Thumb mechanism for under-driven adaptive prosthetic hand

An adaptive and underactuated technology, applied in artificial arms and other directions, can solve the problems of lack of realistic human hands, the placement of thumb and thumb, and the lack of anthropomorphic movement flexibility, to achieve improved flexibility and reliability, and a realistic appearance. , the effect of freedom of movement
CN101057791AInactive Publication Date: 2007-10-24HARBIN INST OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
HARBIN INST OF TECH
Publication Date
2007-10-24
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a thumb device for artificial hand. The driving device (1) is in rotary connection with the back part of near knuckle (4), the front part of near knuckle is in rotary connection with back part of middle knuckle (3), and the front end of middle knuckle is in rotary connection with the back part of far knuckle (2). The middle knuckle and near knuckle imitate deficient activation motion of real hand driven by middle knuckle shaft disk, the middle knuckle and far knuckle imitate coupling motion of real hand driven by coupling rod; and the knuckle number of thumb is imitative to that of real hand. The invention is characterized by simple structure, real-like appearance and flexible motion of each knuckle.
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Description

technical field

[0001] The invention relates to a thumb mechanism of an artificial hand. Background technique

[0002] At present, the thumbs of most of the prosthetic hands installed by the disabled can only move in one direction, and it is difficult to imitate the spatial movement of the human thumb, so that the position of the thumb on the palm, the appearance of the thumb and the human hand have great differences. difference. Also for this reason, many disabled people who need prosthetic hands are reluctant to use prosthetic hands. According to the survey, more than half of the disabled people pay more attention to the realism of the appearance of the prosthetic hand, which can be said to be a big bottleneck in the design of the current prosthetic hand. The patent application publication number is CN 1803413A, and the patent application date of publication is July 19, 2006, which discloses a "thumb mechanism for underactuated self-adaptive prosthetic hand". The number...

Claims

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