substantially increase, and the Hooke hinge mechanism is large in size and does not have a reset function

Method used

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Embodiment Construction

[0042] Next, the inventive concept of the present invention will be described in detail with reference to the accompanying drawings. What is described here is only a preferred embodiment of the present invention, and those skilled in the art can think of other ways to realize the present invention on the basis of the preferred embodiments, and the other ways also fall within the scope of the present invention. In the following detailed description, directional terms such as "upper", "lower", "inner", "outer", "vertical", "vertical" and the like are used with reference to the directions described in the drawings. Components of embodiments of the present invention may be positioned in a variety of different orientations, and directional terms are used for purposes of illustration and not limitation.

[0043] figure 1 shows a Hooke hinge according to a preferred embodiment of the invention, figure 2 show figure 1 exploded view. Such as figure 1 , 2 As shown, the Hooke hing...

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Abstract

The invention relates to a hooke joint. The hooke joint comprises an upper platform, a first elastic piece, a reset rod, a lower platform and a supporting frame, wherein the upper platform is providedwith a supporting column located at the lower end, and a guide hole extending downwards in the axial direction of the supporting column is formed in the lower end of the supporting column; the firstelastic piece is accommodated in the guide hole, and the first end of the first elastic piece is opposite to the bottom surface of the guide hole; the reset rod is provided with a guide rod part located at the upper end of the reset rod and a limiting end surface located at the lower end of the reset rod, the guide rod part is slidably accommodated in the guide hole and abuts against the second end of the first elastic piece; the upper end surface of the lower platform comprises a plane part matched with the limiting end surface; and the supporting frame is fixed to the lower platform, and thesupporting column is rotationally fixed to the lower platform through the supporting frame. In a natural state, the limiting end surface is attached to the plane part, the supporting column and the reset rod are vertically distributed, and the first elastic piece is in a pressed state; and when the upper platform rotates relative to the lower platform, the plane part presses the limiting end surface to intensify the pressed degree of the first elastic piece.

Description

technical field [0001] The invention relates to the field of mechanical parts, in particular to a Hooke hinge. Background technique [0002] In mechanical equipment, due to the needs of its actual application scenarios, it is necessary to set up a U-assisted mechanism that can rotate arbitrarily in a plane. However, during the movement of the existing U-pair mechanism, there will be a problem of rigid collision between its components. In addition, the U sub-mechanism also has the problem of small working space. [0003] Document CN109664329A discloses a compact and high-rigidity Hooke hinge. The Hooke hinge is respectively provided with an upper U-shaped frame and a lower U-shaped frame from top to bottom. The upper U-shaped frame and the lower U-shaped frame respectively provide two-dimensional rotation axes for the Hooke hinge, so that the Hooke hinge can realize rotation in different dimensions. However, since all components are rigidly connected, the deformation range...

Claims

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Application Information

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IPC IPC(8): F16D3/28
CPCF16D3/28
Inventor 李晔卓赵子铭李晶晶李锐明
Owner BEIJING JIAOTONG UNIV
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