77results about How to "Simple and novel structure" patented technology

The invention relates to an acceleration transducer in the field of MEMS (Micro-Electro-Mechanical System) transducers, in particular to a piezoresistive monolithic integrated four-beam tri-axial accelerometer which is used for solving the problems of complicated structure, low sensitivity and large inter-axis coupling in the tradtional piezoresistive monolithic integrated tri-axial accelerometer. The accelerometer comprises four elastic cantilever beams, a mass block and a supporting frame, wherein four sides of the mass block are supported and suspended at the central position of the supporting frame through one elastic cantilever beam respectively, the lower surface of the supporting frame is bonded with a glass substrate through an electrostatic bonding technology, 16 piezoresistors with same resistance are symmetrically and uniformly distributed at two ends of each of the four elastic cantilever beams and are connected to form three Wheatstone bridges respectively to detect acceleration signals in three axes respectively. The accelerometer provided by the invention has the advantages of simple structure, high sensitivity, low inter-axis coupling, high reliability, low cost, easiness for integrated processing and wide application range.

The invention relates to a bipolar plate structure of a proton exchange membrane fuel cell, a fuel cell stack and a control method thereof, and belongs to the technical field of proton exchange membrane fuel cells. By use of an air cooling and liquid cooling integration bipolar plate, an auxiliary cooling system is simplified, and the uniformity of temperature distribution in the stack is improved; meanwhile, quick cold starting under a low temperature condition is easy to realize; by introduction of graphene into a bipolar plate material, the conductivity of the bipolar plate can be improved;a runner of a cathode plate flow field adopts a periodical gradual-change section, so that oxygen partial pressure on the surface of a three-phase reaction region can be increased; a porous gas diffusion layer has the gradient dewatering capacity in the gas flowing direction, so that the stability of the fuel cell stack is improved; a cathode reinforcing layer of a porous meshed structure is relatively high in intensity, relatively high in conductivity and excellent in corrosion resistance; the power and the stability of the stack are improved, and the service life of the stack is prolonged.

The invention discloses a manipulator driven by pneumatic brake cables and having human hand characteristics. The manipulator comprises five mechanical fingers, a palm, a limiting and driving device and a gas loop, and each mechanical finger sequentially an upper knuckle, a middle knuckle, a lower knuckle and a connecting member. A gas path control system comprises a gas source device, a cylinder, a pressure-regulating valve, an electromagnetic reversing valve and a gas pipe. The lower knuckles of the five mechanical fingers are installed in the mechanical palm in the same direction through respective connecting members, thin brake cables traverse the upper knuckles, the middle knuckles, the lower knuckles and the connecting members and are fixed on the upper knuckles, and the other ends of the brake cables traverse limiting parts and is connected with the cylinder to serve as the driving device. In dependence on pneumatic flexibility, a gas driving work process and a corresponding pneumatic loop of the manipulator are developed, and the grasping force of the manipulator is adjustable. The manipulator driven by the pneumatic brake cables and having human hand characteristics highly simulates grasping motions of a human hand, and can be applied to fields of bionic robots, rehabilitation robots, industrial robots and the like.

Provided are a color electrophoretic display and a method of manufacturing the same. The color electrophoretic display includes: a plurality of lower electrodes arranged on a lower layer and disposed with a predetermined interval therebetween; a plurality of first to third photoresist chambers arranged on the plurality of lower electrodes; first to third electronic inks accommodated in the plurality of first to third photoresist chambers respectively, and discriminatively operating to an electric field to independently display red, green, and blue colors; and a plurality of upper electrodes disposed with a predetermined interval therebetween and facing the plurality of lower electrodes with the plurality of first to third photoresist chambers being held therebetween.

The invention provides a shutter air guide type air purifier and belongs to the technical field of air purifiers. The shutter air guide type air purifier comprises a purifier shell provided with an air inlet and an air outlet, and an air purification device arranged in the shell, wherein a group of shutter blind sheets are arranged at the air outlet; the shutter blind sheets are connected with a main gear of a driving motor through a crank connecting rod mechanism; the structure of the crank connecting rod mechanism comprises a connecting rod with a rotary shaft and a rack; one group of U-shaped groove is formed in one end of the rack; and the rotary shaft of the connection rod forms a structure capable of floating up and down in the U-shaped groove through the horizontal motion of the rack. The shutter air guide type air purifier has a simple structure and is convenient to use; and a shutter capable of being opened and closed is automatically controlled to guide air and faults are not easy to cause.

An LED lamp includes a base, a reflector arranged on a top of the base, an LED module attached to the top of the base and surrounding the reflector, an envelope arranged on the top of the base and enclosing the LED module and the reflector, a shield secured on the envelope and covering the reflector and the LED module, and an inserting post fixed on a bottom of the base for facilitating inserting into a foundation to secure the LED lamp thereon. A bottom surface of the shield is coated with a reflecting coating for reflecting light emitted by the LED module.

The invention discloses fully-automatic magnetic ring chamfering-grinding equipment capable of carrying out dust removal on a magnetic ring. The fully-automatic magnetic ring chamfering-grinding equipment comprises a seat, a loading mechanism, a first grinding mechanism, an overturning mechanism, a second grinding mechanism and an unloading mechanism, wherein each of the first grinding mechanism and the second grinding mechanism comprises a chamfering head assembly and a push-out assembly, each chamfering head assembly comprises a main shaft motor, a main shaft support, a power head and a chamfering disc, each main shaft motor is connected with the corresponding chamfering disc through the corresponding power head, each chamfering disc is provided with two chamfering tool installation blocks, through holes are formed in each two chamfering tool installation blocks, each chamfering disc is provided with a cross hole, and each two chamfering tool installation blocks correspond to the inner rings and the outer rings of the magnetic ring in position separately, and fixed by virtue of screws; a limit block is arranged below each chamfering head assembly, and the section of each limit block is lower than the magnetic ring; and each push-out assembly comprises a push-out cylinder and a push-out block. The fully-automatic magnetic ring chamfering-grinding equipment has the following advantages and effects: chamfering-grinding can be carried out on the inner rings and the outer rings of the two end surfaces of the magnetic ring separately, the labor is much saved, and the productionefficiency is increased.

A ball arm switching shower has a fixed unit and a switching mechanism. The fixed unit is provided with multiple outlet functions, a assembling slot and a water inlet passage, each outlet function is provided with a water division hole. The switching mechanism comprises a connecting part, a handle, a switching plate, a transmission shaft and a sealing piece. The connecting part can be mounted in the assembling slot in a sliding and swinging manner. The handle is fixedly connected to the connecting part. The transmission shaft can fixedly connect to the connecting part and the switching plate, so that the switching plate can be driven to swing and slide through the movement of the handle.

The invention discloses a water-washing dust-cleaning horizontal type mesh cage dust removing machine, which mainly comprises a plurality of parts, i.e., a horizontal type rotary mesh cage, a sealed type dust accumulating chamber, an automatic water mist spraying device and a helix sewage disposal device, wherein the horizontal type rotary mesh cage is a filtering unit main body which can be composed of one to more mesh cages; the mesh cages are arranged in parallel inside the dust accumulating chamber; one or more layers of filtering cloth wrap on the mesh cages; and the mesh cages are driven to rotate slowly by a transmission device. The dusty gas is led into the sealed dust accumulating chamber by a fan or a draught pipe; and during the process that the dusty gas penetrates through the filtering cloth on the mesh cages and is discharged out from a discharge port, the dust is captured by the filtering cloth, while the clean air permeates through the filtering cloth and is discharged out from ports of the mesh cages. A V-shaped water tank is arranged at the lower part of the dust accumulating chamber; a water level of certain height is maintained; and the dust accumulated on the filtering cloth is washed when the mesh cages swashes with water while rotating backwards, so that the purpose of automatic dust cleaning is achieved.

The invention discloses full-automatic magnetic ring chamfering grinding equipment for continuously conveying the magnetic rings. The full-automatic magnetic ring chamfering grinding equipment comprises a base, a feeding mechanism, a first grinding mechanism, an overturning mechanism, a second grinding mechanism and a discharging mechanism, wherein the first grinding mechanism and the second grinding mechanism both comprise a chamfering head assembly and a pushing-out assembly, the chamfering head assembly comprises a main shaft motor, a main shaft support, a power head and a chamfering disc,the main shaft motor is connected with the chamfering disc through the power head, the chamfering disc is provided with two chamfering tool mounting blocks, through holes are formed in the two chamfering tool mounting blocks, a transverse hole is formed in the chamfering disc, the two chamfering tool mounting blocks are connected the positions of the inner ring and the outer ring of the magnetic ring correspond to each other respectively and are fixed by screws; a limiting block is arranged below the chamfering head assembly, the height of the cross section of the limiting block is lower thanthat of the magnetic ring; and the pushing-out assembly comprises a pushing-out air cylinder and a pushing-out block. The full-automatic magnetic ring chamfering grinding equipment has the following advantages and effects that the inner ring and the outer ring of the two end surfaces of the magnetic ring can be subjected to chamfering and grinding, labor is saved, and production efficiency is improved.

The present invention discloses a range hood capable of automatic cleaning, comprising an enclosure and a main engine, wherein the main engine is arranged in the enclosure and is separated from an inner cavity of the enclosure. The main engine comprises an air sucking cavity with a screen, a blowing cavity provided with a first impeller connected to and driven by an exhaust motor, and an exhaust cavity communicated with the blowing cavity and extending out of the enclosure. The air sucking cavity, the blowing cavity and the exhaust cavity are communicated and arranged in a cavity of the main engine in sequence, and the screen is provided with an automatic cleaning device. According to the present invention, oily dirt on the screen is scraped into an oil collecting slot by a scraper of the automatic cleaning device, sucked into the exhaust cavity by an oil sucking device, atomized and then exhausted, saving work of assembly and disassembly of the range hood for cleaning.

A plasma ignition kiln drying device for an anthracite kiln belongs to pulverized coal kilns. A primary air pulverized coal pipe, a base, and a primary thermal cracker are connected in series and communicated through a flange plate; a secondary thermal cracker is sleeved at the outer side part of the primary thermal cracker in a matching manner; a peripheral air pulverized coal pipeline is formed between the primary thermal cracker and the secondary thermal cracker; cyclone blades are assembled inside the peripheral air pulverized coal pipeline; structures taking the shapes of an external cone and an inner cone in the same direction respectively are arranged on the external surface of the tail end part and the internal surface of the tail side part of the primary thermal cracker; a structure taking the shape of an inner cone, matched with the external cone at the tail end part of the primary thermal cracker, is arranged on the inner wall surface of the secondary thermal cracker, so as to form an energy collection opening; and two plasma generators are assembled symmetrically on the base. The device has a novel, reasonable and simple structural design, is reliable to use, and has the advantages of strong adaptation to pulverized coal, high pulverized coal burn-up factor and excellent environment-friendly effect, and low production and operation costs.

The invention discloses a full-automatic magnetic ring chamfering grinding device. The grinding device comprises a base, a feeding mechanism, a first grinding mechanism, a turnover mechanism, a secondgrinding mechanism and a discharging mechanism, wherein both the first grinding mechanism and the second grinding mechanism comprise chamfering head assemblies and pushing-out assemblies, each chamfering head assembly comprises a main shaft motor, a main shaft support, a power head and a chamfering disc, the main shaft motor is connected with the chamfering disc through the power head, the chamfering disc is provided with two chamfering tool mounting blocks, through holes are formed in the two chamfering tool mounting blocks, a transverse hole is formed in the chamfering disc, the two chamfering tool mounting blocks are matched with the positions of the inner ring and the outer ring of the magnetic ring respectively and are fixed by screws, a limiting block is arranged below the chamfering head assembly, and the cross section height of the limiting block is lower than the magnetic ring; the push-out assembly comprises a push-out air cylinder and a push-out block which are used to pushout the magnetic ring. The device has the advantages and effects that the inner rings and the outer rings of the two end surfaces of the magnetic ring can be chamfering ground, the labor is saved, and the production efficiency is improved.

The invention discloses a universal digitized prostate biopsy bracket. The bracket includes a base, a fixed platform and a probe fixing pipe; rectal B-mode ultrasound probes different in diameter in aprobe rotating pipe can be fixed by adjusting a second bolt, basically fixation of different kinds of rectal B-mode ultrasound probes in the market can be achieved, and there is no need to cost millions to purchase new professional B-mode ultrasound equipment for a hospital. A movable platform is driven to move on the fixed platform by a screw rod, a prostate biopsy positioning metal strip is driven by rotating the probe rotating pipe, and the bracket is precise, specific and standard in quantitation. The whole process of inserting a needle can be directly observed from several sagittal sections, whole-course estimation of prostate biopsy is achieved, and prostate biopsy can be carried out on the sagittal sections. Meanwhile, prostate biopsy at different altitudes from the probe on the same sagittal section is achieved, or prostate biopsy is carried out at different depths while the needle is inserted at the same altitude; the requirement of carrying out prostate biopsy on any part ofthe prostate is met, and therefore the positive rate of prostate biopsy is ensured. The bracket is simple and novel in structure and capable of greatly improving the prostate biopsy efficiency.

The invention discloses a fuel gas inlet branch pipe sealing structure for a double-fuel engine. The fuel gas inlet branch pipe sealing structure for the double-fuel engine comprises a fuel gas inlet branch pipe and a fuel gas injection valve connected with one end of the fuel gas inlet branch pipe. The fuel gas inlet branch pipe is of a double-layer structure and comprises an inner pipe body and an outer pipe body, the end, connected with the fuel gas injection valve, of the inner pipe body extends out of the end face of the outer pipe body, and the extension end of the inner pipe body is provided with a protruding portion and an extending portion, wherein the protruding portion extends outwards in the radial direction, and the extending portion extends into the fuel gas injection valve in the length direction. A first end face O-shaped seal ring is arranged between the end face of the protruding portion and the end face of the fuel gas injection valve. The outer wall of the protruding portion is in abutting joint with the inner wall of the fuel gas injection valve, and a radial O-shaped seal ring is arranged between the outer wall of the protruding portion and the inner wall of the fuel gas injection valve. The fuel gas inlet branch pipe sealing structure for the double-fuel engine is simple and novel in structure and capable of guaranteeing reliable sealing of the connection portion between the fuel gas inlet branch pipe and the fuel gas injection valve and preventing fuel gas leakage, and improves the safety of the double-fuel engine.

A string of decorative pendant lamps for sunblind decoration is constructed of a plurality of transparent lamp bodies, each of which, after being electrically coupled with a sub-conductor, is suspended from a main conductor. The main conductor is provided with a plurality of hanging members. The transparent lamp body is formed by a molded part made from acrylic material which a LED is displaced in and integrally secured to by thermal plasticization. The transparent lamp body takes form of stereo multiple curved surfaces which can produce light refraction. In use, the string of decorative pendant lamps for sunblind decoration generates specialized lighting effects, because the LED illumination varies under the control of the lamplight controller, in addition to multiple light-refection, light-transmission natures resulting from the acrylic molded part.

The invention discloses a scaffold lifting system with a limit mechanism, which includes a lifting box. A track is arranged on the horizontal track bar; the intersection of adjacent two side walls of the lifting box is inwardly recessed to form a storage space, and a limit mechanism is installed in the storage space, and the limit mechanism is parallel to the horizontal track bar when it extends outward. The limit mechanism includes cylinder, connecting rod and pulley. With the above structure, the horizontal track bar and the track connecting bar are set on the base of the lifting box, which can be docked with the track bar of the scaffold, so that the rail car can drive from the lifting box to the scaffold, and transport the construction personnel or goods to the designated location. location, thereby greatly improving work efficiency and greatly reducing the risk of safety accidents.

The invention discloses a garden seedling cultivation and planting device. The device comprises a movable cultivation box, universal wheels are connected to the periphery of the bottom of the movablecultivation box, one side of the bottom in the movable cultivation box is provided with a first air outlet fan, and the upper end of the first air outlet fan is connected with a first air outlet pipe,and a plurality of air outlet holes are uniformly connected to the first air outlet pipe. A plurality of limiting screws are arranged, and when seedlings grow, the growth direction of the seedlings can be limited, and trunks of the seedlings are prevented from being inclined. A first humidity sensor and a second humidity sensor are arranged and can be used for detecting the humidity of soil in real time, and then nutrient solution moisture supplementation is carried out. Fans are arranged on the two sides of the bottom of the movable cultivation box, and palm fiber filter screens are arrangedon the two sides of a planting pot so that the soil of the planting pot can be ventilated, and root rotting of the seedlings is avoided. The device is simple and novel in structure and easy to operate, and the working efficiency of the garden seedling cultivation and planting device is greatly improved.

The object of the present invention is to provide a machine for blasting abrasives that has a simple structure and that solves the problem of abrasives falling when the door for the gateway for the work is opened or closed. The machine for blasting abrasives comprises a chamber 11 for processing, a nozzle 13 that is provided within the chamber 11 for shooting the abrasives (shots) S onto the work W, and a jig 15 for holding the work W at a position facing the nozzle 13. A gateway 17 with a door 19 is formed in the ceiling 11a of the chamber 11. The size of the gateway 17 enables the work W to protrude from the chamber 11 by means of the jig 15 at a position corresponding to the jig 15 that is linearly moving up and down. The door 19 is provided within the chamber 11 so as to seal the gateway by linearly moving up and down and so as to create a vacant plane on the gateway for passing the work by horizontally moving.

The invention discloses a table tennis ball cleaning device, relates to the field of ball cleaning, and provides the following scheme for solving the problems that table tennis balls are not thoroughly cleaned, shrunken table tennis balls cannot be recovered, use is affected, and materials are wasted, the table tennis ball cleaning device comprises a box body, and a water tank is installed at the top of the box body; a water pipe is fixedly connected to one side of the water tank, a driving motor is fixedly arranged on the inner wall of the bottom of the box body, an output shaft of the driving motor is fixedly connected with a rotating shaft, a stirring paddle is fixedly connected to the outer ring of the rotating shaft, a stirring rod is arranged above the stirring paddle, and a first bevel gear is fixedly arranged above the rotating shaft in a sleeving mode; and a second bevel gear is arranged above the first bevel gear. The table tennis ball cleaning device is simple and novel in structure, table tennis balls can be cleaned one by one and heated, the table tennis balls become round, the utilization rate is increased, the use hand feeling is improved, and the table tennis ball cleaning device is suitable for market popularization.

The invention discloses an adjustable crankshaft turning tool. The adjustable crankshaft turning tool includes a fixing seat, a fixing seat handle, two adjusting holes and at least one adjusting rod.The fixing seat handle is installed at the top center of the fixing seat. The two adjusting holes are separately opened on the top of the fixing seat and located on both sides of the fixing seat handle. The at least one adjusting rod is installed in the adjusting hole, the adjusting rod is provided with a limiting block at the bottom end of the adjusting hole, and an adjusting nut is sleeved on the adjusting rod at the top end of the adjusting hole. Therefore, the adjustable crankshaft turning tool disclosed by the invention can be applied to different models, and the work efficiency is improved.

A structure for the electronic board game has at least one luminous body with a light transmission element on the game board for emitting color light, which can be used by the CPU of microcomputer for recognizing the game player and calculating if it is a winner. It features that said light transmission element is sliding and can be pressed to press an induction switch for generating an electric signal, and said light transmission element and luminous body have respectively at least one press button close it.

The invention discloses a terahertz bandwidth band-pass filter based on an artificial electromagnetic material. The terahertz bandwidth band-pass filter comprises a first structuralized metal layer, a medium layer and a second structuralized metal layer. The medium layer is located between the first structuralized metal layer and the second structuralized metal layer; and the first structuralized metal layer and the second structuralized metal layer are composed of structuralized metal elementary units arranged periodically. Each structuralized metal elementary unit is a dual-row dual-line unit composed of two circular metal sheets as well as two square metal sheets with circular holes at the centers. Two completely equivalent structures at the diagonal positions respectively are the circular metal sheets and the square metal sheets with circular holes at the centers. The terahertz bandwidth band-pass filter has a simple and novel structure, is simple to manufacture, convenient to process and carry and easy to integrate and has unobvious polarization and broad application prospects in the fields such as communication field and imaging technologies.