Bottle cap structure
Patent Information
- Authority / Receiving Office
- TW · TW
- Patent Type
- Utility models
- Current Assignee / Owner
- YONGFENG PHARMACEUTICAL CO LTD
- Filing Date
- 2025-08-28
- Publication Date
- 2026-08-01
Smart Images

Figure TWG2TB001904226_001 
Figure TWG2TB001904226_002 
Figure TWG2TB001904226_003
Abstract
Claims
1. A bottle cap structure comprising: A sealing element has a sealing plate for engaging a bottle mouth at the top of a bottle body. The top surface of the sealing plate has an upwardly protruding first snap-fit member, which has a plurality of first snap-fit portions arranged in a ring array. The bottom surface of the sealing plate has an upwardly recessed first channel, and a cut-off portion is provided between the periphery of the top of the first channel and the periphery of the bottom of the plurality of first snap-fit portions. A cap is provided for covering the sealing element. The cap has a second snap-fit member inside, which has a plurality of second snap-fit portions arranged in a ring array. The plurality of second snap-fit portions engage with the plurality of first snap-fit portions, allowing the cap and the first snap-fit member to be rotated synchronously to break the cut-off portion.
2. The cap structure of claim 1, wherein the top of any of the first snap-fit portions has a first guide portion, and the bottom of any of the second snap-fit portions has a second guide portion.
3. The bottle cap structure of claim 1, wherein the bottom surface of the sealing plate has a downwardly protruding positioning cylinder for inserting into and fitting the bottle mouth at the top of the bottle body; the interior of the positioning cylinder has a second channel communicating with the first channel, and the outer periphery of the positioning cylinder has a plurality of positioning parts arranged in a ring array for positioning the positioning cylinder.
4. The cap structure of claim 1, wherein the inner circumferential surface of the cap has a plurality of stops arranged in a ring array, the plurality of stops being located below the plurality of second latching portions for limiting the bottle mouth of the bottle body.
5. The cap structure of claim 4, wherein the seal further comprises a first engaging portion located at the center of the plurality of first engaging portions; the cap further comprises a second engaging portion located at the center of the plurality of second engaging portions, the first engaging portion engaging the second engaging portion.
6. The bottle cap structure of claim 5, wherein the first engaging portion includes a protruding post, the second engaging portion includes at least two symmetrical clamping portions, the protruding post is inserted between the at least two clamping portions, and the at least two clamping portions clamp the protruding post.
7. The bottle cap structure of claim 6, wherein the top of the protruding part has a third guide portion for guiding the protruding part to pass between the at least two clamping portions.
8. The cap structure of claim 6 or 7, wherein the bottom end of any of the clamping parts has a fourth guide for guiding the protruding part to pass between the at least two clamping parts.
9. The cap structure of claim 5, wherein the top surface of the sealing plate has an upwardly protruding base, the top surface of the base has the first snap-fit member and the first engaging portion, the interior of the base has the first channel, the outer periphery of the base has a plurality of support ribs arranged in a ring array, and the bottom surface of the plurality of support ribs is engaged with the top surface of the sealing plate.