Door stopper for mine workshop
The utility model relates to a door stopper for a mine workshop, and belongs to the field of door closing limiting devices. The door clamp for the mine workshop comprises limiting blocks and a door opening control device, and the limiting blocks are installed on the inner side and the outer side of...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model relates to a door stopper for a mine workshop, and belongs to the field of door closing limiting devices. The door clamp for the mine workshop comprises limiting blocks and a door opening control device, and the limiting blocks are installed on the inner side and the outer side of a door plate respectively and connected with the door opening control device. According to the utility model, the limiting blocks connected with the counterweight base through the springs are arranged at the top opening of the box body at the inner side and the outer side of the door plate, the electromagnets connected with the circuit are arranged below the limiting blocks, and the pedal arranged on the ground is connected with the switch through the connecting rod, so that the on-off of the circuit can be controlled through the pedal; semi-automatic control over opening and closing of the door plate can be achieved, two-way door opening can be achieved, the structure is simple, use is convenient, time and labor a |
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