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US 2021/0262282 A1Published application
Power-assisted pulling device for roller shutter cover
AssigneeFoshan Bestwyll Auto Accessories Co., Ltd
InventorYong Xia
Life of this patent
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Abstract
The present disclosure discloses a power-assisted pulling device for a roller shutter cover. The device includes a canister. The top of the canister is fixedly connected with guide rails, and inner cavities of the guide rails are movably connected with a roller shutter. The present disclosure has the advantages that roller shutter leaves are rolled up smoothly and the roller shutter can be completely collected, and solves the following problem.
Claims8
A power-assisted pulling device for a roller shutter cover, comprising a canister (1), wherein the top of the canister (1) is movably connected with a roller shutter (3);
- the rear side of an inner cavity of the canister (1) is fixedly connected with a containing disc (4);
- a spiral orbit (5) is fixedly arranged on a side surface of the containing disc (4);
- the side surface of the containing disc (4) is provided with a bolt (6) in a penetrating manner, and the bolt (6) is in threaded connection with the containing disc (4);
- the surface of the bolt (6) is sleeved with a containing spring (7);
- a hanging hole (8) matching the containing spring (7) is formed in a side end of the top of the roller shutter (3);
- a top end of the containing spring (7) runs through the hanging hole (8);
- a servo motor (9) is fixed on one side of the inner cavity of the canister (1);
- a rotating shaft of the servo motor (9) is fixedly connected with a driving gear (10);
- and the driving gear (10) meshes the roller shutter (3).
6 more elements
Dependencies are inferred from the claim text.