3results about How to "Avoid deformation failure" patented technology

The utility model provides a kind of external hexagonal bolt of anti-loosening, including stud, screw head, nut, inner inflation hole, internal thread, inner inflation head and deformation groove, the stud and screw head are integrally set together, the stud is threadedly installed with nut, one end is provided with inner inflation hole, internal thread and deformation groove, the inner inflation head is threadedly connected with the internal thread of stud setting;The utility model improves strength by solid stud (no through hole);Circular array deformation groove cooperates conical inner inflation head, evenly expands to form stable interference when screwing, and the anti-loosening is superior to traditional;Inner inflation head integrally designed, screw rod is directly connected with internal thread, and installation is simple, stress is uniform.

The application relates to a low-temperature vacuumizing device and method for a vacuum cup with a temperature control component, wherein the device is provided with a vacuumizing box body; the vacuumizing box body is internally provided with a first heating module, a fixing tool for fixing and placing the vacuum cup with the temperature control component, and a second heating module for heating the sealing position of the bottom of the vacuum cup; the fixing tool comprises a support; the support is provided with a mounting station for fixing and placing the vacuum cup; the support is further provided with a temperature control plate; the temperature control plate is internally provided with a heat exchange channel for the flow of a heat exchange medium; the temperature control plate is provided with a penetrating hole through which the bottom of the vacuum cup can pass and form heat transfer contact with the vacuum cup; when the vacuum cup is placed on the mounting station, the temperature control component on the vacuum cup is not located between the bottom of the vacuum cup and the temperature control plate; and the temperature control device in communication with the heat exchange channel is further included. The application can meet the vacuumizing of the vacuum cup and effectively prevent the deformation and failure of the temperature control component on the vacuum cup.

The utility model discloses a fireproof sealing device for a compression door of a delivery window. The fireproof sealing device comprises a circle of front sealing groove formed along the inner wall of a front delivery window, a circle of rear sealing groove formed along the inner wall of a rear delivery window, a front fireproof sealing gasket matched with the front sealing groove in shape and a rear fireproof sealing gasket matched with the rear sealing groove in shape. The front fireproof sealing gasket and the rear fireproof sealing gasket each comprise an m-shaped soft sealing gasket body and a rectangular soft sealing gasket body, the bottoms of the m-shaped soft sealing gasket bodies are fixed to the tops of the rectangular soft sealing gasket bodies, hard fireproof inner cores are plugged in the rectangular soft sealing gasket bodies, the front fireproof sealing gasket is embedded in the front sealing groove, and the rear fireproof sealing gasket is embedded in the rear sealing groove. The m-shaped soft sealing gasket body is attached to the front pressing door, the rectangular soft sealing gasket body of the front fireproof sealing gasket is attached to the inner bottom of the front sealing groove, the rear fireproof sealing gasket is embedded in the rear sealing groove, the m-shaped soft sealing gasket body is attached to the rear pressing door, and the rectangular soft sealing gasket body of the rear fireproof sealing gasket is attached to the inner bottom of the rear sealing groove.