Power Dispensing Tool Plunger Kit Manual Attachment
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Solution Overview
Problem
Conventional power operated dispensing tools require inconvenient plunger replacements when switching between different packing styles of dispensing material, necessitating the use of hand tools for accessing and installing new plungers.
Innovation Solution
A power operated dispensing tool with a housing, motor, sensing member, power transmitting mechanism, and a rod with a plunger head, where the rod can be manually moved to different stop positions to actuate the sensing member and allow for plunger kit attachment/removal without hand tools, utilizing a clutch mechanism and planetary gear train for efficient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional dispensing tools use fixed plungers for different packing styles, then the tool can accommodate multiple material types, but the plunger replacement requires hand tools and is inconvenient
Solution Approach 1:
The plunger system is segmented into a plunger body and a separate tip portion that can be quickly exchanged. The tip portion is the only part that needs replacement for different packing styles, while the main plunger body remains fixed in the tool, eliminating the need to remove entire plungers.
Solution Approach 2:
The tip portion of the plunger is extracted as a separate, independently replaceable component. This allows users to quickly swap only the necessary part (the tip) without affecting the main plunger assembly, enabling rapid adaptation to different material packing styles.
2Manufacturing precision
If conventional dispensing tools require hand tools for plunger replacement, then precise installation can be achieved, but the replacement process becomes time-consuming and complex
Solution Approach 1:
The plunger tip portion is designed with self-retaining features that allow users to install and secure it using only their hands, without requiring external hand tools. The design incorporates snap-fit or friction-fit mechanisms that provide adequate retention through manual assembly alone.
Solution Approach 2:
The plunger tip portion is pre-configured with engagement features and dimensions that ensure proper alignment and fit before installation. This preliminary design of the connection interface allows for quick, tool-free attachment while maintaining sufficient precision for functional operation.
3Device complexity
If conventional dispensing tools have fixed plunger configurations, then structural simplicity is maintained, but adaptability to different material styles is limited
Solution Approach 1:
The main plunger body is designed as a universal component that can accommodate multiple types of dispensing material through interchangeable tip portions. This multi-functional design allows a single plunger body to serve different purposes by simply changing the tip, reducing overall system complexity while increasing versatility.
Data Source
AI summary
A power operated dispensing tool includes a housing having a material packing receiving space, and a rod disposed within and movable relative to the housing and having a plunger head that is disposed in the material packing receiving space. The rod is operably coupled to a power transmitting mechanism so as to make a forward movement driven by a power of a motor through the power transmitting mechanism to discharge a dispensing material in the material packing receiving space. The rod has an initiating portion disposed to actuate a sensing member in the housing to deactivate the motor when the rod is moved forwardly to a first stop position. The rod can be moved manually to a second stop position to project the plunger head outwardly so as to permit a plunger kit to be attached thereto.