Action Robot Connector Wire Guidance and Protection
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Solution Overview
Problem
Action robots face issues with wire damage and difficulty in guiding wires within their bodies, which can lead to mechanical failures and hinder their performance in performing predetermined motions.
Innovation Solution
The action robot design incorporates a connector system with a joint shaft, a wire path, and a supporter to securely guide and protect the wires, featuring a chamfered inlet, a roller-shaped supporter, and flexible tubes to ensure wire integrity and easy guidance within the robot's body.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If wires are routed through the robot body without proper guidance structures, then the device complexity is reduced, but wire damage occurs and reliability deteriorates
Solution Approach 1:
The patent introduces a connector as an intermediary component between the robot body and movable parts. This connector includes a joint shaft supporting part with a ring shape that receives the joint shaft, and a wire path that guides wires through the connector. The connector acts as a mediator that protects wires from damage while maintaining a relatively simple overall structure.
Solution Approach 2:
The wire path is pre-configured within the connector structure, with an inlet disposed in the body and a path that guides the wire to the movable part. This preliminary arrangement of wire routing paths prevents wire damage before it can occur during robot operation, rather than attempting to solve wire protection issues after problems arise.
2Reliability
If wires are guided through complex path structures, then wire damage is prevented, but ease of operation deteriorates due to difficulty in wire guidance
Solution Approach 1:
The connector provides localized wire guidance structures at specific critical points where wires are most vulnerable. The joint shaft supporting part with ring shape and the wire path with inlet are positioned locally where needed rather than requiring complex guidance throughout the entire robot body. This localized approach protects wires effectively while maintaining ease of operation.
3Ease of operation
If the inlet is made larger to facilitate wire passage, then ease of operation improves, but manufacturing precision deteriorates due to chamfering requirements
Solution Approach 1:
The inlet is pre-formed with a chamfered geometry during the connector manufacturing process. This preliminary chamfering creates a guide surface that facilitates smooth wire insertion while maintaining precise dimensions. The chamfered inlet structure is built-in from the start rather than requiring post-manufacturing adjustment, balancing ease of wire insertion with manufacturing precision.
Data Source
AI summary
An action robot includes a connector configured to connect a body to a movable part, a joint including a rotational body fastened to the movable part, a joint shaft provided to protrude from the rotational body, and a joint shaft supporting part provided in the connector to have a ring shape, the joint shaft being inserted into the joint shaft, a wire connected to the movable part to pull the movable part in a direction in which the joint is bent, a wire path provided in the connector, the wire path including an inlet which is disposed in the body and through which the wire passes, and a supporter disposed in the body to support the wire. An upper end of the supporter overlaps the inlet in a horizontal direction.