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US 11,635,227 B2Granted
Opening and closing device, air duct assembly and air conditioner
AssigneesGd Midea Air-Conditioning Equipment Co., Ltd., Midea Group Co., Ltd.
InventorsJunhua Zhou, Shengchang Hu, Jiajun Wang, Huoxu Huang
Life of this patent
Estimating the term…
Abstract
An opening and closing device includes a door cover including a vent and an opening and closing member configured to be inserted into the door cover through an opening of the vent along an extension direction of the vent. The opening and closing member includes an air door and is movable between an open position at which the air door does not close the vent and a closed position at which the air door closes the vent.
Claims19
An opening and closing device comprising:
- a door cover including a vent;
- and an opening and closing member configured to be inserted into the door cover through an opening of the vent along an extension direction of the vent, the opening and closing member including an air door and being movable between:
- an open position at which the air door does not close the vent, and a closed position at which the air door closes the vent, wherein the air door includes:
- a closing member configured to close over and open the vent;
- and an insertion member connected with the closing member and configured to be inserted into the vent and movably nested in the vent, the insertion member including two inserts connected with the closing member, the two inserts extending toward the door cover, and one of the two inserts having a hollow tube shape.
2 more elements
An air duct assembly comprising:
- an air duct casing, an air circulation duct and a fresh air duct being formed in the air duct casing, and the air duct casing including an air supply outlet in communication with an air return inlet of the air circulation duct;
- a fan wheel provided in the air circulation duct;
- and an opening and closing device mounted at the air duct casing and configured to open and close the fresh air duct, the opening and closing device including:
- a door cover including a vent;
- and an opening and closing member configured to be inserted into the door cover through an opening of the vent along an extension direction of the vent, the opening and closing member including an air door and being movable between:
- an open position at which the air door does not close the vent, and a closed position at which the air door closes the vent;
- wherein the air door includes:
- a closing member configured to close over and open the vent;
- and an insertion member connected with the closing member and configured to be inserted into the vent and movably nested in the vent, the insertion member including two inserts connected with the closing member, the two inserts extending toward the door cover, and one of the two inserts having a hollow tube shape.
6 more elements
An air conditioner comprising:
- an air duct assembly including:
- an air duct casing, an air circulation duct and a fresh air duct being formed in the air duct casing, and the air duct casing including an air supply outlet in communication with an air return inlet of the air circulation duct;
- a fan wheel provided in the air circulation duct;
- and an opening and closing device mounted at the air duct casing and configured to open and close the fresh air duct, the opening and closing device including:
- a door cover including a vent;
- and an opening and closing member configured to be inserted into the door cover through an opening of the vent along an extension direction of the vent, the opening and closing member including an air door and being movable between:
- an open position at which the air door does not close the vent, and a closed position at which the air door closes the vent;
- and a heat exchanger provided in the air circulation duct, wherein the air door includes:
- a closing member configured to close over and open the vent;
- and an insertion member connected with the closing member and configured to be inserted into the vent and movably nested in the vent, the insertion member including two inserts connected with the closing member, the two inserts extending toward the door cover, and one of the two inserts having a hollow tube shape.
7 more elements
Dependencies are inferred from the claim text.