Adjustable cooling necklace
By designing an adjustable collar structure and utilizing a flexible self-holding adjustment bar and a flexible tube stop, the problem of non-adjustable collar size in existing collars has been solved. This allows the same collar to fit users of different body types, reducing economic costs and wearing risks, and improving ease of use and comfort.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN HONGBANG GIFTS
- Filing Date
- 2025-09-01
- Publication Date
- 2026-07-21
AI Technical Summary
The existing cooling collars are not adjustable in size, which means that users need to buy multiple sizes for different body types, increasing economic costs and storage space, while also posing discomfort and health risks.
Design an adjustable collar with a non-closed ring structure and a built-in flexible self-holding adjustment bar. The size of the collar opening can be changed by adjusting the bar to adapt to different body shapes. Flexible tubes and stoppers are used to prevent the adjustment bar from falling out. The inner cavity is filled with phase change material.
It enables the same bra to fit users of different body types, reducing repeated purchases and storage space, improving wearing convenience and comfort, reducing health risks, and ensuring the stability of the cooling effect.
Smart Images

Figure CN224522528U_ABST