Adjustable Desk Plate Assembly for Stationary Exercise Bikes
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Solution Overview
Problem
Existing stationary exercise bikes with desk plates are not adjustable, making them unsuitable for users with different heights and figures, and lack versatility for use as an independent table when the bike is not in use.
Innovation Solution
A stationary exercise bike with a desk plate that can be adjusted in height and position using a lifting assembly with a locking gas spring and electric linear driving device, allowing users to customize the desk plate's position while seated, and enabling it to be used as a standalone table when the bike is not in use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the desk plate is made fixed on the exercise bike, then the structure is simple and stable, but it cannot accommodate users with different heights and figures
Solution Approach 1:
The desk plate is transformed from a fixed structure to a movable one through the lifting assembly and sliding mechanism. The lifting assembly enables vertical movement to adjust height, while the sliding mechanism allows horizontal movement to adjust distance from the bike body, making the desk plate adaptable to different user needs.
Solution Approach 2:
The desk plate is designed to serve multiple functions: it can be adjusted for different users of varying heights and body types, and when fully extended and locked, it can function as an independent standing table separate from the exercise bike.
2Adaptability or versatility
If the desk plate is made adjustable with lifting assembly, then it can accommodate different users, but the structure becomes more complex
Solution Approach 1:
A gas spring is used as the lifting mechanism to provide the necessary lifting force. The gas spring automatically supports the desk plate at various heights and can be easily controlled by a release button, simplifying the operation despite the added structural complexity.
Solution Approach 2:
The manual lifting mechanism is replaced with a gas spring-based system that uses pneumatic pressure to provide lifting force. This substitution reduces the need for complex mechanical linkages and makes the adjustment process more intuitive and easier to operate.
3Adaptability or versatility
If the desk plate is fixed during exercise, then it provides stable support, but it cannot be used as independent table when bike is not in use
Solution Approach 1:
The desk plate is designed with movable connections through the lifting assembly and sliding mechanism, allowing it to be dynamically adjusted to a fully extended position where it can function independently from the bike body, serving as a standalone table when not exercising.
Solution Approach 2:
The desk plate can be completely detached from the bike body by releasing the lifting assembly and sliding it out to its maximum extension. This extraction allows the desk plate to function as an independent table separate from the exercise bike.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The adjustable desk plate accommodates users of varying heights and figures, providing convenience and flexibility, allowing for comfortable exercise and work while seated, and enabling the desk plate to be used independently when the bike is not in use.
Implementation Method 1
a locking gas spring arranged inside the sliding sleeve; the lower end of the locking gas spring is connected with the stationary exercise bike body assembly, and the upper end of the locking gas spring connected with the sliding sleeve; the locking gas spring enables the sliding sleeve to move up and down relatively to the stationary exercise bike body assembly
Implementation Method 2
an ejector rod assembly with reset spring is arranged below the pressing block; the ejector rod assembly is connected with the upper end of the control valve of the locking gas spring; when the first handle is loosened, the ejector rod assembly is reset by the reset spring, making the control valve of the locking gas spring closed and the locking gas spring in a locked state
Data Source
AI summary
The present disclosure discloses a stationary exercise bike with a desk plate, comprising an stationary exercise bike body assembly and a desk plate assembly. In the present disclosure, the users can adjust the height of the desk plate as well as the distance to the desk plate, thus users with different heights and figures can all be accommodated. And it's convenient since all the adjustments can be done while the user sits on the exercise bicycle, and operate directly on the desk plate. Besides, the desk plate can be lifted and slid out of the exercise bicycle, and used as an independent standing table when the exercise bicycle is not in use.