一种防喷溅的保温杯
By setting a trigger rod and a blocking block on the flip cover to control the vent, combined with a cavity structure and guide groove, the problem of liquid splashing in existing anti-splash thermos cups is solved, achieving good anti-splash effect and heat preservation performance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WUYI SENSI IND & TRADING CO LTD
- Filing Date
- 2025-07-25
- Publication Date
- 2026-07-17
AI Technical Summary
Existing anti-splash insulated cups still allow liquid to easily splash out when the lid is opened, especially when opened quickly, and the splashed liquid may adhere to the surface of the lid, affecting the user experience.
A splash-proof thermos cup was designed. By setting a trigger rod and a blocking block on the flip cover, and using a reset spring to control the opening and closing of the vent, combined with the cavity structure and guide groove, the gas and liquid are separated and backflowed to prevent liquid from splashing.
It effectively prevents liquid from splashing out of the straw, reduces droplet splashing, improves the user experience, and reduces air pressure through the cavity structure to improve heat preservation.
Smart Images

Figure CN224505121U_ABST
Abstract
Claims
1. A splash-proof vacuum cup comprising a cup body and a cup cover screwed on the cup body, characterized in that, The cup lid is hinged to a flip cover, which is fastened to the cup lid via a snap-on switch. The cup lid includes an upper top plate and a lower bottom plate, with a cavity formed between the upper top plate and the lower bottom plate. A first through hole and a second through hole are coaxially formed at the center of the upper top plate and the lower bottom plate, respectively. A straw connecting the cup body and the outside is provided in the first through hole and the second through hole. In addition, a receiving groove is formed at the top of the upper top plate, and a vent hole that vertically penetrates the upper top plate is formed at the end of the receiving groove. A trigger rod is provided in the receiving groove, and a blocking block and several sliding pillars are formed at the bottom of the trigger rod. A return spring is fixed in the sliding pillars. The blocking block cooperates with the vent hole to open or close the vent hole. A protrusion is formed at the bottom of the flip cover. When the flip cover is fastened to the cup lid via a snap switch, the protrusion presses against the trigger rod, causing the plug to close the vent hole. Conversely, when the flip cover is opened, the trigger rod and the plug are raised under the action of the return spring, and the vent hole is opened.
2. The splash-proof vacuum cup of claim 1, wherein, A first sealing ring is provided between the cup body and the cup lid, and a second sealing ring is provided between the cup lid and the flip cover.
3. The splash-proof vacuum cup of claim 1, wherein, The top plate and the bottom plate are both provided with guide grooves, so that the first through hole is located at the highest point of the bottom of the top plate and the second through hole is located at the lowest point of the top of the bottom plate.
4. The splash-proof vacuum cup of claim 1, wherein, The diameter of the second through hole is larger than the diameter of the first through hole, and the diameter of the first through hole is the same as the outer diameter of the straw.
5. The splash-proof vacuum cup of claim 1, wherein, The receiving groove is provided with two mounting seats. The sliding column slides up and down in the mounting seats. One end of the reset spring is fixed to the bottom of the mounting seat, and the other end is fixed to the inner bottom of the sliding column.
6. The splash-proof vacuum cup of claim 1, wherein, A tube plug is formed on the inner bottom of the flip cover, which is used to block the opening at the top of the straw when the flip cover is fastened to the cup lid.