Loose-leaf switch manhole door and chemical equipment
The utility model discloses a hinge opening and closing manhole door and chemical equipment, the hinge opening and closing manhole door comprises a door plate, a movable hinge, a base and a locking mechanism used for selectively locking the door plate and the base, the base is provided with a first...
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| creator | DING LEI WU TIANHAI YU SANDONG HUANG SIYUAN CHEN JIAN HU ZHIQIANG LIANG HETAO YUAN ZHONG YI ZHIYUAN ZHOU WENZHENG ZHAO XINGLONG |
| description | The utility model discloses a hinge opening and closing manhole door and chemical equipment, the hinge opening and closing manhole door comprises a door plate, a movable hinge, a base and a locking mechanism used for selectively locking the door plate and the base, the base is provided with a first opening end connected with a chemical equipment main body and a second opening end used for being sealed with the door plate, the door plate is provided with a concave sealing packing groove used for being matched with the end face of the second opening end of the base, packing is arranged in the concave sealing packing groove, and one end of the door plate is movably hinged to the base through the movable hinge. The sealing groove and the end face of the base are nested through the door plate to serve as a sealing face, and compared with an existing manhole door plane graphite packing and screw rod sealing, the manhole door is high in sealing reliability. Compared with an existing manhole door, the movable hinge d |
| format | Patent |
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The sealing groove and the end face of the base are nested through the door plate to serve as a sealing face, and compared with an existing manhole door plane graphite packing and screw rod sealing, the manhole door is high in sealing reliability. 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The sealing groove and the end face of the base are nested through the door plate to serve as a sealing face, and compared with an existing manhole door plane graphite packing and screw rod sealing, the manhole door is high in sealing reliability. 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The sealing groove and the end face of the base are nested through the door plate to serve as a sealing face, and compared with an existing manhole door plane graphite packing and screw rod sealing, the manhole door is high in sealing reliability. Compared with an existing manhole door, the movable hinge d</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
| recordid | cdi_epo_espacenet_CN218598071UU |
| source | esp@cenet |
| subjects | BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS ORWINDOWS DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS KEYS LADDERS LOCKS SAFES WINDOW OR DOOR FITTINGS |
| title | Loose-leaf switch manhole door and chemical equipment |
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