Split-Type Massage Nozzle for Hot Tub Wall Mounting
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Solution Overview
Problem
Traditional massage nozzles for hot tubs have design limitations, including protrusion issues, inconvenient installation, and high production costs due to the need for multiple molds for different specifications and layouts, which restricts flexibility and convenience.
Innovation Solution
A split-type massage nozzle with a detachable housing and nozzle core, featuring a cover, nozzle seat, and fastener system that allows for flexible installation without recesses in the wall, using sealing elements for secure attachment and reducing overall thickness for a sleek appearance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the nozzle housing is fixed on the wall with a locking nut and O-ring seal, then the nozzle is securely installed, but the nozzle protrudes unduly high above the wall
Solution Approach 1:
The nozzle housing is divided into multiple parts: a base plate that contacts the wall, a decorative cover that provides the sealing surface, and a nozzle body. This segmentation allows the sealing function to be separated from the protruding structure, enabling the nozzle to be secure while minimizing protrusion height.
Solution Approach 2:
The sealing mechanism is moved from the protruding dimension to the wall-mounted dimension. The decorative cover with its sealing ring seals against the wall surface in a different dimensional plane, allowing the nozzle to protrude minimally while maintaining secure sealing through the base plate and cover assembly.
2Stability of the object's composition
If the nozzle core cover completely covers the nozzle housing, then the structure is enclosed, but the user has to hold the cover to rotate it which is inconvenient
Solution Approach 1:
The nozzle assembly is segmented into a fixed decorative cover and a rotatable nozzle core. The cover remains stationary and provides structural enclosure, while the nozzle core can be independently rotated by the user without needing to hold the cover, improving operational convenience.
Solution Approach 2:
The rotational function is extracted from the cover and assigned to the nozzle core only. The cover serves solely as a fixed enclosure and decorative element, while the nozzle core contains all rotational mechanisms, allowing users to rotate only the necessary component.
3Length of moving object
If recesses are formed in the wall to accommodate the nozzle, then the nozzle installation height is reduced, but the installation position and size become fixed which reduces flexibility
Solution Approach 1:
The base plate is designed as a universal mounting component that can be installed on various wall surfaces and at different positions without requiring pre-formed recesses. The adjustable positioning features and multiple mounting hole patterns enable the same nozzle assembly to adapt to different installation scenarios while maintaining consistent low protrusion height.
Solution Approach 2:
The mounting system incorporates adjustable and reconfigurable elements in the base plate that allow the nozzle position to be dynamically adjusted during installation and potentially repositioned later, transforming the static fixed-position installation into a dynamic adaptable mounting system.
4Adaptability or versatility
If different vacuum molds or injection molds are used for different nozzle specifications and layouts, then the installation pits can be customized, but the production cost increases due to the large number of molds required
Solution Approach 1:
A single universal base plate design with standardized mounting features and adjustable positioning capabilities can accommodate multiple nozzle specifications and layout configurations. This eliminates the need for different molds for each application, as the same base plate can be adapted to various installation requirements through configuration rather than customization.
Solution Approach 2:
The nozzle system is segmented into standardized components (base plate, decorative cover, nozzle core) that can be independently manufactured using standard molds. The adaptability is achieved through the configuration and arrangement of these standardized segments rather than through custom-molded integrated parts, significantly reducing mold requirements.
Data Source
AI summary
A massage nozzle includes a nozzle housing and a nozzle core detachably attached in the nozzle housing. The nozzle housing is split-type and includes a cover mounted in a hole of a wall of a hot tub, a nozzle seat and a fastener. The cover includes an end ring and a side wall extending from the end ring. The side wall is conformed with the hole. The nozzle seat includes an inlet and a spray end which has a surface conformed with the side wall. The nozzle seat passes through and detachably connects with the cover. The outer circumferential surface of the spray end contacts with an inner surface of the side wall. The fastener is detachably sleeved on the outer circumferential surface of the nozzle seat and cooperates with the cover to fix the nozzle seat to the hot tub. The installation is convenient and the cost is reduced.