3results about How to "Flexible and convenient" patented technology

The utility model discloses a jack box for a bus duct, which relates to the technical field of bus ducts and comprises a carrier plate, a jack box main body, an adjusting unit arranged between the carrier plate and the jack box main body and an adjusting and closing unit arranged on the jack box main body. The adjusting unit comprises a stand column, a vertical lead screw and a supporting block. According to the utility model, the transverse screw rod is controlled to rotate on the strip-shaped mounting groove at one side of the opening of the jack box main body, and one guide block in threaded connection with the transverse screw rod is stressed to drive the extension sleeve to translate in the strip-shaped mounting groove so as to adjust the exposed area; the cover plate is driven by the extension sleeve to help the U-shaped plug-in component to enter and exit from the plug-in box body for calling, the other guide block can slide and translate on the transverse guide rod to be matched with the extension sleeve and the cover plate for calling, and the cover plate can seal the plug-in box body when the plug-in component bracket is adjusted back. And the equipment calls a storage structure and a process for the plugging mechanism simply, conveniently and flexibly.

The utility model discloses a kind of sealing structure of maintenance window on sheet metal box, comprising: annular backing plate and cover, cover is set in the outside of maintenance window by annular gasket, specific setting mode is as follows: annular backing plate is provided with press-in screw, annular backing plate is provided with riveting installation hole, sheet metal box is provided with countersunk riveting installation via hole and press-in screw via hole around maintenance window, after press-in screw sleeve O type sealing ring, corresponding from the corresponding press-in screw via hole of sheet metal box, countersunk blind rivet is selected and set in the countersunk riveting installation via hole on sheet metal box and the riveting installation hole on annular backing plate, cover is provided with annular installation edge, annular gasket and the annular installation edge of cover are all provided with press-in screw via hole, press-in screw continues and passes through the press-in screw via hole of annular gasket and annular installation edge, after being provided with nut. The sealing structure of maintenance window in the utility model is applied on various sheet metal box.