Soap dispenser

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Solution Overview

Problem

Conventional soap dispensers face safety hazards, are vulnerable to theft, and are inconvenient to replace, which affects their durability and user experience.

Innovation Solution

A soap dispenser design featuring a fixing bracket, locking mechanism, pivot, position-limiting bracket, back plate, base, soap bottle, and a magnetic unlocking device, which provides an anti-theft function, convenient replacement, and enhanced safety.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a conventional soap dispenser is used, then it is simple in structure and easy to manufacture, but it is vulnerable to theft and has safety hazards

Engineering Contradiction:
Improveanti-theft safetyVSAvoidstructure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The soap dispenser is divided into separate functional modules: a fixed mounting bracket system and a detachable dispenser body. The mounting bracket includes a fixing bracket, position-limiting bracket, and locking mechanism that remain permanently installed, while the dispenser body can be easily removed and replaced. This segmentation allows the anti-theft features to be built into the fixed portion without making the entire device complex.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

A magnetic locking mechanism serves as an intermediary between the fixed mounting bracket and the dispenser body. The magnetic block in the mounting bracket interacts with the iron block in the dispenser body to provide secure locking, while the magnetic unlocking device allows easy separation when needed. This intermediary mechanism provides anti-theft security without requiring complex mechanical locks or fasteners.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If a locking mechanism is added to prevent theft, then safety is improved, but the replacement process becomes inconvenient

Engineering Contradiction:
Improveanti-theft securityVSAvoidreplacement convenience
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The traditional mechanical locking system (screws, bolts, or complex latches) is replaced with a magnetic locking mechanism. The magnetic block and iron block provide secure locking through magnetic attraction, while the magnetic unlocking device allows the dispenser body to be easily separated by simply removing the magnetic holding force. This substitution eliminates the need for tools or complex manual manipulation during replacement.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The magnetic locking mechanism provides automatic locking and unlocking functionality. When the dispenser body is mounted, the magnetic block automatically attracts the iron block to secure the connection. When replacement is needed, the magnetic unlocking device automatically releases the magnetic hold, allowing the dispenser body to be easily removed without manual intervention in the locking mechanism itself.

Inventive Principle:
Principle #25Self-service

3Duration of action of stationary object

If the soap dispenser is made of pure metal material, then it is durable and recyclable, but it increases manufacturing cost

Engineering Contradiction:
ImprovedurabilityVSAvoidmanufacturing cost
Core Design Contradiction:
Duration of action of stationary objectVSEase of manufacture

Solution Approach 1:

The soap dispenser uses composite material construction, combining pure metal components (mounting bracket, position-limiting bracket, locking mechanism) with other materials (dispenser body, magnetic components). The pure metal parts are used specifically for structural integrity, durability, and recyclability where needed, while other materials are used for functional components. This selective use of pure metal reduces overall manufacturing cost while maintaining durability and recyclability of the critical structural elements.

Inventive Principle:
Principle #40Composite materials

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 design enhances safety and security by preventing theft, simplifies the replacement process, and ensures the soap bottle is securely locked and easily accessible, making it suitable for public spaces.

Implementation Method 1

a magnetic block is provided on the magnetic unlocking device, the magnetic block is configured to attract the iron block to compress the spring to approach the top of the hollow chamber

Methodology Applied
Scientific EffectMagnetic attraction: Magnetism

Implementation Method 2

one end of the spring abuts against the top of the hollow chamber, and the other end of the spring abuts against the iron block

Methodology Applied
Scientific EffectElastic potential energy: Elasticity

Implementation Method 3

the position-limiting bracket is connected with the second bracket by the pivot

Methodology Applied
Scientific EffectRotational motion: Hinge

Data Source

PatentEP4555906A1Soap dispenser
Publication Date: 2025.05.21 JIANGSU OPPEAL DAILY COSMETICS CORP LTD
  • EP4555906A1 patent drawingFigure 1~2
  • EP4555906A1 patent drawingFigure 3~4
  • EP4555906A1 patent drawingFigure 5

AI summary

A soap dispenser is provided according to the present application, which includes a fixing bracket, a locking mechanism, a pivot, a position-limiting bracket, a back plate, a base, a soap bottle and a magnetic unlocking device. The fixing bracket includes a first bracket, a connecting plate and a second bracket, and a locking hole is defined on the second bracket. The locking mechanism includes a lock body, a lock cap, a spring, an iron block and a lock rod. An internal hollow chamber is defined by the lock body and the lock cap, the hollow chamber is in communication with the locking hole, the spring abuts against the iron block, the lock rod is arranged on the iron block, and the lock rod is extendable to extend through the locking hole. The position-limiting bracket has a front hook portion, a locking groove is defined on the position-limiting bracket, the position-limiting bracket is connected with the second bracket by the pivot, and the bottom of the lock rod is extendable into the locking groove. One end of the back plate is connected with the second bracket, and the other end of the back plate is connected with the base. The base is configured to bear the soap bottle. The magnetic unlocking device is configured to attract the iron block to compress the spring to approach the top of the hollow chamber, so that the bottom of the lock rod is disengaged from the locking groove. The prevent invention has an anti-theft function, and is convenient and fast to replace the soap bottle.