Hookah Head Locking Mechanism for Adjustable Charcoal Distance

Solution Overview

Problem

Existing water pipes, such as hookahs, suffer from insecure connections between the chimney attachment and the head, leading to potential detachment during use, and lack an effective mechanism to adjust the distance between the heat source and tobacco for optimal combustion.

Innovation Solution

Implementing a releasable locking mechanism, either via a bayonet fitting or threaded connection, to securely attach the chimney attachment to the head, allowing vertical adjustment of the distance between the charcoal and tobacco, enhancing stability and combustion control.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If a simple connection between chimney attachment and head is used, then ease of manufacture is improved, but connection stability deteriorates causing detachment during use

Engineering Contradiction:

Improveease of manufactureVSAvoidconnection stability

Core Design Contradiction:

Ease of manufactureVSReliability

Solution Approach 1:

The connection mechanism transitions from a static fixed position to a dynamic adjustable position. The chimney attachment can be moved vertically along the smoke column and locked at different heights, allowing users to adjust the distance between charcoal and tobacco for optimal combustion while maintaining secure connection through locking elements.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The water pipe arrangement is divided into separable components: the chimney attachment, smoke column, and head can be assembled and disassembled. The locking mechanism uses separate locking elements that engage with corresponding features on adjacent components, enabling secure connection while maintaining ease of assembly and disassembly.

Inventive Principle:

Principle #1Segmentation

2Reliability

If a fixed connection between chimney attachment and head is used, then connection stability is improved, but ability to adjust combustion process deteriorates

Engineering Contradiction:

Improveconnection stabilityVSAvoidcombustion adjustment capability

Core Design Contradiction:

ReliabilityVSAdaptability or versatility

Solution Approach 1:

The connection mechanism transitions from a static fixed position to a dynamic adjustable position. The chimney attachment can be moved vertically along the smoke column and locked at different heights, allowing users to adjust the distance between charcoal and tobacco for optimal combustion while maintaining secure connection through locking elements.

Inventive Principle:

Principle #15Dynamics

3Manufacturing precision

If a fine thread with small pitch is used, then manufacturing precision is improved, but ease of operation deteriorates due to binding and stiffness

Engineering Contradiction:

Improvethread precisionVSAvoidthread turning ease

Core Design Contradiction:

Manufacturing precisionVSEase of operation

Solution Approach 1:

The thread pitch parameter is changed from a fine pitch to a coarse pitch with larger spacing between threads. This coarse threading allows for easier manual operation and adjustment while still providing sufficient precision for controlling the vertical distance between components. The larger pitch reduces friction and binding during turning operations.

Inventive Principle:

Principle #35Parameter changes

4Ease of operation

If a coarse thread with large pitch is used, then ease of operation is improved, but manufacturing precision deteriorates

Engineering Contradiction:

Improvethread turning easeVSAvoidthread precision

Core Design Contradiction:

Ease of operationVSManufacturing precision

Solution Approach 1:

The thread pitch parameter is changed from a fine pitch to a coarse pitch with larger spacing between threads. This coarse threading allows for easier manual operation and adjustment while still providing sufficient precision for controlling the vertical distance between components. The larger pitch reduces friction and binding during turning operations.

Inventive Principle:

Principle #35Parameter changes

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 solution provides a secure and adjustable connection that prevents detachment and allows for precise regulation of heat transfer, ensuring consistent combustion and user control over the smoking or vaping experience.

Implementation Method 1

Implementing a releasable locking mechanism, either via a bayonet fitting or threaded connection, to securely attach the chimney attachment to the head

Methodology Applied

Scientific EffectMechanical Fastener: Mechanical Fastener

Implementation Method 2

the heat energy from the charcoal is directed towards the tobacco, burning it and producing smoke

Methodology Applied

Scientific EffectHeat transfer: Conduction (thermal)

Implementation Method 3

the heat energy from the charcoal is directed towards the tobacco, burning it and producing smoke

Methodology Applied

Scientific EffectThermal radiation: Thermal Radiation

Data Source

PatentEP4129091B1Water pipe arrangement

Publication Date: 2026.03.25 TURANLI SALIH

Figure 1
Figure 2a~2c
Figure 3a~3c

AI summary

The present invention relates to a water pipe assembly (1) comprising a water pipe with a bowl (2), a smoke column (4), an optional charcoal tray (5), and a head (6) mounted thereon, with an attachment (7) located on the head (6), wherein the attachment (7) laterally overlaps the head (6). According to the invention, the attachment (7) is detachably coupled to the head (6) in a form-fitting manner. The detachable locking mechanism is preferably implemented via a bayonet fitting or a coarse thread.