87results about "Serving doors" patented technology

This utility model relates to the field of lifting door technology and discloses an electric lifting door for a small-space storage warehouse. It includes a lifting door frame, a lifting door panel slidably mounted on the lifting door frame, an extension groove on the rear side of the lifting door panel, a through-hole in the extension groove, an opening / closing plate installed in the extension groove, and a positioning component installed on one side of the opening / closing plate. The opening / closing plate is used to close and open the through-hole, and the positioning component is used to fix the position of the opening / closing plate when the through-hole is closed. This utility model overcomes the shortcomings of the prior art. By opening a through-hole on the lifting door panel, when retrieving a small quantity of material, it is not necessary to fully open the lifting door panel. The material can be retrieved by opening the opening / closing plate at the through-hole, reducing the area of ​​the storage space in contact with the external environment. Simultaneously, the horizontally arranged opening / closing plate can support the material during retrieval, providing convenience for workers.

The utility model particularly relates to a double-door storage cabinet, which belongs to the technical field of furniture supplies and comprises a cabinet body capable of being assembled and spliced, a cabinet door A is arranged on the front side of the cabinet body, one side of the cabinet door A is connected with the cabinet body in a hinged manner, so that the cabinet door A can be opened towards one side, a window is arranged on the cabinet door A, a cabinet door B is arranged at the window for covering, and the cabinet door A can be opened towards one side of the cabinet body. The cabinet door B is hinged to one side of the window, and the hinged position is close to the opened side of the cabinet door A and is opposite to the hinged position of the cabinet door A, so that the outward opening direction of the cabinet door B is opposite to that of the cabinet door A. The cabinet can be placed in a limited space such as a narrow space, so that the occupied space is reduced, and the cabinet can be taken and placed without completely opening the cabinet door A; the opening directions of the cabinet door A and the cabinet door B are opposite and are not limited by space, the cabinet door A and the cabinet door B can be opened by selecting the most suitable cabinet door and direction according to the limitation of actual space, and the convenience is greatly improved.

The invention relates to the technical field of metering boxes, and discloses a metering box convenient to maintain, which comprises a box body and a box door, the box door is rotatably connected to the box body, the box door is provided with a rotating rod, the rotating rod is slidably connected with a limiting ring, the limiting ring is provided with a limiting strip, the limiting strip is bent towards the closing direction of the box door, and the box body is provided with a fixing strip. The fixing strip can be located on the rotating path of the limiting strip, and the two opposite sides of the limiting strip are provided with a first face and a second face correspondingly. When the fixing strip abuts against the first face, the limiting strip limits closing of the box door. When the fixing strip abuts against the second face, the box door can be closed, a worker moves a limiting ring, so that the limiting strip can abut against the fixing strip, the limiting strip can drive the fixing strip to move, the limiting strip crosses the fixing strip and reaches the other side of the fixing strip, and at the moment, the fixing strip can limit movement of the limiting strip; therefore, the air is not easy to drive the box door to move, so that a worker can maintain the box door conveniently.

The utility model discloses a split type intelligent fireproof door which comprises a fireproof door body, a fireproof door frame is arranged on the surface of the fireproof door body, an escape channel is formed below the surface of the fireproof door body, fireproof hinges are fixedly connected to the bottoms of the two ends of the escape channel, and a lower door body is fixedly connected to the inner walls of the fireproof hinges. And the lower door body is used in cooperation with the escape channel, a storage groove is formed in the lower door body, and a rotating shaft is rotationally connected into the storage groove. Through cooperation of the fireproof door body, the fireproof door frame, the escape channel, the fireproof hinges, the lower door body containing groove, a large gear, a toothed plate, a locking groove, a sliding opening and a locking column, when normal opening cannot be achieved due to force majeure factors such as deformation of the door frame and failure of a lock in a fire disaster, an additional escape channel can be provided for personnel through the lower door body, and the fireproof door can be opened normally. And casualties caused by obstruction of evacuation are effectively avoided.