31results about How to "Curvature adjustment" patented technology

The invention provides a curvature adjustment structure for a curved-surface liquid crystal displayer. The curvature adjustment structure comprises a back plate (1), at least one double-screw bolt (3) fixedly installed on the back plate (1), a support (5) corresponding to the double-screw bolt (3), and an adjustment nut (7) in screw-thread fit with the double-screw bolt (3), wherein the two ends of the support (5) abut against the back plate (1); the double-screw bolt (3) penetrates through the support (5) and then is matched with the adjustment nut (7), the support (5) is extruded or loosened through rotation of the adjustment nut (7), the back plate (1) is extruded or loosened through the support (5), curvature adjustment of the back plate (1) is realized, so that the curvature of the curved-surface liquid crystal displayer is adjustable and is convenient to adjust, the attraction of the curved-surface liquid crystal displayer to the market can be enhanced, and the curvature adjustment structure is simple in structure and easy to realize.

Provided is an optimization method of the bending of a wafer. The method includes following steps: the wafer is provided, a crystal surface SiN is formed on the front surface of the wafer, a crystal back SiN is formed at the backside of the wafer, the crystal surface SiN and the crystal back SiN are formed in the same furnace tube process, and the front surface of the wafer is processed to form anacid-corrosion-resistant protective layer on the front surface; and under the protection of the protective layer, at least a part of the crystal back SiN is removed by employing acid. According to the scheme of the method, the bending of the wafer can be adjusted, and the quality of process steps including subsequent bonding can be improved through reduction of adjustment of the bending of the wafer.

The invention discloses an artificial turf bent filament and a preparation method thereof, wherein the artificial turf bent filament comprises the components of 40-95 parts of polyethylene, 5-60 parts of polypropylene, 0.1-2 parts of antiaging agent and 0.01-5 parts of lubricant in parts by weight; the preparation method comprises the steps of 1) preparing the materials: weighing, mixing and melting the materials; 2) extruding: extruding the melt materials into a metering pump; 3) forming a monofilament: quantitatively feeding the materials to a spinning die head through the metering pump, spraying the monofilament, leading the monofilament to a drawing machine; 4) drawing: drawing the monofilament by the draft ratio of 3-6 times; 5) cooling: putting the drawn monofilament in a water bath; 6) preheating: preheating the cooled monofilament through a first heat roller and a second heat roller; 7) air deforming: bending the preheated monofilament for deformation, so as to obtain the artificial turf bent filament. The artificial turf bent filament is soft and comfortable, has a good touch feeling, and has the characteristics of sun block and aging resistance.

The invention provides a curvature-adjustable display device which comprises a backboard, a flexible display panel arranged on the backboard and a curvature control module. The backboard comprises a plurality of backboard units connected end to end. Each backboard unit comprises a connecting plate, a driving gear and a driven gear, wherein the driving gear and the driven gear are fixed to the two ends of the connecting plate respectively. Every two adjacent backboard units are connected through the corresponding driving gear and the corresponding driven gear which are meshed with each other. The rotating actions of the driving gears in the backboard units can be independently controlled through the curvature control module. The backboard is presented in a specific shape by adjusting the rotating amounts of the driving gears in the backboard units respectively, so that the flexible display panel is presented in a specific curvature along with the backboard, and thus the curvature of the display device is adjusted; the structure is simple, the thickness is small, and the curvature of the display device can be intelligently adjusted.

The invention discloses a flanging and circle-cutting all-in-one machine comprising a machine station, and a centering component, a controllable pitch component and a shearing component which are arranged on the machine station. The shearing component comprises a gear motor, an upper cutter shaft and a lower cutter shaft, and the upper cutter shaft and the lower cutter shaft are arranged in parallel, and driven by the gear motor to rotate; the rotation directions of the upper cutter shaft and the lower cutter shaft are opposite, and the end of the upper cutter shaft is provided with a first squeezing roller and a first cutter; the circumference of the first squeezing roller is sunken inward, and the end of the lower cutter shaft is provided with a second squeezing roller and a second cutter; the circumference of the second squeezing roller protrudes outward, and the position of the first squeezing roller is corresponding to the position of the second squeezing roller; and the positionof the first cutter is corresponding to the position of the second cutter. Compared with the prior art, the all-in-one machine disclosed by the invention has the advantages of stable working performance and high machining precision by arrangement of relevant structures.

The invention relates to the technical field of electric power transmission, in particular to a cable bending fixing structure. The fixing structure comprises a fixed shaft. Multiple limiting holes are arranged in the upper end of a first moving arm and the upper end of a second moving arm. Each of the first moving arm and the second moving arm is sleeved in a sleeve. Connection lugs are arranged on the sleeves. A support rod is movably connected between the connection lugs. Upper ends of the sleeves are in threaded connection with fixing screw rods which are in threaded connection with the limiting holes. End parts of the first moving arm and the second moving arm are movably connected with two symmetrically arranged clamp plates. End parts of the clamp parts are connected with connection plates. A locking screw is connected between the connection plates. According to the invention, bending degree of a cable can be adjusted according to working tasks; use range of the fixing structure is allowed to be quite large; and the fixing structure is suitable for working under all kinds of the installation tasks.

The invention discloses an adjustable focusing type illumination lamp based on curvature adjustment of a light gathering bowl; an upper lamp cylinder and a lower lamp cylinder of the illuminating lampare in threaded connection; a strip-shaped side hole is formed in the side wall of the upper lamp cylinder; a lead screw is arranged in the center of the bottom surface of a lamp stand; sliding chutes are formed in the inner wall of the upper lamp cylinder at intervals; the circumferential surface of the lamp stand is provided with protrusions at intervals; the lamp stand is arranged in the innercavity of the upper lamp cylinder and the protrusions are located in the sliding chutes; a focusing disc is screwed on the lead screw and is located at the position of the strip-shaped side hole; a lamp bead is arranged in the center of the top surface of the lamp stand; the bottom end of the elastic deformable light gathering bowl is connected with the top surface of the lamp stand and the lampbead is located in the center; the top surface of the elastic deformable light gathering bowl is provided with a flanging; the lampshade is connected with the top surface of the upper lamp cylinder through threads and the flanging is fixed between the lampshade and the top surface of the upper lamp cylinder; a rear cover is connected with the bottom surface of the lower lamp cylinder through threads; and a lithium battery is arranged in the inner cavity of the lower lamp cylinder and is connected with the lamp bead through a power switch. According to the illumination lamp in the invention, curvature adjustability of the light gathering bowl is realized, the light divergence and convergence range can be continuously controlled and improved, and multiple use of the illumination lamp is realized.

The embodiment of the invention provides a wafer curvature adjusting device and method. When a film deposited on a wafer arranged on a fixing body of the wafer curvature adjusting device is etched, the etching thickness of the film deposited on the wafer in the first direction is adjusted by heating a heating component of the wafer curvature adjusting device so as to adjust the curvature of the wafer in the first direction; and the heating component is arranged on the fixing body. Therefore, the adjustment of the curvature of the wafer in the specific direction can be realized.

The invention discloses a submarine cable bending protection system and device. The system comprises a central positioning protection device and a bending protection device which are sequentially arranged, the central positioning protection device comprises a protection body, the front end of the protection body is conical, the protection body is assembled on a submarine cable, and the protection body is used for assembling the submarine cable in a tail section of a bent pipe. A positioning protection assembly A and a positioning protection assembly B are sequentially installed on the outer wall of the protection body, and the positioning protection assembly A and the positioning protection assembly B are both in abutting fit with the inner wall of the bent pipe so that the submarine cable can be maintained at the center position of the tail section of the bent pipe.According to the submarine cable bending protection system provided by the invention, the central position of the submarine cable can be positioned, and the positioning is accurate, so the submarine cable can be effectively prevented from sliding off from the bent pipe; and according to the bending protection device, bending protection on the submarine cable can be achieved, meanwhile, bending degree adjustment can be achieved, double-effect protection is achieved, the submarine cable is small in swing amplitude and high in impact resistance, and the current use requirement is met.

The invention relates to the technical field of display, in particular to a cambered liquid crystal display device. The cambered liquid crystal display device comprises a base plate, a display screen,a cylinder fixing base, a telescopic cylinder, a support rod, a connecting block and a blocking column; pushing force is applied to the two ends of the display screen through the telescopic cylinder,under the action of the blocking column, the two ends of the display screen generate deformation forwards, and then curvature adjustment is achieved, and the visual experience is improved.

The invention provides a mitral valve repair system, and relates to the technical field of medical instruments. The mitral valve repair system comprises a conveying sheath tube, a guide tube, a puncture part and a supporting piece. The supporting piece is arranged at the outlet end of the conveying sheath tube; the guide tube is arranged in the conveying sheath tube, and the puncture part is movably arranged in the guide tube; the guide tube is used for guiding the puncture part to the outlet end of the conveying sheath tube and abutting against the supporting piece, and the puncture part is used for enabling the anterior lobe and the posterior lobe of the mitral valve to be connected. Compared with a conventional clamping repair method, the mitral valve repair system has the advantages that connection repair of the anterior lobe and the posterior lobe of the mitral valve is achieved through the puncture part, and the closing stability of the mitral valve and the use long-term effect of the mitral valve repair system are greatly improved. Moreover, the puncture part can be designed to be small and light, operation is convenient, interference to the heart is reduced, and operation safety is improved.

The invention relates to the technical field of display, particularly to a manufacturing method of a supporting mechanism of a curved surface liquid crystal display device. The manufacturing method comprises the steps of (1) structure and respective processing: preparing telescopic cylinders according to the prior art, forging cylinder fixing seats through a carbon steel material, and casting first supporting parts, second supporting parts and connecting blocks through a metal material; (2) pretreatment: putting the first supporting parts, the second supporting parts and the connecting blocksinto a tank solution to be pretreated, and after pretreatment, taking out, cleaning and drying the first supporting parts, the second supporting parts and the connecting blocks; and (3) follow-up assembly forming: firstly, assembling the first supporting parts, the second supporting parts and the connecting blocks together, then, mounting and fixing the first supporting parts and telescopic rods of the telescopic cylinders, mounting the telescopic cylinders on the cylinder fixing seats, and finally, mounting a display on the connecting blocks. According to the supporting mechanism of the curved surface liquid crystal display device and the manufacturing method thereof, the structure of the supporting mechanism is more compact through a reasonably designed manufacturing technology, and theservice life is longer.

The invention discloses a control method of electronic equipment and the electronic equipment and belongs to the technical field of communication. The electronic equipment comprises a display screen and a curvature adjusting structure, wherein at least one part of the display screen is a flexible display part, the curvature of the flexible display part is adjustable, the curvature adjusting structure is arranged below the display screen, and the curvature adjusting structure is arranged corresponding to the flexible display part. The method comprises the following steps of receiving curvature adjustment input of a user; in response to the curvature adjustment input, a curvature of the flexible display portion being adjusted by the curvature adjustment structure. The method is advantaged in that viewing difficulty of the display content of the flexible display part can be reduced.