Replaceable Plastic Sleeve Socket for Worn Nut Grip
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Traditional metal sockets wear out quickly due to loss of precision, leading to slipping and inability to tighten or loosen nuts or bolts, resulting in resource waste and increased costs, as they need to be entirely replaced.
Innovation Solution
A socket design featuring a replaceable inner plastic sleeve with a hexagonal, pentagonal, or triangular cross-section, bonded to the inner wall of the socket hole, which increases friction and torque, and can be easily replaced when damaged, along with an outer plastic sleeve for additional friction and versatility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional metal socket is used, then the socket can initially tighten or loosen nuts and bolts effectively, but after prolonged usage the inner wall loses precision and becomes easy to slip, requiring complete replacement of the socket
Solution Approach 1:
The socket is divided into two functional parts: a durable metal socket body that maintains structural integrity and a replaceable inner plastic sleeve that contacts the nut or bolt. The sleeve can be replaced independently when worn, separating the wear component from the structural component, thus extending the overall service life while maintaining gripping precision.
Solution Approach 2:
The material parameter of the contact surface is changed from metal to plastic. The plastic sleeve provides different friction characteristics and wear properties compared to metal, allowing for prolonged service life while maintaining reliable gripping precision through replaceability.
2Reliability
If a traditional metal socket is replaced entirely when worn, then gripping precision is restored, but resource waste increases and costs significantly increase
Solution Approach 1:
The socket system is segmented into a permanent metal body and a consumable plastic sleeve. Only the sleeve needs replacement when worn, not the entire socket. This reduces resource waste by preserving the metal body which can be reused multiple times with different sleeves.
Solution Approach 2:
The design allows discarding only the worn plastic sleeve while recovering and reusing the metal socket body. This selective replacement approach minimizes resource waste and reduces disposal requirements compared to replacing the entire socket.
3Reliability
If a traditional metal socket is replaced entirely when worn, then gripping precision is restored, but manufacturing and acquisition costs significantly increase
Solution Approach 1:
The socket is designed as an assembly of a metal body and a separate plastic sleeve. The plastic sleeve can be manufactured more cheaply and replaced independently, reducing the overall cost of maintaining gripping precision compared to manufacturing entirely new metal sockets each time wear occurs.
Solution Approach 2:
The plastic sleeve is designed as a lower-cost, replaceable component that can be manufactured more economically than the metal socket body. Replacing the inexpensive plastic sleeve is more cost-effective than replacing the entire expensive metal socket when wear occurs.
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 socket's inner plastic sleeve enhances friction and torque, allowing for prolonged use without replacing the entire metal socket, reducing costs and resource waste, while the outer sleeve provides additional gripping power in tight spaces.
Implementation Method 1
The inner plastic sleeve increases the friction force in contact with the nut or bolt head
Implementation Method 2
said inner plastic sleeve and an inner wall of said first socket hole are bonded by any adhesive selected from structural glue, AB glue, and quick-drying glue
Data Source
AI summary
A socket includes a head part 1 and a body 2, characterized in that an inside of a first socket hole 21 of the body 2 is provided with an inner plastic sleeve 3 attached to an inner wall thereof in a replaceable way, wherein, the head part 1 can dock with an internal angle head nut or a bolt to drive its rotation. The inner plastic sleeve 3 mats with a nut or bolt and drive its rotations. The inner plastic sleeve 3, as provided inside the body 2, not only can it increase the friction in contact with the nut or bolt, which increases the efficiency of the socket operation, the user can also replace the inner plastic sleeve 3 when the inner plastic sleeve 3 is damaged or slips after multiple uses. As the user only need to replace the inner plastic sleeve 3 instead of replacing the entire metal socket, the present invention significantly reduces the operation costs, saves social resources, and avoid unnecessary waste.