一种哑铃连接部件紧固装置
By designing a fastening device for the dumbbell connection components, and utilizing a combination of a fastening threaded sleeve and a locking hook, the problem of dumbbell wobbling during use was solved, achieving a stable connection of the dumbbell and improving its performance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUQIAN CHUBA SPORTS APP
- Filing Date
- 2025-06-09
- Publication Date
- 2026-07-17
AI Technical Summary
Existing dumbbells are prone to wobbling at the connecting parts during use due to their mounting method, which affects their performance.
A dumbbell connection fastening device was designed, including a dumbbell lever, a fixing block, a fastening threaded sleeve, a locking hook, and a fastening belt. The fastening threaded sleeve and the locking hook work together to compress and restrain the dumbbell, preventing it from shaking.
It effectively prevents the dumbbell from wobbling on the connecting parts, improving stability and safety, and enhancing the effectiveness of use.
Smart Images

Figure CN224506166U_ABST
Abstract
Claims
1. A dumbbell connection part fastening device comprising a dumbbell lever (1), characterized in that: A fixing block (2) is fixedly installed on the surface of the dumbbell lever (1), a dumbbell (3) is fitted on the surface of the dumbbell lever (1), a fastening thread (12) is provided on the surface of the dumbbell lever (1), a fastening thread sleeve (4) is threadedly connected to the surface of the dumbbell lever (1), a torsion block (5) is fixedly installed on the surface of the fastening thread sleeve (4), a locking hook (6) is fixedly installed on one side of the fastening thread sleeve (4), a connecting block (7) is fixedly installed on the surface of the fixing block (2), a fastening belt (8) is fixedly connected to one side of the connecting block (7), and a locking hole (9) is opened on the surface of the fastening belt (8).
2. A dumbbell connection component fastening device according to claim 1, characterized in that: The number of fixed blocks (2) is two, and the dumbbell (3) is located on one side of the fixed block (2).
3. A dumbbell connection component fastening device according to claim 1, characterized in that: The surface of the dumbbell lever (1) is provided with anti-slip grooves.
4. A dumbbell connection component fastening device according to claim 1, characterized in that: A sealing gasket is provided on the other side of the fastening threaded sleeve (4), and there are two fastening threaded sleeves (4).
5. A dumbbell connection component fastening device according to claim 1, characterized in that: The dumbbell lever (1) has insertion holes (13) at both ends, and the insertion holes (13) are threaded with protective insertion rods (14).
6. A dumbbell connection component fastening device according to claim 1, characterized in that: The dumbbell (3) has slots (10) on its surface and a weight mark (11) is fixedly installed on one side of the dumbbell (3).
7. A dumbbell connection component fastening device according to claim 1, characterized in that: The surface of the locking hook (6) is provided with an anti-slip sleeve, and the fastening belt (8) is made of nylon.