Cable Tie Tensioner with Spring-Loaded Pressing Block
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Solution Overview
Problem
Conventional cable ties are difficult to tighten due to insufficient applied force, causing articles to slip off easily, and cutting through thick ties blunts cutters quickly, leading to inconvenience.
Innovation Solution
A cable tie tensioner comprising a first and second plate body with pivot portions, operation handles, a cutting member, and a pressing member with a spring-loaded pressing block that clamps and tightens the tie section, allowing for easy tightening and cutting of excess tie material.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If a conventional cable tie is used to bind articles, then the structure is simple and easy to manufacture, but the applied force is insufficient causing articles to slip off easily
Solution Approach 1:
The patent combines the tightening function and cutting function into a single integrated tensioner device. The pressing member with pressing block and pressing plate merges the clamping action with the pulling action, while the cutting member is integrated into the same device structure, allowing both functions to be performed by one tool rather than separate tools.
Solution Approach 2:
The pressing block is designed to move dynamically between the pressing plate and the cable tie. When the operation handle is actuated, the pressing block moves to press against the cable tie, creating the necessary clamping force. This dynamic movement allows the device to transition from a resting state to an active tightening state, generating sufficient applied force.
2Strength
If the cable tie is made thick to provide sufficient binding force, then the binding strength is improved, but the cutter becomes blunt easily causing inconvenience
Solution Approach 1:
The cutting function is extracted as a separate, dedicated component within the tensioner device. The cutting member is positioned to engage with the excess cable tie after tightening, allowing precise cutting of the thick tie material without requiring excessive force that would blunt a conventional cutter. This separate cutting function addresses the problem of cutting thick ties efficiently.
3Productivity
If manual tightening is used with conventional cable ties, then the device complexity is low, but labor efficiency is poor requiring excessive effort
Solution Approach 1:
The operation handle is connected to the pressing block through a mechanical linkage that translates manual handle movement into amplified clamping and pulling forces. This dynamic mechanical advantage system allows the user to apply small forces on the handle that are magnified into the large forces needed to tighten thick cable ties around articles, significantly improving labor efficiency.
Solution Approach 2:
The tensioner device merges multiple functions (clamping, pulling, and cutting) into a single operational sequence. By actuating the operation handle, the user simultaneously engages the pressing member to clamp and pull the cable tie while the cutting member is positioned to trim the excess, completing the entire tightening process in one action rather than requiring multiple separate steps.
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 labor-saving tightening and efficient cutting of cable ties, preventing slippage and prolonging cutter sharpness by providing a mechanical advantage and a mechanism for precise cutting.
Implementation Method 1
The pivot shaft is sleeved with a spring. One end of the spring is connected to the second plate body, and another end of the spring is connected to the pressing block.
Data Source
AI summary
A cable tie tensioner includes a first plate body and a second plate body. The first plate body includes a first pivot portion, a first operation handle, and a cutting member. The second plate body includes a second pivot portion and a second operation handle corresponding to the first pivot portion and the first operation handle. The second plate body is provided with a pressing member. When in use, a tie section of a cable tie is inserted through the pressing member, the second operation handle is operated to move toward the first operation handle, and the pressing member clamps the excessive tie section of the cable tie to be pulled so that an article can be tied up. After the article is tightened, the cutting member is used to cut off the excessive tie section of the cable tie.