Versatile Electric Cart With Interchangeable Attachments
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Solution Overview
Problem
Current carts require multiple structures for different applications, leading to increased costs and space usage, as there is no single cart with adaptable attachments to meet various needs.
Innovation Solution
A versatile electric cart design featuring a frame with interchangeable attachments, including a hopper, mesh hopper, tow ball head, and shovel, utilizing a T-shaped column and screw holes for easy attachment and detachment, allowing the cart to serve multiple functions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple carts with different structures are used to meet different transportation needs, then various transportation requirements can be satisfied, but cost and space usage increase
Solution Approach 1:
The patent implements a universal cart frame structure with standardized connecting interfaces (screw holes, connecting holes, T-shaped columns) that can accommodate multiple different attachments. This allows a single cart base to perform various transportation functions by simply changing the attachment, eliminating the need for multiple specialized carts and reducing both cost and space requirements.
Solution Approach 2:
The cart is divided into two independent parts: a universal frame structure and interchangeable attachments. The frame provides the basic transportation function while attachments provide specialized capabilities. This segmentation allows the same frame to serve multiple purposes by combining with different attachments, directly addressing the contradiction between versatility and quantity.
2Adaptability or versatility
If multiple carts with different structures are used to meet different transportation needs, then various transportation requirements can be satisfied, but space usage increases
Solution Approach 1:
By designing a universal frame with standardized connection interfaces, the patent enables multiple transportation functions to be achieved within a single cart structure. This reduces the total number of carts needed and consequently decreases the storage space required, while maintaining the ability to satisfy various transportation requirements.
Solution Approach 2:
The patent merges multiple cart functions into a single unified structure by providing a common frame that can accommodate different attachments. Instead of storing multiple separate carts, users only need to store one frame and various attachments, significantly reducing the space required while maintaining functional versatility.
3Adaptability or versatility
If a cart frame is designed with standardized connecting interfaces for multiple attachments, then versatility is achieved, but frame structure complexity increases
Solution Approach 1:
The patent applies local quality by adding specialized connecting interfaces (screw holes, connecting holes, T-shaped columns) only at specific locations on the frame where attachments need to be mounted, rather than making the entire frame complex. This localized approach to standardization enables versatility while keeping the overall frame structure simple and easy to manufacture.
Data Source
AI summary
A versatile electric cart, including a frame, a handle, a battery, a motor, a wheel and an axle. The frame is provided with components connecting with attachments. The components include a snib, a bolt, a connecting hole and a T-shaped column. The snib is provided at the rear end of the frame. The front and rear beam of the frame are both provided with the screw hole. The front end of the frame is provided with the connecting hole and the T-shaped column. The T-shaped column is provided at the axle, the top and bottom of the T-shaped column are both provided with the screw hole. The front end of the T-shaped column is provided with the connecting hole. The frame is provided with the battery. The attachments are fitted to the frame by the snib, the screw hole, the connecting hole or the T-shaped column.