Punching Bag Counterweight Base With Nested Connector Storage
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Solution Overview
Problem
Vertical punching bags have a large counterweight base that exceeds standard packaging volume limits, leading to increased logistics and warehousing costs.
Innovation Solution
A compact counterweight base design with a conical connector embedded in an accommodating cavity, suction discs for ground fixation, and a container structure allowing easy assembly and weight adjustment using fillers like sand or gravel.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of stationary object
If the counterweight base uses a traditional separate structure with connectors attached externally, then the assembly is simple, but the packaging volume is large and exceeds standard limits
Solution Approach 1:
The conical connector is nested inside the accommodating cavity of the counterweight base during storage and transportation. The connector's conical shape matches the cavity's conical shape, allowing it to fit snugly within the base structure. This nesting arrangement significantly reduces the overall packaging volume while maintaining the ability to assemble the complete structure when needed.
Solution Approach 2:
The patent combines the counterweight base and conical connector into a more integrated structure where the connector becomes part of the base assembly. The flange base of the connector integrates with the platform of the counterweight base, creating a unified structure that occupies less space during logistics while still providing the necessary functional separation when assembled.
2Ease of manufacture
If the counterweight base is designed with a compact embedded structure, then the logistics cost is reduced, but the assembly process becomes more complex
Solution Approach 1:
The conical connector is pre-positioned within the accommodating cavity during manufacturing, with the flange base resting on the step structure. This preliminary positioning ensures proper alignment and orientation, so that when assembly is required, the connector can be easily removed and reattached without complex alignment procedures. The preliminary arrangement simplifies the eventual assembly operation.
Solution Approach 2:
The step structure is created only at the specific location where the flange base needs support, providing localized structural features that facilitate easy assembly. The step provides a natural stopping point and alignment reference for the connector, making installation straightforward despite the embedded design.
3Volume of stationary object
If the conical connector is stored inside the counterweight base, then the space occupation is reduced, but the structural stability during storage may be compromised
Solution Approach 1:
The conical shape of both the connector and the accommodating cavity provides inherent structural stability during storage. The conical geometry creates a self-centering effect that prevents shifting or damage during transportation, while still achieving compact space occupation. The tapered fit ensures the connector remains securely positioned within the cavity without requiring additional fastening mechanisms during storage.
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
Reduces packaging volume, lowers logistics and warehousing costs, and enhances stability and ease of assembly while maintaining functionality.
Implementation Method 1
a plurality of suction discs
Data Source
AI summary
A counterweight base for a punching bag, including a counterweight body, a conical connector, and a plurality of suction discs. The counterweight body includes a platform and an accommodating cavity. The upper part of the counterweight body protrudes to form a circular truncated cone, and the platform is disposed in the center of the top surface of the circular truncated cone. The accommodating cavity is disposed in the center of the bottom part of the counterweight body. The accommodating cavity includes a bottom opening, and is in the shape of a conical column. The conical connector is matched with the accommodating cavity in size and shape, and includes a flange base. A step is disposed in the bottom opening of the accommodating cavity. In a storage state of the counterweight base, the conical connector is disposed in the accommodating cavity, and the flange base is supported by the step.