4results about How to "Entry barrier" patented technology

The application discloses high-density polyethylene power pipeline and relates to the technical field of power pipeline. The high-density polyethylene power pipeline comprises connecting pipe heads, assembling components are arranged between the two connecting pipe heads, rotatable protection components are inserted into the assembling components, one end of the protection components is fixed to one of the connecting pipe heads, the assembling components comprise assembling half pipe bodies, two assembling half pipe bodies are arranged, assembling grooves are formed in the interiors of the two assembling half pipe bodies. The application is characterized in that a sandwich groove is formed in the interior of the power pipeline, and the protection components with foamed filling are arranged in the sandwich groove. When rainwater or sewage corrodes the pipeline and gas enters the interior of the pipeline, the foamed filling contacts the gas and expands to fill various positions in the interior of the pipeline, so that the simple repair of the corroded pipeline is completed, and the reentry of the gas, rainwater and sewage is further blocked, thereby indirectly prolonging the service life of the pipeline.

The application discloses a watch and an assembling method, and belongs to the technical field of watches, wherein the watch comprises a bezel mechanism and an ear mechanism, the bezel mechanism is provided with a first watchband seat, the ear mechanism is provided with a second watchband seat and a supporting seat, the second watch seat is installed in the circumferential direction of the supporting seat, a gap is formed between the second watch seat and the supporting seat, the gap is used for accommodating the first watchband seat, so that the outer wall of the first watchband seat is in abutment with the inner wall of the second watchband seat, the first watchband seat is provided with a buckle assembly, the supporting seat is provided with a positioning groove in the circumferential direction, and the positioning groove is used for accommodating the buckle assembly; the bezel mechanism is used for rotating with the ear mechanism; when the ear mechanism is installed or dismounted, only a certain torsion force needs to be applied to the bezel mechanism, the bezel mechanism is rotated relative to the ear mechanism, the first watchband seat is moved out of the gap, and the buckle assembly is separated from the positioning groove; so that the bezel mechanism is separated from the ear mechanism, and the ear mechanism can be quickly installed or dismounted.

The utility model discloses a window body with a gauze element, which belongs to the technical field of window body structures, and comprises a window frame, a window sash and the gauze element, the window sash is movably connected with the window frame, the window sash can be opened relative to the window frame and forms an air channel, and the window sash can be closed relative to the window frame and defines a storage cavity together; the other end of the gauze element is connected with the window sash; wherein the window body with the gauze element has an open state and a closed state; in the opening state, the window sash moves relative to the window frame to be opened, and the gauze is unfolded and laid in an air channel formed between the window sash and the window frame; in the closed state, the window sash moves relative to the window frame to be closed, the gauze element is folded and stored in the storage cavity, through linkage of the gauze element and the window sash, the gauze element is unfolded or folded along with opening and closing of the window sash, and hidden arrangement of the gauze element can be achieved.

The utility model provides a kind of distribution box filtering cooling system, it includes cabinet, multiple mutually isolated function compartments are equipped in cabinet, at least one air filter compartment is equipped.Air filter compartment top is equipped with air outlet, bottom is equipped with air inlet, fan is equipped at air outlet, and filter assembly is equipped in compartment along vertical direction.Adjacent function compartment partition is opened with airflow exchange hole, air inlet, filter assembly, airflow exchange hole and air outlet are sequentially communicated, form airflow passage through multiple function compartments, fan is located at the end of passage and drives airflow circulation.External air enters from bottom air inlet, and after multistage filtration, it becomes clean airflow, flows through each function compartment and carries away heat, is discharged by top fan, forms forced circulation.The scheme compared with tradition, can improve heat dissipation efficiency by directional airflow, avoid heat accumulation, and multilayer filtration can block dust, has excellent dustproof performance while high-efficiency heat dissipation, applicable to the working environment of much dust.