Clip-on Belt Buckle With Sliding Clamp Plates
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Solution Overview
Problem
Existing belt buckles often damage belts during use, fail to provide accurate fastening tightness adjustment, and have poor fastening performance under large pulling forces.
Innovation Solution
A clip-on belt buckle design featuring two large-area clamp plates that slide in grooves on the buckle body, using static friction for secure fastening without pressure damage, allowing for adjustable tightness without sliding friction between the clamp plates and the belt.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If pin-type buckle or plate-type buckle is used, then the belt can be fastened, but the belt holes are obviously damaged
Solution Approach 1:
The patent introduces a clamp plate as an intermediary component between the buckle body and the belt. The clamp plate clamps the belt from the front and back surfaces, distributing the fastening force across a larger area rather than concentrating it at a single point, thereby preventing belt hole damage while maintaining reliable fastening performance
Solution Approach 2:
The patent transitions from traditional single-point or line-contact fastening methods to a surface-area contact method by using clamp plates that wrap around the belt. This dimensional change from point/line contact to surface contact distributes the force and prevents localized damage to the belt
2Ease of operation
If automatic buckle is used, then the fastening is automatic, but the pulling force bearing capacity is limited
Solution Approach 1:
The patent employs a dynamic clamping mechanism where the clamp plates can slide along the buckle body to adjust their position. This dynamic adjustment allows the system to adapt to different belt sizes and tightness requirements while maintaining high force-bearing capacity through the large-area contact between clamp plates and belt
3Ease of operation
If roller-type buckle is used, then the fastening is smooth, but the belt is greatly damaged after long time use
Solution Approach 1:
The clamp plate serves as a protective intermediary that contacts the belt surface directly, distributing the fastening force across a large area. This eliminates the need for punched holes or toothed chains that cause abrasion, while still providing smooth fastening operation through the sliding mechanism of the clamp plates along the buckle body
4Force
If clamp plates are used to clamp the belt, then the fastening force is large, but the pressure on the belt may cause damage
Solution Approach 1:
The patent distributes the fastening force from a point or line contact to a surface area contact by using clamp plates that wrap around the belt. This dimensional change maintains high fastening force while reducing the pressure concentration, preventing belt damage through large-area force distribution
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
Enables rapid and adjustable belt fastening with high force application while minimizing pressure on the belt, preventing damage and eliminating the need for punched holes or toothed chains.
Implementation Method 1
the belt is fastened by a large static friction
Data Source
AI summary
A clip-on belt buckle, including a buckle part and a connecting part. A fixed end of a belt is fixedly connected to the connecting part. The buckle part includes a buckle body, a first clamp plate and a second clamp plate. An upper end and a lower end of the buckle body are provided with an oblique hole, respectively. An upper part and a lower part of a back of the buckle body are provided with a sliding groove, respectively. Centers of an upper end and a lower end of the first plate are provided with an elongated hole along a front-and-back direction, respectively. A vertical shaft is provided at a middle of the second plate. Two ends of the vertical shaft extend through the elongated holes, and then extend through the oblique holes. A movable end of the belt is inserted between the first plate and the second plate.