96results about How to "Reduce the chance of disengagement" patented technology

The invention discloses a flexible MEMS resistance-reducing skin and a manufacturing method thereof used for reducing skin friction resistance during the advancing of on-water or underwater vehicles, which employs micro-fine resident bubbles to reduce resistance and belongs to the fields of micro-machinery and fluid dynamics. The upper surface of the skin is a surface layer coated with micro-pit arrays and processed by surface soakage; electrolytic anodes and cathodes of comb-shaped micro-fine planar metal, which are attached on an insulating layer, are arranged at the bottom of the micro-pits; a flexible substrate is positioned below the insulating layer; wire leading terminals for electrodes are arranged on the lower surface of the skin; and both the surface layer and the substrate are made by flexible materials. The overall thickness of the resistance reducing skin is at sub-millimeter level, and the skin is in the status of flexible film. The manufacturing method is an MEMS micro machining technique compatible with the flexible MEMS technology. The flexible MEMS resistance-reducing skin is coated on the outer surfaces of the on-water or underwater vehicles, with power thereof supplied by the on-water or under-water vehicles. Micro-bubbles stably residing in the micro-pits are formed by water electrolysis reaction to coat most parts of the surfaces of the on-water or under-water vehicles, thus realizing the function of reducing skin friction resistance.

The invention relates to the technical field of loudspeakers, and in particular relates to a miniature sounder and electronic equipment. The provided miniature sounder comprises a basin stand, a vibration system and a magnetic circuit system; the vibration system and the magnetic circuit system are fixedly connected to the basin stand; the vibration system comprises a voice diaphragm and a voice coil; the voice coil is fixed below the voice diaphragm, and used for driving the voice diaphragm to vibrate and produce sound; and the voice coil and the voice diaphragm are combined through injection moulding. The voice coil and the voice diaphragm of the miniature sounder provided by the invention are difficultly separated; and furthermore, the manufacturing process is relatively simple.

The invention provides a valve bag, belongs to the technical field of machinery, and solves the problem that conventional valve bags are prone to leakage during powder filling. The valve bag comprises a bag body with a bag opening and a valve port formed in the bag opening, wherein the valve port is tubular, and is formed through overlapping the two ends of a long flake-like connecting piece; the edge, near the end part of the bag body, of the valve port is bended outwards and in the axial direction of the valve port to form a first bending part; a second bending part with the orientation opposite to the first bending part is arranged at the bag opening of the bag body; a limiting groove is formed between the second bending part and the inner side wall of the bag body; the first bending part is positioned in the limiting groove; the second bending part leans against the first bending part, and is fixed to the first bending part through a bonding method; the second bending part and the bag body are an integral structure. The valve bag has the advantage that the leakproofness of the connection of the bag body and the valve port during the process of powder filling can be maintained.

The invention relates to a finger clip type glucometer with a light blocking function. The finger clip type glucometer comprises a body, a receiving device and a transmitting device. The transmittingdevice comprises a red light LED, an infrared light LED, a light blocking mechanism and a dust removing mechanism. The light blocking mechanism comprises a moving plate, a spring, an annular air bag,a control assembly and two inflation assemblies. The dust removing mechanism comprises a connecting rod, a connecting block and two cleaning rings. According to the finger clip type glucometer with the light blocking function, through the light blocking mechanism, the opening is blocked, external light is prevented from entering the main body and influencing the detection effect; through the dustremoving mechanism, dust removal work can be conducted on the red light LED and the infrared light LED, and the situation that dust adheres to the red light LED and the infrared light LED, and the detection effect is influenced is prevented.

The invention discloses a display panel and a preparation method thereof, the display panel comprises a first substrate and a second substrate which are oppositely arranged, the first substrate comprises a first surface deviating from the second substrate, the first surface is a display surface of the display panel, and the edge of the first surface is provided with a first bonding area; the second substrate comprises a second surface deviating from the first substrate, the edge of the second surface is provided with a second bonding area, and the same side areas of the second substrate and the first substrate are respectively provided with the second bonding area and the first bonding area; a conductive connecting piece comprises a first end, a middle area and a second end which are connected with one another in sequence, and the middle area is located on the side face, adjacent to the first bonding area and the second bonding area, of the first substrate and the second substrate and abuts against the first bonding area and the second bonding area; the first end extends from the middle area to the first bonding area and is electrically connected with the first bonding area; and the second end extends from the middle area to the second bonding area and is electrically connected with the second bonding area. In this way, an ultra-narrow frame can be achieved.

The invention relates to a plastic steel refractory window. The plastic steel refractory window comprises a window frame, a fan Frame and double layer refractory glass, wherein the fan frame is arranged in the window frame, the double layer refractory glass is arranged in the fan frame, the fan frame comprises a fixing frame I and a clamping frame used for clamping the double-layer refractory glass, the fixing frame I comprises a middle frame I, a connecting frame I and a connecting frame II, the connecting frame I and the connecting frame II are located on the two sides of the middle frame Ifacing an outdoor side edge, a supporting plate I is arranged between the clamping frame and the connecting frame I, the edge of the double layer refractory glass is clamped in a U-shaped opening of the supporting plate I, a plurality of middle frame heat insulation cavities are formed in the middle frame I, supporting plates II attached to the cavity wall are arranged in the middle frame heat insulation cavities, fire-resistant expansion strips are arranged in the middle frame heat insulation cavities which are not provided with the supporting plates II, a window frame heat insulation cavityI is formed in the window frame, and a supporting part I in a square tubular structure is arranged in the window frame heat insulation cavity. The plastic steel refractory window is good in fireproofperformance, and can have a certain blocking effect on smoke.

The invention discloses a numerical control machine tool facilitating separation and collection of waste residues. The numerical control machine tool comprises a machine body shell provided with a protection door through a slide groove; a waste residue separation mechanism is installed at the bottom of one side of the machine body shell; and a containing cavity is formed in the bottom end of the machine body shell and internally provided with a containing board. The numerical control machine tool is scientific and reasonable in structure and safe and convenient to use, the waste residues slideout from the surface of a discharging board through a bearing gauze element, cooling waste liquid falls down through the bearing gauze element and then is drained through a drain pipe, separation between the waste residues and the cooling waste liquid is achieved, and the situations of environmental pollution and drainage pipeline blocking caused when the cooling waste liquid and the waste residues are drained at the same time are avoided; and when the protection door moves, a mounting rod circularly swings, so that a cleaning brush installed on one side of the mounting rod cleans the surfaceof a piece of observation glass through a brush outlet, stained cooling water waste liquid on the inner side of the observation glass is cleaned away effectively, and the observation clarity of the observation glass is improved.

The modular furniture splicing fixture is characterized in that: it includes a plug-in board and a lock that cooperates with the plug-in board; the plug-in board has a main body; and the main body extends at least two Ribs; at least one lock hole is provided at the edge of each rib, and each lock hole is provided with a lock; the lock includes a cap that helps to twist the lock and a cap that prevents the lock from falling off The baffle of the flashboard is provided with lock teeth between the cap body and the baffle; the ribs are inserted between the cap body and the baffle, and the lock teeth only enter the lock hole through the lock with the smallest size, and screw The rear lock teeth of the cap body are displaced, and the lock buckle is fixed on the insert plate. The present invention is mainly applied to the splicing and fixing of modular furniture, and has the advantages of simple structure, convenient assembly and disassembly, reusability, high fixing strength, and stable fixing.

The invention relates to the technical field of glass production and discloses a glass bottle turning mechanism. The glass bottle turning mechanism comprises a grooved wheel and a rotary disk driven by a driving part. A locking disk matched with the grooved wheel is coaxially and fixedly mounted on the rotary disk. A cylindrical pin used for pushing the grooved wheel to rotate is arranged in the position, deviating from the circle center, of the rotary disk. The lower portion of the grooved wheel is rotatably connected with a supporting disk. The supporting disk is provided with a plurality ofnegative pressure holes in the circumferential direction. An enclosing disk rotatably connected with the supporting disk is arranged under the supporting disk. The enclosing disk is provided with anair hole communicating with the corresponding negative pressure hole. The air hole communicates with a negative pressure assembly. The periphery of the supporting disk is fixedly connected with a guide plate. The guide plate is provided with a feed port and a discharge port. The glass bottle turning mechanism is simple in structure and can carry out turning on glass bottles to adapt to turning transportation of the glass bottles.

The invention discloses a semiconductor chip packaging method. The method includes the steps: providing a chip, wherein the chip includes the front surface and the back surface, and the front surfaceof the chip is provided with a photosensitive area and bonding pads located around the photosensitive area, and the sides, backing on to the chip, of the bonding pads are provided with metal parts; forming a transparent protective layer on the front surface of the chip, wherein the transparent protective layer covers the photosensitive region of the chip and the metal parts, and the transparent protective layer is provided with openings corresponding to the positions of the metal parts, so as to enable the first ends, far from the bonding pads, of the metal parts to be exposed from the openings; electrically connecting the first ends of the metal parts and a circuit board through wires, so as to electrically connect the chip to the circuit board. Through the above manner, the method can improve the light sensing effect of the chip.

The invention relates to a cover board structure which comprises a cover board and a plurality of snapping components. The cover board is provided with an external surface and an internal surface. The snapping components are connected with the cover board, and furthermore each snapping component extends from the internal surface to the external surface. The invention further provides an electronic device with the cover board structure. According to the cover board structure, the cover board and a display module are assembled in a detachable manner, thereby improving convenience in assembling and maintenance of the electronic device.

The invention relates to a bridge crane with safer utilization and wider applicability. The bridge crane comprises a longitudinal main beam and a cross beam, wherein the cross section of the longitudinal main beam and the cross beam are in an I-shaped shape, the longitudinal main beam is fixedly assembled on a supporting carrier, and the cross beam is slidably assembled below the longitudinal main beam through a longitudinal traveling frame; the cross beam is provided with an extending beam, the extending beam is assembled below the cross beam in a sliding mode through transverse traveling frames, and the extending beam is provided with a lifting trolley used for lifting a lifting object; the longitudinal traveling frame and the transverse traveling frames respectively comprise a mounting frame, walking wheels, limiting wheels and a walking motor; and the limiting wheels slides along the extending direction of the length of a connecting wall plate in a rolling-contact manner, and the limiting wheels are used for limiting the mounting frames to shift along the width direction of s bottom plate. According to the bridge crane, through traveling and stretching operation of the extending beam, the bridge crane can expand the walking range of the lifting trolley in the extending direction of the cross beam by spanning supporting columns on a construction site, the separation probability of the traveling frames is effectively reduced, operation is safer, and the noise pollution is reduced.

The invention discloses a circuit board and a manufacturing method of the circuit board. The manufacturing method of the circuit board comprises the steps of forming an external insulating layer on a substrate, and forming a pre-gelatinized layer and a metal layer on the external insulating layer, wherein the pre-gelatinized layer is located between the metal layer and the external insulating layer, the metal layer is provided with a contact surface touching the pre-gelatinized layer, and the average roughness of 10 points of the contact surface is 1-4 microns; and then, forming at least one pore in the metal layer; forming a conductive layer covering the metal layer and all surfaces of the pore; forming a metal column in the pore after forming the conductive layer; forming a metal pattern layer touching and locally covering the conductive layer above the metal layer; and removing part of the metal layer and part of the conductive layer exposed by the metal pattern layer to form an external circuit layer. The invention further provides a circuit board manufactured by the method.

The invention relates to a computer with a power line reinforcing function. The device comprises a main body, power connectors, power interfaces and cables, the device further comprises a fixing mechanism and an emergency mechanism. The fixing mechanism comprises a connecting rod, a supporting rod, a reinforcing assembly, two fixing sleeves, two springs and two fixing rods. The emergency mechanismcomprises a sealing sleeve, a push rod, a torsion spring, an installation bearing, a telescopic column, a rotary disc, a first sliding groove, a second sliding groove and a sliding block. The reinforcing assembly comprises two supporting sleeves, two clamping plates and two hook-and-loop fasteners. The invention discloses a computer with a power line reinforcing function. The cable can be fixed through the fixing mechanism, the probability that the cable connector is separated from the cable interface is reduced, the working stability of a computer is improved, the cable connector and the cable interface can be disconnected through the emergency mechanism, the computer can be powered off in time in an emergency state, and the emergency protection function on the computer is achieved.

The invention relates to a bridge pier underwater surface attachment washing system and a robot with an improved structure, and belongs to the technical field of underwater operation robots. The underwater operation robot comprises a rack, a flexible crawler, a propeller, negative pressure cyclone adsorption devices and an operation system, wherein the flexible crawler is an annular rubber belt provided with a plurality of through holes; the negative pressure cyclone adsorption devices located in an inter-belt space of the flexible crawler are arranged in each side of the rack, and adsorptionopenings of the negative pressure cyclone adsorption devices are formed in the through holes in a penetrating mode to generate an adsorption force on the surface of an operation place; the two or morenegative pressure cyclone adsorption devices which are arranged at intervals are arranged in the inter-belt space on the same side; the two or more negative pressure cyclone adsorption devices are arranged at intervals in the extending direction; and in the traveling process, the one or above adsorption openings are always exist to completely be covered by the through holes. The robot is suitablefor operating the surface of a non-steel structure, and the robot can be widely applied to the fields such as bridge pier surface washing, and flaw detection.

The invention discloses a semiconductor packaging device, and the semiconductor packaging device comprises a chip which comprises a front surface and a back surface, wherein the front surface of the chip is provided with a photosensitive area and a plurality of bonding pads located around the photosensitive area, and the chip is provided with through holes which are corresponding to the positionsof the plurality of the bonding pads in a one-to-one manner; a transparent protective layer which is located on the front surface of the chip and covers the photosensitive of the chip and the plurality of bonding pads; and a circuit board which is electrically connected to the plurality of the bonding pads of the chip through the through holes. Through the above manner, the device can improve thelight sensing effect of the chip.