Juicer provided with opening/closing mechanism for remnants
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Solution Overview
Problem
Existing juicers face challenges in efficiently extracting juice from various materials, particularly green vegetables and high-viscosity fruits, and struggle with residue management, leading to inefficient juice extraction, cleaning difficulties, and safety concerns.
Innovation Solution
A juicer design featuring a draff control unit with an adjustable opening and closing plate, allowing for optimal compression force application and easy cleaning, along with a hermetically sealed mesh drum and a brush for efficient washing, enables improved juice extraction and residue management without frequent disassembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the mesh drum discharge hole is completely closed to prevent draff discharge, then juice extraction efficiency is improved, but cleaning difficulty increases and user convenience deteriorates
Solution Approach 1:
The patent applies the dynamics principle by making the mesh drum discharge hole opening degree adjustable rather than fixed. The opening and closing plate can be rotated to different positions (fully open, fully closed, or partially open) depending on the processing needs. This allows the system to dynamically adapt between maximizing juice extraction (when closed) and facilitating easy cleaning (when open), resolving the contradiction between productivity and ease of operation.
2Strength
If the opening and closing plate is made completely rigid to maintain structural strength, then durability is improved, but adaptability to different materials deteriorates
Solution Approach 1:
The patent applies the local quality principle by dividing the opening and closing plate into two distinct regions: a front portion made of elastic material that can deform to adapt to different material properties, and a rear portion made of rigid material that provides structural strength and durability. This localized differentiation allows the plate to simultaneously achieve both structural integrity and adaptability to various processing materials.
3Productivity
If high-speed crushing is used to increase juice extraction speed, then productivity is improved, but nutrient destruction increases
Solution Approach 1:
The patent applies the parameter changes principle by controlling the rotational speed of the feed screw to operate at low speed rather than high speed. This parameter adjustment allows the system to achieve effective juice extraction through prolonged contact time and gentle pressing action, thereby preserving nutrients while maintaining acceptable productivity levels.
4Object-generated harmful factors
If the feed screw rotates at low speed for gentle processing, then nutrient preservation is improved, but productivity decreases
Solution Approach 1:
The patent applies the merging principle by combining multiple functions into the opening and closing plate: it serves as both a discharge hole cover for controlling draff flow and as a pressing element that applies compression force to the materials. By integrating the pressing function into the discharge control mechanism, the system achieves effective juice extraction at low speeds without sacrificing productivity, as the pressing action compensates for the slower rotation.
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
The juicer achieves enhanced juice extraction efficiency, simplified cleaning, and reduced user inconvenience by allowing for adjustable draff control and easy residue discharge, ensuring optimal performance with different materials and maintaining hygiene.
Implementation Method 1
presses and crushes a raw material put into an inlet port or a feed tube at high speed and produce juice from the crushed material using a centrifugal separation method
Implementation Method 2
a front portion which is elastically deformable by a downwardly applied force of discharged draff
Data Source
Figure 1
Figure 2a~2b
Figure 2c
AI summary
The present invention relates to a juicer including a draff control unit. The juicer includes: a mainbody having a drive shaft configured to rotate; a housing opened at a top thereof and mounted at an upper portion of the mainbody, the housing including a juice outlet port and a draff outlet port formed at a lower portion thereof in such a manner as to be spaced apart from each other, and a draff descending hole formed on a bottom surface thereof so as to fluidically communicate with the draff outlet port; a cover configured to cover the top of the housing; a mesh drum mounted in the housing, opened at the top and bottom thereof, and having one or more mesh holes formed on a side wall thereof; a feed screw rotatably coupled to an upper portion of the mainbody in such a manner that the drive shaft of the mainbody is inserted into a lower end of the feed screw, and disposed in the mesh drum, the feed screw having screw blades protrudingly formed on the outer circumferential surface thereof; and a draff control unit including an opening and closing plate consisting of a rear portion and a front portion, the rear portion being elastically not deformable by a force applied downwardly by draff discharged to the draff outlet port through the draff descending hole and the front portion being elastically deformable by the force applied downwardly by draff, the opening and closing plate being configured such that it completely opens the draff outlet port, and such that in the case where the opening and closing plate closes at least partially the draff outlet port, the draff outlet port is selectively closed by either the front portion or the rear portion, or by a part of the front portion and a part of the rear portion.