Water pipe connecting structure for water heater and water heater
By employing a combination structure of insulating substrate and embedded parts in the water heater, and using locking planes and limiting grooves to prevent the embedded parts from rotating, the problems of water leakage and electric shock caused by the separation of metal parts from plastic screw heads are solved, thereby improving structural strength and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- QINGDAO ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE HAIER WATER HEATER CO LTD
- Filing Date
- 2025-05-30
- Publication Date
- 2026-07-07
AI Technical Summary
In existing water heaters, the rotation of the metal parts relative to the plastic screw head causes the metal parts to separate from the plastic screw head, creating a gap that poses a safety hazard of water leakage and electric shock.
The structure employs a combination of an insulating substrate and an insert. The insert has a locking plane and a limiting groove. When subjected to torque, the locking plane presses against the insulating substrate to prevent the insert from rotating relative to the insulating substrate, thereby enhancing structural strength and preventing the formation of gaps.
It effectively prevents rotation and movement between the insert and the insulating substrate, avoids water leakage and ensures safe use, thus improving the safety and reliability of the water heater.
Smart Images

Figure CN224470457U_ABST