Tool Adapter Quick Release Using Segmented Spherical Positioning
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Solution Overview
Problem
Conventional safe and quick release devices for tool adapters are complex and costly to process, and their assembly is hindered by small, heavy components that can drop and resist assembly, requiring additional tools for disassembly.
Innovation Solution
A safe and quick release device featuring a main body with a combination groove and position-limiting holes containing a spherical position-limiting member and an elastic member, allowing easy assembly and disassembly without additional tools, using a spherical steel ball and spring for positioning and releasing the combination head.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a press pin with stepped main body and upper cover is used in the position-limiting hole, then the position-limiting member can be directly pressed to disassemble the combination head, but the processing and assembling becomes quite complicated
Solution Approach 1:
The position-limiting member is divided into two separate components: a spherical steel ball and a spring. This segmentation simplifies the structure compared to the integrated press pin with stepped main body and upper cover, making processing and assembly easier while maintaining the same disassembly function.
Solution Approach 2:
The position-limiting member uses a spherical steel ball instead of a stepped cylindrical press pin. The spherical shape is simpler to manufacture and eliminates the need for complex stepped machining and upper cover assembly, directly resolving the processing complexity issue while enabling easy pressing operation.
2Ease of manufacture
If a spherical position-limiting member is used, then the processing cost is reduced and assembly is simplified, but the position-limiting member needs to be restrictedly positioned to prevent dropping
Solution Approach 1:
The positioning function is segmented between the first position-limiting portion (preventing downward drop) and the second position-limiting portion (preventing upward removal). This segmentation allows the use of simple spherical steel balls while maintaining secure positioning, balancing manufacturing ease with positioning reliability.
Solution Approach 2:
The spherical shape of the steel ball naturally fits within the position-limiting hole bounded by the first and second position-limiting portions. The spherical geometry simplifies manufacturing compared to shaped pins, while the complementary fit with the position-limiting portions provides adequate restriction without complex positioning structures.
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 solution simplifies processing and reduces costs by using readily available spherical steel balls, enabling easy assembly and disassembly of the tool adapter without additional tools, while preventing assembly hindrances from dropped components.
Implementation Method 1
an elastic member, a spring, is provided in the position-limiting hole
Data Source
AI summary
A safe and quick release device for a tool adapter includes a main body and a combination head. The main body has its front end axially bored with a combination groove with an open end. The combination groove has its opposite sides respectively bored with at least one position-limiting hole having its opposite ends respectively and annularly formed with a first position-limiting portion and a second position-limiting portion. A spherical position-limiting member is slidably disposed in the position-limiting hole and restrictedly positioned therein by the first and the second position-limiting portion. Thus, the position-limiting member is ready made, needless to be especially processed, can easily be in stalled for facilitating assembly and disassembly of the combination head, reducing processing cost.