一种双层轮体复合脚轮
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HEBEI YINGGU CASTER CO LTD
- Filing Date
- 2025-08-20
- Publication Date
- 2026-07-17
Smart Images

Figure CN224510751U_ABST
Abstract
Claims
1. A double-layer composite caster, comprising a connecting disc (1), characterized in that: The bottom end of the connecting plate (1) is provided with a mounting base (2), and the lower side of the mounting base (2) is provided with a shockproof protection component (3). The shockproof protection component (3) includes a support frame (301) installed at the bottom end of the mounting base (2). A connecting rod (302) is installed on the inner side of the support frame (301). A mounting frame (303) is provided at the end of the connecting rod (302). Inner wheels (304) are installed at the left and right ends of the mounting frame (303). A shock-absorbing support rod (305) is installed at the top of the mounting frame (303).
2. A dual layer wheel body composite caster according to claim 1, wherein, The connecting rod (302) is rotatably connected to the support frame (301), the connecting rod (302) is welded to the mounting frame (303), a compression spring is provided on the outside of the shock-absorbing support rod (305), and the shock-absorbing support rod (305) is fixedly connected to the mounting base (2).
3. A dual layer wheel body composite caster according to claim 1, wherein, A limiting block (306) is welded to the left end of the inner wheel (304), and an outer wheel (307) is sleeved on the outside of the inner wheel (304). A limiting connecting groove (308) is provided on the left end of the outer wheel (307), and the outer wheel (307) and the inner wheel (304) fit tightly together.
4. A dual layer wheel complex caster according to claim 3, wherein, The surface of the outer wheel (307) is made of highly elastic rubber, and the rubber surface is provided with staggered anti-slip grooves.
5. A dual layer wheel complex caster according to claim 3, wherein, The limiting block (306) is equipped with a support spring (309) inside. The top of the support spring (309) is fixedly connected to a limiting pin (310). The limiting pin (310) passes through the outside of the limiting block (306) and the limiting connection groove (308). There are two sets of limiting pins (310).
6. A dual layer wheel complex caster according to claim 1, wherein, The mounting bracket (303) has a locking box (311) welded to its front end. A connecting slider (312) is movably connected to the inner side of the locking box (311). A locking block (313) is welded to the outer side of the connecting slider (312). A locking groove (314) is provided on the inner side of the inner wheel (304). A locking tooth is provided on the inner side of the locking groove (314). The locking block (313) and the locking groove (314) are meshed. There are two sets of locking blocks (313). The locking blocks (313) correspond one-to-one with the inner wheel (304).
7. A double-layer composite caster according to claim 6, characterized in that, A locking pressure plate (315) is provided on the upper side of the locking box (311). A locking top block (316) is welded to the bottom end of the locking pressure plate (315). The upper surface of the connecting slider (312) is inclined. The locking top block (316) penetrates into the interior of the locking box (311) and fits against the upper surface of the connecting slider (312). A reset telescopic rod (317) is installed between the connecting sliders (312). A tension spring is provided inside the reset telescopic rod (317).