Interchangeable Massage Roller Locking Structure for Flexible Use
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Solution Overview
Problem
Conventional roller massage devices have fixed rollers that limit usage flexibility, requiring multiple purchases and storage space for various types to meet different massage needs, leading to inconvenience.
Innovation Solution
A changeable massage device with a main body, position limiter, and control member that allows easy replacement of rollers by sliding between opening and locking positions, facilitated by a position limiter and control member configuration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the roller is fixed on the handgrip, then the structure is simple and stable, but the usage flexibility is limited and multiple rollers need to be purchased and stored
Solution Approach 1:
The massage device is divided into separable components: the handgrip body and the roller. The roller can be detached from the handgrip and reattached, allowing users to exchange different roller types for different massage needs without replacing the entire device. This segmentation enables versatility while maintaining a relatively simple overall structure.
Solution Approach 2:
The roller is designed to be dynamically replaceable rather than permanently fixed. A replacement mechanism is provided that allows the roller to be easily removed and reattached. This dynamic design enables users to adapt the device to different massage requirements by changing the roller, improving usage flexibility without significantly increasing structural complexity.
2Adaptability or versatility
If multiple types of rollers are purchased for different massage needs, then different massage requirements can be met, but the cost and storage space required increase
Solution Approach 1:
The handgrip body is designed as a universal component that can accommodate multiple types of rollers through a standardized replacement mechanism. Instead of needing separate devices for different massage needs, users can attach different rollers to the same handgrip body, making the device multi-functional and reducing the total number of items required.
Solution Approach 2:
The invention merges the functionality of multiple roller devices into a single device by allowing roller replacement. The handgrip body serves as a common platform that combines the capabilities of different roller types, eliminating the need to purchase and store multiple separate massage devices while still meeting various massage requirements.
3Adaptability or versatility
If multiple rollers are stored for different body parts, then all massage scenarios are covered, but the storage space required increases
Solution Approach 1:
The handgrip body is designed as a universal platform that can accommodate different roller types for various body parts and massage scenarios. By making the roller replacement system standardized, users can store only one handgrip body and exchange rollers as needed, significantly reducing the storage space required compared to storing multiple complete devices.
Solution Approach 2:
The roller is designed to be nested within or attached to the handgrip body through a dedicated replacement mechanism. When not in use, the roller can be stored within the handgrip body or in a compact manner, reducing the overall storage volume needed for the complete massage device set.
Data Source
AI summary
A changeable massage device includes a main body, a position limiter, and a control member. The main body includes a combination part and a body part. The position limiter is slidably disposed on the combination member and has a limiting recess. The position limiter moves between an opening and a locking position. The control member is between the main body and the position limiter. The control member has an operation part and a connection part movably connected with the body part. When the position limiter is at the opening position, the operation part is pressed and engaged in the limiting recess, whereby a roller is mounted around or detached from the main body. When the position limiter is pressed to change to the locking position, the operation part leaves the limiting recess to abut against the position limiter, and the roller is fixed to the main body.