55results about How to "Avoid excessive gaps" patented technology

A flexible display includes a plurality of pixel chips, chixels, provided on a flexible substrate. The chixels and the light emitters thereon may be shaped, sized and arranged to minimize chixel, pixel, and subpixel gaps and to provide a desired bend radius of the display. The flexible substrate may include light manipulators, such as filters, light convertors and the like to manipulate the light emitted from light emitters of the chixels. The light manipulators may be arranged to minimize chixel gaps between adjacent chixels.

There is described a blade for a turbomachine, such as a steam turbine. The blade has a blade tip, which is curved in relation to the blade airfoil profile. The curvature has the shape of a winglet, which is known from aircraft construction.

The embodiment of the invention discloses a highlight maintaining method for a liquid crystal display. According to the maintaining method, a color diaphragm plate of the liquid crystal display is maintained and comprises a base plate as well as a black matrix and red-green-blue color diaphragms arranged on the base plate, wherein red-green-blue color diaphragms are separated by the black matrix, and laser is utilized for implementing the following steps of: ageing the color diaphragms of sub pixel points to be maintained and the black matrix at the peripheries of the sub pixel points; forming seams between the color diaphragms and a glass base plate; granulating the black matrixes at the peripheries of the color diaphragms to generate black particles; dispersing the black particles at the peripheries of the color diaphragms into the seams; using the laser with the strength being 12-17A.U if the color diaphragms of the sub pixel points are blue in the process that the seams are formed between the color diaphragms and the glass base plate; using the laser with the strength being 17-19A.U if the color diaphragms of the sub pixel points are green in the process that the seams are formed between the color diaphragms and the glass base plate; and using the laser with the strength being 23-25A.U if the color diaphragms of the sub pixel pints are red in the process that the seams are formed between the color diaphragms and the glass base plate. The highlight maintaining method is applied to the improvement of the highlight maintenance.

In a first step of this method, a first intermediate product 42 having a coupling portion forming portion 16d and flat portions 21 is produced. In a second step, there is produced a second intermediate product 44 which is larger in the bending depth of the coupling portion forming portion 16d and is smaller in width of the flat portions 21 than the first intermediate product 42. In a third step, a third intermediate product 36 having the coupling portion forming portion 16d, sloping flat portions 34, and narrow flat portions 35 is produced. In a fourth step, the sloping flat portions 34 of the third intermediate product 36 are pressed obliquely upward so as to cause the material to move to the boundaries between the sloping flat portions 35 and the side walls of the coupling portion forming portion 16d, to thereby produce a fourth intermediate product 37. In a fifth step, the side walls of the coupling portion forming portion 16d, the sloping flat portions 34 and the narrow flat portions 35 of the fourth intermediate product 37 are pressed from the upper and lower sides, to thereby form a fifth intermediate product 39 in which burrs 38 are formed at the opening-side end portions of the side walls of the coupling portion forming portion 16d. In a sixth step, the burrs 38 are removed, whereby a casing structural member 16 produced. This method enables manufacture of casing structural members which can prevent leakage of fluid.

A conveyor device for conveying articles includes: travel units, trays provided for the respective travel units, and infill plates, each covering a clearance left between the trays. A swing bar supports the infill plate so as to vertically swing the infill plate and is provided at a position shifted by a predetermined distance L in a direction opposite to the traveling direction of the travel unit from the position of a coupler connecting the travel unit supporting a plate-tilting shaft and the travel unit traveling ahead, the plate-tilting shaft supporting the infill plate so as to laterally tilt the infill plate.

The invention relates to a valve guide pipe. The valve guide pipe comprises a guide pipe body, wherein a through hole is arranged in the guide pipe body along the axial direction of the guide pipe body; a plurality of oil storage grooves are arranged in the surface of the through hole; a boss is arranged on the outer surface of the guide pipe body; an oil injection port is arranged in the boss and communicates with an oil storage groove; externally tangential surfaces are arranged on the outer walls of ports in the two ends of the guide pipe body; an internally tangential surface is arranged on the inner wall of the port in one end of the guide pipe body; and a groove structure is arranged on the inner wall of the other port. According to the valve guide pipe disclosed by the invention, lubricant oil is input in the oil storage groove through the oil injection port, thus wear of a valve rod due to insufficient lubrication with the valve guide pipe during cold start is reduced; meanwhile, a part of the lubricant oil can be stored on an inner cutting surface, thus formation of oil film lubrication between the valve guide pipe and the valve rod is benefited, and conduction of heat to a cylinder cover from the valve rod through the valve guide pipe is facilitated; and in addition, a sharp corner generated by the inner wall of the groove structure has a scraping function, and coking and carbon deposition already formed by the valve rod and the valve guide pipe part are removed and prevented from entering the valve guide pipe.

The invention relates to a wind power generation impeller. The wind power generation impeller comprises a rotating shaft, blades, a fixed connecting piece and an adjustable connecting piece, wherein the fixed connecting piece comprises a fixed base and first connecting strips; the adjustable connecting piece comprises a movable base and second connecting strips, the fixed base and the movable baseare arranged at the two ends of the rotating shaft correspondingly, the movable base is in threaded connection with the rotating shaft, the blades are arranged between the fixed base and the movablebase; each blade is connected with the fixed base through the first connecting strips, and the first connecting strips are rotationally connected with the blades, the first connecting strips are rotationally connected with the fixed base; each blade is connected with the movable base through the second connecting strips, the second connecting strips are rotationally connected with the blades, andthe second connecting strips are rotationally connected with the movable base. The invention has the beneficial effects that the fixed connecting piece and the adjustable connecting piece are used forconnecting the blades, when a angle of the blades needs to be temporarily adjusted, the adjustable connecting piece can be utilized, so that a current wind direction and wind power can be better adapted; and the capability of capturing wind energy is improved.

The invention relates to a battery cover installation structure and a terminal device. The installation structure comprises a first magnetic pole and a second magnetic pole arranged corresponding to the first magnetic pole, wherein the first magnetic pole is arranged on a device body of the terminal device; the second magnetic pole is arranged on a battery cover of the terminal device; and the device body and the battery cover are connected through magnetic force of the first magnetic pole and the second magnetic pole. The uninstallation difficulty of the battery cover is lowered and the problem of an excessively large gap between the device body and the battery cover caused by improper fastening is avoided.

The invention discloses a planning method for a prepreg tape laying track based on a specified geodesic curvature. The planning method comprises the following steps: inputting a three-dimensional model of a curved surface of a to-be-laid mold, the position of an initial point P0 of the prepreg tape laying track, a unit tangent vector T0 of the prepreg tape laying track at the initial point P0, a calculation step length h and a specified geodesic curvature value kg; calculating extension directions and relative arc length change rates of the initial point and the test point; the method comprises the following steps of: obtaining an initial point P0, averaging the initial point P0, then obtaining an adjacent point P1 of the initial point P0, replacing the initial point P0 with the adjacent point P1, repeating the steps to obtain subsequent discrete points, and performing Hermite interpolation on the discrete points for three times in sections to generate a smooth and continuous prepreg tape laying track based on the specified geodesic curvature. The method disclosed by the invention can be applied to a non-developable curved surface, and the precision of trajectory planning is ensured.

The invention provides a gap magnetic adsorption universal wheel which comprises a connecting frame, a driven wheel and a supporting bearing. A wheel shaft used for installing the driven wheel is arranged at one end of the connecting frame, the driven wheel is installed at the two ends of the wheel shaft, and the other end of the connecting frame is rotationally connected with a robot through thesupporting bearing; a magnet is further installed at the end, close to the driven wheel, of the connecting frame, and containing spaces for containing gaskets of different sizes are formed between themagnet and the connecting frame. According to the gap magnetic adsorption universal wheel, the problem that the resistance is too large when the robot steers can be solved, and certain adsorption force is provided for the robot through the magnet while the robot moves flexibly.

The invention discloses a cold and hot water faucet. The cold and hot water faucet comprises a cold and hot water faucet body, a cold water channel, a hot water channel, a water outlet channel, a cold water flow adjusting valve and a hot water flow adjusting valve. Valves are respectively arranged on the cold and the hot water channel. Screws and a screw shaft are respectively arranged on sections, intersected with the water outlet channel, of the cold water channel and the hot water channel. The screws are respectively coupled and fixed on the same screw shaft or the screws are integrated with the screw shaft. A guide wheel is arranged between the two screws and on a section, intersected with the water outlet channel, of the cold water channel and the hot water channel. When the valves are all switched on, flows of cold water and hot water are basically identical, pressure difference between the cold water and the hot water is effectively adjusted. When a user turns on other faucets on a same pipeline, only total flow is reduced, adjusted proportion between the cold water and the hot water is basically not changed, thus the temperature of water is effectively controlled.

The invention discloses a copper stranded wire crimping structure, including a workbench and two rows of side pressure rollers, a support plate is also arranged on the workbench, a sleeve is installed on one side of the support plate, and a sleeve and sleeve are opened on the support plate. Concentric tapered holes, threads are provided on the straight section, the sleeve is threaded with the straight section, the tapered hole is matched with the enlarged section, and the end of the extended section is connected with a pressing roller. The inner diameter of the enlarged section Incremental along the axis of the sleeve pointing toward the roller. When the copper stranded wire jumps radially due to factors at the power output end, the groove on the pressing roller directly contacts the copper stranded wire, and at the same time, the straight section of the connecting rod is in contact with the sleeve by rotating the connecting rod back and forth. The thread fits to make the lower pressure roller reciprocate in the horizontal direction, that is, to adjust the left and right swing of the copper strand at any time to increase the tension of the copper strand itself, so as to avoid the part that enters the reel too loosely and cause the twisting after turning. The gap between layers of copper strands is too large.

The invention provides a production technique of a shrinkage prevention glue-free floor made of a novel combined material and relates to the technical field of floors. The production technique comprises the following steps that (1) a PVC decorative surface of a PVC decorative material is prepared; (2) natural cork wood chips, rubber and assistants are fused at a high temperature and subjected to tabletting to prepare a soft base material; (3) the soft base material is soaked in liquid paste resin, scraped to be flat and then dried at a high temperature; and (4) in the manufacturing process, the soaked and dried soft base material, a PVC backing material, the PVC decorative surface and an abrasion-resisting layer are sequentially stacked into a stacked body, and then an upper graining board and a lower graining board are used for conducting hot press molding on a flat-bed press. In the using process, arching and excessive gaps caused by expansion and shrinkage can be avoided; the adsorption effect to the ground is good, no glue is needed during construction, and the floor can be adsorbed to the ground directly; any single floor can be lifted after laying, and replacement and single floor cleaning are facilitated; no glue is needed for hot press molding during manufacturing, and the product is environmentally friendly and safe; and the material is soft, the sound absorption effect is quite excellent, and the feeling of feet is good.

The invention discloses a novel railway vehicle roof framework. The novel railway vehicle roof framework comprises two mounting plates, connecting rods are fixed to the outer walls of the opposite sides of the two mounting plates through bolts, a same fixing plate is fixed between two connecting rods through bolts, sliding rails are fixed to the outer walls of the opposite sides of the two mounting plates through bolts, the inner walls of the two sliding rails are slidably connected to a first top plate and a second top plate correspondingly, mounting holes are formed in the outer walls of thetwo sides of the first top plate and the outer walls of the two sides of the second top plate, connecting mechanisms are arranged on the outer walls of the two sides of the first top plate and the outer walls of the two sides of the second top plate, supporting rods are welded to the fixing plates, and each connecting mechanism comprises a first connecting box and a second connecting box. The detachable connecting mechanism is installed between every two top plates, the two top plates are conveniently tensioned through adjusting bolts on the connecting mechanism, and the problem that a gap between the top plates is too large in the welding process is effectively solved.

The invention relates to a sterilization and virus-killing protective film which comprises the following components in parts by weight: 90-95 parts of polymer plastic, 15-20 parts of a polyhexamethylene biguanide compound disinfectant, and 1-5 parts of nano silver-copper alloy particles, wherein the pH value of the polyhexamethylene biguanide compound disinfectant is 7-8, the polyhexamethylene biguanide compound disinfectant comprises the following components: polyhexamethylene biguanide and didecyl dimethyl ammonium chloride, and the weight percentage ratio of the polyhexamethylene biguanideto the didecyl dimethyl ammonium chloride is 1:2; the particle size of the nano-silver copper alloy particles ranges from 15 nm to 50 nm, the nano-silver copper alloy comprises, by weight, 40%-80% ofsilver and 20%-60% of copper, and copper metal atoms on the outer surface of the nano-silver copper alloy form copper oxide. According to the invention, the sterilization and virus killing protectivefilm can kill living microorganisms such as bacteria, mould and viruses attached to the surface of the protective film, the killing rate reaches up to 99% or above, and the path of contact infection of the bacteria, mould and viruses through the protective film is blocked.