12results about How to "Guaranteed area" patented technology

This utility model provides a battery, a battery pack, and a battery device. The battery includes a shell, a cover plate, terminals, and an insulating component. The cover plate covers the opening of the shell to form the outer shell of the battery, and has mounting holes. The terminals pass through the mounting holes, with their end faces exposed. The insulating component is located between the outer periphery of the terminals and the inner edge of the mounting holes, providing insulation for the terminals and the cover plate. The end faces form welding positions for busbar welding. Since the minimum distance d1 between the insulating components and the heat deformation temperature k of the insulating components satisfy 300 mm·℃ ≤ d1*k ≤ 1900 mm·℃, the welding position area and weld length can be guaranteed, ensuring the current carrying capacity of the terminals and busbars, while preventing the insulating components from melting under the residual heat of welding, thereby ensuring the insulation performance of the insulating components.

The application discloses a stone curtain wall with an assembling structure and an assembling method thereof, and relates to the technical field of buildings. The stone curtain wall comprises a wall body, a keel assembly, a first stone plate, a second stone plate, an elastic sealing element and a lamp strip assembly. The second stone plate under the action of gravity is hung on the keel assembly by using the cooperation of each hook part and each hanging groove. Then, the elastic sealing element and the first stone plate are used to cooperate with the first hook part under the action of gravity, the tongue block of the second stone plate is clamped in the installation groove in the up-down clamping mode, the second stone plate is firmly installed, and the second inclined keel is effectively prevented from being fixed by manual work or other tools in the curing process of the back adhesive, the hollow space between the second stone plate and the second inclined keel is effectively reduced, the effective area and the bonding strength of the back adhesive are ensured. In addition, the lamp strip assembly is used as the corner assembling element between the stone plates in the stone curtain wall, the lamp strip assembly is organically integrated into the stone curtain wall, the stone curtain wall has the night scene function, and the structural strength of the stone curtain wall is improved.

The utility model discloses a fixing structure of a gypsum keel, which belongs to the field of keels for decoration, and is characterized in that a crossed screw rod fixing piece, a crossed fixing piece, an L-shaped fixing piece, an end part fixing piece and a butt joint fixing piece are matched with a gypsum keel structure compared with a traditional connecting piece; on the premise that the installation contact area and the stress area are guaranteed, the overall weight is reduced in cooperation with the gypsum keel. The device mainly comprises a gypsum keel, a crossed screw rod fixing piece and a crossed fixing piece, the crossed screw rod fixing piece and the crossed fixing piece each comprise a door-shaped frame body, extending lug plates are symmetrically arranged on the edges of the two sides of the door-shaped frame body of the crossed screw rod fixing piece and the door-shaped frame body of the crossed fixing piece, and gypsum keel fixing strips are arranged at the bottoms of the extending lug plates. Gypsum keel fixing strips are symmetrically arranged on the inner side of the door-shaped frame body of the fork screw fixing piece and the inner side of the door-shaped frame body of the cross fixing piece. The gypsum board fixing device is mainly used for fixing gypsum boards in decoration.

The present disclosure relates to a support for supporting an electronic device, comprising a support plate and an air cooling assembly. The support plate is used for supporting the electronic device and comprises a first surface and a second surface facing away from each other, the first surface faces the electronic device, and the air cooling assembly is arranged in the support plate. The air cooling assembly comprises an air flow driving part, an air inlet channel and an air outlet channel. The air outlet of the air flow driving part is arranged opposite to the first surface and has a first preset space with the first surface. The air inlet of the air flow driving part is arranged opposite to the second surface and has a second preset space with the second surface. The air outlet channel is communicated with the air outlet through the first preset space. The air inlet channel is communicated with the air inlet through the second preset space. The first surface is provided with an air outlet hole communicated with the air outlet channel. In this way, the air flow driving part can drive the air flow to blow out of the air outlet hole to cool the electronic device. By placing the air flow driving part horizontally in the support plate, the support plate is lightened and thinned.

The application provides a turbine guide vane and a throat area design and adjustment method thereof, and the method comprises the following steps: turbine guide vane aerodynamic and cooling structure design is performed; a three-dimensional geometric model of at least one cascade passage is established, the pressure and temperature of inlet gas and inlet cold gas are given, gas flow calculation is performed, the gas flow and a Mach surface in a hot cascade are obtained; the theoretical hot state throat area of the turbine guide vane is calculated; the heat insulation coating design of the turbine guide vane blade body and the rim plate flow channel surface is performed; the coating process test of the turbine guide vane is performed, the actual coating thickness of each characteristic position point is measured, the actual coating thickness is used to calculate the throat area of the turbine guide vane after the heat insulation coating is sprayed; the turbine guide vane is rotated at different angles around the blade radial direction, and the gas flow of the cascade passage under different angles is obtained; when the flow and the throat area meet the requirements, the throat area of the turbine guide vane with the coating under the rotation angle meets the gas flow requirement.

This invention relates to a transanal elliptical magnetic compression and unblocking component for treating rectal stenosis and its method of use, belonging to the field of medical devices. It includes an elliptical shell A, an elliptical shell B, a magnet component A, and a magnet component B. Magnet component A is embedded within elliptical shell A, and magnet component B is embedded within elliptical shell B. Under the action of magnet components A and B, elliptical shell A and elliptical shell B are attracted together, and their shapes are adapted to each other. This invention provides a transanal magnetic compression and unblocking device adaptable to different degrees and types of rectal stenosis. Through structural optimization, it improves the passageability and compression accuracy of the stenotic segment, solving the problem of rectal stenosis for patients and improving their quality of life.

The utility model relates to the field of batteries, and discloses a bottom shell and a cylindrical battery. The bottom shell comprises a bottom plate and a first annular reinforcing rib, and the first annular reinforcing rib is arranged on the edge of the bottom plate. The side, facing the bottom plate, of the first annular reinforcing rib protrudes to form a welding face, and the welding face is obliquely arranged relative to the plane where the bottom plate is located. The bottom shell provided by the utility model is provided with the first annular reinforcing rib, the first annular reinforcing rib is arranged at the edge of the bottom shell, the welding area is increased, the welding strength is ensured, and the extension mode of the welding surface enables the welding surface to be matched with the inclination angle of a tab or a collector piece; therefore, it is guaranteed that the bottom shell can be effectively attached to the electrode lug or the current collecting piece in the laser penetration welding process, the situations that explosion welding, gas leakage, the penetration depth and the penetration width do not meet the requirement and even welding cannot be conducted are avoided, the reliability of the welding quality is guaranteed, the penetration welding print diameter is increased, and the battery overcurrent capacity is improved.

The utility model relates to the technical field of photovoltaic equipment production, and discloses trimming equipment for photovoltaic equipment, which comprises portal frames, a trimming component is arranged below the portal frames, a stepping cylinder for driving the trimming component to descend to a trimming position is mounted in the center of the top of each portal frame, and a photovoltaic panel bottom support mechanism is further mounted between the portal frames. According to the trimming equipment for the photovoltaic equipment, through the unique design, the trimming equipment can adapt to trimming operation of photovoltaic modules of different sizes, the universality and flexibility of the equipment are improved, the supporting stability of the bottom support can be guaranteed, and the accuracy and reliability of the trimming process are guaranteed.

The application discloses a folding joint, which comprises an upper joint, a lower joint, a hinge shaft, a handle body and a tightening mechanism, one end of the handle body is provided with an eccentric part; the inner side walls of the upper joint and the lower joint are respectively provided with an upper locking groove and a lower locking groove, the tightening mechanism comprises a tightening block, an adjusting screw rod and an adjusting sleeve rod, one side of the tightening block is provided with a tightening part matched with the upper locking groove and the lower locking groove, the other side is provided with a ball socket groove, one end of the adjusting screw rod is provided with a ball head part, the other end is threadedly connected with the adjusting sleeve rod, the ball head part is matched with the ball socket groove in a spherical surface, and the tightening block can be universally swung. The folding joint disclosed by the application is matched with the ball socket groove of the tightening block in a spherical surface through the ball head part of the adjusting screw rod, the universal swinging capability of the tightening block is achieved, the sufficient occlusal area and the locking strength are effectively ensured, and the locking reliability is improved.

The application discloses a display panel, a preparation method thereof and a display device. The array substrate of the display panel comprises a plurality of heating wires and a plurality of first display signal lines which are arranged in different layers and cross each other. The heating wire comprises a first section and a second section arranged along a first direction. The vertical projection of the second section on a substrate is overlapped with the vertical projection of the first display signal line on the substrate. The area of the second section per unit length is smaller than the area of the first section per unit length along the first direction. The display panel, the preparation method thereof and the display device provided by the application reduce the area of the overlapped part of the heating wire and the first display signal line, reduce the parasitic capacitance formed between the heating wire and the first display signal line and the coupling power consumption, and improve the display effect and display performance of the display panel at low temperature under lower power consumption.

The application relates to a semiconductor device and a manufacturing method thereof. The semiconductor device comprises a substrate, a buried layer arranged in the substrate, a first well region arranged on the upper surface layer of the buried layer, a second well region arranged on the upper surface layer of the buried layer and partially in contact with the substrate, the second well region being located at the periphery of the first well region, a plurality of emitter lead-out regions and base lead-out regions arranged on the upper surface layer of the first well region and spaced apart from each other, a gate structure arranged on the upper surface of the substrate and comprising a gate, the orthographic projection of the gate on the first well region being staggered with the emitter lead-out regions, and a collector lead-out region formed in the upper surface layer of the second well region. The plurality of emitter lead-out regions are connected in parallel to lead out the emitter, and the gate and the collector lead-out region are connected in parallel to lead out the collector. The input voltage of the collector can be changed to control the gain current of the semiconductor device and the effective doping concentration of the emitter lead-out region.

The utility model discloses a kind of hot melting welding devices for plastic butt joint, including multiple support frames, multiple the support frame are all equipped with heating plate and fixed frame by cylinder respectively, connecting wire is installed on the heating plate, function block is fixedly arranged on the fixed frame, transmission chamber and rotating chamber are equipped in the function block, transmission shaft is rotatably arranged in the transmission chamber, power mechanism connected with transmission shaft is equipped on the fixed frame, screw rod extending into transmission chamber is rotatably arranged in the rotating chamber. The utility model is fixed from inside to outside by positioning plate, utilizes the annular structure of pipe material to bear internal force, can be fixed firm, can also avoid that external excessive pressure leads to pipe material deformation, ensure butt joint accuracy and internal flow area, guarantee use performance.