Electric Nail Gun Transmission Structure for Lateral Force Stability
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Solution Overview
Problem
Conventional pneumatic nail guns face issues with lateral force affecting the linear stability of the transmission element due to rotational power transfer, leading to reduced service life.
Innovation Solution
A transmission structure for an electric nail gun that includes a base, linear guide elements with grooves, and a transmission element with protruding posts constrained within these grooves, guided by a screw rod driven by a torsion rod to resist lateral forces during rotation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a screw structure is used to convert rotational power to linear motion, then the electric motor can drive the transmission element linearly, but a lateral force is generated on the transmission element that reduces its linear stability and service life
Solution Approach 1:
A guide element is introduced as an intermediary component between the transmission element and the base. The guide element receives the lateral force generated by the screw structure and transfers it to the base, preventing the lateral force from affecting the linear stability of the transmission element. This mediator approach allows the screw structure to function while protecting the transmission element from harmful lateral forces.
2Device complexity
If the transmission element moves linearly without constraint, then the structure is simple, but the lateral force causes deflection and reduces service life
Solution Approach 1:
The guide element serves as a mediator that provides necessary constraint to the transmission element without significantly complicating the overall structure. It selectively constrains the transmission element only in the lateral direction while allowing free movement in the linear direction, thus protecting the transmission element from lateral forces while maintaining structural simplicity.
3Reliability
If the transmission element is constrained by linear guide elements, then lateral force is eliminated and linear stability increases, but the device complexity increases
Solution Approach 1:
The guide element provides localized constraint only where needed - at the lateral interface between the transmission element and the base. The constraint is applied locally through the guide groove and protruding post interface, rather than constraining the entire transmission element uniformly. This local quality approach achieves stability enhancement with minimal added complexity.
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
Enhances the linear stability of the transmission element by constraining it with linear guide elements, preventing deflection and increasing the overall structural stability.
Implementation Method 1
the screw rod is fixed on the torsion rod and is driven by the torsion rod to rotate in place, and the screw rod spirally penetrates into the transmission element and drives the transmission element moving linearly
Implementation Method 2
The transmission element is constrained by the at least one linear guide element through the at least one protruding post extending into the linear groove, so as to be able to resist and eliminate a lateral force generated by a rotation of the screw rod
Data Source
AI summary
A transmission structure of an electric nail gun, configured to drive a push block moving linearly by a rotational power of a torsion rod. The transmission structure includes a base, at least one linear guide element, a transmission element, and a screw rod, wherein the at least one linear guide is provided with a linear groove. The transmission element includes a first end, a second end, and an intermediate part. The first end is fixed to the push block, and the intermediate part is between the first end and the second end, and the intermediate part is fixed with at least one protruding post that extends into and is restricted from sliding on the linear groove. The screw rod is fixed on the torsion rod and is driven by the torsion rod to rotate in place.