Staple Gun Dual-Locking Mechanism for Secure Lever Control
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Solution Overview
Problem
Existing staple guns with swingable limiting members have a complex structure, are not aesthetically pleasing, and are inconvenient to use due to the limiting member being easily unlocked, damaged, or detached, requiring manual intervention to lock and unlock the lever.
Innovation Solution
A staple gun with a dual-locking mechanism featuring a rotatable locking member with a radial stopping bump inside the housing, allowing the lever to be securely locked and unlocked by swinging positions, preventing unexpected striking and simplifying operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a swingable limiting member is disposed on the end of the staple gun away from the staple outlet to lock the lever, then the lever can be locked to avoid unexpected striking, but the limiting member is exposed outside the housing making it easy to be unlocked, damaged or detached
Solution Approach 1:
The locking member is nested inside the housing rather than being exposed on the exterior. The limiting groove is formed within the housing structure, and the limiting member is positioned inside the housing, creating a nested configuration that protects the locking mechanism while maintaining its function.
Solution Approach 2:
The stopping bump acts as an intermediary element that mediates between the lever and the locking mechanism. When the lever swings to the second position, the stopping bump abuts against a part of the lever inside the housing, providing the locking action without requiring an exposed external limiting member.
2Reliability
If the limiting member is exposed outside the housing for locking the lever, then the lever can be locked, but the structure becomes complicated and is not aesthetic
Solution Approach 1:
The locking function is merged with the housing structure itself. The limiting groove is integrated into the housing, and the locking mechanism components are combined within the housing rather than being separate external attachments, simplifying the overall structure.
Solution Approach 2:
The locking mechanism components are nested within the housing structure, with the stopping bump and limiting groove positioned inside the housing. This nested arrangement eliminates the need for external limiting members and reduces structural complexity.
3Reliability
If the limiting member is exposed outside the housing, then the lever can be locked, but the limiting member is easy to be detached requiring manual intervention to lock and unlock
Solution Approach 1:
The locking and unlocking mechanism is designed to be self-service through the interaction between the stopping bump and the lever's position. When the lever swings to the second position, the stopping bump automatically abuts against the lever to lock it. To unlock, the user simply presses the lever to the first position, causing the stopping bump to disengage automatically without requiring manual intervention to detach a separate limiting member.
Data Source
AI summary
A staple gun includes a housing, a striking member, a driving mechanism and a locking mechanism. The housing includes a staple outlet. The striking member is disposed on the housing. The driving mechanism includes a pressure bar which is rotatably assembled with the housing. The locking mechanism includes a locking member. The locking member is assembled with the housing and is rotatable about an axial direction to be in a locking position or a releasing position. The locking member has a stopping bump formed radially.